| /** |
| ****************************************************************************** |
| * @file stm32l0xx_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 |
| * |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| @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 |
| ****************************************************************************** |
| */ |
| |
| #if !defined (STM32L010x4) && !defined (STM32L010x6) |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l0xx_hal.h" |
| |
| /** @addtogroup STM32L0xx_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 << USART_RTOR_BLEN_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; |
| } |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SMARTCARDEx_Exported_Functions_Group2 Extended Peripheral IO operation functions |
| * @brief SMARTCARD Transmit and Receive functions |
| * |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SMARTCARDEx_Private_Functions SMARTCARD Extended Private Functions |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* HAL_SMARTCARD_MODULE_ENABLED */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| #endif /* !defined (STM32L010x4) && !defined (STM32L010x6) */ |
| |