Jonathan Reams jbreams
itrobotics
/ chr_led.c
Created
May 13, 2015 08:22
a simple linux driver example code which is a char dev to control GPIO-LED on Raspberry Pi
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| // Simple Character Device Driver Module for Raspberry Pi. | |
| /* | |
| * DESCRIPTION: | |
| * a simple example of char device | |
| * this char device can control the GPIO by file operation : write | |
| * to write specific message as command | |
| * */ | |
| #include <linux/module.h> | |
| #include <linux/string.h> |