Cambridge Silicon Radio CSR project on Gain Normalization as shown in the picture attached. The pdf file of CSR manual of the CSR is also given here. To write in CSR assembly language the gain Normalization. I have a copy of the Gain Normalization in C language. You can use it to translate it to CSR language. I will give, email you the manual and the program when you are chosen.
You can look into here: the link for the tone_generator CSR file and the CSR manual here: https://www.scriptlance.com/cgi-bin/freelancers/buyers.cgi?manage_project=1236233912