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Cura 12.12 with RAMPS 1.4 connection issue


pretengineer
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Posted · Cura 12.12 with RAMPS 1.4 connection issue

Hi,

I've recently downloaded Cura 12.12 to use with my RepRap Prusa but I can't get it to connect. When I click connect in the print dialog, it goes from 'Machine State: Detecting baudrate' to 'Machine State: Error: No more baudrates...'

I've tried setting different baudrates in the firmware but no luck. I've been using Slic3r and Pronterface for the past few weeks with little to no issues.

I'm using RAMPS1.4 and Sprinter software.

Any ideas on a solution?

 

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    Posted · Cura 12.12 with RAMPS 1.4 connection issue

    Error Log

    Changing monitoring state from 'Offline' to 'Opening serial port'

    Connecting to: COM8

    Connected to: Serial<id=0x350c670, open=True>(port='COM8', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=0.1, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor

    Changing monitoring state from 'Opening serial port' to 'Detecting baudrate'

    Trying baudrate: 250000

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 230400

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 115200

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 57600

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 38400

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 19200

    Send: M105

    Baudrate test retry: 4

    Send: M105

    Baudrate test retry: 3

    Send: M105

    Baudrate test retry: 2

    Send: M105

    Baudrate test retry: 1

    Send: M105

    Baudrate test retry: 0

    Send: M105

    Trying baudrate: 9600

    Send: M105

    Changing monitoring state from 'Detecting baudrate' to 'Closed'

    Changing monitoring state from 'Closed' to 'Error: No more baudrates to...'

    Connection closed, closing down monitor

    I should mention that I had this same problem with a RAMPS 1.3 board and a different Arduino as well.

     

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    Posted · Cura 12.12 with RAMPS 1.4 connection issue

    Odd. I've never tried sprinter myself (as we use Marlin), one of the things that could be it is that it takes a while for sprinter to be start-up. If you use pronterface, how long does it take to connect? (Pronterface uses very long timeouts, while those of Cura are pretty short)

     

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    Posted · Cura 12.12 with RAMPS 1.4 connection issue

    Pronterface connects almost instantly. I have to swap out my heatbed thermistor for one that Marlin won't read as absolute zero so until then, I'm stuck with Sprinter. I've only realised there's a new version of Cura available so I'll upgrade and see if that helps.

     

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    Posted · Cura 12.12 with RAMPS 1.4 connection issue

    Did the upgrade fix it? I know when I had trouble with my Gen 6 connecting, once I upgraded to 13.03 I believe it was Cura connected just as well as the others. Before I upgraded I was having the same issues you are.

     

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    Posted · Cura 12.12 with RAMPS 1.4 connection issue

    I haven't had the chance to try it with the upgrade, I'll post results at the weekend when I give it a try.

     

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