copyZ_zstm32uart_irq_rx_service/zstm32uart_irq_rx_service.c

#include "zstm32uart_irq_rx_service.h"
__weak void HOOK_ZUART_RxCpltCallback(UART_HandleTypeDef* huart, uint8_t rxdata) {}

static zstm32uart_t* s_table;
static int s_table_size;

/**
 * @brief 串口相关衔接点处理
 */
static inline void start_receive(UART_HandleTypeDef* huart) {
  for (size_t i = 0; i < s_table_size; i++) {
    if (huart == s_table[i].huart) {
      HAL_UART_Receive_IT(s_table[i].huart, &s_table->rxbuf, 1);
      return;
    }
  }
}

static inline uint8_t getrxdata(UART_HandleTypeDef* huart) {
  for (size_t i = 0; i < s_table_size; i++) {
    if (huart == s_table[i].huart) {
      return s_table[i].rxbuf;
    }
  }
  //代码如果走到这里，说明某个串口中断被触发了，但却没有登记该串口
  return 0;
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef* huart) {
  HOOK_ZUART_RxCpltCallback(huart, getrxdata(huart));
  start_receive(huart);
}

void uart_service_start_all_uart_rx(zstm32uart_t* table, int size) {
  s_table = table;
  s_table_size = size;
  for (size_t i = 0; i < s_table_size; i++) {
    HAL_UART_Receive_IT(s_table[i].huart, &s_table->rxbuf, 1);
  }
}