mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 12:38:11 +00:00
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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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, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "baseband_cpld.hpp"
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#include "hackrf_gpio.hpp"
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using namespace hackrf::one;
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namespace baseband {
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void CPLD::init() {
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set_decimation_by(1);
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gpios_baseband_decimation[0].output();
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gpios_baseband_decimation[1].output();
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gpios_baseband_decimation[2].output();
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set_q_invert(false);
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gpio_baseband_q_invert.output();
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}
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void CPLD::set_decimation_by(const uint8_t n) {
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const uint8_t skip_n = n - 1;
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const uint8_t value = skip_n ^ 7;
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gpios_baseband_decimation[0].write(value & 1);
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gpios_baseband_decimation[1].write(value & 2);
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gpios_baseband_decimation[2].write(value & 4);
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}
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void CPLD::set_q_invert(const bool invert) {
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gpio_baseband_q_invert.write(invert);
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}
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}
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