Added sys files for Huxley Duo

SD-image/sys-Huxley/config.g

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+; Huxley Duo config file for dc42 Duet firmware
+; Based on RepRapPro version 1.04
+M111 S0								; Debug off
+M550 PRepRapPro Huxley Duo			; Machine name (can be anything you like)
+M551 Preprap						; Machine password (used for FTP access)
+M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0x14	; MAC Address
+M552 P192.168.1.14					; IP address
+M553 P255.255.255.0					; Netmask
+M554 P192.168.1.1					; Gateway
+M555 P2								; Set output to look like Marlin
+G21									; Work in millimetres
+G90									; Send absolute coordinates...
+M83									; ...but relative extruder moves
+M574 X0 Y1 Z0 S1					; set endstop configuration (Y endstop only, at low end, active high)
+M569 P0 S1							; Reverse the X motor
+M569 P3 S0							; Don't reverse the extruder motor
+M906 X600 Y600 Z600 E600			; Set motor currents (mA)
+M305 P0 T100000 R4700               ; bed thermistor is 100K with 4K7 series resistor
+M305 P1 R4700                       ; first nozzle thermistor has 4K7 series resistor
+M305 P2 R4700                       ; second nozzle thermistor has 4K7 series resistor
+M92 E660							; Set extruder steps per mm
+M558 P2								; Use a modulated Z probe (change to P1 if you have a dc42 diff IR zprobe)
+G31 Z0.6 P550						; Set the probe height and threshold (deliberately too high to avoid bed crashes on initial setup)
+M556 S78 X0 Y0 Z0					; Put your axis compensation here
+M201 X3000 Y3000 Z150 E500			; Accelerations (mm/s^2)
+M203 X15000 Y15000 Z100 E3600		; Maximum speeds (mm/min)
+M566 X200 Y200 Z30 E20				; Maximum jerk rates mm/minute
+M563 P0 D0 H1						; Define tool 0
+G10 P0 S-273 R-273					; Set tool 0 operating and standby temperatures
+;M563 P1 D1 H2						; Define tool 1 Uncomment if you have a dual colour upgrade
+;G10 P1 X19 S-273 R-273				; Set tool 1 operating and standby temperatures Uncomment if you have a dual colour upgrade
+M208 X140 Y140						; set axis maxima (adjust to suit your machine)
+M208 X-8 Y0 S1						; set axis minimum (adjust to make X=0 the edge of the bed after homing)

SD-image/sys-Huxley/homeall.g

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+; Ormerod 2 homeall file for use with dc42 Duet firmware
+; Adjust the bed upper and lower limits in config.g (M208 commands) to get the correct homing positions
+G91
+G1 Z4 F200
+G1 X-240 Y-240 F3000 S1
+G1 X4 Y4 F600
+G1 X-10 Y-10 S1
+G90
+; Adjust the XY coordinates in the following to place the IR sensor over a suitable spot
+; If you are using a dc42 IR sensor then you can change the coordinates to be near the centre of the bed
+G1 X45 Y5 F2000
+G30
+; This file leaves the head at the zprobe trigger height so that you can slip a piece of paper under it and then do G0 Z0 to check the height.
+; If you prefer to send the printer to X0Y0Z0, un-comment the following lines
+;G1 X0 Y0 F5000
+;G1 Z0

SD-image/sys-Huxley/homex.g

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+; X axis homing file for dc42 Duet firmware
+G91
+G1 Z4 F200
+G1 X-240 F3000 S1
+G1 X4 F600
+G1 X-10 S1
+G1 Z-4 F200
+G90

SD-image/sys-Huxley/homey.g

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+; Ormerod 2 or Huxley Y homing file for dc42 Duet firmware
+G91
+G1 Z4 F200
+G1 Y-240 F3000 S1
+G1 Y4 F600
+G1 Y-10 S1
+G1 Z-4 F200
+G90

SD-image/sys-Huxley/homez.g

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+; Z homing file for dc42 fork of RepRapFirmware
+G91
+G1 Z5 F200
+G90
+; Adjust the coordinates in the following line to place the head at a suitable position for Z homing
+G1 X45 Y5
+G30
+G1 Z0 F200

SD-image/sys-Huxley/pause.g

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+; Pause macro file
+G1 E-4 F2500		; retract 4mm
+G91					; relative moves
+G1 Z2 F5000			; raise nozzle 2mm
+G90					; absolute moves
+G1 X0 Y0 F5000		; move head out of the way of the print

SD-image/sys-Huxley/resume.g

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+; Resume macro file
+G1 R1 Z2		; move to 2mm above resume point
+G1 R1			; lower nozzle to resume point
+G1 E4 F2500		; undo the retraction

SD-image/sys-Huxley/tfree0.g

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+; tfree1.g
+; Put G/M Codes in here to run when Tool 1 is freed

SD-image/sys-Huxley/tfree1.g

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+; tfree2.g
+; Put G/M Codes in here to run when Tool 2 is freed

SD-image/sys-Huxley/tpost0.g

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+; tpost1.g
+; Put G/M Codes in here to run after Tool 1 is selected
+; un-comment the following line if you have a dual-nozzle build
+;M116 P1
+

SD-image/sys-Huxley/tpost1.g

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+; tpost1.g
+; Put G/M Codes in here to run after Tool 1 is selected
+; un-comment the following line if you have a dual-nozzle build
+;M116 P1
+

SD-image/sys-Huxley/tpre0.g

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+; tpre1.g
+; Put G/M Codes in here to run before Tool 1 is selected
+; un-comment the following line if you have a dual-nozzle build
+;G1 X1 Y205 F6000

SD-image/sys-Huxley/tpre1.g

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+; tpre2.g
+; Put G/M Codes in here to run before Tool 2 is selected
+; un-comment the following line if you have a dual-nozzle build
+;G1 X1 Y205 F6000