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timer.c

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YcChan
2017-01-01 13:58:58 +08:00
committed by GitHub
parent eb7579ec02
commit 6586e27403
1 changed files with 29 additions and 0 deletions
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timer.c Normal file
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#include "stm32f10x.h"
#include "stm32f10x_tim.h"
#include "timer.h"
void timer_init(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannle = TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannlePreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannleSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannleCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
TIM_TimeBaseStructure.TIM_Period = 7200 - 1;
TIM_TimeBaseStructure.TIM_Prescaler = 100 - 1;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3.&TIM_TimeBaseStructure);
TIM_Cmd(TIM3,ENABLE);
TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);
}