#ifndef PINS_DUET_H__
#define PINS_DUET_H__

#define FIRMWARE_NAME "RepRapFirmware for Duet"

// Features definition
#define HAS_LWIP_NETWORKING		1
#define HAS_CPU_TEMP_SENSOR		1
#define HAS_HIGH_SPEED_SD		1
#define HAS_SMART_DRIVERS		0
#define HAS_VOLTAGE_MONITOR		0
#define ACTIVE_LOW_HEAT_ON		1

const size_t NumFirmwareUpdateModules = 1;
#define IAP_UPDATE_FILE "iap.bin"
#define IAP_FIRMWARE_FILE "RepRapFirmware.bin"

// Default board type
#define DEFAULT_BOARD_TYPE BoardType::Duet_06

#define SUPPORT_INKJET		0					// set nonzero to support inkjet control
#define SUPPORT_ROLAND		0					// set nonzero to support Roland mill
#define SUPPORT_SCANNER		0					// set nonzero to support FreeLSS scanners

// The physical capabilities of the machine

const size_t DRIVES = 9;						// The number of drives in the machine, including X, Y, and Z plus extruder drives
#define DRIVES_(a,b,c,d,e,f,g,h,i,j,k,l) { a,b,c,d,e,f,g,h,i }

const size_t Heaters = 7;						// The number of heaters in the machine; 0 is the heated bed even if there isn't one
#define HEATERS_(a,b,c,d,e,f,g,h) { a,b,c,d,e,f,g }

const size_t MinAxes = 3;						// The minimum and default number of axes
const size_t MaxAxes = 6;						// The maximum number of movement axes in the machine, usually just X, Y and Z, <= DRIVES
// Initialization macro used in statements needing to initialize values in arrays of size MAX_AXES
#define AXES_(a,b,c,d,e,f,g,h,i) { a,b,c,d,e,f }

const size_t MaxExtruders = DRIVES - MinAxes;	// The maximum number of extruders
const size_t MaxDriversPerAxis = 4;				// The maximum number of stepper drivers assigned to one axis

const size_t NUM_SERIAL_CHANNELS = 3;			// The number of serial IO channels (USB and two auxiliary UARTs)
#define SERIAL_MAIN_DEVICE SerialUSB
#define SERIAL_AUX_DEVICE Serial
#define SERIAL_AUX2_DEVICE Serial1

// The numbers of entries in each array must correspond with the values of DRIVES, AXES, or HEATERS. Set values to NoPin to flag unavailability.

// Drives

const Pin ENABLE_PINS[DRIVES] = { 29, 27, X1, X0, 37, X8, 50, 47, X13 };
const Pin STEP_PINS[DRIVES] = { 14, 25, 5, X2, 41, 39, X4, 49, X10 };
const Pin DIRECTION_PINS[DRIVES] = { 15, 26, 4, X3, 35, 53, 51, 48, X11 };

// Endstops
// RepRapFirmware only has a single endstop per axis.
// Gcode defines if it is a max ("high end") or min ("low end") endstop and sets if it is active HIGH or LOW.
const Pin END_STOP_PINS[DRIVES] = { 11, 28, 60, 31, 24, 46, 45, 44, X9 };

// Indices for motor current digipots (if any): first 4 are for digipot 1 (on duet), second 4 for digipot 2 (on expansion board)
const uint8_t POT_WIPES[8] = { 1, 3, 2, 0, 1, 3, 2, 0 };
const float SENSE_RESISTOR = 0.1;										// Stepper motor current sense resistor
const float MAX_STEPPER_DIGIPOT_VOLTAGE = (3.3 * 2.5 / (2.7 + 2.5));	// Stepper motor current reference voltage
const float STEPPER_DAC_VOLTAGE_RANGE = 2.02;							// Stepper motor current reference voltage for E1 if using a DAC
const float STEPPER_DAC_VOLTAGE_OFFSET = -0.025;						// Stepper motor current offset voltage for E1 if using a DAC

// HEATERS
const Pin TEMP_SENSE_PINS[Heaters] = { 5, 4, 0, 7, 8, 9, 11 };			// Analogue pin numbers
const Pin HEAT_ON_PINS[Heaters] = { 6, X5, X7, 7, 8, 9, X17 };			// Heater Channel 7 (pin X17) is shared with Fan1

// Default thermistor parameters
// Bed thermistor: http://uk.farnell.com/epcos/b57863s103f040/sensor-miniature-ntc-10k/dp/1299930?Ntt=129-9930
// Hot end thermistor: http://www.digikey.co.uk/product-search/en?x=20&y=11&KeyWords=480-3137-ND
const float BED_R25 = 10000.0;
const float BED_BETA = 3988.0;
const float BED_SHC = 0.0;
const float EXT_R25 = 100000.0;
const float EXT_BETA = 4388.0;
const float EXT_SHC = 0.0;

// Thermistor series resistor value in Ohms
// On later Duet 0.6 and all Duet 0.8.5 boards it is 4700 ohms. However, if we change the default then machines that have 1K series resistors
// and don't have R1000 in the M305 commands in config.g will overheat. So for safety we leave the default as 1000.
const float THERMISTOR_SERIES_RS = 1000.0;

// Number of SPI temperature sensors to support

#if SUPPORT_ROLAND

// chrishamm's pin assignments
const size_t MaxSpiTempSensors = 2;

// Digital pins the 31855s have their select lines tied to
const Pin SpiTempSensorCsPins[MaxSpiTempSensors] = { 77, 87 };

#else

const size_t MaxSpiTempSensors = 4;

// Digital pins the 31855s have their select lines tied to
const Pin SpiTempSensorCsPins[MaxSpiTempSensors] = { 77, 87, 16, 17 };

#endif

// Arduino Due pin number that controls the ATX power on/off
const Pin ATX_POWER_PIN = 12;											// Arduino Due pin number that controls the ATX power on/off

// Analogue pin numbers
const Pin Z_PROBE_PIN = 10;												// Analogue pin number

// Digital pin number to turn the IR LED on (high) or off (low)
const Pin Z_PROBE_MOD_PIN = 52;											// Digital pin number to turn the IR LED on (high) or off (low) on Duet v0.6 and v1.0 (PB21)
const Pin Z_PROBE_MOD_PIN07 = X12;										// Digital pin number to turn the IR LED on (high) or off (low) on Duet v0.7 and v0.8.5 (PC10)

// Pin number that the DAC that controls the second extruder motor current on the Duet 0.8.5 is connected to
const int Dac0DigitalPin = 66;											// Arduino Due pin number corresponding to DAC0 output pin

// COOLING FANS
const size_t NUM_FANS = 2;
const Pin COOLING_FAN_PINS[NUM_FANS] = { X6, X17 };						// Pin D34 is PWM capable but not an Arduino PWM pin - use X6 instead
const Pin COOLING_FAN_RPM_PIN = 23;										// Pin PA15

// SD cards
const size_t NumSdCards = 2;
const Pin SdCardDetectPins[NumSdCards] = {NoPin, NoPin};				// Although the Duet PCB supports a CD pin, due to a bug in the SAM3X it is unusable if we enable the temperature sensor
const Pin SdWriteProtectPins[NumSdCards] = {NoPin, NoPin};
const Pin SdSpiCSPins[1] = {67};										// Pin PB16 Note: this clashes with inkjet support

#if SUPPORT_INKJET
// Inkjet control pins
const Pin INKJET_SERIAL_OUT = 21;										// Serial bitpattern into the shift register
const Pin INKJET_SHIFT_CLOCK = 20;										// Shift the register
const Pin INKJET_STORAGE_CLOCK = 67;									// Put the pattern in the output register
const Pin INKJET_OUTPUT_ENABLE = 66;									// Make the output visible
const Pin INKJET_CLEAR = 65;											// Clear the register to 0

#endif

#if SUPPORT_ROLAND
// Roland mill
const Pin ROLAND_CTS_PIN = 16;											// Expansion pin 11, PA12_TXD1
const Pin ROLAND_RTS_PIN = 17;											// Expansion pin 12, PA13_RXD1

#endif

// M42 and M208 commands now use logical pin numbers, not firmware pin numbers.
// This is the mapping from logical pins 60+ to firmware pin numbers
const Pin SpecialPinMap[] =
{
	19, 18,	17, 16, 23, 	// PA10/RXD0 PA11/TXD0 PA12/RXD1 PA13/TXD1 PA14/RTS1
	20, 21, 67, 52, 		// PB12/TWD1 PB13/TWCK1 PB16/DAC1 PB21/AD14
	36						// PC4
};

// This next definition defines the highest one.
const int HighestLogicalPin = 60 + ARRAY_SIZE(SpecialPinMap) - 1;		// highest logical pin number on this electronics

// SAM3X Flash locations (may be expanded in the future)
const uint32_t IAP_FLASH_START = 0x000F0000;
const uint32_t IAP_FLASH_END = 0x000FFBFF;		// don't touch the last 1KB, it's used for NvData

// Timer allocation
#define NETWORK_TC			(TC1)
#define NETWORK_TC_CHAN		(1)
#define NETWORK_TC_IRQN		TC4_IRQn
#define NETWORK_TC_HANDLER	TC4_Handler

#define STEP_TC				(TC1)
#define STEP_TC_CHAN		(0)
#define STEP_TC_IRQN		TC3_IRQn
#define STEP_TC_HANDLER		TC3_Handler

#endif