/*
  pins_arduino.h - Pin definition functions for Arduino Robot Control Board
  Part of Arduino - http://www.arduino.cc/

  Copyright (c) 2913 D. Cuartielles, X. Yang (Arduino Verkstad)
  Copyright (c) 2012 D. Cuartielles, N. de la Riva, I. Gallego, E. Gallego

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General
  Public License along with this library; if not, write to the
  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  Boston, MA  02111-1307  USA

  $Id: pins_arduino.h 1 2013-03-16 20:47:51Z cuartielles $
*/

#ifndef Pins_Arduino_h
#define Pins_Arduino_h

#include <avr/pgmspace.h>

#define ARDUINO_MODEL_USB_PID	0x0038

#define TX_RX_LED_INIT	DDRD |= (1<<5), DDRB |= (1<<0)
#define TXLED0			PORTD |= (1<<5)
#define TXLED1			PORTD &= ~(1<<5)
#define RXLED0			PORTB |= (1<<0)
#define RXLED1			PORTB &= ~(1<<0)

static const uint8_t RX  = 0;
static const uint8_t TX  = 1;
static const uint8_t SDA = 2;
static const uint8_t SCL = 3;

// Map SPI port to 'new' pins D14..D17
static const uint8_t SS   = 17;
static const uint8_t MOSI = 16;
static const uint8_t MISO = 14;
static const uint8_t SCK  = 15;

// Mapping of analog pins as digital I/O
// A6-A11 share with digital pins
static const uint8_t A0 = 18;
static const uint8_t A1 = 19;
static const uint8_t A2 = 20;
static const uint8_t A3 = 21;
static const uint8_t A4 = 22;
static const uint8_t A5 = 23;
static const uint8_t A6 = 24;	// D4
static const uint8_t A7 = 25;	// D6
static const uint8_t A8 = 26;	// D8
static const uint8_t A9 = 27;	// D9
static const uint8_t A10 = 28;	// D10
static const uint8_t A11 = 29;	// D12

// Specific Mapping for the Control Board
static const uint8_t KEY 	= 18;  	// AD0
static const uint8_t MUX_IN = 24; 	// ADC8 - A6
static const uint8_t MUXA 	= 6;  	// D5 - TKD4
static const uint8_t MUXB 	= 11;  	// D11
static const uint8_t MUXC 	= 12;  	// D12 - TKD5
static const uint8_t MUXD 	= 13;   // D13
static const uint8_t BUZZ 	= 5;   	// D5
static const uint8_t POT 	= 23;  	// AD5
static const uint8_t DC_LCD = 10; 	// D10
static const uint8_t LCD_CS = 9;  	// D9
static const uint8_t RST_LCD = 7; 	// D6
static const uint8_t CARD_CS = 8;   // D8
static const uint8_t TKD0	 = 19;  // ADC6 - A1
static const uint8_t TKD1	 = 20;  // ADC5 - A2
static const uint8_t TKD2	 = 21;  // ADC4 - A3
static const uint8_t TKD3	 = 22;  // ADC1 - A4
static const uint8_t TKD4	 = 6;   // D5 - MUXA
static const uint8_t TKD5	 = 12;  // D12 - MUXC
static const uint8_t LED1	 = 17;  // D17 - RX_Led

//	__AVR_ATmega32U4__ has an unusual mapping of pins to channels
extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
#define analogPinToChannel(P)  ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )

#ifdef ARDUINO_MAIN

// On the Arduino board, digital pins are also used
// for the analog output (software PWM).  Analog input
// pins are a separate set.

// ARDUINO LEONARDO / ARDUINO ROBOT CONTROL / ATMEGA 32U4 / FUNCTION / REGISTER 
//
// D0		RX					PD2		RX			RXD1/INT2
// D1		TX					PD3		TX			TXD1/INT3
// D2		SDA					PD1		SDA			SDA/INT1
// D3#		SCL					PD0		PWM8/SCL	OC0B/SCL/INT0
// D4		MUX_IN		A6		PD4					ADC8
// D5#		BUZZ				PC6		???			OC3A/#OC4A
// D6#		MUXA/TKD4	A7		PD7		FastPWM		#OC4D/ADC10
// D7		RST_LCD				PE6					INT6/AIN0
//
// D8		CARD_CS		A8		PB4					ADC11/PCINT4
// D9#		LCD_CS		A9		PB5		PWM16		OC1A/#OC4B/ADC12/PCINT5
// D10#		DC_LCD		A10		PB6		PWM16		OC1B/0c4B/ADC13/PCINT6
// D11#		MUXB				PB7		PWM8/16		0C0A/OC1C/#RTS/PCINT7
// D12		MUXC/TKD5	A11		PD6					T1/#OC4D/ADC9
// D13#		MUXD				PC7		PWM10		CLK0/OC4A
//
// A0		KEY			D18		PF7					ADC7
// A1		TKD0		D19		PF6					ADC6
// A2		TKD1		D20 	PF5					ADC5
// A3		TKD2		D21 	PF4					ADC4
// A4		TKD3		D22		PF1					ADC1
// A5		POT			D23 	PF0					ADC0
//
// MISO		MISO		D14		PB3					MISO,PCINT3
// SCK		SCK			D15		PB1					SCK,PCINT1
// MOSI		MOSI		D16		PB2					MOSI,PCINT2
// SS		RX_LED		D17		PB0					RXLED,SS/PCINT0
//
// TXLED	TX_LED		PD5
// HWB					PE2					HWB

// these arrays map port names (e.g. port B) to the
// appropriate addresses for various functions (e.g. reading
// and writing)
const uint16_t PROGMEM port_to_mode_PGM[] = {
	NOT_A_PORT,
	NOT_A_PORT,
	(uint16_t) &DDRB,
	(uint16_t) &DDRC,
	(uint16_t) &DDRD,
	(uint16_t) &DDRE,
	(uint16_t) &DDRF,
};

const uint16_t PROGMEM port_to_output_PGM[] = {
	NOT_A_PORT,
	NOT_A_PORT,
	(uint16_t) &PORTB,
	(uint16_t) &PORTC,
	(uint16_t) &PORTD,
	(uint16_t) &PORTE,
	(uint16_t) &PORTF,
};

const uint16_t PROGMEM port_to_input_PGM[] = {
	NOT_A_PORT,
	NOT_A_PORT,
	(uint16_t) &PINB,
	(uint16_t) &PINC,
	(uint16_t) &PIND,
	(uint16_t) &PINE,
	(uint16_t) &PINF,
};

const uint8_t PROGMEM digital_pin_to_port_PGM[30] = {
	PD, // D0 - PD2
	PD,	// D1 - PD3
	PD, // D2 - PD1
	PD,	// D3 - PD0
	PD,	// D4 - PD4
	PC, // D5 - PC6
	PD, // D6 - PD7
	PE, // D7 - PE6
	
	PB, // D8 - PB4
	PB,	// D9 - PB5
	PB, // D10 - PB6
	PB,	// D11 - PB7
	PD, // D12 - PD6
	PC, // D13 - PC7
	
	PB,	// D14 - MISO - PB3
	PB,	// D15 - SCK - PB1
	PB,	// D16 - MOSI - PB2
	PB,	// D17 - SS - PB0
	
	PF,	// D18 - A0 - PF7
	PF, // D19 - A1 - PF6
	PF, // D20 - A2 - PF5
	PF, // D21 - A3 - PF4
	PF, // D22 - A4 - PF1
	PF, // D23 - A5 - PF0
	
	PD, // D24 / D4 - A6 - PD4
	PD, // D25 / D6 - A7 - PD7
	PB, // D26 / D8 - A8 - PB4
	PB, // D27 / D9 - A9 - PB5
	PB, // D28 / D10 - A10 - PB6
	PD, // D29 / D12 - A11 - PD6
};

const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[30] = {
	_BV(2), // D0 - PD2
	_BV(3),	// D1 - PD3
	_BV(1), // D2 - PD1
	_BV(0),	// D3 - PD0
	_BV(4),	// D4 - PD4
	_BV(6), // D5 - PC6
	_BV(7), // D6 - PD7
	_BV(6), // D7 - PE6
	
	_BV(4), // D8 - PB4
	_BV(5),	// D9 - PB5
	_BV(6), // D10 - PB6
	_BV(7),	// D11 - PB7
	_BV(6), // D12 - PD6
	_BV(7), // D13 - PC7
	
	_BV(3),	// D14 - MISO - PB3
	_BV(1),	// D15 - SCK - PB1
	_BV(2),	// D16 - MOSI - PB2
	_BV(0),	// D17 - SS - PB0
	
	_BV(7),	// D18 - A0 - PF7
	_BV(6), // D19 - A1 - PF6
	_BV(5), // D20 - A2 - PF5
	_BV(4), // D21 - A3 - PF4
	_BV(1), // D22 - A4 - PF1
	_BV(0), // D23 - A5 - PF0
	
	_BV(4), // D24 / D4 - A6 - PD4
	_BV(7), // D25 / D6 - A7 - PD7
	_BV(4), // D26 / D8 - A8 - PB4
	_BV(5), // D27 / D9 - A9 - PB5
	_BV(6), // D28 / D10 - A10 - PB6
	_BV(6), // D29 / D12 - A11 - PD6
};

const uint8_t PROGMEM digital_pin_to_timer_PGM[18] = {
	NOT_ON_TIMER,	
	NOT_ON_TIMER,
	NOT_ON_TIMER,
	TIMER0B,		/* 3 */
	NOT_ON_TIMER,
	TIMER3A,		/* 5 */
	TIMER4D,		/* 6 */
	NOT_ON_TIMER,	
	
	NOT_ON_TIMER,	
	TIMER1A,		/* 9 */
	TIMER1B,		/* 10 */
	TIMER0A,		/* 11 */
	
	NOT_ON_TIMER,	
	TIMER4A,		/* 13 */
	
	NOT_ON_TIMER,	
	NOT_ON_TIMER,
};

const uint8_t PROGMEM analog_pin_to_channel_PGM[12] = {
	7,	// A0				PF7					ADC7
	6,	// A1				PF6					ADC6	
	5,	// A2				PF5					ADC5	
	4,	// A3				PF4					ADC4
	1,	// A4				PF1					ADC1	
	0,	// A5				PF0					ADC0	
	8,	// A6		D4		PD4					ADC8
	10,	// A7		D6		PD7					ADC10
	11,	// A8		D8		PB4					ADC11
	12,	// A9		D9		PB5					ADC12
	13,	// A10		D10		PB6					ADC13
	9	// A11		D12		PD6					ADC9
};

#endif /* ARDUINO_MAIN */
#endif /* Pins_Arduino_h */
