?? 8×8led點陣屏仿電梯數字滾動顯示.c
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//-----------------------------------------------------------------
// 名稱: 8×8LED點陣屏仿電梯數字滾動顯示
//-----------------------------------------------------------------
// 說明: 本例模擬了電梯顯示屏上下滾動顯示樓層的效果,當目標樓層大于
// 當前樓層時將向上滾動顯示,反之則向下滾動顯示,到達目標樓層時
// 將發出蜂鳴聲.
//
//-----------------------------------------------------------------
#define F_CPU 4000000UL
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#define INT8U unsigned char
#define INT16U unsigned int
#define BEEP() PORTA ^= _BV(PA0) //蜂鳴器定義
const INT8U Table_OF_Digits[]= //0~9的數字點陣
{
0x00,0x3C,0x66,0x42,0x42,0x66,0x3C,0x00,//0
0x00,0x08,0x38,0x08,0x08,0x08,0x3E,0x00,//1
0x00,0x3C,0x42,0x04,0x08,0x32,0x7E,0x00,//2
0x00,0x3C,0x42,0x1C,0x02,0x42,0x3C,0x00,//3
0x00,0x0C,0x14,0x24,0x44,0x3C,0x0C,0x00,//4
0x00,0x7E,0x40,0x7C,0x02,0x42,0x3C,0x00,//5
0x00,0x3C,0x40,0x7C,0x42,0x42,0x3C,0x00,//6
0x00,0x7E,0x44,0x08,0x10,0x10,0x10,0x00,//7
0x00,0x3C,0x42,0x24,0x5C,0x42,0x3C,0x00,//8
0x00,0x38,0x46,0x42,0x3E,0x06,0x3C,0x00 //9
};
INT8U Current_Floor = 1,Dest_Floor = 1; //當前樓層,目標樓層
//------------------------------------------------------------------
// 主程序
//------------------------------------------------------------------
int main()
{
}
//-----------------------------------------------------------------
// T1定時器控制聲音輸出
//-----------------------------------------------------------------
ISR (TIMER1_OVF_vect )
{
}
//-----------------------------------------------------------------
// T0定時器控制樓層數字滾動及刷新顯示
//-----------------------------------------------------------------
ISR (TIMER0_OVF_vect )
{
}
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