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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_smartcard.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_smartcard.c | 1292 |
1 files changed, 1292 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_smartcard.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_smartcard.c new file mode 100644 index 0000000000..9fa50cad7c --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_smartcard.c @@ -0,0 +1,1292 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_smartcard.c + * @author MCD Application Team + * @version V1.2.0 + * @date 06-February-2015 + * @brief SMARTCARD HAL module driver. + * + * This file provides firmware functions to manage the following + * functionalities of the SmartCard. + * + Initialization and de-initialization methods + * + IO operation methods + * + Peripheral Control methods + * + * + @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. + (##) USART pins configuration: + (+) Enable the clock for the USART GPIOs. + (+) Configure these USART 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 "stm32l0xx_hal.h" + +/** @addtogroup STM32L0xx_HAL_Driver + * @{ + */ + +/** @addtogroup SMARTCARD + * @brief HAL SMARTCARD module driver + * @{ + */ +#ifdef HAL_SMARTCARD_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#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 macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +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); +/* Private functions ---------------------------------------------------------*/ + +/** @addtogroup SMARTCARD_Exported_Functions + * @{ + */ + +/** @addtogroup SMARTCARD_Exported_Functions_Group1 + * @brief Initialization and Configuration functions + * +@verbatim +=============================================================================== + ##### Initialization and Configuration functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to initialize the USARTx + 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 creates 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 USART associated to the SmartCard */ + assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance)); + + if(hsc->State == HAL_SMARTCARD_STATE_RESET) + { + /* 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 implenetd 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 implenetd in the user file + */ +} + +/** + * @} + */ + +/** @addtogroup SMARTCARD_Exported_Functions_Group2 + * @brief SMARTCARD Transmit/Receive functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + This subsection provides a set of functions allowing to manage the SMARTCARD data transfers. + + (#) There are two mode 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 respectivelly 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 transfert 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_FLAG(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 rocess 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 transfert 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_PEFLAG(hsc); + 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 occured ---------------------------------*/ + if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_FE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) + { + __HAL_SMARTCARD_CLEAR_FEFLAG(hsc); + 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 occured ---------------------------------*/ + if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_NE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) + { + __HAL_SMARTCARD_CLEAR_NEFLAG(hsc); + 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 occured ------------------------------------*/ + if((__HAL_SMARTCARD_GET_IT(hsc, SMARTCARD_IT_ORE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR) != RESET)) + { + __HAL_SMARTCARD_CLEAR_OREFLAG(hsc); + 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 occured ----------------------------*/ + 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 + */ +} + +/** + * @} + */ + +/** @addtogroup SMARTCARD_Exported_Functions_Group3 + * @brief SMARTCARD State functions + * +@verbatim + =============================================================================== + ##### Peripheral State 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 feautures + * @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; + 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* hsmartcard = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hsmartcard->TxXferCount = 0; + + /* Disable the DMA transfer for transmit request by resetting the DMAT bit + in the SMARTCARD associated USART CR3 register */ + hsmartcard->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT); + + /* Enable the SMARTCARD Transmit Complete Interrupt */ + __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_TC); +} + +/** + * @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****/ + |