coninfo command

Synopsis

coninfo

Description

The coninfo command provides a list of available console input and output devices and their assignment as stdin, stdout, stderr console devices.

If CONFIG_SYS_CONSOLE_IS_IN_ENV=y, the assignment is controlled by the environment variables stdin, stdout, stderr which contain a comma separated list of device names.

Example

=> coninfo
List of available devices
|-- pl011@9000000 (IO)
|   |-- stdin
|   |-- stdout
|   |-- stderr
|-- serial (IO)
|-- usbkbd (I)
=> setenv stdin pl011@9000000,usbkbd
=> coninfo
List of available devices
|-- pl011@9000000 (IO)
|   |-- stdin
|   |-- stdout
|   |-- stderr
|-- serial (IO)
|-- usbkbd (I)
|   |-- stdin

Configuration

The coninfo command is only available if CONFIG_CMD_CONSOLE=y.

Return value

The return value $? is always 0 (true).