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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_irda.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_irda.c | 1326 |
1 files changed, 1326 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_irda.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_irda.c new file mode 100644 index 000000000..e010e6569 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_irda.c @@ -0,0 +1,1326 @@ +/** + ****************************************************************************** + * @file stm32f3xx_hal_irda.c + * @author MCD Application Team + * @version V1.1.0 + * @date 12-Sept-2014 + * @brief IRDA HAL module driver. + * + * This file provides firmware functions to manage the following + * functionalities of the IrDA (Infrared Data Association) Peripheral + * (IRDA) + * + Initialization and de-initialization functions + * + IO operation functions + * + Peripheral Control functions + * + * + @verbatim + =============================================================================== + ##### How to use this driver ##### + =============================================================================== + [..] + The IRDA HAL driver can be used as follows: + + (#) Declare a IRDA_HandleTypeDef handle structure. + (#) Initialize the IRDA low level resources by implementing the HAL_IRDA_MspInit() API + in setting the associated USART or UART in IRDA mode: + (##) Enable the USARTx/UARTx interface clock. + (##) USARTx/UARTx pins configuration: + (+) Enable the clock for the USARTx/UARTx GPIOs. + (+) Configure these USARTx/UARTx pins as alternate function pull-up. + (##) NVIC configuration if you need to use interrupt process (HAL_IRDA_Transmit_IT() + and HAL_IRDA_Receive_IT() APIs): + (+) Configure the USARTx/UARTx interrupt priority. + (+) Enable the NVIC IRDA IRQ handle. + (@) The specific IRDA interrupts (Transmission complete interrupt, + RXNE interrupt and Error Interrupts) will be managed using the macros + __HAL_IRDA_ENABLE_IT() and __HAL_IRDA_DISABLE_IT() inside the transmit and receive process. + (##) DMA Configuration if you need to use DMA process (HAL_IRDA_Transmit_DMA() + and HAL_IRDA_Receive_DMA() APIs): + (+) Declare a DMA handle structure for the Tx/Rx stream. + (+) Enable the DMAx interface clock. + (+) Configure the declared DMA handle structure with the required Tx/Rx parameters. + (+) Configure the DMA Tx/Rx Stream. + (+) Associate the initilalized DMA handle to the IRDA DMA Tx/Rx handle. + (+) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx Stream. + + (#) Program the Baud Rate, Word Length and Parity and Mode(Receiver/Transmitter), + the normal or low power mode and the clock prescaler in the hirda Init structure. + + (#) Initialize the IRDA registers by calling + the HAL_IRDA_Init() API. + + (@) This API (HAL_IRDA_Init()) configures also the low level Hardware (GPIO, CLOCK, CORTEX...etc) + by calling the customized HAL_IRDA_MspInit() API. + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f3xx_hal.h" + +/** @addtogroup STM32F3xx_HAL_Driver + * @{ + */ + +/** @defgroup IRDA IRDA HAL module driver + * @brief HAL IRDA module driver + * @{ + */ +#ifdef HAL_IRDA_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @defgroup IRDA_Private_Constants IRDA Private Constants + * @{ + */ +#define TEACK_REACK_TIMEOUT 1000 +#define IRDA_TXDMA_TIMEOUTVALUE 22000 +#define IRDA_TIMEOUT_VALUE 22000 +#define IRDA_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE \ + | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE)) +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup IRDA_Private_Functions IRDA Private Functions + * @{ + */ +static void IRDA_DMATransmitCplt(DMA_HandleTypeDef *hdma); +static void IRDA_DMAReceiveCplt(DMA_HandleTypeDef *hdma); +static void IRDA_DMAError(DMA_HandleTypeDef *hdma); +static HAL_StatusTypeDef IRDA_SetConfig(IRDA_HandleTypeDef *hirda); +static HAL_StatusTypeDef IRDA_CheckIdleState(IRDA_HandleTypeDef *hirda); +static HAL_StatusTypeDef IRDA_WaitOnFlagUntilTimeout(IRDA_HandleTypeDef *hirda, uint32_t Flag, FlagStatus Status, uint32_t Timeout); +static HAL_StatusTypeDef IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda); +static HAL_StatusTypeDef IRDA_EndTransmit_IT(IRDA_HandleTypeDef *hirda); +static HAL_StatusTypeDef IRDA_Receive_IT(IRDA_HandleTypeDef *hirda); +/** + * @} + */ +/* Exported functions ---------------------------------------------------------*/ + +/** @defgroup IRDA_Exported_Functions IRDA Exported Functions + * @{ + */ + +/** @defgroup IRDA_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + ============================================================================== + ##### Initialization and Configuration functions ##### + ============================================================================== + [..] + This subsection provides a set of functions allowing to initialize the USARTx + in asynchronous IRDA mode. + (+) For the asynchronous mode only these parameters can be configured: + (++) Baud Rate + (++) Word Length + (++) Parity: If the parity is enabled, then the MSB bit of the data written + in the data register is transmitted but is changed by the parity bit. + Depending on the frame length defined by the M bit (8-bits or 9-bits) + or by the M1 and M0 bits (7-bit, 8-bit or 9-bit), + the possible IRDA frame formats are as listed in the following table: + +---------------------------------------------------------------+ + | M bit | PCE bit | IRDA frame | + |-----------|-----------|---------------------------------------| + | 0 | 0 | | SB | 8-bit data | STB | | + |-----------|-----------|---------------------------------------| + | 0 | 1 | | SB | 7-bit data | PB | STB | | + |-----------|-----------|---------------------------------------| + | 1 | 0 | | SB | 9-bit data | STB | | + |-----------|-----------|---------------------------------------| + | 1 | 1 | | SB | 8-bit data | PB | STB | | + +---------------------------------------------------------------+ + | M1M0 bits | PCE bit | IRDA frame | + |-----------------------|---------------------------------------| + | 10 | 0 | | SB | 7-bit data | STB | | + |-----------|-----------|---------------------------------------| + | 10 | 1 | | SB | 6-bit data | PB | STB | | + +---------------------------------------------------------------+ + + (++) Power mode + (++) Prescaler setting + (++) Receiver/transmitter modes + + [..] + The HAL_IRDA_Init() API follows the USART asynchronous configuration procedures + (details for the procedures are available in reference manual). + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the IRDA mode according to the specified + * parameters in the IRDA_InitTypeDef and creates the associated handle . + * @param hirda: IRDA handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Init(IRDA_HandleTypeDef *hirda) +{ + /* Check the IRDA handle allocation */ + if(hirda == HAL_NULL) + { + return HAL_ERROR; + } + + /* Check the USART/UART associated to the IRDA handle */ + assert_param(IS_IRDA_INSTANCE(hirda->Instance)); + + if(hirda->State == HAL_IRDA_STATE_RESET) + { + /* Init the low level hardware : GPIO, CLOCK */ + HAL_IRDA_MspInit(hirda); + } + + hirda->State = HAL_IRDA_STATE_BUSY; + + /* Disable the Peripheral to update the configuration registers */ + __HAL_IRDA_DISABLE(hirda); + + /* Set the IRDA Communication parameters */ + if (IRDA_SetConfig(hirda) == HAL_ERROR) + { + return HAL_ERROR; + } + + /* In IRDA mode, the following bits must be kept cleared: + - LINEN, STOP and CLKEN bits in the USART_CR2 register, + - SCEN and HDSEL bits in the USART_CR3 register.*/ + hirda->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN | USART_CR2_STOP); + hirda->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL); + + /* set the UART/USART in IRDA mode */ + hirda->Instance->CR3 |= USART_CR3_IREN; + + /* Enable the Peripheral */ + __HAL_IRDA_ENABLE(hirda); + + /* TEACK and/or REACK to check before moving hirda->State to Ready */ + return (IRDA_CheckIdleState(hirda)); +} + +/** + * @brief DeInitializes the IRDA peripheral + * @param hirda: IRDA handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_DeInit(IRDA_HandleTypeDef *hirda) +{ + /* Check the IRDA handle allocation */ + if(hirda == HAL_NULL) + { + return HAL_ERROR; + } + + /* Check the USART/UART associated to the IRDA handle */ + assert_param(IS_IRDA_INSTANCE(hirda->Instance)); + + hirda->State = HAL_IRDA_STATE_BUSY; + + /* DeInit the low level hardware */ + HAL_IRDA_MspDeInit(hirda); + /* Disable the Peripheral */ + __HAL_IRDA_DISABLE(hirda); + + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + hirda->State = HAL_IRDA_STATE_RESET; + + /* Process Unlock */ + __HAL_UNLOCK(hirda); + + return HAL_OK; +} + +/** + * @brief IRDA MSP Init + * @param hirda: IRDA handle + * @retval None + */ + __weak void HAL_IRDA_MspInit(IRDA_HandleTypeDef *hirda) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_IRDA_MspInit can be implemented in the user file + */ +} + +/** + * @brief IRDA MSP DeInit + * @param hirda: IRDA handle + * @retval None + */ + __weak void HAL_IRDA_MspDeInit(IRDA_HandleTypeDef *hirda) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_IRDA_MspDeInit can be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup IRDA_Exported_Functions_Group2 Input and Output operation functions + * @brief IRDA Transmit and Receive functions + * +@verbatim + =============================================================================== + ##### I/O operation functions ##### + =============================================================================== + This subsection provides a set of functions allowing to manage the IRDA asynchronous + data transfers. + + (#) There are two modes of transfer: + (+) Blocking mode: the communication is performed in polling mode. + The HAL status of all data processing is returned by the same function + after finishing transfer. + (+) No-Blocking mode: the communication is performed using Interrupts + or DMA, these API's return the HAL status. + The end of the data processing will be indicated through the + dedicated IRDA IRQ when using Interrupt mode or the DMA IRQ when + using DMA mode. + The HAL_IRDA_TxCpltCallback(), HAL_IRDA_RxCpltCallback() user callbacks + will be executed respectivelly at the end of the Transmit or Receive process + The HAL_IRDA_ErrorCallback() user callback will be executed when a communication error is detected + + (#) Blocking mode API's are : + (+) HAL_IRDA_Transmit() + (+) HAL_IRDA_Receive() + + (#) Non-Blocking mode API's with Interrupt are : + (+) HAL_IRDA_Transmit_IT() + (+) HAL_IRDA_Receive_IT() + (+) HAL_IRDA_IRQHandler() + (+) IRDA_Transmit_IT() + (+) IRDA_Receive_IT() + + (#) Non-Blocking mode functions with DMA are : + (+) HAL_IRDA_Transmit_DMA() + (+) HAL_IRDA_Receive_DMA() + + (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: + (+) HAL_IRDA_TxCpltCallback() + (+) HAL_IRDA_RxCpltCallback() + (+) HAL_IRDA_ErrorCallback() + +@endverbatim + * @{ + */ + +/** + * @brief Send an amount of data in blocking mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be sent + * @param Timeout: Duration of the timeout + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Transmit(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout) +{ + uint16_t* tmp; + + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_RX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + + if(hirda->State == HAL_IRDA_STATE_BUSY_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + + hirda->TxXferSize = Size; + hirda->TxXferCount = Size; + while(hirda->TxXferCount > 0) + { + hirda->TxXferCount--; + + if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TXE, RESET, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + if ((hirda->Init.WordLength == IRDA_WORDLENGTH_9B) && (hirda->Init.Parity == IRDA_PARITY_NONE)) + { + tmp = (uint16_t*) pData; + hirda->Instance->TDR = (*tmp & (uint16_t)0x01FF); + pData +=2; + } + else + { + hirda->Instance->TDR = (*pData++ & (uint8_t)0xFF); + } + } + + if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TC, RESET, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_READY; + } + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Receive an amount of data in blocking mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be received + * @param Timeout: Duration of the timeout + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Receive(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout) +{ + uint16_t* tmp; + uint16_t uhMask; + + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_TX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + + if(hirda->State == HAL_IRDA_STATE_BUSY_TX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + + hirda->RxXferSize = Size; + hirda->RxXferCount = Size; + + /* Computation of the mask to apply to the RDR register + of the UART associated to the IRDA */ + __HAL_IRDA_MASK_COMPUTATION(hirda); + uhMask = hirda->Mask; + + /* Check data remaining to be received */ + while(hirda->RxXferCount > 0) + { + hirda->RxXferCount--; + + if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_RXNE, RESET, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + if ((hirda->Init.WordLength == IRDA_WORDLENGTH_9B) && (hirda->Init.Parity == IRDA_PARITY_NONE)) + { + tmp = (uint16_t*) pData ; + *tmp = (uint16_t)(hirda->Instance->RDR & uhMask); + pData +=2; + } + else + { + *pData++ = (uint8_t)(hirda->Instance->RDR & (uint8_t)uhMask); + } + } + + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + else + { + hirda->State = HAL_IRDA_STATE_READY; + } + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Send an amount of data in interrupt mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size) +{ + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_RX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + + hirda->pTxBuffPtr = pData; + hirda->TxXferSize = Size; + hirda->TxXferCount = Size; + + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + if(hirda->State == HAL_IRDA_STATE_BUSY_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + + /* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR); + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + /* Enable the IRDA Transmit Data Register Empty Interrupt */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TXE); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Receive an amount of data in interrupt mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be received + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size) +{ + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_TX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + + hirda->pRxBuffPtr = pData; + hirda->RxXferSize = Size; + hirda->RxXferCount = Size; + + /* Computation of the mask to apply to the RDR register + of the UART associated to the IRDA */ + __HAL_IRDA_MASK_COMPUTATION(hirda); + + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + if(hirda->State == HAL_IRDA_STATE_BUSY_TX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + + /* Enable the IRDA Parity Error Interrupt */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_PE); + + /* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR); + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + /* Enable the IRDA Data Register not empty Interrupt */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_RXNE); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Send an amount of data in DMA mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Transmit_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size) +{ + uint32_t *tmp; + + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_RX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + + hirda->pTxBuffPtr = pData; + hirda->TxXferSize = Size; + hirda->TxXferCount = Size; + + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + + if(hirda->State == HAL_IRDA_STATE_BUSY_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + + /* Set the IRDA DMA transfer complete callback */ + hirda->hdmatx->XferCpltCallback = IRDA_DMATransmitCplt; + + /* Set the DMA error callback */ + hirda->hdmatx->XferErrorCallback = IRDA_DMAError; + + /* Enable the IRDA transmit DMA channel */ + tmp = (uint32_t*)&pData; + HAL_DMA_Start_IT(hirda->hdmatx, *(uint32_t*)tmp, (uint32_t)&hirda->Instance->TDR, Size); + + /* Enable the DMA transfer for transmit request by setting the DMAT bit + in the IRDA CR3 register */ + hirda->Instance->CR3 |= USART_CR3_DMAT; + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Receive an amount of data in DMA mode + * @param hirda: IRDA handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be received + * @note When the IRDA parity is enabled (PCE = 1), the received data contain + * the parity bit (MSB position) + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IRDA_Receive_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size) +{ + uint32_t *tmp; + + if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_TX)) + { + if((pData == HAL_NULL) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hirda); + + hirda->pRxBuffPtr = pData; + hirda->RxXferSize = Size; + + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + if(hirda->State == HAL_IRDA_STATE_BUSY_TX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + + /* Set the IRDA DMA transfer complete callback */ + hirda->hdmarx->XferCpltCallback = IRDA_DMAReceiveCplt; + + /* Set the DMA error callback */ + hirda->hdmarx->XferErrorCallback = IRDA_DMAError; + + /* Enable the DMA channel */ + tmp = (uint32_t*)&pData; + HAL_DMA_Start_IT(hirda->hdmarx, (uint32_t)&hirda->Instance->RDR, *(uint32_t*)tmp, Size); + + /* Enable the DMA transfer for the receiver request by setting the DMAR bit + in the IRDA CR3 register */ + hirda->Instance->CR3 |= USART_CR3_DMAR; + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief This function handles IRDA interrupt request. + * @param hirda: IRDA handle + * @retval None + */ +void HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda) +{ + /* IRDA parity error interrupt occurred -------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_PE) != RESET) && (__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_PE) != RESET)) + { + __HAL_IRDA_CLEAR_IT(hirda, IRDA_CLEAR_PEF); + + hirda->ErrorCode |= HAL_IRDA_ERROR_PE; + /* Set the IRDA state ready to be able to start again the process */ + hirda->State = HAL_IRDA_STATE_READY; + } + + /* IRDA frame error interrupt occured --------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_FE) != RESET) && (__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR) != RESET)) + { + __HAL_IRDA_CLEAR_IT(hirda, IRDA_CLEAR_FEF); + + hirda->ErrorCode |= HAL_IRDA_ERROR_FE; + /* Set the IRDA state ready to be able to start again the process */ + hirda->State = HAL_IRDA_STATE_READY; + } + + /* IRDA noise error interrupt occured --------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_NE) != RESET) && (__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR) != RESET)) + { + __HAL_IRDA_CLEAR_IT(hirda, IRDA_CLEAR_NEF); + + hirda->ErrorCode |= HAL_IRDA_ERROR_NE; + /* Set the IRDA state ready to be able to start again the process */ + hirda->State = HAL_IRDA_STATE_READY; + } + + /* IRDA Over-Run interrupt occured -----------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_ORE) != RESET) && (__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_ERR) != RESET)) + { + __HAL_IRDA_CLEAR_IT(hirda, IRDA_CLEAR_OREF); + + hirda->ErrorCode |= HAL_IRDA_ERROR_ORE; + /* Set the IRDA state ready to be able to start again the process */ + hirda->State = HAL_IRDA_STATE_READY; + } + + /* Call IRDA Error Call back function if need be --------------------------*/ + if(hirda->ErrorCode != HAL_IRDA_ERROR_NONE) + { + HAL_IRDA_ErrorCallback(hirda); + } + + /* IRDA in mode Receiver ---------------------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_RXNE) != RESET) && (__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_RXNE) != RESET)) + { + IRDA_Receive_IT(hirda); + /* Clear RXNE interrupt flag */ + __HAL_IRDA_SEND_REQ(hirda, IRDA_RXDATA_FLUSH_REQUEST); + } + + + /* IRDA in mode Transmitter ------------------------------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_TXE) != RESET) &&(__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_TXE) != RESET)) + { + IRDA_Transmit_IT(hirda); + } + + /* IRDA in mode Transmitter (transmission end) -----------------------------*/ + if((__HAL_IRDA_GET_IT(hirda, IRDA_IT_TC) != RESET) &&(__HAL_IRDA_GET_IT_SOURCE(hirda, IRDA_IT_TC) != RESET)) + { + IRDA_EndTransmit_IT(hirda); + } + +} +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup IRDA_Private_Functions IRDA Private Functions + * @{ + */ + +/** + * @brief DMA IRDA Tx transfer completed callback + * @param hdma: DMA handle + * @retval None + */ +static void IRDA_DMATransmitCplt(DMA_HandleTypeDef *hdma) +{ + IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hirda->TxXferCount = 0; + + /* Disable the DMA transfer for transmit request by setting the DMAT bit + in the IRDA CR3 register */ + hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT); + + /* Wait for IRDA TC Flag */ + if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TC, RESET, IRDA_TXDMA_TIMEOUTVALUE) != HAL_OK) + { + /* Timeout Occured */ + HAL_IRDA_ErrorCallback(hirda); + } + else + { + /* No Timeout */ + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + else + { + hirda->State = HAL_IRDA_STATE_READY; + } + HAL_IRDA_TxCpltCallback(hirda); + } +} + +/** + * @brief DMA IRDA Rx Transfer completed callback + * @param hdma: DMA handle + * @retval None + */ +static void IRDA_DMAReceiveCplt(DMA_HandleTypeDef *hdma) +{ + IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hirda->RxXferCount = 0; + + /* Disable the DMA transfer for the receiver request by setting the DMAR bit + in the IRDA CR3 register */ + hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAR); + + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + else + { + hirda->State = HAL_IRDA_STATE_READY; + } + + HAL_IRDA_RxCpltCallback(hirda); +} + +/** + * @brief DMA IRDA communication error callback + * @param hdma: DMA handle + * @retval None + */ +static void IRDA_DMAError(DMA_HandleTypeDef *hdma) +{ + IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hirda->RxXferCount = 0; + hirda->TxXferCount = 0; + hirda->State= HAL_IRDA_STATE_READY; + hirda->ErrorCode |= HAL_IRDA_ERROR_DMA; + HAL_IRDA_ErrorCallback(hirda); +} +/** + * @} + */ + +/** @addtogroup IRDA_Exported_Functions IRDA Exported Functions + * @{ + */ + +/** @addtogroup IRDA_Exported_Functions_Group2 Input and Output operation functions + * @{ + */ + +/** + * @brief Tx Transfer completed callback + * @param hirda: irda handle + * @retval None + */ + __weak void HAL_IRDA_TxCpltCallback(IRDA_HandleTypeDef *hirda) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_IRDA_TxCpltCallback can be implemented in the user file + */ +} + +/** + * @brief Rx Transfer completed callback + * @param hirda: irda handle + * @retval None + */ +__weak void HAL_IRDA_RxCpltCallback(IRDA_HandleTypeDef *hirda) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_IRDA_TxCpltCallback can be implemented in the user file + */ +} + +/** + * @brief IRDA error callback + * @param hirda: IRDA handle + * @retval None + */ + __weak void HAL_IRDA_ErrorCallback(IRDA_HandleTypeDef *hirda) +{ + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_IRDA_ErrorCallback can be implemented in the user file + */ +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup IRDA_Private_Functions IRDA Private Functions + * @{ + */ + +/** + * @brief Receive an amount of data in non blocking mode. + * Function called under interruption only, once + * interruptions have been enabled by HAL_IRDA_Transmit_IT() + * @param hirda: IRDA handle + * @retval HAL status + */ +static HAL_StatusTypeDef IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda) +{ + uint16_t* tmp; + + if((hirda->State == HAL_IRDA_STATE_BUSY_TX) || (hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)) + { + + if(hirda->TxXferCount == 0) + { + /* Disable the IRDA Transmit Data Register Empty Interrupt */ + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE); + + /* Enable the IRDA Transmit Complete Interrupt */ + __HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC); + + return HAL_OK; + } + else + { + if ((hirda->Init.WordLength == IRDA_WORDLENGTH_9B) && (hirda->Init.Parity == IRDA_PARITY_NONE)) + { + tmp = (uint16_t*) hirda->pTxBuffPtr; + hirda->Instance->TDR = (*tmp & (uint16_t)0x01FF); + hirda->pTxBuffPtr += 2; + } + else + { + hirda->Instance->TDR = (uint8_t)(*hirda->pTxBuffPtr++ & (uint8_t)0xFF); + } + hirda->TxXferCount--; + + return HAL_OK; + } + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Wraps up transmission in non blocking mode. + * @param hirda: pointer to a IRDA_HandleTypeDef structure that contains + * the configuration information for the specified IRDA module. + * @retval HAL status + */ +static HAL_StatusTypeDef IRDA_EndTransmit_IT(IRDA_HandleTypeDef *hirda) +{ + /* Disable the IRDA Transmit Complete Interrupt */ + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TC); + + /* Check if a receive process is ongoing or not */ + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_RX; + } + else + { + /* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */ + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR); + + hirda->State = HAL_IRDA_STATE_READY; + } + + HAL_IRDA_TxCpltCallback(hirda); + + return HAL_OK; +} + + +/** + * @brief Receive an amount of data in non blocking mode. + * Function called under interruption only, once + * interruptions have been enabled by HAL_IRDA_Receive_IT() + * @param hirda: IRDA handle + * @retval HAL status + */ +static HAL_StatusTypeDef IRDA_Receive_IT(IRDA_HandleTypeDef *hirda) +{ + uint16_t* tmp; + uint16_t uhMask = hirda->Mask; + + if ((hirda->State == HAL_IRDA_STATE_BUSY_RX) || (hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)) + { + + if ((hirda->Init.WordLength == IRDA_WORDLENGTH_9B) && (hirda->Init.Parity == IRDA_PARITY_NONE)) + { + tmp = (uint16_t*) hirda->pRxBuffPtr ; + *tmp = (uint16_t)(hirda->Instance->RDR & uhMask); + hirda->pRxBuffPtr +=2; + } + else + { + *hirda->pRxBuffPtr++ = (uint8_t)(hirda->Instance->RDR & (uint8_t)uhMask); + } + + if(--hirda->RxXferCount == 0) + { + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_RXNE); + + if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX) + { + hirda->State = HAL_IRDA_STATE_BUSY_TX; + } + else + { + /* Disable the IRDA Parity Error Interrupt */ + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE); + + /* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */ + __HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR); + + hirda->State = HAL_IRDA_STATE_READY; + } + + HAL_IRDA_RxCpltCallback(hirda); + + return HAL_OK; + } + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @} + */ + +/** @addtogroup IRDA_Exported_Functions IRDA Exported Functions + * @{ + */ + +/** @defgroup IRDA_Exported_Functions_Group3 Peripheral State and Errors functions + * @brief IRDA control functions + * +@verbatim + =============================================================================== + ##### Peripheral State and Error functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the IRDA. + (+) HAL_IRDA_GetState() API can be helpful to check in run-time the state of the IRDA peripheral. + (+) IRDA_SetConfig() API is used to configure the IRDA communications parameters. +@endverbatim + * @{ + */ + +/** + * @brief return the IRDA state + * @param hirda: irda handle + * @retval HAL state + */ +HAL_IRDA_StateTypeDef HAL_IRDA_GetState(IRDA_HandleTypeDef *hirda) +{ + return hirda->State; +} + +/** +* @brief Return the IRDA error code +* @param hirda : pointer to a IRDA_HandleTypeDef structure that contains + * the configuration information for the specified IRDA. +* @retval IRDA Error Code +*/ +uint32_t HAL_IRDA_GetError(IRDA_HandleTypeDef *hirda) +{ + return hirda->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup IRDA_Private_Functions IRDA Private Functions + * @{ + */ + +/** + * @brief Configure the IRDA peripheral + * @param hirda: irda handle + * @retval None + */ +static HAL_StatusTypeDef IRDA_SetConfig(IRDA_HandleTypeDef *hirda) +{ + uint32_t tmpreg = 0x00000000; + IRDA_ClockSourceTypeDef clocksource = IRDA_CLOCKSOURCE_UNDEFINED; + HAL_StatusTypeDef ret = HAL_OK; + + /* Check the communication parameters */ + assert_param(IS_IRDA_BAUDRATE(hirda->Init.BaudRate)); + assert_param(IS_IRDA_WORD_LENGTH(hirda->Init.WordLength)); + assert_param(IS_IRDA_PARITY(hirda->Init.Parity)); + assert_param(IS_IRDA_TX_RX_MODE(hirda->Init.Mode)); + assert_param(IS_IRDA_PRESCALER(hirda->Init.Prescaler)); + assert_param(IS_IRDA_POWERMODE(hirda->Init.PowerMode)); + + /*-------------------------- USART CR1 Configuration -----------------------*/ + /* Configure the IRDA Word Length, Parity and transfer Mode: + Set the M bits according to hirda->Init.WordLength value + Set PCE and PS bits according to hirda->Init.Parity value + Set TE and RE bits according to hirda->Init.Mode value */ + tmpreg = (uint32_t)hirda->Init.WordLength | hirda->Init.Parity | hirda->Init.Mode ; + + MODIFY_REG(hirda->Instance->CR1, IRDA_CR1_FIELDS, tmpreg); + + /*-------------------------- USART CR3 Configuration -----------------------*/ + MODIFY_REG(hirda->Instance->CR3, USART_CR3_IRLP, hirda->Init.PowerMode); + + /*-------------------------- USART GTPR Configuration ----------------------*/ + MODIFY_REG(hirda->Instance->GTPR, USART_GTPR_PSC, hirda->Init.Prescaler); + + /*-------------------------- USART BRR Configuration -----------------------*/ + __HAL_IRDA_GETCLOCKSOURCE(hirda, clocksource); + switch (clocksource) + { + case IRDA_CLOCKSOURCE_PCLK1: + hirda->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK1Freq() / hirda->Init.BaudRate); + break; + case IRDA_CLOCKSOURCE_PCLK2: + hirda->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK2Freq() / hirda->Init.BaudRate); + break; + case IRDA_CLOCKSOURCE_HSI: + hirda->Instance->BRR = (uint16_t)(HSI_VALUE / hirda->Init.BaudRate); + break; + case IRDA_CLOCKSOURCE_SYSCLK: + hirda->Instance->BRR = (uint16_t)(HAL_RCC_GetSysClockFreq() / hirda->Init.BaudRate); + break; + case IRDA_CLOCKSOURCE_LSE: + hirda->Instance->BRR = (uint16_t)(LSE_VALUE / hirda->Init.BaudRate); + break; + case IRDA_CLOCKSOURCE_UNDEFINED: + default: + ret = HAL_ERROR; + break; + } + + return ret; +} + +/** + * @brief Check the IRDA Idle State + * @param hirda: IRDA handle + * @retval HAL status + */ +static HAL_StatusTypeDef IRDA_CheckIdleState(IRDA_HandleTypeDef *hirda) +{ + + /* Initialize the IRDA ErrorCode */ + hirda->ErrorCode = HAL_IRDA_ERROR_NONE; + + /* Check if the Transmitter is enabled */ + if((hirda->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) + { + /* Wait until TEACK flag is set */ + if(IRDA_WaitOnFlagUntilTimeout(hirda, USART_ISR_TEACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) + { + /* Timeout Occured */ + return HAL_TIMEOUT; + } + } + /* Check if the Receiver is enabled */ + if((hirda->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) + { + if(IRDA_WaitOnFlagUntilTimeout(hirda, USART_ISR_REACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) + { + /* Timeout Occured */ + return HAL_TIMEOUT; + } + } + + /* Initialize the IRDA state*/ + hirda->State= HAL_IRDA_STATE_READY; + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_OK; +} + +/** + * @brief Handle IRDA Communication Timeout. + * @param hirda: IRDA handle + * @param Flag: specifies the IRDA flag to check. + * @param Status: the flag status (SET or RESET). The function is locked in a while loop as long as the flag remains set to Status. + * @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 = 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_TIMEOUT; + + /* 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_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hirda); + + return HAL_TIMEOUT; + } + } + } + } + return HAL_OK; +} + +/** + * @} + */ + +#endif /* HAL_IRDA_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |