USART — USART_HyperTerminal_IT

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#include "main.h"
#define COUNTOF(__BUFFER__)   (sizeof(__BUFFER__) / sizeof(*(__BUFFER__)))
#define TXSTARTMESSAGESIZE    (COUNTOF(aTxStartMessage) - 1)
#define TXENDMESSAGESIZE      (COUNTOF(aTxEndMessage) - 1)

int main(void)
{
  /* Reset of all peripherals, Initializes the Systick. */
  HAL_Init();
  
  /* Configure LED */
  BSP_LED_Init(LED_GREEN);
  
  /* USART initialization */
  UartHandle.Instance          = USART1;
  UartHandle.Init.BaudRate     = 115200;
  UartHandle.Init.WordLength   = UART_WORDLENGTH_8B;
  UartHandle.Init.StopBits     = UART_STOPBITS_1;
  UartHandle.Init.Parity       = UART_PARITY_NONE;
  UartHandle.Init.HwFlowCtl    = UART_HWCONTROL_NONE;
  UartHandle.Init.Mode         = UART_MODE_TX_RX;
  UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
  UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  HAL_UART_Init(&UartHandle);
  
  /* Start the transmission process */
  if(HAL_UART_Transmit_IT(&UartHandle, (uint8_t*)aTxStartMessage, TXSTARTMESSAGESIZE)!= HAL_OK)
  {
    /* Transfer error in transmission process */
    APP_ErrorHandler();
  }

  /* Put UART peripheral in reception process */
  if(HAL_UART_Receive_IT(&UartHandle, (uint8_t *)aRxBuffer, 12) != HAL_OK)
  {
    /* Transfer error in reception process */
    APP_ErrorHandler();
  }

  /* Wait for the end of the transfer */
  while (HAL_UART_GetState(&UartHandle) != HAL_UART_STATE_READY)
  {
  }

  /* Send the received Buffer */
  if(HAL_UART_Transmit_IT(&UartHandle, (uint8_t*)aRxBuffer, 12)!= HAL_OK)
  {
    /* Transfer error in transmission process */
    APP_ErrorHandler();
  }

  /* Wait for the end of the transfer */
  while (HAL_UART_GetState(&UartHandle) != HAL_UART_STATE_READY)
  {
  }

  /* Send the End Message */
  if(HAL_UART_Transmit_IT(&UartHandle, (uint8_t*)aTxEndMessage, TXENDMESSAGESIZE)!= HAL_OK)
  {
    /* Transfer error in transmission process */
    APP_ErrorHandler();
  }

  /* Wait for the end of the transfer */
  while (HAL_UART_GetState(&UartHandle) != HAL_UART_STATE_READY)
  {
  }
  
  /* Turn on LED if test passes then enter infinite loop */
  BSP_LED_On(LED_GREEN);
  
  /* Infinite loop */
  while (1)
  {

  }
}