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******************************************************************************
* @file stm32f0xx_hal_smartcard_ex.c
* @author MCD Application Team
* @version V1.1.0
* @date 03-Oct-2014
* @brief SMARTCARD HAL module driver.
*
* This file provides extended firmware functions to manage the following
* functionalities of the SmartCard.
* + Initialization and de-initialization function
* + Peripheral Control function
*
*
@verbatim
===============================================================================
##### How to use this driver #####
===============================================================================
[..]
The Extended SMARTCARD HAL driver can be used as follows:
(#) After having configured the SMARTCARD basic features with HAL_SMARTCARD_Init(),
then if required, program SMARTCARD advanced features (TX/RX pins swap, TimeOut,
auto-retry counter,...) in the hsmartcard AdvancedInit structure.
@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 "stm32f0xx_hal.h"
/** @addtogroup STM32F0xx_HAL_Driver
* @{
*/
/** @defgroup SMARTCARDEx SMARTCARD Extended HAL module driver
* @brief SMARTCARD Extended HAL module driver
* @{
*/
#ifdef HAL_SMARTCARD_MODULE_ENABLED
#if !defined(STM32F030x6) && !defined(STM32F030x8)
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup SMARTCARDEx_Exported_Functions SMARTCARDEx Exported Functions
* @{
*/
/** @defgroup SMARTCARDEx_Exported_Functions_Group1 Extended Peripheral Control functions
* @brief Extended control functions
*
@verbatim
===============================================================================
##### Peripheral Control functions #####
===============================================================================
[..]
This subsection provides a set of functions allowing to initialize the SMARTCARD.
(+) HAL_SMARTCARDEx_BlockLength_Config() API allows to configure the Block Length on the fly
(+) HAL_SMARTCARDEx_TimeOut_Config() API allows to configure the receiver timeout value on the fly
(+) HAL_SMARTCARDEx_EnableReceiverTimeOut() API enables the receiver timeout feature
(+) HAL_SMARTCARDEx_DisableReceiverTimeOut() API disables the receiver timeout feature
@endverbatim
* @{
*/
/**
* @brief Update on the fly the SMARTCARD block length in RTOR register
* @param hsmartcard: SMARTCARD handle
* @param BlockLength: SMARTCARD block length (8-bit long at most)
* @retval None
*/
void HAL_SMARTCARDEx_BlockLength_Config(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t BlockLength)
{
MODIFY_REG(hsmartcard->Instance->RTOR, USART_RTOR_BLEN, ((uint32_t)BlockLength << SMARTCARD_RTOR_BLEN_LSB_POS));
}
/**
* @brief Update on the fly the receiver timeout value in RTOR register
* @param hsmartcard: SMARTCARD handle
* @param TimeOutValue: receiver timeout value in number of baud blocks. The timeout
* value must be less or equal to 0x0FFFFFFFF.
* @retval None
*/
void HAL_SMARTCARDEx_TimeOut_Config(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t TimeOutValue)
{
assert_param(IS_SMARTCARD_TIMEOUT_VALUE(hsmartcard->Init.TimeOutValue));
MODIFY_REG(hsmartcard->Instance->RTOR, USART_RTOR_RTO, TimeOutValue);
}
/**
* @brief Enable the SMARTCARD receiver timeout feature
* @param hsmartcard: SMARTCARD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMARTCARDEx_EnableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard)
{
/* Process Locked */
__HAL_LOCK(hsmartcard);
hsmartcard->State = HAL_SMARTCARD_STATE_BUSY;
/* Set the USART RTOEN bit */
hsmartcard->Instance->CR2 |= USART_CR2_RTOEN;
hsmartcard->State = HAL_SMARTCARD_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hsmartcard);
return HAL_OK;
}
/**
* @brief Disable the SMARTCARD receiver timeout feature
* @param hsmartcard: SMARTCARD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SMARTCARDEx_DisableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard)
{
/* Process Locked */
__HAL_LOCK(hsmartcard);
hsmartcard->State = HAL_SMARTCARD_STATE_BUSY;
/* Clear the USART RTOEN bit */
hsmartcard->Instance->CR2 &= ~(USART_CR2_RTOEN);
hsmartcard->State = HAL_SMARTCARD_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hsmartcard);
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */
#endif /* HAL_SMARTCARD_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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