poll.h

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/*
 * Copyright (c) 2011 Vojtech Horky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LIBUSBDEV_POLL_H_
#define LIBUSBDEV_POLL_H_

#include <usb/dev/driver.h>
#include <time.h>

typedef struct {
        int debug;
        size_t max_failures;
        int delay;
        bool auto_clear_halt;
        bool (*on_data)(usb_device_t *dev, uint8_t *data, size_t data_size,
            void *arg);
        void (*on_polling_end)(usb_device_t *dev, bool due_to_errors,
            void *arg);
        bool (*on_error)(usb_device_t *dev, int err_code, void *arg);
} usb_device_auto_polling_t;

int usb_device_auto_polling(usb_device_t *, size_t, usb_device_auto_polling_t *,
    size_t, void *);

typedef bool (*usb_polling_callback_t)(usb_device_t *,
    uint8_t *, size_t, void *);
typedef void (*usb_polling_terminted_callback_t)(usb_device_t *, bool, void *);

int usb_device_auto_poll(usb_device_t *, size_t,
    usb_polling_callback_t, size_t, usb_polling_terminted_callback_t, void *);

#endif

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