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52 lines
2.0 KiB
52 lines
2.0 KiB
#include "timh.h"
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/***********************************************************************************************
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*函数名称：void TIM_Mode_Configuration(void)
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*函数功能：对定时器1的模式进行设置
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*输入参数：无
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*输出参数：无
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************************************************************************************************/
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static void TIM_Mode_Configuration(void)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);//使能或者失能APB2外设时钟
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TIM_TimeBaseStructure.TIM_Prescaler = 3599;//预分频值
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//向上计数模式
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TIM_TimeBaseStructure.TIM_Period = 80;//在下一个更新事件装入活动的自动重装载寄存器周期的值
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TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//TDTS = Tck_tim
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TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x00;//重复计数值
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TIM_TimeBaseInit(TIM1,&TIM_TimeBaseStructure);//初始化
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TIM_Cmd(TIM1, ENABLE);
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TIM_ITConfig(TIM1, TIM_IT_Update,ENABLE);//使能或者失能指定的TIM中断
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}
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/****************************************************************************************
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*函数名称：void TIM_NVIC_Configuration(void)
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*函数功能：设置TIM的中断优先级
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*输入参数：无
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*输出参数：无
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****************************************************************************************/
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static void TIM_NVIC_Configuration(void)
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{
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NVIC_InitTypeDef NVIC_InitStructure;
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/* Enable the WAKEUP_BUTTON_EXTI_IRQn Interrupt */
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NVIC_InitStructure.NVIC_IRQChannel = TIM1_UP_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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/****************************************************************************************
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*函数名称：void TIM1_Configuration(void)
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*函数功能：对STM32的定时器一进行所有需要的配置
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*输入参数：无
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*输出参数：无
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****************************************************************************************/
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void TIM1_Configuration(void)
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{
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TIM_Mode_Configuration();
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TIM_NVIC_Configuration();
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}
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