N3_stm32/N3Drive/USER/time.c

#include "time.h"
/*
使用案例
TIME_Config(TIM1, 400-1, 84-1, 1, 0, RCC_APB2PeriphClockCmd, RCC_APB2Periph_TIM1, TIM1_UP_TIM10_IRQn);
*/
void TIM_Mod_Config(void(*ClockCmd)(uint32_t, FunctionalState), u32 RCC_APBnPeriphn,TIM_TypeDef *TIMx, u16 psc, u16 per, u8 pre, u8 sub)
{
	(*ClockCmd)(RCC_APBnPeriphn, ENABLE);
	
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	TIM_TimeBaseStructure.TIM_Prescaler     = psc;  							//定时器分频
	TIM_TimeBaseStructure.TIM_CounterMode   = TIM_CounterMode_Up; //向上计数模式
	TIM_TimeBaseStructure.TIM_Period        = per;   							//自动重装载值
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; 
	TIM_TimeBaseInit(TIMx,&TIM_TimeBaseStructure);//初始化定时器
	
	TIM_ARRPreloadConfig(TIMx, ENABLE); //允许定时重载
  TIM_SelectOutputTrigger(TIMx, TIM_TRGOSource_Update);  //选择事件更新为触发源
	
	TIM_ITConfig(TIMx, TIM_IT_Update, ENABLE);
	TIM_Cmd(TIMx, ENABLE);  //使能
}

void TIM_NVIC_Config(u8 NVIC_IRQChannel, u8 pre, u8 sub)
{
	NVIC_InitTypeDef NVIC_InitStructure;
	NVIC_InitStructure.NVIC_IRQChannel = NVIC_IRQChannel;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = pre;
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = sub;
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitStructure);
}