main.cpp

00001 #include "mbed.h"
00002 #include "stm32f3xx_hal_rcc.h"
00003 #include "cmsis_nvic.h"
00004 
00005 DigitalOut myled(LED1);
00006 static void MX_TIM6_Init(void);
00007 static void MX_NVIC_Init(void);
00008 
00009 void TIM6_DAC1_IRQHandler2(void);
00010 
00011 TIM_HandleTypeDef htim6;
00012 void TIM6_DAC1_IRQHandler2(void)
00013 {
00014     static uint8_t flag = 0;
00015     myled = flag;
00016     flag = !flag;
00017 }
00018 
00019 static void MX_NVIC_Init(void)
00020 {
00021     /* TIM6_DAC1_IRQn interrupt configuration */
00022     HAL_NVIC_SetPriority(TIM6_DAC1_IRQn, 0, 0);
00023     HAL_NVIC_EnableIRQ(TIM6_DAC1_IRQn);
00024 }
00025 
00026 /* TIM6 init function */
00027 static void MX_TIM6_Init(void)
00028 {
00029     __TIM6_CLK_ENABLE();
00030     htim6.Instance = TIM6;
00031     htim6.Init.Prescaler = 1;
00032     htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
00033     htim6.Init.Period = 256;
00034     if (HAL_TIM_Base_Init(&htim6) != HAL_OK) {
00035         while(1) {
00036         }
00037     }
00038     HAL_TIM_Base_Start_IT(&htim6);
00039 }
00040 
00041 int main()
00042 {
00043     MX_TIM6_Init();
00044     NVIC_SetVector(TIM6_DAC1_IRQn, (uint32_t)&TIM6_DAC1_IRQHandler2);
00045     MX_NVIC_Init();
00046     while(1) {
00047     }
00048     while(0) {
00049         myled = 1; // LED is ON
00050         wait(0.2); // 200 ms
00051         myled = 0; // LED is OFF
00052         wait(1.0); // 1 sec
00053     }
00054 }