mbed library sources
Dependents: frdm_kl05z_gpio_test
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targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_smartcard_ex.c
- Committer:
- shaoziyang
- Date:
- 2014-09-13
- Revision:
- 323:9e901b0a5aa1
- Parent:
- 181:a4cbdfbbd2f4
File content as of revision 323:9e901b0a5aa1:
/** ****************************************************************************** * @file stm32l0xx_hal_smartcard_ex.c * @author MCD Application Team * @version V1.0.0 * @date 22-April-2014 * @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 =============================================================================== ##### How to use this driver ##### =============================================================================== [..] The Extended SMARTCARD HAL driver can be used as follow: (#) 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 hsc 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 "stm32l0xx_hal.h" /** @addtogroup STM32L0xx_HAL_Driver * @{ */ /** @defgroup SMARTCARDEx * @brief SMARTCARD Extended HAL module driver * @{ */ #ifdef HAL_SMARTCARD_MODULE_ENABLED /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /** @defgroup SMARTCARDEx_Private_Functions * @{ */ /** @defgroup SMARTCARDEx_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 hsc: SMARTCARD handle * @param BlockLength: SMARTCARD block length (8-bit long at most) * @retval None */ void HAL_SMARTCARDEx_BlockLength_Config(SMARTCARD_HandleTypeDef *hsc, uint8_t BlockLength) { MODIFY_REG(hsc->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 hsc: 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 *hsc, uint32_t TimeOutValue) { assert_param(IS_SMARTCARD_TIMEOUT_VALUE(hsc->Init.TimeOutValue)); MODIFY_REG(hsc->Instance->RTOR, USART_RTOR_RTO, TimeOutValue); } /** * @brief Enable the SMARTCARD receiver timeout feature * @param hsc: SMARTCARD handle * @retval HAL status */ HAL_StatusTypeDef HAL_SMARTCARDEx_EnableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsc) { /* Process Locked */ __HAL_LOCK(hsc); hsc->State = HAL_SMARTCARD_STATE_BUSY; /* Set the USART RTOEN bit */ hsc->Instance->CR2 |= USART_CR2_RTOEN; hsc->State = HAL_SMARTCARD_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hsc); return HAL_OK; } /** * @brief Disable the SMARTCARD receiver timeout feature * @param hsc: SMARTCARD handle * @retval HAL status */ HAL_StatusTypeDef HAL_SMARTCARDEx_DisableReceiverTimeOut(SMARTCARD_HandleTypeDef *hsc) { /* Process Locked */ __HAL_LOCK(hsc); hsc->State = HAL_SMARTCARD_STATE_BUSY; /* Clear the USART RTOEN bit */ hsc->Instance->CR2 &= ~(USART_CR2_RTOEN); hsc->State = HAL_SMARTCARD_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hsc); return HAL_OK; } /** * @} */ /** * @} */ #endif /* HAL_SMARTCARD_MODULE_ENABLED */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/