Add descriptor class, subclass and protocol constants to the class drivers, modify...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / Printer.h

diff --git a/LUFA/Drivers/USB/Class/Common/Printer.h b/LUFA/Drivers/USB/Class/Common/Printer.h
index 03ae12e..6619ced 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/Printer.h
+++ b/LUFA/Drivers/USB/Class/Common/Printer.h
@@ -76,19 +76,35 @@
                #define PRNT_PORTSTATUS_PAPEREMPTY  (1 << 5)
 
        /* Enums: */
+               /** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the Printer
+                *  device class.
+                */
+               enum PRNT_Descriptor_ClassSubclassProtocol_t
+               {
+                       PRNT_CSCP_PrinterClass          = 0x07, /**< Descriptor Class value indicating that the device or interface
+                                                                *   belongs to the Printer class.
+                                                                */
+                       PRNT_CSCP_PrinterSubclass       = 0x01, /**< Descriptor Subclass value indicating that the device or interface
+                                                                *   belongs to the Printer subclass.
+                                                                */
+                       PRNT_CSCP_BidirectionalProtocol = 0x02, /**< Descriptor Protocol value indicating that the device or interface
+                                                                *   belongs to the Bidirectional protocol of the Printer class.
+                                                                */
+               };
+       
                /** Enum for the Printer class specific control requests that can be issued by the USB bus host. */
                enum PRNT_ClassRequests_t
                {
-                       PRNT_REQ_GetDeviceID      = 0x00, /**< Printer class-specific request to retrieve the Unicode ID
-                                                          *   string of the device, containing the device's name, manufacturer
-                                                          *   and supported printer languages.
-                                                          */
-                       PRNT_REQ_GetPortStatus    = 0x01, /**< Printer class-specific request to get the current status of the
-                                                          *   virtual printer port, for device selection and ready states.
-                                                          */
-                       PRNT_REQ_SoftReset        = 0x02, /**< Printer class-specific request to reset the device, ready for new
-                                                          *   printer commands.
-                                                          */
+                       PRNT_REQ_GetDeviceID            = 0x00, /**< Printer class-specific request to retrieve the Unicode ID
+                                                                *   string of the device, containing the device's name, manufacturer
+                                                                *   and supported printer languages.
+                                                                */
+                       PRNT_REQ_GetPortStatus          = 0x01, /**< Printer class-specific request to get the current status of the
+                                                                *   virtual printer port, for device selection and ready states.
+                                                                */
+                       PRNT_REQ_SoftReset              = 0x02, /**< Printer class-specific request to reset the device, ready for new
+                                                                *   printer commands.
+                                                                */
                };              
 
        /* Disable C linkage for C++ Compilers: */