Difference between revisions of "EBC Exercise 10 Flashing an LED"
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The[http://en.wikipedia.org/wiki/Hello_world_program "Hello World" ] program is the traditional first program for many classes. Flashing an LED is the embedded equivalent. Here we will explore a few ways to flash and LED on the Beagle and explore General Purpose I/O (gpio) along the way. | The[http://en.wikipedia.org/wiki/Hello_world_program "Hello World" ] program is the traditional first program for many classes. Flashing an LED is the embedded equivalent. Here we will explore a few ways to flash and LED on the Beagle and explore General Purpose I/O (gpio) along the way. |
Revision as of 10:23, 20 July 2011
The"Hello World" program is the traditional first program for many classes. Flashing an LED is the embedded equivalent. Here we will explore a few ways to flash and LED on the Beagle and explore General Purpose I/O (gpio) along the way.
Resources
- Here is wh1ts article on flashing an LED. It is referenced in the readgpio file that comes on the Beagle.
- This Make magazine article has a few more details.
- Here in a gpio reference for Linux in general. It includes sample 'C' code for flashing at 1 Hz.
- Here is a posting in the Beagle Google group about gpio.
- Here is some information about gpio from the kernel point of view.