I fixed it !!. my endstops were on NC, I put a ! in front of it to make it a NO and now it works
I used the normal code for the home command and the M574 in my config.

I found this other forum post from a guy with a similar problem. https://forum.duet3d.com/topic/20318/mpcnc-duet-3-sbc-dual-endstop-for-x-and-y-axes?_=1609092505581

And I read from this link https://duet3d.dozuki.com/Wiki/Bed_levelling_using_multiple_independent_Z_motors#Section_In_RepRapFirmware_Num_3
that @Veti provided that in 3.0 and above you don't have to separate the axis.

Thanks, @Phaedrux for noticing my error in the code, that would probably have taken me a day to figure out.

What postprocessor do you guys use for a CNC with a duet 2 wifi?

I tried multiple ones like:
Workbee
RS-274
Mach2
Mach3

They all don't work with the duet 2. Like when I send it to the machine it just goes to the home position.
I hope someone can help me with it.

I fixed it !!. my endstops were on NC, I put a ! in front of it to make it a NO and now it works
I used the normal code for the home command and the M574 in my config.

I found this other forum post from a guy with a similar problem. https://forum.duet3d.com/topic/20318/mpcnc-duet-3-sbc-dual-endstop-for-x-and-y-axes?_=1609092505581

And I read from this link https://duet3d.dozuki.com/Wiki/Bed_levelling_using_multiple_independent_Z_motors#Section_In_RepRapFirmware_Num_3
that @Veti provided that in 3.0 and above you don't have to separate the axis.

Thanks, @Phaedrux for noticing my error in the code, that would probably have taken me a day to figure out.

@Veti i am using 3.1.1 (2020-05-19b2).

Thank you for the link. this is definitely helpful.

@dc42 this is my config file.

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.1.4 on Sat Nov 14 2020 18:37:55 GMT+0100 (Midden-Europese standaardtijd)

; General preferences
G90                            ; send absolute coordinates...
M83                            ; ...but relative extruder moves
M550 P"MPCNC"             ; set printer name

; Network
M552 S1                        ; enable network
M586 P0 S1                     ; enable HTTP
M586 P1 S0                     ; disable FTP
M586 P2 S0                     ; disable Telnet

; Drives
M569 P0 S1                     ; physical drive 0 goes forwards
M569 P1 S1                     ; physical drive 1 goes forwards
M569 P2 S1                     ; physical drive 2 goes forwards
M569 P3 S1                     ; physical drive 3 goes forwards
M569 P4 S1                     ; physical drive 4 goes forwards
M584 X0:3 Y1:4 Z2              ; set drive mapping
M350 X16 Y16 Z16 I1            ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z400.00      ; set steps per mm
M566 X900.00 Y900.00 Z12.00    ; set maximum instantaneous speed changes (mm/min)
M203 X3000.00 Y3000.00 Z180.00 ; set maximum speeds (mm/min)
M201 X500.00 Y500.00 Z20.00    ; set accelerations (mm/s^2)
M906 X800 Y800 Z800 I30        ; set motor currents (mA) and motor idle factor in per cent
M84 S30                        ; Set idle timeout

; Axis Limits
M208 X0 Y0 Z0 S1               ; set axis minima
M208 X800 Y800 Z70 S0          ; set axis maxima

; Endstops
M574 X1 S1 P"xstop+e0stop"            ; configure active-high endstop for low end on X via pin xstop
M574 Y1 S1 P"ystop=e1stop"            ; configure active-high endstop for low end on Y via pin ystop

; Z-Probe
M558 P0 H5 F120 T6000          ; disable Z probe but set dive height, probe speed and travel speed
M557 X15:215 Y15:195 S20       ; define mesh grid

; Heaters
M140 H-1                       ; disable heated bed (overrides default heater mapping)

; Fans

; Tools

; Custom settings are not defined

I am very new to the CNC world. I am making an MPCNC with a duet 2 wifi (latest 3.0 firmware I think). it uses 5 NEMA 17 motors.
X - 2 motors, 2 endstop
Y - 2 motors, 2 endstop
Z - 1 motor, manual zero
I got the motors working with the M564 S0 H0 command.

Problem is when I want to home the X and Y axis. I want to use a dual endstop system so it squares automatically.
I don't have any experience with writing Gcode so i generated a part of the home gcode with the RepRap configurator.
when I press homeX or homeY it only moves the z-axis about 1cm up and down and it says home failed. this is my file to home the X axis. the Y axis it

; homex.g
; called to home the X axis
;
; generated by RepRapFirmware Configuration Tool v3.1.4 on Sat Nov 14 2020 18:37:55 GMT+0100 (Midden-Europese standaardtijd)
M581 X0:3 S-1 T2 C0  ;disable trigger for endstop X
G21  ; set to mm
G91               ; relative positioning
M584 X0 W3 P4  ; seperate Y axis for alingning
G1 H2 Z5 F6000    ; lift Z relative to current position
G1 H1 X-805 F1800 ; move quickly to X axis endstop and stop there (first pass)
G1 H2 X5 F6000    ; go back a few mm
G1 H1 X-805 F360  ; move slowly to X axis endstop once more (second pass)
G1 H2 Z-5 F6000   ; lower Z again
G90               ; absolute positioning
M581 X S1 T2 C0   ; enable trigger for endstop X

I hope some of you can help me.