316 lines
9.7 KiB
C++
316 lines
9.7 KiB
C++
/*
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* Authors (alphabetical order)
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* - Andre Bernet <bernet.andre@gmail.com>
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* - Andreas Weitl
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* - Bertrand Songis <bsongis@gmail.com>
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* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
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* - Cameron Weeks <th9xer@gmail.com>
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* - Erez Raviv
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* - Gabriel Birkus
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* - Jean-Pierre Parisy
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* - Karl Szmutny
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* - Michael Blandford
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* - Michal Hlavinka
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* - Pat Mackenzie
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* - Philip Moss
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* - Rob Thomson
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* - Romolo Manfredini <romolo.manfredini@gmail.com>
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* - Thomas Husterer
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*
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* opentx is based on code named
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* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
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* er9x by Erez Raviv: http://code.google.com/p/er9x/,
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* and the original (and ongoing) project by
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* Thomas Husterer, th9x: http://code.google.com/p/th9x/
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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 version 2 as
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* published by the Free Software Foundation.
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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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*/
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#ifndef audio_h
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#define audio_h
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#include "FatFs/ff.h"
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#define AUDIO_FILENAME_MAXLEN (40)
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#define AUDIO_QUEUE_LENGTH (20)
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#define AUDIO_SAMPLE_RATE (32000)
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#define AUDIO_BUFFER_DURATION (10)
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#define AUDIO_BUFFER_SIZE (AUDIO_SAMPLE_RATE*AUDIO_BUFFER_DURATION/1000)
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#define AUDIO_BUFFER_COUNT (3)
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#define BEEP_MIN_FREQ (440)
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#define BEEP_DEFAULT_FREQ (2250)
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#define BEEP_KEY_UP_FREQ (BEEP_DEFAULT_FREQ+150)
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#define BEEP_KEY_DOWN_FREQ (BEEP_DEFAULT_FREQ-150)
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#define AUDIO_BUFFER_FREE (0)
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#define AUDIO_BUFFER_FILLED (1)
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#define AUDIO_BUFFER_PLAYING (2)
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struct AudioBuffer {
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uint16_t data[AUDIO_BUFFER_SIZE];
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uint16_t size;
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uint8_t state;
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};
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#define FRAGMENT_EMPTY 0
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#define FRAGMENT_TONE 1
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#define FRAGMENT_FILE 2
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struct AudioFragment {
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uint8_t type;
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uint8_t id;
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uint8_t repeat;
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union {
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struct {
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uint16_t freq;
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uint16_t duration;
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uint16_t pause;
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int8_t freqIncr;
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} tone;
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char file[AUDIO_FILENAME_MAXLEN+1];
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};
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void clear()
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{
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memset(this, 0, sizeof(AudioFragment));
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}
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};
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class AudioContext {
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public:
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AudioFragment fragment;
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union {
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#if defined(SDCARD)
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struct {
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FIL file;
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uint8_t codec;
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uint32_t freq;
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uint32_t size;
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uint8_t resampleRatio;
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uint16_t readSize;
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} wav;
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#endif
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struct {
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uint16_t points[100];
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uint8_t count;
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uint8_t idx;
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uint16_t freq;
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} tone;
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} state;
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inline void clear()
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{
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fragment.clear();
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}
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};
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bool dacQueue(AudioBuffer *buffer);
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class AudioQueue {
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friend void audioTask(void* pdata);
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public:
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AudioQueue();
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void start();
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void play(uint16_t freq, uint16_t len, uint16_t pause=0, uint8_t flags=0, int8_t freqIncr=0);
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void playFile(const char *filename, uint8_t flags=0, uint8_t id=0);
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void stopPlay(uint8_t id);
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void pause(uint16_t tLen);
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void stopSD();
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bool isPlaying(uint8_t id);
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bool started()
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{
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return state;
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}
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bool empty()
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{
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return ridx == widx;
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}
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void reset();
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inline AudioBuffer * getNextFilledBuffer()
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{
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if (buffers[bufferRIdx].state == AUDIO_BUFFER_PLAYING) {
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buffers[bufferRIdx].state = AUDIO_BUFFER_FREE;
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bufferRIdx = nextBufferIdx(bufferRIdx);
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}
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uint8_t idx = bufferRIdx;
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while (idx != bufferWIdx) {
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AudioBuffer * buffer = &buffers[idx];
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if (buffer->state == AUDIO_BUFFER_FILLED) {
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buffer->state = AUDIO_BUFFER_PLAYING;
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return buffer;
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}
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idx = nextBufferIdx(idx);
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}
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return NULL;
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}
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protected:
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void wakeup();
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int mixAudioContext(AudioContext &context, AudioBuffer *buffer, int beepVolume, int wavVolume, unsigned int fade);
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int mixBeep(AudioContext &context, AudioBuffer *buffer, int volume, unsigned int fade);
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int mixWav(AudioContext &context, AudioBuffer *buffer, int volume, unsigned int fade);
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volatile bool state;
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uint8_t ridx;
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uint8_t widx;
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AudioFragment fragments[AUDIO_QUEUE_LENGTH];
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AudioContext backgroundContext; // for background music / vario
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AudioContext currentContext;
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AudioContext foregroundContext; // for important beeps
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AudioBuffer buffers[AUDIO_BUFFER_COUNT];
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uint8_t bufferRIdx;
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uint8_t bufferWIdx;
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inline uint8_t nextBufferIdx(uint8_t idx)
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{
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return (idx == AUDIO_BUFFER_COUNT-1 ? 0 : idx+1);
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}
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inline AudioBuffer * getEmptyBuffer()
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{
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AudioBuffer * buffer = &buffers[bufferWIdx];
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if (buffer->state == AUDIO_BUFFER_FREE)
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return buffer;
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else
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return NULL;
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}
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void pushBuffer(AudioBuffer *buffer);
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};
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extern AudioQueue audioQueue;
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void codecsInit();
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void audioEvent(uint8_t e, uint16_t f=BEEP_DEFAULT_FREQ);
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void audioStart();
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#if defined(AUDIO) && defined(BUZZER)
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#define AUDIO_BUZZER(a, b) do { a; b; } while(0)
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#elif defined(AUDIO)
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#define AUDIO_BUZZER(a, b) a
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#else
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#define AUDIO_BUZZER(a, b) b
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#endif
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#if defined(VOICE)
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#define AUDIO_ERROR_MESSAGE(e) audioEvent(e)
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#define AUDIO_TIMER_MINUTE(t) playDuration(t, 0)
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#else
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#define AUDIO_ERROR_MESSAGE(e) audioEvent(AU_ERROR)
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#define AUDIO_TIMER_MINUTE(t) audioDefevent(AU_WARNING1)
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#endif
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#define AUDIO_TADA() audioEvent(AU_TADA)
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#define AUDIO_KEYPAD_UP() AUDIO_BUZZER(audioEvent(AU_KEYPAD_UP), beep(0))
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#define AUDIO_KEYPAD_DOWN() AUDIO_BUZZER(audioEvent(AU_KEYPAD_DOWN), beep(0))
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#define AUDIO_MENUS() AUDIO_BUZZER(audioEvent(AU_MENUS), beep(0))
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#define AUDIO_WARNING1() AUDIO_BUZZER(audioEvent(AU_WARNING1), beep(3))
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#define AUDIO_WARNING2() AUDIO_BUZZER(audioEvent(AU_WARNING2), beep(2))
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#define AUDIO_TX_BATTERY_LOW() AUDIO_BUZZER(audioEvent(AU_TX_BATTERY_LOW), beep(4))
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#if defined(PCBSKY9X)
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#define AUDIO_TX_MAH_HIGH() audioEvent(AU_TX_MAH_HIGH)
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#define AUDIO_TX_TEMP_HIGH() audioEvent(AU_TX_TEMP_HIGH)
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#endif
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#define AUDIO_ERROR() AUDIO_BUZZER(audioEvent(AU_ERROR), beep(4))
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#define AUDIO_TIMER_30() AUDIO_BUZZER(audioEvent(AU_TIMER_30), { beepAgain=2; beep(2); })
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#define AUDIO_TIMER_20() AUDIO_BUZZER(audioEvent(AU_TIMER_20), { beepAgain=1; beep(2); })
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#define AUDIO_TIMER_LT10(x) AUDIO_BUZZER(audioEvent(AU_TIMER_LT10), beep(2))
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#define AUDIO_INACTIVITY() AUDIO_BUZZER(audioEvent(AU_INACTIVITY), beep(3))
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#define AUDIO_MIX_WARNING(x) AUDIO_BUZZER(audioEvent(AU_MIX_WARNING_1+x-1), beep(1))
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#define AUDIO_POT_STICK_MIDDLE() AUDIO_BUZZER(audioEvent(AU_POT_STICK_MIDDLE), beep(2))
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#define AUDIO_VARIO_UP() audioEvent(AU_KEYPAD_UP)
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#define AUDIO_VARIO_DOWN() audioEvent(AU_KEYPAD_DOWN)
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#define AUDIO_TRIM_MIDDLE(f) AUDIO_BUZZER(audioEvent(AU_TRIM_MIDDLE, f), beep(2))
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#define AUDIO_TRIM_END(f) AUDIO_BUZZER(audioEvent(AU_TRIM_END, f), beep(2))
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#define AUDIO_TRIM(event, f) AUDIO_BUZZER(audioEvent(AU_TRIM_MOVE, f), { if (!IS_KEY_FIRST(event)) warble = true; beep(1); })
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#define AUDIO_PLAY(p) audioEvent(p)
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#define AUDIO_VARIO(f, t) audioQueue.play(f, t, 0, PLAY_BACKGROUND)
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#if defined(PCBTARANIS)
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#define AUDIO_A1_ORANGE() audioEvent(AU_A1_ORANGE)
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#define AUDIO_A1_RED() audioEvent(AU_A1_RED)
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#define AUDIO_A2_ORANGE() audioEvent(AU_A2_ORANGE)
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#define AUDIO_A2_RED() audioEvent(AU_A2_RED)
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#define AUDIO_RSSI_ORANGE() audioEvent(AU_RSSI_ORANGE)
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#define AUDIO_RSSI_RED() audioEvent(AU_RSSI_RED)
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#define AUDIO_SWR_RED() audioEvent(AU_SWR_RED)
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#endif
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#define AUDIO_TELEMETRY_LOST() audioEvent(AU_TELEMETRY_LOST)
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#define AUDIO_TELEMETRY_BACK() audioEvent(AU_TELEMETRY_BACK)
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#define AUDIO_HEARTBEAT()
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#define SYSTEM_AUDIO_CATEGORY 0
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#define MODEL_AUDIO_CATEGORY 1
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#define PHASE_AUDIO_CATEGORY 2
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#define MIXER_AUDIO_CATEGORY 3
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#define AUDIO_EVENT_OFF 0
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#define AUDIO_EVENT_ON 1
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#define AUDIO_EVENT_BG 2
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extern void pushPrompt(uint16_t prompt, uint8_t id=0);
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#define I18N_PLAY_FUNCTION(lng, x, ...) void lng ## _ ## x(__VA_ARGS__, uint8_t id)
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#define PLAY_FUNCTION(x, ...) void x(__VA_ARGS__, uint8_t id)
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#define PUSH_NUMBER_PROMPT(p) pushPrompt((p), id)
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#define PLAY_NUMBER(n, u, a) playNumber((n), (u), (a), id)
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#define PLAY_DURATION(d) playDuration((d), id)
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#define IS_PLAYING(id) audioQueue.isPlaying((id))
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#define PLAY_VALUE(v, id) playValue((v), (id))
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#define PLAY_FILE(f, flags, id) audioQueue.playFile((f), (flags), (id))
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#define STOP_PLAY(id) audioQueue.stopPlay((id))
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#define AUDIO_RESET() audioQueue.reset()
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#if defined(SDCARD)
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#define PLAY_PHASE_OFF(phase) do { char filename[AUDIO_FILENAME_MAXLEN+1]; if (isAudioFileAvailable((PHASE_AUDIO_CATEGORY << 24) + (phase << 16) + AUDIO_EVENT_OFF, filename)) audioQueue.playFile(filename); } while (0)
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#define PLAY_PHASE_ON(phase) do { char filename[AUDIO_FILENAME_MAXLEN+1]; if (isAudioFileAvailable((PHASE_AUDIO_CATEGORY << 24) + (phase << 16) + AUDIO_EVENT_ON, filename)) audioQueue.playFile(filename); } while (0)
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#else
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#define PLAY_PHASE_OFF(phase)
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#define PLAY_PHASE_ON(phase)
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#endif
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extern void refreshSystemAudioFiles();
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extern void refreshModelAudioFiles();
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extern bool isAudioFileAvailable(uint32_t i, char * filename);
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// TODO not public, everything could be inside a function in audio_arm.cpp
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extern OS_MutexID audioMutex;
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#endif
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