Complete this task as part of your GSoC 2018 application if you are applying for any QEMU related task.
This challenge is mandatory if you apply for T724.
Please choose at least one of the following tasks and make sure to adhere to the QEMU coding style.
Create a simple I2C device driver for a custom PWM LED controller of your design.
Make sure that the device gives some debug output when accessed.
Create a memory mapped interface for generating a checksum.
The resulting checksum should be present in the memory mapped range.