rtl-sdr.h 1.8 KB

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  1. /*
  2. * rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
  3. * Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
  4. *
  5. * This program is free software: you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation, either version 2 of the License, or
  8. *(at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef __RTL_SDR_H
  19. #define __RTL_SDR_H
  20. #ifdef __cplusplus
  21. extern "C" {
  22. #endif
  23. #include <stdint.h>
  24. typedef struct rtlsdr_dev rtlsdr_dev_t;
  25. uint32_t rtlsdr_get_device_count(void);
  26. const char *rtlsdr_get_device_name(uint32_t index);
  27. rtlsdr_dev_t *rtlsdr_open(uint32_t index);
  28. int rtlsdr_close(rtlsdr_dev_t *dev);
  29. /* configuration functions */
  30. int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq);
  31. int rtlsdr_get_center_freq(rtlsdr_dev_t *dev);
  32. int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm);
  33. int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
  34. int rtlsdr_set_tuner_gain(rtlsdr_dev_t *dev, int gain);
  35. int rtlsdr_get_tuner_gain(rtlsdr_dev_t *dev);
  36. /* this will select the baseband filters according to the requested sample rate */
  37. int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
  38. int rtlsdr_get_sample_rate(rtlsdr_dev_t *dev);
  39. /* streaming functions */
  40. int rtlsdr_reset_buffer(rtlsdr_dev_t *dev);
  41. int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, uint32_t len, uint32_t *n_read);
  42. #ifdef __cplusplus
  43. }
  44. #endif
  45. #endif /* __RTL_SDR_H */