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C51 用一个外部中断0检测过零脉冲,并产生脉冲
用一个外部中断0检测过零脉冲，然后用一个定时器产生一个脉冲即可。#include#define uint unsigned int /*宏定义*/#define uchar unsigned char /*宏定义*///#define Time_5ms (0x10000-5000) //fosc=12M#define Tim
用一个外部中断0检测过零脉冲，然后用一个定时器产生一个脉冲即可。#include#define uint unsigned int /*宏定义*/#define uchar unsigned char /*宏定义*///#define Time_5ms (0x10000-5000) //fosc=12M#define Tim
