root@board:~# opkg install i2c-tools-dev
root@edison:~/CodeLabs/Chacmultun/jhd1313m1/i2clibrary# ls
Makefile main.c
root@edison:~/CodeLabs/Chacmultun/jhd1313m1/i2clibrary# make
gcc -O main.c -o main
root@edison:~/CodeLabs/Chacmultun/jhd1313m1/i2clibrary# ./main