Diff: main.cpp

Revision:

1:17722afc5909

Parent:

0:45170c77adc7

Child:

2:a5ee88ab46b2

--- a/main.cpp	Sun Mar 01 10:08:57 2020 +0000
+++ b/main.cpp	Fri Apr 24 14:13:21 2020 +0000
@@ -1,13 +1,18 @@
 #include "mbed.h"
-//#include "cmsis_nvic.h"
+
 
 DigitalOut myled(PC_0);
-static void TIM6_Init(void);
-static void NVIC_Init(void);
+DigitalOut PC1(PC_1);
 
-void TIM6_IRQHandler(void);
+void EX1IRQhandler(void)
+{
+    //PC1=!PC1;
+    GPIOC->ODR=~GPIOC->ODR;
+    EXTI->PR=0b10;
+    HAL_NVIC_ClearPendingIRQ(EXTI1_IRQn);
+}
 
-TIM_HandleTypeDef htim6;
+//TIM_HandleTypeDef htim6;
 void TIM6_IRQHandler(void)
 {
     myled=!myled;
@@ -15,12 +20,22 @@
     HAL_NVIC_ClearPendingIRQ(TIM6_IRQn);
 }
 
+void EX1init(void)
+{
+RCC->AHBENR|=0b111;
+GPIOA->PUPDR|=0b1000;
+EXTI->IMR|=0b10;   
+EXTI->RTSR|=0b10; 
+}
+
 static void NVIC_Init(void)
 {
     /* TIM6_IRQn interrupt configuration */
-    HAL_NVIC_SetPriority(TIM6_IRQn, 0, 0);
+    //HAL_NVIC_SetPriority(TIM6_IRQn, 0, 0);
     NVIC_SetVector(TIM6_IRQn, (uint32_t)&TIM6_IRQHandler);
     HAL_NVIC_EnableIRQ(TIM6_IRQn);
+    NVIC_SetVector(EXTI1_IRQn, (uint32_t)&EX1IRQhandler);
+    HAL_NVIC_EnableIRQ(EXTI1_IRQn);
 }
 
 /* TIM6 init function */
@@ -50,6 +65,7 @@
 int main()
 {
     TIM6_Init();
+    EX1init();
     NVIC_Init();
     while(1) {
         /*