M500 not working?
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IHello. I have just noticed that when I issue a M500 command, I receive an "ok" from the board. But Im not seeing any change in the config override file.
I noticed this because my probe Z offset is reverting to the original value every time I reboot the board.
Is there something I need to activate to make M500 work? -
what are you trying to save with M500?
there are not many items that are saved.Save current parameters to the sys/config-override.g on the SD card. (similar to other firmware's storing to EEPROM). Implemented in RepRapFirmware 1.17 and later. The parameters stored are:
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M307 auto tune results
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PID parameters, if you used M301 to override the auto tune PID settings
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Delta printer M665 and M666 settings
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Any M208 axis limits that were determined using a G1 S3 move
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If the P31 parameter is used, the G31 trigger height, trigger value and X and Y offsets for each possible Z probe type (in older firmware versions the G31 parameters are stored even if the P31 parameter is not present)
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If the P10 parameter is present, the G10 tool offsets
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Im trying to save the Z probe offset. I use G31 ZXXX to do small modification . I have just noticed that the vaues I used yesterday, were not saved suing the M500
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you need to use M500 P31 then