Description: the usb port which has a communications module to use, Users only need to use the following function, it can usb port for convenient reading and writing : unsigned char D12_WriteEndpoint (unsigned ch ar endp, unsigned char len. unsigned char* buf) usb endpoint of this output function, endp to the endpoint of communication, value for the three (general endpoint. a maximum transmission 16 byte), or 5 (the main endpoint, a maximum transmission 64byte); len output data for a length;* buf for data location. Usb endpoint data read operation from the bottom of the complete automatic function (correlation function for unsigned char D12_ReadEndpoint (unsigned char endp. unsigned char len, unsigned char* buf); corresponding endpoint of 2 and 4), which read data stored in GenEpBuf [] (General e
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