Extract configuration from RepRap marlin
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Simon Green
Dec 28, 2013, 7:38:00 PM12/28/13
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Hi,
Does anyone know how to extract configuration settings from Marlin before reflashing? I want to add LCD support but don't know the thermistor type or any of the original offsets etc. alternatively is it possible to enable LCD without flashing?
Simon
Stuart Ward
Dec 28, 2013, 7:50:12 PM12/28/13
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You willl need to have a look through the source code from buserror repository
I don’t think LCD support is enabled in the default firmware.Download Marlin
# git clone https://github.com/buserror-uk/Marlin # cd Marlin # git checkout master
Simon
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Barnaby
Dec 29, 2013, 5:00:19 AM12/29/13
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The Round 2 firmware (which I believe is recommended for round 3) is from the "Round 2" branch of my clone:
https://zi.is/p/browser/Marlin/Marlin/Configuration.h?rev=cfcc83ca3a339b4b239ec50d549512fae3ba36b0
Adding LCD support to the OMC will involve writing new code, no way to avoid flashing.
https://zi.is/p/browser/Marlin/Marlin/Configuration.h?rev=cfcc83ca3a339b4b239ec50d549512fae3ba36b0
Adding LCD support to the OMC will involve writing new code, no way to avoid flashing.
Simon Green
Dec 29, 2013, 5:09:15 AM12/29/13
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Is there a way to extract the previous configuration.h settings from an existing ATMega?
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Barnaby
Dec 29, 2013, 5:17:27 AM12/29/13
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Not directly:
If the "EEPROM chitchat" setting was on you can get the information you need, but we have it off as it made the code too large for the chip when using the SD and the bootloader.
You can download the firmware and disassemble it but working out the settings from that would be a right pain. If you compiled yourself it should be deterministic, so just trying different settings till you get exactly the same HEX might work.
If the "EEPROM chitchat" setting was on you can get the information you need, but we have it off as it made the code too large for the chip when using the SD and the bootloader.
You can download the firmware and disassemble it but working out the settings from that would be a right pain. If you compiled yourself it should be deterministic, so just trying different settings till you get exactly the same HEX might work.
danny
Dec 29, 2013, 11:53:12 AM12/29/13
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hi, my friend has the config on his uni pc and hes at home for christmas, he is going to try and reproduce the file as he has the values on his home pc and knows the thermistor etc
shouldn't be long
shouldn't be long
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