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M575 - Serial baud rate

2.0.0 hosts Change the serial baud rate BAUD_RATE_GCODE

Description

Change the baud rate of one serial port or all serial ports. This command will interrupt serial communication to the host and may reset the firmware when the host reconnects at the new baud rate.

Notes

Only specified baud rates are allowed.

Shorthand baud rates (shown below in parentheses) were added in 2.0.6.1.

Usage

M575 B<baudrate> [P]

Parameters

B<baudrate>

The baud rate to set. Permitted values are:

  • 2400 (24)
  • 9600 (96)
  • 19200 (19, 192)
  • 38400 (38, 384)
  • 57600 (57, 576)
  • 115200 (115, 1152)
  • 250000 (250)
  • 500000 (500)
  • 1000000
[P]

Serial Port index. Omit for all serial ports.

Examples

Set the baud rate for port 0 to 115.2K

M575 P0 B115200 

Set the baud rate of all ports to 250K

M575 B250000