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標(biāo)題:
單片機跑馬燈程序
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作者:
Sapphire15
時間:
2017-7-3 12:59
標(biāo)題:
單片機跑馬燈程序
單片機跑馬燈
單片機源程序如下:
#include "stc_ice.h"
extern void TIM2_INIT (void); //聲明完成定時器/計數(shù)器2初始化的函數(shù)
extern bit second_ok; //聲明外部位變量second_ok
void change_LED (void); //聲明變換LED狀態(tài)的函數(shù)
sbit beep = P1^6;
u8 bdata led = 0x80;
sbit led_7 = led^7;
sbit led_6 = led^6;
sbit led_5 = led^5;
sbit led_4 = led^4;
sbit led_3 = led^3;
sbit led_2 = led^2;
sbit led_1 = led^1;
sbit led_0 = led^0;
void main (void)
{
beep = 0;
TIM2_INIT (); //調(diào)用完成定時器/計數(shù)器2初始化的函數(shù)
while (1)
{
if (second_ok) //1秒定時到
change_LED ();
}
}
void change_LED (void)
{
second_ok = 0;
if ((led <<= 1) == 0)
led = 1;
#if IAP15f
P37 = ~led_7;
P36 = ~led_6;
P35 = ~led_5;
P34 = ~led_4;
P33 = ~led_3;
P32 = ~led_2;
……………………
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第一章--跑馬燈.zip
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