/**
* @brief This function handles IRDA Communication Timeout.
* @param hirda: Pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @param Flag: specifies the IRDA flag to check.
* @param Status: The new Flag status (SET or RESET).
* @param Timeout: Timeout duration
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_WaitOnFlagUntilTimeout(IRDA_HandleTypeDef *hirda, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
{
uint32_t tickstart = 0;
/* Get tick */
tickstart = HAL_GetTick();
/* Wait until flag is set */
if(Status == RESET)
{
while(__HAL_IRDA_GET_FLAG(hirda, Flag) == RESET)
{
/* Check for the Timeout */
if(Timeout != HAL_MAX_DELAY)
{
if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
{
/* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_RXNE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
hirda->State= HAL_IRDA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hirda);
return HAL_TIMEOUT;
}
}
}
}
else
{
while(__HAL_IRDA_GET_FLAG(hirda, Flag) != RESET)
{
/* Check for the Timeout */
if(Timeout != HAL_MAX_DELAY)
{
if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
{
/* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_RXNE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
hirda->State= HAL_IRDA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hirda);
return HAL_TIMEOUT;
}
}
}
}
return HAL_OK;
}
/**
* @brief Handle IRDA Communication Timeout.
* @param hirda Pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @param Flag Specifies the IRDA flag to check.
* @param Status the new flag status (SET or RESET). The function is locked in a while loop as long as the flag remains set to Status.
* @param Tickstart Tick start value
* @param Timeout Timeout duration
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_WaitOnFlagUntilTimeout(IRDA_HandleTypeDef *hirda, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout)
{
/* Wait until flag is set */
while((__HAL_IRDA_GET_FLAG(hirda, Flag) ? SET : RESET) == Status)
{
/* Check for the Timeout */
if(Timeout != HAL_MAX_DELAY)
{
if((Timeout == 0) || ((HAL_GetTick()-Tickstart) > Timeout))
{
/* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
CLEAR_BIT(hirda->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE));
CLEAR_BIT(hirda->Instance->CR3, USART_CR3_EIE);
hirda->gState= HAL_IRDA_STATE_READY;
hirda->RxState= HAL_IRDA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hirda);
return HAL_TIMEOUT;
}
}
}
return HAL_OK;
}
/**
* @brief This function handles IRDA interrupt request.
* @param hirda: Pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @retval None
*/
void HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda)
{
uint32_t tmp_flag = 0, tmp_it_source = 0;
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_PE);
tmp_it_source = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_PE);
/* IRDA parity error interrupt occurred -----------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
hirda->ErrorCode |= HAL_IRDA_ERROR_PE;
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_FE);
tmp_it_source = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR);
/* IRDA frame error interrupt occurred ------------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
hirda->ErrorCode |= HAL_IRDA_ERROR_FE;
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_NE);
/* IRDA noise error interrupt occurred ------------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
hirda->ErrorCode |= HAL_IRDA_ERROR_NE;
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_ORE);
/* IRDA Over-Run interrupt occurred ---------------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
hirda->ErrorCode |= HAL_IRDA_ERROR_ORE;
}
/* Call the Error call Back in case of Errors */
if(hirda->ErrorCode != HAL_IRDA_ERROR_NONE)
{
/* Disable PE and ERR interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
/* Clear all the error flag at once */
__HAL_IRDA_CLEAR_PEFLAG(hirda);
/* Set the IRDA state ready to be able to start again the process */
hirda->State = HAL_IRDA_STATE_READY;
HAL_IRDA_ErrorCallback(hirda);
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_RXNE);
tmp_it_source = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_RXNE);
/* IRDA in mode Receiver --------------------------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
IRDA_Receive_IT(hirda);
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_TXE);
tmp_it_source = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_TXE);
/* IRDA in mode Transmitter -----------------------------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
IRDA_Transmit_IT(hirda);
}
tmp_flag = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_TC);
tmp_it_source = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_TC);
/* IRDA in mode Transmitter (transmission end) -----------------------------*/
if((tmp_flag != RESET) && (tmp_it_source != RESET))
{
IRDA_EndTransmit_IT(hirda);
}
}
/**
* @brief This function handles IRDA interrupt request.
* @param hirda: pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @retval None
*/
void HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda)
{
uint32_t tmp1 = 0, tmp2 =0;
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_PE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_PE);
/* IRDA parity error interrupt occurred -------------------------------------*/
if((tmp1 != RESET) && (tmp2 != RESET))
{
__HAL_IRDA_CLEAR_PEFLAG(hirda);
hirda->ErrorCode |= HAL_IRDA_ERROR_PE;
}
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_FE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR);
/* IRDA frame error interrupt occurred --------------------------------------*/
if((tmp1 != RESET) && (tmp2 != RESET))
{
__HAL_IRDA_CLEAR_FEFLAG(hirda);
hirda->ErrorCode |= HAL_IRDA_ERROR_FE;
}
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_NE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR);
/* IRDA noise error interrupt occurred --------------------------------------*/
if((tmp1 != RESET) && (tmp2 != RESET))
{
__HAL_IRDA_CLEAR_NEFLAG(hirda);
hirda->ErrorCode |= HAL_IRDA_ERROR_NE;
}
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_ORE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR);
/* IRDA Over-Run interrupt occurred -----------------------------------------*/
if((tmp1 != RESET) && (tmp2 != RESET))
{
__HAL_IRDA_CLEAR_OREFLAG(hirda);
hirda->ErrorCode |= HAL_IRDA_ERROR_ORE;
}
/* Call the Error call Back in case of Errors */
if(hirda->ErrorCode != HAL_IRDA_ERROR_NONE)
{
/* Set the IRDA state ready to be able to start again the process */
hirda->State = HAL_IRDA_STATE_READY;
HAL_IRDA_ErrorCallback(hirda);
}
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_RXNE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_RXNE);
/* IRDA in mode Receiver ---------------------------------------------------*/
if((tmp1 != RESET) && (tmp2 != RESET))
{
IRDA_Receive_IT(hirda);
}
tmp1 = __HAL_IRDA_GET_FLAG(hirda, IRDA_FLAG_TXE);
tmp2 = __HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_TXE);
/* IRDA in mode Transmitter ------------------------------------------------*/
if((tmp1 != RESET) &&(tmp2 != RESET))
{
IRDA_Transmit_IT(hirda);
}
}