Hal Drivers for L4
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Diff: Src/stm32l4xx_hal_smartcard.c
- Revision:
- 2:7aef7655b0a8
- Parent:
- 1:271ce2251692
diff -r 271ce2251692 -r 7aef7655b0a8 Src/stm32l4xx_hal_smartcard.c --- a/Src/stm32l4xx_hal_smartcard.c Thu Nov 12 20:49:49 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1490 +0,0 @@ -/** - ****************************************************************************** - * @file stm32l4xx_hal_smartcard.c - * @author MCD Application Team - * @version V1.1.0 - * @date 16-September-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 Control functions - * + Peripheral State and Error functions - * - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The SMARTCARD HAL driver can be used as follows: - - (#) Declare a SMARTCARD_HandleTypeDef handle structure (eg. SMARTCARD_HandleTypeDef hsmartcard). - (#) Associate a USART to the SMARTCARD handle hsmartcard. - (#) 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 the USART pins (TX as alternate function pull-up, RX as alternate function Input). - (++) 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. - (++) 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 channel. - (+++) Enable the DMAx interface clock. - (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. - (+++) Configure the DMA Tx/Rx channel. - (+++) 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 channel. - - (#) 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 hsmartcard handle Init structure. - - (#) If required, program SMARTCARD advanced features (TX/RX pins swap, TimeOut, auto-retry counter,...) - in the hsmartcard handle AdvancedInit structure. - - (#) Initialize the SMARTCARD registers by calling the HAL_SMARTCARD_Init() API: - (++) This API configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) - by calling the customized HAL_SMARTCARD_MspInit() API. - [..] - (@) The specific SMARTCARD 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. - - [..] - [..] Three operation modes are available within this driver : - - *** Polling mode IO operation *** - ================================= - [..] - (+) Send an amount of data in blocking mode using HAL_SMARTCARD_Transmit() - (+) Receive an amount of data in blocking mode using HAL_SMARTCARD_Receive() - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Send an amount of data in non-blocking mode using HAL_SMARTCARD_Transmit_IT() - (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback() - (+) Receive an amount of data in non-blocking mode using HAL_SMARTCARD_Receive_IT() - (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback() - (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback() - - *** DMA mode IO operation *** - ============================== - [..] - (+) Send an amount of data in non-blocking mode (DMA) using HAL_SMARTCARD_Transmit_DMA() - (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback() - (+) Receive an amount of data in non-blocking mode (DMA) using HAL_SMARTCARD_Receive_DMA() - (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback() - (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback() - - *** SMARTCARD HAL driver macros list *** - ======================================== - [..] - Below the list of most used macros in SMARTCARD HAL driver. - - (+) __HAL_SMARTCARD_GET_FLAG : Check whether or not the specified SMARTCARD flag is set - (+) __HAL_SMARTCARD_CLEAR_FLAG : Clear the specified SMARTCARD pending flag - (+) __HAL_SMARTCARD_ENABLE_IT: Enable the specified SMARTCARD interrupt - (+) __HAL_SMARTCARD_DISABLE_IT: Disable the specified SMARTCARD interrupt - (+) __HAL_SMARTCARD_GET_IT_SOURCE: Check whether or not the specified SMARTCARD interrupt is enabled - - [..] - (@) You can refer to the SMARTCARD HAL driver header file for more useful macros - - @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 "stm32l4xx_hal.h" - -/** @addtogroup STM32L4xx_HAL_Driver - * @{ - */ - -/** @defgroup SMARTCARD SMARTCARD - * @brief HAL SMARTCARD module driver - * @{ - */ - -#ifdef HAL_SMARTCARD_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup SMARTCARD_Private_Constants SMARTCARD Private Constants - * @{ - */ -#define SMARTCARD_TEACK_REACK_TIMEOUT 1000 /*!< SMARTCARD TX or RX enable acknowledge time-out value */ - -#define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ - USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) /*!< USART CR1 fields of parameters set by SMARTCARD_SetConfig API */ -#define USART_CR2_CLK_FIELDS ((uint32_t)(USART_CR2_CLKEN|USART_CR2_CPOL|USART_CR2_CPHA|USART_CR2_LBCL)) /*!< SMARTCARD clock-related USART CR2 fields of parameters */ -#define USART_CR2_FIELDS ((uint32_t)(USART_CR2_RTOEN|USART_CR2_CLK_FIELDS|USART_CR2_STOP)) /*!< USART CR2 fields of parameters set by SMARTCARD_SetConfig API */ -#define USART_CR3_FIELDS ((uint32_t)(USART_CR3_ONEBIT|USART_CR3_NACK|USART_CR3_SCARCNT)) /*!< USART CR3 fields of parameters set by SMARTCARD_SetConfig API */ -/** - * @} - */ - -/* 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 HAL_StatusTypeDef SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsmartcard); -static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsmartcard); -static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Flag, FlagStatus Status, uint32_t Timeout); -static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsmartcard); -static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsmartcard); -static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard); -static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsmartcard); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ - -/** @defgroup SMARTCARD_Exported_Functions SMARTCARD Exported Functions - * @{ - */ - -/** @defgroup SMARTCARD_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 - 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: - - (+++) Table 1. USART frame format. - (+++) +---------------------------------------------------------------+ - (+++) | 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 follows the USART synchronous configuration procedures - (details for the procedures are available in reference manual). - -@endverbatim - * @{ - */ - -/** - * @brief Initialize the SMARTCARD mode according to the specified - * parameters in the SMARTCARD_HandleTypeDef and initialize the associated handle. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* Check the SMARTCARD handle allocation */ - if(hsmartcard == NULL) - { - return HAL_ERROR; - } - - /* Check the USART associated to the SmartCard */ - assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance)); - - if(hsmartcard->State == HAL_SMARTCARD_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hsmartcard->Lock = HAL_UNLOCKED; - - /* Init the low level hardware : GPIO, CLOCK */ - HAL_SMARTCARD_MspInit(hsmartcard); - } - - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY; - - /* Disable the Peripheral to set smartcard mode */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* 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.*/ - CLEAR_BIT(hsmartcard->Instance->CR2, USART_CR2_LINEN); - CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_HDSEL | USART_CR3_IREN)); - - /* set the USART in SMARTCARD mode */ - SET_BIT(hsmartcard->Instance->CR3, USART_CR3_SCEN); - - /* Set the SMARTCARD Communication parameters */ - if (SMARTCARD_SetConfig(hsmartcard) == HAL_ERROR) - { - return HAL_ERROR; - } - - if (hsmartcard->AdvancedInit.AdvFeatureInit != SMARTCARD_ADVFEATURE_NO_INIT) - { - SMARTCARD_AdvFeatureConfig(hsmartcard); - } - - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* TEACK and/or REACK to check before moving hsmartcard->State to Ready */ - return (SMARTCARD_CheckIdleState(hsmartcard)); -} - - -/** - * @brief DeInitialize the SMARTCARD peripheral. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* Check the SMARTCARD handle allocation */ - if(hsmartcard == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance)); - - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY; - - /* Disable the Peripheral */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - WRITE_REG(hsmartcard->Instance->CR1, 0x0); - WRITE_REG(hsmartcard->Instance->CR2, 0x0); - WRITE_REG(hsmartcard->Instance->CR3, 0x0); - WRITE_REG(hsmartcard->Instance->RTOR, 0x0); - WRITE_REG(hsmartcard->Instance->GTPR, 0x0); - - /* DeInit the low level hardware */ - HAL_SMARTCARD_MspDeInit(hsmartcard); - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->State = HAL_SMARTCARD_STATE_RESET; - - /* Process Unlock */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; -} - -/** - * @brief Initialize the SMARTCARD MSP. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ - __weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_SMARTCARD_MspInit can be implemented in the user file - */ -} - -/** - * @brief DeInitialize the SMARTCARD MSP. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ - __weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_SMARTCARD_MspDeInit can 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. - - [..] - Smartcard is a single wire half duplex communication protocol. - The Smartcard interface is designed to support asynchronous protocol Smartcards as - defined in the ISO 7816-3 standard. The USART should be configured as: - (+) 8 bits plus parity: where M=1 and PCE=1 in the USART_CR1 register - (+) 1.5 stop bits when transmitting and receiving: where STOP=11 in the USART_CR2 register. - - [..] - (+) 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, the relevant 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 APIs are : - (++) HAL_SMARTCARD_Transmit() - (++) HAL_SMARTCARD_Receive() - - (+) Non Blocking mode APIs with Interrupt are : - (++) HAL_SMARTCARD_Transmit_IT() - (++) HAL_SMARTCARD_Receive_IT() - (++) HAL_SMARTCARD_IRQHandler() - - (+) Non Blocking mode functions with DMA are : - (++) HAL_SMARTCARD_Transmit_DMA() - (++) HAL_SMARTCARD_Receive_DMA() - - (+) A set of Transfer Complete Callbacks are provided in non Blocking mode: - (++) HAL_SMARTCARD_TxCpltCallback() - (++) HAL_SMARTCARD_RxCpltCallback() - (++) HAL_SMARTCARD_ErrorCallback() - -@endverbatim - * @{ - */ - -/** - * @brief Send an amount of data in blocking mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a receive process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - /* Disable the Peripheral first to update mode for TX master */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* Disable Rx, enable Tx */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE); - SET_BIT(hsmartcard->Instance->RQR, SMARTCARD_RXDATA_FLUSH_REQUEST); - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE); - - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->TxXferSize = Size; - hsmartcard->TxXferCount = Size; - - while(hsmartcard->TxXferCount > 0) - { - hsmartcard->TxXferCount--; - if(SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - hsmartcard->Instance->TDR = (*pData++ & (uint8_t)0xFF); - } - if(SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_FLAG_TC, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - /* Re-enable Rx at end of transmission if initial mode is Rx/Tx */ - if(hsmartcard->Init.Mode == SMARTCARD_MODE_TX_RX) - { - /* Disable the Peripheral first to update modes */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_RE); - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - } - - /* Check if a receive process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in blocking mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a non-blocking transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->RxXferSize = Size; - hsmartcard->RxXferCount = Size; - - /* Check the remain data to be received */ - while(hsmartcard->RxXferCount > 0) - { - hsmartcard->RxXferCount--; - if(SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - *pData++ = (uint8_t)(hsmartcard->Instance->RDR & (uint8_t)0x00FF); - } - - /* Check if a non-blocking transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Send an amount of data in interrupt mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a receive process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->pTxBuffPtr = pData; - hsmartcard->TxXferSize = Size; - hsmartcard->TxXferCount = Size; - - /* Disable the Peripheral first to update mode for TX master */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* Disable Rx, enable Tx */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE); - SET_BIT(hsmartcard->Instance->RQR, SMARTCARD_RXDATA_FLUSH_REQUEST); - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE); - - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - /* Enable the SMARTCARD Transmit Data Register Empty Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_TXE); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in interrupt mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->pRxBuffPtr = pData; - hsmartcard->RxXferSize = Size; - hsmartcard->RxXferCount = Size; - - /* Enable the SMARTCARD Parity Error Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_PE); - - /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - /* Enable the SMARTCARD Data Register not empty Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_RXNE); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Send an amount of data in DMA mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size) -{ - uint32_t *tmp; - - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a receive process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->pTxBuffPtr = pData; - hsmartcard->TxXferSize = Size; - hsmartcard->TxXferCount = Size; - - /* Disable the Peripheral first to update mode for TX master */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* Disable Rx, enable Tx */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE); - SET_BIT(hsmartcard->Instance->RQR, SMARTCARD_RXDATA_FLUSH_REQUEST); - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE); - - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - - /* Set the SMARTCARD DMA transfer complete callback */ - hsmartcard->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt; - - /* Set the SMARTCARD error callback */ - hsmartcard->hdmatx->XferErrorCallback = SMARTCARD_DMAError; - - /* Enable the SMARTCARD transmit DMA channel */ - tmp = (uint32_t*)&pData; - HAL_DMA_Start_IT(hsmartcard->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsmartcard->Instance->TDR, Size); - - /* Enable the DMA transfer for transmit request by setting the DMAT bit - in the SMARTCARD associated USART CR3 register */ - SET_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT); - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive an amount of data in DMA mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint8_t *pData, uint16_t Size) -{ - uint32_t *tmp; - - if ((hsmartcard->State == HAL_SMARTCARD_STATE_READY) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX)) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hsmartcard); - - /* Check if a transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX_RX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX; - } - - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - hsmartcard->pRxBuffPtr = pData; - hsmartcard->RxXferSize = Size; - - /* Set the SMARTCARD DMA transfer complete callback */ - hsmartcard->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt; - - /* Set the SMARTCARD DMA error callback */ - hsmartcard->hdmarx->XferErrorCallback = SMARTCARD_DMAError; - - /* Enable the DMA channel */ - tmp = (uint32_t*)&pData; - HAL_DMA_Start_IT(hsmartcard->hdmarx, (uint32_t)&hsmartcard->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 */ - SET_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR); - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Handle SMARTCARD interrupt requests. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ -void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* SMARTCARD parity error interrupt occurred -------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_PE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_PE) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_PEF); - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_PE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD frame error interrupt occurred --------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_FE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_FEF); - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_FE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD noise error interrupt occurred --------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_NE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_NEF); - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_NE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD Over-Run interrupt occurred -----------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_ORE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_ERR) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_OREF); - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_ORE; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* SMARTCARD receiver timeout interrupt occurred -----------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_RTO) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_RTO) != RESET)) - { - __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_RTOF); - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_RTO; - /* Set the SMARTCARD state ready to be able to start again the process */ - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - /* Call SMARTCARD Error Call back function if need be --------------------------*/ - if(hsmartcard->ErrorCode != HAL_SMARTCARD_ERROR_NONE) - { - HAL_SMARTCARD_ErrorCallback(hsmartcard); - } - - /* SMARTCARD in mode Receiver ---------------------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_RXNE) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_RXNE) != RESET)) - { - SMARTCARD_Receive_IT(hsmartcard); - /* Clear RXNE interrupt flag done by reading RDR in SMARTCARD_Receive_IT() */ - } - - /* SMARTCARD in mode Receiver, end of block interruption ------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_EOB) != RESET) && (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_EOB) != RESET)) - { - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - __HAL_UNLOCK(hsmartcard); - HAL_SMARTCARD_RxCpltCallback(hsmartcard); - /* 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(hsmartcard, SMARTCARD_CLEAR_EOBF); - } - - /* SMARTCARD in mode Transmitter ------------------------------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_TXE) != RESET) &&(__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_TXE) != RESET)) - { - SMARTCARD_Transmit_IT(hsmartcard); - } - - /* SMARTCARD in mode Transmitter (transmission end) ------------------------*/ - if((__HAL_SMARTCARD_GET_IT(hsmartcard, SMARTCARD_IT_TC) != RESET) &&(__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, SMARTCARD_IT_TC) != RESET)) - { - SMARTCARD_EndTransmit_IT(hsmartcard); - } -} - -/** - * @brief Tx Transfer completed callback. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ - __weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_SMARTCARD_TxCpltCallback can be implemented in the user file. - */ -} - -/** - * @brief Rx Transfer completed callback. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ -__weak void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_SMARTCARD_RxCpltCallback can be implemented in the user file. - */ -} - -/** - * @brief SMARTCARD error callback. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ -__weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_SMARTCARD_ErrorCallback can be implemented in the user file. - */ -} - -/** - * @} - */ - -/** @defgroup SMARTCARD_Exported_Functions_Group4 Peripheral State and Errors functions - * @brief SMARTCARD State and Errors functions - * -@verbatim - ============================================================================== - ##### Peripheral State and Errors functions ##### - ============================================================================== - [..] - This subsection provides a set of functions allowing to return the State of SmartCard - handle and also return Peripheral Errors occurred during communication process - (+) HAL_SMARTCARD_GetState() API can be helpful to check in run-time the state - of the SMARTCARD peripheral. - (+) HAL_SMARTCARD_GetError() checks in run-time errors that could occur during - communication. - -@endverbatim - * @{ - */ - - -/** - * @brief Return the SMARTCARD handle state. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval SMARTCARD handle state - */ -HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsmartcard) -{ - return hsmartcard->State; -} - -/** - * @brief Return the SMARTCARD handle error code. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. -* @retval SMARTCARD handle Error Code -*/ -uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsmartcard) -{ - return hsmartcard->ErrorCode; -} - -/** - * @} - */ - -/** - * @} - */ - -/** @defgroup SMARTCARD_Private_Functions SMARTCARD Private Functions - * @{ - */ - -/** - * @brief Send an amount of data in non-blocking mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * 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 *hsmartcard) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)) - { - - if(hsmartcard->TxXferCount == 0) - { - /* Disable the SMARTCARD Transmit Data Register Empty Interrupt */ - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_TXE); - - /* Enable the SMARTCARD Transmit Complete Interrupt */ - __HAL_SMARTCARD_ENABLE_IT(hsmartcard, SMARTCARD_IT_TC); - - return HAL_OK; - } - else - { - hsmartcard->Instance->TDR = (*hsmartcard->pTxBuffPtr++ & (uint8_t)0xFF); - hsmartcard->TxXferCount--; - - return HAL_OK; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Wrap up transmission in non-blocking mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* Disable the SMARTCARD Transmit Complete Interrupt */ - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_TC); - - /* Check if a receive process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX; - - /* Re-enable Rx at end of transmission if initial mode is Rx/Tx */ - if(hsmartcard->Init.Mode == SMARTCARD_MODE_TX_RX) - { - /* Disable the Peripheral first to update modes */ - CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_RE); - /* Enable the Peripheral */ - SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE); - } - } - else - { - /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_TxCpltCallback(hsmartcard); - - return HAL_OK; -} - - -/** - * @brief Receive an amount of data in non-blocking mode. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * 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 *hsmartcard) -{ - if ((hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_RX) || (hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)) - { - - *hsmartcard->pRxBuffPtr++ = (uint8_t)(hsmartcard->Instance->RDR & (uint8_t)0xFF); - - if(--hsmartcard->RxXferCount == 0) - { - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_RXNE); - - /* Check if a transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - /* Disable the SMARTCARD Parity Error Interrupt */ - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_PE); - - /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */ - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_RxCpltCallback(hsmartcard); - - return HAL_OK; - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Handle SMARTCARD Communication Timeout. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @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 *hsmartcard, uint32_t Flag, FlagStatus Status, uint32_t Timeout) -{ - uint32_t tickstart = HAL_GetTick(); - - /* Wait until flag is set */ - if(Status == RESET) - { - while(__HAL_SMARTCARD_GET_FLAG(hsmartcard, 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(hsmartcard, SMARTCARD_IT_TXE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_RXNE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_PE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - hsmartcard->State= HAL_SMARTCARD_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_TIMEOUT; - } - } - } - } - else - { - while(__HAL_SMARTCARD_GET_FLAG(hsmartcard, 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(hsmartcard, SMARTCARD_IT_TXE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_RXNE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_PE); - __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR); - - hsmartcard->State= HAL_SMARTCARD_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_TIMEOUT; - } - } - } - } - return HAL_OK; -} - -/** - * @brief DMA SMARTCARD transmit process complete callback. - * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @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 */ - CLEAR_BIT(hsmartcard->Instance->CR3, 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: Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma) -{ - SMARTCARD_HandleTypeDef* hsmartcard = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hsmartcard->RxXferCount = 0; - - /* Disable the DMA transfer for the receiver request by resetting the DMAR bit - in the SMARTCARD associated USART CR3 register */ - CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR); - - /* Check if a transmit process is ongoing or not */ - if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX) - { - hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_TX; - } - else - { - hsmartcard->State = HAL_SMARTCARD_STATE_READY; - } - - HAL_SMARTCARD_RxCpltCallback(hsmartcard); -} - -/** - * @brief DMA SMARTCARD communication error callback. - * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma) -{ - SMARTCARD_HandleTypeDef* hsmartcard = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - hsmartcard->RxXferCount = 0; - hsmartcard->TxXferCount = 0; - hsmartcard->State= HAL_SMARTCARD_STATE_READY; - hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_DMA; - HAL_SMARTCARD_ErrorCallback(hsmartcard); -} - -/** - * @brief Configure the SMARTCARD associated USART peripheral. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ -static HAL_StatusTypeDef SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsmartcard) -{ - uint32_t tmpreg = 0x00000000; - SMARTCARD_ClockSourceTypeDef clocksource = SMARTCARD_CLOCKSOURCE_UNDEFINED; - HAL_StatusTypeDef ret = HAL_OK; - - /* Check the parameters */ - assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance)); - assert_param(IS_SMARTCARD_BAUDRATE(hsmartcard->Init.BaudRate)); - assert_param(IS_SMARTCARD_WORD_LENGTH(hsmartcard->Init.WordLength)); - assert_param(IS_SMARTCARD_STOPBITS(hsmartcard->Init.StopBits)); - assert_param(IS_SMARTCARD_PARITY(hsmartcard->Init.Parity)); - assert_param(IS_SMARTCARD_MODE(hsmartcard->Init.Mode)); - assert_param(IS_SMARTCARD_POLARITY(hsmartcard->Init.CLKPolarity)); - assert_param(IS_SMARTCARD_PHASE(hsmartcard->Init.CLKPhase)); - assert_param(IS_SMARTCARD_LASTBIT(hsmartcard->Init.CLKLastBit)); - assert_param(IS_SMARTCARD_ONE_BIT_SAMPLE(hsmartcard->Init.OneBitSampling)); - assert_param(IS_SMARTCARD_NACK(hsmartcard->Init.NACKEnable)); - assert_param(IS_SMARTCARD_TIMEOUT(hsmartcard->Init.TimeOutEnable)); - assert_param(IS_SMARTCARD_AUTORETRY_COUNT(hsmartcard->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 hsmartcard->Init.Parity value - * set TE and RE bits according to hsmartcard->Init.Mode value */ - tmpreg = (uint32_t) hsmartcard->Init.Parity | hsmartcard->Init.Mode; - tmpreg |= (uint32_t) hsmartcard->Init.WordLength; - MODIFY_REG(hsmartcard->Instance->CR1, USART_CR1_FIELDS, tmpreg); - - /*-------------------------- USART CR2 Configuration -----------------------*/ - /* Stop bits are forced to 1.5 (STOP = 11) */ - tmpreg = hsmartcard->Init.StopBits; - /* Synchronous mode is activated by default */ - tmpreg |= (uint32_t) USART_CR2_CLKEN | hsmartcard->Init.CLKPolarity; - tmpreg |= (uint32_t) hsmartcard->Init.CLKPhase | hsmartcard->Init.CLKLastBit; - tmpreg |= (uint32_t) hsmartcard->Init.TimeOutEnable; - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_FIELDS, tmpreg); - - /*-------------------------- USART CR3 Configuration -----------------------*/ - /* Configure - * - one-bit sampling method versus three samples' majority rule - * according to hsmartcard->Init.OneBitSampling - * - NACK transmission in case of parity error according - * to hsmartcard->Init.NACKEnable - * - autoretry counter according to hsmartcard->Init.AutoRetryCount */ - tmpreg = (uint32_t) hsmartcard->Init.OneBitSampling | hsmartcard->Init.NACKEnable; - tmpreg |= ((uint32_t)hsmartcard->Init.AutoRetryCount << SMARTCARD_CR3_SCARCNT_LSB_POS); - MODIFY_REG(hsmartcard->Instance-> CR3,USART_CR3_FIELDS, tmpreg); - - /*-------------------------- USART GTPR Configuration ----------------------*/ - tmpreg = (hsmartcard->Init.Prescaler | (((uint32_t)hsmartcard->Init.GuardTime-12) << SMARTCARD_GTPR_GT_LSB_POS)); - MODIFY_REG(hsmartcard->Instance->GTPR, (USART_GTPR_GT|USART_GTPR_PSC), tmpreg); - - /*-------------------------- USART RTOR Configuration ----------------------*/ - tmpreg = ((uint32_t)hsmartcard->Init.BlockLength << SMARTCARD_RTOR_BLEN_LSB_POS); - if (hsmartcard->Init.TimeOutEnable == SMARTCARD_TIMEOUT_ENABLE) - { - assert_param(IS_SMARTCARD_TIMEOUT_VALUE(hsmartcard->Init.TimeOutValue)); - tmpreg |= (uint32_t) hsmartcard->Init.TimeOutValue; - } - MODIFY_REG(hsmartcard->Instance->RTOR, (USART_RTOR_RTO|USART_RTOR_BLEN), tmpreg); - - /*-------------------------- USART BRR Configuration -----------------------*/ - SMARTCARD_GETCLOCKSOURCE(hsmartcard, clocksource); - switch (clocksource) - { - case SMARTCARD_CLOCKSOURCE_PCLK1: - hsmartcard->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK1Freq() / hsmartcard->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_PCLK2: - hsmartcard->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK2Freq() / hsmartcard->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_HSI: - hsmartcard->Instance->BRR = (uint16_t)(HSI_VALUE / hsmartcard->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_SYSCLK: - hsmartcard->Instance->BRR = (uint16_t)(HAL_RCC_GetSysClockFreq() / hsmartcard->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_LSE: - hsmartcard->Instance->BRR = (uint16_t)(LSE_VALUE / hsmartcard->Init.BaudRate); - break; - case SMARTCARD_CLOCKSOURCE_UNDEFINED: - default: - ret = HAL_ERROR; - break; - } - - return ret; -} - - -/** - * @brief Configure the SMARTCARD associated USART peripheral advanced features. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval None - */ -static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsmartcard) -{ - /* Check whether the set of advanced features to configure is properly set */ - assert_param(IS_SMARTCARD_ADVFEATURE_INIT(hsmartcard->AdvancedInit.AdvFeatureInit)); - - /* if required, configure TX pin active level inversion */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_TXINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_TXINV(hsmartcard->AdvancedInit.TxPinLevelInvert)); - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_TXINV, hsmartcard->AdvancedInit.TxPinLevelInvert); - } - - /* if required, configure RX pin active level inversion */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_RXINV(hsmartcard->AdvancedInit.RxPinLevelInvert)); - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_RXINV, hsmartcard->AdvancedInit.RxPinLevelInvert); - } - - /* if required, configure data inversion */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DATAINVERT_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_DATAINV(hsmartcard->AdvancedInit.DataInvert)); - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_DATAINV, hsmartcard->AdvancedInit.DataInvert); - } - - /* if required, configure RX/TX pins swap */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_SWAP_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_SWAP(hsmartcard->AdvancedInit.Swap)); - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_SWAP, hsmartcard->AdvancedInit.Swap); - } - - /* if required, configure RX overrun detection disabling */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXOVERRUNDISABLE_INIT)) - { - assert_param(IS_SMARTCARD_OVERRUN(hsmartcard->AdvancedInit.OverrunDisable)); - MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_OVRDIS, hsmartcard->AdvancedInit.OverrunDisable); - } - - /* if required, configure DMA disabling on reception error */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DMADISABLEONERROR_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_DMAONRXERROR(hsmartcard->AdvancedInit.DMADisableonRxError)); - MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_DDRE, hsmartcard->AdvancedInit.DMADisableonRxError); - } - - /* if required, configure MSB first on communication line */ - if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_MSBFIRST_INIT)) - { - assert_param(IS_SMARTCARD_ADVFEATURE_MSBFIRST(hsmartcard->AdvancedInit.MSBFirst)); - MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_MSBFIRST, hsmartcard->AdvancedInit.MSBFirst); - } - -} - -/** - * @brief Check the SMARTCARD Idle State. - * @param hsmartcard: Pointer to a SMARTCARD_HandleTypeDef structure that contains - * the configuration information for the specified SMARTCARD module. - * @retval HAL status - */ -static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsmartcard) -{ - - /* Initialize the SMARTCARD ErrorCode */ - hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE; - - /* Check if the Transmitter is enabled */ - if((hsmartcard->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) - { - /* Wait until TEACK flag is set */ - if(SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, USART_ISR_TEACK, RESET, SMARTCARD_TEACK_REACK_TIMEOUT) != HAL_OK) - { - return HAL_TIMEOUT; - } - } - /* Check if the Receiver is enabled */ - if((hsmartcard->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) - { - /* Wait until REACK flag is set */ - if(SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, USART_ISR_REACK, RESET, SMARTCARD_TEACK_REACK_TIMEOUT) != HAL_OK) - { - return HAL_TIMEOUT; - } - } - - /* Initialize the SMARTCARD state*/ - hsmartcard->State= HAL_SMARTCARD_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hsmartcard); - - return HAL_OK; -} - -/** - * @} - */ - -#endif /* HAL_SMARTCARD_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -