实验一Keil编译器的学习及单片机IO接口编程（代码）
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实验一Keil编译器的学习及单片机IO接口编程（代码）
//****《青花瓷》
//P1^4口接蜂鸣器脚即可。
#include
#define uchar unsigned char
sbit beepIO=P1^4;
uchar m,n;
uchar code T[49][2]={{0,0},
{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{ 0xFA,0x66},{0xFA,0
xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B}, {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08} ,{0xFD,0x33},{0xF
D,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x 05},
{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{ 0xFE,0x99},{0xFE,0
xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02}, {0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0 xFF,0x4C},{0xFF,0x
56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81} };
uchar code music[][2]={{0,4},
{17,8},{17,4},{15,6},{17,8},{0,8},{17,4},{20,4},{17,4},{15,4},{17,16 },{13,8},{13,4},{15,
4},{17,4},{20,4},{17,8},{15,8},{15,4},{13,4},{15,8},{0,8},{17,12},{20,2},{ 17,2},{22,4},{ 20,4},{20,8},{22,4},{20,4},{20,4},{17,4},{20,12},{20,4},{1 7,8},{15,4},{17,4},{20,8},{17,
4},{15,4},{15,8},{15,4},{13,4},{15,16},{17,8},{17,4},{15,4},{17,8},{0,8},{
17,4},{20,4},{ 17,4},{15,4},{17,16},{13,8},{13,4},{15,4},{17,4},{20,4},{1 7,8},{15,8},{15,4},{13,4},{15,
8},{0,8},{17,12},{20,2},{17,2},{22,4},{20,4},{20,8},{22,4},{20,4},{20,4},{ 17,4},{20,16},
{17,8},{15,4},{17,4},{20,8},{17,4},{15,4},{15,4},{13,4},{13,24},{0,8},{0, 8},{0,8},{13,4},
{15,4},{17,8},{17,4},{20,4},{22,8},{22,4},{29,4},{27,4},{25,4},{25,4},{22 ,4},{20,16},{22 ,4},{20,4},{17,4},{15,4},{13,8},{10,4},{13,4},{15,8},{15, 4},{13,4},{15,8},{13,4},{15,4},{ 17,8},{17,4},{20,4},{22,8},{22,4},{29,4}, {27,4},{25,4},{25,4},{27,4},{25,16},{20,8},{20,
4},{17,4},{24,4},{25,4},{13,4},{15,4},{17,16},{15,16},{13,24}, {0xFF,0xFF}};
void delay(uchar p)
{
uchar i,j;
for(;p>0;p--)
for(i=181;i>0;i--)
for(j=181;j>0;j--);
}
void pause()
{
uchar i,j;
for(i=150;i>0;i--)
for(j=150;j>0;j--);
}
void T0_int() interrupt 1
{
beepIO=!beepIO;
TH0=T[m][0]; TL0=T[m][1];
}
void main()
{
uchar i=0;
TMOD=0x01; EA=1; ET0=1;
while(1)
{
m=music[i][0];n=music[i][1];
if(m==0x00)
{TR0=0;delay(n);i++;}
else if(m==0xFF)
{TR0=0;delay(30);i=0;}
else if(m==music[i+1][0])
{TR0=1;delay(n);TR0=0;pause();i++;} else
{TR0=1;delay(n);i++;}
}
}。