forked from trocache/RefKEIL
76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
#include "stm32f10x.h"
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#include "Driver_GPIO.h"
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#include "Driver_timers.h"
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// PA5 LED
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// PC13 BP
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MyGPIO_Struct_TypeDef LED;
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MyTimer_Struct_TypeDef Timer_500ms;
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int delay(){
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int i;
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for(i=0;i<1000000;i++);
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}
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int main ( void )
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{
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LED.GPIO=GPIOA;
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LED.GPIO_Conf=Out_Ppull;
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LED.GPIO_Pin=5;
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MyGPIO_Init(&LED);
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LED.GPIO=GPIOC;
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LED.GPIO_Conf = In_PullUp;
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LED.GPIO_Pin=13;
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MyGPIO_Init(&LED);
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Timer_500ms.Timer = TIM2;
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Timer_500ms.PSC = 7200; //(1/72Mhz)/7200=0.1ms
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Timer_500ms.ARR = 5000; //0.1*5000 = 500ms
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timer_init(&Timer_500ms);
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TIM2->DIER|=1<<0; //Interruption périph
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NVIC->ISER[0] |= 1>>TIM2_IRQn; //Interruption Coeur
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NVIC->IP[TIM2_IRQn] = 2 <<4;
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MyTimer_Start(&Timer_500ms);
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while(1)
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{
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//if(MyGPIO_Read(GPIOC, 13) == 0)
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//{
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MyGPIO_Set(GPIOA, 5);
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while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1); //CNT registre qui gère le retour à 0
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MyGPIO_Reset(GPIOA, 5);
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while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1);
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//}
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/* OU
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while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1); //CNT registre qui gère le retour à 0
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MyGPIO_Toggle(GPIOA, 5);
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while(Timer_500ms.Timer->CNT != Timer_500ms.ARR -1); //CNT registre qui gère le retour à 0
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*/
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}
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}
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void TIM2_IRQHandler (void){
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MyGPIO_Toggle(GPIOA, 5);
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TIM2->SR &= ~(1<<0);
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}
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