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/*
* Copyright (c) 2011 John Jarvis
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/*
PlayTune, sets up a timer in CTC mode and
reading frequency and delay information to
play a tune
john@jarv.org 2011/11/06
*/
#ifndef PlayTune_h
#define PlayTune_h
#include <stdint.h>
#include <avr/pgmspace.h>
#define TIMER0 0
#define TIMER1 1
#define TIMER2 2
#define PS_1024 1024
#define PS_512 512
#define PS_256 256
#define PS_128 128
#define PS_64 64
#define PS_32 32
#define PS_16 16
#define PS_8 8
#define PS_4 4
#define PS_2 2
#define PS_1 1
static const uint8_t def_notes_[] PROGMEM = {118,105,94,88,79,70,62,59};
static const uint8_t def_delays_[] PROGMEM = {1,1,1,1,1,1,1};
class PlayTune
{
public:
PlayTune( uint8_t timer, uint16_t prescale=PS_256,
const uint8_t *notes=def_notes_,
const uint8_t *delays=def_delays_,
uint16_t notes_len=8, uint16_t delays_len=8);
uint8_t playNote(void);
uint8_t turnOff(void);
uint8_t turnOn(void);
uint8_t isFinished_;
uint8_t isPlaying(void);
static uint16_t pause;
private:
const uint8_t *notes_;
uint16_t notes_len_;
const uint8_t *delays_;
uint16_t delays_len_;
uint8_t timer_;
uint16_t prescale_;
uint8_t timeleft_;
uint16_t pos_;
uint8_t last_note_;
};
#endif
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