Dilshan has published a new build:
The I2C master mode emulator allows communication with I2C devices by sending or receiving data to/from the I2C bus. To issue the I2C commands, the emulator should connect to a PC over the USB port. After initializing the emulator, the PC and directly control the I2C slave chip/module.
This emulator is based on ATmega16A MCU. The USB communication channel is develop using the V-USB firmware.
More details on Jayakody’s blog. Project files available on GitHub.