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/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file EXTIv1/stm32_exti3.inc
* @brief Shared EXTI3 handler.
*
* @addtogroup STM32_EXTI3_HANDLER
* @{
*/
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/* Priority settings checks.*/
#if !defined(STM32_IRQ_EXTI3_PRIORITY)
#error "STM32_IRQ_EXTI3_PRIORITY not defined in mcuconf.h"
#endif
#if !OSAL_IRQ_IS_VALID_PRIORITY(STM32_IRQ_EXTI3_PRIORITY)
#error "Invalid IRQ priority assigned to STM32_IRQ_EXTI3_PRIORITY"
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
static inline void exti3_irq_init(void) {
#if (HAL_USE_PAL && (PAL_USE_WAIT || PAL_USE_CALLBACKS))
nvicEnableVector(STM32_EXTI3_NUMBER, STM32_IRQ_EXTI3_PRIORITY);
#endif
}
static inline void exti3_irq_deinit(void) {
#if (HAL_USE_PAL && (PAL_USE_WAIT || PAL_USE_CALLBACKS))
nvicDisableVector(STM32_EXTI3_NUMBER);
#endif
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if (HAL_USE_PAL && (PAL_USE_WAIT || PAL_USE_CALLBACKS)) || defined(__DOXYGEN__)
#if !defined(STM32_DISABLE_EXTI3_HANDLER)
/**
* @brief EXTI[3] interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(STM32_EXTI3_HANDLER) {
uint32_t pr;
OSAL_IRQ_PROLOGUE();
extiGetAndClearGroup1(1U << 3, pr);
exti_serve_irq(pr, 3);
OSAL_IRQ_EPILOGUE();
}
#endif
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/** @} */
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