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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_smartcard.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_smartcard.c | 1324 |
1 files changed, 0 insertions, 1324 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_smartcard.c b/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_smartcard.c deleted file mode 100644 index 4a599699f6..0000000000 --- a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_smartcard.c +++ /dev/null @@ -1,1324 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f7xx_hal_smartcard.c - * @author MCD Application Team - * @version V1.0.1 - * @date 25-June-2015 - * @brief SMARTCARD HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the SMARTCARD peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral State and Errors functions - * - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The SMARTCARD HAL driver can be used as follow: - - (#) Declare a SMARTCARD_HandleTypeDef handle structure. - (#) Associate a USART to the SMARTCARD handle hsc. - (#) Initialize the SMARTCARD low level resources by implementing the HAL_SMARTCARD_MspInit() API: - (##) Enable the USARTx interface clock. - (##) SMARTCARD pins configuration: - (+++) Enable the clock for the SMARTCARD GPIOs. - (+++) Configure these SMARTCARD pins as alternate function pull-up. - (##) NVIC configuration if you need to use interrupt process (HAL_SMARTCARD_Transmit_IT() - and HAL_SMARTCARD_Receive_IT() APIs): - (+++) Configure the USARTx interrupt priority. - (+++) Enable the NVIC USART IRQ handle. - (+++) The specific USART interrupts (Transmission complete interrupt, - RXNE interrupt and Error Interrupts) will be managed using the macros - __HAL_SMARTCARD_ENABLE_IT() and __HAL_SMARTCARD_DISABLE_IT() inside the transmit and receive process. - (##) DMA Configuration if you need to use DMA process (HAL_SMARTCARD_Transmit_DMA() - and HAL_SMARTCARD_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 initialized DMA handle to the SMARTCARD 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, Parity, Mode(Receiver/Transmitter), clock enabling/disabling and accordingly, - the clock parameters (parity, phase, last bit), prescaler value, guard time and NACK on transmission - error enabling or disabling in the hsc Init structure. - - (#) If required, program SMARTCARD advanced features (TX/RX pins swap, TimeOut, auto-retry counter,...) - in the hsc AdvancedInit structure. - - (#) Initialize the SMARTCARD associated USART registers by calling - the HAL_SMARTCARD_Init() API. - - [..] - (@) HAL_SMARTCARD_Init() API also configure also the low level Hardware GPIO, CLOCK, CORTEX...etc) by - calling the customized HAL_SMARTCARD_MspInit() API. - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 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 "stm32f7xx_hal.h" - -/** @addtogroup STM32F7xx_HAL_Driver - * @{ - */ - -/** @defgroup SMARTCARD SMARTCARD - * @brief HAL USART SMARTCARD module driver - * @{ - */ -#ifdef HAL_SMARTCARD_MODULE_ENABLED -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup SMARTCARD_Private_Constants SMARTCARD Private Constants - * @{ - */ -#define TEACK_REACK_TIMEOUT 1000 -#define HAL_SMARTCARD_TXDMA_TIMEOUTVALUE 22000 -#define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ - USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) -#define USART_CR2_CLK_FIELDS ((uint32_t)(USART_CR2_CLKEN|USART_CR2_CPOL|USART_CR2_CPHA|USART_CR2_LBCL)) -#define USART_CR2_FIELDS ((uint32_t)(USART_CR2_RTOEN|USART_CR2_CLK_FIELDS|USART_CR2_STOP)) -#define USART_CR3_FIELDS ((uint32_t)(USART_CR3_ONEBIT|USART_CR3_NACK|USART_CR3_SCARCNT)) -/** - * @} - */ -/* Private macros -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @addtogroup SMARTCARD_Private_Functions - * @{ - */ -static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma); -static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma); -static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma); -static void SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsc); -static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout); -static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsc); -static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc); -static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc); -static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsc); -/** - * @} - */ -/* Exported functions --------------------------------------------------------*/ -/** @defgroup SMARTCARD_Exported_Functions SMARTCARD Exported Functions - * @{ - */ - -/** @defgroup SMARTCARD_Exported_Functions_Group1 SmartCard 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 USART - associated to the SmartCard. - (+) These parameters can be configured: - (++) Baud Rate - (++) Parity: parity should be enabled, - Frame Length is fixed to 8 bits plus parity: - the USART frame format is given in the following table: - - (+++) +---------------------------------------------------------------+ - (+++) | M1M0 bits | PCE bit | USART frame | - (+++) |-----------------------|---------------------------------------| - (+++) | 01 | 1 | | SB | 8 bit data | PB | STB | | - (+++) +---------------------------------------------------------------+ - - (++) Receiver/transmitter modes - (++) Synchronous mode (and if enabled, phase, polarity and last bit parameters) - (++) Prescaler value - (++) Guard bit time - (++) NACK enabling or disabling on transmission error - - (+) The following advanced features can be configured as well: - (++) TX and/or RX pin level inversion - (++) data logical level inversion - (++) RX and TX pins swap - (++) RX overrun detection disabling - (++) DMA disabling on RX error - (++) MSB first on communication line - (++) Time out enabling (and if activated, timeout value) - (++) Block length - (++) Auto-retry counter - - [..] - The HAL_SMARTCARD_Init() API follow respectively the USART (a)synchronous configuration procedures - (details for the procedures are available in reference manual). - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the SMARTCARD mode according to the specified - * parameters in the SMARTCARD_InitTypeDef and create the associated handle . - * @param hsc: SMARTCARD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsc) -{ - /* Check the SMARTCARD handle allocation */ - if(hsc == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance)); - - if(hsc->State == HAL_SMARTCARD_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hsc->Lock = HAL_UNLOCKED; - /* Init the low level hardware : GPIO, CLOCK, CORTEX */ - HAL_SMARTCARD_MspInit(hsc); - } - - hsc->State = HAL_SMARTCARD_STATE_BUSY; - - /* Disable the Peripheral */ - __HAL_SMARTCARD_DISABLE(hsc); - - /* Set the SMARTCARD Communication parameters */ - SMARTCARD_SetConfig(hsc); - - if(hsc->AdvancedInit.AdvFeatureInit != SMARTCARD_ADVFEATURE_NO_INIT) - { - SMARTCARD_AdvFeatureConfig(hsc); - } - - /* In SmartCard mode, the following bits must be kept cleared: - - LINEN in the USART_CR2 register, - - HDSEL and IREN bits in the USART_CR3 register.*/ - hsc->Instance->CR2 &= ~(USART_CR2_LINEN); - hsc->Instance->CR3 &= ~(USART_CR3_HDSEL | USART_CR3_IREN); - - /* set the USART in SMARTCARD mode */ - hsc->Instance->CR3 |= USART_CR3_SCEN; - - /* Enable the Peripheral */ - __HAL_SMARTCARD_ENABLE(hsc); - - /* TEACK and/or REACK to check before moving hsc->State to Ready */ - return (SMARTCARD_CheckIdleState(hsc)); -} - -/** - * @brief DeInitializes the SMARTCARD peripheral - * @param hsc: SMARTCARD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsc) -{ - /* Check the SMARTCARD handle allocation */ - if(hsc == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance)); - - hsc->State = HAL_SMARTCARD_STATE_BUSY; - - /* DeInit the low level hardware */ - HAL_SMARTCARD_MspDeInit(hsc); - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsc->State = HAL_SMARTCARD_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(hsc); - - return HAL_OK; -} - -/** - * @brief SMARTCARD MSP Init - * @param hsc: SMARTCARD handle - * @retval None - */ - __weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_SMARTCARD_MspInit could be implemented in the user file - */ -} - -/** - * @brief SMARTCARD MSP DeInit - * @param hsc: SMARTCARD handle - * @retval None - */ - __weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_SMARTCARD_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup SMARTCARD_Exported_Functions_Group2 IO operation functions - * @brief SMARTCARD Transmit and Receive functions - * -@verbatim - =============================================================================== - ##### IO operation functions ##### - =============================================================================== - This subsection provides a set of functions allowing to manage the SMARTCARD 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 SMARTCARD IRQ when using Interrupt mode or the DMA IRQ when - using DMA mode. - The HAL_SMARTCARD_TxCpltCallback(), HAL_SMARTCARD_RxCpltCallback() user callbacks - will be executed respectively at the end of the Transmit or Receive process - The HAL_SMARTCARD_ErrorCallback()user callback will be executed when a communication error is detected - - (#) Blocking mode API's are : - (+) HAL_SMARTCARD_Transmit() - (+) HAL_SMARTCARD_Receive() - - (#) Non-Blocking mode API's with Interrupt are : - (+) HAL_SMARTCARD_Transmit_IT() - (+) HAL_SMARTCARD_Receive_IT() - (+) HAL_SMARTCARD_IRQHandler() - (+) SMARTCARD_Transmit_IT() - (+) SMARTCARD_Receive_IT() - - (#) No-Blocking mode functions with DMA are : - (+) HAL_SMARTCARD_Transmit_DMA() - (+) HAL_SMARTCARD_Receive_DMA() - - (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: - (+) HAL_SMARTCARD_TxCpltCallback() - (+) HAL_SMARTCARD_RxCpltCallback() - (+) HAL_SMARTCARD_ErrorCallback() - -@endverbatim - * @{ - */ - -/** - * @brief Send an amount of data in blocking mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Transmit(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a non-blocking receive process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - hsc->TxXferSize = Size; - hsc->TxXferCount = Size; - while(hsc->TxXferCount > 0) - { - hsc->TxXferCount--; - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - hsc->Instance->TDR = (*pData++ & (uint8_t)0xFF); - } - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - /* Check if a non-blocking receive Process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_READY; - } - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in blocking mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be received - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a non-blocking transmit process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - hsc->RxXferSize = Size; - hsc->RxXferCount = Size; - /* Check the remain data to be received */ - while(hsc->RxXferCount > 0) - { - hsc->RxXferCount--; - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - *pData++ = (uint8_t)(hsc->Instance->RDR & (uint8_t)0x00FF); - } - - /* Check if a non-blocking transmit process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Send an amount of data in interrupt mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size) -{ - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - - hsc->pTxBuffPtr = pData; - hsc->TxXferSize = Size; - hsc->TxXferCount = Size; - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a receive process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR); - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - /* Enable the SMARTCARD Transmit Complete Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TC); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in interrupt mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be received - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size) -{ - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - - hsc->pRxBuffPtr = pData; - hsc->RxXferSize = Size; - hsc->RxXferCount = Size; - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a transmit process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - /* Enable the SMARTCARD Parity Error Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE); - - /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR); - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - /* Enable the SMARTCARD Data Register not empty Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_RXNE); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Send an amount of data in DMA mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size) -{ - uint32_t *tmp; - - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - - hsc->pTxBuffPtr = pData; - hsc->TxXferSize = Size; - hsc->TxXferCount = Size; - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a receive process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - /* Set the SMARTCARD DMA transfer complete callback */ - hsc->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt; - - /* Set the SMARTCARD error callback */ - hsc->hdmatx->XferErrorCallback = SMARTCARD_DMAError; - - /* Enable the SMARTCARD transmit DMA Stream */ - tmp = (uint32_t*)&pData; - HAL_DMA_Start_IT(hsc->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsc->Instance->TDR, Size); - - /* Clear the TC flag in the SR register by writing 0 to it */ - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_FLAG_TC); - - /* Enable the DMA transfer for transmit request by setting the DMAT bit - in the SMARTCARD associated USART CR3 register */ - hsc->Instance->CR3 |= USART_CR3_DMAT; - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in DMA mode - * @param hsc: SMARTCARD handle - * @param pData: pointer to data buffer - * @param Size: amount of data to be received - * @note The SMARTCARD-associated USART parity is enabled (PCE = 1), - * the received data contain the parity bit (MSB position) - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size) -{ - uint32_t *tmp; - - if((hsc->State == HAL_SMARTCARD_STATE_READY) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsc); - - hsc->pRxBuffPtr = pData; - hsc->RxXferSize = Size; - - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - /* Check if a transmit process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - /* Set the SMARTCARD DMA transfer complete callback */ - hsc->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt; - - /* Set the SMARTCARD DMA error callback */ - hsc->hdmarx->XferErrorCallback = SMARTCARD_DMAError; - - /* Enable the DMA Stream */ - tmp = (uint32_t*)&pData; - HAL_DMA_Start_IT(hsc->hdmarx, (uint32_t)&hsc->Instance->RDR, *(uint32_t*)tmp, Size); - - /* Enable the DMA transfer for the receiver request by setting the DMAR bit - in the SMARTCARD associated USART CR3 register */ - hsc->Instance->CR3 |= USART_CR3_DMAR; - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief SMARTCARD interrupt requests handling. - * @param hsc: SMARTCARD handle - * @retval None - */ -void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc) -{ - /* SMARTCARD parity error interrupt occurred -------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_PE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_PE) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_PEF); - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD frame error interrupt occurred ---------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_FE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_FEF); - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD noise error interrupt occurred ---------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_NE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_NEF); - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD Over-Run interrupt occurred ------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_ORE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_OREF); - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD receiver timeout interrupt occurred ----------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_RTO) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RTO) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_RTOF); - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_RTO; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - /* Call SMARTCARD Error Call back function if need be ----------------------*/ - if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE) - { - HAL_SMARTCARD_ErrorCallback(hsc); - } - - /* SMARTCARD in mode Receiver ----------------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_RXNE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RXNE) != RESET)) - { - SMARTCARD_Receive_IT(hsc); - /* Clear RXNE interrupt flag */ - __HAL_SMARTCARD_SEND_REQ(hsc, SMARTCARD_RXDATA_FLUSH_REQUEST); - } - - /* SMARTCARD in mode Receiver, end of block interruption -------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_EOB) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_EOB) != RESET)) - { - hsc->State = HAL_SMARTCARD_STATE_READY; - HAL_SMARTCARD_RxCpltCallback(hsc); - /* Clear EOBF interrupt after HAL_SMARTCARD_RxCpltCallback() call for the End of Block information - * to be available during HAL_SMARTCARD_RxCpltCallback() processing */ - __HAL_SMARTCARD_CLEAR_IT(hsc, SMARTCARD_CLEAR_EOBF); - } - - /* SMARTCARD in mode Transmitter -------------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_TC) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TC) != RESET)) - { - SMARTCARD_Transmit_IT(hsc); - } -} - -/** - * @brief Tx Transfer completed callbacks - * @param hsc: SMARTCARD handle - * @retval None - */ - __weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_SMARTCARD_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Rx Transfer completed callbacks - * @param hsc: SMARTCARD handle - * @retval None - */ -__weak void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_SMARTCARD_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief SMARTCARD error callbacks - * @param hsc: SMARTCARD handle - * @retval None - */ - __weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_SMARTCARD_ErrorCallback could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup SMARTCARD_Exported_Functions_Group3 Peripheral State functions - * @brief SMARTCARD State functions - * -@verbatim - =============================================================================== - ##### Peripheral State and Errors functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to initialize the SMARTCARD. - (+) HAL_SMARTCARD_GetState() API is helpful to check in run-time the state of the SMARTCARD peripheral - (+) SMARTCARD_SetConfig() API configures the SMARTCARD peripheral - (+) SMARTCARD_CheckIdleState() API ensures that TEACK and/or REACK are set after initialization - -@endverbatim - * @{ - */ - - -/** - * @brief return the SMARTCARD state - * @param hsc: SMARTCARD handle - * @retval HAL state - */ -HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsc) -{ - return hsc->State; -} - -/** - * @brief Return the SMARTCARD error code - * @param hsc : pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD. - * @retval SMARTCARD Error Code - */ -uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsc) -{ - return hsc->ErrorCode; -} - -/** - * @} - */ - -/** - * @brief Send an amount of data in non blocking mode - * @param hsc: SMARTCARD handle. - * Function called under interruption only, once - * interruptions have been enabled by HAL_SMARTCARD_Transmit_IT() - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc) -{ - if((hsc->State == HAL_SMARTCARD_STATE_BUSY_TX) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)) - { - if(hsc->TxXferCount == 0) - { - /* Disable the SMARTCARD Transmit Complete Interrupt */ - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TC); - - /* Check if a receive Process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - else - { - /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR); - - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_TxCpltCallback(hsc); - - return HAL_OK; - } - else - { - hsc->Instance->TDR = (*hsc->pTxBuffPtr++ & (uint8_t)0xFF); - hsc->TxXferCount--; - - return HAL_OK; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in non blocking mode - * @param hsc: SMARTCARD handle. - * Function called under interruption only, once - * interruptions have been enabled by HAL_SMARTCARD_Receive_IT() - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc) -{ - if((hsc->State == HAL_SMARTCARD_STATE_BUSY_RX) || (hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)) - { - *hsc->pRxBuffPtr++ = (uint8_t)(hsc->Instance->RDR & (uint8_t)0xFF); - - if(--hsc->RxXferCount == 0) - { - while(HAL_IS_BIT_SET(hsc->Instance->ISR, SMARTCARD_FLAG_RXNE)) - { - } - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE); - - /* Check if a transmit Process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - /* Disable the SMARTCARD Parity Error Interrupt */ - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE); - - /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR); - - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_RxCpltCallback(hsc); - - return HAL_OK; - } - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Configure the SMARTCARD associated USART peripheral - * @param hsc: SMARTCARD handle - * @retval None - */ -static void SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsc) -{ - uint32_t tmpreg = 0x00000000; - uint32_t clocksource = 0x00000000; - - /* Check the parameters */ - assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance)); - assert_param(IS_SMARTCARD_BAUDRATE(hsc->Init.BaudRate)); - assert_param(IS_SMARTCARD_WORD_LENGTH(hsc->Init.WordLength)); - assert_param(IS_SMARTCARD_STOPBITS(hsc->Init.StopBits)); - assert_param(IS_SMARTCARD_PARITY(hsc->Init.Parity)); - assert_param(IS_SMARTCARD_MODE(hsc->Init.Mode)); - assert_param(IS_SMARTCARD_POLARITY(hsc->Init.CLKPolarity)); - assert_param(IS_SMARTCARD_PHASE(hsc->Init.CLKPhase)); - assert_param(IS_SMARTCARD_LASTBIT(hsc->Init.CLKLastBit)); - assert_param(IS_SMARTCARD_ONE_BIT_SAMPLE(hsc->Init.OneBitSampling)); - assert_param(IS_SMARTCARD_NACK(hsc->Init.NACKState)); - assert_param(IS_SMARTCARD_TIMEOUT(hsc->Init.TimeOutEnable)); - assert_param(IS_SMARTCARD_AUTORETRY_COUNT(hsc->Init.AutoRetryCount)); - - /*-------------------------- USART CR1 Configuration -----------------------*/ - /* In SmartCard mode, M and PCE are forced to 1 (8 bits + parity). - * Oversampling is forced to 16 (OVER8 = 0). - * Configure the Parity and Mode: - * set PS bit according to hsc->Init.Parity value - * set TE and RE bits according to hsc->Init.Mode value */ - tmpreg = (uint32_t) hsc->Init.Parity | hsc->Init.Mode; - /* in case of TX-only mode, if NACK is enabled, the USART must be able to monitor - the bidirectional line to detect a NACK signal in case of parity error. - Therefore, the receiver block must be enabled as well (RE bit must be set). */ - if((hsc->Init.Mode == SMARTCARD_MODE_TX) && (hsc->Init.NACKState == SMARTCARD_NACK_ENABLE)) - { - tmpreg |= USART_CR1_RE; - } - tmpreg |= (uint32_t) hsc->Init.WordLength; - MODIFY_REG(hsc->Instance->CR1, USART_CR1_FIELDS, tmpreg); - - /*-------------------------- USART CR2 Configuration -----------------------*/ - /* Stop bits are forced to 1.5 (STOP = 11) */ - tmpreg = hsc->Init.StopBits; - /* Synchronous mode is activated by default */ - tmpreg |= (uint32_t) USART_CR2_CLKEN | hsc->Init.CLKPolarity; - tmpreg |= (uint32_t) hsc->Init.CLKPhase | hsc->Init.CLKLastBit; - tmpreg |= (uint32_t) hsc->Init.TimeOutEnable; - MODIFY_REG(hsc->Instance->CR2, USART_CR2_FIELDS, tmpreg); - - /*-------------------------- USART CR3 Configuration -----------------------*/ - /* Configure - * - one-bit sampling method versus three samples' majority rule - * according to hsc->Init.OneBitSampling - * - NACK transmission in case of parity error according - * to hsc->Init.NACKEnable - * - autoretry counter according to hsc->Init.AutoRetryCount */ - tmpreg = (uint32_t) hsc->Init.OneBitSampling | hsc->Init.NACKState; - tmpreg |= (uint32_t) (hsc->Init.AutoRetryCount << SMARTCARD_CR3_SCARCNT_LSB_POS); - MODIFY_REG(hsc->Instance-> CR3,USART_CR3_FIELDS, tmpreg); - - /*-------------------------- USART GTPR Configuration ----------------------*/ - tmpreg = (uint32_t) (hsc->Init.Prescaler | (hsc->Init.GuardTime << SMARTCARD_GTPR_GT_LSB_POS)); - MODIFY_REG(hsc->Instance->GTPR, (uint32_t)(USART_GTPR_GT|USART_GTPR_PSC), tmpreg); - - /*-------------------------- USART RTOR Configuration ----------------------*/ - tmpreg = (uint32_t) (hsc->Init.BlockLength << SMARTCARD_RTOR_BLEN_LSB_POS); - if(hsc->Init.TimeOutEnable == SMARTCARD_TIMEOUT_ENABLE) - { - assert_param(IS_SMARTCARD_TIMEOUT_VALUE(hsc->Init.TimeOutValue)); - tmpreg |= (uint32_t) hsc->Init.TimeOutValue; - } - MODIFY_REG(hsc->Instance->RTOR, (USART_RTOR_RTO|USART_RTOR_BLEN), tmpreg); - - /*-------------------------- USART BRR Configuration -----------------------*/ - SMARTCARD_GETCLOCKSOURCE(hsc, clocksource); - switch (clocksource) - { - case SMARTCARD_CLOCKSOURCE_PCLK1: - hsc->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK1Freq() / hsc->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_PCLK2: - hsc->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK2Freq() / hsc->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_HSI: - hsc->Instance->BRR = (uint16_t)(HSI_VALUE / hsc->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_SYSCLK: - hsc->Instance->BRR = (uint16_t)(HAL_RCC_GetSysClockFreq() / hsc->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_LSE: - hsc->Instance->BRR = (uint16_t)(LSE_VALUE / hsc->Init.BaudRate); - break; - default: - break; - } -} - -/** - * @brief Check the SMARTCARD Idle State - * @param hsc: SMARTCARD handle - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsc) -{ - - /* Initialize the SMARTCARD ErrorCode */ - hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - - /* Check if the Transmitter is enabled */ - if((hsc->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) - { - /* Wait until TEACK flag is set */ - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, USART_ISR_TEACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) - { - return HAL_TIMEOUT; - } - } - /* Check if the Receiver is enabled */ - if((hsc->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) - { - /* Wait until REACK flag is set */ - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, USART_ISR_REACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) - { - return HAL_TIMEOUT; - } - } - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - /* Initialize the SMARTCARD state*/ - hsc->State= HAL_SMARTCARD_STATE_READY; - - return HAL_OK; -} - -/** - * @brief Configure the SMARTCARD associated USART peripheral advanced features - * @param hsc: SMARTCARD handle - * @retval None - */ -static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsc) -{ - /* Check whether the set of advanced features to configure is properly set */ - assert_param(IS_SMARTCARD_ADVFEATURE_INIT(hsc->AdvancedInit.AdvFeatureInit)); - - /* if required, configure TX pin active level inversion */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_TXINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_TXINV(hsc->AdvancedInit.TxPinLevelInvert)); - MODIFY_REG(hsc->Instance->CR2, USART_CR2_TXINV, hsc->AdvancedInit.TxPinLevelInvert); - } - - /* if required, configure RX pin active level inversion */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_RXINV(hsc->AdvancedInit.RxPinLevelInvert)); - MODIFY_REG(hsc->Instance->CR2, USART_CR2_RXINV, hsc->AdvancedInit.RxPinLevelInvert); - } - - /* if required, configure data inversion */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DATAINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_DATAINV(hsc->AdvancedInit.DataInvert)); - MODIFY_REG(hsc->Instance->CR2, USART_CR2_DATAINV, hsc->AdvancedInit.DataInvert); - } - - /* if required, configure RX/TX pins swap */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_SWAP_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_SWAP(hsc->AdvancedInit.Swap)); - MODIFY_REG(hsc->Instance->CR2, USART_CR2_SWAP, hsc->AdvancedInit.Swap); - } - - /* if required, configure RX overrun detection disabling */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXOVERRUNDISABLE_INIT)) - { - assert_param(IS_SMARTCARD_OVERRUN(hsc->AdvancedInit.OverrunDisable)); - MODIFY_REG(hsc->Instance->CR3, USART_CR3_OVRDIS, hsc->AdvancedInit.OverrunDisable); - } - - /* if required, configure DMA disabling on reception error */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DMADISABLEONERROR_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_DMAONRXERROR(hsc->AdvancedInit.DMADisableonRxError)); - MODIFY_REG(hsc->Instance->CR3, USART_CR3_DDRE, hsc->AdvancedInit.DMADisableonRxError); - } - - /* if required, configure MSB first on communication line */ - if(HAL_IS_BIT_SET(hsc->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_MSBFIRST_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_MSBFIRST(hsc->AdvancedInit.MSBFirst)); - MODIFY_REG(hsc->Instance->CR2, USART_CR2_MSBFIRST, hsc->AdvancedInit.MSBFirst); - } -} - -/** - * @brief This function handles SMARTCARD Communication Timeout. - * @param hsc: SMARTCARD handle - * @param Flag: specifies the SMARTCARD flag to check. - * @param Status: The new Flag status (SET or RESET). - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout) -{ - uint32_t tickstart = 0x00; - - /* Get tick */ - tickstart = HAL_GetTick(); - - /* Wait until flag is set */ - if(Status == RESET) - { - while(__HAL_SMARTCARD_GET_FLAG(hsc, 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_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR); - - hsc->State= HAL_SMARTCARD_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_TIMEOUT; - } - } - } - } - else - { - while(__HAL_SMARTCARD_GET_FLAG(hsc, 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_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE); - __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR); - - hsc->State= HAL_SMARTCARD_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hsc); - - return HAL_TIMEOUT; - } - } - } - } - return HAL_OK; -} - -/** - * @brief DMA SMARTCARD transmit process complete callback - * @param hdma: DMA handle - * @retval None - */ -static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma) -{ - SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hsc->TxXferCount = 0; - - /* Disable the DMA transfer for transmit request by setting the DMAT bit - in the SMARTCARD associated USART CR3 register */ - hsc->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT); - - /* Wait for SMARTCARD TC Flag */ - if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, HAL_SMARTCARD_TXDMA_TIMEOUTVALUE) != HAL_OK) - { - /* Timeout Occurred */ - hsc->State = HAL_SMARTCARD_STATE_TIMEOUT; - HAL_SMARTCARD_ErrorCallback(hsc); - } - else - { - /* No Timeout */ - /* Check if a receive Process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_READY; - } - HAL_SMARTCARD_TxCpltCallback(hsc); - } -} - -/** - * @brief DMA SMARTCARD receive process complete callback - * @param hdma: DMA handle - * @retval None - */ -static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma) -{ - SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hsc->RxXferCount = 0; - - /* Disable the DMA transfer for the receiver request by setting the DMAR bit - in the SMARTCARD associated USART CR3 register */ - hsc->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAR); - - /* Check if a transmit Process is ongoing or not */ - if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsc->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - hsc->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_RxCpltCallback(hsc); -} - -/** - * @brief DMA SMARTCARD communication error callback - * @param hdma: DMA handle - * @retval None - */ -static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma) -{ - SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hsc->RxXferCount = 0; - hsc->TxXferCount = 0; - hsc->State= HAL_SMARTCARD_STATE_READY; - hsc->ErrorCode |= HAL_SMARTCARD_ERROR_DMA; - HAL_SMARTCARD_ErrorCallback(hsc); -} -/** - * @} - */ - -#endif /* HAL_SMARTCARD_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |