Getting server working with Raspberry pi

I'm trying to get my Geeetech Prusa (with GT2560 board) working with a raspberry pi.  
I've install repetier server on the pi, and it seems to be working, it looks like it's connecting fine with the USB cable.
However the printer doesn't do anything I ask!  As far as I know the printer is all fine, I've been printing lots with the SD card, but I haven't managed to connect repetier at all.

The console looks something like this:
14:53:14.034: echo: External Reset
14:53:14.035: Marlin1.0.2
14:53:14.035: echo: Last Updated: Dec 27 2017 08:40:36 | Author: (geeetech, I3 config)
14:53:14.036: Compiled: Dec 27 2017
14:53:14.036: echo: Free Memory: 3748 PlannerBufferBytes: 1232
14:53:14.037: echo:Hardcoded Default Settings Loaded
14:53:44.118: Error:Line Number is not Last Line Number+1, Last Line: 0
14:53:44.118: Resend: 1
14:53:44.119: echo:SD card ok
 when it first starts up....... I'm assuming that this means that the intial communication between the pi and the printer is OK?

However it just never does anything.  If I try to manually move one of the axis, I get seomthing like this in the log:

15:19:40.284: N94 G1 Y10.00 F6000
15:19:49.333: echo:Unknown command: " "
15:19:51.343: echo:Unknown command: "iU4 "
15:20:29.378: Warning: Communication timeout - resetting communication buffer.
15:20:29.378: Connection status: Buffered:126, Manual Commands: 1, Job Commands: 0
15:20:29.378: Buffer used:126 Enforced free byte:7 lines stored:18
15:20:35.411: echo:Unknown command: " "


Can anyone help me with where to go fixing this??

Thanks

Comments

  • Do you have selected Marlin as firmware type? Looks like you send commands in binary whcih happens if you have selected repetier-firmware.
  • Thank you very much for the response.  This has indeed worked, and it's working beautifully.
    This is a great use case for a Raspberry Pi Zero which is now working perfectly.
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