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introduce getters for tuner parameters (gain, type)

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This commit is contained in:
Dimitri Stolnikov
2012-06-02 01:11:47 +02:00
parent d5bfa3867f
commit 7bd3933c41
3 changed files with 115 additions and 29 deletions
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30
include/rtl-sdr.h
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@ -113,6 +113,34 @@ RTLSDR_API int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm);
RTLSDR_API int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
enum rtlsdr_tuner {
RTLSDR_TUNER_UNKNOWN = 0,
RTLSDR_TUNER_E4000,
RTLSDR_TUNER_FC0012,
RTLSDR_TUNER_FC0013,
RTLSDR_TUNER_FC2580
};
/*!
* Get the tuner type.
*
* \param dev the device handle given by rtlsdr_open()
* \return <= 0 on error, tuner type otherwise
*/
RTLSDR_API enum rtlsdr_tuner rtlsdr_get_tuner_type(rtlsdr_dev_t *dev);
/*!
* Get a list of gains supported by the tuner.
*
* NOTE: The gains argument must be preallocated by the caller. If NULL is
* being given instead, the number of available gain values will be returned.
*
* \param dev the device handle given by rtlsdr_open()
* \param gains array of gain values. In tenths of a dB, 115 means 11.5 dB.
* \return <= 0 on error, number of available (returned) gain values otherwise
*/
RTLSDR_API int rtlsdr_get_tuner_gains(rtlsdr_dev_t *dev, int *gains);
/*!
* Set the gain for the device.
* Manual gain mode must be enabled for this to work.
@ -121,6 +149,8 @@ RTLSDR_API int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
* -10, 15, 40, 65, 90, 115, 140, 165, 190,
* 215, 240, 290, 340, 420, 430, 450, 470, 490
*
* Valid gain values may be queried with \ref rtlsdr_get_tuner_gains function.
*
* \param dev the device handle given by rtlsdr_open()
* \param gain in tenths of a dB, 115 means 11.5 dB.
* \return 0 on success