Hi,
I am an Embedded System Developer with over 7 years of expereience in developing firmware for STM32 based Microcontrollers. I have an excellent experty on USB Communication and its different use cases like CDC,HID,MMC etc.. I have developed applications on this. I have developed application in which my stm32f4 board is used as a mouse. So please contact me to discuss further. I will assure you that if you work with me you will be having an excellent quality work and on time delivery.
Looking forward for a positive response.