Audio port from er9x (thanks Rob!)
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bsongis
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/*
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* Author - Rob Thomson <rob@marotori.com>
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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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//audio
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#define AUDIO_QUEUE_LENGTH (8) //8 seems to suit most alerts
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#define BEEP_DEFAULT_FREQ (70)
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#define BEEP_OFFSET (10)
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#define BEEP_KEY_UP_FREQ (BEEP_DEFAULT_FREQ+5)
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#define BEEP_KEY_DOWN_FREQ (BEEP_DEFAULT_FREQ-5)
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#define AUDIO_QUEUE_HEARTBEAT_XSHORT (30) //speaker timing [Norm]
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#define AUDIO_QUEUE_HEARTBEAT_SHORT (50) //speaker timing [Norm]
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#define AUDIO_QUEUE_HEARTBEAT_NORM (77) //speaker timing [Norm]
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#define AUDIO_QUEUE_HEARTBEAT_LONG (130) //speaker timing [Long]
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#define AUDIO_QUEUE_HEARTBEAT_XLONG (200) //speaker timing [xLong]
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#define HAPTIC_ON PORTG |= (1<<2)
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#define HAPTIC_OFF PORTG &= ~(1<<2)
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/* make sure the defines below always go in numeric order */
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#define AU_TADA (0)
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#define AU_WARNING1 (1)
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#define AU_WARNING2 (2)
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#define AU_WARNING3 (3)
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#define AU_ERROR (4)
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#define AU_KEYPAD_UP (5)
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#define AU_KEYPAD_DOWN (6)
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#define AU_TRIM_MOVE (7)
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#define AU_TRIM_MIDDLE (8)
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#define AU_MENUS (9)
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#define AU_POT_STICK_MIDDLE (10)
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#define AU_MIX_WARNING_1 (11)
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#define AU_MIX_WARNING_2 (12)
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#define AU_MIX_WARNING_3 (13)
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#define AU_TIMER_30 (14)
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#define AU_TIMER_20 (15)
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#define AU_TIMER_10 (16)
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#define AU_TIMER_LT3 (17)
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#define AU_INACTIVITY (18)
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#define AU_TX_BATTERY_LOW (19)
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#ifdef FRSKY
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#define AU_FRSKY_WARN1 (0)
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#define AU_FRSKY_WARN2 (1)
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#define AU_FRSKY_CHEEP (2)
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#define AU_FRSKY_RING (3)
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#define AU_FRSKY_SCIFI (4)
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#define AU_FRSKY_ROBOT (5)
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#define AU_FRSKY_CHIRP (6)
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#define AU_FRSKY_TADA (7)
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#define AU_FRSKY_CRICKET (8)
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#define AU_FRSKY_SIREN (9)
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#define AU_FRSKY_ALARMC (10)
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#define AU_FRSKY_RATATA (11)
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#define AU_FRSKY_TICK (12)
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#define AU_FRSKY_HAPTIC1 (13)
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#define AU_FRSKY_HAPTIC2 (14)
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#define AU_FRSKY_HAPTIC3 (15)
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#endif
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#define BEEP_QUIET (0)
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#define BEEP_NOKEYS (1)
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#define BEEP_XSHORT (2)
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#define BEEP_SHORT (3)
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#define BEEP_NORMAL (4)
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#define BEEP_LONG (5)
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#define BEEP_XLONG (6)
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struct audioQueue{
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//queue temporaries
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uint8_t t_queueToneStart;
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uint8_t t_queueToneEnd;
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uint8_t t_queueToneLength;
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uint8_t t_queueTonePause;
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uint8_t t_queueToneRepeat;
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uint8_t t_queueToneHaptic;
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//queue general vars
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uint8_t toneFreq;
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uint8_t toneFreqEnd;
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uint8_t toneTimeLeft;
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int8_t rateOfChange;
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uint8_t tonePause;
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uint8_t queueState;
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uint8_t toneRepeat;
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uint8_t toneRepeatCnt;
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uint8_t inToneRepeat;
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uint8_t toneHaptic;
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uint8_t hapticTick;
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uint8_t heartbeatTimer;
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#ifdef FRSKY
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uint8_t frskySample;
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#endif
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//queue arrays
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uint8_t queueToneStart[AUDIO_QUEUE_LENGTH];
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uint8_t queueToneEnd[AUDIO_QUEUE_LENGTH];
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uint8_t queueToneLength[AUDIO_QUEUE_LENGTH];
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uint8_t queueTonePause[AUDIO_QUEUE_LENGTH];
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uint8_t queueToneRepeat[AUDIO_QUEUE_LENGTH];
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uint8_t queueToneHaptic[AUDIO_QUEUE_LENGTH];
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//beep length table
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// uint8_t beepLenTable[10];
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public:
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//constructor
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audioQueue();
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void aqinit() ; // To stop constructor being compiled twice
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//only difference between these two functions is that one does the
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//interupt queue (Now) and the other queues for playing ASAP.
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void playNow(uint8_t tStart,uint8_t tLen,uint8_t tPause,uint8_t tRepeat=0,uint8_t tHaptic=0,uint8_t tEnd=0);
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void playASAP(uint8_t tStart,uint8_t tLen,uint8_t tPause,uint8_t tRepeat=0,uint8_t tHaptic=0,uint8_t tEnd=0);
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bool busy();
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void event(uint8_t e,uint8_t f=BEEP_DEFAULT_FREQ);
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#ifdef FRSKY
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void frskyevent(uint8_t e);
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void frskyeventSample(uint8_t e);
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#endif
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void commit( uint8_t toneInterupt );
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//set all temporary buffers to default
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void flushTemp();
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void flushqueue( uint8_t startpos ) ;
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void restack();
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//heartbeat is responsibile for issueing the audio tones and general square waves
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// it is essentially the life of the class.
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void heartbeat();
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bool freeslots(uint8_t slots);
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};
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//wrapper function - dirty but results in a space saving!!!
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extern audioQueue audio;
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//void audioevent(uint8_t e,uint8_t f=BEEP_DEFAULT_FREQ);
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void audioDefevent(uint8_t e);
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void audioError();
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#define AUDIO_KEYPAD_UP() audioDefevent(AU_KEYPAD_UP)
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#define AUDIO_KEYPAD_DOWN() audioDefevent(AU_KEYPAD_DOWN)
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#define AUDIO_MENUS() audioDefevent(AU_MENUS)
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#define AUDIO_WARNING1() audioDefevent(AU_WARNING1)
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#define AUDIO_WARNING2() audioDefevent(AU_WARNING2)
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#define AUDIO_ERROR() audioDefevent(AU_ERROR)
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#define IS_AUDIO_BUSY() audio.busy()
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#define AUDIO_TIMER_30() audioDefevent(AU_TIMER_30)
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#define AUDIO_TIMER_20() audioDefevent(AU_TIMER_20)
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#define AUDIO_TIMER_10() audioDefevent(AU_TIMER_10)
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#define AUDIO_TIMER_LT3() audioDefevent(AU_TIMER_LT3)
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#define AUDIO_MINUTE_BEEP() audioDefevent(AU_WARNING1)
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#define AUDIO_INACTIVITY() audioDefevent(AU_INACTIVITY)
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#define AUDIO_MIX_WARNING_1() audioDefevent(AU_MIX_WARNING_1)
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#define AUDIO_MIX_WARNING_3() audioDefevent(AU_MIX_WARNING_3)
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#define AUDIO_HEARTBEAT() audio.heartbeat()
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#endif // audio_h
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