LED灯代码
#include <reg51.h>
sbit p1_0 = P1^0;
sbit K1 = P0^0;
sbit K2 = P0^1;
unsigned char i = 0;
unsigned char j = 0;
void delay_us(unsigned char t) //延迟一微秒
{
while(--t);
}
void delay_ms(unsigned char t) //延迟一毫秒
{
while(t--)
{
delay_us(245);
delay_us(245);
}
}
void led_left() //左移
{
P1 = 0x7f;
if (i <= 8 || i >= 0)
{
P1 = P1>>1 | 0x80;
delay_ms(1000);
}i++;
if (i == 8)
{
i = 0;
//P1 = 0x7f;
}
}
void led_right() //右移
{
P1 = 0xfe;
if (i <= 8 || i >= 0)
{
P1 = P1<<1 | 0x01;
delay_ms(1000);
}i++;
if (i == 8)
{
i = 0;
//P1 = 0xfe;
}
}
void led_stupid() //灯亮的顺序
{
P1 = 0xfe;
delay_ms(1000);
P1 = 0xfd;
delay_ms(1000);
P1 = 0xfb;
delay_ms(1000);
P1 = 0xf7;
delay_ms(1000);
P1 = 0xef;
delay_ms(1000);
P1 = 0xdf;
delay_ms(1000);
P1 = 0xbf;
delay_ms(1000);
P1 = 0x7f;
}
int main()
{
while(1)
{
//这里写功能函数
}
}