NGW/NGW100 LEDs

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NGW100 is equipped with four LEDs:

  • Power, lit when power is stable and NGW100 operational.
  • System, lit when Linux is done loading.
  • A and B, user configurable.

The A and B LEDs available to the user can be controlled trough Linux' GPIO interface: /dev/gpioN (with N: 0,1,2..)

Example:

~ # echo "0x80000" >/dev/gpio1
~ #

Will turn on led A because we write a '1' to bit position 19 on second defined gpio function which is /config/gpio/leda and /config/gpio/leda/gpio_id is 0 (port A).

The gpio functions are configured in /etc/init.d/S99gpio

Static version created: 2007-03-07
Copyright (c) 2007 Atmel Corporation