Objective Development Forums

Code: Select all

 usbMsgLen_t usbFunctionSetup(uchar setupData[8])
{
    usbRequest_t *rq = (void *)setupData;   // cast to structured data for parsing
    switch(rq->bRequest){
    case 1:
        setLEDStatus(rq->wValue.bytes[0]);  // evaluate low byte only
        return 0;                           // no data block sent or received
    }
    return 0;                               // ignore all unknown requests
}

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 typedef struct usbRequest{
    uchar       bmRequestType;
    uchar       bRequest;
    usbWord_t   wValue;
    usbWord_t   wIndex;
    usbWord_t   wLength;
}usbRequest_t;

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switch(rq->bRequest)

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Samantha-Darkos-Mac-Pro:commandline SamanthaDarko$ gcc set-led.c
Undefined symbols:
  "_usb_close", referenced from:
      _main in ccdDCuMX.o
  "_usbOpenDevice", referenced from:
      _main in ccdDCuMX.o
  "_usb_init", referenced from:
      _main in ccdDCuMX.o
  "_usb_control_msg", referenced from:
      _main in ccdDCuMX.o
      _main in ccdDCuMX.o
  "_usb_strerror", referenced from:
      _main in ccdDCuMX.o
      _main in ccdDCuMX.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
Samantha-Darkos-Mac-Pro:commandline SamanthaDarko$