#include "touchscreen.h"
unsigned int touchx=0;
unsigned int touchy=0;
uint16_t readADC(uint16_t channel) ;

uint16_t  settouchreadx(void)
{
DDRA|=(1<<PA1)|(1<<PA0);
DDRA &=~ (1<<PA2)|(1<<PA3);
xp_high();
xm_low();


return readADC(2);

}

uint16_t settouchready(void)
{

DDRA|=(1<<PA2)|(1<<PA3);
DDRA&=~(1<<PA0)|(1<<PA1);
yp_high();
ym_low();

return readADC(0);

}



uint16_t readADC(uint16_t channel) {
	 uint8_t i;
  uint16_t result;
 
   ADCSRA = (1<<ADEN)  | (1<<ADPS0) | (1<<ADPS1) | (1<<ADPS2) ;    
   
 ADMUX = channel; 
  ADMUX |=   (1<<REFS0)  ; 
 
  ADCSRA |= (1<<ADSC);             
  while ( ADCSRA & (1<<ADSC) ) {
     ;     
  }
  result = ADCW;  
 
  
  result = 0; 
  for( i=0; i<10; i++ )
  {
    ADCSRA |= (1<<ADSC);            
    while ( ADCSRA & (1<<ADSC) ) {
      ;   
    }
    result += ADCW;		   
  }
  ADCSRA &= ~(1<<ADEN);             
 
  result /= 10;  
   
	
	return result;
}