forked from mirrors/qmk_userspace
Merge commit '60b30c0363' as 'lib/lufa'
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Jack Humbert
commit
8655d4f494
1455 changed files with 394541 additions and 0 deletions
285
lib/lufa/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h
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285
lib/lufa/LUFA/Drivers/USB/Class/Host/PrinterClassHost.h
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief Host mode driver for the library USB Printer Class driver.
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*
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* Host mode driver for the library USB Printer Class driver.
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB module driver
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* dispatch header located in LUFA/Drivers/USB.h.
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*/
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/** \ingroup Group_USBClassPrinter
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* \defgroup Group_USBClassPrinterHost Printer Class Host Mode Driver
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*
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* \section Sec_USBClassPrinterHost_Dependencies Module Source Dependencies
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* The following files must be built with any user project that uses this module:
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* - LUFA/Drivers/USB/Class/Host/PrinterClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
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*
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* \section Sec_USBClassPrinterHost_ModDescription Module Description
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* Host Mode USB Class driver framework interface, for the Printer USB Class driver.
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*
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* @{
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*/
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#ifndef __PRINTER_CLASS_HOST_H__
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#define __PRINTER_CLASS_HOST_H__
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/* Includes: */
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#include "../../USB.h"
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#include "../Common/PrinterClassCommon.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_PRINTER_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Type Defines: */
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/** \brief Printer Class Host Mode Configuration and State Structure.
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*
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* Class state structure. An instance of this structure should be made within the user application,
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* and passed to each of the Printer class driver functions as the \c PRNTInterfaceInfo parameter. This
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* stores each Printer interface's configuration and state information.
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*/
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typedef struct
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{
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struct
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{
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USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
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USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
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} Config; /**< Config data for the USB class interface within the device. All elements in this section
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* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
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*/
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struct
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{
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bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
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* after \ref PRNT_Host_ConfigurePipes() is called and the Host state machine is in the
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* Configured state.
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*/
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uint8_t InterfaceNumber; /**< Interface index of the Printer interface within the attached device. */
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uint8_t AlternateSetting; /**< Alternate setting within the Printer Interface in the attached device. */
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} State; /**< State data for the USB class interface within the device. All elements in this section
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* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
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* the interface is enumerated.
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*/
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} USB_ClassInfo_PRNT_Host_t;
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/* Enums: */
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/** Enum for the possible error codes returned by the \ref PRNT_Host_ConfigurePipes() function. */
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enum PRNT_Host_EnumerationFailure_ErrorCodes_t
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{
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PRNT_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
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PRNT_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
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PRNT_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Printer interface was not found in the device's Configuration Descriptor. */
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PRNT_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
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};
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/* Function Prototypes: */
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/** Host interface configuration routine, to configure a given Printer host interface instance using the
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* Configuration Descriptor read from an attached USB device. This function automatically updates the given Printer
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* instance's state values and configures the pipes required to communicate with the interface if it is found within
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* the device. This should be called once after the stack has enumerated the attached device, while the host state
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* machine is in the Addressed state.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
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* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
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*
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* \return A value from the \ref PRNT_Host_EnumerationFailure_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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uint16_t ConfigDescriptorSize,
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void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
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/** General management task for a given Printer host class interface, required for the correct operation of
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* the interface. This should be called frequently in the main program loop, before the master USB management task
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* \ref USB_USBTask().
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*/
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void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Configures the printer to enable Bidirectional mode, if it is not already in this mode. This should be called
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* once the connected device's configuration has been set, to ensure the printer is ready to accept commands.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*
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* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Retrieves the status of the virtual Printer port's inbound status lines. The result can then be masked against the
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* \c PRNT_PORTSTATUS_* macros to determine the printer port's status.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[out] PortStatus Location where the retrieved port status should be stored.
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*
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* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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uint8_t* const PortStatus)
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ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
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/** Soft-resets the attached printer, readying it for new commands.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*
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* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*
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* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Sends the given null terminated string to the attached printer's input endpoint.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[in] String Pointer to a null terminated string to send.
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*
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* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
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/** Sends the given raw data stream to the attached printer's input endpoint. This should contain commands that the
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* printer is able to understand - for example, PCL data. Not all printers accept all printer languages; see
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* \ref PRNT_Host_GetDeviceID() for details on determining acceptable languages for an attached printer.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[in] Buffer Pointer to a buffer containing the raw command stream to send to the printer.
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* \param[in] Length Size in bytes of the command stream to be sent.
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*
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* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const void* Buffer,
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const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
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/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
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* byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
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* \ref PRNT_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
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* packed into a single pipe packet, increasing data throughput.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[in] Data Byte of data to send to the device.
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*
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* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
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/** Determines the number of bytes received by the printer interface from the device, waiting to be read. This indicates the number
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* of bytes in the IN pipe bank only, and thus the number of calls to \ref PRNT_Host_ReceiveByte() which are guaranteed to succeed
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* immediately. If multiple bytes are to be received, they should be buffered by the user application, as the pipe bank will not be
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* released back to the USB controller until all bytes are read.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*
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* \return Total number of buffered bytes received from the device.
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*/
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uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
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* returns a negative value. The \ref PRNT_Host_BytesReceived() function may be queried in advance to determine how many bytes
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* are currently buffered in the Printer interface's data receive pipe.
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*
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* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
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* call will fail.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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*
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* \return Next received byte from the device, or a negative value if no data received.
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*/
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int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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/** Retrieves the attached printer device's ID string, formatted according to IEEE 1284. This string is sent as a
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* Unicode string from the device and is automatically converted to an ASCII encoded C string by this function, thus
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* the maximum reportable string length is two less than the size given (to accommodate the Unicode string length
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* bytes which are removed).
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*
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* This string, when supported, contains the model, manufacturer and acceptable printer languages for the attached device.
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*
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* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
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* \param[out] DeviceIDString Pointer to a buffer where the Device ID string should be stored, in ASCII format.
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* \param[in] BufferSize Size in bytes of the buffer allocated for the Device ID string.
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*
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* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
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*/
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uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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char* const DeviceIDString,
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const uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Function Prototypes: */
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#if defined(__INCLUDE_FROM_PRINTER_HOST_C)
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static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* const CurrentDescriptor)
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ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
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static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* const CurrentDescriptor)
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ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
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#endif
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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