|  |  |  | /* Copyright 2016 Jack Humbert
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							|  |  |  |  * | 
					
						
							|  |  |  |  * 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 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
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							|  |  |  |  */ | 
					
						
							|  |  |  | #include <stdint.h>
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							|  |  |  | #include <stdbool.h>
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							|  |  |  | #if defined(__AVR__)
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							|  |  |  |     #include <avr/io.h>
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							|  |  |  | #endif
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							|  |  |  | #include "wait.h"
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							|  |  |  | #include "luts.h"
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							|  |  |  | 
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							|  |  |  | #ifndef VOICES_H
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							|  |  |  | #define VOICES_H
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							|  |  |  | 
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							|  |  |  | float voice_envelope(float frequency); | 
					
						
							|  |  |  | 
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							|  |  |  | typedef enum { | 
					
						
							|  |  |  |     default_voice, | 
					
						
							|  |  |  |     #ifdef AUDIO_VOICES
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							|  |  |  |     something, | 
					
						
							|  |  |  |     drums, | 
					
						
							|  |  |  |     butts_fader, | 
					
						
							|  |  |  |     octave_crunch, | 
					
						
							|  |  |  |     duty_osc, | 
					
						
							|  |  |  |     duty_octave_down, | 
					
						
							|  |  |  |     delayed_vibrato, | 
					
						
							|  |  |  |     // delayed_vibrato_octave,
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							|  |  |  |     // duty_fifth_down,
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							|  |  |  |     // duty_fourth_down,
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							|  |  |  |     // duty_third_down,
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							|  |  |  |     // duty_fifth_third_down,
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							|  |  |  |     #endif
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							|  |  |  |     number_of_voices // important that this is last
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							|  |  |  | } voice_type; | 
					
						
							|  |  |  | 
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							|  |  |  | void set_voice(voice_type v); | 
					
						
							|  |  |  | void voice_iterate(void); | 
					
						
							|  |  |  | void voice_deiterate(void); | 
					
						
							|  |  |  | 
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							|  |  |  | #endif
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