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最新推荐文章于 2024-05-09 15:55:20 发布

风吹散了我们的记忆

最新推荐文章于 2024-05-09 15:55:20 发布

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本文链接：https://blog.youkuaiyun.com/FunkyFrog821951259/article/details/55101799

#include <reg52.h>
#include "uart.h"
#include "delay.h"
#include "1602.h"
 
unsigned char irtime;
//unsigned char num;
bit startflag = 0;
bit irok = 0;
bit irpro_ok = 0;
unsigned char irdata[33];
unsigned char ircord[4];
unsigned char putbuf[35];



void exit0_init(void) 
{
	IT0 = 1;
	EA = 1;
	EX0 = 1;
}
void exit0_isr(void) interrupt 0
{
	static unsigned char  i; 
	EX0 = 0;
	if(startflag)
	{
		if(irtime > 40 && irtime < 60)
		{
			i = 0;
		}
		irdata[i]=irtime;//存储每个电平的持续时间，用于以后判断是0还是1
    	irtime=0;
    	i++;
   		if(i==33)
      	{
	  		irok=1;
			i=0;
			startflag = 0;
	  	}
	}
	else
	{
		irtime = 0;
		startflag = 1;
	}
	EX0 = 1;		
}
void time0_init(void)
{
	EA = 1;
	TMOD |= 0x02;
	TH0 = 0X00;
	ET0 = 1;
	TR0 = 1;
}
void time0_isr(void) interrupt 1
{
	ET0 = 0;
	irtime++;//0.256ms;	13.5/0.256---53;0===1.12/0.256---4;1===2.245/0.256---9;
	ET0 = 1;
}
void ircordpro(void)//红外码值处理函数
{ 
  unsigned char i, j, k = 0;
  unsigned char value = 0;

  for(i = 0; i < 4; i++)      //处理4个字节
  {
     for(j = 1; j <= 8; j++) //处理1个字节8位
     {
	 	value >>= 1;
        if(irdata[++k] > 7)//大于某值为1，这个和晶振有绝对关系，这里使用12M计算，此值可以有一定误差
            value |= 0x80;
     }
     ircord[i] = value;
     value = 0;     
   }
   if((ircord[0] + ircord[1] == 0xff) &&(ircord[2] + ircord[3] == 0xff)) 
   		irpro_ok = 1;//处理完毕标志位置1
}
sbit LED0 = P1^0;
sbit LED1 = P1^1;
sbit LED2 = P1^2;
sbit LED3 = P1^3;
sbit LED4 = P1^4;
sbit LED5 = P1^5;
sbit LED6 = P1^6;
sbit LED7 = P1^7;

//#define data = P1;
void ir_work()
{
	/*unsigned char i;
	for(i = 0; i < 4; i++)
	{
		uart_send_byte(ircord[i]);
		DelayMs(1);
	}*/
	switch(ircord[2])
	{
		case 0x45:LED0 = ~LED0;LCD_Write_Char(0,0,'1');break;
		case 0x46:LED1 = ~LED1;LCD_Write_Char(0,0,'2');break;
		case 0x47:LED2 = ~LED2;LCD_Write_Char(0,0,'3');break;
		case 0x44:LED3 = ~LED3;LCD_Write_Char(0,0,'4');break;
		case 0x40:LED4 = ~LED4;LCD_Write_Char(0,0,'5');break;		
		case 0x43:LED5 = ~LED5;LCD_Write_Char(0,0,'6');break;
		case 0x07:LED6 = ~LED6;LCD_Write_Char(0,0,'7');break;
		case 0x15:LED7 = ~LED7;LCD_Write_Char(0,0,'8');break;
		case 0x09:LCD_Write_Char(0,0,'9');break;
		case 0x16:LCD_Write_String(0,0,"10");break;
		case 0x19:LCD_Write_String(0,0,"11");break;
		case 0x0d:LCD_Write_String(0,0,"12");break;
		case 0x0c:LCD_Write_String(0,0,"13");break;
		case 0x18:LCD_Write_String(0,0,"14");break;
		case 0x5e:LCD_Write_String(0,0,"15");break;
		case 0x08:LCD_Write_String(0,0,"16");break;
		case 0x1c:LCD_Write_String(0,0,"17");break;
		case 0x5a:LCD_Write_String(0,0,"18");break;
		case 0x42:LCD_Write_String(0,0,"19");break;
		case 0x52:LCD_Write_String(0,0,"20");break;
		case 0x4a:LCD_Write_String(0,0,"21");break;

		default:break;
	}
		
}
void ir_time(void)
{
	unsigned char i;

	//putbuf[0] = irdata[0]/10 + 0x30;
	//putbuf[1] = irdata[0]%10 + 0x30;
	putbuf[0] = 's';
	putbuf[1] = 't';
	for(i = 0; i < 32; i++)
	{
		//putbuf[i+2] = irdata[i+1] + 0x30;
		if(irdata[i + 1] > 6)
		{
			putbuf[i + 2] = 1 + 0x30;  
		}
		else
		{
			putbuf[i + 2] = 0 + 0x30;
		}

	}
	putbuf[34] = '\0';
	uart_send_str(putbuf);
}
/*void time1_init(void)
{
	TMOD |= 0X10;
	TH1 = 0XFC;
	TL1 = 0X18;

	EA = 1;
	TR1 = 1;
	ET1 = 1;

}
void time1_isr(void) interrupt 3
{
	ET1 = 0;

	TH1 = 0XFC;
	TL1 = 0X18;


	LCD_Write_Char(0,0,num + 0x30);

	ET1 = 1;
} */
void main(void)
{
	exit0_init();
	time0_init();
	//time1_init();
	//uart_init();
	LCD_Init();
	LCD_Clear();

	while(1)
	{
		if(irok)
		{
			ircordpro();
			if(irpro_ok)
			{
				ir_work();
				irpro_ok = 0;	
			}
			irok = 0;
		}
	}
}

#include <reg52.h>
#include "uart.h"


void uart_init(void)
{
	SCON = 0x50;//设置工作方式为方式1，允许串口接收


	TMOD |= 0X20;//定时器1工作于方式2


	TH1 = 0XFD;//波特率为9600
	TR1 = 1;


	EA = 1;
	//ES = 1;
}
void uart_send_byte(unsigned char byte)
{
	SBUF = byte;
	while(!TI);//TI为自动至1，手动清零
	TI = 0;
}


void uart_send_str(unsigned char *s)
{
	while(*s)
	{
		uart_send_byte(*s);
		s++;
	}
}

/*-----------------------------------------------
  名称：LCD1602
  论坛：www.doflye.net
  编写：shifang
  日期：2009.5
  修改：无
  内容：
  引脚定义如下：1-VSS 2-VDD 3-V0 4-RS 5-R/W 6-E 7-14 DB0-DB7 15-BLA 16-BLK
------------------------------------------------*/
#include "1602.h"
#include "delay.h"


sbit RS = P2^4;   //定义端口 
sbit RW = P2^5;
sbit EN = P2^6;


#define RS_CLR RS=0 
#define RS_SET RS=1


#define RW_CLR RW=0 
#define RW_SET RW=1 


#define EN_CLR EN=0
#define EN_SET EN=1


#define DataPort P0


/*------------------------------------------------
              判忙函数
------------------------------------------------*/
 bit LCD_Check_Busy(void) 
 { 
 DataPort= 0xFF; 
 RS_CLR; 
 RW_SET; 
 EN_CLR; 
 _nop_(); 
 EN_SET;
 return (bit)(DataPort & 0x80);
 }
/*------------------------------------------------
              写入命令函数
------------------------------------------------*/
 void LCD_Write_Com(unsigned char com) 
 {  
// while(LCD_Check_Busy()); //忙则等待
 DelayMs(5);
 RS_CLR; 
 RW_CLR; 
 EN_SET; 
 DataPort= com; 
 _nop_(); 
 EN_CLR;
 }
/*------------------------------------------------
              写入数据函数
------------------------------------------------*/
 void LCD_Write_Data(unsigned char Data) 
 { 
 //while(LCD_Check_Busy()); //忙则等待
 DelayMs(5);
 RS_SET; 
 RW_CLR; 
 EN_SET; 
 DataPort= Data; 
 _nop_();
 EN_CLR;
 }


/*------------------------------------------------
                清屏函数
------------------------------------------------*/
 void LCD_Clear(void) 
 { 
 LCD_Write_Com(0x01); 
 DelayMs(5);
 }
/*------------------------------------------------
              写入字符串函数
------------------------------------------------*/
 void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s) 
 {     
 if (y == 0) 
 	{     
	 LCD_Write_Com(0x80 + x);     //表示第一行
 	}
 else 
 	{      
 	LCD_Write_Com(0xC0 + x);      //表示第二行
 	}        
 while (*s) 
 	{     
 LCD_Write_Data( *s);     
 s ++;     
 	}
 }
/*------------------------------------------------
              写入字符函数
------------------------------------------------*/
void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data) 
 {     
 if (y == 0) 
 	{     
 	LCD_Write_Com(0x80 + x);     
 	}    
 else 
 	{     
 	LCD_Write_Com(0xC0 + x);     
 	}        
 LCD_Write_Data( Data);  
 }
/*------------------------------------------------
              初始化函数
------------------------------------------------*/
 void LCD_Init(void) 
 {
   LCD_Write_Com(0x38);    /*显示模式设置*/ 
   DelayMs(5); 
   LCD_Write_Com(0x38); 
   DelayMs(5); 
   LCD_Write_Com(0x38); 
   DelayMs(5); 
   LCD_Write_Com(0x38);  
   LCD_Write_Com(0x08);    /*显示关闭*/ 
   LCD_Write_Com(0x01);    /*显示清屏*/ 
   LCD_Write_Com(0x06);    /*显示光标移动设置*/ 
   DelayMs(5); 
   LCD_Write_Com(0x0C);    /*显示开及光标设置*/
   }
   
#include "delay.h"


void DelayUs2x(unsigned char t)	 //2t+7
{
	while(--t);
}


void DelayMs(unsigned char t)
{
	while(t--)
	{
		DelayUs2x(200);
		DelayUs2x(254);
	}


}


void DelayS(unsigned char t)
{
	unsigned char i;


	for(i = 0; i < t; i++)
	{
		 DelayMs(200);
		 DelayMs(200);
		 DelayMs(200);
		 DelayMs(200);
		 DelayMs(200);
	}			
}