a project in Keil for the lpc1768 micro controller for calculating speed of the quadrature encoder , and connect via usb in Hid , with bulk transfer, and using a timer for Adc , to taking some conversion in every 20 msec

KEIL开发stm32F103C程序，USB通讯+AES加密算法，用于专门的通讯协议，主机和从机通讯-KEIL development stm32F103C program, USB communication+AES encryption algorithm for a special communication protocol, the master and slave communications