qkthings/qkperipheral — pull request #3 by zml (2014-11-15 00:14:08+00:00)
Title: Arduino I2C and SPI implementation

Basic implementation of the I2C and SPI communication protocols.
The I2C was successfully tested using a standard EEPROM as I2C slave.
The SPI remains untested but was implemented by the book (using the Atmega368 datasheet as reference).