void delay(unsigned int a)
{
unsigned int i,j;
for(i=0;i
}
main()
{
unsigned char i,led;
led=0xfe;
while(1)
{
P0=led;
delay(500);
P0=0xff;
delay(500);
led=(led<<1)|0x01;
if(led==0xff)led=0xfe;
}
}
单片机,跑马灯,交替闪烁,C语言代码
#include
void delay(unsigned int a)
{
unsigned int i,j;
for(i=0;ifor(j=0;j<120;j++);
}
main()
{
unsigned char i,led;
led=0xfe;
while(1)
{
P0=led;
delay(500);
P0=0xff;
delay(500);
led=(led<<1)|0x01;
if(led==0xff)led=0xfe;
}
}
void delay(unsigned int a)
{
unsigned int i,j;
for(i=0;i
}
main()
{
unsigned char i,led;
led=0xfe;
while(1)
{
P0=led;
delay(500);
P0=0xff;
delay(500);
led=(led<<1)|0x01;
if(led==0xff)led=0xfe;
}
}
