#include
Sbit LED=P0 ^ 0;
Sbit k1=P2 ^ 0;
Unsigned char mode, k1_s;
Void delay (unsigned int x)
{
While (x -);
}
Void the key ()
{
If (k1==0)
{
Delay (50);
If (k1==0)
{
K1_s=1;
}
}
If ((k1==1) & amp; & (k1_s==1))
{
K1_s=0;
Mode++;
If (mode & gt;=2) mode=0;
}
}
Void mode_s ()
{
If (mode==0)
{
LED=1;
}
If (mode_s==1)
{
LED=0;
}
}
Void main ()
{
While (1)
{
The key ();
Mode_s ();
}
}
