How do you get the pico-ice into RP2040 bootloader mode from MicroPython?

[frohro]

@joshua, I am trying to follow the instructions to get into regular RP2040 bootloader mode from MicroPython, I did this:
frohro@frohro-260-old:~/.local/share$ picocom --baud 1200 /dev/ttyACM0
picocom v3.1

port is : /dev/ttyACM0
flowcontrol : none
baudrate is : 1200
parity is : none
databits are : 8
stopbits are : 1
escape is : C-a
local echo is : no
noinit is : no
noreset is : no
hangup is : no
nolock is : no
send_cmd is : sz -vv
receive_cmd is : rz -vv -E
imap is :
omap is :
emap is : crcrlf,delbs,
logfile is : none
initstring : none
exit_after is : not set
exit is : no

Type [C-a] [C-h] to see available commands
Terminal ready
MicroPython v1.25.0 on 2025-04-20; tinyVision.ai pico-ice with RP2040
Type "help()" for more information.

I thought it would put me into bootloader mode, but I am in MicroPython still, the same as if I had left off the --baud 1200 argument.

Any tips?

Rob

[josuah]

Hello! The MicroPython UART does not have this extra feature, so you would need to use a MicorPython command for this:

import machine

machine.bootloader()

If you need to automate it, you can run this from the command line:

mpremote exec 'import machine; machine.bootloader()'