ecg_main.c

基于51单片机的心电监护仪程序

//心电监护程序
#include <reg52.h>
#include <intrins.h>
#include <string.h>
#include <math.h>
#include <index.h>
#include <flash.h>
#include <LCD.h>
#include <serial_com.h>
#include <ecg_monitor.h>
#include <AD.h>
//定时器0

void timer0() interrupt 1 using 1 //T0中断服务子程序
{    
	TH0=0XEE;
	TL0=0X00;
	flag=1;
	TR0=1;
	ET0=1;	
}
void welcome()
{
    LCD_write_cmd(0X01);
    delay_ms(500);
    LCD_write_cmd(0x84);
    delay_ms(500);
    LCD_write_string("Welcome! ");
    //while(1){}
    delay_ms(1000);
    //while(mode_select==0){}
    LCD_write_cmd(0xc2);
    delay_ms(3000);
    LCD_write_string("Mode select "); 
    delay_ms(70000);
    LCD_write_cmd(0X01);
    
    LCD_write_cmd(0x80);
    delay_ms(200);
    LCD_write_string("SW1:Upload data");
    LCD_write_cmd(0xc0);
    LCD_write_string("SW2:ECG Monitor  ");
    delay_ms(2000);
    while(SW1==1&&SW2==1)
    {
        //sys_flag=!sys_flag;
    }
    if(SW1==0&&SW2==1)
        mode_selected=0;
    else if((SW1==1&&SW2==0))
        mode_selected=1;
    else
        mode_selected=2;

}	

void main()
{  
       
    unsigned char k=0,k1=0;
    unsigned int k2; 
    //Buzzer=1;
    //while(1){}
    /*while(1)
    {
        delay_ms(1);
        LED_natural=!LED_natural;
    }      */
    initcom(); 
    
    TH0=0XE9;
	TL0=0XB5;
	TR0=1;
	ET0=1;
    EA=1;
    LCD_init();  
    //***************************
    delay_ms(100);

    //***************************
    welcome();
    
    if(mode_selected==0)
    {
        LCD_write_cmd(0x01);
        delay_ms(50);
        LCD_write_cmd(0x82);
        delay_ms(10);
        LCD_write_string("Mode selected ");
        LCD_write_cmd(0xc2);
        delay_ms(10);
        LCD_write_string("Upload Data ");
        delay_ms(1000);
        LCD_write_cmd(0x01);
        delay_ms(50);
        LCD_write_cmd(0x82);
        delay_ms(10);
        LCD_write_string("Handshaking ");
        
        at_read_init(264); 
        //at_read_init(5280);
        while(getchar()!=0x55){}
        LCD_write_cmd(0x80);
        delay_ms(50);
        LCD_write_string("handshake OK! ");
        sendbyte(0x55);
        LCD_write_cmd(0xc0);
        delay_ms(50);
        LCD_write_string("Data Uploading ");
        delay_ms(100); 
        LCD_write_cmd(0x80);
        delay_ms(50);
        LCD_write_string("                ");
        delay_ms(50);
        
        
        sendbyte(0x55);
        LCD_write_cmd(0x8f);
        delay_ms(50); 
        LCD_write_data('%');
        delay_ms(50);  
        for (k1 = 1; k1<=100; k1++)
        {
           if(k1%10==0){
             LCD_write_cmd(127+k1/10);
             delay_ms(10);
             LCD_write_data(0xff);
           }
           LCD_write_cmd(0x8e);
           LCD_write_data(48+((k1-1)%100)%10);
           LCD_write_cmd(0x8d);
           LCD_write_data(48+((k1-1)%100)/10);
           LCD_write_cmd(0x8c);
           LCD_write_data(48+(k1-1)/100);
           
           
           

           for (k2 = 0; k2<5404; k2++){ 
            k=at_receive_byte();
            sendbyte(k);          
            }
           /* while(flag==0){}
            if(i>4)
	            i=0; 
	        if(num>=163)
                 num = 0;    
            else 
                num=num;         
            if(num>=12)
                ECG_data_temp[i] = 4;   
            else
                ECG_data_temp[i]=ecgdata[num]; //AD的结果???
            sendbyte(ECG_data_temp[i]);
            num++;
            i++;  */
            
            //delay_ms(100);  

        }
        LCD_write_cmd(0x01);
        delay_us(100);
        LCD_write_cmd(0x80);
        delay_us(100);
        LCD_write_string("Upload over ");
        while (1);
    }
    else if(mode_selected==1)
    {
        LCD_write_cmd(0x01);
        delay_ms(5);
        LCD_write_cmd(0x82);
        delay_ms(1);
        LCD_write_string("Mode selected  ");
        LCD_write_cmd(0xc2);
        delay_ms(1);
        LCD_write_string("ECG Monitor ");
        delay_ms(5);
        LCD_write_cmd(0x01);
        delay_ms(5);
        LCD_write_cmd(0x82);
        delay_ms(1);
        LCD_write_string("Autoadapting...");

        at_write_init(264);

	    autoadapt();
	    //maxheartrate=(unsigned char)(1.4*heartrate);
	    //minheartrate=(unsigned char)(0.6*heartrate);
	    maxQRS_T=(unsigned char)(1.4*QRS_T);
	    minQRS_T=(unsigned char)(0.6*QRS_T);
        for(i=0;i<5;i++)
        {
            ECG_data_temp[i]=AD_conversion();             //AD的结果???
        }
        i=0;
        num=5;
        LCD_write_cmd(0x80);
        LCD_write_string("Cardiac rate:");
        LCD_write_cmd(0x8d);
        LCD_write_cmd(0xc0);
        LCD_write_string("State:"); 
        while(1)
        {
            monitor();
        }
    }
    else
    {
        LCD_write_cmd(0x01);
        delay_ms(5);
        LCD_write_cmd(0x85);
        delay_ms(1);
        LCD_write_string("Error");
        LCD_write_cmd(0xc2);
        delay_ms(1);
        LCD_write_string("Please Restart ");

        while(1){}
    }
	while(1)                       
    {   
    } 
}