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title Examples on how to use on board LED using mraa library
permalink /documentation/consumer/guides/mraa/led/
redirect_from /documentation/ConsumerEdition/guides/mraa/led/

Examples on how to use on board LED using mraa library

Following examples are provided to use LED using MRAA library.

  1. mraa_led.c
  2. mraa_led.cpp
  3. mraa_led.py

Usage:

Prerequisite: Debian running on 96Boards CE with libmraa installed

  • Copy the examples to 96Boards CE
  • Build the C/C++ examples:
$ gcc mraa_led.c -o led_c
$ g++ mraa_led.cpp -o led_c++
  • Execute the examples:
$ sudo ./led_c
$ sudo ./led_c++
$ sudo python mraa_led.py

Expected Behaviour:

  1. Reads maximum brightness value for USER1 led and turns it ON/OFF depending on current state.
  2. Finally sets led trigger to heartbeat.