main.c

这是本人初学C51时编写并成功完成调试的第一个较大的C程序,里面包含有双单片机通信键盘描扫电子音乐等内容

#include <hardware.h>
#include <intrins.h>


extern unsigned char game01display();
extern unsigned char game02display();
extern unsigned char person1display();
extern unsigned char person2display();
extern unsigned char person3display();
extern unsigned char person4display();
extern unsigned char h_1display();
extern unsigned char h_2display();
extern unsigned char gamestardisplay();
extern void gameset();
extern void personset();
extern void huttset();
extern void gamestar();
extern unsigned char scan_key();
extern void menu();
extern void D4_light();
extern void D5_light();
extern void D6_light();
extern void D7_light();
extern void black();
extern unsigned char keyboard();
extern unsigned char result();
extern unsigned char keypoint;
extern unsigned char person;
unsigned char code  LED[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};


extern void delay1ms();
extern void delay20ms();
extern void VOICE250HZ2S();
extern void run4();
extern void run3();
extern void run2();
extern void run1();

void initial89C52();
void send_data(void);



unsigned char LED_DISPLAY[5][3]=
{
	{0xB0,0xC0,0xF9},//disp301
	{0xB0,0xC0,0xF9},//disp3
	{0xB0,0xC0,0xF9},//
	{0xB0,0xC0,0xF9},//
	{0xB0,0xC0,0xF9}//
};

void initial89C52()
{
	TMOD=0x20;//T1作为波特率发生器8位
	SCON=0x40;//REN=0  01工作方式
	TH1=0xfd;//
	TL1=0xfd;//9600bps
	TR1=1;
}

void send_data(void)
{
	unsigned char i,j;

		for(i=0;i<5;i++)
		for(j=0;j<3;j++)
		{
		
			SBUF=LED_DISPLAY[i][j];
			while(!TI)
			{;}
			TI=0;
			delay1ms();
		}
}


void main(void)
{
	unsigned char data t;
	unsigned int test=0x12d;

	delay20ms();
	delay20ms();
	delay20ms();
	delay20ms();
	delay20ms();
	

	initial89C52();
 
 
	send_data();
	LED1=LED2=LED3=0;
	D4_light();
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	D5_light();
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	D6_light();
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	D7_light();
	for(t=0;t<10;t++)
	{
		delay20ms();
	}

	black();
	
	VOICE250HZ2S();
	delay20ms();
	
	
	menu();
//==================================================test
	LED_DISPLAY[0][0]=LED[test/100];
	LED_DISPLAY[0][1]=LED[(test%100)/10];
	LED_DISPLAY[0][2]=LED[(test%100)%10];
	send_data();
	LED1=LED2=LED3=1;
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	
//========================================================	
	if(person==4)	run4();
	else if(person==3)	run3();
	else if(person==2) run2();
	else if(person==1)	run1();

//==================================================
/*	
	while(keyboard()==100)
	{;}
	LED1=LED2=LED3=0;
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
//	keyboard();
//	result();
	LED1=LED2=LED3=1;
	LED_DISPLAY[0][0]=LED[keypoint/100];//取百位数字
	LED_DISPLAY[0][1]=LED[(keypoint%100)/10];//取十位数字
	LED_DISPLAY[0][2]=LED[(keypoint%100)%10];//取个位数字		
	send_data();
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	LED1=LED2=LED3=0;
	for(t=0;t<10;t++)
	{
		delay20ms();
	}
	
*/
}