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perseus-in.h
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perseus-in.h
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// ------------------------------------------------------------------------------
// Define the usb input data transfers queue
//
// Copyright (c) 2010 Nicolangelo Palermo / IV3NWV
// This file is part of the Perseus SDR Library
//
// The Perseus SDR Library is free software; you can redistribute
// it and/or modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either version
// 2.1 of the License, or (at your option) any later version.
// The Perseus SDR Library is distributed in the hope that it will
// be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with the Perseus SDR Library;
// if not, see <http://www.gnu.org/licenses/>.
// Creation date: 10 Jan 2010
// Version: 0.1
// Author: Nicolangelo Palermo / IV3NWV
// (nicopal at microtelecom dot it)
// ------------------------------------------------------------------------------
#ifndef _perseusin_h
#define _perseusin_h
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "perseuserr.h"
#include <libusb-1.0/libusb.h>
#include <time.h>
typedef int (*perseus_input_callback)(void *buf, int buf_size, void *extra);
typedef struct perseus_input_queue_ds *perseus_input_queue_ptr;
typedef struct {
int idx;
perseus_input_queue_ptr queue;
struct libusb_transfer *transfer;
int cancelled;
} perseus_input_transfer;
typedef struct perseus_input_queue_ds {
int size;
perseus_input_transfer *transfer_queue;
volatile int cancelling;
char *buf;
int transfer_buf_size;
int timeout;
perseus_input_callback callback_fn;
void *callback_extra;
int idx_expected;
volatile int completed;
struct timeval start;
struct timeval stop;
unsigned long int bytes_received;
} perseus_input_queue;
#ifdef __cplusplus
extern "C" {
#endif
int perseus_input_queue_create(
perseus_input_queue *queue,
int queue_size,
libusb_device_handle *handle,
int transfer_buf_size,
perseus_input_callback callback_fn,
void *callback_extra);
int perseus_input_queue_cancel(perseus_input_queue *queue);
int perseus_input_queue_free(perseus_input_queue *queue);
int perseus_input_queue_check_completion(perseus_input_queue *queue);
int perseus_input_queue_completed(perseus_input_queue *queue);
#ifdef __cplusplus
}
#endif
#if defined _WIN32
#define sleep(x) Sleep((x)*1000)
#endif
#endif // _perseus_in