Diff: main.cpp

Revision:

0:45170c77adc7

Child:

1:17722afc5909

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Mar 01 10:08:57 2020 +0000
@@ -0,0 +1,64 @@
+#include "mbed.h"
+//#include "cmsis_nvic.h"
+
+DigitalOut myled(PC_0);
+static void TIM6_Init(void);
+static void NVIC_Init(void);
+
+void TIM6_IRQHandler(void);
+
+TIM_HandleTypeDef htim6;
+void TIM6_IRQHandler(void)
+{
+    myled=!myled;
+    TIM6->SR=0;
+    HAL_NVIC_ClearPendingIRQ(TIM6_IRQn);
+}
+
+static void NVIC_Init(void)
+{
+    /* TIM6_IRQn interrupt configuration */
+    HAL_NVIC_SetPriority(TIM6_IRQn, 0, 0);
+    NVIC_SetVector(TIM6_IRQn, (uint32_t)&TIM6_IRQHandler);
+    HAL_NVIC_EnableIRQ(TIM6_IRQn);
+}
+
+/* TIM6 init function */
+static void TIM6_Init(void)
+{
+    /*
+    __TIM6_CLK_ENABLE();
+    htim6.Instance = TIM6;
+    htim6.Init.Prescaler = 3200;
+    htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
+    htim6.Init.Period = 5000;
+    if (HAL_TIM_Base_Init(&htim6) != HAL_OK) {
+        while(1) {
+        }
+    }
+    HAL_TIM_Base_Start_IT(&htim6);
+    */
+
+    RCC->APB1ENR|=0b10000;  //Clock Enable
+    TIM6->PSC=3200;         //Prescaler 100µs
+    TIM6->ARR=5000;         //Autoreload 5000*100µs = 0,5s
+    TIM6->DIER=1;           //UIE = 1 (Update Interrupt Enable)
+    TIM6->SR=0;             //UIF =0 (Update Interrupt Flag)
+    TIM6->CR1=1;            //CEN=1 (Counter Enable)
+}
+
+int main()
+{
+    TIM6_Init();
+    NVIC_Init();
+    while(1) {
+        /*
+        if (TIM6->SR==1)
+        {
+            TIM6->SR=0;
+            myled=!myled;
+        }
+        */
+    }
+
+}
\ No newline at end of file