File content as of revision 0:c47fb0c1bbf6:

#include "mbed.h"
#include "ili9325.h"
#include "lcd_base.h"
#include "display_modules.h"
#include "touch_modules.h"
InterruptIn Touch_D(PTD6);
int i;
unsigned int xt;
unsigned int yt;



void touch1()  //determining the touch co-ordinates
{
   xt = (X_MAX*readTouchX()/TOTAL1);
            yt = (Y_MAX*readTouchY()/TOTAL1);
    }


void detect_touch()   // detect the touch //debounce
{
    
while(i==1)
{
    while(Touch_D)//touch detection 
    {
         wait_ms(200); ///wait for debounce check
           if (Touch_D)
           {  
             Touch_D.fall(&touch1);  //determine the touch co-ordinates
             break;
            }
         DisableTouch(); 
               
         }
 }
  }



unsigned char touch_main()    //determining the touch for home screen
{
    
    unsigned char state;
        
                  if ( ((xt >=35) && (xt<=100)) && ( (yt>= 135) && (yt<= 185) ) ) // GLC
                       {
                          
                          state=1;
                        }
    
                 else if ( ((xt >=130) && (xt<=195)) && ( (yt>= 135) && (yt<= 185) ) ) // ECG
                      {
                           state=2;
                        
                          
                       }
                 else if ( ((xt >= 35) && (xt<=100)) && ( (yt>= 65) && (yt<= 118) ) ) // BP
                      {
                                state=3;
                         
                       }
                 else if ( ((xt >= 130) && (xt<=195)) && ( (yt>= 65) && (yt<= 118) ) ) // SET
                       {
                                 state=4;
                        
                       }
                   
         return state;     
    }
   
   

unsigned char touch_ecg()     // determining the touch for ecg screen
{
      
      unsigned char state;
if ( ((xt >=28) && (xt<=125)) && ( (yt>= 225) && (yt<= 285) ) ) // home screen 
                            {
                                
                                state=5;
                            }
         
                      if ( ((xt >=35) && (xt<=100)) && ( (yt>= 135) && (yt<= 185) ) ) // SET
                            {
                               state=6;
                               
                            }
         
                    else if ( ((xt >=150) && (xt<=195)) && ( (yt>= 80) && (yt<= 190) ) ) // start
                            {
                                 state=7;
                             }
      
                    else if ( ((xt >= 35) && (xt<=100)) && ( (yt>= 65) && (yt<= 118) ) ) // history
                            {
                              state=8;
      
                             }
                
           return state;
    }
    


unsigned char touch_bp()   // //determining the touch for bp screen

{
        unsigned char state;
if ( ((xt >=28) && (xt<=125)) && ( (yt>= 225) && (yt<= 285) ) ) 
                       {
                          state=1;
                     
                       }
         
                 else if ( ((xt >=35) && (xt<=100)) && ( (yt>= 135) && (yt<= 185) ) ) 
                       {
                          
                          state=2;
                      
                        }
    
                 else if ( ((xt >=130) && (xt<=195)) && ( (yt>= 135) && (yt<= 185) ) ) 
                      {
                           state=3;
                         
                          
                       }
                 else if ( ((xt >= 35) && (xt<=100)) && ( (yt>= 65) && (yt<= 118) ) ) 
                      {
                                state=4;
                        
                       }
                 else if ( ((xt >= 130) && (xt<=195)) && ( (yt>= 65) && (yt<= 118) ) )
                       {
                                 state=5;
                        
                       }
    
           
           return state;
    }
    
    
    
unsigned char touch_glc()        ////determining the touch for home screen
    {
        unsigned char state;
if ( ((xt >=28) && (xt<=125)) && ( (yt>= 225) && (yt<= 285) ) ) 
                       {
                          state=1;
                        }
         
                 else if ( ((xt >=35) && (xt<=100)) && ( (yt>= 135) && (yt<= 185) ) ) 
                       {
                          
                          state=2;
                      
                        }
    
                 else if ( ((xt >=130) && (xt<=195)) && ( (yt>= 135) && (yt<= 185) ) ) 
                      {
                           state=3;
                       
                          
                       }
                 else if ( ((xt >= 35) && (xt<=100)) && ( (yt>= 65) && (yt<= 118) ) )
                      {
                                state=4;
                      
                       }
                 else if ( ((xt >= 130) && (xt<=195)) && ( (yt>= 65) && (yt<= 118) ) ) // SET
                       {
                                 state=5;
                         
                       }
    
           
           return state;
    } 
      



int readTouchY(void) {
    DigitalOut YD(PTD6);
     DigitalIn XL(PTD7);
     DigitalOut YU(PTC0);
     YU = 1;
     YD = 0;
     AnalogIn XR(PTB0);
     XL.mode(PullNone);
     return XR.read_u16();
}
    
int readTouchX(void) {
    DigitalOut XR(PTB0);
    DigitalIn YD(PTD6);
     DigitalOut XL(PTD7);
     
     XR = 1;
     XL = 0;
     AnalogIn YU(PTC0);
     YD.mode(PullNone);
     return YU.read_u16();
}

void EnableTouch(void){
    
    DigitalIn YD(PTD6);
    DigitalOut XL(PTD7);
    DigitalIn YU(PTC0);
    DigitalIn XR(PTB0);
     XL=0;
      YD.mode(PullUp);
     YU.mode(PullNone);
     XR.mode(PullNone);
   i=1;
    Touch_D.fall(&touch1);
    Touch_D.enable_irq();
   
    }
void DisableTouch (void){
    Touch_D.disable_irq();
    i=0;
    DigitalOut YD(PTD6);
    DigitalOut XL(PTD7);
    DigitalOut YU(PTC0);
    DigitalOut XR(PTB0);
    }