kopia lustrzana https://github.com/OpenRTX/OpenRTX
66 wiersze
2.4 KiB
C
66 wiersze
2.4 KiB
C
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/***************************************************************************
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* Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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 3 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 RADIO_UTILS_H
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#define RADIO_UTILS_H
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#include <stdint.h>
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#include <datatypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static const freq_t BAND_VHF_LO = 136000000;
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static const freq_t BAND_VHF_HI = 174000000;
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static const freq_t BAND_UHF_LO = 400000000;
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static const freq_t BAND_UHF_HI = 470000000;
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/**
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* Enumeration type for bandwidth identification.
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*/
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enum Band
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{
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BND_NONE = -1,
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BND_VHF = 0,
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BND_UHF = 1
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};
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/**
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* \internal
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* Function to identify the current band (VHF or UHF), given an input frequency.
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*
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* @param freq frequency in Hz.
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* @return a value from @enum Band identifying the band to which the frequency
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* belong.
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*/
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inline Band getBandFromFrequency(const freq_t freq)
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{
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if((freq >= BAND_VHF_LO) && (freq <= BAND_VHF_HI)) return BND_VHF;
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if((freq >= BAND_UHF_LO) && (freq <= BAND_UHF_HI)) return BND_UHF;
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return BND_NONE;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* RADIO_UTILS_H */
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