keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1=1,p1^1=0,p1^3=0若输入输出引脚为输入口时,应先软件置“1”,下面是我编写的(编译时报错为目标无法生成):#includevoid main(void){P1^0=0;\\
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![keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1=1,p1^1=0,p1^3=0若输入输出引脚为输入口时,应先软件置“1”,下面是我编写的(编译时报错为目标无法生成):#includevoid main(void){P1^0=0;\\](/uploads/image/z/13805045-53-5.jpg?t=keil+uvision2+%E7%A8%8B%E5%BA%8F%2C%E5%BD%93p1%5E0%3D1%E6%97%B6%2Cp1%5E1%3D0%2Cp1%5E2%3D0%2Cp1%5E3%3D1%EF%BC%9B%E5%BD%93p1%5E0%3D0%E6%97%B6%2Cp1%5E1%3D1%2Cp1%5E1%3D0%2Cp1%5E3%3D0%E8%8B%A5%E8%BE%93%E5%85%A5%E8%BE%93%E5%87%BA%E5%BC%95%E8%84%9A%E4%B8%BA%E8%BE%93%E5%85%A5%E5%8F%A3%E6%97%B6%2C%E5%BA%94%E5%85%88%E8%BD%AF%E4%BB%B6%E7%BD%AE%E2%80%9C1%E2%80%9D%2C%E4%B8%8B%E9%9D%A2%E6%98%AF%E6%88%91%E7%BC%96%E5%86%99%E7%9A%84%EF%BC%88%E7%BC%96%E8%AF%91%E6%97%B6%E6%8A%A5%E9%94%99%E4%B8%BA%E7%9B%AE%E6%A0%87%E6%97%A0%E6%B3%95%E7%94%9F%E6%88%90%EF%BC%89%EF%BC%9A%23includevoid+main%28void%29%7BP1%5E0%3D0%3B%5C%5C)
keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1=1,p1^1=0,p1^3=0若输入输出引脚为输入口时,应先软件置“1”,下面是我编写的(编译时报错为目标无法生成):#includevoid main(void){P1^0=0;\\
keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1=1,p1^1=0,p1^3=0
若输入输出引脚为输入口时,应先软件置“1”,
下面是我编写的(编译时报错为目标无法生成):
#include
void main(void)
{
P1^0=0;\\初始口为0,LED灭
while(1){
if(P1^0) \\循环检测p1.0口,如为1,对应的位置低
P1^1=0;
P1^2=0;
P1^3=1;
else
P1^1=1;
P1^2=1;
P1^3=0;
}
我的单片机是AT89s51
keil uvision2 程序,当p1^0=1时,p1^1=0,p1^2=0,p1^3=1;当p1^0=0时,p1^1=1,p1^1=0,p1^3=0若输入输出引脚为输入口时,应先软件置“1”,下面是我编写的(编译时报错为目标无法生成):#includevoid main(void){P1^0=0;\\
程序改一下:
#include
sbit P10 = P1^0;
sbit P11 = P1^1;
sbit P12 = P1^2;
sbit P13 = P1^3;
void main(void)
{
while(1)
{
if(P10==1)
{
P11=0;
P12=0;
P13=1;
}
else
{
P11=1;
P12=1;
P13=0;
}
}
}