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/*
ChibiOS/RT - Copyright (C) 2006-2013 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 STM32F0xx/ext_lld_isr.c
* @brief STM32F0xx EXT subsystem low level driver ISR code.
*
* @addtogroup EXT
* @{
*/
#include "hal.h"
#if HAL_USE_EXT || defined(__DOXYGEN__)
#include "ext_lld_isr.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/**
* @brief EXTI[0]...EXTI[1] interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector54) {
uint32_t pr;
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 0) | (1 << 1));
EXTI->PR = pr;
if (pr & (1 << 0))
EXTD1.config->channels[0].cb(&EXTD1, 0);
if (pr & (1 << 1))
EXTD1.config->channels[1].cb(&EXTD1, 1);
OSAL_IRQ_EPILOGUE();
}
/**
* @brief EXTI[2]...EXTI[3] interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector58) {
uint32_t pr;
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 2) | (1 << 3));
EXTI->PR = pr;
if (pr & (1 << 2))
EXTD1.config->channels[2].cb(&EXTD1, 2);
if (pr & (1 << 3))
EXTD1.config->channels[3].cb(&EXTD1, 3);
OSAL_IRQ_EPILOGUE();
}
/**
* @brief EXTI[4]...EXTI[15] interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector5C) {
uint32_t pr;
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) |
(1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) |
(1 << 14) | (1 << 15));
EXTI->PR = pr;
if (pr & (1 << 4))
EXTD1.config->channels[4].cb(&EXTD1, 4);
if (pr & (1 << 5))
EXTD1.config->channels[5].cb(&EXTD1, 5);
if (pr & (1 << 6))
EXTD1.config->channels[6].cb(&EXTD1, 6);
if (pr & (1 << 7))
EXTD1.config->channels[7].cb(&EXTD1, 7);
if (pr & (1 << 8))
EXTD1.config->channels[8].cb(&EXTD1, 8);
if (pr & (1 << 9))
EXTD1.config->channels[9].cb(&EXTD1, 9);
if (pr & (1 << 10))
EXTD1.config->channels[10].cb(&EXTD1, 10);
if (pr & (1 << 11))
EXTD1.config->channels[11].cb(&EXTD1, 11);
if (pr & (1 << 12))
EXTD1.config->channels[12].cb(&EXTD1, 12);
if (pr & (1 << 13))
EXTD1.config->channels[13].cb(&EXTD1, 13);
if (pr & (1 << 14))
EXTD1.config->channels[14].cb(&EXTD1, 14);
if (pr & (1 << 15))
EXTD1.config->channels[15].cb(&EXTD1, 15);
OSAL_IRQ_EPILOGUE();
}
/**
* @brief EXTI[16] interrupt handler (PVD).
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector44) {
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 16);
EXTD1.config->channels[16].cb(&EXTD1, 16);
OSAL_IRQ_EPILOGUE();
}
/**
* @brief EXTI[17] interrupt handler (RTC).
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector48) {
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 17);
EXTD1.config->channels[17].cb(&EXTD1, 17);
OSAL_IRQ_EPILOGUE();
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Enables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_enable(void) {
nvicEnableVector(EXTI0_1_IRQn, STM32_EXT_EXTI0_1_IRQ_PRIORITY);
nvicEnableVector(EXTI2_3_IRQn, STM32_EXT_EXTI2_3_IRQ_PRIORITY);
nvicEnableVector(EXTI4_15_IRQn, STM32_EXT_EXTI4_15_IRQ_PRIORITY);
nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
nvicEnableVector(RTC_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
}
/**
* @brief Disables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_disable(void) {
nvicDisableVector(EXTI0_1_IRQn);
nvicDisableVector(EXTI2_3_IRQn);
nvicDisableVector(EXTI4_15_IRQn);
nvicDisableVector(PVD_IRQn);
nvicDisableVector(RTC_IRQn);
}
#endif /* HAL_USE_EXT */
/** @} */
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