/* Notice to developers: this file is intentionally included twice. */

/*
	CPU clock rate
*/
#ifndef	F_CPU
	#define	F_CPU	16000000L
#endif

/*
	other fallbacks for the Arduino IDE
*/
#define EXTRUDER
#define GEN3

#include	"arduino.h"

// controller index- bus is multidrop after all
#define	THIS_CONTROLLER_NUM 0

//RS485 Interface pins
#define RX_ENABLE_PIN DIO4
#define TX_ENABLE_PIN AIO2

// Control pins for the A3949 chips
#define H1D DIO7
#define H1E DIO5
#define H2D DIO8
#define H2E DIO6

// PWM versions of the enable_pins
#define H1E_PWM OCR0B
#define H2E_PWM OCR0A

//Step/Dir Pins from motherboard to extruder
//IMPORTANT: Assumes that the step pin is on PCIE0
#define E_STEP_PIN DIO10
#define E_DIR_PIN DIO9

//Trimpot is on AIO0, pin 23
#define TRIM_POT AIO0
#define TRIM_POT_CHANNEL 0

//Read analog voltage from thermistor
#define TEMP_PIN AIO3
#define TEMP_PIN_CHANNEL 3

//Read analog voltage from thermistor
#define TEMP_BED_PIN AIO6
#define TEMP_BED_PIN_CHANNEL 6


#define	REFERENCE	REFERENCE_AVCC

#define ANALOG_MASK	(MASK(TRIM_POT_CHANNEL) | MASK(TEMP_PIN_CHANNEL) | MASK(TEMP_BED_PIN_CHANNEL))

#define	TEMP_THERMISTOR

#define	HEATER_PIN	DIO11
#define BED_PIN		AIO1
#define FAN_PIN		DIO12

// extruder settings
#define	TEMP_HYSTERESIS				5
#define	TEMP_RESIDENCY_TIME		60

#ifdef	DEFINE_TEMP_SENSOR
DEFINE_TEMP_SENSOR(extruder,	TT_THERMISTOR,		TEMP_PIN_CHANNEL,		THERMISTOR_EXTRUDER)
DEFINE_TEMP_SENSOR(bed,			TT_THERMISTOR,		TEMP_BED_PIN_CHANNEL,	THERMISTOR_EXTRUDER)
#endif

#ifdef	DEFINE_HEATER
DEFINE_HEATER(extruder,	DIO11)
DEFINE_HEATER(bed,			AIO1)
#endif

// list of PWM-able pins and corresponding timers
// timer1 is used for step timing so don't use OC1A/OC1B (DIO9/DIO10)
// OC0A												DIO6
// OC0B												DIO5
// OC1A												DIO9
// OC1B												DIO10
// OC2A												DIO11
// OC2B												DIO3

#define	TH_COUNT					8
#define	PID_SCALE					1024L


/*
	Motors
*/

#define enable_motors()				do { TCCR0A |= MASK(COM0A1) | MASK(COM0B1); } while (0)
#define disable_motors()			do { TCCR0A &= ~MASK(COM0A1) & ~MASK(COM0B1); } while (0)