Hello,
I am using AT command for ESP8266. First, I am sending AT\r\n in main.c and receiving with interrupt Rx. After receiving first response, I am going on to transmit second AT command inside HAL_UART_RxCpltCallback. Everything was good with this method. But when I start to check the response and sending other command according to this response inside HAL_UART_RxCpltCallback, the responses has lost some letters.
I know that the reason of this loss is the control codes inside the part of if(RECEIVE_TAMAMLANDI==1) . I add ' this if condition which is waiting all receive data has completed 'to this control code. (I dont use this if condition, I can not get even first response properly.)
But I can not find any solution for understanding all data has come and it is possible to make RECEIVE_TAMAMLANDI set. I tried to check RXNE flag ,controll the change of rx_index but ıt does not work.
(Btw the commands which I will send has not specific lenght because of this I sent them byte to byte with rx interrupt)
If you have any idea,please share with me.Thanks in advance.
/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
if(huart->Instance==USART2)
{
HAL_UART_Receive_IT(&huart2,&rx_data, 1);
Receive_Data[rx_index]=rx_data;
rx_index++;
// UART_WaitOnFlagUntilTimeout(&huart2,UART_FLAG_RXNE,RESET,0,100);
// if(__HAL_UART_GET_FLAG(&huart2,UART_FLAG_RXNE)==0){RECEIVE_TAMAMLANDI=1}
if(RECEIVE_TAMAMLANDI==1) //wait all data has come
{
char *Resp1_serverconnect=strstr(Receive_Data,CIPSTART_Response_2);
char *Resp2_serverconnect=strstr(Receive_Data,CIPSTART_Response_1);
if( Resp1_serverconnect !=0 || Resp2_serverconnect!=0 ) //check if comman'already connected ' has come
{
HAL_UART_Transmit(&huart2, (uint8_t*)"AT+CIPSEND=4\r\n",strlen("AT+CIPSEND=4\r\n"),100);
yedek=1;ayedek=2;
}
else //ERROR send command providing connect to server
{
HAL_UART_Transmit(&huart2, (uint8_t*)"AT+CIPSTART=\"TCP\",\"192.168.0.28\",1234\r\n",strlen("AT+CIPSTART=\"TCP\",\"192.168.0.28\",1234\r\n"),10);
}
}
}
}
/* USER CODE END 4 */
