From 43011f1886d70446f3f48f79cb99be2a07b6d33f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Thu, 21 Jun 2012 16:25:11 +0000 Subject: STM32 support enhancements, some other fixes. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4313 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F4xx/ext_lld_isr.c | 357 +++++++++++++++++++++++++++++++ 1 file changed, 357 insertions(+) create mode 100644 os/hal/platforms/STM32F4xx/ext_lld_isr.c (limited to 'os/hal/platforms/STM32F4xx/ext_lld_isr.c') diff --git a/os/hal/platforms/STM32F4xx/ext_lld_isr.c b/os/hal/platforms/STM32F4xx/ext_lld_isr.c new file mode 100644 index 000000000..4747632f2 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/ext_lld_isr.c @@ -0,0 +1,357 @@ +/* + 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 . +*/ + +/** + * @file STM32F4xx/ext_lld_isr.c + * @brief STM32F4xx 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(); +} + +/** + * @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(); +} + +/** + * @brief EXTI[20] interrupt handler (OTG_HS_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(OTG_HS_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 20); + EXTD1.config->channels[20].cb(&EXTD1, 20); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[21] interrupt handler (TAMPER_STAMP). + * + * @isr + */ +CH_IRQ_HANDLER(TAMPER_STAMP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 21); + EXTD1.config->channels[21].cb(&EXTD1, 21); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[22] interrupt handler (RTC_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 22); + EXTD1.config->channels[22].cb(&EXTD1, 22); + + CH_IRQ_EPILOGUE(); +} + +/*===========================================================================*/ +/* 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)); + 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)); + nvicEnableVector(OTG_HS_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY)); + nvicEnableVector(TAMP_STAMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_IRQ_PRIORITY)); + nvicEnableVector(RTC_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI22_IRQ_PRIORITY)); +} + +/** + * @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); + nvicDisableVector(OTG_FS_WKUP_IRQn); + nvicDisableVector(ETH_WKUP_IRQn); + nvicDisableVector(OTG_HS_WKUP_IRQn); + nvicDisableVector(TAMP_STAMP_IRQn); + nvicDisableVector(RTC_WKUP_IRQn); +} + +#endif /* HAL_USE_EXT */ + +/** @} */ -- cgit v1.2.3