* of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()\r
* macro rather than by the size of the descriptor structure, as the length is not fixed.\r
*\r
* of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()\r
* macro rather than by the size of the descriptor structure, as the length is not fixed.\r
*\r