143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/*
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* Copyright (C) 2014 by Kyle Keen <keenerd@gmail.com>
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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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/* a collection of user friendly tools */
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/*!
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* Convert standard suffixes (k, M, G) to double
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*
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* \param s a string to be parsed
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* \return double
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*/
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double atofs(char *s);
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/*!
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* Convert time suffixes (s, m, h) to double
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*
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* \param s a string to be parsed
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* \return seconds as double
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*/
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double atoft(char *s);
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/*!
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* Convert percent suffixe (%) to double
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*
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* \param s a string to be parsed
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* \return double
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*/
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double atofp(char *s);
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/*!
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* Find nearest supported gain
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param target_gain in tenths of a dB
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* \return 0 on success
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*/
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int nearest_gain(rtlsdr_dev_t *dev, int target_gain);
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/*!
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* Set device frequency and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param frequency in Hz
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* \return 0 on success
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*/
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int verbose_set_frequency(rtlsdr_dev_t *dev, uint32_t frequency);
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/*!
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* Set device sample rate and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param samp_rate in samples/second
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* \return 0 on success
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*/
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int verbose_set_sample_rate(rtlsdr_dev_t *dev, uint32_t samp_rate);
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/*!
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* Enable or disable the direct sampling mode and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param on 0 means disabled, 1 I-ADC input enabled, 2 Q-ADC input enabled
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* \return 0 on success
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*/
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int verbose_direct_sampling(rtlsdr_dev_t *dev, int on);
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/*!
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* Enable offset tuning and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \return 0 on success
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*/
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int verbose_offset_tuning(rtlsdr_dev_t *dev);
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/*!
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* Enable auto gain and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \return 0 on success
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*/
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int verbose_auto_gain(rtlsdr_dev_t *dev);
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/*!
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* Set tuner gain and report status on stderr
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param gain in tenths of a dB
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* \return 0 on success
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*/
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int verbose_gain_set(rtlsdr_dev_t *dev, int gain);
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/*!
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* Set the frequency correction value for the device and report status on stderr.
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*
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* \param dev the device handle given by rtlsdr_open()
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* \param ppm_error correction value in parts per million (ppm)
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* \return 0 on success
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*/
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int verbose_ppm_set(rtlsdr_dev_t *dev, int ppm_error);
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/*!
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* Reset buffer
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*
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* \param dev the device handle given by rtlsdr_open()
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* \return 0 on success
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*/
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int verbose_reset_buffer(rtlsdr_dev_t *dev);
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/*!
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* Find the closest matching device.
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*
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* \param s a string to be parsed
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* \return dev_index int, -1 on error
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*/
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int verbose_device_search(char *s);
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