mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2016 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_DTMFTX_H__
|
|
#define __PROC_DTMFTX_H__
|
|
|
|
#include "baseband_processor.hpp"
|
|
#include "baseband_thread.hpp"
|
|
|
|
#define DTMF_PHASEINC 436.91 // (65536*1024)/1536000*10
|
|
#define DTMF_C0 (uint32_t)(1209*DTMF_PHASEINC)
|
|
#define DTMF_C1 (uint32_t)(1336*DTMF_PHASEINC)
|
|
#define DTMF_C2 (uint32_t)(1477*DTMF_PHASEINC)
|
|
#define DTMF_C3 (uint32_t)(1633*DTMF_PHASEINC)
|
|
#define DTMF_R0 (uint32_t)(697*DTMF_PHASEINC)
|
|
#define DTMF_R1 (uint32_t)(770*DTMF_PHASEINC)
|
|
#define DTMF_R2 (uint32_t)(852*DTMF_PHASEINC)
|
|
#define DTMF_R3 (uint32_t)(941*DTMF_PHASEINC)
|
|
|
|
class DTMFTXProcessor : 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 };
|
|
|
|
// 0123456789ABCD#*
|
|
const uint32_t DTMF_LUT[16][2] = {
|
|
{ DTMF_C1, DTMF_R3 },
|
|
{ DTMF_C0, DTMF_R0 },
|
|
{ DTMF_C1, DTMF_R0 },
|
|
{ DTMF_C2, DTMF_R0 },
|
|
{ DTMF_C0, DTMF_R1 },
|
|
{ DTMF_C1, DTMF_R1 },
|
|
{ DTMF_C2, DTMF_R1 },
|
|
{ DTMF_C0, DTMF_R2 },
|
|
{ DTMF_C1, DTMF_R2 },
|
|
{ DTMF_C2, DTMF_R2 },
|
|
{ DTMF_C3, DTMF_R0 },
|
|
{ DTMF_C3, DTMF_R1 },
|
|
{ DTMF_C3, DTMF_R2 },
|
|
{ DTMF_C3, DTMF_R3 },
|
|
{ DTMF_C2, DTMF_R3 },
|
|
{ DTMF_C0, DTMF_R3 }
|
|
};
|
|
|
|
uint32_t tone_length, pause_length;
|
|
uint32_t as, bw;
|
|
uint8_t tone_idx = 0, tone_code = 0;
|
|
|
|
uint32_t timer = 0;
|
|
|
|
bool tone = false; // Tone / pause
|
|
|
|
int8_t re, im;
|
|
int8_t sample;
|
|
|
|
//int16_t audio_data[64];
|
|
/*const buffer_s16_t preview_audio_buffer {
|
|
audio_data,
|
|
sizeof(int16_t)*64
|
|
};*/
|
|
|
|
TXDoneMessage txdone_message;
|
|
|
|
uint32_t tone_a_phase, tone_b_phase, phase, sphase;
|
|
int32_t frq;
|
|
};
|
|
|
|
#endif
|