Mercurial > public > ostc4
view Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_exti.c @ 264:b3685fbada3b IPC_Sync_Improvment_2
Sync to Main 100ms time stamp & added Reinitialization of globals after startup
Added function to synchronize RTE to the timestamp provided by Main 100ms callback. This was introduced to compensated small shifts in execution and program flow shifts (for example during long operation times)
author | ideenmodellierer |
---|---|
date | Sun, 14 Apr 2019 11:43:29 +0200 |
parents | c78bcbd5deda |
children |
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/** ****************************************************************************** * @file stm32f4xx_ll_exti.c * @author MCD Application Team * @brief EXTI LL module driver. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 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. * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_ll_exti.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /** @addtogroup STM32F4xx_LL_Driver * @{ */ #if defined (EXTI) /** @defgroup EXTI_LL EXTI * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /** @addtogroup EXTI_LL_Private_Macros * @{ */ #define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U) #define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \ || ((__VALUE__) == LL_EXTI_MODE_EVENT) \ || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT)) #define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \ || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \ || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING)) /** * @} */ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup EXTI_LL_Exported_Functions * @{ */ /** @addtogroup EXTI_LL_EF_Init * @{ */ /** * @brief De-initialize the EXTI registers to their default reset values. * @retval An ErrorStatus enumeration value: * - SUCCESS: EXTI registers are de-initialized * - ERROR: not applicable */ uint32_t LL_EXTI_DeInit(void) { /* Interrupt mask register set to default reset values */ LL_EXTI_WriteReg(IMR, 0x00000000U); /* Event mask register set to default reset values */ LL_EXTI_WriteReg(EMR, 0x00000000U); /* Rising Trigger selection register set to default reset values */ LL_EXTI_WriteReg(RTSR, 0x00000000U); /* Falling Trigger selection register set to default reset values */ LL_EXTI_WriteReg(FTSR, 0x00000000U); /* Software interrupt event register set to default reset values */ LL_EXTI_WriteReg(SWIER, 0x00000000U); /* Pending register set to default reset values */ LL_EXTI_WriteReg(PR, 0x00FFFFFFU); return SUCCESS; } /** * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct. * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure. * @retval An ErrorStatus enumeration value: * - SUCCESS: EXTI registers are initialized * - ERROR: not applicable */ uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct) { ErrorStatus status = SUCCESS; /* Check the parameters */ assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31)); assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand)); assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode)); /* ENABLE LineCommand */ if (EXTI_InitStruct->LineCommand != DISABLE) { assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger)); /* Configure EXTI Lines in range from 0 to 31 */ if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE) { switch (EXTI_InitStruct->Mode) { case LL_EXTI_MODE_IT: /* First Disable Event on provided Lines */ LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); /* Then Enable IT on provided Lines */ LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); break; case LL_EXTI_MODE_EVENT: /* First Disable IT on provided Lines */ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); /* Then Enable Event on provided Lines */ LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); break; case LL_EXTI_MODE_IT_EVENT: /* Directly Enable IT & Event on provided Lines */ LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); break; default: status = ERROR; break; } if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE) { switch (EXTI_InitStruct->Trigger) { case LL_EXTI_TRIGGER_RISING: /* First Disable Falling Trigger on provided Lines */ LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); /* Then Enable Rising Trigger on provided Lines */ LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); break; case LL_EXTI_TRIGGER_FALLING: /* First Disable Rising Trigger on provided Lines */ LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); /* Then Enable Falling Trigger on provided Lines */ LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); break; case LL_EXTI_TRIGGER_RISING_FALLING: LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); break; default: status = ERROR; break; } } } } /* DISABLE LineCommand */ else { /* De-configure EXTI Lines in range from 0 to 31 */ LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); } return status; } /** * @brief Set each @ref LL_EXTI_InitTypeDef field to default value. * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure. * @retval None */ void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct) { EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE; EXTI_InitStruct->LineCommand = DISABLE; EXTI_InitStruct->Mode = LL_EXTI_MODE_IT; EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING; } /** * @} */ /** * @} */ /** * @} */ #endif /* defined (EXTI) */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/