M111 - Debug Level

hosts Report and optionally set the debug flags.

Description

Marlin has several debug bits that can be set, in combination, to help configure, troubleshoot, and debug the firmware. Add up the debug bits you need:

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 [S<flags>]

Parameters

[S<flags>]

Debug flag bits

Examples

Enable extra messages

M111 S38 ; LEVELING, ERRORS, INFO

Enable dry-run mode

M111 S8

Enable everything except dry-run mode

M111 S247 ; 255 - 8

Disable previously set extra debugging output

M111 S0