mirror of
https://github.com/rtlsdrblog/rtl-sdr-blog.git
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75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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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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#include <rtl-sdr_export.h>
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typedef struct rtlsdr_dev rtlsdr_dev_t;
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RTLSDR_API uint32_t rtlsdr_get_device_count(void);
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RTLSDR_API const char* rtlsdr_get_device_name(uint32_t index);
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RTLSDR_API rtlsdr_dev_t* rtlsdr_open(uint32_t index);
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RTLSDR_API int rtlsdr_close(rtlsdr_dev_t *dev);
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/* configuration functions */
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RTLSDR_API int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq);
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RTLSDR_API int rtlsdr_get_center_freq(rtlsdr_dev_t *dev);
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RTLSDR_API int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm);
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RTLSDR_API int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
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RTLSDR_API int rtlsdr_set_tuner_gain(rtlsdr_dev_t *dev, int gain);
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RTLSDR_API 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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RTLSDR_API int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
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RTLSDR_API int rtlsdr_get_sample_rate(rtlsdr_dev_t *dev);
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/* streaming functions */
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RTLSDR_API int rtlsdr_reset_buffer(rtlsdr_dev_t *dev);
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RTLSDR_API int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, int len, int *n_read);
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typedef void(*rtlsdr_async_read_cb_t)(const char *buf, uint32_t len, void *context);
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RTLSDR_API int rtlsdr_wait_async(rtlsdr_dev_t *dev, rtlsdr_async_read_cb_t cb, void *context);
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RTLSDR_API int rtlsdr_cancel_async(rtlsdr_dev_t *dev);
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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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