/*
             LUFA Library
     Copyright (C) Dean Camera, 2021.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2021  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaims all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

/** \file
 *  \brief Endpoint data stream transmission and reception management.
 *  \copydetails Group_EndpointStreamRW
 *
 *  \note This file should not be included directly. It is automatically included as needed by the USB driver
 *        dispatch header located in LUFA/Drivers/USB/USB.h.
 */

/** \ingroup Group_EndpointRW
 *  \defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams
 *  \brief Endpoint data stream transmission and reception management.
 *
 *  Functions, macros, variables, enums and types related to data reading and writing of data streams from
 *  and to endpoints.
 *
 *  @{
 */

#ifndef __ENDPOINT_STREAM_H__
#define __ENDPOINT_STREAM_H__

	/* Includes: */
		#include "../../../Common/Common.h"
		#include "USBMode.h"

	/* Enable C linkage for C++ Compilers: */
		#if defined(__cplusplus)
			extern "C" {
		#endif

	/* Preprocessor Checks: */
		#if !defined(__INCLUDE_FROM_USB_DRIVER)
			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
		#endif

	/* Public Interface - May be used in end-application: */
		/* Enums: */
			/** Enum for the possible error return codes of the \c Endpoint_*_Stream_* functions. */
			enum Endpoint_Stream_RW_ErrorCodes_t
			{
				ENDPOINT_RWSTREAM_NoError            = 0, /**< Command completed successfully, no error. */
				ENDPOINT_RWSTREAM_EndpointStalled    = 1, /**< The endpoint was stalled during the stream
				                                           *   transfer by the host or device.
				                                           */
				ENDPOINT_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
				                                           *   the transfer.
				                                           */
				ENDPOINT_RWSTREAM_BusSuspended       = 3, /**< The USB bus has been suspended by the host and
				                                           *   no USB endpoint traffic can occur until the bus
				                                           *   has resumed.
				                                           */
				ENDPOINT_RWSTREAM_Timeout            = 4, /**< The host failed to accept or send the next packet
				                                           *   within the software timeout period set by the
				                                           *   \ref USB_STREAM_TIMEOUT_MS macro.
				                                           */
				ENDPOINT_RWSTREAM_IncompleteTransfer = 5, /**< Indicates that the endpoint bank became full or empty before
				                                           *   the complete contents of the current stream could be
				                                           *   transferred. The endpoint stream function should be called
				                                           *   again to process the next chunk of data in the transfer.
				                                           */
			};

			/** Enum for the possible error return codes of the \c Endpoint_*_Control_Stream_* functions. */
			enum Endpoint_ControlStream_RW_ErrorCodes_t
			{
				ENDPOINT_RWCSTREAM_NoError            = 0, /**< Command completed successfully, no error. */
				ENDPOINT_RWCSTREAM_HostAborted        = 1, /**< The aborted the transfer prematurely. */
				ENDPOINT_RWCSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
				                                            *   the transfer.
				                                            */
				ENDPOINT_RWCSTREAM_BusSuspended       = 3, /**< The USB bus has been suspended by the host and
				                                            *   no USB endpoint traffic can occur until the bus
				                                            *   has resumed.
				                                            */
			};

	/* Architecture Includes: */
		#if (ARCH == ARCH_AVR8)
			#include "AVR8/EndpointStream_AVR8.h"
		#elif (ARCH == ARCH_UC3)
			#include "UC3/EndpointStream_UC3.h"
		#elif (ARCH == ARCH_XMEGA)
			#include "XMEGA/EndpointStream_XMEGA.h"
		#endif

	/* Disable C linkage for C++ Compilers: */
		#if defined(__cplusplus)
			}
		#endif

#endif

/** @} */

