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//-------------------------------------------------------------------------------
//程序名：硬盤(pán)時(shí)鐘程序
//說(shuō)　明：單片機(jī)89S52 晶振24M
//-------------------------------------------------------------------------------
//-------------------------------------------------------------------------------
//**嵌入文件**
//-------------------------------------------------------------------------------
#include <reg52.h> //51單片機(jī)硬件資源參數(shù)說(shuō)明
#include <intrins.h> //調(diào)用"_nop_()"函數(shù)
#include "ds12887.h" //實(shí)時(shí)時(shí)鐘IC驅(qū)動(dòng)
//-------------------------------------------------------------------------------
//**宏定義函數(shù)**
//-------------------------------------------------------------------------------
//位置修正函數(shù)
#define XZ 8 //傳感器位置與"十二點(diǎn)"位置間隔(指針走的步數(shù))
#define Ru(x) (x+XZ)>59? (x+XZ-60):(x+XZ)
//延時(shí)函數(shù)
#define Delay5Us {_nop_();_nop_();_nop_();_nop_();_nop_();\
_nop_();_nop_();_nop_();_nop_();_nop_();}
#define Delay50Us {Delay5Us;Delay5Us;Delay5Us;Delay5Us;Delay5Us;\
Delay5Us;Delay5Us;Delay5Us;Delay5Us;Delay5Us;}
//-------------------------------------------------------------------------------
//**端口定義**
//-------------------------------------------------------------------------------
//字符LED顯示端口
#define WORDPORT P2
#define DIGPORT P1
//RGB_LED端口定義
sbit P_LED_R=P3^0;
sbit P_LED_G=P3^1;
sbit P_LED_B=P3^4;
//設(shè)置鍵端口定義
sbit Key1=P1^6;
sbit Key2=P1^7;
sbit Key0=P3^5;
//指示LED端口定義
sbit Put_LED=P3^3;
//-------------------------------------------------------------------------------
//**變量說(shuō)明**
//-------------------------------------------------------------------------------
//定義顏色值
unsigned char code LED_COL[8][3]=
{
1,1,1, //白
1,0,0, //紅
0,1,0, //綠
0,0,1, //藍(lán)
1,1,0, //黃
1,0,1, //品紅
0,1,1, //青
0,0,0, //黑
};
//鐘盤(pán)及指針顏色模式
unsigned char code COL_MOD[4][5]=
{
4,0,3,2,1,
5,1,4,2,3,
6,2,3,4,1,
7,4,3,2,1
};
//開(kāi)機(jī)畫(huà)面LED動(dòng)態(tài)顯示的字符
unsigned char code CH[]={
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, //全空格
// 0x48,0x54,0x54,0x50,0x3A,0x2f,0x2f,0x48, //http://h
0x20,0x42,0x44,0x38,0x43,0x47,0x20,0x20, // BD8CG
//0x49,0x2e,0x42,0x41,0x49,0x44,0x55,0x2e, //i.baidu.
0x44,0x49,0x59,0x3A,0x50,0x4f,0x56,0x20, //DIY:POV
//0x43,0x4F,0x4D,0x2f,0x35,0x32,0x5f,0x44, //com/52_d
0x4c,0x45,0x44,0x43,0x4c,0x4f,0x43,0x4b, //LEDCLOCK
//0x49,0x59,0x20,0x20,0x20,0x20,0x20,0x20, //iy
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
0x20,0x20 //
};
// 設(shè)置狀態(tài)LED顯示的字符
unsigned char code SD[5][6]={
77,73,78,85,84,69,
72,79,85,82,32,32,
68,65,84,69,32,32,
77,79,78,84,72,32,
89,69,65,82,32,32
};
//調(diào)整時(shí)鐘的限制量
unsigned char code maxnum[]={59,23,31,12,99,7}; //調(diào)整值最大限量
unsigned char code minnum[]={0,0,1,1,0,1}; //調(diào)整值最小限量
//其它變量定義
unsigned char t1,t2,t3; //時(shí)分秒中間變量
unsigned char M1,M2,M3; //時(shí)分秒中間變量
unsigned char PT_col[60]; //指針顏色
unsigned char BL_col; //表盤(pán)顏色
unsigned char KD_col; //刻度顏色
unsigned char ST; //進(jìn)程標(biāo)志
unsigned char CM; //表盤(pán)色彩組合模式
unsigned char TZ; //調(diào)整項(xiàng)
unsigned int Tn; //指針位置值
unsigned int Tp; //定時(shí)中斷T1設(shè)置值
unsigned char N; //實(shí)際表盤(pán)平分分割數(shù)
unsigned char S; //預(yù)設(shè)表盤(pán)平分分割數(shù)，取值60
unsigned char Cn; //色彩變量
//-------------------------------------------------------------------------------
//**函數(shù)定義**
//-------------------------------------------------------------------------------
/*外部中斷0*/
void intersvr0(void) interrupt 0 using 1
{
unsigned char Q;
unsigned int D;
TH1=-1;TL1=-1; //讓定時(shí)中斷T1與外部中斷適當(dāng)錯(cuò)開(kāi),使屏顯示穩(wěn)定
D=D+(N-S); //修正值。實(shí)際值與預(yù)設(shè)值比較，作出校正
Tp=50000+D; //得到定時(shí)中斷T1的初設(shè)值
//50000大約是旋轉(zhuǎn)一周所需的時(shí)間，這樣在開(kāi)機(jī)時(shí)可顯示
//從1到60等分圓的動(dòng)態(tài)過(guò)程
if((N==S)&&(Q<500)){
Q++;
if(Q==99) ST=1;
} //顯示穩(wěn)定后進(jìn)入下一進(jìn)程
N=0;
Tn=0;
Cn=0;
}
/*T1處理函數(shù)*/
void timer1(void) interrupt 3 using 1
{
TH1=-Tp/256;
TL1=-Tp%256;
if(ST==0){ //開(kāi)機(jī)畫(huà)面
if(Cn<7) Cn++; else Cn=1; //只顯示7種色
P_LED_R=LED_COL[Cn][0];
P_LED_G=LED_COL[Cn][1];
P_LED_B=LED_COL[Cn][2];
}
if(ST==1){ //正常工作狀態(tài)
//產(chǎn)生指針顏色
P_LED_R=LED_COL[PT_col[Tn]][0];
P_LED_G=LED_COL[PT_col[Tn]][1];
P_LED_B=LED_COL[PT_col[Tn]][2];
//產(chǎn)生指針寬度
Delay50Us;Delay50Us; Delay50Us;
//產(chǎn)生背景顏色
P_LED_R=LED_COL[BL_col][0];
P_LED_G=LED_COL[BL_col][1];
P_LED_B=LED_COL[BL_col][2];
Tn++; //下一個(gè)顯示單元
}
N++; //從傳感器位置開(kāi)始，定時(shí)中斷次數(shù)計(jì)數(shù)
}
/*延時(shí)(用于較長(zhǎng)時(shí)間段)*/
void Delay(unsigned int tt)
{
unsigned char ii;
for(;tt>0;tt--)
for(ii=94;ii>0;ii--);
}
/*主程序*/
void main(void)
{
unsigned char i,j; //循環(huán)變量　　　　　
unsigned char Xz=3; //刻度校正
S=60; //旋轉(zhuǎn)一周，定時(shí)中斷T1產(chǎn)生60個(gè)中斷
CM=0; //使用顯示屏顏色組合,可有四種模式選擇
BL_col=COL_MOD[CM][0]; //背景光顏色
KD_col=COL_MOD[CM][1]; //刻度顏色
//中斷初始化
TMOD=0x11;
TH1=0; TL1=0;
TR1=1; ET1=1;
IT0=1; EX0=1;
EA=1;
//顯示屏初始化
for(i=0;i<60;i++) PT_col[i]=BL_col;
PT_col[0+Xz]=0;
PT_col[5+Xz]=0;
PT_col[10+Xz]=0;
PT_col[15+Xz]=0;
PT_col[20+Xz]=0;
PT_col[25+Xz]=0;
PT_col[30+Xz]=0;
PT_col[35+Xz]=0;
PT_col[40+Xz]=0;
PT_col[45+Xz]=0;
PT_col[50+Xz]=0;
PT_col[55+Xz]=0;
DIGPORT=0xec; WORDPORT=32;
DIGPORT=0xed; WORDPORT=32;
DIGPORT=0xee; WORDPORT=32;
DIGPORT=0xef; WORDPORT=32;
DIGPORT=0xd3; WORDPORT=32;
DIGPORT=0xd7; WORDPORT=32;
DIGPORT=0xdb; WORDPORT=32;
DIGPORT=0xdf; WORDPORT=32;
P_LED_R=0;
P_LED_G=0;
P_LED_B=0;
//SetupDs12887();
//開(kāi)機(jī)畫(huà)面
Delay(6000);
for(j=0;j<35;j++){ //LED動(dòng)態(tài)顯示字符
DIGPORT=0xec; WORDPORT=CH[7+j];
DIGPORT=0xed; WORDPORT=CH[6+j];
DIGPORT=0xee; WORDPORT=CH[5+j];
DIGPORT=0xef; WORDPORT=CH[4+j];
DIGPORT=0xd3; WORDPORT=CH[3+j];
DIGPORT=0xd7; WORDPORT=CH[2+j];
DIGPORT=0xdb; WORDPORT=CH[1+j];
DIGPORT=0xdf; WORDPORT=CH[0+j];
Delay(4000);
}
P_LED_R=1;
P_LED_G=0;
P_LED_B=0;
//進(jìn)入主循環(huán)
for(;;){
if(TZ==0){ //LED顯示年月日信息
ReadDs12887(); //讀取時(shí)間值
Put_LED=1;
M1=Time[0];M2=Time[1];M3=Time[2];
DIGPORT=0xec; WORDPORT=0x30+Time[3]%10;
DIGPORT=0xed; WORDPORT=0x30+Time[3]/10;
DIGPORT=0xee; WORDPORT=0x2d;
DIGPORT=0xef; WORDPORT=0x30+Time[4]%10;
DIGPORT=0xd3; WORDPORT=0x30+Time[4]/10;
DIGPORT=0xd7; WORDPORT=0x2d;
DIGPORT=0xdb; WORDPORT=0x30+Time[5]%10;
DIGPORT=0xdf; WORDPORT=0x30+Time[5]/10;
}
else //LED顯示調(diào)整項(xiàng)
{
DIGPORT=0xec; WORDPORT=0x30+Time[TZ]%10;
DIGPORT=0xed; WORDPORT=0x30+Time[TZ]/10;
DIGPORT=0xee; WORDPORT=SD[TZ-1][5];
DIGPORT=0xef; WORDPORT=SD[TZ-1][4];
DIGPORT=0xd3; WORDPORT=SD[TZ-1][3];
DIGPORT=0xd7; WORDPORT=SD[TZ-1][2];
DIGPORT=0xdb; WORDPORT=SD[TZ-1][1];
DIGPORT=0xdf; WORDPORT=SD[TZ-1][0];
M1=Time[0];M2=Time[1];M3=Time[2];
Put_LED=~Put_LED; //LED指示在設(shè)置狀態(tài)閃亮
}
Delay(50);Delay(50);
Delay(50);Delay(50);
//用背景色覆蓋原來(lái)的指針色
PT_col[t1]=BL_col;
PT_col[t2]=BL_col;
PT_col[t3]=BL_col;
//取指針數(shù)值
if(M3>12) M3=M3-12;
t1=Ru(M1);t2=Ru(M2);t3=Ru(M3*5+M2/12);
//刷新時(shí)鐘刻度色
PT_col[0+Xz]=KD_col;
PT_col[5+Xz]=KD_col;
PT_col[10+Xz]=KD_col;
PT_col[15+Xz]=KD_col;
PT_col[20+Xz]=KD_col;
PT_col[25+Xz]=KD_col;
PT_col[30+Xz]=KD_col;
PT_col[35+Xz]=KD_col;
PT_col[40+Xz]=KD_col;
PT_col[45+Xz]=KD_col;
PT_col[50+Xz]=KD_col;
PT_col[55+Xz]=KD_col;
//顯示時(shí)鐘
PT_col[t1]=COL_MOD[CM][2];
PT_col[t2]=COL_MOD[CM][3];
PT_col[t3]=COL_MOD[CM][4];
Delay(50);Delay(50);
Delay(50);Delay(50);
Delay(50);Delay(50);
//鍵盤(pán)處理
if(Key0==0){ //設(shè)置鍵
Delay(120);
if(Key0==0) {if(TZ>0) TZ--; else TZ=5;}
if(TZ==0) SetupDs12887();
Delay(1200);
}
Delay(50);Delay(50);
Delay(50);Delay(50);
if(Key1==0){ //加法鍵
Delay(120);
if(Key1==0) {
if(Time[TZ]<maxnum[TZ-1]) Time[TZ]++; else Time[TZ]=minnum[TZ-1];
}
Delay(1200);
}
Delay(50);Delay(50);
Delay(50);Delay(50);
if(Key2==0){ //減法鍵
Delay(120);
if(Key2==0) {
if(Time[TZ]>minnum[TZ-1]) Time[TZ]--; else Time[TZ]=maxnum[TZ-1];
}
Delay(1200);
}
Delay(50);Delay(50);
Delay(50);Delay(50);
}
}

復(fù)制代碼

POV項(xiàng)目	POV LED硬盤(pán)時(shí)鐘
發(fā)光體	18只RGB三色LED
運(yùn)動(dòng)方式	LED處于靜止?fàn)顟B(tài)，硬盤(pán)盤(pán)片旋轉(zhuǎn)
供電方式	外接電源，單電源，直流12V輸入
傳感器	光耦傳感器（光斷續(xù)器）
主控芯片	AT89S52
調(diào)控方式	按鍵
功能	盤(pán)片上顯示“時(shí)分秒”，輔助顯示LED顯示“年月日”

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