62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
#ifndef MINI212G2_H_
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#define MINI212G2_H_
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#include "ch32v30x.h"
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/* ---- Temporary debug wiring option ----
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* Set to 1 to use USART3 (PB10=TX PB11=RX) for sensor communication.
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* This steals the debug printf port — use JTAG debugger for observation.
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* Set to 0 for normal operation (USART2 / PA2+PA3). */
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#define SENSOR_USE_USART3 0
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/* Set to 1 to enable UART commands to configure sensor at boot.
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* Set to 0 if sensor is pre-configured via USB to auto-output CMOS/DVP.
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* Automatically forced to 1 when SENSOR_USE_USART3 is enabled. */
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#if SENSOR_USE_USART3
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#define SENSOR_UART_ENABLE 1
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#define SENSOR_UART USART3
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#else
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#define SENSOR_UART_ENABLE 0
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#define SENSOR_UART USART2
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#endif
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#define SENSOR_UART_BAUD 115200
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/**
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* Initialize sensor. When SENSOR_UART_ENABLE=1, configures via UART.
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* When SENSOR_UART_ENABLE=0, assumes sensor is pre-configured via USB.
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* Call BEFORE DVP_Init(). Returns 0 on success.
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*/
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int Mini212G2_Init(void);
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/* Debug variables — inspect via JTAG debugger when printf is unavailable.
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* sensor_init_ok: number of commands that succeeded
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* sensor_init_fail: number of commands that failed
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* sensor_last_resp[]: raw bytes of last failed response
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* sensor_last_resp_len: length of last response */
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extern volatile uint8_t sensor_init_ok;
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extern volatile uint8_t sensor_init_fail;
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extern volatile uint8_t sensor_last_resp[32];
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extern volatile uint8_t sensor_last_resp_len;
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/* sensor_comm_test: 0=not run, 1=got response, 0xFF=no response (timeout) */
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extern volatile uint8_t sensor_comm_test;
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#if SENSOR_UART_ENABLE
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/**
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* Send a raw protocol command and wait for ACK.
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* Returns 0 on ACK received, -1 on timeout/bad response.
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*/
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int Mini212G2_SendCmd(const uint8_t *cmd, uint8_t len);
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/**
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* Query current digital video settings. Prints result to debug console.
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*/
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void Mini212G2_PrintDigitalVideoStatus(void);
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/**
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* Trigger shutter compensation (NUC).
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*/
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int Mini212G2_ShutterCompensation(void);
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#endif /* SENSOR_UART_ENABLE */
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#endif
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