sbit DS1302=P2^7
sbit L0=P1^0
sbit L1=P1^1
sbit L2=P1^2
sbit L3=P1^3
sbit L4=P1^4
sbit L5=P1^5
sbit L6=P1^6
sbit L7=P1^7
void delay(float t)
{
unsigned int j,i;
j=t*100
while(j--) 这里的while语句和for语句各起什么作用?
{ 是指循环 j*i 次吗?
for(i=8505;i;i--);
}
}
void main
{
DS1302=off
P0=0x00;
P2=0xff;
P3=0x80;
while(1)
{
L0=on;
delay(0.1);
L0=OFF;
L1=on;
delay(0.1);
L1=off;
L2=on;
delay(0.1);
L2=OFF;
L3=on;
delay(0.1);
L3=off;
L4=on;
delay(0.1);
L4=OFF;
L5=on;
delay(0.1);
L5=off;
L6=on;
delay(0.1);
L6=OFF;
L7=on;
delay(0.1);
L7=off;
}
}