单片机==数码管+蜂鸣器+炸弹（15）

#include <reg52.h>
#include <intrins.h>
#include "delay.h"

#define SEGPORT P0

sbit bit_select = P2^0;
sbit seg_select = P2^1;
sbit beep = P1^7;

unsigned char bitdata[8] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char segdata[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char tempdata[8];
unsigned char sec = 1;
unsigned char min = 10;
unsigned char hour = 0;

unsigned char High;
unsigned char Low;
unsigned char code freq[][2]={
0xD8,0xF7,//00440HZ 1
0xBD,0xF8,//00494HZ 2
0x87,0xF9,//00554HZ 3
0xE4,0xF9,//00587HZ 4
0x90,0xFA,//00659HZ 5
0x29,0xFB,//00740HZ 6
0xB1,0xFB,//00831HZ 7
0xEF,0xFB,//00880HZ `1
};

unsigned char code SONG_TONE[]={212,212,190,212,159,169,212,212,190,212,142,159,
212,212,106,126,159,169,190,119,119,126,159,142,159,0};
unsigned char code SONG_LONG[]={9,3,12,12,12,24,9,3,12,12,12,24,
9,3,12,12,12,12,12,9,3,12,12,12,24,0};
void DelayMS(unsigned int x)
{
unsigned char t;
while(x--)for(t=0;t<120;t++);
}
void PlayMusic()
{
unsigned int i=0,j,k;
while(SONG_LONG[i]!=0||SONG_TONE[i]!=0)
{
for(j=0;j<SONG_LONG[i]*20;j++)
{
beep = ~ beep;
for(k=0;k<SONG_TONE[i]/3;k++);
}
DelayMS(10);
i++;
}
}

void timer0_init(void)
{
EA = 1;
TMOD |= 0x01;
TH0 = (65536 - 500) / 256;
TL0 = (65536 - 500) % 256;
ET0 = 1;
TR0 = 1;
}

void timer1_init(void)
{
EA = 1;
TMOD |= 0x10;
TH1 = (65536 - 1000) / 256;
TL1 = (65536 - 1000) % 256;
ET1 = 1;
TR1 = 1;
}

void timer0_isr() interrupt 1
{
static unsigned char j = 0;

TH0 = (65536 - 500) / 256;
TL0 = (65536 - 500) % 256;

j++;

if(20 == j)
{
j = 0;
sec--;

if(sec == 0)
{
min--;
sec = 60;
}
if(min == 0)
{
min = 0;
sec = 0;
TR0 = 0;
}
}
tempdata[6] = segdata[sec / 10];
tempdata[7] = segdata[sec % 10];
tempdata[5] = 0x40;
tempdata[3] = segdata[min / 10];
tempdata[4] = segdata[min % 10];
tempdata[2] = 0x40;
tempdata[0] = segdata[hour / 10];
tempdata[1] = segdata[hour % 10];
}

void display()
{
static unsigned char i = 0;

SEGPORT = 0x0;
seg_select = 1;
seg_select = 0;
SEGPORT = 0xff;
bit_select = 1;
bit_select = 0;

SEGPORT = tempdata[i];
seg_select = 1;
seg_select = 0;

SEGPORT = bitdata[i];
bit_select = 1;
bit_select = 0;
i++;
if(8 == i)
{
i = 0;
}
}

void timer1_isr() interrupt 3
{
TH1 = (65536 - 1000) / 256;
TL1 = (65536 - 1000) % 256;

display();
}

void main()
{
unsigned char i;
unsigned char cont;
timer0_init();
timer1_init();
while(1)
{
for(cont = 9; cont > 0; cont--)
{
if(cont == min && 59 == sec)
{
for(i = 0; i < 200; i++)
{
beep = ~beep;
delay_us(100);
}
}
}

if(0 == min)
{
for(i = 0; i < 200; i++)
{
PlayMusic();
delay_us(200);
}
}
}
}