portapack-mayhem/firmware/baseband/proc_siggen.hpp

57 lines
2.1 KiB
C++
Raw Normal View History

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* 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 __PROC_SIGGEN_H__
#define __PROC_SIGGEN_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "portapack_shared_memory.hpp"
class SigGenProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const msg) override;
private:
bool configured { false };
BasebandThread baseband_thread { 1536000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
uint32_t tone_delta { 0 }, fm_delta { },tone_phase { 0 };
uint8_t tone_shape { };
uint32_t sample_count { 0 };
bool auto_off { };
int32_t phase { 0 }, sphase { 0 }, delta { 0 }; // they may have sign in the pseudo random sample generation.
int8_t sample { 0 }, re { 0 }, im { 0 }; // they have sign + and -.
uint16_t seed_value_16 = {0xACE1}; // seed 16 bits lfsr : any nonzero start state will work.
uint16_t lfsr_16 { }, bit_16 { }; // bit must be 16-bit to allow bit<<15 later in the code */
uint8_t counter {0};
// uint8_t seed_value = {0x56}; // Finally not used lfsr of 8 bits , seed 8blfsr : any nonzero start state will work.
// uint8_t lfsr { }, bit { }; // Finally not used lfsr of 8 bits , bit must be 8-bit to allow bit<<7 later in the code */
TXProgressMessage txprogress_message { };
};
#endif