Lcd1602a
来自三线的随记
orangePi 点亮LCD 1602a笔记
code
http://www.voidcn.com/article/p-wzviwniz-bdm.html
参考1
https://blog.csdn.net/zscfa/article/details/77574144
参考2
https://blog.csdn.net/lvdepeng123/article/details/80095084
wiringPi lcd参考
http://wiringpi.com/dev-lib/lcd-library/
wiringPi core function参考
http://wiringpi.com/reference/core-functions/
坑：
记得RW
gcc -o 1602 lcd1602.c -l wiringPi -Wall -l pthread -l wiringPiDev
