diff options
Diffstat (limited to 'os/hal/ports/STM32/STM32F4xx/stm32_isr.c')
| -rw-r--r-- | os/hal/ports/STM32/STM32F4xx/stm32_isr.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_isr.c b/os/hal/ports/STM32/STM32F4xx/stm32_isr.c new file mode 100644 index 000000000..7f70e02a7 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_isr.c @@ -0,0 +1,241 @@ +/*
+ 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 STM32F4xx/stm32_isr.h
+ * @brief STM32F4xx ISR handler code.
+ *
+ * @addtogroup SRM32F4xx_ISR
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+#define exti_serve_irq(pr, channel) { \
+ \
+ if ((pr) & (1U << (channel))) { \
+ _pal_isr_code(channel); \
+ } \
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+/**
+ * @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;
+
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 5);
+ exti_serve_irq(pr, 6);
+ exti_serve_irq(pr, 7);
+ exti_serve_irq(pr, 8);
+ exti_serve_irq(pr, 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;
+
+ exti_serve_irq(pr, 10);
+ exti_serve_irq(pr, 11);
+ exti_serve_irq(pr, 12);
+ exti_serve_irq(pr, 13);
+ exti_serve_irq(pr, 14);
+ exti_serve_irq(pr, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#endif /* HAL_USE_PAL */
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables IRQ sources.
+ *
+ * @notapi
+ */
+void irqInit(void) {
+
+#if HAL_USE_PAL
+ nvicEnableVector(EXTI0_IRQn, STM32_IRQ_EXTI0_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_IRQ_EXTI1_PRIORITY);
+ nvicEnableVector(EXTI2_IRQn, STM32_IRQ_EXTI2_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_IRQ_EXTI3_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_IRQ_EXTI4_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_IRQ_EXTI5_9_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_IRQ_EXTI10_15_PRIORITY);
+#endif
+}
+
+/**
+ * @brief Disables IRQ sources.
+ *
+ * @notapi
+ */
+void irqDeinit(void) {
+
+#if HAL_USE_PAL
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+#endif
+}
+
+/** @} */
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