// // 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)); }