mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2026-08-18 05:34:01 +00:00
gullradriel
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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; either version 2, 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __TUNING_H__
|
|
#define __TUNING_H__
|
|
|
|
#include "rf_path.hpp"
|
|
|
|
namespace tuning {
|
|
namespace config {
|
|
|
|
struct Config {
|
|
/* Empty config to denote an error, in lieu of throwing an exception. */
|
|
constexpr Config()
|
|
: first_lo_frequency(0),
|
|
second_lo_frequency(0),
|
|
rf_path_band(rf::path::Band::Mid),
|
|
mixer_invert(false),
|
|
quarter_shift(0) {
|
|
}
|
|
|
|
constexpr Config(
|
|
rf::Frequency first_lo_frequency,
|
|
rf::Frequency second_lo_frequency,
|
|
rf::path::Band rf_path_band,
|
|
bool mixer_invert,
|
|
uint8_t quarter_shift = 0)
|
|
: first_lo_frequency(first_lo_frequency),
|
|
second_lo_frequency(second_lo_frequency),
|
|
rf_path_band(rf_path_band),
|
|
mixer_invert(mixer_invert),
|
|
quarter_shift(quarter_shift) {
|
|
}
|
|
|
|
bool is_valid() const {
|
|
return (second_lo_frequency != 0);
|
|
}
|
|
|
|
const rf::Frequency first_lo_frequency;
|
|
const rf::Frequency second_lo_frequency;
|
|
const rf::path::Band rf_path_band;
|
|
const bool mixer_invert;
|
|
|
|
/* PRALINE only: FPGA RX quarter-rate shift mode, in the encoding the
|
|
* gateware expects in the top two bits of register 0x03 (rx_pstep):
|
|
* 0b00 = none, 0b11 = up, 0b01 = down.
|
|
* Matches fpga_quarter_shift_mode_t in hackrf/firmware/common/fpga.h.
|
|
* Always 0 on HackRF One (no FPGA). */
|
|
const uint8_t quarter_shift;
|
|
};
|
|
|
|
/* afe_rate is the ADC sample rate in Hz (output rate << decimation), needed on
|
|
* PRALINE to work out how far off centre the quarter-rate shift places the
|
|
* analogue passband. Pass 0 (or leave defaulted) to disable the shift.
|
|
* transmit selects the TX tuning table. Both are ignored on HackRF One. */
|
|
Config create(
|
|
const rf::Frequency target_frequency,
|
|
const uint32_t afe_rate = 0,
|
|
const bool transmit = false);
|
|
|
|
} /* namespace config */
|
|
} /* namespace tuning */
|
|
|
|
#endif /*__TUNING_H__*/
|