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77 lines
2.1 KiB
77 lines
2.1 KiB
/*
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* rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
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* Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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*(at your option) any later version.
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*
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* This program 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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __RTL_SDR_H
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#define __RTL_SDR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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typedef int rtlsdr_dev_t;
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/* must be called once before using any other library functions */
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int rtlsdr_init(void);
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/* must be called once at application shutdown */
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void rtlsdr_exit(void);
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uint32_t rtlsdr_get_device_count(void);
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const char *rtlsdr_get_device_name(uint32_t index);
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rtlsdr_dev_t *rtlsdr_open(uint32_t index);
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int rtlsdr_close(rtlsdr_dev_t *dev);
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/* configuration functions */
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int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq);
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int rtlsdr_get_center_freq(rtlsdr_dev_t *dev);
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int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm);
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int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
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int rtlsdr_set_tuner_gain(rtlsdr_dev_t *dev, int gain);
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int rtlsdr_get_tuner_gain(rtlsdr_dev_t *dev);
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/* this will select the baseband filters according to the requested sample rate */
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int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
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int rtlsdr_get_sample_rate(rtlsdr_dev_t *dev);
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/* streaming functions */
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int rtlsdr_reset_buffer(rtlsdr_dev_t *dev);
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int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, uint32_t len, uint32_t *n_read);
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typedef void(*rtlsdr_async_read_cb_t)(const char *buf, uint32_t len, void *ctx);
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int rtlsdr_async_loop(rtlsdr_dev_t *dev, rtlsdr_async_read_cb_t cb, void *ctx);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RTL_SDR_H */
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