main.c

STM8L的tim4定时器使用

#include "stm8l15x.h"
#include "stm8l15x_tim4.h"

#define LED1_PORT GPIOE
#define LED1_PIN  GPIO_Pin_7
__IO uint32_t TimingDelay;


void delay_ms(__IO uint32_t nTime);
void TimingDelay_Decrement(void);

void gpio_config(void)
{
	GPIO_Init(LED1_PORT,LED1_PIN,GPIO_Mode_Out_PP_Low_Fast);
}

void clk_config(void)
{
	CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_1);
	CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
}

void TIM4_Init(void)
{
	TIM4_TimeBaseInit(TIM4_Prescaler_128, 124);
   
   TIM4_ClearFlag(TIM4_FLAG_Update);
   
   TIM4_ITConfig(TIM4_IT_Update, ENABLE);
   
   enableInterrupts();
 
   
   TIM4_Cmd(ENABLE);
}
void main(void)
{
  clk_config();
  gpio_config();
	TIM4_Init(); 
  
  while (1)
  
	{
	  delay_ms(1000);
    GPIO_ToggleBits(LED1_PORT,LED1_PIN);
  }

}

void delay_ms(__IO uint32_t nTime)
{
   TimingDelay = nTime;
 
   while (TimingDelay != 0);
}


void TimingDelay_Decrement(void)
{
   if (TimingDelay != 0x00)
   {
     TimingDelay--;
   }
}