Common Class Definitions

Enumerations
enum	PRNT_ClassRequests_t {   PRNT_REQ_GetDeviceID = 0x00,   PRNT_REQ_GetPortStatus = 0x01,   PRNT_REQ_SoftReset = 0x02 }
enum	PRNT_Descriptor_ClassSubclassProtocol_t {   PRNT_CSCP_PrinterClass = 0x07,   PRNT_CSCP_PrinterSubclass = 0x01,   PRNT_CSCP_BidirectionalProtocol = 0x02 }

Virtual Printer Status Line Masks
#define	PRNT_PORTSTATUS_NOTERROR   (1 << 3)
#define	PRNT_PORTSTATUS_SELECT   (1 << 4)
#define	PRNT_PORTSTATUS_PAPEREMPTY   (1 << 5)

Detailed Description

Module Description

Constants, Types and Enum definitions that are common to both Device and Host modes for the USB Printer Class.

Macro Definition Documentation

PRNT_PORTSTATUS_NOTERROR

#define PRNT_PORTSTATUS_NOTERROR   (1 << 3)

Port status mask for a printer device, indicating that an error has *not* occurred.

PRNT_PORTSTATUS_PAPEREMPTY

#define PRNT_PORTSTATUS_PAPEREMPTY   (1 << 5)

Port status mask for a printer device, indicating that the device is currently out of paper.

PRNT_PORTSTATUS_SELECT

#define PRNT_PORTSTATUS_SELECT   (1 << 4)

Port status mask for a printer device, indicating that the device is currently selected.

Enumeration Type Documentation

PRNT_ClassRequests_t

enum PRNT_ClassRequests_t

Enum for the Printer class specific control requests that can be issued by the USB bus host.

Enumerator
PRNT_REQ_GetDeviceID	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	Printer class-specific request to get the current status of the virtual printer port, for device selection and ready states.
PRNT_REQ_SoftReset	Printer class-specific request to reset the device, ready for new printer commands.

PRNT_Descriptor_ClassSubclassProtocol_t

enum PRNT_Descriptor_ClassSubclassProtocol_t

Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the Printer device class.

Enumerator
PRNT_CSCP_PrinterClass	Descriptor Class value indicating that the device or interface belongs to the Printer class.
PRNT_CSCP_PrinterSubclass	Descriptor Subclass value indicating that the device or interface belongs to the Printer subclass.
PRNT_CSCP_BidirectionalProtocol	Descriptor Protocol value indicating that the device or interface belongs to the Bidirectional protocol of the Printer class.