mini7_V2/DriverInterface/van_BSP_ESPUart.c

/*
 * uart_rcv.c
 *
 *  Created on: 2022年4月20日
 *      Author: dell
 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "onechip_include_header.h"



uint8_t g_wifi_rx_buf[WIFI_RX_BUF_SIZE];
uint8_t g_wifi_rx_len;

void esp_receive_Rec_IDLE(UART_HandleTypeDef *huart)
{
	if ((__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE) != RESET))
	{
		__HAL_UART_CLEAR_IDLEFLAG(huart);
		g_wifi_rx_len		= WIFI_RX_BUF_SIZE - __HAL_DMA_GET_COUNTER(huart->hdmarx);
		HAL_UART_DMAStop(huart); 
		HAL_UART_Receive_DMA(huart, g_wifi_rx_buf, WIFI_RX_BUF_SIZE);	
	}
}



void wifi_receive_clear(void){
	memset(g_wifi_rx_buf,0,WIFI_RX_BUF_SIZE);
	g_wifi_rx_len = 0;
}




void esp_receive_Rec_Start(UART_HandleTypeDef *huart){
		__HAL_UART_CLEAR_IDLEFLAG(huart);
	  memset((char *)g_wifi_rx_buf,0,WIFI_RX_BUF_SIZE);
		HAL_UART_Receive_DMA(huart, g_wifi_rx_buf, WIFI_RX_BUF_SIZE);	
	__HAL_UART_ENABLE_IT(huart, UART_IT_IDLE);
}