系统时钟频率6MHZ P0.0 P0.1分别接开关K1 K2,P0.2接1发光二极管,要求当K1按下后,二极管以2S的时间间隔闪烁,按下K2以后熄灭,写出程序,最好能附带说明一下谢谢
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![系统时钟频率6MHZ P0.0 P0.1分别接开关K1 K2,P0.2接1发光二极管,要求当K1按下后,二极管以2S的时间间隔闪烁,按下K2以后熄灭,写出程序,最好能附带说明一下谢谢](/uploads/image/z/9585936-0-6.jpg?t=%E7%B3%BB%E7%BB%9F%E6%97%B6%E9%92%9F%E9%A2%91%E7%8E%876MHZ+P0.0+P0.1%E5%88%86%E5%88%AB%E6%8E%A5%E5%BC%80%E5%85%B3K1+K2%2CP0.2%E6%8E%A51%E5%8F%91%E5%85%89%E4%BA%8C%E6%9E%81%E7%AE%A1%2C%E8%A6%81%E6%B1%82%E5%BD%93K1%E6%8C%89%E4%B8%8B%E5%90%8E%2C%E4%BA%8C%E6%9E%81%E7%AE%A1%E4%BB%A52S%E7%9A%84%E6%97%B6%E9%97%B4%E9%97%B4%E9%9A%94%E9%97%AA%E7%83%81%2C%E6%8C%89%E4%B8%8BK2%E4%BB%A5%E5%90%8E%E7%86%84%E7%81%AD%2C%E5%86%99%E5%87%BA%E7%A8%8B%E5%BA%8F%2C%E6%9C%80%E5%A5%BD%E8%83%BD%E9%99%84%E5%B8%A6%E8%AF%B4%E6%98%8E%E4%B8%80%E4%B8%8B%E8%B0%A2%E8%B0%A2)
系统时钟频率6MHZ P0.0 P0.1分别接开关K1 K2,P0.2接1发光二极管,要求当K1按下后,二极管以2S的时间间隔闪烁,按下K2以后熄灭,写出程序,最好能附带说明一下谢谢
系统时钟频率6MHZ P0.0 P0.1分别接开关K1 K2,P0.2接1发光二极管,要求当K1按下后,
二极管以2S的时间间隔闪烁,按下K2以后熄灭,写出程序,最好能附带说明一下谢谢
系统时钟频率6MHZ P0.0 P0.1分别接开关K1 K2,P0.2接1发光二极管,要求当K1按下后,二极管以2S的时间间隔闪烁,按下K2以后熄灭,写出程序,最好能附带说明一下谢谢
#include
sbit k1 = P0^0;
sbit k2 = P0^1;
sbit LED = P0^2;
unsigned char count;
void Time0_Init()
{
TMOD = 0x01;
IE = 0x82;
TH0 = (65536 - 25000) / 256;
TL0 = (65536 - 25000) % 256; //定时器装入初值 定时时间为50ms
TR0 = 0;//初始化后并不启动定时器,待命
}
void main()
{
Time0_Init(); //初始化定时器
while(1)
{
if(k1==0)
{
TR0 = 1; // 按下K1启动定时器
LED=1; // 点亮LED灯 ,若板子的LED灯为低电平有效则将1改为0即可
}
if(k2==0)
{
TR0 = 1; //关闭定时器
LED=0; //熄灭LED ,若板子的LED灯位高电平熄灭则将0改为1即可
}
}
}
void Time0_Int() interrupt 1
{
TH0 = (65536 - 25000) / 256;
TL0 = (65536 - 25000) % 256;
if(count