2014年2月19日水曜日

Install wiringPi

INDEX
Set up Raspberry Pi Noobs
Install wiringPi
GPIO setting for Python.
(Python is the simplest sample code,.You don't need to check the number of GPIO. )
Web controller with PHP for MCU Gear
                                      

WiringPi is a GPIO access library written in C.



                                      

Step 1: Install
Type these command on your Pi's terminal.

$sudo apt-get install git-core

$sudo apt-get update
$sudo apt-get upgrade
$git clone git://git.drogon.net/wiringPi
$cd wiringPi
$git pull origin
$./build

test operation after build

$gpio -v
$gpio readall

You can see all IO setting like a picture.



Then reboot.
$sudo reboot

                                      
Step 2 : Download sample files, and compile.

$cd /home/pi/Desktop/
$wget http://www.mcugear.org/RPitest/MCUGearRPwp.tar
$tar xvf MCUGearRPwp.tar

Connect MCU Gear to Raspberry Pi and turn on.

You always need type these command for using I2C and SPI. 
$gpio load i2c 1000
$gpio load spi

Move directry.
$cd MCUGearRPwp

Compile it.

$g++ -Wall -o main main.c MCUGear.cpp MCUGearBase.cpp -lwiringPi
(MCU Gear sample program is C++ but main.c is C language.)

                                      

Step 3 : My favorite C & C++ editor is geany, It is very easy to use.
$sudo apt-get install geany

! Option function is little bit difficult. You need to change sample program. (bank parameters)

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