Code:

#define HID_ReportCountS(x)     0x96,(x&0xFF),((x>>8)&0xFF)

Code:

static uchar buffer[64];
 
usbMsgLen_t usbFunctionSetup(uchar setupData[8])
{
    usbRequest_t *rq = (void *)setupData;   // cast to structured data for parsing
    switch(rq->bRequest){
    case VENDOR_RQ_READ_BUFFER:
        usbMsgLen_t len = 64;                     // we return up to 64 bytes
        if(len > rq->wLength.word)          // if the host requests less than we have
            len = rq->wLength.word;         // return only the amount requested
        usbMsgPtr = buffer;                 // tell driver where the buffer starts
        return len;                         // tell driver how many bytes to send
    }
    return 0;                               // ignore all unknown requests
}