You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.9 KiB
74 lines
2.9 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2010.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2010 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 disclaim 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.
|
|
*/
|
|
|
|
/** \ingroup Group_USB
|
|
* @defgroup Group_StreamCallbacks Endpoint and Pipe Stream Callbacks
|
|
*
|
|
* Macros and enums for the stream callback routines. This module contains the code required to easily set up
|
|
* stream callback functions which can be used to force early abort of a stream read/write process. Each callback
|
|
* should take no arguments, and return a value from the \ref StreamCallback_Return_ErrorCodes_t enum.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef __STREAMCALLBACK_H__
|
|
#define __STREAMCALLBACK_H__
|
|
|
|
/* Preprocessor Checks: */
|
|
#if !defined(__INCLUDE_FROM_USB_DRIVER)
|
|
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
|
|
#endif
|
|
|
|
/* Public Interface - May be used in end-application: */
|
|
/* Macros: */
|
|
/** Used with the Endpoint and Pipe stream functions as the callback function parameter, indicating that the stream
|
|
* call has no callback function to be called between USB packets.
|
|
*/
|
|
#define NO_STREAM_CALLBACK NULL
|
|
|
|
/* Enums: */
|
|
/** Enum for the possible error return codes of a stream callback function */
|
|
enum StreamCallback_Return_ErrorCodes_t
|
|
{
|
|
STREAMCALLBACK_Continue = 0, /**< Continue sending or receiving the stream. */
|
|
STREAMCALLBACK_Abort = 1, /**< Abort the stream send or receiving process. */
|
|
};
|
|
|
|
/* Type Defines: */
|
|
/** Type define for a Stream Callback function (function taking no arguments and retuning a
|
|
* uint8_t value). Stream callback functions should have an identical function signature if they
|
|
* are to be used as the callback parameter of the stream functions.
|
|
*/
|
|
typedef uint8_t (* const StreamCallbackPtr_t)(void);
|
|
|
|
#endif
|
|
|
|
/** @} */
|