我这样写的代码，本想是让led交替闪烁的，可是什么效果都没有，麻烦大家看看哪里出问题了 [mw_shl_code=c,true] /*main.c*/ #include "stm8l15x.h" #include "stm8l15x_gpio.h" #include "stm8l15x_tim1.h" #include "stm8l15x_it.h" #include <intrinsics.h> /** * 时钟的配置函数，16分频 */ void CLK_Config(void) { CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_16); //16 分频 CLK_PeripheralClockConfig(CLK_Peripheral_TIM4,ENABLE); //外设时钟定时器4使能 } void GPIO_Config(void) { GPIO_Init(GPIOC,GPIO_Pin_7,GPIO_Mode_Out_PP_High_Slow); GPIO_Init(GPIOE,GPIO_Pin_7,GPIO_Mode_Out_PP_High_Slow); } void TIM1_Config(void) { TIM1_SetCounter(0); //8分频，使用向上计数模式125次，使用晶振1M TIM1_TimeBaseInit(8,TIM1_CounterMode_Up,124,0); /*Enables TIM1 peripheral Preload register on ARR*/ TIM1_ARRPreloadConfig(ENABLE); /*清中断*/ TIM1_ClearFlag(TIM1_FLAG_Update); /*Enables the specified TIM1 interrupts*/ TIM1_ITConfig(TIM1_IT_Update,ENABLE); /*打开总中断*/ __enable_interrupt(); /*Enables the TIM1 peripheral.*/ TIM1_Cmd(ENABLE); } void main(void) { CLK_Config(); GPIO_Config(); TIM1_Config(); // __enable_interrupt(); while(1) { } } /*stm8l15x_it.c*/ INTERRUPT_HANDLER(SWITCH_CSS_BREAK_DAC_IRQHandler,17) { /* In order to detect unexpected events during development, it is recommended to set a breakpoint on the following instruction. */ // while (1); static u16 i,j; i++; if(i==1000) { i=0; j++; if(j%2==1) { LED3_H(); //PE7为高电平,黄灯亮 LED4_L(); //PC7为低电平 } else if(j%2==0) { LED3_L(); LED4_H(); //PC7为高电平，蓝灯亮 } if(j==60000) /*防止溢出*/ { j=0; } } // TIM1_ClearFlag(TIM1_FLAG_Update); /*Clear the TIM1' Pending flags*/ TIM1_ClearITPendingBit(TIM1_IT_Update); /*Clear the TIM1' Pending Bits*/ }[/mw_shl_code]