75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/* ****************************************************************************
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* stream/builtin/libusb/libusb.h -- libusb stream internals.
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* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libcasio.
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* libcasio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libcasio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************* */
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#ifndef LOCAL_STREAM_BUILTIN_LIBUSB_H
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# include "../builtin.h"
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# ifndef LIBCASIO_DISABLED_LIBUSB
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# include <libusb.h>
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/* These `ENDPOINT_IN` and `ENDPOINT_OUT` are taken from the definitions
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* made by Nessotrin in UsbConnector. I can't really explain them, and
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* knowing the type of person he is, I'm pretty sure he got these through
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* test-driven development. */
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# define ENDPOINT_IN (LIBUSB_ENDPOINT_IN | LIBUSB_TRANSFER_TYPE_BULK)
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# define ENDPOINT_OUT (LIBUSB_ENDPOINT_OUT | LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
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/* Cookie definition used in the callbacks. */
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# define BUFSIZE 2048
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typedef struct {
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libusb_context *_context;
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libusb_device_handle *_handle;
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/* Timeouts. */
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unsigned int tmread, tmwrite;
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/* Buffer control. */
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ssize_t _start, _end;
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unsigned char _buffer[BUFSIZE];
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} cookie_libusb_t;
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/* General callbacks. */
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CASIO_EXTERN int CASIO_EXPORT casio_libusb_close
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OF((cookie_libusb_t *casio__cookie));
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CASIO_EXTERN int CASIO_EXPORT casio_libusb_settm
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OF((cookie_libusb_t *casio__cookie,
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const casio_timeouts_t *casio__timeouts));
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/* Character device callbacks. */
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CASIO_EXTERN int CASIO_EXPORT casio_libusb_read
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OF((cookie_libusb_t *casio__cookie,
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unsigned char *casio__dest, size_t casio__size));
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CASIO_EXTERN int CASIO_EXPORT casio_libusb_write
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OF((cookie_libusb_t *casio__cookie,
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const unsigned char *casio__data, size_t casio__size));
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/* SCSI callbacks. */
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CASIO_EXTERN int CASIO_EXPORT casio_libusb_scsi_request
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OF((cookie_libusb_t *casio__cookie, casio_scsi_t *casio__request));
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# endif
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#endif /* LOCAL_STREAM_BUILTIN_LIBUSB_H */
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