From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../Src/stm32h7xx_hal_smartcard_ex.c | 495 +++++++++++++++++++++ 1 file changed, 495 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_smartcard_ex.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_smartcard_ex.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_smartcard_ex.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_smartcard_ex.c new file mode 100644 index 0000000..09abece --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_smartcard_ex.c @@ -0,0 +1,495 @@ +/** + ****************************************************************************** + * @file stm32h7xx_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) 2017 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. + + (#) FIFO mode enabling/disabling and RX/TX FIFO threshold programming. + + -@- When SMARTCARD operates in FIFO mode, FIFO mode must be enabled prior + starting RX/TX transfers. Also RX/TX FIFO thresholds must be + configured prior starting RX/TX transfers. + + @endverbatim + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +/** @defgroup SMARTCARDEx SMARTCARDEx + * @brief SMARTCARD Extended HAL module driver + * @{ + */ +#ifdef HAL_SMARTCARD_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @defgroup SMARTCARDEx_Private_Constants SMARTCARD Extended Private Constants + * @{ + */ +/* UART RX FIFO depth */ +#define RX_FIFO_DEPTH 16U + +/* UART TX FIFO depth */ +#define TX_FIFO_DEPTH 16U +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static void SMARTCARDEx_SetNbDataToProcess(SMARTCARD_HandleTypeDef *hsmartcard); + +/* 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 + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] + This subsection provides a set of FIFO mode related callback functions. + + (#) TX/RX Fifos Callbacks: + (++) HAL_SMARTCARDEx_RxFifoFullCallback() + (++) HAL_SMARTCARDEx_TxFifoEmptyCallback() + +@endverbatim + * @{ + */ + +/** + * @brief SMARTCARD RX Fifo full callback. + * @param hsmartcard Pointer to a SMARTCARD_HandleTypeDef structure that contains + * the configuration information for the specified SMARTCARD module. + * @retval None + */ +__weak void HAL_SMARTCARDEx_RxFifoFullCallback(SMARTCARD_HandleTypeDef *hsmartcard) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hsmartcard); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SMARTCARDEx_RxFifoFullCallback can be implemented in the user file. + */ +} + +/** + * @brief SMARTCARD TX Fifo empty callback. + * @param hsmartcard Pointer to a SMARTCARD_HandleTypeDef structure that contains + * the configuration information for the specified SMARTCARD module. + * @retval None + */ +__weak void HAL_SMARTCARDEx_TxFifoEmptyCallback(SMARTCARD_HandleTypeDef *hsmartcard) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hsmartcard); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SMARTCARDEx_TxFifoEmptyCallback can be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup SMARTCARDEx_Exported_Functions_Group3 Extended Peripheral FIFO Control functions + * @brief SMARTCARD control functions + * +@verbatim + =============================================================================== + ##### Peripheral FIFO Control functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the SMARTCARD + FIFO feature. + (+) HAL_SMARTCARDEx_EnableFifoMode() API enables the FIFO mode + (+) HAL_SMARTCARDEx_DisableFifoMode() API disables the FIFO mode + (+) HAL_SMARTCARDEx_SetTxFifoThreshold() API sets the TX FIFO threshold + (+) HAL_SMARTCARDEx_SetRxFifoThreshold() API sets the RX FIFO threshold +@endverbatim + * @{ + */ + +/** + * @brief Enable the FIFO mode. + * @param hsmartcard SMARTCARD handle. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SMARTCARDEx_EnableFifoMode(SMARTCARD_HandleTypeDef *hsmartcard) +{ + uint32_t tmpcr1; + + /* Check parameters */ + assert_param(IS_UART_FIFO_INSTANCE(hsmartcard->Instance)); + + /* Process Locked */ + __HAL_LOCK(hsmartcard); + + hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; + + /* Save actual SMARTCARD configuration */ + tmpcr1 = READ_REG(hsmartcard->Instance->CR1); + + /* Disable SMARTCARD */ + __HAL_SMARTCARD_DISABLE(hsmartcard); + + /* Enable FIFO mode */ + SET_BIT(tmpcr1, USART_CR1_FIFOEN); + hsmartcard->FifoMode = SMARTCARD_FIFOMODE_ENABLE; + + /* Restore SMARTCARD configuration */ + WRITE_REG(hsmartcard->Instance->CR1, tmpcr1); + + /* Determine the number of data to process during RX/TX ISR execution */ + SMARTCARDEx_SetNbDataToProcess(hsmartcard); + + hsmartcard->gState = HAL_SMARTCARD_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hsmartcard); + + return HAL_OK; +} + +/** + * @brief Disable the FIFO mode. + * @param hsmartcard SMARTCARD handle. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SMARTCARDEx_DisableFifoMode(SMARTCARD_HandleTypeDef *hsmartcard) +{ + uint32_t tmpcr1; + + /* Check parameters */ + assert_param(IS_UART_FIFO_INSTANCE(hsmartcard->Instance)); + + /* Process Locked */ + __HAL_LOCK(hsmartcard); + + hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; + + /* Save actual SMARTCARD configuration */ + tmpcr1 = READ_REG(hsmartcard->Instance->CR1); + + /* Disable SMARTCARD */ + __HAL_SMARTCARD_DISABLE(hsmartcard); + + /* Enable FIFO mode */ + CLEAR_BIT(tmpcr1, USART_CR1_FIFOEN); + hsmartcard->FifoMode = SMARTCARD_FIFOMODE_DISABLE; + + /* Restore SMARTCARD configuration */ + WRITE_REG(hsmartcard->Instance->CR1, tmpcr1); + + hsmartcard->gState = HAL_SMARTCARD_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hsmartcard); + + return HAL_OK; +} + +/** + * @brief Set the TXFIFO threshold. + * @param hsmartcard SMARTCARD handle. + * @param Threshold TX FIFO threshold value + * This parameter can be one of the following values: + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_1_8 + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_1_4 + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_1_2 + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_3_4 + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_7_8 + * @arg @ref SMARTCARD_TXFIFO_THRESHOLD_8_8 + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SMARTCARDEx_SetTxFifoThreshold(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Threshold) +{ + uint32_t tmpcr1; + + /* Check parameters */ + assert_param(IS_UART_FIFO_INSTANCE(hsmartcard->Instance)); + assert_param(IS_SMARTCARD_TXFIFO_THRESHOLD(Threshold)); + + /* Process Locked */ + __HAL_LOCK(hsmartcard); + + hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; + + /* Save actual SMARTCARD configuration */ + tmpcr1 = READ_REG(hsmartcard->Instance->CR1); + + /* Disable SMARTCARD */ + __HAL_SMARTCARD_DISABLE(hsmartcard); + + /* Update TX threshold configuration */ + MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_TXFTCFG, Threshold); + + /* Determine the number of data to process during RX/TX ISR execution */ + SMARTCARDEx_SetNbDataToProcess(hsmartcard); + + /* Restore SMARTCARD configuration */ + MODIFY_REG(hsmartcard->Instance->CR1, USART_CR1_UE, tmpcr1); + + hsmartcard->gState = HAL_SMARTCARD_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hsmartcard); + + return HAL_OK; +} + +/** + * @brief Set the RXFIFO threshold. + * @param hsmartcard SMARTCARD handle. + * @param Threshold RX FIFO threshold value + * This parameter can be one of the following values: + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_1_8 + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_1_4 + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_1_2 + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_3_4 + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_7_8 + * @arg @ref SMARTCARD_RXFIFO_THRESHOLD_8_8 + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SMARTCARDEx_SetRxFifoThreshold(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Threshold) +{ + uint32_t tmpcr1; + + /* Check parameters */ + assert_param(IS_UART_FIFO_INSTANCE(hsmartcard->Instance)); + assert_param(IS_SMARTCARD_RXFIFO_THRESHOLD(Threshold)); + + /* Process Locked */ + __HAL_LOCK(hsmartcard); + + hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY; + + /* Save actual SMARTCARD configuration */ + tmpcr1 = READ_REG(hsmartcard->Instance->CR1); + + /* Disable SMARTCARD */ + __HAL_SMARTCARD_DISABLE(hsmartcard); + + /* Update RX threshold configuration */ + MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_RXFTCFG, Threshold); + + /* Determine the number of data to process during RX/TX ISR execution */ + SMARTCARDEx_SetNbDataToProcess(hsmartcard); + + /* Restore SMARTCARD configuration */ + MODIFY_REG(hsmartcard->Instance->CR1, USART_CR1_UE, tmpcr1); + + hsmartcard->gState = HAL_SMARTCARD_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hsmartcard); + + return HAL_OK; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup SMARTCARDEx_Private_Functions SMARTCARD Extended Private Functions + * @{ + */ + +/** + * @brief Calculate the number of data to process in RX/TX ISR. + * @note The RX FIFO depth and the TX FIFO depth is extracted from + * the USART configuration registers. + * @param hsmartcard SMARTCARD handle. + * @retval None + */ +static void SMARTCARDEx_SetNbDataToProcess(SMARTCARD_HandleTypeDef *hsmartcard) +{ + uint8_t rx_fifo_depth; + uint8_t tx_fifo_depth; + uint8_t rx_fifo_threshold; + uint8_t tx_fifo_threshold; + /* 2 0U/1U added for MISRAC2012-Rule-18.1_b and MISRAC2012-Rule-18.1_d */ + static const uint8_t numerator[] = {1U, 1U, 1U, 3U, 7U, 1U, 0U, 0U}; + static const uint8_t denominator[] = {8U, 4U, 2U, 4U, 8U, 1U, 1U, 1U}; + + if (hsmartcard->FifoMode == SMARTCARD_FIFOMODE_DISABLE) + { + hsmartcard->NbTxDataToProcess = 1U; + hsmartcard->NbRxDataToProcess = 1U; + } + else + { + rx_fifo_depth = RX_FIFO_DEPTH; + tx_fifo_depth = TX_FIFO_DEPTH; + rx_fifo_threshold = (uint8_t)(READ_BIT(hsmartcard->Instance->CR3, USART_CR3_RXFTCFG) >> USART_CR3_RXFTCFG_Pos); + tx_fifo_threshold = (uint8_t)(READ_BIT(hsmartcard->Instance->CR3, USART_CR3_TXFTCFG) >> USART_CR3_TXFTCFG_Pos); + hsmartcard->NbTxDataToProcess = ((uint16_t)tx_fifo_depth * numerator[tx_fifo_threshold]) / \ + (uint16_t)denominator[tx_fifo_threshold]; + hsmartcard->NbRxDataToProcess = ((uint16_t)rx_fifo_depth * numerator[rx_fifo_threshold]) / \ + (uint16_t)denominator[rx_fifo_threshold]; + } +} + +/** + * @} + */ + +#endif /* HAL_SMARTCARD_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + -- cgit v1.2.3