HAL IRDA I/O operations migration ¶
This section provides information about the HAL IRDA I/O operations migration.
Important
In HAL2, the IRDA driver is removed, and IRDA functionalities are integrated within the HAL UART driver.
Note
The main difference between HAL1 and HAL2 in all transmit and receive functions (polling, interrupt, or DMA) is the way buffer size is specified.
HAL1 uses
Size
for the number of data elements (u8 or u16), while HAL2 uses
Size_byte
to specify the buffer size in bytes, allowing more precise control.
Process polling ¶
|
Function |
HAL1 / HAL2 |
|---|---|
|
Transmit |
HAL1: HAL_IRDA_Transmit(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size, uint32_t Timeout)
HAL2: HAL_UART_Transmit(hal_uart_handle_t *huart, const void *p_data, uint32_t size_byte, uint32_t timeout_ms)
|
|
Receive |
HAL1: HAL_IRDA_Receive(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout)
HAL2: HAL_UART_Receive(hal_uart_handle_t *huart, void *p_data, uint32_t size_byte, uint32_t timeout_ms)
|
Related use cases: Use case: IRDA communication in polling mode
Process IT ¶
|
Function |
HAL1 / HAL2 |
|---|---|
|
Transmit IT |
HAL1: HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size)
HAL2: HAL_UART_Transmit_IT(hal_uart_handle_t *huart, const void *p_data, uint32_t size_byte)
|
|
Receive IT |
HAL1: HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
HAL2: HAL_UART_Receive_IT(hal_uart_handle_t *huart, void *p_data, uint32_t size_byte)
|
Related use cases: Use case: IRDA transmit in interrupt mode and Use case: IRDA receive in interrupt mode
Process DMA ¶
|
Function |
HAL1 / HAL2 |
|---|---|
|
Transmit DMA |
HAL1: HAL_IRDA_Transmit_DMA(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size)
HAL2: HAL_UART_Transmit_DMA(hal_uart_handle_t *huart, const void *p_data, uint32_t size_byte)
|
|
Receive DMA |
HAL1: HAL_IRDA_Receive_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
HAL2: HAL_UART_Receive_DMA(hal_uart_handle_t *huart, void *p_data, uint32_t size_byte)
|
|
Pause DMA |
HAL1: HAL_IRDA_DMAPause(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_Pause_DMA(hal_uart_handle_t *huart)
|
|
Resume DMA |
HAL1: HAL_IRDA_DMAResume(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_Resume_DMA(hal_uart_handle_t *huart)
|
Related use cases: Use case: IRDA transmit in DMA mode and Use case: IRDA receive in DMA mode
DMA stop ¶
|
HAL1 |
HAL2 |
|---|---|
HAL_IRDA_DMAStop(IRDA_HandleTypeDef *hirda)
|
Removed in HAL2
This function’s functionality is already covered by
|
Transfer abort ¶
|
Function |
HAL1 / HAL2 |
|---|---|
|
Abort |
HAL1: HAL_IRDA_Abort(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_Abort(hal_uart_handle_t *huart)
|
|
Abort Transmit |
HAL1: HAL_IRDA_AbortTransmit(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortTransmit(hal_uart_handle_t *huart)
|
|
Abort Receive |
HAL1: HAL_IRDA_AbortReceive(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortReceive(hal_uart_handle_t *huart)
|
|
Abort IT |
HAL1: HAL_IRDA_Abort_IT(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_Abort_IT(hal_uart_handle_t *huart)
|
|
Abort Transmit IT |
HAL1: HAL_IRDA_AbortTransmit_IT(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortTransmit_IT(hal_uart_handle_t *huart)
|
|
Abort Receive IT |
HAL1: HAL_IRDA_AbortReceive_IT(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortReceive_IT(hal_uart_handle_t *huart)
|
IRQ handler ¶
|
Function |
HAL1 / HAL2 |
|---|---|
|
IRQ Handler |
HAL1: HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_IRQHandler(hal_uart_handle_t *huart)
|
Register callbacks ¶
|
HAL1 |
HAL2 |
|---|---|
|
In HAL1, the function
|
In HAL2, separate functions are available to register each specific IRDA callback, providing more granularity and control over the callback registration process. |
// Register Tx Half Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_TX_HALFCOMPLETE_CB_ID,
TxHalfTransferCpltCallback);
// Register Tx Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_TX_COMPLETE_CB_ID,
TxTransferCpltCallback);
// Register Rx Half Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_RX_HALFCOMPLETE_CB_ID,
RxHalfTransferCpltCallback);
// Register Rx Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_RX_COMPLETE_CB_ID,
RxTransferCpltCallback);
// Register Error Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_ERROR_CB_ID,
ErrorCallback);
// Register Abort Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_ABORT_COMPLETE_CB_ID,
AbortCpltCallback);
// Register Abort Transmit Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_ABORT_TRANSMIT_COMPLETE_CB_ID,
AbortTransmitCpltCallback);
// Register Abort Receive Complete Callback
HAL_IRDA_RegisterCallback(&irda_handle,
HAL_IRDA_ABORT_RECEIVE_COMPLETE_CB_ID,
AbortReceiveCpltCallback);
|
// Register Tx Half Complete Callback
HAL_UART_RegisterTxHalfCpltCallback(&huart_handle, TxHalfTransferCpltCallback);
// Register Tx Complete Callback
HAL_UART_RegisterTxCpltCallback(&huart_handle, TxTransferCpltCallback);
// Register Rx Half Complete Callback
HAL_UART_RegisterRxHalfCpltCallback(&huart_handle, RxHalfTransferCpltCallback);
// Register Rx Complete Callback
HAL_UART_RegisterRxCpltCallback(&huart_handle, RxTransferCpltCallback);
// Register Error Callback
HAL_UART_RegisterErrorCallback(&huart_handle, ErrorCallback);
// Register Abort Complete Callback
HAL_UART_RegisterAbortCpltCallback(&huart_handle, AbortCpltCallback);
// Register Abort Transmit Complete Callback
HAL_UART_RegisterAbortTransmitCpltCallback(&huart_handle, AbortTransmitCpltCallback);
// Register Abort Receive Complete Callback
HAL_UART_RegisterAbortReceiveCpltCallback(&huart_handle, AbortReceiveCpltCallback);
|
Related concepts: Individual callback registration APIs replace global register and unregister functions
UnRegister Callbacks ¶
In HAL2, the unregister callback API has been removed. Instead, users can manage callbacks by re-registering the default HAL UART weak callbacks as needed.
|
HAL1 |
HAL2 |
|---|---|
// Unregister Tx Half Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_TX_HALFCOMPLETE_CB_ID);
// Unregister Tx Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_TX_COMPLETE_CB_ID);
// Unregister Rx Half Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_RX_HALFCOMPLETE_CB_ID);
// Unregister Rx Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_RX_COMPLETE_CB_ID);
// Unregister Error Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_ERROR_CB_ID);
// Unregister Abort Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_ABORT_COMPLETE_CB_ID);
// Unregister Abort Transmit Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_ABORT_TRANSMIT_COMPLETE_CB_ID);
// Unregister Abort Receive Complete Callback
HAL_IRDA_UnRegisterCallback(&irda_handle,
HAL_IRDA_ABORT_RECEIVE_COMPLETE_CB_ID);
|
// Re-register default Tx Half Complete Callback
HAL_UART_RegisterTxHalfCpltCallback(&huart_handle,
HAL_UART_TxHalfCpltCallback);
// Re-register default Tx Complete Callback
HAL_UART_RegisterTxCpltCallback(&huart_handle,
HAL_UART_TxCpltCallback);
// Re-register default Rx Half Complete Callback
HAL_UART_RegisterRxHalfCpltCallback(&huart_handle,
HAL_UART_RxHalfCpltCallback);
// Re-register default Rx Complete Callback
HAL_UART_RegisterRxCpltCallback(&huart_handle,
HAL_UART_RxCpltCallback);
// Re-register default Error Callback
HAL_UART_RegisterErrorCallback(&huart_handle,
HAL_UART_ErrorCallback);
// Re-register default Abort Complete Callback
HAL_UART_RegisterAbortCpltCallback(&huart_handle,
HAL_UART_AbortCpltCallback);
// Re-register default Abort Transmit Complete Callback
HAL_UART_RegisterAbortTransmitCpltCallback(&huart_handle,
HAL_UART_AbortTransmitCpltCallback);
// Re-register default Abort Receive Complete Callback
HAL_UART_RegisterAbortReceiveCpltCallback(&huart_handle,
HAL_UART_AbortReceiveCpltCallback);
|
Related concepts: Individual callback registration APIs replace global register and unregister functions.
Default Callbacks ¶
The following table lists the HAL UART default callback functions, indicating those that remain unchanged between HAL1 and HAL2.
|
Function |
HAL1 / HAL2 |
|---|---|
|
TX Half Complete Callback |
HAL1: HAL_IRDA_TxHalfCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_TxHalfCpltCallback(hal_uart_handle_t *huart)
|
|
TX Complete Callback |
HAL1: HAL_IRDA_TxCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_TxCpltCallback(hal_uart_handle_t *huart)
|
|
RX Half Complete Callback |
HAL1: HAL_IRDA_RxHalfCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_RxHalfCpltCallback(hal_uart_handle_t *huart)
|
|
RX Complete Callback |
HAL1: HAL_IRDA_RxCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: void HAL_UART_RxCpltCallback(hal_uart_handle_t *huart, uint32_t size_byte,
hal_uart_rx_event_types_t rx_event)
|
|
Error Callback |
HAL1: HAL_IRDA_ErrorCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_ErrorCallback(hal_uart_handle_t *huart)
|
|
Abort Complete Callback |
HAL1: HAL_IRDA_AbortCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortCpltCallback(hal_uart_handle_t *huart)
|
|
Abort Transmit Complete Callback |
HAL1: HAL_IRDA_AbortTransmitCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortTransmitCpltCallback(hal_uart_handle_t *huart)
|
|
Abort Receive Complete Callback |
HAL1: HAL_IRDA_AbortReceiveCpltCallback(IRDA_HandleTypeDef *hirda)
HAL2: HAL_UART_AbortReceiveCpltCallback(hal_uart_handle_t *huart)
|