@ -59,7 +59,7 @@ USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
. ManufacturerStrIndex = 0x01 ,
. ProductStrIndex = 0x02 ,
. SerialNumStrIndex = 0x03 ,
. SerialNumStrIndex = USE_INTERNAL_SERIAL ,
. NumberOfConfigurations = 1
} ;
@ -156,20 +156,6 @@ USB_Descriptor_String_t PROGMEM ProductString =
. UnicodeString = L " LUFA Mass Storage Demo "
} ;
/** Serial number descriptor string. This is a Unicode string containing a string of HEX characters at least 12
* digits in length to uniquely identify a device when concatenated with the device ' s Vendor and Product IDs . By
* using the unique serial number string to identify a device , the device drivers do not need to be reinstalled
* each time the device is inserted into a different USB port on the same system . < b > This should be unique between
* devices , or conflicts will occur if two devices sharing the same serial number are inserted into the same system
* at the same time . < / b >
*/
USB_Descriptor_String_t PROGMEM SerialNumberString =
{
. Header = { . Size = USB_STRING_LEN ( 12 ) , . Type = DTYPE_String } ,
. UnicodeString = L " 000000000000 "
} ;
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
* documentation ) by the application code so that the address and size of a requested descriptor can be given
* to the USB library . When the device receives a Get Descriptor request on the control endpoint , this function
@ -209,10 +195,6 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex,
Address = ( void * ) & ProductString ;
Size = pgm_read_byte ( & ProductString . Header . Size ) ;
break ;
case 0x03 :
Address = ( void * ) & SerialNumberString ;
Size = pgm_read_byte ( & SerialNumberString . Header . Size ) ;
break ;
}
break ;
Dean Camera
15 years ago