GPIO driver
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Author:  vak [ Sat Feb 04, 2012 12:23 pm ]
Post subject:  GPIO driver

GPIO driver and portio utility are described on Wiki page:

The driver also supports one additional ioctl code GPIO_LOL, which displays a bit image 9x14 on a LoL shield, for a given number of milliseconds. A /bin/lol utility can be used for displaying an arbitrary text string on LoL shield, or showing some simple demos.

LoL shield is a simple fanny LED display matrix, which you can buy from a number of suppliers or make yourself. Some links:

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