单片机中开关K1,K2,K3,K4分别接P1.0到P1.4口,灯D1接P2.0口,K1,K2,K3中一个开关闭合灯亮,断开灭,K4只灭灯.灭后,K1,K2,K3还可以开,帮忙写下程序啊,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 13:17:42
![单片机中开关K1,K2,K3,K4分别接P1.0到P1.4口,灯D1接P2.0口,K1,K2,K3中一个开关闭合灯亮,断开灭,K4只灭灯.灭后,K1,K2,K3还可以开,帮忙写下程序啊,](/uploads/image/z/6230254-22-4.jpg?t=%E5%8D%95%E7%89%87%E6%9C%BA%E4%B8%AD%E5%BC%80%E5%85%B3K1%2CK2%2CK3%2CK4%E5%88%86%E5%88%AB%E6%8E%A5P1.0%E5%88%B0P1.4%E5%8F%A3%2C%E7%81%AFD1%E6%8E%A5P2.0%E5%8F%A3%2CK1%2CK2%2CK3%E4%B8%AD%E4%B8%80%E4%B8%AA%E5%BC%80%E5%85%B3%E9%97%AD%E5%90%88%E7%81%AF%E4%BA%AE%2C%E6%96%AD%E5%BC%80%E7%81%AD%2CK4%E5%8F%AA%E7%81%AD%E7%81%AF.%E7%81%AD%E5%90%8E%2CK1%2CK2%2CK3%E8%BF%98%E5%8F%AF%E4%BB%A5%E5%BC%80%2C%E5%B8%AE%E5%BF%99%E5%86%99%E4%B8%8B%E7%A8%8B%E5%BA%8F%E5%95%8A%2C)
单片机中开关K1,K2,K3,K4分别接P1.0到P1.4口,灯D1接P2.0口,K1,K2,K3中一个开关闭合灯亮,断开灭,K4只灭灯.灭后,K1,K2,K3还可以开,帮忙写下程序啊,
单片机中开关K1,K2,K3,K4分别接P1.0到P1.4口,灯D1接P2.0口,K1,K2,K3中一个开关闭合灯亮,断开灭,
K4只灭灯.灭后,K1,K2,K3还可以开,帮忙写下程序啊,
单片机中开关K1,K2,K3,K4分别接P1.0到P1.4口,灯D1接P2.0口,K1,K2,K3中一个开关闭合灯亮,断开灭,K4只灭灯.灭后,K1,K2,K3还可以开,帮忙写下程序啊,
sbit Key1 = P0^1;
sbit Key2 = P0^2;
sbit Key3 = P0^3;
sbit Key4 = P0^4;
sbit LED = P2^0;
#define ON 1
#define OFF 0
unsigned char flag;
int main(void)
{
flag = OFF;
while (1)
{
if ((Key1|Key2|Key3)&& (flag == OFF)) ///灯处于熄灭状态时 任何按键可以点亮
{
LED = 1;
flag = ON;
}else{
LED = 0;
flag = OFF;
}
if (Key4 &&(flag == ON)) ///按下key4时 熄灭灯,且任何按键无法点亮灯
{
LED = 0;
flag = ON;
}
if (!Key4) ///松开 key4 可以灯可以重新被点亮
{
flag = OFF;
}
}
}
你的描述不是很清楚,我按照我的理解写的.