ATmega328 + OLED 0.96" I2C 128X64 Display Module

Refs:
https://code.google.com/p/u8glib/ https://github.com/olikraus/u8glib/wiki/avr
https://bintray.com/olikraus/u8glib/AVR

compiler flags:

• -ffunction-sections
• -fdata-sections

linker flags:

 -Wl,--gc-sections

Driver IC: SSD1306
SSD1306_I2C_ADDRESS   0x3C