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#1 2017-06-03 12:47:01

WheresWaldo
Member
Registered: 2017-05-17
Posts: 37

250000 baud USB communications

I would like to ask about upping the communication on the rPi nanoDLP to 250000 baud, there can be issues with bit errors using slower baud rates. there was quite a discussion on this very topic in the Marlin repository here, https://github.com/MarlinFirmware/Marlin/issues/205. Please note Diad's (Ultimaker/Cura) and ErikZalm's (Marlin) comments on this issue. As you read you will see there are advantages to using 250000 over 115200 with respect to the rPi.

Was there a technical reason 250000 baud was not included?

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#2 2017-06-03 14:40:42

Shahin
Administrator
Registered: 2016-02-17
Posts: 1,834

Re: 250000 baud USB communications

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#3 2017-06-03 15:30:24

WheresWaldo
Member
Registered: 2017-05-17
Posts: 37

Re: 250000 baud USB communications

Hmmm, Why are you not using bcm2835 as that is the specific driver used in the rPi?

Just being curious.

Last edited by WheresWaldo (2017-06-03 15:30:43)

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#4 2017-06-03 16:07:37

Shahin
Administrator
Registered: 2016-02-17
Posts: 1,834

Re: 250000 baud USB communications

Issue is not supporting 250000 baudrate, but supporting things require change to installation. We used to have 250000 and it caused lots of confusion for users.
But you can use this speed by just edit setup page form and submit 250000. Or edit machine.json file and restart.

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