File content as of revision 0:298e8a54dc2d:

#include "header.h"

extern float Xcal;
extern float Ycal;
extern float Zcal;
extern int i;
extern float per_old;
extern float per_new;
extern float sumx;
extern float sumy;
extern float sumz;
extern float Xoff;
extern float Yoff;
extern float Zoff;

void calibrate(void){    
    while (1){
    lcd.locate(1,11); lcd.printf("Press Select to Confirm");
    
    sumx=0;
    sumy=0;
    sumz=0;
    
    for(i=0; i<199; i++) {
    Xcal=((Xcal)*(per_old))+((acc.x())*(per_new));
    Ycal=((Ycal)*(per_old))+((acc.y())*(per_new));
    Zcal=((Zcal)*(per_old))+((acc.z())*(per_new));
    lcd.locate(1,9);  lcd.printf("Calibrate");  lcd.printf("%i",(200-i));
    sumx += Xcal;
    sumy += Ycal;
    sumz += Zcal;
         
    }
    Xoff=0-(sumx/200);
    Yoff=0-(sumy/200);
    Zoff=1-(sumz/200);
    
    lcd.locate(1,1);  lcd.printf("X=");  lcd.printf("%0.5f",Xoff);
    lcd.locate(1,3);  lcd.printf("Y=");  lcd.printf("%0.5f",Yoff);
    lcd.locate(1,5);  lcd.printf("Z=");  lcd.printf("%0.5f",Zoff);
 
    but2.fall(&menuscreen);
   }
  
}