lora_bl/Core/Src/E52.c

//
// Created by EDZ on 25-9-11.
//

#include "../Inc/E52.h"

void E52_Analyze_Data() {
    // uint16_t received_len = sizeof(rx_buf_uart2) - __HAL_DMA_GET_COUNTER(huart2.hdmarx);

    if (rx_buf_uart2[0] == 0x55 && rx_buf_uart2[1] == 0xAA) {
        printf("The data is command\r\n");
    }else if (strncmp((char *)rx_buf_uart2, "SUCCESS", 7) == 0) {
        printf("The data is a callback\r\n");
    }else if (rx_buf_uart2[0] == 'A' && rx_buf_uart2[1] == 'T') {
        printf("The data is AT data\r\n");
    }else {
        printf("The data is other data\r\n");
    }
    // 清空缓冲区（可选）
    memset(rx_buf_uart2, 0, sizeof(rx_buf_uart2));
    // 重新开启 DMA 接收
    HAL_UART_Receive_DMA(&huart2, rx_buf_uart2, sizeof(rx_buf_uart2));
}