This commit is contained in:
zj
2026-03-13 22:42:57 +08:00
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_bkp.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/03/06
* Description : This file provides all the BKP firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_bkp.h"
#include "ch32v30x_rcc.h"
/* BKP registers bit mask */
/* OCTLR register bit mask */
#define OCTLR_CAL_MASK ((uint16_t)0xFF80)
#define OCTLR_MASK ((uint16_t)0xFC7F)
/*********************************************************************
* @fn BKP_DeInit
*
* @brief Deinitializes the BKP peripheral registers to their default reset values.
*
* @return none
*/
void BKP_DeInit(void)
{
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
}
/*********************************************************************
* @fn BKP_TamperPinLevelConfig
*
* @brief Configures the Tamper Pin active level.
*
* @param BKP_TamperPinLevel: specifies the Tamper Pin active level.
* BKP_TamperPinLevel_High - Tamper pin active on high level.
* BKP_TamperPinLevel_Low - Tamper pin active on low level.
*
* @return none
*/
void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel)
{
if(BKP_TamperPinLevel)
{
BKP->TPCTLR |= (1 << 1);
}
else
{
BKP->TPCTLR &= ~(1 << 1);
}
}
/*********************************************************************
* @fn BKP_TamperPinCmd
*
* @brief Enables or disables the Tamper Pin activation.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void BKP_TamperPinCmd(FunctionalState NewState)
{
if(NewState)
{
BKP->TPCTLR |= (1 << 0);
}
else
{
BKP->TPCTLR &= ~(1 << 0);
}
}
/*********************************************************************
* @fn BKP_ITConfig
*
* @brief Enables or disables the Tamper Pin Interrupt.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void BKP_ITConfig(FunctionalState NewState)
{
if(NewState)
{
BKP->TPCSR |= (1 << 2);
}
else
{
BKP->TPCSR &= ~(1 << 2);
}
}
/*********************************************************************
* @fn BKP_RTCOutputConfig
*
* @brief Select the RTC output source to output on the Tamper pin.
*
* @param BKP_RTCOutputSource - specifies the RTC output source.
* BKP_RTCOutputSource_None - no RTC output on the Tamper pin.
* BKP_RTCOutputSource_CalibClock - output the RTC clock with
* frequency divided by 64 on the Tamper pin.
* BKP_RTCOutputSource_Alarm - output the RTC Alarm pulse signal
* on the Tamper pin.
* BKP_RTCOutputSource_Second - output the RTC Second pulse
* signal on the Tamper pin.
*
* @return none
*/
void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource)
{
uint16_t tmpreg = 0;
tmpreg = BKP->OCTLR;
tmpreg &= OCTLR_MASK;
tmpreg |= BKP_RTCOutputSource;
BKP->OCTLR = tmpreg;
}
/*********************************************************************
* @fn BKP_SetRTCCalibrationValue
*
* @brief Sets RTC Clock Calibration value.
*
* @param CalibrationValue - specifies the RTC Clock Calibration value.
* This parameter must be a number between 0 and 0x7F.
*
* @return none
*/
void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue)
{
uint16_t tmpreg = 0;
tmpreg = BKP->OCTLR;
tmpreg &= OCTLR_CAL_MASK;
tmpreg |= CalibrationValue;
BKP->OCTLR = tmpreg;
}
/*********************************************************************
* @fn BKP_WriteBackupRegister
*
* @brief Writes user data to the specified Data Backup Register.
*
* @param BKP_DR - specifies the Data Backup Register.
* Data - data to write.
*
* @return none
*/
void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)BKP_BASE;
tmp += BKP_DR;
*(__IO uint32_t *)tmp = Data;
}
/*********************************************************************
* @fn BKP_ReadBackupRegister
*
* @brief Reads data from the specified Data Backup Register.
*
* @param BKP_DR - specifies the Data Backup Register.
* This parameter can be BKP_DRx where x=[1, 42].
*
* @return none
*/
uint16_t BKP_ReadBackupRegister(uint16_t BKP_DR)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)BKP_BASE;
tmp += BKP_DR;
return (*(__IO uint16_t *)tmp);
}
/*********************************************************************
* @fn BKP_GetFlagStatus
*
* @brief Checks whether the Tamper Pin Event flag is set or not.
*
* @return FlagStatus - SET or RESET.
*/
FlagStatus BKP_GetFlagStatus(void)
{
if(BKP->TPCSR & (1 << 8))
{
return SET;
}
else
{
return RESET;
}
}
/*********************************************************************
* @fn BKP_ClearFlag
*
* @brief Clears Tamper Pin Event pending flag.
*
* @return none
*/
void BKP_ClearFlag(void)
{
BKP->TPCSR |= BKP_CTE;
}
/*********************************************************************
* @fn BKP_GetITStatus
*
* @brief Checks whether the Tamper Pin Interrupt has occurred or not.
*
* @return ITStatus - SET or RESET.
*/
ITStatus BKP_GetITStatus(void)
{
if(BKP->TPCSR & (1 << 9))
{
return SET;
}
else
{
return RESET;
}
}
/*********************************************************************
* @fn BKP_ClearITPendingBit
*
* @brief Clears Tamper Pin Interrupt pending bit.
*
* @return none
*/
void BKP_ClearITPendingBit(void)
{
BKP->TPCSR |= BKP_CTI;
}
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_crc.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the CRC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_crc.h"
/*********************************************************************
* @fn CRC_ResetDR
*
* @brief Resets the CRC Data register (DR).
*
* @return none
*/
void CRC_ResetDR(void)
{
CRC->CTLR = CRC_CTLR_RESET;
}
/*********************************************************************
* @fn CRC_CalcCRC
*
* @brief Computes the 32-bit CRC of a given data word(32-bit).
*
* @param Data - data word(32-bit) to compute its CRC.
*
* @return 32-bit CRC.
*/
uint32_t CRC_CalcCRC(uint32_t Data)
{
CRC->DATAR = Data;
return (CRC->DATAR);
}
/*********************************************************************
* @fn CRC_CalcBlockCRC
*
* @brief Computes the 32-bit CRC of a given buffer of data word(32-bit).
*
* @param pBuffer - pointer to the buffer containing the data to be computed.
* BufferLength - length of the buffer to be computed.
*
* @return 32-bit CRC.
*/
uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength)
{
uint32_t index = 0;
for(index = 0; index < BufferLength; index++)
{
CRC->DATAR = pBuffer[index];
}
return (CRC->DATAR);
}
/*********************************************************************
* @fn CRC_GetCRC
*
* @brief Returns the current CRC value.
*
* @return 32-bit CRC.
*/
uint32_t CRC_GetCRC(void)
{
return (CRC->DATAR);
}
/*********************************************************************
* @fn CRC_SetIDRegister
*
* @brief Stores a 8-bit data in the Independent Data(ID) register.
*
* @param IDValue - 8-bit value to be stored in the ID register.
*
* @return none
*/
void CRC_SetIDRegister(uint8_t IDValue)
{
CRC->IDATAR = IDValue;
}
/*********************************************************************
* @fn CRC_GetIDRegister
*
* @brief Returns the 8-bit data stored in the Independent Data(ID) register.
*
* @return 8-bit value of the ID register.
*/
uint8_t CRC_GetIDRegister(void)
{
return (CRC->IDATAR);
}
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_dac.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the DAC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_dac.h"
#include "ch32v30x_rcc.h"
/* CTLR register Mask */
#define CTLR_CLEAR_MASK ((uint32_t)0x00000FFE)
/* DAC Dual Channels SWTR masks */
#define DUAL_SWTR_SET ((uint32_t)0x00000003)
#define DUAL_SWTR_RESET ((uint32_t)0xFFFFFFFC)
/* DHR registers offsets */
#define DHR12R1_OFFSET ((uint32_t)0x00000008)
#define DHR12R2_OFFSET ((uint32_t)0x00000014)
#define DHR12RD_OFFSET ((uint32_t)0x00000020)
/* DOR register offset */
#define DOR_OFFSET ((uint32_t)0x0000002C)
/*********************************************************************
* @fn DAC_DeInit
*
* @brief Deinitializes the DAC peripheral registers to their default reset values.
*
* @return none
*/
void DAC_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
}
/*********************************************************************
* @fn DAC_Init
*
* @brief Initializes the DAC peripheral according to the specified parameters in
* the DAC_InitStruct.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
* DAC_InitStruct - pointer to a DAC_InitTypeDef structure.
*
* @return none
*/
void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef *DAC_InitStruct)
{
uint32_t tmpreg1 = 0, tmpreg2 = 0;
tmpreg1 = DAC->CTLR;
tmpreg1 &= ~(CTLR_CLEAR_MASK << DAC_Channel);
tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | DAC_InitStruct->DAC_OutputBuffer);
tmpreg1 |= tmpreg2 << DAC_Channel;
DAC->CTLR = tmpreg1;
}
/*********************************************************************
* @fn DAC_StructInit
*
* @brief Fills each DAC_InitStruct member with its default value.
*
* @param DAC_InitStruct - pointer to a DAC_InitTypeDef structure which will be initialized.
*
* @return none
*/
void DAC_StructInit(DAC_InitTypeDef *DAC_InitStruct)
{
DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
}
/*********************************************************************
* @fn DAC_Cmd
*
* @brief Enables or disables the specified DAC channel.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
* NewState - new state of the DAC channel(ENABLE or DISABLE).
*
* @return none
*/
void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DAC->CTLR |= (DAC_EN1 << DAC_Channel);
}
else
{
DAC->CTLR &= ~(DAC_EN1 << DAC_Channel);
}
}
/*********************************************************************
* @fn DAC_DMACmd
*
* @brief Enables or disables the specified DAC channel DMA request.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
* NewState - new state of the DAC channel(ENABLE or DISABLE).
*
* @return none
*/
void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DAC->CTLR |= (DAC_DMAEN1 << DAC_Channel);
}
else
{
DAC->CTLR &= ~(DAC_DMAEN1 << DAC_Channel);
}
}
/*********************************************************************
* @fn DAC_SoftwareTriggerCmd
*
* @brief Enables or disables the selected DAC channel software trigger.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
* NewState - new state of the DAC channel(ENABLE or DISABLE).
*
* @return none
*/
void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DAC->SWTR |= (uint32_t)DAC_SWTRIG1 << (DAC_Channel >> 4);
}
else
{
DAC->SWTR &= ~((uint32_t)DAC_SWTRIG1 << (DAC_Channel >> 4));
}
}
/*********************************************************************
* @fn DAC_DualSoftwareTriggerCmd
*
* @brief Enables or disables the two DAC channel software trigger.
*
* @param NewState - new state of the DAC channel(ENABLE or DISABLE).
*
* @return none
*/
void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
{
if(NewState != DISABLE)
{
DAC->SWTR |= DUAL_SWTR_SET;
}
else
{
DAC->SWTR &= DUAL_SWTR_RESET;
}
}
/*********************************************************************
* @fn DAC_WaveGenerationCmd
*
* @brief Enables or disables the selected DAC channel wave generation.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
* DAC_Wave - Specifies the wave type to enable or disable.
* DAC_Wave_Noise - noise wave generation
* DAC_Wave_Triangle - triangle wave generation
* NewState - new state of the DAC channel(ENABLE or DISABLE).
*
* @return none
*/
void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DAC->CTLR |= DAC_Wave << DAC_Channel;
}
else
{
DAC->CTLR &= ~(DAC_Wave << DAC_Channel);
}
}
/*********************************************************************
* @fn DAC_SetChannel1Data
*
* @brief Set the specified data holding register value for DAC channel1.
*
* @param DAC_Align - Specifies the data alignment for DAC channel1.
* DAC_Align_8b_R - 8bit right data alignment selected
* DAC_Align_12b_L - 12bit left data alignment selected
* DAC_Align_12b_R - 12bit right data alignment selected
* Data - Data to be loaded in the selected data holding register.
*
* @return none
*/
void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)DAC_BASE;
tmp += DHR12R1_OFFSET + DAC_Align;
*(__IO uint32_t *)tmp = Data;
}
/*********************************************************************
* @fn DAC_SetChannel2Data
*
* @brief Set the specified data holding register value for DAC channel2.
*
* @param DAC_Align - Specifies the data alignment for DAC channel1.
* DAC_Align_8b_R - 8bit right data alignment selected
* DAC_Align_12b_L - 12bit left data alignment selected
* DAC_Align_12b_R - 12bit right data alignment selected
* Data - Data to be loaded in the selected data holding register.
*
* @return none
*/
void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)DAC_BASE;
tmp += DHR12R2_OFFSET + DAC_Align;
*(__IO uint32_t *)tmp = Data;
}
/*********************************************************************
* @fn DAC_SetDualChannelData
*
* @brief Set the specified data holding register value for two DAC.
*
* @param DAC_Align - Specifies the data alignment for DAC channel1.
* DAC_Align_8b_R - 8bit right data alignment selected
* DAC_Align_12b_L - 12bit left data alignment selected
* DAC_Align_12b_R - 12bit right data alignment selected
* Data - Data to be loaded in the selected data holding register.
* Data1 - Data for DAC Channel1.
* Data2 - Data for DAC Channel2
*
* @return none
*/
void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
{
uint32_t data = 0, tmp = 0;
if(DAC_Align == DAC_Align_8b_R)
{
data = ((uint32_t)Data2 << 8) | Data1;
}
else
{
data = ((uint32_t)Data2 << 16) | Data1;
}
tmp = (uint32_t)DAC_BASE;
tmp += DHR12RD_OFFSET + DAC_Align;
*(__IO uint32_t *)tmp = data;
}
/*********************************************************************
* @fn DAC_GetDataOutputValue
*
* @brief Returns the last data output value of the selected DAC channel.
*
* @param DAC_Channel - the selected DAC channel.
* DAC_Channel_1 - DAC Channel1 selected
* DAC_Channel_2 - DAC Channel2 selected
*
* @return none
*/
uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)DAC_BASE;
tmp += DOR_OFFSET + ((uint32_t)DAC_Channel >> 2);
return (uint16_t)(*(__IO uint32_t *)tmp);
}
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_dbgmcu.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/05/28
* Description : This file provides all the DBGMCU firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_dbgmcu.h"
#define IDCODE_DEVID_MASK ((uint32_t)0x0000FFFF)
/*********************************************************************
* @fn DBGMCU_GetREVID
*
* @brief Returns the device revision identifier.
*
* @return Revision identifier.
*/
uint32_t DBGMCU_GetREVID(void)
{
return ((*(uint32_t *)0x1FFFF704) & IDCODE_DEVID_MASK);
}
/*********************************************************************
* @fn DBGMCU_GetDEVID
*
* @brief Returns the device identifier.
*
* @return Device identifier.
*/
uint32_t DBGMCU_GetDEVID(void)
{
return ((*(uint32_t *)0x1FFFF704) >> 16);
}
/*********************************************************************
* @fn __get_DEBUG_CR
*
* @brief Return the DEBUGE Control Register
*
* @return DEBUGE Control value
*/
uint32_t __get_DEBUG_CR(void)
{
uint32_t result;
__asm volatile("csrr %0,""0x7C0" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_DEBUG_CR
*
* @brief Set the DEBUGE Control Register
*
* @param value - set DEBUGE Control value
*
* @return none
*/
void __set_DEBUG_CR(uint32_t value)
{
__asm volatile("csrw 0x7C0, %0" : : "r"(value));
}
/*********************************************************************
* @fn DBGMCU_Config
*
* @brief Configures the specified peripheral and low power mode behavior
* when the MCU under Debug mode.
*
* @param DBGMCU_Periph - specifies the peripheral and low power mode.
* DBGMCU_IWDG_STOP - Debug IWDG stopped when Core is halted
* DBGMCU_WWDG_STOP - Debug WWDG stopped when Core is halted
* DBGMCU_TIM1_STOP - TIM1 counter stopped when Core is halted
* DBGMCU_TIM2_STOP - TIM2 counter stopped when Core is halted
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
uint32_t val;
if(NewState != DISABLE)
{
__set_DEBUG_CR(DBGMCU_Periph);
}
else
{
val = __get_DEBUG_CR();
val &= ~(uint32_t)DBGMCU_Periph;
__set_DEBUG_CR(val);
}
}
/*********************************************************************
* @fn DBGMCU_GetCHIPID
*
* @brief Returns the CHIP identifier.
*
* @return Device identifier.
* ChipID List-
* CH32V303CBT6-0x303305x4
* CH32V303RBT6-0x303205x4
* CH32V303RCT6-0x303105x4
* CH32V303VCT6-0x303005x4
* CH32V305FBP6-0x305205x8
* CH32V305RBT6-0x305005x8
* CH32V305GBU6-0x305B05x8
* CH32V305CCT6-0x305C05x8
* CH32V307WCU6-0x307305x8
* CH32V307FBP6-0x307205x8
* CH32V307RCT6-0x307105x8
* CH32V307VCT6-0x307005x8
* CH32V317VCT6-0x3170B5X8
* CH32V317WCU6-0x3173B5X8
* CH32V317TCU6-0x3175B5X8
*/
uint32_t DBGMCU_GetCHIPID( void )
{
return( *( uint32_t * )0x1FFFF704 );
}
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_dma.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the DMA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_dma.h"
#include "ch32v30x_rcc.h"
/* DMA1 Channelx interrupt pending bit masks */
#define DMA1_Channel1_IT_Mask ((uint32_t)(DMA_GIF1 | DMA_TCIF1 | DMA_HTIF1 | DMA_TEIF1))
#define DMA1_Channel2_IT_Mask ((uint32_t)(DMA_GIF2 | DMA_TCIF2 | DMA_HTIF2 | DMA_TEIF2))
#define DMA1_Channel3_IT_Mask ((uint32_t)(DMA_GIF3 | DMA_TCIF3 | DMA_HTIF3 | DMA_TEIF3))
#define DMA1_Channel4_IT_Mask ((uint32_t)(DMA_GIF4 | DMA_TCIF4 | DMA_HTIF4 | DMA_TEIF4))
#define DMA1_Channel5_IT_Mask ((uint32_t)(DMA_GIF5 | DMA_TCIF5 | DMA_HTIF5 | DMA_TEIF5))
#define DMA1_Channel6_IT_Mask ((uint32_t)(DMA_GIF6 | DMA_TCIF6 | DMA_HTIF6 | DMA_TEIF6))
#define DMA1_Channel7_IT_Mask ((uint32_t)(DMA_GIF7 | DMA_TCIF7 | DMA_HTIF7 | DMA_TEIF7))
/* DMA2 Channelx interrupt pending bit masks */
#define DMA2_Channel1_IT_Mask ((uint32_t)(DMA_GIF1 | DMA_TCIF1 | DMA_HTIF1 | DMA_TEIF1))
#define DMA2_Channel2_IT_Mask ((uint32_t)(DMA_GIF2 | DMA_TCIF2 | DMA_HTIF2 | DMA_TEIF2))
#define DMA2_Channel3_IT_Mask ((uint32_t)(DMA_GIF3 | DMA_TCIF3 | DMA_HTIF3 | DMA_TEIF3))
#define DMA2_Channel4_IT_Mask ((uint32_t)(DMA_GIF4 | DMA_TCIF4 | DMA_HTIF4 | DMA_TEIF4))
#define DMA2_Channel5_IT_Mask ((uint32_t)(DMA_GIF5 | DMA_TCIF5 | DMA_HTIF5 | DMA_TEIF5))
#define DMA2_Channel6_IT_Mask ((uint32_t)(DMA_GIF6 | DMA_TCIF6 | DMA_HTIF6 | DMA_TEIF6))
#define DMA2_Channel7_IT_Mask ((uint32_t)(DMA_GIF7 | DMA_TCIF7 | DMA_HTIF7 | DMA_TEIF7))
#define DMA2_Channel8_IT_Mask ((uint32_t)(DMA_GIF8 | DMA_TCIF8 | DMA_HTIF8 | DMA_TEIF8))
#define DMA2_Channel9_IT_Mask ((uint32_t)(DMA_GIF9 | DMA_TCIF9 | DMA_HTIF9 | DMA_TEIF9))
#define DMA2_Channel10_IT_Mask ((uint32_t)(DMA_GIF10 | DMA_TCIF10 | DMA_HTIF10 | DMA_TEIF10))
#define DMA2_Channel11_IT_Mask ((uint32_t)(DMA_GIF11 | DMA_TCIF11 | DMA_HTIF11 | DMA_TEIF11))
/* DMA2 FLAG mask */
#define FLAG_Mask ((uint32_t)0x10000000)
#define DMA2_EXTEN_FLAG_Mask ((uint32_t)0x20000000)
/* DMA registers Masks */
#define CFGR_CLEAR_Mask ((uint32_t)0xFFFF800F)
/*********************************************************************
* @fn DMA_DeInit
*
* @brief Deinitializes the DMAy Channelx registers to their default
* reset values.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
*
* @return none
*/
void DMA_DeInit(DMA_Channel_TypeDef *DMAy_Channelx)
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
DMAy_Channelx->CFGR = 0;
DMAy_Channelx->CNTR = 0;
DMAy_Channelx->PADDR = 0;
DMAy_Channelx->MADDR = 0;
if(DMAy_Channelx == DMA1_Channel1)
{
DMA1->INTFCR |= DMA1_Channel1_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel2)
{
DMA1->INTFCR |= DMA1_Channel2_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel3)
{
DMA1->INTFCR |= DMA1_Channel3_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel4)
{
DMA1->INTFCR |= DMA1_Channel4_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel5)
{
DMA1->INTFCR |= DMA1_Channel5_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel6)
{
DMA1->INTFCR |= DMA1_Channel6_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel7)
{
DMA1->INTFCR |= DMA1_Channel7_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel1)
{
DMA2->INTFCR |= DMA2_Channel1_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel2)
{
DMA2->INTFCR |= DMA2_Channel2_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel3)
{
DMA2->INTFCR |= DMA2_Channel3_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel4)
{
DMA2->INTFCR |= DMA2_Channel4_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel5)
{
DMA2->INTFCR |= DMA2_Channel5_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel6)
{
DMA2->INTFCR |= DMA2_Channel6_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel7)
{
DMA2->INTFCR |= DMA2_Channel7_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel8)
{
DMA2_EXTEN->INTFCR |= DMA2_Channel8_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel9)
{
DMA2_EXTEN->INTFCR |= DMA2_Channel9_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel10)
{
DMA2_EXTEN->INTFCR |= DMA2_Channel10_IT_Mask;
}
else if(DMAy_Channelx == DMA2_Channel11)
{
DMA2_EXTEN->INTFCR |= DMA2_Channel11_IT_Mask;
}
}
/*********************************************************************
* @fn DMA_Init
*
* @brief Initializes the DMAy Channelx according to the specified
* parameters in the DMA_InitStruct.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_Init(DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct)
{
uint32_t tmpreg = 0;
tmpreg = DMAy_Channelx->CFGR;
tmpreg &= CFGR_CLEAR_Mask;
tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
DMAy_Channelx->CFGR = tmpreg;
DMAy_Channelx->CNTR = DMA_InitStruct->DMA_BufferSize;
DMAy_Channelx->PADDR = DMA_InitStruct->DMA_PeripheralBaseAddr;
DMAy_Channelx->MADDR = DMA_InitStruct->DMA_MemoryBaseAddr;
}
/*********************************************************************
* @fn DMA_StructInit
*
* @brief Fills each DMA_InitStruct member with its default value.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_StructInit(DMA_InitTypeDef *DMA_InitStruct)
{
DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
DMA_InitStruct->DMA_MemoryBaseAddr = 0;
DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStruct->DMA_BufferSize = 0;
DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
}
/*********************************************************************
* @fn DMA_Cmd
*
* @brief Enables or disables the specified DMAy Channelx.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_Cmd(DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_CFGR1_EN;
}
else
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
}
}
/*********************************************************************
* @fn DMA_ITConfig
*
* @brief Enables or disables the specified DMAy Channelx interrupts.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
* DMA_IT - specifies the DMA interrupts sources to be enabled
* or disabled.
* DMA_IT_TC - Transfer complete interrupt mask
* DMA_IT_HT - Half transfer interrupt mask
* DMA_IT_TE - Transfer error interrupt mask
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_ITConfig(DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_IT;
}
else
{
DMAy_Channelx->CFGR &= ~DMA_IT;
}
}
/*********************************************************************
* @fn DMA_SetCurrDataCounter
*
* @brief Sets the number of data units in the current DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
* DataNumber - The number of data units in the current DMAy Channelx
* transfer.
*
* @return none
*/
void DMA_SetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber)
{
DMAy_Channelx->CNTR = DataNumber;
}
/*********************************************************************
* @fn DMA_GetCurrDataCounter
*
* @brief Returns the number of remaining data units in the current
* DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 or 2 to select the DMA and x can be
* 1 to 7 for DMA1 and 1 to 11 for DMA2 to select the DMA Channel.
*
* @return DataNumber - The number of remaining data units in the current
* DMAy Channelx transfer.
*/
uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx)
{
return ((uint16_t)(DMAy_Channelx->CNTR));
}
/*********************************************************************
* @fn DMA_GetFlagStatus
*
* @brief Checks whether the specified DMAy Channelx flag is set or not.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
* DMA2_FLAG_GL1 - DMA2 Channel1 global flag.
* DMA2_FLAG_TC1 - DMA2 Channel1 transfer complete flag.
* DMA2_FLAG_HT1 - DMA2 Channel1 half transfer flag.
* DMA2_FLAG_TE1 - DMA2 Channel1 transfer error flag.
* DMA2_FLAG_GL2 - DMA2 Channel2 global flag.
* DMA2_FLAG_TC2 - DMA2 Channel2 transfer complete flag.
* DMA2_FLAG_HT2 - DMA2 Channel2 half transfer flag.
* DMA2_FLAG_TE2 - DMA2 Channel2 transfer error flag.
* DMA2_FLAG_GL3 - DMA2 Channel3 global flag.
* DMA2_FLAG_TC3 - DMA2 Channel3 transfer complete flag.
* DMA2_FLAG_HT3 - DMA2 Channel3 half transfer flag.
* DMA2_FLAG_TE3 - DMA2 Channel3 transfer error flag.
* DMA2_FLAG_GL4 - DMA2 Channel4 global flag.
* DMA2_FLAG_TC4 - DMA2 Channel4 transfer complete flag.
* DMA2_FLAG_HT4 - DMA2 Channel4 half transfer flag.
* DMA2_FLAG_TE4 - DMA2 Channel4 transfer error flag.
* DMA2_FLAG_GL5 - DMA2 Channel5 global flag.
* DMA2_FLAG_TC5 - DMA2 Channel5 transfer complete flag.
* DMA2_FLAG_HT5 - DMA2 Channel5 half transfer flag.
* DMA2_FLAG_TE5 - DMA2 Channel5 transfer error flag.
* DMA2_FLAG_GL6 - DMA2 Channel6 global flag.
* DMA2_FLAG_TC6 - DMA2 Channel6 transfer complete flag.
* DMA2_FLAG_HT6 - DMA2 Channel6 half transfer flag.
* DMA2_FLAG_TE6 - DMA2 Channel6 transfer error flag.
* DMA2_FLAG_GL7 - DMA2 Channel7 global flag.
* DMA2_FLAG_TC7 - DMA2 Channel7 transfer complete flag.
* DMA2_FLAG_HT7 - DMA2 Channel7 half transfer flag.
* DMA2_FLAG_TE7 - DMA2 Channel7 transfer error flag.
* DMA2_FLAG_GL8 - DMA2 Channel8 global flag.
* DMA2_FLAG_TC8 - DMA2 Channel8 transfer complete flag.
* DMA2_FLAG_HT8 - DMA2 Channel8 half transfer flag.
* DMA2_FLAG_TE8 - DMA2 Channel8 transfer error flag.
* DMA2_FLAG_GL9 - DMA2 Channel9 global flag.
* DMA2_FLAG_TC9 - DMA2 Channel9 transfer complete flag.
* DMA2_FLAG_HT9 - DMA2 Channel9 half transfer flag.
* DMA2_FLAG_TE9 - DMA2 Channel9 transfer error flag.
* DMA2_FLAG_GL10 - DMA2 Channel10 global flag.
* DMA2_FLAG_TC10 - DMA2 Channel10 transfer complete flag.
* DMA2_FLAG_HT10 - DMA2 Channel10 half transfer flag.
* DMA2_FLAG_TE10 - DMA2 Channel10 transfer error flag.
* DMA2_FLAG_GL11 - DMA2 Channel11 global flag.
* DMA2_FLAG_TC11 - DMA2 Channel11 transfer complete flag.
* DMA2_FLAG_HT11 - DMA2 Channel11 half transfer flag.
* DMA2_FLAG_TE11 - DMA2 Channel11 transfer error flag.
*
* @return The new state of DMAy_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpreg = 0;
if((DMAy_FLAG & FLAG_Mask) == FLAG_Mask)
{
tmpreg = DMA2->INTFR;
}
else if((DMAy_FLAG & DMA2_EXTEN_FLAG_Mask) == DMA2_EXTEN_FLAG_Mask)
{
tmpreg = DMA2_EXTEN->INTFR;
}
else
{
tmpreg = DMA1->INTFR;
}
if((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearFlag
*
* @brief Clears the DMAy Channelx's pending flags.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
* DMA2_FLAG_GL1 - DMA2 Channel1 global flag.
* DMA2_FLAG_TC1 - DMA2 Channel1 transfer complete flag.
* DMA2_FLAG_HT1 - DMA2 Channel1 half transfer flag.
* DMA2_FLAG_TE1 - DMA2 Channel1 transfer error flag.
* DMA2_FLAG_GL2 - DMA2 Channel2 global flag.
* DMA2_FLAG_TC2 - DMA2 Channel2 transfer complete flag.
* DMA2_FLAG_HT2 - DMA2 Channel2 half transfer flag.
* DMA2_FLAG_TE2 - DMA2 Channel2 transfer error flag.
* DMA2_FLAG_GL3 - DMA2 Channel3 global flag.
* DMA2_FLAG_TC3 - DMA2 Channel3 transfer complete flag.
* DMA2_FLAG_HT3 - DMA2 Channel3 half transfer flag.
* DMA2_FLAG_TE3 - DMA2 Channel3 transfer error flag.
* DMA2_FLAG_GL4 - DMA2 Channel4 global flag.
* DMA2_FLAG_TC4 - DMA2 Channel4 transfer complete flag.
* DMA2_FLAG_HT4 - DMA2 Channel4 half transfer flag.
* DMA2_FLAG_TE4 - DMA2 Channel4 transfer error flag.
* DMA2_FLAG_GL5 - DMA2 Channel5 global flag.
* DMA2_FLAG_TC5 - DMA2 Channel5 transfer complete flag.
* DMA2_FLAG_HT5 - DMA2 Channel5 half transfer flag.
* DMA2_FLAG_TE5 - DMA2 Channel5 transfer error flag.
* DMA2_FLAG_GL6 - DMA2 Channel6 global flag.
* DMA2_FLAG_TC6 - DMA2 Channel6 transfer complete flag.
* DMA2_FLAG_HT6 - DMA2 Channel6 half transfer flag.
* DMA2_FLAG_TE6 - DMA2 Channel6 transfer error flag.
* DMA2_FLAG_GL7 - DMA2 Channel7 global flag.
* DMA2_FLAG_TC7 - DMA2 Channel7 transfer complete flag.
* DMA2_FLAG_HT7 - DMA2 Channel7 half transfer flag.
* DMA2_FLAG_TE7 - DMA2 Channel7 transfer error flag.
* DMA2_FLAG_GL8 - DMA2 Channel8 global flag.
* DMA2_FLAG_TC8 - DMA2 Channel8 transfer complete flag.
* DMA2_FLAG_HT8 - DMA2 Channel8 half transfer flag.
* DMA2_FLAG_TE8 - DMA2 Channel8 transfer error flag.
* DMA2_FLAG_GL9 - DMA2 Channel9 global flag.
* DMA2_FLAG_TC9 - DMA2 Channel9 transfer complete flag.
* DMA2_FLAG_HT9 - DMA2 Channel9 half transfer flag.
* DMA2_FLAG_TE9 - DMA2 Channel9 transfer error flag.
* DMA2_FLAG_GL10 - DMA2 Channel10 global flag.
* DMA2_FLAG_TC10 - DMA2 Channel10 transfer complete flag.
* DMA2_FLAG_HT10 - DMA2 Channel10 half transfer flag.
* DMA2_FLAG_TE10 - DMA2 Channel10 transfer error flag.
* DMA2_FLAG_GL11 - DMA2 Channel11 global flag.
* DMA2_FLAG_TC11 - DMA2 Channel11 transfer complete flag.
* DMA2_FLAG_HT11 - DMA2 Channel11 half transfer flag.
* DMA2_FLAG_TE11 - DMA2 Channel11 transfer error flag.
*
* @return none
*/
void DMA_ClearFlag(uint32_t DMAy_FLAG)
{
if((DMAy_FLAG & FLAG_Mask) == FLAG_Mask)
{
DMA2->INTFCR = DMAy_FLAG;
}
else if((DMAy_FLAG & DMA2_EXTEN_FLAG_Mask) == DMA2_EXTEN_FLAG_Mask)
{
DMA2_EXTEN->INTFCR = DMAy_FLAG;
}
else
{
DMA1->INTFCR = DMAy_FLAG;
}
}
/*********************************************************************
* @fn DMA_GetITStatus
*
* @brief Checks whether the specified DMAy Channelx interrupt has
* occurred or not.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
* DMA2_IT_GL1 - DMA2 Channel1 global flag.
* DMA2_IT_TC1 - DMA2 Channel1 transfer complete flag.
* DMA2_IT_HT1 - DMA2 Channel1 half transfer flag.
* DMA2_IT_TE1 - DMA2 Channel1 transfer error flag.
* DMA2_IT_GL2 - DMA2 Channel2 global flag.
* DMA2_IT_TC2 - DMA2 Channel2 transfer complete flag.
* DMA2_IT_HT2 - DMA2 Channel2 half transfer flag.
* DMA2_IT_TE2 - DMA2 Channel2 transfer error flag.
* DMA2_IT_GL3 - DMA2 Channel3 global flag.
* DMA2_IT_TC3 - DMA2 Channel3 transfer complete flag.
* DMA2_IT_HT3 - DMA2 Channel3 half transfer flag.
* DMA2_IT_TE3 - DMA2 Channel3 transfer error flag.
* DMA2_IT_GL4 - DMA2 Channel4 global flag.
* DMA2_IT_TC4 - DMA2 Channel4 transfer complete flag.
* DMA2_IT_HT4 - DMA2 Channel4 half transfer flag.
* DMA2_IT_TE4 - DMA2 Channel4 transfer error flag.
* DMA2_IT_GL5 - DMA2 Channel5 global flag.
* DMA2_IT_TC5 - DMA2 Channel5 transfer complete flag.
* DMA2_IT_HT5 - DMA2 Channel5 half transfer flag.
* DMA2_IT_TE5 - DMA2 Channel5 transfer error flag.
* DMA2_IT_GL6 - DMA2 Channel6 global flag.
* DMA2_IT_TC6 - DMA2 Channel6 transfer complete flag.
* DMA2_IT_HT6 - DMA2 Channel6 half transfer flag.
* DMA2_IT_TE6 - DMA2 Channel6 transfer error flag.
* DMA2_IT_GL7 - DMA2 Channel7 global flag.
* DMA2_IT_TC7 - DMA2 Channel7 transfer complete flag.
* DMA2_IT_HT7 - DMA2 Channel7 half transfer flag.
* DMA2_IT_TE7 - DMA2 Channel7 transfer error flag.
* DMA2_IT_GL8 - DMA2 Channel8 global flag.
* DMA2_IT_TC8 - DMA2 Channel8 transfer complete flag.
* DMA2_IT_HT8 - DMA2 Channel8 half transfer flag.
* DMA2_IT_TE8 - DMA2 Channel8 transfer error flag.
* DMA2_IT_GL9 - DMA2 Channel9 global flag.
* DMA2_IT_TC9 - DMA2 Channel9 transfer complete flag.
* DMA2_IT_HT9 - DMA2 Channel9 half transfer flag.
* DMA2_IT_TE9 - DMA2 Channel9 transfer error flag.
* DMA2_IT_GL10 - DMA2 Channel10 global flag.
* DMA2_IT_TC10 - DMA2 Channel10 transfer complete flag.
* DMA2_IT_HT10 - DMA2 Channel10 half transfer flag.
* DMA2_IT_TE10 - DMA2 Channel10 transfer error flag.
* DMA2_IT_GL11 - DMA2 Channel11 global flag.
* DMA2_IT_TC11 - DMA2 Channel11 transfer complete flag.
* DMA2_IT_HT11 - DMA2 Channel11 half transfer flag.
* DMA2_IT_TE11 - DMA2 Channel11 transfer error flag.
*
* @return The new state of DMAy_IT (SET or RESET).
*/
ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
{
ITStatus bitstatus = RESET;
uint32_t tmpreg = 0;
if((DMAy_IT & FLAG_Mask) == FLAG_Mask)
{
tmpreg = DMA2->INTFR;
}
else if((DMAy_IT & DMA2_EXTEN_FLAG_Mask) == DMA2_EXTEN_FLAG_Mask)
{
tmpreg = DMA2_EXTEN->INTFR;
}
else
{
tmpreg = DMA1->INTFR;
}
if((tmpreg & DMAy_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearITPendingBit
*
* @brief Clears the DMAy Channelx's interrupt pending bits.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
* DMA2_IT_GL1 - DMA2 Channel1 global flag.
* DMA2_IT_TC1 - DMA2 Channel1 transfer complete flag.
* DMA2_IT_HT1 - DMA2 Channel1 half transfer flag.
* DMA2_IT_TE1 - DMA2 Channel1 transfer error flag.
* DMA2_IT_GL2 - DMA2 Channel2 global flag.
* DMA2_IT_TC2 - DMA2 Channel2 transfer complete flag.
* DMA2_IT_HT2 - DMA2 Channel2 half transfer flag.
* DMA2_IT_TE2 - DMA2 Channel2 transfer error flag.
* DMA2_IT_GL3 - DMA2 Channel3 global flag.
* DMA2_IT_TC3 - DMA2 Channel3 transfer complete flag.
* DMA2_IT_HT3 - DMA2 Channel3 half transfer flag.
* DMA2_IT_TE3 - DMA2 Channel3 transfer error flag.
* DMA2_IT_GL4 - DMA2 Channel4 global flag.
* DMA2_IT_TC4 - DMA2 Channel4 transfer complete flag.
* DMA2_IT_HT4 - DMA2 Channel4 half transfer flag.
* DMA2_IT_TE4 - DMA2 Channel4 transfer error flag.
* DMA2_IT_GL5 - DMA2 Channel5 global flag.
* DMA2_IT_TC5 - DMA2 Channel5 transfer complete flag.
* DMA2_IT_HT5 - DMA2 Channel5 half transfer flag.
* DMA2_IT_TE5 - DMA2 Channel5 transfer error flag.
* DMA2_IT_GL6 - DMA2 Channel6 global flag.
* DMA2_IT_TC6 - DMA2 Channel6 transfer complete flag.
* DMA2_IT_HT6 - DMA2 Channel6 half transfer flag.
* DMA2_IT_TE6 - DMA2 Channel6 transfer error flag.
* DMA2_IT_GL7 - DMA2 Channel7 global flag.
* DMA2_IT_TC7 - DMA2 Channel7 transfer complete flag.
* DMA2_IT_HT7 - DMA2 Channel7 half transfer flag.
* DMA2_IT_TE7 - DMA2 Channel7 transfer error flag.
* DMA2_IT_GL8 - DMA2 Channel8 global flag.
* DMA2_IT_TC8 - DMA2 Channel8 transfer complete flag.
* DMA2_IT_HT8 - DMA2 Channel8 half transfer flag.
* DMA2_IT_TE8 - DMA2 Channel8 transfer error flag.
* DMA2_IT_GL9 - DMA2 Channel9 global flag.
* DMA2_IT_TC9 - DMA2 Channel9 transfer complete flag.
* DMA2_IT_HT9 - DMA2 Channel9 half transfer flag.
* DMA2_IT_TE9 - DMA2 Channel9 transfer error flag.
* DMA2_IT_GL10 - DMA2 Channel10 global flag.
* DMA2_IT_TC10 - DMA2 Channel10 transfer complete flag.
* DMA2_IT_HT10 - DMA2 Channel10 half transfer flag.
* DMA2_IT_TE10 - DMA2 Channel10 transfer error flag.
* DMA2_IT_GL11 - DMA2 Channel11 global flag.
* DMA2_IT_TC11 - DMA2 Channel11 transfer complete flag.
* DMA2_IT_HT11 - DMA2 Channel11 half transfer flag.
* DMA2_IT_TE11 - DMA2 Channel11 transfer error flag.
*
* @return none
*/
void DMA_ClearITPendingBit(uint32_t DMAy_IT)
{
if((DMAy_IT & FLAG_Mask) == FLAG_Mask)
{
DMA2->INTFCR = DMAy_IT;
}
else if((DMAy_IT & DMA2_EXTEN_FLAG_Mask) == DMA2_EXTEN_FLAG_Mask)
{
DMA2_EXTEN->INTFCR = DMAy_IT;
}
else
{
DMA1->INTFCR = DMAy_IT;
}
}
+135
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_dvp.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the DVP firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_dvp.h"
/*********************************************************************
* @fn DVP_INTCfg
*
* @brief DVP interrupt configuration
*
* @param s - interrupt enable
* ENABLE
* DISABLE
* i - interrupt type
* RB_DVP_IE_STP_FRM
* RB_DVP_IE_FIFO_OV
* RB_DVP_IE_FRM_DONE
* RB_DVP_IE_ROW_DONE
* RB_DVP_IE_STR_FRM
*
* @return none
*/
void DVP_INTCfg(uint8_t s, uint8_t i)
{
if(s)
{
DVP->IER |= i;
}
else
{
DVP->IER &= ~i;
}
}
/*********************************************************************
* @fn DVP_Mode
*
* @brief DVP mode
*
* @param s - data bit width
* RB_DVP_D8_MOD
* RB_DVP_D10_MOD
* RB_DVP_D12_MOD
* i - interrupt type
* Video_Mode
* JPEG_Mode
*
* @return none
*/
void DVP_Mode(uint8_t s, DVP_Data_ModeTypeDef i)
{
DVP->CR0 &= ~RB_DVP_MSK_DAT_MOD;
if(s)
{
DVP->CR0 |= s;
}
else
{
DVP->CR0 &= ~(3 << 4);
}
if(i)
{
DVP->CR0 |= RB_DVP_JPEG;
}
else
{
DVP->CR0 &= ~RB_DVP_JPEG;
}
}
/*********************************************************************
* @fn DVP_Cfg
*
* @brief DVP configuration
*
* @param s - DMA enable control
* DVP_DMA_Enable
* DVP_DMA_Disable
* i - DVP all clear
* DVP_FLAG_FIFO_RESET_Enable
* DVP_FLAG_FIFO_RESET_Disable
* j - receive reset enable
* DVP_RX_RESET_Enable
* DVP_RX_RESET_Disable
*
* @return none
*/
void DVP_Cfg(DVP_DMATypeDef s, DVP_FLAG_FIFO_RESETTypeDef i, DVP_RX_RESETTypeDef j)
{
switch(s)
{
case DVP_DMA_Enable:
DVP->CR1 |= RB_DVP_DMA_EN;
break;
case DVP_DMA_Disable:
DVP->CR1 &= ~RB_DVP_DMA_EN;
break;
default:
break;
}
switch(i)
{
case DVP_RX_RESET_Enable:
DVP->CR1 |= RB_DVP_ALL_CLR;
break;
case DVP_RX_RESET_Disable:
DVP->CR1 &= ~RB_DVP_ALL_CLR;
break;
default:
break;
}
switch(j)
{
case DVP_RX_RESET_Enable:
DVP->CR1 |= RB_DVP_RCV_CLR;
break;
case DVP_RX_RESET_Disable:
DVP->CR1 &= ~RB_DVP_RCV_CLR;
break;
default:
break;
}
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,182 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_exti.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the EXTI firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_exti.h"
/* No interrupt selected */
#define EXTI_LINENONE ((uint32_t)0x00000)
/*********************************************************************
* @fn EXTI_DeInit
*
* @brief Deinitializes the EXTI peripheral registers to their default
* reset values.
*
* @return none.
*/
void EXTI_DeInit(void)
{
EXTI->INTENR = 0x00000000;
EXTI->EVENR = 0x00000000;
EXTI->RTENR = 0x00000000;
EXTI->FTENR = 0x00000000;
EXTI->INTFR = 0x000FFFFF;
}
/*********************************************************************
* @fn EXTI_Init
*
* @brief Initializes the EXTI peripheral according to the specified
* parameters in the EXTI_InitStruct.
*
* @param EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct)
{
uint32_t tmp = 0;
tmp = (uint32_t)EXTI_BASE;
if(EXTI_InitStruct->EXTI_LineCmd != DISABLE)
{
EXTI->INTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->EVENR &= ~EXTI_InitStruct->EXTI_Line;
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
EXTI->RTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->FTENR &= ~EXTI_InitStruct->EXTI_Line;
if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
{
EXTI->RTENR |= EXTI_InitStruct->EXTI_Line;
EXTI->FTENR |= EXTI_InitStruct->EXTI_Line;
}
else
{
tmp = (uint32_t)EXTI_BASE;
tmp += EXTI_InitStruct->EXTI_Trigger;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
}
}
else
{
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp &= ~EXTI_InitStruct->EXTI_Line;
}
}
/*********************************************************************
* @fn EXTI_StructInit
*
* @brief Fills each EXTI_InitStruct member with its reset value.
*
* @param EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct)
{
EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStruct->EXTI_LineCmd = DISABLE;
}
/*********************************************************************
* @fn EXTI_GenerateSWInterrupt
*
* @brief Generates a Software interrupt.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none.
*/
void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
{
EXTI->SWIEVR |= EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetFlagStatus
*
* @brief Checks whether the specified EXTI line flag is set or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
{
FlagStatus bitstatus = RESET;
if((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearFlag
*
* @brief Clears the EXTI's line pending flags.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return None
*/
void EXTI_ClearFlag(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetITStatus
*
* @brief Checks whether the specified EXTI line is asserted or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
enablestatus = EXTI->INTENR & EXTI_Line;
if(((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearITPendingBit
*
* @brief Clears the EXTI's line pending bits.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none
*/
void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,378 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_fsmc.c
* Author : WCH
* Version : V1.0.1
* Date : 2025/04/06
* Description : This file provides all the FSMC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_fsmc.h"
#include "ch32v30x_rcc.h"
/* FSMC BCRx Mask */
#define BCR_MBKEN_Set ((uint32_t)0x00000001)
#define BCR_MBKEN_Reset ((uint32_t)0x000FFFFE)
#define BCR_FACCEN_Set ((uint32_t)0x00000040)
/* FSMC PCRx Mask */
#define PCR_PBKEN_Set ((uint32_t)0x00000004)
#define PCR_PBKEN_Reset ((uint32_t)0x000FFFFB)
#define PCR_ECCEN_Set ((uint32_t)0x00000040)
#define PCR_ECCEN_Reset ((uint32_t)0x000FFFBF)
#define PCR_MemoryType_NAND ((uint32_t)0x00000008)
/*********************************************************************
* @fn FSMC_NORSRAMDeInit
*
* @brief Deinitializes the FSMC NOR/SRAM Banks registers to their default
* reset values.
*
* @param FSMC_Bank-
* FSMC_Bank1_NORSRAM1 - FSMC Bank1 NOR/SRAM1.
*
* @return none
*/
void FSMC_NORSRAMDeInit(uint32_t FSMC_Bank)
{
if(FSMC_Bank == FSMC_Bank1_NORSRAM1)
{
FSMC_Bank1->BTCR[FSMC_Bank] = 0x000030DB;
}
else
{
FSMC_Bank1->BTCR[FSMC_Bank] = 0x000030D2;
}
FSMC_Bank1->BTCR[FSMC_Bank + 1] = 0x0FFFFFFF;
FSMC_Bank1E->BWTR[FSMC_Bank] = 0x0FFFFFFF;
}
/*********************************************************************
* @fn FSMC_NANDDeInit
*
* @brief Deinitializes the FSMC NAND Banks registers to their default
* reset values.
*
* @param FSMC_Bank -
* FSMC_Bank2_NAND - FSMC Bank2 NAND.
*
* @return none
*/
void FSMC_NANDDeInit(uint32_t FSMC_Bank)
{
if(FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 = 0x00000018;
FSMC_Bank2->SR2 = 0x00000040;
FSMC_Bank2->PMEM2 = 0xFCFCFCFC;
FSMC_Bank2->PATT2 = 0xFCFCFCFC;
}
}
/*********************************************************************
* @fn FSMC_NORSRAMInit
*
* @brief Initializes the FSMC NOR/SRAM Banks according to the specified
* parameters in the FSMC_NORSRAMInitStruct.
*
* @param SMC_NORSRAMInitStruct:pointer to a FSMC_NORSRAMInitTypeDef
* structure that contains the configuration information for the FSMC NOR/SRAM
* specified Banks.
*
* @return none
*/
void FSMC_NORSRAMInit(FSMC_NORSRAMInitTypeDef *FSMC_NORSRAMInitStruct)
{
FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank] =
(uint32_t)FSMC_NORSRAMInitStruct->FSMC_DataAddressMux |
FSMC_NORSRAMInitStruct->FSMC_MemoryType |
FSMC_NORSRAMInitStruct->FSMC_MemoryDataWidth |
FSMC_NORSRAMInitStruct->FSMC_BurstAccessMode |
FSMC_NORSRAMInitStruct->FSMC_AsynchronousWait |
FSMC_NORSRAMInitStruct->FSMC_WaitSignalPolarity |
FSMC_NORSRAMInitStruct->FSMC_WaitSignalActive |
FSMC_NORSRAMInitStruct->FSMC_WriteOperation |
FSMC_NORSRAMInitStruct->FSMC_WaitSignal |
FSMC_NORSRAMInitStruct->FSMC_ExtendedMode |
FSMC_NORSRAMInitStruct->FSMC_WriteBurst;
if(FSMC_NORSRAMInitStruct->FSMC_MemoryType == FSMC_MemoryType_NOR)
{
FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank] |= (uint32_t)BCR_FACCEN_Set;
}
FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank + 1] =
(uint32_t)FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressSetupTime |
(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressHoldTime << 4) |
(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataSetupTime << 8) |
(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_BusTurnAroundDuration << 16) |
(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_CLKDivision << 20) |
(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataLatency << 24) |
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AccessMode;
if(FSMC_NORSRAMInitStruct->FSMC_ExtendedMode == FSMC_ExtendedMode_Enable)
{
FSMC_Bank1E->BWTR[FSMC_NORSRAMInitStruct->FSMC_Bank] =
(uint32_t)FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressSetupTime |
(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressHoldTime << 4) |
(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataSetupTime << 8) |
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AccessMode;
}
else
{
FSMC_Bank1E->BWTR[FSMC_NORSRAMInitStruct->FSMC_Bank] = 0x0FFFFFFF;
}
}
/*********************************************************************
* @fn FSMC_NANDInit
*
* @brief Initializes the FSMC NAND Banks according to the specified
* parameters in the FSMC_NANDInitStruct.
*
* @param FSMC_NANDInitStruct - pointer to a FSMC_NANDInitTypeDef
* structure that contains the configuration information for the FSMC
* NAND specified Banks.
*
* @return none
*/
void FSMC_NANDInit(FSMC_NANDInitTypeDef *FSMC_NANDInitStruct)
{
uint32_t tmppcr = 0x00000000, tmppmem = 0x00000000, tmppatt = 0x00000000;
tmppcr = (uint32_t)FSMC_NANDInitStruct->FSMC_Waitfeature |
PCR_MemoryType_NAND |
FSMC_NANDInitStruct->FSMC_MemoryDataWidth |
FSMC_NANDInitStruct->FSMC_ECC |
FSMC_NANDInitStruct->FSMC_ECCPageSize |
(FSMC_NANDInitStruct->FSMC_TCLRSetupTime << 9) |
(FSMC_NANDInitStruct->FSMC_TARSetupTime << 13);
tmppmem = (uint32_t)FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime |
(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime << 8) |
(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime << 16) |
(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime << 24);
tmppatt = (uint32_t)FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime |
(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime << 8) |
(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime << 16) |
(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime << 24);
if(FSMC_NANDInitStruct->FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 = tmppcr;
FSMC_Bank2->PMEM2 = tmppmem;
FSMC_Bank2->PATT2 = tmppatt;
}
}
/*********************************************************************
* @fn FSMC_NORSRAMStructInit
*
* @brief Fills each FSMC_NORSRAMInitStruct member with its default value.
*
* @param FSMC_NORSRAMInitStruct - pointer to a FSMC_NORSRAMInitTypeDef
* structure which will be initialized.
*
* @return none
*/
void FSMC_NORSRAMStructInit(FSMC_NORSRAMInitTypeDef *FSMC_NORSRAMInitStruct)
{
FSMC_NORSRAMInitStruct->FSMC_Bank = FSMC_Bank1_NORSRAM1;
FSMC_NORSRAMInitStruct->FSMC_DataAddressMux = FSMC_DataAddressMux_Enable;
FSMC_NORSRAMInitStruct->FSMC_MemoryType = FSMC_MemoryType_SRAM;
FSMC_NORSRAMInitStruct->FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b;
FSMC_NORSRAMInitStruct->FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAMInitStruct->FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
FSMC_NORSRAMInitStruct->FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStruct->FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAMInitStruct->FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAMInitStruct->FSMC_WaitSignal = FSMC_WaitSignal_Enable;
FSMC_NORSRAMInitStruct->FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
FSMC_NORSRAMInitStruct->FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressSetupTime = 0xF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressHoldTime = 0xF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataSetupTime = 0xFF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_BusTurnAroundDuration = 0xF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_CLKDivision = 0xF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataLatency = 0xF;
FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AccessMode = FSMC_AccessMode_A;
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressSetupTime = 0xF;
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressHoldTime = 0xF;
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataSetupTime = 0xFF;
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_BusTurnAroundDuration = 0xF;
FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AccessMode = FSMC_AccessMode_A;
}
/*********************************************************************
* @fn FSMC_NANDStructInit
*
* @brief Fills each FSMC_NANDInitStruct member with its default value.
*
* @param FSMC_NANDInitStruct - pointer to a FSMC_NANDInitTypeDef
* structure which will be initialized.
*
* @return none
*/
void FSMC_NANDStructInit(FSMC_NANDInitTypeDef *FSMC_NANDInitStruct)
{
FSMC_NANDInitStruct->FSMC_Bank = FSMC_Bank2_NAND;
FSMC_NANDInitStruct->FSMC_Waitfeature = FSMC_Waitfeature_Disable;
FSMC_NANDInitStruct->FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b;
FSMC_NANDInitStruct->FSMC_ECC = FSMC_ECC_Disable;
FSMC_NANDInitStruct->FSMC_ECCPageSize = FSMC_ECCPageSize_256Bytes;
FSMC_NANDInitStruct->FSMC_TCLRSetupTime = 0x0;
FSMC_NANDInitStruct->FSMC_TARSetupTime = 0x0;
FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC;
FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC;
}
/*********************************************************************
* @fn FSMC_NORSRAMCmd
*
* @brief Enables or disables the specified NOR/SRAM Memory Bank.
*
* @param FSMC_Bank - specifies the FSMC Bank to be used
* FSMC_Bank1_NORSRAM1 - FSMC Bank1 NOR/SRAM1
* FSMC_Bank1_NORSRAM2 - FSMC Bank1 NOR/SRAM2
* FSMC_Bank1_NORSRAM3 - FSMC Bank1 NOR/SRAM3
* FSMC_Bank1_NORSRAM4 - FSMC Bank1 NOR/SRAM4
* NewState:ENABLE or DISABLE.
*
* @return none
*/
void FSMC_NORSRAMCmd(uint32_t FSMC_Bank, FunctionalState NewState)
{
if(NewState != DISABLE)
{
FSMC_Bank1->BTCR[FSMC_Bank] |= BCR_MBKEN_Set;
}
else
{
FSMC_Bank1->BTCR[FSMC_Bank] &= BCR_MBKEN_Reset;
}
}
/*********************************************************************
* @fn FSMC_NANDCmd
*
* @brief Enables or disables the specified NAND Memory Bank.
*
* @param FSMC_Bank - specifies the FSMC Bank to be used
* FSMC_Bank2_NAND - FSMC Bank2 NAND
* NewStat - ENABLE or DISABLE.
*
* @return none
*/
void FSMC_NANDCmd(uint32_t FSMC_Bank, FunctionalState NewState)
{
if(NewState != DISABLE)
{
if(FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 |= PCR_PBKEN_Set;
}
}
else
{
if(FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 &= PCR_PBKEN_Reset;
}
}
}
/*********************************************************************
* @fn FSMC_NANDECCCmd
*
* @brief Enables or disables the FSMC NAND ECC feature.
*
* @param FSMC_Bank - specifies the FSMC Bank to be used
* FSMC_Bank2_NAND - FSMC Bank2 NAND
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void FSMC_NANDECCCmd(uint32_t FSMC_Bank, FunctionalState NewState)
{
if(NewState != DISABLE)
{
if(FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 |= PCR_ECCEN_Set;
}
}
else
{
if(FSMC_Bank == FSMC_Bank2_NAND)
{
FSMC_Bank2->PCR2 &= PCR_ECCEN_Reset;
}
}
}
/*********************************************************************
* @fn FSMC_GetECC
*
* @brief Returns the error correction code register value.
*
* @param FSMC_Bank - specifies the FSMC Bank to be used
* FSMC_Bank2_NAND - FSMC Bank2 NAND
* NewState - ENABLE or DISABLE.
*
* @return eccval - The Error Correction Code (ECC) value.
*/
uint32_t FSMC_GetECC(uint32_t FSMC_Bank)
{
uint32_t eccval = 0x00000000;
if(FSMC_Bank == FSMC_Bank2_NAND)
{
eccval = FSMC_Bank2->ECCR2;
}
return (eccval);
}
/*********************************************************************
* @fn FSMC_GetFlagStatus
*
* @brief Checks whether the specified FSMC flag is set or not.
*
* @param FSMC_Bank - specifies the FSMC Bank to be used
* FSMC_Bank2_NAND - FSMC Bank2 NAND
* FSMC_FLAG - specifies the flag to check.
* FSMC_FLAG_FEMPT - Fifo empty Flag.
* NewState - ENABLE or DISABLE.
*
* @return FlagStatus - The new state of FSMC_FLAG (SET or RESET).
*/
FlagStatus FSMC_GetFlagStatus(uint32_t FSMC_Bank, uint32_t FSMC_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpsr = 0x00000000;
if(FSMC_Bank == FSMC_Bank2_NAND)
{
tmpsr = FSMC_Bank2->SR2;
}
if((tmpsr & FSMC_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
@@ -0,0 +1,895 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_gpio.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/05/06
* Description : This file provides all the GPIO firmware functions.
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_gpio.h"
#include "ch32v30x_rcc.h"
/* MASK */
#define ECR_PORTPINCONFIG_MASK ((uint16_t)0xFF80)
#define LSB_MASK ((uint16_t)0xFFFF)
#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
#define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF)
#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
/*********************************************************************
* @fn GPIO_DeInit
*
* @brief Deinitializes the GPIOx peripheral registers to their default
* reset values.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return none
*/
void GPIO_DeInit(GPIO_TypeDef *GPIOx)
{
if(GPIOx == GPIOA)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
}
else if(GPIOx == GPIOB)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE);
}
else if(GPIOx == GPIOC)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
}
else if(GPIOx == GPIOD)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
}
else if(GPIOx == GPIOE)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE);
}
}
/*********************************************************************
* @fn GPIO_AFIODeInit
*
* @brief Deinitializes the Alternate Functions (remap, event control
* and EXTI configuration) registers to their default reset values.
*
* @return none
*/
void GPIO_AFIODeInit(void)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
}
/*********************************************************************
* @fn GPIO_Init
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure that
* contains the configuration information for the specified GPIO peripheral.
*
* @return none
*/
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
uint32_t tmpreg = 0x00, pinmask = 0x00;
currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
if((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
{
currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
}
if(((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
{
tmpreg = GPIOx->CFGLR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = ((uint32_t)0x01) << pinpos;
currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << pinpos);
}
else
{
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << pinpos);
}
}
}
}
GPIOx->CFGLR = tmpreg;
}
if(GPIO_InitStruct->GPIO_Pin > 0x00FF)
{
tmpreg = GPIOx->CFGHR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = (((uint32_t)0x01) << (pinpos + 0x08));
currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << (pinpos + 0x08));
}
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << (pinpos + 0x08));
}
}
}
GPIOx->CFGHR = tmpreg;
}
}
/*********************************************************************
* @fn GPIO_StructInit
*
* @brief Fills each GPIO_InitStruct member with its default
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure
* which will be initialized.
*
* @return none
*/
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct)
{
GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
}
/*********************************************************************
* @fn GPIO_ReadInputDataBit
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return The input port pin value.
*/
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->INDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadInputData
*
* @brief Reads the specified GPIO input data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return The output port pin value.
*/
uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->INDR);
}
/*********************************************************************
* @fn GPIO_ReadOutputDataBit
*
* @brief Reads the specified output data port bit.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->OUTDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadOutputData
*
* @brief Reads the specified GPIO output data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return GPIO output port pin value.
*/
uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->OUTDR);
}
/*********************************************************************
* @fn GPIO_SetBits
*
* @brief Sets the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BSHR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_ResetBits
*
* @brief Clears the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BCR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_WriteBit
*
* @brief Sets or clears the selected data port bit.
*
* @param GPIO_Pin - specifies the port bit to be written.
* This parameter can be one of GPIO_Pin_x where x can be (0..15).
* BitVal - specifies the value to be written to the selected bit.
* Bit_RESET - to clear the port pin.
* Bit_SET - to set the port pin.
*
* @return none
*/
void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
{
if(BitVal != Bit_RESET)
{
GPIOx->BSHR = GPIO_Pin;
}
else
{
GPIOx->BCR = GPIO_Pin;
}
}
/*********************************************************************
* @fn GPIO_Write
*
* @brief Writes data to the specified GPIO data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* PortVal - specifies the value to be written to the port output data register.
*
* @return none
*/
void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal)
{
GPIOx->OUTDR = PortVal;
}
/*********************************************************************
* @fn GPIO_PinLockConfig
*
* @brief Locks GPIO Pins configuration registers.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint32_t tmp = 0x00010000;
tmp |= GPIO_Pin;
GPIOx->LCKR = tmp;
GPIOx->LCKR = GPIO_Pin;
GPIOx->LCKR = tmp;
tmp = GPIOx->LCKR;
tmp = GPIOx->LCKR;
}
/*********************************************************************
* @fn GPIO_EventOutputConfig
*
* @brief Selects the GPIO pin used as Event output.
*
* @param GPIO_PortSource - selects the GPIO port to be used as source
* for Event output.
* This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
* GPIO_PinSource - specifies the pin for the Event output.
* This parameter can be GPIO_PinSourcex where x can be (0..15).
*
* @return none
*/
void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
{
uint32_t tmpreg = 0x00;
tmpreg = AFIO->ECR;
tmpreg &= ECR_PORTPINCONFIG_MASK;
tmpreg |= (uint32_t)GPIO_PortSource << 0x04;
tmpreg |= GPIO_PinSource;
AFIO->ECR = tmpreg;
}
/*********************************************************************
* @fn GPIO_EventOutputCmd
*
* @brief Enables or disables the Event Output.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void GPIO_EventOutputCmd(FunctionalState NewState)
{
if(NewState)
{
AFIO->ECR |= (1 << 7);
}
else
{
AFIO->ECR &= ~(1 << 7);
}
}
/*********************************************************************
* @fn GPIO_PinRemapConfig
*
* @brief Changes the mapping of the specified pin.
*
* @param GPIO_Remap - selects the pin to remap.
* GPIO_Remap_SPI1 - SPI1 Alternate Function mapping
* GPIO_Remap_SPI3 - SPI3 Alternate Function mapping(CH32V30X_D8,CH32V30X_D8C)
* GPIO_Remap_I2C1 - I2C1 Alternate Function mapping
* GPIO_Remap_USART1 - USART1 Alternate Function mapping
* GPIO_Remap_USART2 - USART2 Alternate Function mapping
* GPIO_PartialRemap_USART3 - USART3 Partial Alternate Function mapping
* GPIO_PartialRemap1_USART3 - USART3 Partial1 Alternate Function mapping
* GPIO_FullRemap_USART3 - USART3 Full Alternate Function mapping
* GPIO_PartialRemap_TIM1 - TIM1 Partial Alternate Function mapping
* GPIO_FullRemap_TIM1 - TIM1 Full Alternate Function mapping
* GPIO_PartialRemap1_TIM2 - TIM2 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_TIM2 - TIM2 Partial2 Alternate Function mapping
* GPIO_FullRemap_TIM2 - TIM2 Full Alternate Function mapping
* GPIO_PartialRemap_TIM3 - TIM3 Partial Alternate Function mapping
* GPIO_FullRemap_TIM3 - TIM3 Full Alternate Function mapping
* GPIO_Remap_TIM4 - TIM4 Alternate Function mapping
* GPIO_Remap1_CAN1 - CAN1 Alternate Function mapping
* GPIO_Remap2_CAN1 - CAN1 Alternate Function mapping
* GPIO_Remap_PD0PD1 - PD0 and PD1 Alternate Function mapping
* GPIO_Remap_ADC1_ETRGINJ - ADC1 External Trigger Injected Conversion remapping
* GPIO_Remap_ADC1_ETRGREG - ADC1 External Trigger Regular Conversion remapping
* GPIO_Remap_ADC2_ETRGINJ - ADC2 External Trigger Injected Conversion remapping
* GPIO_Remap_ADC2_ETRGREG - ADC2 External Trigger Regular Conversion remapping
* GPIO_Remap_ETH - Ethernet remapping
* GPIO_Remap_CAN2 - CAN2 remapping
* GPIO_Remap_MII_RMII_SEL - MII or RMII selection
* GPIO_Remap_SWJ_Disable - Full SWJ Disabled
* GPIO_Remap_TIM2ITR1_PTP_SOF - Ethernet PTP output or USB OTG SOF (Start of Frame) connected
* to TIM2 Internal Trigger 1 for calibration
* GPIO_Remap_TIM2ITR1_PTP_SOF - Ethernet PTP output or USB OTG SOF (Start of Frame)
* GPIO_Remap_TIM8 - TIM8 Alternate Function mapping
* GPIO_PartialRemap_TIM9 - TIM9 Partial Alternate Function mapping
* GPIO_FullRemap_TIM9 - TIM9 Full Alternate Function mapping
* GPIO_PartialRemap_TIM10 - TIM10 Partial Alternate Function mapping
* GPIO_FullRemap_TIM10 - TIM10 Full Alternate Function mapping
* GPIO_Remap_FSMC_NADV - FSMC_NADV Alternate Function mapping
* GPIO_PartialRemap_USART4 - USART4 Partial Alternate Function mapping
* GPIO_FullRemap_USART4 - USART4 Full Alternate Function mapping
* GPIO_PartialRemap_USART5 - USART5 Partial Alternate Function mapping
* GPIO_FullRemap_USART5 - USART5 Full Alternate Function mapping
* GPIO_PartialRemap_USART6 - USART6 Partial Alternate Function mapping
* GPIO_FullRemap_USART6 - USART6 Full Alternate Function mapping
* GPIO_PartialRemap_USART7 - USART7 Partial Alternate Function mapping
* GPIO_FullRemap_USART7 - USART7 Full Alternate Function mapping
* GPIO_PartialRemap_USART8 - USART8 Partial Alternate Function mapping
* GPIO_FullRemap_USART8 - USART8 Full Alternate Function mapping
* GPIO_Remap_USART1_HighBit - USART1 Alternate Function mapping high bit
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
{
uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
if((GPIO_Remap & 0x80000000) == 0x80000000)
{
tmpreg = AFIO->PCFR2;
}
else
{
tmpreg = AFIO->PCFR1;
}
tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
tmp = GPIO_Remap & LSB_MASK;
/* Clear bit */
if((GPIO_Remap & 0x80000000) == 0x80000000)
{ /* PCFR2 */
if((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) /* [31:16] 2bit */
{
tmp1 = ((uint32_t)0x03) << (tmpmask + 0x10);
tmpreg &= ~tmp1;
}
else if((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK) /* [15:0] 2bit */
{
tmp1 = ((uint32_t)0x03) << tmpmask;
tmpreg &= ~tmp1;
}
else /* [31:0] 1bit */
{
tmpreg &= ~(tmp << (((GPIO_Remap & 0x7FFFFFFF)>> 0x15) * 0x10));
}
}
else
{ /* PCFR1 */
if((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) /* [26:24] 3bit SWD_JTAG */
{
tmpreg &= DBGAFR_SWJCFG_MASK;
AFIO->PCFR1 &= DBGAFR_SWJCFG_MASK;
}
else if((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK) /* [15:0] 2bit */
{
tmp1 = ((uint32_t)0x03) << tmpmask;
tmpreg &= ~tmp1;
tmpreg |= ~DBGAFR_SWJCFG_MASK;
}
else /* [31:0] 1bit */
{
tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15) * 0x10));
tmpreg |= ~DBGAFR_SWJCFG_MASK;
}
}
/* Set bit */
if(NewState != DISABLE)
{
tmpreg |= (tmp << (((GPIO_Remap & 0x7FFFFFFF)>> 0x15) * 0x10));
}
if((GPIO_Remap & 0x80000000) == 0x80000000)
{
AFIO->PCFR2 = tmpreg;
}
else
{
AFIO->PCFR1 = tmpreg;
}
}
/*********************************************************************
* @fn GPIO_EXTILineConfig
*
* @brief Selects the GPIO pin used as EXTI Line.
*
* @param GPIO_PortSource - selects the GPIO port to be used as source for EXTI lines.
* This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
* GPIO_PinSource - specifies the EXTI line to be configured.
* This parameter can be GPIO_PinSourcex where x can be (0..15).
*
* @return none
*/
void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
{
uint32_t tmp = 0x00;
tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03));
AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp;
AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)));
}
/*********************************************************************
* @fn GPIO_ETH_MediaInterfaceConfig
*
* @brief Selects the Ethernet media interface.
*
* @param GPIO_ETH_MediaInterface - specifies the Media Interface mode.
* GPIO_ETH_MediaInterface_MII - MII mode
* GPIO_ETH_MediaInterface_RMII - RMII mode
*
* @return none
*/
void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface)
{
if(GPIO_ETH_MediaInterface)
{
AFIO->PCFR1 |= (1 << 23);
}
else
{
AFIO->PCFR1 &= ~(1 << 23);
}
}
/*********************************************************************
* @fn GPIO_IPD_Unused
*
* @brief Configure unused GPIO as input pull-down.
*
* @param none
*
* @return none
*/
void GPIO_IPD_Unused(void)
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
uint32_t chip = 0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC|\
RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE, ENABLE);
chip = *( uint32_t * )0x1FFFF704 & (~0x000000F0);
switch(chip)
{
#ifdef CH32V30x_D8
case 0x30330504: //CH32V303CBT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30320504: //CH32V303RBT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30310504: //CH32V303RCT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30300504: //CH32V303VCT6
{
break;
}
#elif defined (CH32V30x_D8C)
case 0x30520508: //CH32V305FBP6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_2\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_8|GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x305C0508: //CH32V305CCT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30500508: //CH32V305RBT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30710508: //CH32V307RCT6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_4|GPIO_Pin_5\
|GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30730508: //CH32V307WCU6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13|GPIO_Pin_14\
|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x3173B508: //CH32V317WCU6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7\
|GPIO_Pin_8|GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x3175B508: //CH32V317TCU6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7|GPIO_Pin_8\
|GPIO_Pin_9|GPIO_Pin_10\
|GPIO_Pin_11|GPIO_Pin_12\
|GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9\
|GPIO_Pin_10|GPIO_Pin_11\
|GPIO_Pin_12|GPIO_Pin_13\
|GPIO_Pin_14|GPIO_Pin_15\
|GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2\
|GPIO_Pin_3|GPIO_Pin_4\
|GPIO_Pin_5|GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOE, &GPIO_InitStructure);
break;
}
case 0x30700508: //CH32V307VCT6
{
break;
}
case 0x3170B508: //CH32V317VCT6
{
break;
}
#endif
default:
{
break;
}
}
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,123 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_iwdg.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/03/06
* Description : This file provides all the IWDG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_iwdg.h"
/* CTLR register bit mask */
#define CTLR_KEY_Reload ((uint16_t)0xAAAA)
#define CTLR_KEY_Enable ((uint16_t)0xCCCC)
/*********************************************************************
* @fn IWDG_WriteAccessCmd
*
* @brief Enables or disables write access to IWDG_PSCR and IWDG_RLDR registers.
*
* @param WDG_WriteAccess - new state of write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Enable - Enable write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Disable - Disable write access to IWDG_PSCR
* and IWDG_RLDR registers.
*
* @return none
*/
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
{
IWDG->CTLR = IWDG_WriteAccess;
}
/*********************************************************************
* @fn IWDG_SetPrescaler
*
* @brief Sets IWDG Prescaler value.
*
* @param IWDG_Prescaler - specifies the IWDG Prescaler value.
* IWDG_Prescaler_4 - IWDG prescaler set to 4.
* IWDG_Prescaler_8 - IWDG prescaler set to 8.
* IWDG_Prescaler_16 - IWDG prescaler set to 16.
* IWDG_Prescaler_32 - IWDG prescaler set to 32.
* IWDG_Prescaler_64 - IWDG prescaler set to 64.
* IWDG_Prescaler_128 - IWDG prescaler set to 128.
* IWDG_Prescaler_256 - IWDG prescaler set to 256.
*
* @return none
*/
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
{
IWDG->PSCR = IWDG_Prescaler;
}
/*********************************************************************
* @fn IWDG_SetReload
*
* @brief Sets IWDG Reload value.
*
* @param Reload - specifies the IWDG Reload value.
* This parameter must be a number between 0 and 0x0FFF.
*
* @return none
*/
void IWDG_SetReload(uint16_t Reload)
{
IWDG->RLDR = Reload;
}
/*********************************************************************
* @fn IWDG_ReloadCounter
*
* @brief Reloads IWDG counter with value defined in the reload register.
*
* @return none
*/
void IWDG_ReloadCounter(void)
{
IWDG->CTLR = CTLR_KEY_Reload;
}
/*********************************************************************
* @fn IWDG_Enable
*
* @brief Enables IWDG (write access to IWDG_PSCR and IWDG_RLDR registers disabled).
*
* @return none
*/
void IWDG_Enable(void)
{
IWDG->CTLR = CTLR_KEY_Enable;
while((RCC->RSTSCKR & 0x2)==RESET);
}
/*********************************************************************
* @fn IWDG_GetFlagStatus
*
* @brief Checks whether the specified IWDG flag is set or not.
*
* @param IWDG_FLAG - specifies the flag to check.
* IWDG_FLAG_PVU - Prescaler Value Update on going.
* IWDG_FLAG_RVU - Reload Value Update on going.
*
* @return none
*/
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
{
FlagStatus bitstatus = RESET;
if((IWDG->STATR & IWDG_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
@@ -0,0 +1,105 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_misc.c
* Author : WCH
* Version : V1.0.0
* Date : 2024/03/06
* Description : This file provides all the miscellaneous firmware functions .
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_misc.h"
__IO uint32_t NVIC_Priority_Group = 0;
/*********************************************************************
* @fn NVIC_PriorityGroupConfig
*
* @brief Configures the priority grouping - pre-emption priority and subpriority.
*
* @param NVIC_PriorityGroup - specifies the priority grouping bits length.
* NVIC_PriorityGroup_0 - 0 bits for pre-emption priority
* 3 bits for subpriority
* NVIC_PriorityGroup_1 - 1 bits for pre-emption priority
* 2 bits for subpriority
* NVIC_PriorityGroup_2 - 2 bits for pre-emption priority
* 1 bits for subpriority
* NVIC_PriorityGroup_3 - 3 bits for pre-emption priority
* 0 bits for subpriority
*
* @return none
*/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
{
NVIC_Priority_Group = NVIC_PriorityGroup;
}
/*********************************************************************
* @fn NVIC_Init
*
* @brief Initializes the NVIC peripheral according to the specified parameters in
* the NVIC_InitStruct.
*
* @param NVIC_InitStruct - pointer to a NVIC_InitTypeDef structure that contains the
* configuration information for the specified NVIC peripheral.
* interrupt nesting disable(CSR-0x804 bit1 = 0)
* NVIC_IRQChannelPreemptionPriority - range is 0.
* NVIC_IRQChannelSubPriority - range from 0 to 7.
*
* interrupt nesting enable-2 Level(CSR-0x804 bit1 = 1 bit[3:2] = 1)
* NVIC_IRQChannelPreemptionPriority - range from 0 to 1.
* NVIC_IRQChannelSubPriority - range from 0 to 3.
*
* interrupt nesting enable-4 Level(CSR-0x804 bit1 = 1 bit[3:2] = 2)
* NVIC_IRQChannelPreemptionPriority - range from 0 to 3.
* NVIC_IRQChannelSubPriority - range from 0 to 1.
*
* interrupt nesting enable-8 Level(CSR-0x804 bit1 = 1 bit[3:2] = 3)
* NVIC_IRQChannelPreemptionPriority - range from 0 to 7.
* NVIC_IRQChannelSubPriority - range range is 0.
*
* @return none
*/
void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct)
{
#if (INTSYSCR_INEST == INTSYSCR_INEST_NoEN)
if(NVIC_Priority_Group == NVIC_PriorityGroup_0)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4);
}
#elif (INTSYSCR_INEST == INTSYSCR_INEST_EN_2Level)
if(NVIC_Priority_Group == NVIC_PriorityGroup_1)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority < 2)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 5));
}
}
#elif (INTSYSCR_INEST == INTSYSCR_INEST_EN_4Level)
if(NVIC_Priority_Group == NVIC_PriorityGroup_2)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority < 4)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 6) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 5));
}
}
#elif (INTSYSCR_INEST == INTSYSCR_INEST_EN_8Level)
if(NVIC_Priority_Group == NVIC_PriorityGroup_3)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority < 8)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 5) );
}
}
#endif
if(NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
NVIC_EnableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
else
{
NVIC_DisableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
}
@@ -0,0 +1,86 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_opa.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the OPA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_opa.h"
#define OPA_MASK ((uint32_t)0x000F)
#define OPA_Total_NUM 4
/*********************************************************************
* @fn OPA_DeInit
*
* @brief Deinitializes the OPA peripheral registers to their default
* reset values.
*
* @return none
*/
void OPA_DeInit(void)
{
OPA->CR = 0;
}
/*********************************************************************
* @fn OPA_Init
*
* @brief Initializes the OPA peripheral according to the specified
* parameters in the OPA_InitStruct.
*
* @param OPA_InitStruct - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_Init(OPA_InitTypeDef *OPA_InitStruct)
{
uint32_t tmp = 0;
tmp = OPA->CR;
tmp &= ~(OPA_MASK << (OPA_InitStruct->OPA_NUM * OPA_Total_NUM));
tmp |= (((OPA_InitStruct->PSEL << OPA_PSEL_OFFSET) | (OPA_InitStruct->NSEL << OPA_NSEL_OFFSET) | (OPA_InitStruct->Mode << OPA_MODE_OFFSET)) << (OPA_InitStruct->OPA_NUM * OPA_Total_NUM));
OPA->CR = tmp;
}
/*********************************************************************
* @fn OPA_StructInit
*
* @brief Fills each OPA_StructInit member with its reset value.
*
* @param OPA_StructInit - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct)
{
OPA_InitStruct->Mode = OUT_IO_OUT1;
OPA_InitStruct->PSEL = CHP0;
OPA_InitStruct->NSEL = CHN0;
OPA_InitStruct->OPA_NUM = OPA1;
}
/*********************************************************************
* @fn OPA_Cmd
*
* @brief Enables or disables the specified OPA peripheral.
*
* @param OPA_NUM - Select OPA
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void OPA_Cmd(OPA_Num_TypeDef OPA_NUM, FunctionalState NewState)
{
if(NewState == ENABLE)
{
OPA->CR |= (1 << (OPA_NUM * OPA_Total_NUM));
}
else
{
OPA->CR &= ~(1 << (OPA_NUM * OPA_Total_NUM));
}
}
+361
View File
@@ -0,0 +1,361 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_pwr.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the PWR firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_pwr.h"
#include "ch32v30x_rcc.h"
/* PWR registers bit mask */
/* CTLR register bit mask */
#define CTLR_DS_MASK ((uint32_t)0xFFFFFFFC)
#define CTLR_PLS_MASK ((uint32_t)0xFFFFFF1F)
/*********************************************************************
* @fn PWR_DeInit
*
* @brief Deinitializes the PWR peripheral registers to their default
* reset values.
*
* @return none
*/
void PWR_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
}
/*********************************************************************
* @fn PWR_BackupAccessCmd
*
* @brief Enables or disables access to the RTC and backup registers.
*
* @param NewState - new state of the access to the RTC and backup registers,
* This parameter can be: ENABLE or DISABLE.
*
* @return none
*/
void PWR_BackupAccessCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->CTLR |= (1 << 8);
}
else
{
PWR->CTLR &= ~(1 << 8);
}
}
/*********************************************************************
* @fn PWR_PVDCmd
*
* @brief Enables or disables the Power Voltage Detector(PVD).
*
* @param NewState - new state of the PVD(ENABLE or DISABLE).
*
* @return none
*/
void PWR_PVDCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->CTLR |= (1 << 4);
}
else
{
PWR->CTLR &= ~(1 << 4);
}
}
/*********************************************************************
* @fn PWR_PVDLevelConfig
*
* @brief Configures the voltage threshold detected by the Power Voltage
* Detector(PVD).
*
* @param PWR_PVDLevel - specifies the PVD detection level
* PWR_PVDLevel_MODE0 - PVD detection level set to mode 0.
* PWR_PVDLevel_MODE1 - PVD detection level set to mode 1.
* PWR_PVDLevel_MODE2 - PVD detection level set to mode 2.
* PWR_PVDLevel_MODE3 - PVD detection level set to mode 3.
* PWR_PVDLevel_MODE4 - PVD detection level set to mode 4.
* PWR_PVDLevel_MODE5 - PVD detection level set to mode 5.
* PWR_PVDLevel_MODE6 - PVD detection level set to mode 6.
* PWR_PVDLevel_MODE7 - PVD detection level set to mode 7.
*
* @return none
*/
void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg &= CTLR_PLS_MASK;
tmpreg |= PWR_PVDLevel;
PWR->CTLR = tmpreg;
}
/*********************************************************************
* @fn PWR_WakeUpPinCmd
*
* @brief Enables or disables the WakeUp Pin functionality.
*
* @param NewState - new state of the WakeUp Pin functionality
* (ENABLE or DISABLE).
*
* @return none
*/
void PWR_WakeUpPinCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->CSR |= (1 << 8);
}
else
{
PWR->CSR &= ~(1 << 8);
}
}
/*********************************************************************
* @fn PWR_EnterSTOPMode
*
* @brief Enters STOP mode.
*
* @param PWR_Regulator - specifies the regulator state in STOP mode.
* PWR_Regulator_ON - STOP mode with regulator ON
* PWR_Regulator_LowPower - STOP mode with regulator in low power mode
* PWR_STOPEntry - specifies if STOP mode in entered with WFI or WFE instruction.
* PWR_STOPEntry_WFI - enter STOP mode with WFI instruction
* PWR_STOPEntry_WFE - enter STOP mode with WFE instruction
*
* @return none
*/
void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg &= CTLR_DS_MASK;
tmpreg |= PWR_Regulator;
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
if(PWR_STOPEntry == PWR_STOPEntry_WFI)
{
__WFI();
}
else
{
__WFE();
}
NVIC->SCTLR &= ~(1 << 2);
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode
*
* @brief Enters STANDBY mode.
*
* @return none
*/
void PWR_EnterSTANDBYMode(void)
{
PWR->CTLR |= PWR_CTLR_CWUF;
PWR->CTLR |= PWR_CTLR_PDDS;
NVIC->SCTLR |= (1 << 2);
__WFI();
}
/*********************************************************************
* @fn PWR_GetFlagStatus
*
* @brief Checks whether the specified PWR flag is set or not.
*
* @param PWR_FLAG - specifies the flag to check.
* PWR_FLAG_WU - Wake Up flag
* PWR_FLAG_SB - StandBy flag
* PWR_FLAG_PVDO - PVD Output
*
* @return The new state of PWR_FLAG (SET or RESET).
*/
FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
{
FlagStatus bitstatus = RESET;
if((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn PWR_ClearFlag
*
* @brief Clears the PWR's pending flags.
*
* @param PWR_FLAG - specifies the flag to clear.
* PWR_FLAG_WU - Wake Up flag
* PWR_FLAG_SB - StandBy flag
*
* @return none
*/
void PWR_ClearFlag(uint32_t PWR_FLAG)
{
PWR->CTLR |= PWR_FLAG << 2;
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode_RAM
*
* @brief Enters STANDBY mode with RAM data retention function on.
*
* @return none
*/
void PWR_EnterSTANDBYMode_RAM(void)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg |= PWR_CTLR_CWUF;
tmpreg |= PWR_CTLR_PDDS;
//2K+30K in standby w power.
tmpreg |= (0x1 << 16) | (0x1 << 17);
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
__WFI();
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode_RAM_LV
*
* @brief Enters STANDBY mode with RAM data retention function and LV mode on.
*
* @return none
*/
void PWR_EnterSTANDBYMode_RAM_LV(void)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg |= PWR_CTLR_CWUF;
tmpreg |= PWR_CTLR_PDDS;
//2K+30K in standby power.
tmpreg |= (0x1 << 16) | (0x1 << 17);
//2K+30K in standby LV .
tmpreg |= (0x1 << 20);
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
__WFI();
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode_RAM_VBAT_EN
*
* @brief Enters STANDBY mode with RAM data retention function on (VBAT Enable).
*
* @return none
*/
void PWR_EnterSTANDBYMode_RAM_VBAT_EN(void)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg |= PWR_CTLR_CWUF;
tmpreg |= PWR_CTLR_PDDS;
//2K+30K in standby power (VBAT Enable).
tmpreg |= (0x1 << 18) | (0x1 << 19);
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
__WFI();
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode_RAM_LV_VBAT_EN
*
* @brief Enters STANDBY mode with RAM data retention function and LV mode on(VBAT Enable).
*
* @return none
*/
void PWR_EnterSTANDBYMode_RAM_LV_VBAT_EN(void)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg |= PWR_CTLR_CWUF;
tmpreg |= PWR_CTLR_PDDS;
//2K+30K in standby power (VBAT Enable).
tmpreg |= (0x1 << 18) | (0x1 << 19);
//2K+30K in standby LV .
tmpreg |= (0x1 << 20);
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
__WFI();
}
/*********************************************************************
* @fn PWR_EnterSTOPMode_RAM_LV
*
* @brief Enters STOP mode with RAM data retention function and LV mode on.
*
* @param PWR_Regulator - specifies the regulator state in STOP mode.
* PWR_Regulator_LowPower - STOP mode with regulator in low power mode
* PWR_STOPEntry - specifies if STOP mode in entered with WFI or WFE instruction.
* PWR_STOPEntry_WFI - enter STOP mode with WFI instruction
* PWR_STOPEntry_WFE - enter STOP mode with WFE instruction
*
* @return none
*/
void PWR_EnterSTOPMode_RAM_LV(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg &= CTLR_DS_MASK;
tmpreg |= PWR_Regulator;
tmpreg |= (0x1 << 20);
PWR->CTLR = tmpreg;
NVIC->SCTLR |= (1 << 2);
if(PWR_STOPEntry == PWR_STOPEntry_WFI)
{
__WFI();
}
else
{
__WFE();
}
NVIC->SCTLR &= ~(1 << 2);
}
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+154
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_rng.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the RNG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_rng.h"
#include "ch32v30x_rcc.h"
/*********************************************************************
* @fn RNG_Cmd
*
* @brief Enables or disables the RNG peripheral.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RNG_Cmd(FunctionalState NewState)
{
if(NewState != DISABLE)
{
RNG->CR |= RNG_CR_RNGEN;
}
else
{
RNG->CR &= ~RNG_CR_RNGEN;
}
}
/*********************************************************************
* @fn RNG_GetRandomNumber
*
* @brief Returns a 32-bit random number.
*
* @return 32-bit random number.
*/
uint32_t RNG_GetRandomNumber(void)
{
return RNG->DR;
}
/*********************************************************************
* @fn RNG_ITConfig
*
* @brief Enables or disables the RNG interrupt.
*
* @param NewState - ENABLE or DISABLE.
*
* @return 32-bit random number.
*/
void RNG_ITConfig(FunctionalState NewState)
{
if(NewState != DISABLE)
{
RNG->CR |= RNG_CR_IE;
}
else
{
RNG->CR &= ~RNG_CR_IE;
}
}
/*********************************************************************
* @fn RNG_GetFlagStatus
*
* @brief Checks whether the specified RNG flag is set or not.
*
* @param RNG_FLAG - specifies the RNG flag to check.
* RNG_FLAG_DRDY - Data Ready flag.
* RNG_FLAG_CECS - Clock Error Current flag.
* RNG_FLAG_SECS - Seed Error Current flag.
*
* @return 32-bit random number.
*/
FlagStatus RNG_GetFlagStatus(uint8_t RNG_FLAG)
{
FlagStatus bitstatus = RESET;
if((RNG->SR & RNG_FLAG) != (uint8_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RNG_ClearFlag
*
* @brief Clears the RNG flags.
*
* @param RNG_FLAG - specifies the flag to clear.
* RNG_FLAG_CECS - Clock Error Current flag.
* RNG_FLAG_SECS - Seed Error Current flag.
*
* @return 32-bit random number.
*/
void RNG_ClearFlag(uint8_t RNG_FLAG)
{
RNG->SR = ~(uint32_t)(((uint32_t)RNG_FLAG) << 4);
}
/*********************************************************************
* @fn RNG_GetFlagStatus
*
* @brief Checks whether the specified RNG interrupt has occurred or not.
*
* @param RNG_IT - specifies the RNG interrupt source to check.
* RNG_IT_CEI - Clock Error Interrupt.
* RNG_IT_SEI - Seed Error Interrupt.
*
* @return bitstatus:SET or RESET.
*/
ITStatus RNG_GetITStatus(uint8_t RNG_IT)
{
ITStatus bitstatus = RESET;
if((RNG->SR & RNG_IT) != (uint8_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RNG_ClearITPendingBit
*
* @brief Clears the RNG interrupt pending bit(s).
*
* @param RNG_IT - specifies the RNG interrupt pending bit(s) to clear.
* RNG_IT_CEI - Clock Error Interrupt.
* RNG_IT_SEI - Seed Error Interrupt.
*
* @return None
*/
void RNG_ClearITPendingBit(uint8_t RNG_IT)
{
RNG->SR = (uint8_t)~RNG_IT;
}
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_rtc.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the RTC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_rtc.h"
/* RTC_Private_Defines */
#define RTC_LSB_MASK ((uint32_t)0x0000FFFF) /* RTC LSB Mask */
#define PRLH_MSB_MASK ((uint32_t)0x000F0000) /* RTC Prescaler MSB Mask */
/*********************************************************************
* @fn RTC_ITConfig
*
* @brief Enables or disables the specified RTC interrupts.
*
* @param RTC_IT - specifies the RTC interrupts sources to be enabled or disabled.
* RTC_IT_OW - Overflow interrupt
* RTC_IT_ALR - Alarm interrupt
* RTC_IT_SEC - Second interrupt
*
* @return NewState - new state of the specified RTC interrupts(ENABLE or DISABLE).
*/
void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RTC->CTLRH |= RTC_IT;
}
else
{
RTC->CTLRH &= (uint16_t)~RTC_IT;
}
}
/*********************************************************************
* @fn RTC_EnterConfigMode
*
* @brief Enters the RTC configuration mode.
*
* @return none
*/
void RTC_EnterConfigMode(void)
{
RTC->CTLRL |= RTC_CTLRL_CNF;
}
/*********************************************************************
* @fn RTC_ExitConfigMode
*
* @brief Exits from the RTC configuration mode.
*
* @return none
*/
void RTC_ExitConfigMode(void)
{
RTC->CTLRL &= (uint16_t) ~((uint16_t)RTC_CTLRL_CNF);
}
/*********************************************************************
* @fn RTC_GetCounter
*
* @brief Gets the RTC counter value
*
* @return RTC counter value
*/
uint32_t RTC_GetCounter(void)
{
uint16_t high1a = 0, high1b = 0, high2a = 0, high2b = 0;
uint16_t low1 = 0, low2 = 0;
do{
high1a = RTC->CNTH;
high1b = RTC->CNTH;
}while( high1a != high1b );
do{
low1 = RTC->CNTL;
low2 = RTC->CNTL;
}while( low1 != low2 );
do{
high2a = RTC->CNTH;
high2b = RTC->CNTH;
}while( high2a != high2b );
if(high1b != high2b)
{
do{
low1 = RTC->CNTL;
low2 = RTC->CNTL;
}while( low1 != low2 );
}
return (((uint32_t)high2b << 16) | low2);
}
/*********************************************************************
* @fn RTC_SetCounter
*
* @brief Sets the RTC counter value.
*
* @param CounterValue - RTC counter new value.
*
* @return RTC counter value
*/
void RTC_SetCounter(uint32_t CounterValue)
{
RTC_EnterConfigMode();
RTC->CNTH = CounterValue >> 16;
RTC->CNTL = (CounterValue & RTC_LSB_MASK);
RTC_ExitConfigMode();
}
/*********************************************************************
* @fn RTC_SetPrescaler
*
* @brief Sets the RTC prescaler value
*
* @param PrescalerValue - RTC prescaler new value
*
* @return none
*/
void RTC_SetPrescaler(uint32_t PrescalerValue)
{
RTC_EnterConfigMode();
RTC->PSCRH = (PrescalerValue & PRLH_MSB_MASK) >> 16;
RTC->PSCRL = (PrescalerValue & RTC_LSB_MASK);
RTC_ExitConfigMode();
}
/*********************************************************************
* @fn RTC_SetAlarm
*
* @brief Sets the RTC alarm value
*
* @param AlarmValue - RTC alarm new value
*
* @return none
*/
void RTC_SetAlarm(uint32_t AlarmValue)
{
RTC_EnterConfigMode();
RTC->ALRMH = AlarmValue >> 16;
RTC->ALRML = (AlarmValue & RTC_LSB_MASK);
RTC_ExitConfigMode();
}
/*********************************************************************
* @fn RTC_GetDivider
*
* @brief Gets the RTC divider value
*
* @return RTC Divider value
*/
uint32_t RTC_GetDivider(void)
{
uint16_t high1a = 0, high1b = 0, high2a = 0, high2b = 0;
uint16_t low1 = 0, low2 = 0;
do{
high1a = RTC->DIVH;
high1b = RTC->DIVH;
}while( high1a != high1b );
do{
low1 = RTC->DIVL;
low2 = RTC->DIVL;
}while( low1 != low2 );
do{
high2a = RTC->DIVH;
high2b = RTC->DIVH;
}while( high2a != high2b );
if(high1b != high2b)
{
do{
low1 = RTC->DIVL;
low2 = RTC->DIVL;
}while( low1 != low2 );
}
return ((((uint32_t)high2b & (uint32_t)0x000F) << 16) | low2);
}
/*********************************************************************
* @fn RTC_WaitForLastTask
*
* @brief Waits until last write operation on RTC registers has finished
* Note-
* This function must be called before any write to RTC registers.
* @return none
*/
void RTC_WaitForLastTask(void)
{
while((RTC->CTLRL & RTC_FLAG_RTOFF) == (uint16_t)RESET)
{
}
}
/*********************************************************************
* @fn RTC_WaitForSynchro
*
* @brief Waits until the RTC registers are synchronized with RTC APB clock
* Note-
* This function must be called before any read operation after an APB reset
* or an APB clock stop.
*
* @return none
*/
void RTC_WaitForSynchro(void)
{
RTC->CTLRL &= (uint16_t)~RTC_FLAG_RSF;
while((RTC->CTLRL & RTC_FLAG_RSF) == (uint16_t)RESET)
{
}
}
/*********************************************************************
* @fn RTC_GetFlagStatus
*
* @brief Checks whether the specified RTC flag is set or not
*
* @param RTC_FLAG- specifies the flag to check
* RTC_FLAG_RTOFF - RTC Operation OFF flag
* RTC_FLAG_RSF - Registers Synchronized flag
* RTC_FLAG_OW - Overflow flag
* RTC_FLAG_ALR - Alarm flag
* RTC_FLAG_SEC - Second flag
*
* @return The new state of RTC_FLAG (SET or RESET)
*/
FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG)
{
FlagStatus bitstatus = RESET;
if((RTC->CTLRL & RTC_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RTC_ClearFlag
*
* @brief Clears the RTC's pending flags
*
* @param RTC_FLAG - specifies the flag to clear
* RTC_FLAG_RSF - Registers Synchronized flag
* RTC_FLAG_OW - Overflow flag
* RTC_FLAG_ALR - Alarm flag
* RTC_FLAG_SEC - Second flag
*
* @return none
*/
void RTC_ClearFlag(uint16_t RTC_FLAG)
{
RTC->CTLRL &= (uint16_t)~RTC_FLAG;
}
/*********************************************************************
* @fn RTC_GetITStatus
*
* @brief Checks whether the specified RTC interrupt has occurred or not
*
* @param RTC_IT - specifies the RTC interrupts sources to check
* RTC_FLAG_OW - Overflow interrupt
* RTC_FLAG_ALR - Alarm interrupt
* RTC_FLAG_SEC - Second interrupt
*
* @return The new state of the RTC_IT (SET or RESET)
*/
ITStatus RTC_GetITStatus(uint16_t RTC_IT)
{
ITStatus bitstatus = RESET;
bitstatus = (ITStatus)(RTC->CTLRL & RTC_IT);
if(((RTC->CTLRH & RTC_IT) != (uint16_t)RESET) && (bitstatus != (uint16_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RTC_ClearITPendingBit
*
* @brief Clears the RTC's interrupt pending bits
*
* @param RTC_IT - specifies the interrupt pending bit to clear
* RTC_FLAG_OW - Overflow interrupt
* RTC_FLAG_ALR - Alarm interrupt
* RTC_FLAG_SEC - Second interrupt
*
* @return none
*/
void RTC_ClearITPendingBit(uint16_t RTC_IT)
{
RTC->CTLRL &= (uint16_t)~RTC_IT;
}
@@ -0,0 +1,672 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_SDIO.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the SDIO firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_sdio.h"
#include "ch32v30x_rcc.h"
#define SDIO_OFFSET (SDIO_BASE - PERIPH_BASE)
/* CLKCR register clear mask */
#define CLKCR_CLEAR_MASK ((uint32_t)0xFFFF8100)
/* SDIO PWRCTRL Mask */
#define PWR_PWRCTRL_MASK ((uint32_t)0xFFFFFFFC)
/* SDIO DCTRL Clear Mask */
#define DCTRL_CLEAR_MASK ((uint32_t)0xFFFFFF08)
/* CMD Register clear mask */
#define CMD_CLEAR_MASK ((uint32_t)0xFFFFF800)
/* SDIO RESP Registers Address */
#define SDIO_RESP_ADDR ((uint32_t)(SDIO_BASE + 0x14))
/*********************************************************************
* @fn SDIO_DeInit
*
* @brief Deinitializes the SDIO peripheral registers to their default
* reset values.
*
* @return RTC counter value
*/
void SDIO_DeInit(void)
{
SDIO->POWER = 0x00000000;
SDIO->CLKCR = 0x00000000;
SDIO->ARG = 0x00000000;
SDIO->CMD = 0x00000000;
SDIO->DTIMER = 0x00000000;
SDIO->DLEN = 0x00000000;
SDIO->DCTRL = 0x00000000;
SDIO->ICR = 0x00C007FF;
SDIO->MASK = 0x00000000;
}
/*********************************************************************
* @fn SDIO_Init
*
* @brief Initializes the SDIO peripheral according to the specified
* parameters in the SDIO_InitStruct.
*
* @param SDIO_InitStruct - pointer to a SDIO_InitTypeDef structure
* that contains the configuration information for the SDIO peripheral.
*
* @return None
*/
void SDIO_Init(SDIO_InitTypeDef *SDIO_InitStruct)
{
uint32_t tmpreg = 0;
tmpreg = SDIO->CLKCR;
tmpreg &= CLKCR_CLEAR_MASK;
tmpreg |= (SDIO_InitStruct->SDIO_ClockDiv | SDIO_InitStruct->SDIO_ClockPowerSave |
SDIO_InitStruct->SDIO_ClockBypass | SDIO_InitStruct->SDIO_BusWide |
SDIO_InitStruct->SDIO_ClockEdge | SDIO_InitStruct->SDIO_HardwareFlowControl);
SDIO->CLKCR = tmpreg;
}
/*********************************************************************
* @fn SDIO_StructInit
*
* @brief Fills each SDIO_InitStruct member with its default value.
*
* @param SDIO_InitStruct - pointer to an SDIO_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void SDIO_StructInit(SDIO_InitTypeDef *SDIO_InitStruct)
{
SDIO_InitStruct->SDIO_ClockDiv = 0x00;
SDIO_InitStruct->SDIO_ClockEdge = SDIO_ClockEdge_Rising;
SDIO_InitStruct->SDIO_ClockBypass = SDIO_ClockBypass_Disable;
SDIO_InitStruct->SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
SDIO_InitStruct->SDIO_BusWide = SDIO_BusWide_1b;
SDIO_InitStruct->SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
}
/*********************************************************************
* @fn SDIO_ClockCmd
*
* @brief Enables or disables the SDIO Clock.
*
* @param SDIO_InitStruct - pointer to an SDIO_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void SDIO_ClockCmd(FunctionalState NewState)
{
if(NewState)
SDIO->CLKCR |= (1 << 8);
else
SDIO->CLKCR &= ~(1 << 8);
}
/*********************************************************************
* @fn SDIO_SetPowerState
*
* @brief Sets the power status of the controller.
*
* @param SDIO_PowerState - new state of the Power state.
* SDIO_PowerState_OFF
* SDIO_PowerState_ON
*
* @return none
*/
void SDIO_SetPowerState(uint32_t SDIO_PowerState)
{
SDIO->POWER &= PWR_PWRCTRL_MASK;
SDIO->POWER |= SDIO_PowerState;
}
/*********************************************************************
* @fn SDIO_GetPowerState
*
* @brief Gets the power status of the controller.
*
* @param CounterValue - RTC counter new value.
*
* @return power state -
* 0x00 - Power OFF
* 0x02 - Power UP
* 0x03 - Power ON
*/
uint32_t SDIO_GetPowerState(void)
{
return (SDIO->POWER & (~PWR_PWRCTRL_MASK));
}
/*********************************************************************
* @fn SDIO_ITConfig
*
* @brief Enables or disables the SDIO interrupts.
*
* @param DIO_IT - specifies the SDIO interrupt sources to be enabled or disabled.
* SDIO_IT_CCRCFAIL
* SDIO_IT_DCRCFAIL
* SDIO_IT_CTIMEOUT
* SDIO_IT_DTIMEOUT
* SDIO_IT_TXUNDERR
* SDIO_IT_RXOVERR
* SDIO_IT_CMDREND
* SDIO_IT_CMDSENT
* SDIO_IT_DATAEND
* SDIO_IT_STBITERR
* SDIO_IT_DBCKEND
* SDIO_IT_CMDACT
* SDIO_IT_TXACT
* SDIO_IT_RXACT
* SDIO_IT_TXFIFOHE
* SDIO_IT_RXFIFOHF
* SDIO_IT_TXFIFOF
* SDIO_IT_RXFIFOF
* SDIO_IT_TXFIFOE
* SDIO_IT_RXFIFOE
* SDIO_IT_TXDAVL
* SDIO_IT_RXDAVL
* SDIO_IT_SDIOIT
* SDIO_IT_CEATAEND
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SDIO->MASK |= SDIO_IT;
}
else
{
SDIO->MASK &= ~SDIO_IT;
}
}
/*********************************************************************
* @fn SDIO_DMACmd
*
* @brief Enables or disables the SDIO DMA request.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_DMACmd(FunctionalState NewState)
{
if(NewState)
SDIO->DCTRL |= (1 << 3);
else
SDIO->DCTRL &= ~(1 << 3);
}
/*********************************************************************
* @fn SDIO_SendCommand
*
* @brief Initializes the SDIO Command according to the specified
* parameters in the SDIO_CmdInitStruct and send the command.
* @param SDIO_CmdInitStruct - pointer to a SDIO_CmdInitTypeDef
* structure that contains the configuration information for
* ddthe SDIO command.
*
* @return none
*/
void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
{
uint32_t tmpreg = 0;
SDIO->ARG = SDIO_CmdInitStruct->SDIO_Argument;
tmpreg = SDIO->CMD;
tmpreg &= CMD_CLEAR_MASK;
tmpreg |= (uint32_t)SDIO_CmdInitStruct->SDIO_CmdIndex | SDIO_CmdInitStruct->SDIO_Response | SDIO_CmdInitStruct->SDIO_Wait | SDIO_CmdInitStruct->SDIO_CPSM;
SDIO->CMD = tmpreg;
}
/*********************************************************************
* @fn SDIO_CmdStructInit
*
* @brief Fills each SDIO_CmdInitStruct member with its default value.
*
* @param SDIO_CmdInitStruct - pointer to an SDIO_CmdInitTypeDef
* structure which will be initialized.
*
* @return none
*/
void SDIO_CmdStructInit(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
{
SDIO_CmdInitStruct->SDIO_Argument = 0x00;
SDIO_CmdInitStruct->SDIO_CmdIndex = 0x00;
SDIO_CmdInitStruct->SDIO_Response = SDIO_Response_No;
SDIO_CmdInitStruct->SDIO_Wait = SDIO_Wait_No;
SDIO_CmdInitStruct->SDIO_CPSM = SDIO_CPSM_Disable;
}
/*********************************************************************
* @fn SDIO_GetCommandResponse
*
* @brief Returns command index of last command for which response received.
*
* @return Returns the command index of the last command response received.
*/
uint8_t SDIO_GetCommandResponse(void)
{
return (uint8_t)(SDIO->RESPCMD);
}
/*********************************************************************
* @fn SDIO_GetResponse
*
* @brief Returns response received from the card for the last command.
*
* @param SDIO_RESP - Specifies the SDIO response register.
* SDIO_RESP1 - Response Register 1
* SDIO_RESP2 - Response Register 2
* SDIO_RESP3 - Response Register 3
* SDIO_RESP4 - Response Register 4
*
* @return Returns the command index of the last command response received.
*/
uint32_t SDIO_GetResponse(uint32_t SDIO_RESP)
{
__IO uint32_t tmp = 0;
tmp = SDIO_RESP_ADDR + SDIO_RESP;
return (*(__IO uint32_t *)tmp);
}
/*********************************************************************
* @fn SDIO_DataConfig
*
* @brief Initializes the SDIO data path according to the specified
*
* @param SDIO_DataInitStruct - pointer to a SDIO_DataInitTypeDef structure that
* contains the configuration information for the SDIO command.
*
* @return none
*/
void SDIO_DataConfig(SDIO_DataInitTypeDef *SDIO_DataInitStruct)
{
uint32_t tmpreg = 0;
SDIO->DTIMER = SDIO_DataInitStruct->SDIO_DataTimeOut;
SDIO->DLEN = SDIO_DataInitStruct->SDIO_DataLength;
tmpreg = SDIO->DCTRL;
tmpreg &= DCTRL_CLEAR_MASK;
tmpreg |= (uint32_t)SDIO_DataInitStruct->SDIO_DataBlockSize | SDIO_DataInitStruct->SDIO_TransferDir | SDIO_DataInitStruct->SDIO_TransferMode | SDIO_DataInitStruct->SDIO_DPSM;
SDIO->DCTRL = tmpreg;
}
/*********************************************************************
* @fn SDIO_DataStructInit
*
* @brief Fills each SDIO_DataInitStruct member with its default value.
*
* @param SDIO_DataInitStruct - pointer to an SDIO_DataInitTypeDef
* structure which will be initialized.
*
* @return RTC counter value
*/
void SDIO_DataStructInit(SDIO_DataInitTypeDef *SDIO_DataInitStruct)
{
SDIO_DataInitStruct->SDIO_DataTimeOut = 0xFFFFFFFF;
SDIO_DataInitStruct->SDIO_DataLength = 0x00;
SDIO_DataInitStruct->SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
SDIO_DataInitStruct->SDIO_TransferDir = SDIO_TransferDir_ToCard;
SDIO_DataInitStruct->SDIO_TransferMode = SDIO_TransferMode_Block;
SDIO_DataInitStruct->SDIO_DPSM = SDIO_DPSM_Disable;
}
/*********************************************************************
* @fn SDIO_GetDataCounter
*
* @brief Returns number of remaining data bytes to be transferred.
*
* @return Number of remaining data bytes to be transferred
*/
uint32_t SDIO_GetDataCounter(void)
{
return SDIO->DCOUNT;
}
/*********************************************************************
* @fn SDIO_ReadData
*
* @brief Read one data word from Rx FIFO.
*
* @return Data received
*/
uint32_t SDIO_ReadData(void)
{
return SDIO->FIFO;
}
/*********************************************************************
* @fn SDIO_WriteData
*
* @brief Write one data word to Tx FIFO.
*
* @param Data - 32-bit data word to write.
*
* @return RTC counter value
*/
void SDIO_WriteData(uint32_t Data)
{
SDIO->FIFO = Data;
}
/*********************************************************************
* @fn SDIO_GetFIFOCount
*
* @brief Returns the number of words left to be written to or read from FIFO.
*
* @return Remaining number of words.
*/
uint32_t SDIO_GetFIFOCount(void)
{
return SDIO->FIFOCNT;
}
/*********************************************************************
* @fn SDIO_StartSDIOReadWait
*
* @brief Starts the SD I/O Read Wait operation.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_StartSDIOReadWait(FunctionalState NewState)
{
if(NewState)
SDIO->DCTRL |= (1 << 8);
else
SDIO->DCTRL &= ~(1 << 8);
}
/*********************************************************************
* @fn SDIO_StopSDIOReadWait
*
* @brief Stops the SD I/O Read Wait operation.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_StopSDIOReadWait(FunctionalState NewState)
{
if(NewState)
SDIO->DCTRL |= (1 << 9);
else
SDIO->DCTRL &= ~(1 << 9);
}
/*********************************************************************
* @fn SDIO_SetSDIOReadWaitMode
*
* @brief Sets one of the two options of inserting read wait interval.
*
* @param SDIO_ReadWaitMode - SD I/O Read Wait operation mode.
* SDIO_ReadWaitMode_CLK - Read Wait control by stopping SDIOCLK
* SDIO_ReadWaitMode_DATA2 - Read Wait control using SDIO_DATA2
*
* @return none
*/
void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode)
{
if(SDIO_ReadWaitMode)
SDIO->DCTRL |= (1 << 10);
else
SDIO->DCTRL &= ~(1 << 10);
}
/*********************************************************************
* @fn SDIO_SetSDIOOperation
*
* @brief Enables or disables the SD I/O Mode Operation.
*
* @param NewState: ENABLE or DISABLE.
*
* @return none
*/
void SDIO_SetSDIOOperation(FunctionalState NewState)
{
if(NewState)
SDIO->DCTRL |= (1 << 11);
else
SDIO->DCTRL &= ~(1 << 11);
}
/*********************************************************************
* @fn SDIO_SendSDIOSuspendCmd
*
* @brief Enables or disables the SD I/O Mode suspend command sending.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_SendSDIOSuspendCmd(FunctionalState NewState)
{
if(NewState)
SDIO->CMD |= (1 << 11);
else
SDIO->CMD &= ~(1 << 11);
}
/*********************************************************************
* @fn SDIO_CommandCompletionCmd
*
* @brief Enables or disables the command completion signal.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_CommandCompletionCmd(FunctionalState NewState)
{
if(NewState)
SDIO->CMD |= (1 << 12);
else
SDIO->CMD &= ~(1 << 12);
}
/*********************************************************************
* @fn SDIO_CEATAITCmd
*
* @brief Enables or disables the CE-ATA interrupt.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void SDIO_CEATAITCmd(FunctionalState NewState)
{
if(NewState)
SDIO->CMD |= (1 << 13);
else
SDIO->CMD &= ~(1 << 13);
}
/*********************************************************************
* @fn SDIO_SendCEATACmd
*
* @brief Sends CE-ATA command (CMD61).
*
* @param NewState - ENABLE or DISABLE.
*
* @return RTC counter value
*/
void SDIO_SendCEATACmd(FunctionalState NewState)
{
if(NewState)
SDIO->CMD |= (1 << 14);
else
SDIO->CMD &= ~(1 << 14);
}
/*********************************************************************
* @fn SDIO_GetFlagStatus
*
* @brief Checks whether the specified SDIO flag is set or not.
*
* @param SDIO_FLAG - specifies the flag to check.
* SDIO_FLAG_CCRCFAIL - Command response received (CRC check failed)
* SDIO_FLAG_DCRCFAIL - Data block sent/received (CRC check failed)
* SDIO_FLAG_CTIMEOUT - Command response timeout
* SDIO_FLAG_DTIMEOUT - Data timeout
* SDIO_FLAG_TXUNDERR - Transmit FIFO underrun error
* SDIO_FLAG_RXOVERR - Received FIFO overrun error
* SDIO_FLAG_CMDREND - Command response received (CRC check passed)
* SDIO_FLAG_CMDSENT - Command sent (no response required)
* SDIO_FLAG_DATAEND - Data end (data counter, SDIDCOUNT, is zero)
* SDIO_FLAG_STBITERR - Start bit not detected on all data signals
* in wide bus mode.
* SDIO_FLAG_DBCKEND - Data block sent/received (CRC check passed)
* SDIO_FLAG_CMDACT - Command transfer in progress
* SDIO_FLAG_TXACT - Data transmit in progress
* SDIO_FLAG_RXACT - Data receive in progress
* SDIO_FLAG_TXFIFOHE - Transmit FIFO Half Empty
* SDIO_FLAG_RXFIFOHF - Receive FIFO Half Full
* SDIO_FLAG_TXFIFOF - Transmit FIFO full
* SDIO_FLAG_RXFIFOF - Receive FIFO full
* SDIO_FLAG_TXFIFOE - Transmit FIFO empty
* SDIO_FLAG_RXFIFOE - Receive FIFO empty
* SDIO_FLAG_TXDAVL - Data available in transmit FIFO
* SDIO_FLAG_RXDAVL - Data available in receive FIFO
* SDIO_FLAG_SDIOIT - SD I/O interrupt received
* SDIO_FLAG_CEATAEND - CE-ATA command completion signal received
* for CMD61
*
* @return ITStatus - SET or RESET
*/
FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG)
{
FlagStatus bitstatus = RESET;
if((SDIO->STA & SDIO_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SDIO_ClearFlag
*
* @brief Clears the SDIO's pending flags.
*
* @param SDIO_FLAG - specifies the flag to clear.
* SDIO_FLAG_CCRCFAIL - Command response received (CRC check failed)
* SDIO_FLAG_DCRCFAIL - Data block sent/received (CRC check failed)
* SDIO_FLAG_CTIMEOUT - Command response timeout
* SDIO_FLAG_DTIMEOUT - Data timeout
* SDIO_FLAG_TXUNDERR - Transmit FIFO underrun error
* SDIO_FLAG_RXOVERR - Received FIFO overrun error
* SDIO_FLAG_CMDREND - Command response received (CRC check passed)
* SDIO_FLAG_CMDSENT - Command sent (no response required)
* SDIO_FLAG_DATAEND - Data end (data counter, SDIDCOUNT, is zero)
* SDIO_FLAG_STBITERR - Start bit not detected on all data signals
* in wide bus mode
* SDIO_FLAG_DBCKEND - Data block sent/received (CRC check passed)
* SDIO_FLAG_SDIOIT - SD I/O interrupt received
* SDIO_FLAG_CEATAEND - CE-ATA command completion signal received for CMD61
*
* @return none
*/
void SDIO_ClearFlag(uint32_t SDIO_FLAG)
{
SDIO->ICR = SDIO_FLAG;
}
/*********************************************************************
* @fn SDIO_GetITStatus
*
* @brief Checks whether the specified SDIO interrupt has occurred or not.
*
* @param SDIO_IT: specifies the SDIO interrupt source to check.
* SDIO_IT_CCRCFAIL - Command response received (CRC check failed) interrupt
* SDIO_IT_DCRCFAIL - Data block sent/received (CRC check failed) interrupt
* SDIO_IT_CTIMEOUT - Command response timeout interrupt
* SDIO_IT_DTIMEOUT - Data timeout interrupt
* SDIO_IT_TXUNDERR - Transmit FIFO underrun error interrupt
* SDIO_IT_RXOVERR - Received FIFO overrun error interrupt
* SDIO_IT_CMDREND - Command response received (CRC check passed) interrupt
* SDIO_IT_CMDSENT - Command sent (no response required) interrupt
* SDIO_IT_DATAEND - Data end (data counter, SDIDCOUNT, is zero) interrupt
* SDIO_IT_STBITERR - Start bit not detected on all data signals in wide
* bus mode interrupt
* SDIO_IT_DBCKEND - Data block sent/received (CRC check passed) interrupt
* SDIO_IT_CMDACT - Command transfer in progress interrupt
* SDIO_IT_TXACT - Data transmit in progress interrupt
* SDIO_IT_RXACT - Data receive in progress interrupt
* SDIO_IT_TXFIFOHE - Transmit FIFO Half Empty interrupt
* SDIO_IT_RXFIFOHF - Receive FIFO Half Full interrupt
* SDIO_IT_TXFIFOF - Transmit FIFO full interrupt
* SDIO_IT_RXFIFOF - Receive FIFO full interrupt
* SDIO_IT_TXFIFOE - Transmit FIFO empty interrupt
* SDIO_IT_RXFIFOE - Receive FIFO empty interrupt
* SDIO_IT_TXDAVL - Data available in transmit FIFO interrupt
* SDIO_IT_RXDAVL - Data available in receive FIFO interrupt
* SDIO_IT_SDIOIT - SD I/O interrupt received interrupt
* SDIO_IT_CEATAEND - CE-ATA command completion signal received for CMD61 interrupt
*
* @return ITStatus:SET or RESET
*/
ITStatus SDIO_GetITStatus(uint32_t SDIO_IT)
{
ITStatus bitstatus = RESET;
if((SDIO->STA & SDIO_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SDIO_ClearITPendingBit
*
* @brief Clears the SDIO's interrupt pending bits.
*
* @param SDIO_IT - specifies the interrupt pending bit to clear.
* SDIO_IT_CCRCFAIL - Command response received (CRC check failed) interrupt
* SDIO_IT_DCRCFAIL - Data block sent/received (CRC check failed) interrupt
* SDIO_IT_CTIMEOUT - Command response timeout interrupt
* SDIO_IT_DTIMEOUT - Data timeout interrupt
* SDIO_IT_TXUNDERR - Transmit FIFO underrun error interrupt
* SDIO_IT_RXOVERR - Received FIFO overrun error interrupt
* SDIO_IT_CMDREND - Command response received (CRC check passed) interrupt
* SDIO_IT_CMDSENT - Command sent (no response required) interrupt
* SDIO_IT_DATAEND - Data end (data counter, SDIDCOUNT, is zero) interrupt
* SDIO_IT_STBITERR - Start bit not detected on all data signals in wide
* bus mode interrupt
* SDIO_IT_SDIOIT - SD I/O interrupt received interrupt
* SDIO_IT_CEATAEND - CE-ATA command completion signal received for CMD61
*
* @return RTC counter value
*/
void SDIO_ClearITPendingBit(uint32_t SDIO_IT)
{
SDIO->ICR = SDIO_IT;
}
+668
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@@ -0,0 +1,668 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_spi.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the SPI firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_spi.h"
#include "ch32v30x_rcc.h"
/* SPI SPE mask */
#define CTLR1_SPE_Set ((uint16_t)0x0040)
#define CTLR1_SPE_Reset ((uint16_t)0xFFBF)
/* I2S I2SE mask */
#define I2SCFGR_I2SE_Set ((uint16_t)0x0400)
#define I2SCFGR_I2SE_Reset ((uint16_t)0xFBFF)
/* SPI CRCNext mask */
#define CTLR1_CRCNext_Set ((uint16_t)0x1000)
/* SPI CRCEN mask */
#define CTLR1_CRCEN_Set ((uint16_t)0x2000)
#define CTLR1_CRCEN_Reset ((uint16_t)0xDFFF)
/* SPI SSOE mask */
#define CTLR2_SSOE_Set ((uint16_t)0x0004)
#define CTLR2_SSOE_Reset ((uint16_t)0xFFFB)
/* SPI registers Masks */
#define CTLR1_CLEAR_Mask ((uint16_t)0x3040)
#define I2SCFGR_CLEAR_Mask ((uint16_t)0xF040)
/* SPI or I2S mode selection masks */
#define SPI_Mode_Select ((uint16_t)0xF7FF)
#define I2S_Mode_Select ((uint16_t)0x0800)
/* I2S clock source selection masks */
#define I2S2_CLOCK_SRC ((uint32_t)(0x00020000))
#define I2S3_CLOCK_SRC ((uint32_t)(0x00040000))
#define I2S_MUL_MASK ((uint32_t)(0x0000F000))
#define I2S_DIV_MASK ((uint32_t)(0x000000F0))
/*********************************************************************
* @fn SPI_I2S_DeInit
*
* @brief Deinitializes the SPIx peripheral registers to their default
* reset values (Affects also the I2Ss).
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
*
* @return none
*/
void SPI_I2S_DeInit(SPI_TypeDef *SPIx)
{
if(SPIx == SPI1)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, DISABLE);
}
else if(SPIx == SPI2)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI2, DISABLE);
}
else
{
if(SPIx == SPI3)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI3, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_SPI3, DISABLE);
}
}
}
/*********************************************************************
* @fn SPI_Init
*
* @brief Initializes the SPIx peripheral according to the specified
* parameters in the SPI_InitStruct.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* SPI_InitStruct - pointer to a SPI_InitTypeDef structure that
* contains the configuration information for the specified SPI peripheral.
*
* @return none
*/
void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct)
{
uint16_t tmpreg = 0;
tmpreg = SPIx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Direction | SPI_InitStruct->SPI_Mode |
SPI_InitStruct->SPI_DataSize | SPI_InitStruct->SPI_CPOL |
SPI_InitStruct->SPI_CPHA | SPI_InitStruct->SPI_NSS |
SPI_InitStruct->SPI_BaudRatePrescaler | SPI_InitStruct->SPI_FirstBit);
SPIx->CTLR1 = tmpreg;
SPIx->I2SCFGR &= SPI_Mode_Select;
SPIx->CRCR = SPI_InitStruct->SPI_CRCPolynomial;
}
/*********************************************************************
* @fn I2S_Init
*
* @brief Initializes the SPIx peripheral according to the specified
* parameters in the I2S_InitStruct.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* (configured in I2S mode).
* I2S_InitStruct - pointer to an I2S_InitTypeDef structure that
* contains the configuration information for the specified SPI peripheral
* configured in I2S mode.
*
* @return none
*/
void I2S_Init(SPI_TypeDef *SPIx, I2S_InitTypeDef *I2S_InitStruct)
{
uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1;
uint32_t tmp = 0;
RCC_ClocksTypeDef RCC_Clocks;
uint32_t sourceclock = 0;
SPIx->I2SCFGR &= I2SCFGR_CLEAR_Mask;
SPIx->I2SPR = 0x0002;
tmpreg = SPIx->I2SCFGR;
if(I2S_InitStruct->I2S_AudioFreq == I2S_AudioFreq_Default)
{
i2sodd = (uint16_t)0;
i2sdiv = (uint16_t)2;
}
else
{
if(I2S_InitStruct->I2S_DataFormat == I2S_DataFormat_16b)
{
packetlength = 1;
}
else
{
packetlength = 2;
}
if(((uint32_t)SPIx) == SPI2_BASE)
{
tmp = I2S2_CLOCK_SRC;
}
else
{
tmp = I2S3_CLOCK_SRC;
}
RCC_GetClocksFreq(&RCC_Clocks);
sourceclock = RCC_Clocks.SYSCLK_Frequency;
if(I2S_InitStruct->I2S_MCLKOutput == I2S_MCLKOutput_Enable)
{
tmp = (uint16_t)(((((sourceclock / 256) * 10) / I2S_InitStruct->I2S_AudioFreq)) + 5);
}
else
{
tmp = (uint16_t)(((((sourceclock / (32 * packetlength)) * 10) / I2S_InitStruct->I2S_AudioFreq)) + 5);
}
tmp = tmp / 10;
i2sodd = (uint16_t)(tmp & (uint16_t)0x0001);
i2sdiv = (uint16_t)((tmp - i2sodd) / 2);
i2sodd = (uint16_t)(i2sodd << 8);
}
if((i2sdiv < 2) || (i2sdiv > 0xFF))
{
i2sdiv = 2;
i2sodd = 0;
}
SPIx->I2SPR = (uint16_t)(i2sdiv | (uint16_t)(i2sodd | (uint16_t)I2S_InitStruct->I2S_MCLKOutput));
tmpreg |= (uint16_t)(I2S_Mode_Select | (uint16_t)(I2S_InitStruct->I2S_Mode |
(uint16_t)(I2S_InitStruct->I2S_Standard | (uint16_t)(I2S_InitStruct->I2S_DataFormat |
(uint16_t)I2S_InitStruct->I2S_CPOL))));
SPIx->I2SCFGR = tmpreg;
}
/*********************************************************************
* @fn SPI_StructInit
*
* @brief Fills each SPI_InitStruct member with its default value.
*
* @param SPI_InitStruct - pointer to a SPI_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct)
{
SPI_InitStruct->SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStruct->SPI_Mode = SPI_Mode_Slave;
SPI_InitStruct->SPI_DataSize = SPI_DataSize_8b;
SPI_InitStruct->SPI_CPOL = SPI_CPOL_Low;
SPI_InitStruct->SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStruct->SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
SPI_InitStruct->SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStruct->SPI_CRCPolynomial = 7;
}
/*********************************************************************
* @fn I2S_StructInit
*
* @brief Fills each I2S_InitStruct member with its default value.
*
* @param I2S_InitStruct - pointer to a I2S_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void I2S_StructInit(I2S_InitTypeDef *I2S_InitStruct)
{
I2S_InitStruct->I2S_Mode = I2S_Mode_SlaveTx;
I2S_InitStruct->I2S_Standard = I2S_Standard_Phillips;
I2S_InitStruct->I2S_DataFormat = I2S_DataFormat_16b;
I2S_InitStruct->I2S_MCLKOutput = I2S_MCLKOutput_Disable;
I2S_InitStruct->I2S_AudioFreq = I2S_AudioFreq_Default;
I2S_InitStruct->I2S_CPOL = I2S_CPOL_Low;
}
/*********************************************************************
* @fn SPI_Cmd
*
* @brief Enables or disables the specified SPI peripheral.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR1 |= CTLR1_SPE_Set;
}
else
{
SPIx->CTLR1 &= CTLR1_SPE_Reset;
}
}
/*********************************************************************
* @fn I2S_Cmd
*
* @brief Enables or disables the specified SPI peripheral (in I2S mode).
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2S_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->I2SCFGR |= I2SCFGR_I2SE_Set;
}
else
{
SPIx->I2SCFGR &= I2SCFGR_I2SE_Reset;
}
}
/*********************************************************************
* @fn SPI_I2S_ITConfig
*
* @brief Enables or disables the specified SPI/I2S interrupts.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* SPI_I2S_IT - specifies the SPI/I2S interrupt source to be
* enabled or disabled.
* SPI_I2S_IT_TXE - Tx buffer empty interrupt mask.
* SPI_I2S_IT_RXNE - Rx buffer not empty interrupt mask.
* SPI_I2S_IT_ERR - Error interrupt mask.
* NewState: ENABLE or DISABLE.
* @return none
*/
void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
{
uint16_t itpos = 0, itmask = 0;
itpos = SPI_I2S_IT >> 4;
itmask = (uint16_t)1 << (uint16_t)itpos;
if(NewState != DISABLE)
{
SPIx->CTLR2 |= itmask;
}
else
{
SPIx->CTLR2 &= (uint16_t)~itmask;
}
}
/*********************************************************************
* @fn SPI_I2S_DMACmd
*
* @brief Enables or disables the SPIx/I2Sx DMA interface.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* SPI_I2S_DMAReq - specifies the SPI/I2S DMA transfer request to
* be enabled or disabled.
* SPI_I2S_DMAReq_Tx - Tx buffer DMA transfer request.
* SPI_I2S_DMAReq_Rx - Rx buffer DMA transfer request.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR2 |= SPI_I2S_DMAReq;
}
else
{
SPIx->CTLR2 &= (uint16_t)~SPI_I2S_DMAReq;
}
}
/*********************************************************************
* @fn SPI_I2S_SendData
*
* @brief Transmits a Data through the SPIx/I2Sx peripheral.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* Data - Data to be transmitted.
*
* @return none
*/
void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data)
{
SPIx->DATAR = Data;
}
/*********************************************************************
* @fn SPI_I2S_ReceiveData
*
* @brief Returns the most recent received data by the SPIx/I2Sx peripheral.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* Data - Data to be transmitted.
*
* @return SPIx->DATAR - The value of the received data.
*/
uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx)
{
return SPIx->DATAR;
}
/*********************************************************************
* @fn SPI_NSSInternalSoftwareConfig
*
* @brief Configures internally by software the NSS pin for the selected SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* SPI_NSSInternalSoft -
* SPI_NSSInternalSoft_Set - Set NSS pin internally.
* SPI_NSSInternalSoft_Reset - Reset NSS pin internally.
*
* @return none
*/
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft)
{
if(SPI_NSSInternalSoft != SPI_NSSInternalSoft_Reset)
{
SPIx->CTLR1 |= SPI_NSSInternalSoft_Set;
}
else
{
SPIx->CTLR1 &= SPI_NSSInternalSoft_Reset;
}
}
/*********************************************************************
* @fn SPI_SSOutputCmd
*
* @brief Enables or disables the SS output for the selected SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* NewState - new state of the SPIx SS output.
*
* @return none
*/
void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR2 |= CTLR2_SSOE_Set;
}
else
{
SPIx->CTLR2 &= CTLR2_SSOE_Reset;
}
}
/*********************************************************************
* @fn SPI_DataSizeConfig
*
* @brief Configures the data size for the selected SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* SPI_DataSize - specifies the SPI data size.
* SPI_DataSize_16b - Set data frame format to 16bit.
* SPI_DataSize_8b - Set data frame format to 8bit.
*
* @return none
*/
void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize)
{
SPIx->CTLR1 &= (uint16_t)~SPI_DataSize_16b;
SPIx->CTLR1 |= SPI_DataSize;
}
/*********************************************************************
* @fn SPI_TransmitCRC
*
* @brief Transmit the SPIx CRC value.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
*
* @return none
*/
void SPI_TransmitCRC(SPI_TypeDef *SPIx)
{
SPIx->CTLR1 |= CTLR1_CRCNext_Set;
}
/*********************************************************************
* @fn SPI_CalculateCRC
*
* @brief Enables or disables the CRC value calculation of the transferred bytes.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* NewState - new state of the SPIx CRC value calculation.
*
* @return none
*/
void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR1 |= CTLR1_CRCEN_Set;
}
else
{
SPIx->CTLR1 &= CTLR1_CRCEN_Reset;
}
}
/*********************************************************************
* @fn SPI_GetCRC
*
* @brief Returns the transmit or the receive CRC register value for the specified SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* SPI_CRC - specifies the CRC register to be read.
* SPI_CRC_Tx - Selects Tx CRC register.
* SPI_CRC_Rx - Selects Rx CRC register.
*
* @return crcreg: The selected CRC register value.
*/
uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC)
{
uint16_t crcreg = 0;
if(SPI_CRC != SPI_CRC_Rx)
{
crcreg = SPIx->TCRCR;
}
else
{
crcreg = SPIx->RCRCR;
}
return crcreg;
}
/*********************************************************************
* @fn SPI_GetCRCPolynomial
*
* @brief Returns the CRC Polynomial register value for the specified SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
*
* @return SPIx->CRCR - The CRC Polynomial register value.
*/
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx)
{
return SPIx->CRCR;
}
/*********************************************************************
* @fn SPI_BiDirectionalLineConfig
*
* @brief Selects the data transfer direction in bi-directional mode
* for the specified SPI.
*
* @param SPIx - where x can be 1, 2 or 3 to select the SPI peripheral.
* SPI_Direction - specifies the data transfer direction in
* bi-directional mode.
* SPI_Direction_Tx - Selects Tx transmission direction.
* SPI_Direction_Rx - Selects Rx receive direction.
*
* @return none
*/
void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction)
{
if(SPI_Direction == SPI_Direction_Tx)
{
SPIx->CTLR1 |= SPI_Direction_Tx;
}
else
{
SPIx->CTLR1 &= SPI_Direction_Rx;
}
}
/*********************************************************************
* @fn SPI_I2S_GetFlagStatus
*
* @brief Checks whether the specified SPI/I2S flag is set or not.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* SPI_I2S_FLAG - specifies the SPI/I2S flag to check.
* SPI_I2S_FLAG_TXE - Transmit buffer empty flag.
* SPI_I2S_FLAG_RXNE - Receive buffer not empty flag.
* SPI_I2S_FLAG_BSY - Busy flag.
* SPI_I2S_FLAG_OVR - Overrun flag.
* SPI_FLAG_MODF - Mode Fault flag.
* SPI_FLAG_CRCERR - CRC Error flag.
* I2S_FLAG_UDR - Underrun Error flag.
* I2S_FLAG_CHSIDE - Channel Side flag.
*
* @return FlagStatus: SET or RESET.
*/
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
{
FlagStatus bitstatus = RESET;
if((SPIx->STATR & SPI_I2S_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SPI_I2S_ClearFlag
*
* @brief Clears the SPIx CRC Error (CRCERR) flag.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* SPI_I2S_FLAG - specifies the SPI flag to clear.
* SPI_FLAG_CRCERR - CRC Error flag.
* Note-
* - OVR (OverRun error) flag is cleared by software sequence: a read
* operation to SPI_DATAR register (SPI_I2S_ReceiveData()) followed by a read
* operation to SPI_STATR register (SPI_I2S_GetFlagStatus()).
* - UDR (UnderRun error) flag is cleared by a read operation to
* SPI_STATR register (SPI_I2S_GetFlagStatus()).
* - MODF (Mode Fault) flag is cleared by software sequence: a read/write
* operation to SPI_STATR register (SPI_I2S_GetFlagStatus()) followed by a
* write operation to SPI_CTLR1 register (SPI_Cmd() to enable the SPI).
* @return FlagStatus: SET or RESET.
*/
void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
{
SPIx->STATR = (uint16_t)~SPI_I2S_FLAG;
}
/*********************************************************************
* @fn SPI_I2S_GetITStatus
*
* @brief Checks whether the specified SPI/I2S interrupt has occurred or not.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* - 2 or 3 in I2S mode.
* SPI_I2S_IT - specifies the SPI/I2S interrupt source to check..
* SPI_I2S_IT_TXE - Transmit buffer empty interrupt.
* SPI_I2S_IT_RXNE - Receive buffer not empty interrupt.
* SPI_I2S_IT_OVR - Overrun interrupt.
* SPI_IT_MODF - Mode Fault interrupt.
* SPI_IT_CRCERR - CRC Error interrupt.
* I2S_IT_UDR - Underrun Error interrupt.
*
* @return FlagStatus: SET or RESET.
*/
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
{
ITStatus bitstatus = RESET;
uint16_t itpos = 0, itmask = 0, enablestatus = 0;
itpos = 0x01 << (SPI_I2S_IT & 0x0F);
itmask = SPI_I2S_IT >> 4;
itmask = 0x01 << itmask;
enablestatus = (SPIx->CTLR2 & itmask);
if(((SPIx->STATR & itpos) != (uint16_t)RESET) && enablestatus)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SPI_I2S_ClearITPendingBit
*
* @brief Clears the SPIx CRC Error (CRCERR) interrupt pending bit.
*
* @param SPIx - where x can be
* - 1, 2 or 3 in SPI mode.
* SPI_I2S_IT - specifies the SPI interrupt pending bit to clear.
* SPI_IT_CRCERR - CRC Error interrupt.
* Note-
* - OVR (OverRun Error) interrupt pending bit is cleared by software
* sequence: a read operation to SPI_DATAR register (SPI_I2S_ReceiveData())
* followed by a read operation to SPI_STATR register (SPI_I2S_GetITStatus()).
* - UDR (UnderRun Error) interrupt pending bit is cleared by a read
* operation to SPI_STATR register (SPI_I2S_GetITStatus()).
* - MODF (Mode Fault) interrupt pending bit is cleared by software sequence:
* a read/write operation to SPI_STATR register (SPI_I2S_GetITStatus())
* followed by a write operation to SPI_CTLR1 register (SPI_Cmd() to enable
* the SPI).
* @return none
*/
void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
{
uint16_t itpos = 0;
itpos = 0x01 << (SPI_I2S_IT & 0x0F);
SPIx->STATR = (uint16_t)~itpos;
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,783 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_usart.c
* Author : WCH
* Version : V1.0.1
* Date : 2025/04/12
* Description : This file provides all the USART firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_usart.h"
#include "ch32v30x_rcc.h"
/* USART_Private_Defines */
#define CTLR1_UE_Set ((uint16_t)0x2000) /* USART Enable Mask */
#define CTLR1_UE_Reset ((uint16_t)0xDFFF) /* USART Disable Mask */
#define CTLR1_WAKE_Mask ((uint16_t)0xF7FF) /* USART WakeUp Method Mask */
#define CTLR1_RWU_Set ((uint16_t)0x0002) /* USART mute mode Enable Mask */
#define CTLR1_RWU_Reset ((uint16_t)0xFFFD) /* USART mute mode Enable Mask */
#define CTLR1_SBK_Set ((uint16_t)0x0001) /* USART Break Character send Mask */
#define CTLR1_CLEAR_Mask ((uint16_t)0xE9F3) /* USART CTLR1 Mask */
#define CTLR2_Address_Mask ((uint16_t)0xFFF0) /* USART address Mask */
#define CTLR2_LINEN_Set ((uint16_t)0x4000) /* USART LIN Enable Mask */
#define CTLR2_LINEN_Reset ((uint16_t)0xBFFF) /* USART LIN Disable Mask */
#define CTLR2_LBDL_Mask ((uint16_t)0xFFDF) /* USART LIN Break detection Mask */
#define CTLR2_STOP_CLEAR_Mask ((uint16_t)0xCFFF) /* USART CTLR2 STOP Bits Mask */
#define CTLR2_CLOCK_CLEAR_Mask ((uint16_t)0xF0FF) /* USART CTLR2 Clock Mask */
#define CTLR3_SCEN_Set ((uint16_t)0x0020) /* USART SC Enable Mask */
#define CTLR3_SCEN_Reset ((uint16_t)0xFFDF) /* USART SC Disable Mask */
#define CTLR3_NACK_Set ((uint16_t)0x0010) /* USART SC NACK Enable Mask */
#define CTLR3_NACK_Reset ((uint16_t)0xFFEF) /* USART SC NACK Disable Mask */
#define CTLR3_HDSEL_Set ((uint16_t)0x0008) /* USART Half-Duplex Enable Mask */
#define CTLR3_HDSEL_Reset ((uint16_t)0xFFF7) /* USART Half-Duplex Disable Mask */
#define CTLR3_IRLP_Mask ((uint16_t)0xFFFB) /* USART IrDA LowPower mode Mask */
#define CTLR3_CLEAR_Mask ((uint16_t)0xFCFF) /* USART CTLR3 Mask */
#define CTLR3_IREN_Set ((uint16_t)0x0002) /* USART IrDA Enable Mask */
#define CTLR3_IREN_Reset ((uint16_t)0xFFFD) /* USART IrDA Disable Mask */
#define GPR_LSB_Mask ((uint16_t)0x00FF) /* Guard Time Register LSB Mask */
#define GPR_MSB_Mask ((uint16_t)0xFF00) /* Guard Time Register MSB Mask */
#define IT_Mask ((uint16_t)0x001F) /* USART Interrupt Mask */
/*********************************************************************
* @fn USART_DeInit
*
* @brief Deinitializes the USARTx peripheral registers to their default
* reset values.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
*
* @return none
*/
void USART_DeInit(USART_TypeDef *USARTx)
{
if(USARTx == USART1)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, DISABLE);
}
else if(USARTx == USART2)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2, DISABLE);
}
else if(USARTx == USART3)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART3, DISABLE);
}
else if(USARTx == UART4)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART4, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART4, DISABLE);
}
else if(USARTx == UART5)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART5, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART5, DISABLE);
}
else if(USARTx == UART6)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART6, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART6, DISABLE);
}
else if(USARTx == UART7)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART7, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART7, DISABLE);
}
else if(USARTx == UART8)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART8, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_UART8, DISABLE);
}
}
/*********************************************************************
* @fn USART_Init
*
* @brief Initializes the USARTx peripheral according to the specified
* parameters in the USART_InitStruct.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_InitStruct - pointer to a USART_InitTypeDef structure
* that contains the configuration information for the specified
* USART peripheral.
*
* @return none
*/
void USART_Init(USART_TypeDef *USARTx, USART_InitTypeDef *USART_InitStruct)
{
uint32_t tmpreg = 0x00, apbclock = 0x00;
uint32_t integerdivider = 0x00;
uint32_t fractionaldivider = 0x00;
uint32_t usartxbase = 0;
RCC_ClocksTypeDef RCC_ClocksStatus;
if(USART_InitStruct->USART_HardwareFlowControl != USART_HardwareFlowControl_None)
{
}
usartxbase = (uint32_t)USARTx;
tmpreg = USARTx->CTLR2;
tmpreg &= CTLR2_STOP_CLEAR_Mask;
tmpreg |= (uint32_t)USART_InitStruct->USART_StopBits;
USARTx->CTLR2 = (uint16_t)tmpreg;
tmpreg = USARTx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint32_t)USART_InitStruct->USART_WordLength | USART_InitStruct->USART_Parity |
USART_InitStruct->USART_Mode;
USARTx->CTLR1 = (uint16_t)tmpreg;
tmpreg = USARTx->CTLR3;
tmpreg &= CTLR3_CLEAR_Mask;
tmpreg |= USART_InitStruct->USART_HardwareFlowControl;
USARTx->CTLR3 = (uint16_t)tmpreg;
RCC_GetClocksFreq(&RCC_ClocksStatus);
if(usartxbase == USART1_BASE)
{
apbclock = RCC_ClocksStatus.PCLK2_Frequency;
}
else
{
apbclock = RCC_ClocksStatus.PCLK1_Frequency;
}
integerdivider = ((25 * apbclock) / (4 * (USART_InitStruct->USART_BaudRate)));
tmpreg = (integerdivider / 100) << 4;
fractionaldivider = integerdivider - (100 * (tmpreg >> 4));
tmpreg |= ((((fractionaldivider * 16) + 50) / 100)) & ((uint8_t)0x0F);
USARTx->BRR = (uint16_t)tmpreg;
}
/*********************************************************************
* @fn USART_StructInit
*
* @brief Fills each USART_InitStruct member with its default value.
*
* @param USART_InitStruct: pointer to a USART_InitTypeDef structure
* which will be initialized.
*
* @return none
*/
void USART_StructInit(USART_InitTypeDef *USART_InitStruct)
{
USART_InitStruct->USART_BaudRate = 9600;
USART_InitStruct->USART_WordLength = USART_WordLength_8b;
USART_InitStruct->USART_StopBits = USART_StopBits_1;
USART_InitStruct->USART_Parity = USART_Parity_No;
USART_InitStruct->USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_InitStruct->USART_HardwareFlowControl = USART_HardwareFlowControl_None;
}
/*********************************************************************
* @fn USART_ClockInit
*
* @brief Initializes the USARTx peripheral Clock according to the
* specified parameters in the USART_ClockInitStruct .
*
* @param USARTx - where x can be 1, 2, 3 to select the USART peripheral.
* USART_ClockInitStruct - pointer to a USART_ClockInitTypeDef
* structure that contains the configuration information for the specified
* USART peripheral.
*
* @return none
*/
void USART_ClockInit(USART_TypeDef *USARTx, USART_ClockInitTypeDef *USART_ClockInitStruct)
{
uint32_t tmpreg = 0x00;
tmpreg = USARTx->CTLR2;
tmpreg &= CTLR2_CLOCK_CLEAR_Mask;
tmpreg |= (uint32_t)USART_ClockInitStruct->USART_Clock | USART_ClockInitStruct->USART_CPOL |
USART_ClockInitStruct->USART_CPHA | USART_ClockInitStruct->USART_LastBit;
USARTx->CTLR2 = (uint16_t)tmpreg;
}
/*********************************************************************
* @fn USART_ClockStructInit
*
* @brief Fills each USART_ClockStructInit member with its default value.
*
* @param USART_ClockInitStruct - pointer to a USART_ClockInitTypeDef
* structure which will be initialized.
*
* @return none
*/
void USART_ClockStructInit(USART_ClockInitTypeDef *USART_ClockInitStruct)
{
USART_ClockInitStruct->USART_Clock = USART_Clock_Disable;
USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
USART_ClockInitStruct->USART_LastBit = USART_LastBit_Disable;
}
/*********************************************************************
* @fn USART_Cmd
*
* @brief Enables or disables the specified USART peripheral.
* reset values (Affects also the I2Ss).
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState: ENABLE or DISABLE.
*
* @return none
*/
void USART_Cmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR1 |= CTLR1_UE_Set;
}
else
{
USARTx->CTLR1 &= CTLR1_UE_Reset;
}
}
/*********************************************************************
* @fn USART_ITConfig
*
* @brief Enables or disables the specified USART interrupts.
* reset values (Affects also the I2Ss).
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_IT - specifies the USART interrupt sources to be enabled or disabled.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TXE - Transmit Data Register empty interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* USART_IT_IDLE - Idle line detection interrupt.
* USART_IT_PE - Parity Error interrupt.
* USART_IT_ERR - Error interrupt.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_ITConfig(USART_TypeDef *USARTx, uint16_t USART_IT, FunctionalState NewState)
{
uint32_t usartreg = 0x00, itpos = 0x00, itmask = 0x00;
uint32_t usartxbase = 0x00;
usartxbase = (uint32_t)USARTx;
usartreg = (((uint8_t)USART_IT) >> 0x05);
itpos = USART_IT & IT_Mask;
itmask = (((uint32_t)0x01) << itpos);
if(usartreg == 0x01)
{
usartxbase += 0x0C;
}
else if(usartreg == 0x02)
{
usartxbase += 0x10;
}
else
{
usartxbase += 0x14;
}
if(NewState != DISABLE)
{
*(__IO uint32_t *)usartxbase |= itmask;
}
else
{
*(__IO uint32_t *)usartxbase &= ~itmask;
}
}
/*********************************************************************
* @fn USART_DMACmd
*
* @brief Enables or disables the USART DMA interface.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_DMAReq - specifies the DMA request.
* USART_DMAReq_Tx - USART DMA transmit request.
* USART_DMAReq_Rx - USART DMA receive request.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_DMACmd(USART_TypeDef *USARTx, uint16_t USART_DMAReq, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= USART_DMAReq;
}
else
{
USARTx->CTLR3 &= (uint16_t)~USART_DMAReq;
}
}
/*********************************************************************
* @fn USART_SetAddress
*
* @brief Sets the address of the USART node.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_Address - Indicates the address of the USART node.
*
* @return none
*/
void USART_SetAddress(USART_TypeDef *USARTx, uint8_t USART_Address)
{
USARTx->CTLR2 &= CTLR2_Address_Mask;
USARTx->CTLR2 |= USART_Address;
}
/*********************************************************************
* @fn USART_WakeUpConfig
*
* @brief Selects the USART WakeUp method.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_WakeUp - specifies the USART wakeup method.
* USART_WakeUp_IdleLine - WakeUp by an idle line detection.
* USART_WakeUp_AddressMark - WakeUp by an address mark.
*
* @return none
*/
void USART_WakeUpConfig(USART_TypeDef *USARTx, uint16_t USART_WakeUp)
{
USARTx->CTLR1 &= CTLR1_WAKE_Mask;
USARTx->CTLR1 |= USART_WakeUp;
}
/*********************************************************************
* @fn USART_ReceiverWakeUpCmd
*
* @brief Determines if the USART is in mute mode or not.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_ReceiverWakeUpCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR1 |= CTLR1_RWU_Set;
}
else
{
USARTx->CTLR1 &= CTLR1_RWU_Reset;
}
}
/*********************************************************************
* @fn USART_LINBreakDetectLengthConfig
*
* @brief Sets the USART LIN Break detection length.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_LINBreakDetectLength - specifies the LIN break detection length.
* USART_LINBreakDetectLength_10b - 10-bit break detection.
* USART_LINBreakDetectLength_11b - 11-bit break detection.
*
* @return none
*/
void USART_LINBreakDetectLengthConfig(USART_TypeDef *USARTx, uint16_t USART_LINBreakDetectLength)
{
USARTx->CTLR2 &= CTLR2_LBDL_Mask;
USARTx->CTLR2 |= USART_LINBreakDetectLength;
}
/*********************************************************************
* @fn USART_LINCmd
*
* @brief Enables or disables the USART LIN mode.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_LINCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR2 |= CTLR2_LINEN_Set;
}
else
{
USARTx->CTLR2 &= CTLR2_LINEN_Reset;
}
}
/*********************************************************************
* @fn USART_SendData
*
* @brief Transmits single data through the USARTx peripheral.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* Data - the data to transmit.
*
* @return none
*/
void USART_SendData(USART_TypeDef *USARTx, uint16_t Data)
{
USARTx->DATAR = (Data & (uint16_t)0x01FF);
}
/*********************************************************************
* @fn USART_ReceiveData
*
* @brief Returns the most recent received data by the USARTx peripheral.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
*
* @return The received data.
*/
uint16_t USART_ReceiveData(USART_TypeDef *USARTx)
{
return (uint16_t)(USARTx->DATAR & (uint16_t)0x01FF);
}
/*********************************************************************
* @fn USART_SendBreak
*
* @brief Transmits break characters.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
*
* @return none
*/
void USART_SendBreak(USART_TypeDef *USARTx)
{
USARTx->CTLR1 |= CTLR1_SBK_Set;
}
/*********************************************************************
* @fn USART_SetGuardTime
*
* @brief Sets the specified USART guard time.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_GuardTime - specifies the guard time.
*
* @return none
*/
void USART_SetGuardTime(USART_TypeDef *USARTx, uint8_t USART_GuardTime)
{
USARTx->GPR &= GPR_LSB_Mask;
USARTx->GPR |= (uint16_t)((uint16_t)USART_GuardTime << 0x08);
}
/*********************************************************************
* @fn USART_SetPrescaler
*
* @brief Sets the system clock prescaler.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_Prescaler - specifies the prescaler clock.
*
* @return none
*/
void USART_SetPrescaler(USART_TypeDef *USARTx, uint8_t USART_Prescaler)
{
USARTx->GPR &= GPR_MSB_Mask;
USARTx->GPR |= USART_Prescaler;
}
/*********************************************************************
* @fn USART_SmartCardCmd
*
* @brief Enables or disables the USART Smart Card mode.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_SmartCardCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_SCEN_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_SCEN_Reset;
}
}
/*********************************************************************
* @fn USART_SmartCardNACKCmd
*
* @brief Enables or disables NACK transmission.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_SmartCardNACKCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_NACK_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_NACK_Reset;
}
}
/*********************************************************************
* @fn USART_HalfDuplexCmd
*
* @brief Enables or disables the USART Half Duplex communication.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_HalfDuplexCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_HDSEL_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_HDSEL_Reset;
}
}
/*********************************************************************
* @fn USART_IrDAConfig
*
* @brief Configures the USART's IrDA interface.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_IrDAMode - specifies the IrDA mode.
* USART_IrDAMode_LowPower.
* USART_IrDAMode_Normal.
*
* @return none
*/
void USART_IrDAConfig(USART_TypeDef *USARTx, uint16_t USART_IrDAMode)
{
USARTx->CTLR3 &= CTLR3_IRLP_Mask;
USARTx->CTLR3 |= USART_IrDAMode;
}
/*********************************************************************
* @fn USART_IrDACmd
*
* @brief Enables or disables the USART's IrDA interface.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_IrDACmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_IREN_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_IREN_Reset;
}
}
/*********************************************************************
* @fn USART_GetFlagStatus
*
* @brief Checks whether the specified USART flag is set or not.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_FLAG - specifies the flag to check.
* USART_FLAG_LBD - LIN Break detection flag.
* USART_FLAG_TXE - Transmit data register empty flag.
* USART_FLAG_TC - Transmission Complete flag.
* USART_FLAG_RXNE - Receive data register not empty flag.
* USART_FLAG_IDLE - Idle Line detection flag.
* USART_FLAG_ORE - OverRun Error flag.
* USART_FLAG_NE - Noise Error flag.
* USART_FLAG_FE - Framing Error flag.
* USART_FLAG_PE - Parity Error flag.
*
* @return bitstatus: SET or RESET
*/
FlagStatus USART_GetFlagStatus(USART_TypeDef *USARTx, uint16_t USART_FLAG)
{
FlagStatus bitstatus = RESET;
if((USARTx->STATR & USART_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn USART_ClearFlag
*
* @brief Clears the USARTx's pending flags.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_FLAG - specifies the flag to clear.
* USART_FLAG_LBD - LIN Break detection flag.
* USART_FLAG_TC - Transmission Complete flag.
* USART_FLAG_RXNE - Receive data register not empty flag.
* Note-
* - PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
* error) and IDLE (Idle line detected) flags are cleared by software
* sequence: a read operation to USART_STATR register (USART_GetFlagStatus())
* followed by a read operation to USART_DATAR register (USART_ReceiveData()).
* - RXNE flag can be also cleared by a read to the USART_DATAR register
* (USART_ReceiveData()).
* - TC flag can be also cleared by software sequence: a read operation to
* USART_STATR register (USART_GetFlagStatus()) followed by a write operation
* to USART_DATAR register (USART_SendData()).
* - TXE flag is cleared only by a write to the USART_DATAR register
* (USART_SendData()).
* @return none
*/
void USART_ClearFlag(USART_TypeDef *USARTx, uint16_t USART_FLAG)
{
USARTx->STATR = (uint16_t)~USART_FLAG;
}
/*********************************************************************
* @fn USART_GetITStatus
*
* @brief Checks whether the specified USART interrupt has occurred or not.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_IT - specifies the USART interrupt source to check.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TXE - Tansmit Data Register empty interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* USART_IT_IDLE - Idle line detection interrupt.
* USART_IT_ORE_RX - OverRun Error interrupt if the RXNEIE bit is set.
* USART_IT_ORE_ER - OverRun Error interrupt if the EIE bit is set.
* USART_IT_NE - Noise Error interrupt.
* USART_IT_FE - Framing Error interrupt.
* USART_IT_PE - Parity Error interrupt.
*
* @return bitstatus: SET or RESET.
*/
ITStatus USART_GetITStatus(USART_TypeDef *USARTx, uint16_t USART_IT)
{
uint32_t bitpos = 0x00, itmask = 0x00, usartreg = 0x00;
ITStatus bitstatus = RESET;
usartreg = (((uint8_t)USART_IT) >> 0x05);
itmask = USART_IT & IT_Mask;
itmask = (uint32_t)0x01 << itmask;
if(usartreg == 0x01)
{
itmask &= USARTx->CTLR1;
}
else if(usartreg == 0x02)
{
itmask &= USARTx->CTLR2;
}
else
{
itmask &= USARTx->CTLR3;
}
bitpos = USART_IT >> 0x08;
bitpos = (uint32_t)0x01 << bitpos;
bitpos &= USARTx->STATR;
if((itmask != (uint16_t)RESET) && (bitpos != (uint16_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn USART_ClearITPendingBit
*
* @brief Clears the USARTx's interrupt pending bits.
*
* @param USARTx - where x can be 1 to 3 to select the USART peripheral.
* UARTx where x can be 4 to 8 to select the UART peripheral.
* USART_IT - specifies the interrupt pending bit to clear.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* Note-
* - PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
* error) and IDLE (Idle line detected) pending bits are cleared by
* software sequence: a read operation to USART_STATR register
* (USART_GetITStatus()) followed by a read operation to USART_DATAR register
* (USART_ReceiveData()).
* - RXNE pending bit can be also cleared by a read to the USART_DATAR register
* (USART_ReceiveData()).
* - TC pending bit can be also cleared by software sequence: a read
* operation to USART_STATR register (USART_GetITStatus()) followed by a write
* operation to USART_DATAR register (USART_SendData()).
* - TXE pending bit is cleared only by a write to the USART_DATAR register
* (USART_SendData()).
* @return none
*/
void USART_ClearITPendingBit(USART_TypeDef *USARTx, uint16_t USART_IT)
{
uint16_t bitpos = 0x00, itmask = 0x00;
bitpos = USART_IT >> 0x08;
itmask = ((uint16_t)0x01 << (uint16_t)bitpos);
USARTx->STATR = (uint16_t)~itmask;
}
@@ -0,0 +1,141 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_wwdg.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the WWDG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_wwdg.h"
#include "ch32v30x_rcc.h"
/* CTLR register bit mask */
#define CTLR_WDGA_Set ((uint32_t)0x00000080)
/* CFGR register bit mask */
#define CFGR_WDGTB_Mask ((uint32_t)0xFFFFFE7F)
#define CFGR_W_Mask ((uint32_t)0xFFFFFF80)
#define BIT_Mask ((uint8_t)0x7F)
/*********************************************************************
* @fn WWDG_DeInit
*
* @brief Deinitializes the WWDG peripheral registers to their default reset values
*
* @return none
*/
void WWDG_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
}
/*********************************************************************
* @fn WWDG_SetPrescaler
*
* @brief Sets the WWDG Prescaler
*
* @param WWDG_Prescaler - specifies the WWDG Prescaler
* WWDG_Prescaler_1 - WWDG counter clock = (PCLK1/4096)/1
* WWDG_Prescaler_2 - WWDG counter clock = (PCLK1/4096)/2
* WWDG_Prescaler_4 - WWDG counter clock = (PCLK1/4096)/4
* WWDG_Prescaler_8 - WWDG counter clock = (PCLK1/4096)/8
*
* @return none
*/
void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
{
uint32_t tmpreg = 0;
tmpreg = WWDG->CFGR & CFGR_WDGTB_Mask;
tmpreg |= WWDG_Prescaler;
WWDG->CFGR = tmpreg;
}
/*********************************************************************
* @fn WWDG_SetWindowValue
*
* @brief Sets the WWDG window value
*
* @param WindowValue - specifies the window value to be compared to the
* downcounter,which must be lower than 0x80
*
* @return none
*/
void WWDG_SetWindowValue(uint8_t WindowValue)
{
__IO uint32_t tmpreg = 0;
tmpreg = WWDG->CFGR & CFGR_W_Mask;
tmpreg |= WindowValue & (uint32_t)BIT_Mask;
WWDG->CFGR = tmpreg;
}
/*********************************************************************
* @fn WWDG_EnableIT
*
* @brief Enables the WWDG Early Wakeup interrupt(EWI)
*
* @return none
*/
void WWDG_EnableIT(void)
{
WWDG->CFGR |= (1 << 9);
}
/*********************************************************************
* @fn WWDG_SetCounter
*
* @brief Sets the WWDG counter value
*
* @param Counter - specifies the watchdog counter value,which must be a
* number between 0x40 and 0x7F
*
* @return none
*/
void WWDG_SetCounter(uint8_t Counter)
{
WWDG->CTLR = Counter & BIT_Mask;
}
/*********************************************************************
* @fn WWDG_Enable
*
* @brief Enables WWDG and load the counter value
*
* @param Counter - specifies the watchdog counter value,which must be a
* number between 0x40 and 0x7F
* @return none
*/
void WWDG_Enable(uint8_t Counter)
{
WWDG->CTLR = CTLR_WDGA_Set | Counter;
}
/*********************************************************************
* @fn WWDG_GetFlagStatus
*
* @brief Checks whether the Early Wakeup interrupt flag is set or not
*
* @return The new state of the Early Wakeup interrupt flag (SET or RESET)
*/
FlagStatus WWDG_GetFlagStatus(void)
{
return (FlagStatus)(WWDG->STATR);
}
/*********************************************************************
* @fn WWDG_ClearFlag
*
* @brief Clears Early Wakeup interrupt flag
*
* @return none
*/
void WWDG_ClearFlag(void)
{
WWDG->STATR = (uint32_t)RESET;
}