/** ****************************************************************************** * @file stm32f0xx_hal_smartcard_ex.c * @author MCD Application Team * @brief SMARTCARD HAL module driver. * This file provides extended firmware functions to manage the following * functionalities of the SmartCard. * + Initialization and de-initialization functions * + Peripheral Control functions * * @verbatim ============================================================================= ##### SMARTCARD peripheral extended features ##### ============================================================================= [..] The Extended SMARTCARD HAL driver can be used as follows: (#) After having configured the SMARTCARD basic features with HAL_SMARTCARD_Init(), then program SMARTCARD advanced features if required (TX/RX pins swap, TimeOut, auto-retry counter,...) in the hsmartcard AdvancedInit structure. @endverbatim ****************************************************************************** * @attention * *

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* * 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" #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070x6) && !defined(STM32F070xB) && !defined(STM32F030xC) /** @addtogroup STM32F0xx_HAL_Driver * @{ */ /** @defgroup SMARTCARDEx SMARTCARDEx * @brief SMARTCARD Extended HAL module driver * @{ */ #ifdef HAL_SMARTCARD_MODULE_ENABLED /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @defgroup SMARTCARDEx_Exported_Functions SMARTCARD Extended 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 Pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for the specified SMARTCARD module. * @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 Pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for the specified SMARTCARD module. * @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 Pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for the specified SMARTCARD module. * @retval HAL status */ HAL_StatusTypeDef HAL_SMARTCARDEx_EnableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard) { if(hsmartcard->gState == HAL_SMARTCARD_STATE_READY) { /* Process Locked */ __HAL_LOCK(hsmartcard); hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; /* Set the USART RTOEN bit */ SET_BIT(hsmartcard->Instance->CR2, USART_CR2_RTOEN); hsmartcard->gState = HAL_SMARTCARD_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hsmartcard); return HAL_OK; } else { return HAL_BUSY; } } /** * @brief Disable the SMARTCARD receiver timeout feature. * @param hsmartcard Pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for the specified SMARTCARD module. * @retval HAL status */ HAL_StatusTypeDef HAL_SMARTCARDEx_DisableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsmartcard) { if(hsmartcard->gState == HAL_SMARTCARD_STATE_READY) { /* Process Locked */ __HAL_LOCK(hsmartcard); hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; /* Clear the USART RTOEN bit */ CLEAR_BIT(hsmartcard->Instance->CR2, USART_CR2_RTOEN); hsmartcard->gState = HAL_SMARTCARD_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hsmartcard); return HAL_OK; } else { return HAL_BUSY; } } /** * @} */ /** * @} */ #endif /* HAL_SMARTCARD_MODULE_ENABLED */ /** * @} */ /** * @} */ #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070x6) && !defined(STM32F070xB) && !defined(STM32F030xC) */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/