diff options
Diffstat (limited to 'stm/stm32fxxx_it.c')
| -rw-r--r-- | stm/stm32fxxx_it.c | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/stm/stm32fxxx_it.c b/stm/stm32fxxx_it.c index 97cdee6a84..1a6862bbd1 100644 --- a/stm/stm32fxxx_it.c +++ b/stm/stm32fxxx_it.c @@ -290,14 +290,21 @@ void TIM6_DAC_IRQHandler(void) { #include "qstr.h" #include "obj.h" #include "led.h" + +void Default_Handler(void); // Found in startup_stm32f40xx.s + // EXTI -// for USRSW on A13 +// for USRSW on A13 for PYBOARD3, and B11 for NETDUINO_PLUS_2 // for cc3000 on A14 void EXTI15_10_IRQHandler(void) { - // work out if it's A13 that had the interrupt - if (EXTI_GetITStatus(EXTI_Line13) != RESET) { - // this is used just to wake the device - EXTI_ClearITPendingBit(EXTI_Line13); + // work out if it's the user switch that had the interrupt + // Note that if the user switch is on a diffetent IRQ, then this code + // should be optimized out. + if (USRSW_EXTI_IRQN == EXTI15_10_IRQn) { + if (EXTI_GetITStatus(USRSW_EXTI_LINE) != RESET) { + // this is used just to wake the device + EXTI_ClearITPendingBit(USRSW_EXTI_LINE); + } } // work out if it's A14 that had the interrupt if (EXTI_GetITStatus(EXTI_Line14) != RESET) { @@ -319,10 +326,24 @@ void EXTI15_10_IRQHandler(void) { } } -#if defined(STM32F4DISC) +// STM32F4DISC is setup for A0 void EXTI0_IRQHandler(void) { - // clear pending interrupt bit - EXTI_ClearITPendingBit(EXTI_Line0); + if (USRSW_EXTI_IRQN == EXTI0_IRQn) { + // this is used just to wake the device + EXTI_ClearITPendingBit(USRSW_EXTI_LINE); + } else { + Default_Handler(); + } } -#endif + +// PYBOARD4 has button on PB3 +void EXTI3_IRQHandler(void) { + if (USRSW_EXTI_IRQN == EXTI3_IRQn) { + // this is used just to wake the device + EXTI_ClearITPendingBit(USRSW_EXTI_LINE); + } else { + Default_Handler(); + } +} + /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |