diff options
Diffstat (limited to 'os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c')
| -rw-r--r-- | os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c b/os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c new file mode 100644 index 000000000..9287461e2 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/hal_ext_lld_isr.c @@ -0,0 +1,396 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 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 STM32L1xx/ext_lld_isr.c
+ * @brief STM32L1xx EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "hal_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
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 0);
+ EXTI->PR = pr;
+ if (pr & (1U << 0))
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 1);
+ EXTI->PR = pr;
+ if (pr & (1U << 1))
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector60) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 2);
+ EXTI->PR = pr;
+ if (pr & (1U << 2))
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 3);
+ EXTI->PR = pr;
+ if (pr & (1U << 3))
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 4);
+ EXTI->PR = pr;
+ if (pr & (1U << 4))
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & ((1U << 5) | (1U << 6) | (1U << 7) | (1U << 8) |
+ (1U << 9));
+ EXTI->PR = pr;
+ if (pr & (1U << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1U << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1U << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1U << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1U << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & ((1U << 10) | (1U << 11) | (1U << 12) | (1U << 13) |
+ (1U << 14) | (1U << 15));
+ EXTI->PR = pr;
+ if (pr & (1U << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1U << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1U << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1U << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1U << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1U << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 16);
+ EXTI->PR = pr;
+ if (pr & (1U << 16))
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[17] interrupt handler (RTC).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE4) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 17);
+ EXTI->PR = pr;
+ if (pr & (1U << 17))
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+/**
+ * @brief EXTI[18] interrupt handler (USB_FS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE8) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 18);
+ EXTI->PR = pr;
+ if (pr & (1U << 18))
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[19] interrupt handler (TAMPER_STAMP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 19);
+ EXTI->PR = pr;
+ if (pr & (1U << 19))
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[20] interrupt handler (RTC_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector4C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 20);
+ EXTI->PR = pr;
+ if (pr & (1U << 20))
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[21]...EXTI[22] interrupt handler (COMP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector98) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & ((1U << 21) | (1U << 22));
+ EXTI->PR = pr;
+ if (pr & (1U << 21))
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+ if (pr & (1U << 22))
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#if (STM32_EXTI_NUM_LINES > 23) || defined(__DOXYGEN__)
+/**
+ * @brief EXTI[23] interrupt handler (Channel Acquisition).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector120) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR;
+ pr &= EXTI->IMR & (1U << 23);
+ EXTI->PR = pr;
+ if (pr & (1U << 23))
+ EXTD1.config->channels[23].cb(&EXTD1, 23);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+ nvicEnableVector(USB_FS_WKUP_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(TAMPER_STAMP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+ nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
+ nvicEnableVector(COMP_IRQn, STM32_EXT_EXTI21_22_IRQ_PRIORITY);
+#if STM32_EXTI_NUM_LINES > 23
+ nvicEnableVector(COMP_ACQ_IRQn, STM32_EXT_EXTI23_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);
+ nvicDisableVector(USB_FS_WKUP_IRQn);
+ nvicDisableVector(TAMPER_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+ nvicDisableVector(COMP_IRQn);
+#if STM32_EXTI_NUM_LINES > 23
+ nvicDisableVector(COMP_ACQ_IRQn);
+#endif
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
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