Debuging and Logging

Debug

M111 - Debug Level

There are several debug bits, to enable it is necessary add up the bits need it

Mask	Name	Description
1	ECHO	Echo all commands sent to the parser.
2	INFO	Print extra informational messages.
4	ERRORS	Print extra error messages.
8	DRYRUN	Don’t extrude, don’t save leveling data, etc.
16	COMMUNICATION	Not currently used.
32	LEVELING	Detailed messages for homing, probing, and leveling. (Requires DEBUG_LEVELING_FEATURE.)
64	Reserved	Reserved for future usage
128	Reserved	Reserved for future usage

Usage M111

M111 [S<flags>]

• [S<flags>] debug flag bits

Example:

Enable extra messages

M111 S38 ; LEVELING, ERRORS, INFO

Enable everything except dry-run mode

M111 S247 ; 255 - 8

Disable previously set extra debugging output.

M111 S0

source: M111

M280 - Servo Position

Set or get the position of a servo.

Using M280

M280 P<index> S<pos>

• P<index> Servo index to set or get

• S<pos> Servo position to set. Omit to read the current position.

source: M280

Logging

This are G-code to get the logs of the printer or the board.

M928 - Start SD Logging

Use this command to start logging all console and host input into the SD card

use M29 to stop logging

Usage M928

M928 filename

• filename File name of log file

Example: M928 log.txt

source: M928

M28 - Start SD Write

This Commands start a file write, the firmware will log all commands, this command wont be execute until M29 closes the file.

Required SDSUPPORT To write file while printing use M928

Usage M28

M28 filename

* filename File name of log file

Example: M28 file.txt

source: M28

M29 - Stop SD Write

Stop Writing to file begun with M28 or M928

Require SDSUPPORT

Usage M28

M29

source: M29