cpress usb 芯片Vender 处理固件。 The purpose of this software is to demonstrate how to implement vendor specific commands. The following vendor specific commands are implemented: A0 Firmware Upload/Download A2 EEProm Load A3 External Ram Load A4 Set I2C Addr A5 Get IIC Type (1 Byte or 2 Byte EEPROM) A6 Get Chip Rev A8 Renumerate