From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c | 559 +++++++++++++++++++++ 1 file changed, 559 insertions(+) create mode 100644 fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c (limited to 'fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c') diff --git a/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c b/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c new file mode 100644 index 0000000..1adb8f7 --- /dev/null +++ b/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_exti.c @@ -0,0 +1,559 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_exti.c + * @author MCD Application Team + * @brief EXTI HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Extended Interrupts and events controller (EXTI) peripheral: + * + Initialization and de-initialization functions + * + IO operation functions + * + @verbatim + ============================================================================== + ##### EXTI Peripheral features ##### + ============================================================================== + [..] + (+) Each Exti line can be configured within this driver. + + (+) Exti line can be configured in 3 different modes + (++) Interrupt + (++) Event + (++) Both of them + + (+) Configurable Exti lines can be configured with 3 different triggers + (++) Rising + (++) Falling + (++) Both of them + + (+) When set in interrupt mode, configurable Exti lines have two different + interrupts pending registers which allow to distinguish which transition + occurs: + (++) Rising edge pending interrupt + (++) Falling + + (+) Exti lines 0 to 15 are linked to gpio pin number 0 to 15. Gpio port can + be selected through multiplexer. + + ##### How to use this driver ##### + ============================================================================== + [..] + + (#) Configure the EXTI line using HAL_EXTI_SetConfigLine(). + (++) Choose the interrupt line number by setting "Line" member from + EXTI_ConfigTypeDef structure. + (++) Configure the interrupt and/or event mode using "Mode" member from + EXTI_ConfigTypeDef structure. + (++) For configurable lines, configure rising and/or falling trigger + "Trigger" member from EXTI_ConfigTypeDef structure. + (++) For Exti lines linked to gpio, choose gpio port using "GPIOSel" + member from GPIO_InitTypeDef structure. + + (#) Get current Exti configuration of a dedicated line using + HAL_EXTI_GetConfigLine(). + (++) Provide exiting handle as parameter. + (++) Provide pointer on EXTI_ConfigTypeDef structure as second parameter. + + (#) Clear Exti configuration of a dedicated line using HAL_EXTI_GetConfigLine(). + (++) Provide exiting handle as parameter. + + (#) Register callback to treat Exti interrupts using HAL_EXTI_RegisterCallback(). + (++) Provide exiting handle as first parameter. + (++) Provide which callback will be registered using one value from + EXTI_CallbackIDTypeDef. + (++) Provide callback function pointer. + + (#) Get interrupt pending bit using HAL_EXTI_GetPending(). + + (#) Clear interrupt pending bit using HAL_EXTI_GetPending(). + + (#) Generate software interrupt using HAL_EXTI_GenerateSWI(). + + @endverbatim + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2019 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_hal.h" + +/** @addtogroup STM32F0xx_HAL_Driver + * @{ + */ + +/** @addtogroup EXTI + * @{ + */ +/** MISRA C:2012 deviation rule has been granted for following rule: + * Rule-18.1_b - Medium: Array `EXTICR' 1st subscript interval [0,7] may be out + * of bounds [0,3] in following API : + * HAL_EXTI_SetConfigLine + * HAL_EXTI_GetConfigLine + * HAL_EXTI_ClearConfigLine + */ + +#ifdef HAL_EXTI_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private defines -----------------------------------------------------------*/ +/** @defgroup EXTI_Private_Constants EXTI Private Constants + * @{ + */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ + +/** @addtogroup EXTI_Exported_Functions + * @{ + */ + +/** @addtogroup EXTI_Exported_Functions_Group1 + * @brief Configuration functions + * +@verbatim + =============================================================================== + ##### Configuration functions ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Set configuration of a dedicated Exti line. + * @param hexti Exti handle. + * @param pExtiConfig Pointer on EXTI configuration to be set. + * @retval HAL Status. + */ +HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig) +{ + uint32_t regval; + uint32_t linepos; + uint32_t maskline; + + /* Check null pointer */ + if ((hexti == NULL) || (pExtiConfig == NULL)) + { + return HAL_ERROR; + } + + /* Check parameters */ + assert_param(IS_EXTI_LINE(pExtiConfig->Line)); + assert_param(IS_EXTI_MODE(pExtiConfig->Mode)); + + /* Assign line number to handle */ + hexti->Line = pExtiConfig->Line; + + /* Compute line mask */ + linepos = (pExtiConfig->Line & EXTI_PIN_MASK); + maskline = (1uL << linepos); + + /* Configure triggers for configurable lines */ + if ((pExtiConfig->Line & EXTI_CONFIG) != 0x00u) + { + assert_param(IS_EXTI_TRIGGER(pExtiConfig->Trigger)); + + /* Configure rising trigger */ + /* Mask or set line */ + if ((pExtiConfig->Trigger & EXTI_TRIGGER_RISING) != 0x00u) + { + EXTI->RTSR |= maskline; + } + else + { + EXTI->RTSR &= ~maskline; + } + + /* Configure falling trigger */ + /* Mask or set line */ + if ((pExtiConfig->Trigger & EXTI_TRIGGER_FALLING) != 0x00u) + { + EXTI->FTSR |= maskline; + } + else + { + EXTI->FTSR &= ~maskline; + } + + + /* Configure gpio port selection in case of gpio exti line */ + if ((pExtiConfig->Line & EXTI_GPIO) == EXTI_GPIO) + { + assert_param(IS_EXTI_GPIO_PORT(pExtiConfig->GPIOSel)); + assert_param(IS_EXTI_GPIO_PIN(linepos)); + + regval = SYSCFG->EXTICR[linepos >> 2u]; + regval &= ~(SYSCFG_EXTICR1_EXTI0 << (SYSCFG_EXTICR1_EXTI1_Pos * (linepos & 0x03u))); + regval |= (pExtiConfig->GPIOSel << (SYSCFG_EXTICR1_EXTI1_Pos * (linepos & 0x03u))); + SYSCFG->EXTICR[linepos >> 2u] = regval; + } + } + + /* Configure interrupt mode : read current mode */ + /* Mask or set line */ + if ((pExtiConfig->Mode & EXTI_MODE_INTERRUPT) != 0x00u) + { + EXTI->IMR |= maskline; + } + else + { + EXTI->IMR &= ~maskline; + } + + /* Configure event mode : read current mode */ + /* Mask or set line */ + if ((pExtiConfig->Mode & EXTI_MODE_EVENT) != 0x00u) + { + EXTI->EMR |= maskline; + } + else + { + EXTI->EMR &= ~maskline; + } + + return HAL_OK; +} + +/** + * @brief Get configuration of a dedicated Exti line. + * @param hexti Exti handle. + * @param pExtiConfig Pointer on structure to store Exti configuration. + * @retval HAL Status. + */ +HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig) +{ + uint32_t regval; + uint32_t linepos; + uint32_t maskline; + + /* Check null pointer */ + if ((hexti == NULL) || (pExtiConfig == NULL)) + { + return HAL_ERROR; + } + + /* Check the parameter */ + assert_param(IS_EXTI_LINE(hexti->Line)); + + /* Store handle line number to configuration structure */ + pExtiConfig->Line = hexti->Line; + + /* Compute line mask */ + linepos = (pExtiConfig->Line & EXTI_PIN_MASK); + maskline = (1uL << linepos); + + /* 1] Get core mode : interrupt */ + + /* Check if selected line is enable */ + if ((EXTI->IMR & maskline) != 0x00u) + { + pExtiConfig->Mode = EXTI_MODE_INTERRUPT; + } + else + { + pExtiConfig->Mode = EXTI_MODE_NONE; + } + + /* Get event mode */ + /* Check if selected line is enable */ + if ((EXTI->EMR & maskline) != 0x00u) + { + pExtiConfig->Mode |= EXTI_MODE_EVENT; + } + + /* 2] Get trigger for configurable lines : rising */ + if ((pExtiConfig->Line & EXTI_CONFIG) != 0x00u) + { + /* Check if configuration of selected line is enable */ + if ((EXTI->RTSR & maskline) != 0x00u) + { + pExtiConfig->Trigger = EXTI_TRIGGER_RISING; + } + else + { + pExtiConfig->Trigger = EXTI_TRIGGER_NONE; + } + + /* Get falling configuration */ + /* Check if configuration of selected line is enable */ + if ((EXTI->FTSR & maskline) != 0x00u) + { + pExtiConfig->Trigger |= EXTI_TRIGGER_FALLING; + } + + /* Get Gpio port selection for gpio lines */ + if ((pExtiConfig->Line & EXTI_GPIO) == EXTI_GPIO) + { + assert_param(IS_EXTI_GPIO_PIN(linepos)); + + regval = SYSCFG->EXTICR[linepos >> 2u]; + pExtiConfig->GPIOSel = ((regval << (SYSCFG_EXTICR1_EXTI1_Pos * (3uL - (linepos & 0x03u)))) >> 24); + } + else + { + pExtiConfig->GPIOSel = 0x00u; + } + } + else + { + /* No Trigger selected */ + pExtiConfig->Trigger = EXTI_TRIGGER_NONE; + pExtiConfig->GPIOSel = 0x00u; + } + + return HAL_OK; +} + +/** + * @brief Clear whole configuration of a dedicated Exti line. + * @param hexti Exti handle. + * @retval HAL Status. + */ +HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti) +{ + uint32_t regval; + uint32_t linepos; + uint32_t maskline; + + /* Check null pointer */ + if (hexti == NULL) + { + return HAL_ERROR; + } + + /* Check the parameter */ + assert_param(IS_EXTI_LINE(hexti->Line)); + + /* compute line mask */ + linepos = (hexti->Line & EXTI_PIN_MASK); + maskline = (1uL << linepos); + + /* 1] Clear interrupt mode */ + EXTI->IMR = (EXTI->IMR & ~maskline); + + /* 2] Clear event mode */ + EXTI->EMR = (EXTI->EMR & ~maskline); + + /* 3] Clear triggers in case of configurable lines */ + if ((hexti->Line & EXTI_CONFIG) != 0x00u) + { + EXTI->RTSR = (EXTI->RTSR & ~maskline); + EXTI->FTSR = (EXTI->FTSR & ~maskline); + + /* Get Gpio port selection for gpio lines */ + if ((hexti->Line & EXTI_GPIO) == EXTI_GPIO) + { + assert_param(IS_EXTI_GPIO_PIN(linepos)); + + regval = SYSCFG->EXTICR[linepos >> 2u]; + regval &= ~(SYSCFG_EXTICR1_EXTI0 << (SYSCFG_EXTICR1_EXTI1_Pos * (linepos & 0x03u))); + SYSCFG->EXTICR[linepos >> 2u] = regval; + } + } + + return HAL_OK; +} + +/** + * @brief Register callback for a dedicated Exti line. + * @param hexti Exti handle. + * @param CallbackID User callback identifier. + * This parameter can be one of @arg @ref EXTI_CallbackIDTypeDef values. + * @param pPendingCbfn function pointer to be stored as callback. + * @retval HAL Status. + */ +HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, void (*pPendingCbfn)(void)) +{ + HAL_StatusTypeDef status = HAL_OK; + + switch (CallbackID) + { + case HAL_EXTI_COMMON_CB_ID: + hexti->PendingCallback = pPendingCbfn; + break; + + default: + status = HAL_ERROR; + break; + } + + return status; +} + +/** + * @brief Store line number as handle private field. + * @param hexti Exti handle. + * @param ExtiLine Exti line number. + * This parameter can be from 0 to @ref EXTI_LINE_NB. + * @retval HAL Status. + */ +HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine) +{ + /* Check the parameters */ + assert_param(IS_EXTI_LINE(ExtiLine)); + + /* Check null pointer */ + if (hexti == NULL) + { + return HAL_ERROR; + } + else + { + /* Store line number as handle private field */ + hexti->Line = ExtiLine; + + return HAL_OK; + } +} + +/** + * @} + */ + +/** @addtogroup EXTI_Exported_Functions_Group2 + * @brief EXTI IO functions. + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Handle EXTI interrupt request. + * @param hexti Exti handle. + * @retval none. + */ +void HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti) +{ + uint32_t regval; + uint32_t maskline; + + /* Compute line mask */ + maskline = (1uL << (hexti->Line & EXTI_PIN_MASK)); + + /* Get pending bit */ + regval = (EXTI->PR & maskline); + if (regval != 0x00u) + { + /* Clear pending bit */ + EXTI->PR = maskline; + + /* Call callback */ + if (hexti->PendingCallback != NULL) + { + hexti->PendingCallback(); + } + } +} + +/** + * @brief Get interrupt pending bit of a dedicated line. + * @param hexti Exti handle. + * @param Edge Specify which pending edge as to be checked. + * This parameter can be one of the following values: + * @arg @ref EXTI_TRIGGER_RISING_FALLING + * This parameter is kept for compatibility with other series. + * @retval 1 if interrupt is pending else 0. + */ +uint32_t HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge) +{ + uint32_t regval; + uint32_t linepos; + uint32_t maskline; + + /* Check parameters */ + assert_param(IS_EXTI_LINE(hexti->Line)); + assert_param(IS_EXTI_CONFIG_LINE(hexti->Line)); + assert_param(IS_EXTI_PENDING_EDGE(Edge)); + + /* Compute line mask */ + linepos = (hexti->Line & EXTI_PIN_MASK); + maskline = (1uL << linepos); + + /* return 1 if bit is set else 0 */ + regval = ((EXTI->PR & maskline) >> linepos); + return regval; +} + +/** + * @brief Clear interrupt pending bit of a dedicated line. + * @param hexti Exti handle. + * @param Edge Specify which pending edge as to be clear. + * This parameter can be one of the following values: + * @arg @ref EXTI_TRIGGER_RISING_FALLING + * This parameter is kept for compatibility with other series. + * @retval None. + */ +void HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge) +{ + uint32_t maskline; + + /* Check parameters */ + assert_param(IS_EXTI_LINE(hexti->Line)); + assert_param(IS_EXTI_CONFIG_LINE(hexti->Line)); + assert_param(IS_EXTI_PENDING_EDGE(Edge)); + + /* Compute line mask */ + maskline = (1uL << (hexti->Line & EXTI_PIN_MASK)); + + /* Clear Pending bit */ + EXTI->PR = maskline; +} + +/** + * @brief Generate a software interrupt for a dedicated line. + * @param hexti Exti handle. + * @retval None. + */ +void HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti) +{ + uint32_t maskline; + + /* Check parameters */ + assert_param(IS_EXTI_LINE(hexti->Line)); + assert_param(IS_EXTI_CONFIG_LINE(hexti->Line)); + + /* Compute line mask */ + maskline = (1uL << (hexti->Line & EXTI_PIN_MASK)); + + /* Generate Software interrupt */ + EXTI->SWIER = maskline; +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_EXTI_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit