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sdrangel/sdrbase/dsp/devicesamplestatic.h
2020-11-10 20:32:57 +01:00

85 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 F4EXB //
// written by Edouard Griffiths //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <stdint.h>
#include "export.h"
class SDRBASE_API DeviceSampleStatic
{
public:
typedef enum {
FC_POS_INFRA = 0,
FC_POS_SUPRA,
FC_POS_CENTER
} fcPos_t;
typedef enum {
FSHIFT_STD = 0, // Standard Rx independent
FSHIFT_TXSYNC // Follows same scheme as Tx
} FrequencyShiftScheme;
static int64_t calculateSourceDeviceCenterFrequency(
uint64_t centerFrequency,
int64_t transverterDeltaFrequency,
int log2Decim,
fcPos_t fcPos,
uint32_t devSampleRate,
FrequencyShiftScheme frequencyShiftScheme,
bool transverterMode = false
);
static int64_t calculateSourceCenterFrequency(
uint64_t deviceCenterFrequency,
int64_t transverterDeltaFrequency,
int log2Decim,
fcPos_t fcPos,
uint32_t devSampleRate,
FrequencyShiftScheme frequencyShiftScheme,
bool transverterMode = false
);
static int calculateSourceFrequencyShift(
int log2Decim,
fcPos_t fcPos,
uint32_t devSampleRate,
FrequencyShiftScheme frequencyShiftScheme
);
static int64_t calculateSinkDeviceCenterFrequency(
uint64_t centerFrequency,
int64_t transverterDeltaFrequency,
int log2Interp,
fcPos_t fcPos,
uint32_t devSampleRate,
bool transverterMode = false);
static int64_t calculateSinkCenterFrequency(
uint64_t deviceCenterFrequency,
int64_t transverterDeltaFrequency,
int log2Interp,
fcPos_t fcPos,
uint32_t devSampleRate,
bool transverterMode = false);
static int calculateSinkFrequencyShift(
int log2Interp,
fcPos_t fcPos,
uint32_t devSampleRate);
};