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tinySA/os/hal/platforms/STM32F1xx/ext_lld_isr.c

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F1xx/ext_lld_isr.c
* @brief STM32F1xx EXT subsystem low level driver ISR code.
*
* @addtogroup EXT
* @{
*/
#include "ch.h"
#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] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI0_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 0);
EXTD1.config->channels[0].cb(&EXTD1, 0);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[1] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI1_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 1);
EXTD1.config->channels[1].cb(&EXTD1, 1);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[2] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI2_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 2);
EXTD1.config->channels[2].cb(&EXTD1, 2);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[3] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI3_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 3);
EXTD1.config->channels[3].cb(&EXTD1, 3);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[4] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI4_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 4);
EXTD1.config->channels[4].cb(&EXTD1, 4);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[5]...EXTI[9] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI9_5_IRQHandler) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
EXTI->PR = pr;
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);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[10]...EXTI[15] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(EXTI15_10_IRQHandler) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
(1 << 15));
EXTI->PR = pr;
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);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[16] interrupt handler (PVD).
*
* @isr
*/
CH_IRQ_HANDLER(PVD_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 16);
EXTD1.config->channels[16].cb(&EXTD1, 16);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[17] interrupt handler (RTC).
*
* @isr
*/
CH_IRQ_HANDLER(RTCAlarm_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 17);
EXTD1.config->channels[17].cb(&EXTD1, 17);
CH_IRQ_EPILOGUE();
}
#if defined(STM32F10X_CL)
/**
* @brief EXTI[18] interrupt handler (OTG_FS_WKUP).
*
* @isr
*/
CH_IRQ_HANDLER(OTG_FS_WKUP_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 18);
EXTD1.config->channels[18].cb(&EXTD1, 18);
CH_IRQ_EPILOGUE();
}
/**
* @brief EXTI[19] interrupt handler (ETH_WKUP).
*
* @isr
*/
CH_IRQ_HANDLER(ETH_WKUP_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 19);
EXTD1.config->channels[19].cb(&EXTD1, 19);
CH_IRQ_EPILOGUE();
}
#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
defined(STM32F10X_HD_VL)
#else /* Other STM32F1xx devices.*/
/**
* @brief EXTI[18] interrupt handler (USB_FS_WKUP).
*
* @isr
*/
CH_IRQ_HANDLER(USB_FS_WKUP_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 18);
EXTD1.config->channels[18].cb(&EXTD1, 18);
CH_IRQ_EPILOGUE();
}
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Enables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_enable(void) {
nvicEnableVector(EXTI0_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY));
nvicEnableVector(EXTI1_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY));
nvicEnableVector(EXTI2_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY));
nvicEnableVector(EXTI3_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY));
nvicEnableVector(EXTI4_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY));
nvicEnableVector(EXTI9_5_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY));
nvicEnableVector(EXTI15_10_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY));
nvicEnableVector(PVD_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY));
nvicEnableVector(RTC_Alarm_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY));
#if defined(STM32F10X_CL)
/* EXTI vectors specific to STM32F1xx Connectivity Line.*/
nvicEnableVector(OTG_FS_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY));
nvicEnableVector(ETH_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY));
#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
defined(STM32F10X_HD_VL)
/* EXTI vectors specific to STM32F1xx Value Line.*/
#else
/* EXTI vectors specific to STM32F1xx except Connectivity Line.*/
nvicEnableVector(USB_FS_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY));
#endif
}
/**
* @brief Disables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_disable(void) {
nvicDisableVector(EXTI0_IRQn);
nvicDisableVector(EXTI1_IRQn);
nvicDisableVector(EXTI2_IRQn);
nvicDisableVector(EXTI3_IRQn);
nvicDisableVector(EXTI4_IRQn);
nvicDisableVector(EXTI9_5_IRQn);
nvicDisableVector(EXTI15_10_IRQn);
nvicDisableVector(PVD_IRQn);
nvicDisableVector(RTC_Alarm_IRQn);
#if defined(STM32F10X_CL)
/* EXTI vectors specific to STM32F1xx Connectivity Line.*/
nvicDisableVector(OTG_FS_WKUP_IRQn);
nvicDisableVector(ETH_WKUP_IRQn);
#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
defined(STM32F10X_HD_VL)
/* EXTI vectors specific to STM32F1xx Value Line.*/
#else
/* EXTI vectors specific to STM32F1xx except Connectivity Line.*/
nvicDisableVector(USB_FS_WKUP_IRQn);
#endif
}
#endif /* HAL_USE_EXT */
/** @} */
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