ATmega ATXmega PORT helpers

/**
 * @file                lib/utils.h
 * @author          Alexander Krause <alexander.krause@ed-solutions.de>
 * @date                05.03.2012
 * @version         0.1.0
 *
 *
 */


#ifndef LIB__UTILS_H
#define LIB__UTILS_H

uint8_t mirror_uint8(uint8_t);

#if defined (__AVR_ATxmega16A4__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega16A4U__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega16D4__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega32A4__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega32A4U__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega32D4__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega64A1__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega64A1U__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega64A3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega64D3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega128A1__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega128A1U__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega128A3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega128D3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega192A3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega192D3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega256A3__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega256A3B__)
#define IS_XMEGA
#elif defined (__AVR_ATxmega256D3__)
#define IS_XMEGA
#endif

#ifdef IS_XMEGA
#define PORT_DIRSET(x)              _port_dirset(x)
#define PORT_DIRCLR(x)              _port_dirclr(x)
#define PORT_OUTSET(x)              _port_outset(x)
#define PORT_OUTCLR(x)              _port_outclr(x)
#define PORT_OUTTGL(x)              _port_outtgl(x)
#else
#define PORT(x)             _port2(x)
#define DDR(x)              _ddr2(x)
#define PIN(x)              _pin2(x)
#define REG(x)              _reg(x)
#define PIN_NUM(x)      _pin_num(x)
#endif


#define PIN_LOW(x)              PIN_LOW2(x)
#define PIN_HIGH(x)             PIN_HIGH2(x)
#define PIN_TOGGLE(x)           PIN_TOGGLE2(x)
#define PIN_SET_OUTPUT(x)   PIN_SET_OUTPUT2(x)
#define PIN_SET_INPUT(x)    PIN_SET_INPUT2(x)
#define PIN_SET_PULLUP(x)   PIN_SET2(x)
#define PIN_IS_SET(x)           PIN_IS_SET2(x)

#define SET_INPUT_WITH_PULLUP(x)    SET_INPUT_WITH_PULLUP2(x)

#ifdef IS_XMEGA
#define _DIRSET     ".DIRSET"
#define _DIRCLR     ".DIRCLR"
#define _OUTSET     ".OUTSET"
#define _OUTCLR     ".OUTCLR"

#define _port_dirset(x) PORT ## x ## _DIRSET
#define _port_dirclr(x) PORT ## x ## _DIRCLR
#define _port_outset(x) PORT ## x ## _OUTSET
#define _port_outclr(x) PORT ## x ## _OUTCLR

#else
#define _port2(x)   PORT ## x
#define _ddr2(x)    DDR ## x
#define _pin2(x)    PIN ## x

#define _reg(x,y)       x
#define _pin_num(x,y)   y

#endif

#ifdef IS_XMEGA
#define PIN_LOW2(x,y)           PORT_OUTCLR(x) = (1<<y)
#define PIN_HIGH2(x,y)      PORT_OUTSET(x) = (1<<y)
#define PIN_TOGGLE2(x,y)    PORT_OUTTGL(x) = (1<<y)

#define PIN_SET_OUTPUT2(x,y)    PORT_DIRSET(x) = (1<<y)
#define PIN_SET_INPUT2(x,y)     PORT_DIRCLR(x) = (1<<y)
//#define   PIN_SET_INPUT_WITH_PULLUP2(x,y) PIN_SET_INPUT2(x,y);PIN_SET2(x,y)

//#define   PIN_IS_SET2(x,y)    ((PIN(x) & (1<<y)) != 0)

#else
#define PIN_LOW2(x,y)           PORT(x) &= ~(1<<y)
#define PIN_HIGH2(x,y)      PORT(x) |=  (1<<y)
#define PIN_TOGGLE2(x,y)    PORT(x) ^=  (1<<y)

#define PIN_SET_OUTPUT2(x,y)    DDR(x) |= (1<<y)
#define PIN_SET_INPUT2(x,y)     DDR(x) &= ~(1<<y)
#define PIN_SET_INPUT_WITH_PULLUP2(x,y) PIN_SET_INPUT2(x,y);PIN_SET2(x,y)

#define PIN_IS_SET2(x,y)    ((PIN(x) & (1<<y)) != 0)
#endif

#endif