stm8的定时器4怎么就不好使呢？
#include "STM8l152c6.h"#define set_led PC_ODR|=0x80; #define clr_led PC_ODR&=~0x80;main(){ PC_DDR|=0x80; PC_CR1|=0x80; PC_CR2=0X00; TIM4_IER=0X00; TIM4_EGR=0X01; TIM4_PSCR=0X07; TIM4_ARR=255; TIM4_CNTR=255; TIM4_CR1=0X01; TIM4_IER=0X01; _asm("rim"); while (1) {// set_led; }}@far @interrupt void TIM4_UPD_OVF_IRQHandler(void){ TIM4_SR1=0X00; set_led; return;}哪里有问题啊？请指点
