妇肤康喷雾使用图解:单片机笔记_定时器中

来源:百度文库 编辑:偶看新闻 时间:2024/05/01 17:10:53
#includeint a = 0xf0; unsigned char cnt;sbit p1_0 = P1^0;void main(){ //IT0 = 1; //TCON寄存器的第0位,头文件已定义sbit IT0 = TCON^0; EA = 1;  //EA = IE^7;   ET1 = 1; TMOD = 0x10; //00110000 定时器1工作方式1,16位计数 //EX0 = 1; TH1 = (65536 - 50000) / 256; TL1 = (65536 - 50000) % 256; TR1 = 1; cnt = 0;
while(1) { if(cnt == 20) { p1_0 = ~p1_0; cnt = 0; } }}
void ext0() interrupt 3   //[using n],使用第几组寄存器.没加using的话,自动分配寄存器.{ TH1 = (65536 - 50000) / 256; TL1 = (65536 - 50000) % 256;    cnt++;}