include/touch.h File Reference

#include "adc.h"

Go to the source code of this file.

Defines
#define	TOUCH_H_   TOUCH_H_
	touch.h
#define	TOUCH_PORT   PORTA
#define	TOUCH_PIN   PINA
#define	TOUCH_DDR   DDRA
#define	TOUCH_X1   PA1
#define	TOUCH_X2   PA3
#define	TOUCH_Y1   PA5
#define	TOUCH_Y2   PA7
#define	TOUCH_PRESSED_LEVEL   1000
Functions
uint8_t	touch_is_pressed (void)
	This functions set 5V to X1 and GND to Y1, the voltage at X2 is measured via the ADC.
int16_t	touch_readX (void)
int16_t	touch_readY (void)

---

Define Documentation

#define TOUCH_DDR   DDRA

#define TOUCH_H_   TOUCH_H_

touch.h

Created on: 29.05.2009 Author: sebastian

#define TOUCH_PIN   PINA

#define TOUCH_PORT   PORTA

#define TOUCH_PRESSED_LEVEL   1000

#define TOUCH_X1   PA1

#define TOUCH_X2   PA3

#define TOUCH_Y1   PA5

#define TOUCH_Y2   PA7

---

Function Documentation

uint8_t touch_is_pressed

(

void

)

This functions set 5V to X1 and GND to Y1, the voltage at X2 is measured via the ADC.

If the ADC-Value is less then TOUCH_PRESSED_LEVEL, the function will return 1.

Returns:

1 if pressed else 0

int16_t touch_readX

(

void

)

int16_t touch_readY

(

void

)