4

prj/TCPClient/User/ch32v30x_it.c

@@ -11,8 +11,6 @@
 *******************************************************************************/
 #include "eth_driver.h"
 #include "ch32v30x_it.h"
-#include "FreeRTOS.h"
-#include "task.h"
 
 void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
 void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
@@ -91,19 +89,8 @@ void ETH_IRQHandler(void)
  */
 void TIM2_IRQHandler(void)
 {
-    static uint8_t wchnet_divider = 0;
-
-    /* 2ms tick for FreeRTOS (configTICK_RATE_HZ = 500) */
-    sys_tick_ms += 2;
-    xPortSysTickHandler();
-
-    /* Software divider: call WCHNET_TimeIsr every 5 ticks = 10ms */
-    if (++wchnet_divider >= 5)
-    {
-        wchnet_divider = 0;
-        WCHNET_TimeIsr(WCHNETTIMERPERIOD);
-    }
-
+    sys_tick_ms += WCHNETTIMERPERIOD;
+    WCHNET_TimeIsr(WCHNETTIMERPERIOD);
     TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
 }
 

prj/TCPClient/User/main.c

@@ -75,6 +75,41 @@ void OnDetectionResult(uint32_t frameNumber, uint8_t resultStatus)
 
 #define KEEPALIVE_ENABLE    1
 
+/* ============================================================
+ * FLASH / SRAM 分配配置 (Option Bytes RAM_CODE_MOD[2:0])
+ * 修改后需复位才生效
+ * ============================================================ */
+typedef enum {
+    FLASH_192_SRAM_128 = 0,   /* 00x  默认 */
+    FLASH_224_SRAM_96,        /* 01x */
+    FLASH_256_SRAM_64,        /* 10x */
+    FLASH_128_SRAM_192,       /* 110 */
+    FLASH_288_SRAM_32         /* 111 */
+} FLASH_SRAM_DEFIN;
+
+static void Config_Flash_SRAM(FLASH_SRAM_DEFIN mode)
+{
+    uint8_t UserByte = FLASH_GetUserOptionByte() & 0xFF;
+    uint8_t newByte  = UserByte & ~0xE0;   /* clear bits [7:5] */
+
+    switch (mode) {
+    case FLASH_192_SRAM_128:                          break; /* 000 */
+    case FLASH_224_SRAM_96:  newByte |= 0x40;         break; /* 010 */
+    case FLASH_256_SRAM_64:  newByte |= 0x80;         break; /* 100 */
+    case FLASH_128_SRAM_192: newByte |= 0xC0;         break; /* 110 */
+    case FLASH_288_SRAM_32:  newByte |= 0xE0;         break; /* 111 */
+    default: return;
+    }
+
+    if (newByte == UserByte) return;   /* already configured */
+
+    FLASH_Unlock();
+    FLASH_ProgramOptionByteData(0x1FFFF802, newByte);
+    FLASH_Lock();
+    printf("Flash/SRAM config changed to %d, resetting...\r\n", mode);
+    NVIC_SystemReset();
+}
+
 u8  MACAddr[6];
 u8  IPAddr[4]   = {192, 168, 1, 10};
 u8  GWIPAddr[4] = {192, 168, 1,  1};
@@ -96,8 +131,7 @@ void TIM2_Init(void)
 {
     TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = {0};
     RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
-    /* 2ms period: matches configTICK_RATE_HZ = 500 */
-    TIM_TimeBaseStructure.TIM_Period        = 2000 - 1;
+    TIM_TimeBaseStructure.TIM_Period        = WCHNETTIMERPERIOD * 1000 - 1;
     TIM_TimeBaseStructure.TIM_Prescaler     = SystemCoreClock / 1000000 - 1;
     TIM_TimeBaseStructure.TIM_ClockDivision = 0;
     TIM_TimeBaseStructure.TIM_CounterMode   = TIM_CounterMode_Up;
@@ -226,6 +260,8 @@ int main(void)
     Delay_Init();
     USART_Printf_Init(115200);
     printf("TCPClient Test\r\nSystemClk:%d\r\n", SystemCoreClock);
+    printf("UserByte: %02x\r\n", FLASH_GetUserOptionByte() & 0xFF);
+    Config_Flash_SRAM(FLASH_128_SRAM_192);
     printf("net version:%x\n", WCHNET_GetVer());
     if (WCHNET_LIB_VER != WCHNET_GetVer()) printf("version error.\n");