+++ /dev/null
-/**
- ******************************************************************************
- * @file stm32f4xx_hal_smartcard.c
- * @author MCD Application Team
- * @version V1.1.0
- * @date 19-June-2014
- * @brief SMARTCARD HAL module driver.
- * This file provides firmware functions to manage the following
- * functionalities of the SMARTCARD peripheral:
- * + Initialization and de-initialization functions
- * + IO operation functions
- * + Peripheral State and Errors functions
- *
- @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
- [..]
- The SMARTCARD HAL driver can be used as follows:
-
- (#) Declare a SMARTCARD_HandleTypeDef handle structure.
- (#) Initialize the SMARTCARD low level resources by implementing the HAL_SMARTCARD_MspInit() API:
- (##) Enable the USARTx interface clock.
- (##) SMARTCARD pins configuration:
- (+++) Enable the clock for the SMARTCARD GPIOs.
- (+++) Configure these SMARTCARD pins as alternate function pull-up.
- (##) NVIC configuration if you need to use interrupt process (HAL_SMARTCARD_Transmit_IT()
- and HAL_SMARTCARD_Receive_IT() APIs):
- (+++) Configure the USARTx interrupt priority.
- (+++) Enable the NVIC USART IRQ handle.
- (##) 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 initilalized 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, Word Length , Stop Bit, Parity, Hardware
- flow control and Mode(Receiver/Transmitter) in the SMARTCARD Init structure.
-
- (#) Initialize the SMARTCARD registers by calling the HAL_SMARTCARD_Init() API:
- (++) These APIs configure also the low level Hardware GPIO, CLOCK, CORTEX...etc)
- by calling the customed HAL_SMARTCARD_MspInit() API.
- [..]
- (@) The specific SMARTCARD interrupts (Transmission complete interrupt,
- RXNE interrupt and Error Interrupts) will be managed using the macros
- __SMARTCARD_ENABLE_IT() and __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_ENABLE: Enable the SMARTCARD peripheral
- (+) __HAL_SMARTCARD_DISABLE: Disable the SMARTCARD peripheral
- (+) __HAL_SMARTCARD_GET_FLAG : Check whether the specified SMARTCARD flag is set or not
- (+) __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
-
- [..]
- (@) You can refer to the SMARTCARD HAL driver header file for more useful macros
-
- @endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f4xx_hal.h"
-
-/** @addtogroup STM32F4xx_HAL_Driver
- * @{
- */
-
-/** @defgroup SMARTCARD
- * @brief HAL USART SMARTCARD module driver
- * @{
- */
-#ifdef HAL_SMARTCARD_MODULE_ENABLED
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define SMARTCARD_TIMEOUT_VALUE 22000
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-static void SMARTCARD_SetConfig (SMARTCARD_HandleTypeDef *hsc);
-static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc);
-static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc);
-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_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup SMARTCARD_Private_Functions
- * @{
- */
-
-/** @defgroup SMARTCARD_Group1 SmartCard Initialization and de-initialization functions
- * @brief Initialization and Configuration functions
- *
-@verbatim
- ===============================================================================
- ##### Initialization and Configuration functions #####
- ===============================================================================
- [..]
- This subsection provides a set of functions allowing to initialize the USART
- in Smartcard mode.
- [..]
- The Smartcard interface is designed to support asynchronous protocol Smartcards as
- defined in the ISO 7816-3 standard.
- [..]
- The USART can provide a clock to the smartcard through the SCLK output.
- In smartcard mode, SCLK is not associated to the communication but is simply derived
- from the internal peripheral input clock through a 5-bit prescaler.
- [..]
- (+) For the asynchronous mode only these parameters can be configured:
- (++) Baud Rate
- (++) Word Length
- (++) Stop Bit
- (++) Parity: If the parity is enabled, then the MSB bit of the data written
- in the data register is transmitted but is changed by the parity bit.
- Depending on the frame length defined by the M bit (8-bits or 9-bits),
- please refer to Reference manual for possible SMARTDARD frame formats.
- (++) USART polarity
- (++) USART phase
- (++) USART LastBit
- (++) Receiver/transmitter modes
- (++) Prescaler
- (++) GuardTime
- (++) NACKState: The Smartcard NACK state
-
- (+) Recommended SmartCard interface configuration to get the Answer to Reset from the Card:
- (++) Word Length = 9 Bits
- (++) 1.5 Stop Bit
- (++) Even parity
- (++) BaudRate = 12096 baud
- (++) Tx and Rx enabled
- [..]
- Please refer to the ISO 7816-3 specification for more details.
-
- -@- It is also possible to choose 0.5 stop bit for receiving but it is recommended
- to use 1.5 stop bits for both transmitting and receiving to avoid switching
- between the two configurations.
- [..]
- The HAL_SMARTCARD_Init() function follows the USART SmartCard configuration
- procedure (details for the procedure are available in reference manual (RM0329)).
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the SmartCard mode according to the specified
- * parameters in the SMARTCARD_InitTypeDef and create the associated handle .
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsc)
-{
- /* Check the SMARTCARD handle allocation */
- if(hsc == HAL_NULL)
- {
- return HAL_ERROR;
- }
-
- /* Check the parameters */
- assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
- assert_param(IS_SMARTCARD_NACK_STATE(hsc->Init.NACKState));
-
- if(hsc->State == HAL_SMARTCARD_STATE_RESET)
- {
- /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */
- HAL_SMARTCARD_MspInit(hsc);
- }
-
- hsc->State = HAL_SMARTCARD_STATE_BUSY;
-
- /* Set the Prescaler */
- MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_PSC, hsc->Init.Prescaler);
-
- /* Set the Guard Time */
- MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_GT, ((hsc->Init.GuardTime)<<8));
-
- /* Set the Smartcard Communication parameters */
- SMARTCARD_SetConfig(hsc);
-
- /* In SmartCard mode, the following bits must be kept cleared:
- - LINEN bit 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_IREN | USART_CR3_HDSEL);
-
- /* Enable the SMARTCARD Parity Error Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Enable the SMARTCARD Framing Error Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- /* Enable the Peripharal */
- __SMARTCARD_ENABLE(hsc);
-
- /* Configure the Smartcard NACK state */
- MODIFY_REG(hsc->Instance->CR3, USART_CR3_NACK, hsc->Init.NACKState);
-
- /* Enable the SC mode by setting the SCEN bit in the CR3 register */
- hsc->Instance->CR3 |= (USART_CR3_SCEN);
-
- /* Initialize the SMARTCARD state*/
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief DeInitializes the USART SmartCard peripheral
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsc)
-{
- /* Check the SMARTCARD handle allocation */
- if(hsc == HAL_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: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @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: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @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
- */
-}
-
-/**
- * @}
- */
-
-/** @defgroup SMARTCARD_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.
- [..]
- IrDA is a half duplex communication protocol. If the Transmitter is busy, any data
- on the IrDA receive line will be ignored by the IrDA decoder and if the Receiver
- is busy, data on the TX from the USART to IrDA will not be encoded by IrDA.
- While receiving data, transmission should be avoided as the data to be transmitted
- could be corrupted.
-
- (#) 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.
- (++) Non Blocking mode: The communication is performed using Interrupts
- or DMA, These APIs 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 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 hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for 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 *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
- {
- if((pData == HAL_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(hsc->Init.WordLength == SMARTCARD_WORDLENGTH_9B)
- {
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- tmp = (uint16_t*) pData;
- hsc->Instance->DR = (*tmp & (uint16_t)0x01FF);
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- pData +=2;
- }
- else
- {
- pData +=1;
- }
- }
- else
- {
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- hsc->Instance->DR = (*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: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for 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 *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == HAL_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(hsc->Init.WordLength == SMARTCARD_WORDLENGTH_9B)
- {
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- tmp = (uint16_t*) pData;
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x01FF);
- pData +=2;
- }
- else
- {
- *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x00FF);
- pData +=1;
- }
- }
- else
- {
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- *pData++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0x00FF);
- }
- else
- {
- *pData++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0x007F);
- }
- }
- }
-
- /* 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 non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for 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 *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
- {
- if((pData == HAL_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 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;
- }
-
- /* Enable the SMARTCARD Parity Error Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- /* Enable the SMARTCARD Transmit data register empty Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TXE);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receive an amount of data in non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for 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 *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == HAL_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 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;
- }
-
- /* Enable the SMARTCARD Data Register not empty Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- /* Enable the SMARTCARD Parity Error Interrupt */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Send an amount of data in non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for 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 *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
- {
- if((pData == HAL_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 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;
- }
-
- /* Set the SMARTCARD DMA transfert complete callback */
- hsc->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt;
-
- /* Set the DMA 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->DR, Size);
-
- /* Enable the DMA transfer for transmit request by setting the DMAT bit
- in the SMARTCARD 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 non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @param pData: pointer to data buffer
- * @param Size: amount of data to be received
- * @note When the SMARTCARD parity is enabled (PCE = 1) the data received contain the parity bit.s
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
- {
- if((pData == HAL_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 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;
- }
-
- /* Set the SMARTCARD DMA transfert complete callback */
- hsc->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt;
-
- /* Set the 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->DR, *(uint32_t*)tmp, Size);
-
- /* Enable the DMA transfer for the receiver request by setting the DMAR bit
- in the SMARTCARD CR3 register */
- hsc->Instance->CR3 |= USART_CR3_DMAR;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief This function handles SMARTCARD interrupt request.
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval None
- */
-void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc)
-{
- uint32_t tmp1 = 0, tmp2 = 0;
-
- tmp1 = hsc->Instance->SR;
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_PE);
-
- /* SMARTCARD parity error interrupt occured --------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_PE) != RESET) && (tmp2 != RESET))
- {
- __HAL_SMARTCARD_CLEAR_PEFLAG(hsc);
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
- }
-
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
- /* SMARTCARD frame error interrupt occured ---------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_FE) != RESET) && (tmp2 != RESET))
- {
- __HAL_SMARTCARD_CLEAR_FEFLAG(hsc);
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
- }
-
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
- /* SMARTCARD noise error interrupt occured ---------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_NE) != RESET) && (tmp2 != RESET))
- {
- __HAL_SMARTCARD_CLEAR_NEFLAG(hsc);
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
- }
-
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
- /* SMARTCARD Over-Run interrupt occured ------------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_ORE) != RESET) && (tmp2 != RESET))
- {
- __HAL_SMARTCARD_CLEAR_OREFLAG(hsc);
- hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
- }
-
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RXNE);
- /* SMARTCARD in mode Receiver ----------------------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_RXNE) != RESET) && (tmp2 != RESET))
- {
- SMARTCARD_Receive_IT(hsc);
- }
-
- tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TXE);
- /* SMARTCARD in mode Transmitter -------------------------------------------*/
- if(((tmp1 & SMARTCARD_FLAG_TXE) != RESET) && (tmp2 != RESET))
- {
- SMARTCARD_Transmit_IT(hsc);
- }
-
- /* Call the Error call Back in case of Errors */
- if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
- {
- /* Set the SMARTCARD state ready to be able to start again the process */
- hsc->State= HAL_SMARTCARD_STATE_READY;
- HAL_SMARTCARD_ErrorCallback(hsc);
- }
-}
-
-/**
- * @brief Tx Transfer completed callbacks
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @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: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @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: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval None
- */
- __weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc)
-{
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_SMARTCARD_ErrorCallback could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-/** @defgroup SMARTCARD_Group3 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 control the SmartCard.
- (+) HAL_SMARTCARD_GetState() API can be helpful to check in run-time the state of the SmartCard peripheral.
- (+) HAL_SMARTCARD_GetError() check in run-time errors that could be occured durung communication.
-@endverbatim
- * @{
- */
-
-/**
- * @brief return the SMARTCARD state
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @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 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* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
-
- hsc->TxXferCount = 0;
-
- /* Disable the DMA transfer for transmit request by setting the DMAT bit
- in the USART CR3 register */
- hsc->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT);
-
- /* Wait for SMARTCARD TC Flag */
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, SMARTCARD_TIMEOUT_VALUE) != HAL_OK)
- {
- /* Timeout Occured */
- hsc->State = HAL_SMARTCARD_STATE_TIMEOUT;
- HAL_SMARTCARD_ErrorCallback(hsc);
- }
- else
- {
- /* No 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;
- }
- HAL_SMARTCARD_TxCpltCallback(hsc);
- }
-}
-
-/**
- * @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* 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 USART CR3 register */
- hsc->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR);
-
- /* 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;
- }
-
- HAL_SMARTCARD_RxCpltCallback(hsc);
-}
-
-/**
- * @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* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
-
- hsc->RxXferCount = 0;
- hsc->TxXferCount = 0;
- hsc->ErrorCode = HAL_SMARTCARD_ERROR_DMA;
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
- HAL_SMARTCARD_ErrorCallback(hsc);
-}
-
-/**
- * @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 = 0;
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- /* Wait until flag is set */
- if(Status == RESET)
- {
- while(__HAL_SMARTCARD_GET_FLAG(hsc, Flag) == RESET)
- {
- /* Check for the Timeout */
- if(Timeout != HAL_MAX_DELAY)
- {
- if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
- {
- /* Disable TXE and RXNE interrupts for the interrupt process */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- 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 and RXNE interrupts for the interrupt process */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- hsc->State= HAL_SMARTCARD_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hsc);
-
- return HAL_TIMEOUT;
- }
- }
- }
- }
- return HAL_OK;
-}
-
-/**
- * @brief Send an amount of data in non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval HAL status
- */
-static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_BUSY_TX) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX_RX))
- {
- if(hsc->Init.WordLength == SMARTCARD_WORDLENGTH_9B)
- {
- tmp = (uint16_t*) hsc->pTxBuffPtr;
- hsc->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- hsc->pTxBuffPtr += 2;
- }
- else
- {
- hsc->pTxBuffPtr += 1;
- }
- }
- else
- {
- hsc->Instance->DR = (uint8_t)(*hsc->pTxBuffPtr++ & (uint8_t)0x00FF);
- }
-
- if(--hsc->TxXferCount == 0)
- {
- /* Disable the SMARTCARD Transmit data register empty Interrupt */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
-
- /* Disable the SMARTCARD Parity Error Interrupt */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, SMARTCARD_TIMEOUT_VALUE) != 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;
- }
-
- HAL_SMARTCARD_TxCpltCallback(hsc);
-
- return HAL_OK;
- }
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receive an amount of data in non blocking mode
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval HAL status
- */
-static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = hsc->State;
- if((tmp1 == HAL_SMARTCARD_STATE_BUSY_RX) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX_RX))
- {
- if(hsc->Init.WordLength == SMARTCARD_WORDLENGTH_9B)
- {
- tmp = (uint16_t*) hsc->pRxBuffPtr;
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x01FF);
- hsc->pRxBuffPtr += 2;
- }
- else
- {
- *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x00FF);
- hsc->pRxBuffPtr += 1;
- }
- }
- else
- {
- if(hsc->Init.Parity == SMARTCARD_PARITY_NONE)
- {
- *hsc->pRxBuffPtr++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0x00FF);
- }
- else
- {
- *hsc->pRxBuffPtr++ = (uint8_t)(hsc->Instance->DR & (uint8_t)0x007F);
- }
- }
-
- if(--hsc->RxXferCount == 0)
- {
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
-
- /* Disable the SMARTCARD Parity Error Interrupt */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE);
-
- /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
- __SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR);
-
- /* 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;
- }
-
- HAL_SMARTCARD_RxCpltCallback(hsc);
-
- return HAL_OK;
- }
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Configure the SMARTCARD peripheral
- * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
- * the configuration information for SMARTCARD module.
- * @retval None
- */
-static void SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsc)
-{
- uint32_t tmpreg = 0x00;
-
- /* Check the parameters */
- assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
- 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_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_NACK_STATE(hsc->Init.NACKState));
-
- /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the
- receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */
- hsc->Instance->CR1 &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
-
- /*---------------------------- USART CR2 Configuration ---------------------*/
- tmpreg = hsc->Instance->CR2;
- /* Clear CLKEN, CPOL, CPHA and LBCL bits */
- tmpreg &= (uint32_t)~((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL));
- /* Configure the SMARTCARD Clock, CPOL, CPHA and LastBit -----------------------*/
- /* Set CPOL bit according to hsc->Init.CLKPolarity value */
- /* Set CPHA bit according to hsc->Init.CLKPhase value */
- /* Set LBCL bit according to hsc->Init.CLKLastBit value */
- /* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
- tmpreg |= (uint32_t)(USART_CR2_CLKEN | hsc->Init.CLKPolarity |
- hsc->Init.CLKPhase| hsc->Init.CLKLastBit | hsc->Init.StopBits);
- /* Write to USART CR2 */
- hsc->Instance->CR2 = (uint32_t)tmpreg;
-
- tmpreg = hsc->Instance->CR2;
-
- /* Clear STOP[13:12] bits */
- tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
-
- /* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
- tmpreg |= (uint32_t)(hsc->Init.StopBits);
-
- /* Write to USART CR2 */
- hsc->Instance->CR2 = (uint32_t)tmpreg;
-
- /*-------------------------- USART CR1 Configuration -----------------------*/
- tmpreg = hsc->Instance->CR1;
-
- /* Clear M, PCE, PS, TE and RE bits */
- tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | \
- USART_CR1_RE));
-
- /* Configure the SMARTCARD Word Length, Parity and mode:
- Set the M bits according to hsc->Init.WordLength value
- Set PCE and PS bits according to hsc->Init.Parity value
- Set TE and RE bits according to hsc->Init.Mode value */
- tmpreg |= (uint32_t)hsc->Init.WordLength | hsc->Init.Parity | hsc->Init.Mode;
-
- /* Write to USART CR1 */
- hsc->Instance->CR1 = (uint32_t)tmpreg;
-
- /*-------------------------- USART CR3 Configuration -----------------------*/
- /* Clear CTSE and RTSE bits */
- hsc->Instance->CR3 &= (uint32_t)~((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE));
-
- /*-------------------------- USART BRR Configuration -----------------------*/
- if((hsc->Instance == USART1) || (hsc->Instance == USART6))
- {
- hsc->Instance->BRR = __SMARTCARD_BRR(HAL_RCC_GetPCLK2Freq(), hsc->Init.BaudRate);
- }
- else
- {
- hsc->Instance->BRR = __SMARTCARD_BRR(HAL_RCC_GetPCLK1Freq(), hsc->Init.BaudRate);
- }
-}
-
-/**
- * @}
- */
-
-#endif /* HAL_SMARTCARD_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
projects / qmk_firmware.git / blobdiff