Dooho Yi
91f92c0e6c
migration from 'smp_v1p0' dev. for 'sampler' -> skip irrelavant note msg. and keep playing
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/* Audio Library for Teensy 3.X
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* Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
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*
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* Development of this audio library was funded by PJRC.COM, LLC by sales of
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* Teensy and Audio Adaptor boards. Please support PJRC's efforts to develop
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* open source software by purchasing Teensy or other PJRC products.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice, development funding notice, and this permission
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* notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <Arduino.h>
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#include "analyze_print.h"
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#define STATE_IDLE 0 // doing nothing
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#define STATE_WAIT_TRIGGER 1 // looking for trigger condition
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#define STATE_DELAY 2 // waiting from trigger to print
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#define STATE_PRINTING 3 // printing data
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void AudioAnalyzePrint::update(void)
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{
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audio_block_t *block;
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uint32_t offset = 0;
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uint32_t remain, n;
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block = receiveReadOnly();
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if (!block) return;
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while (offset < AUDIO_BLOCK_SAMPLES) {
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remain = AUDIO_BLOCK_SAMPLES - offset;
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switch (state) {
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case STATE_WAIT_TRIGGER:
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// TODO: implement this....
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offset = AUDIO_BLOCK_SAMPLES;
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break;
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case STATE_DELAY:
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//Serial.printf("STATE_DELAY, count = %u\n", count);
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if (remain < count) {
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count -= remain;
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offset = AUDIO_BLOCK_SAMPLES;
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} else {
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offset += count;
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count = print_length;
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state = STATE_PRINTING;
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}
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break;
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case STATE_PRINTING:
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n = count;
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if (n > remain) n = remain;
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count -= n;
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while (n > 0) {
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Serial.println(block->data[offset++]);
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n--;
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}
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if (count == 0) state = STATE_IDLE;
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break;
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default: // STATE_IDLE
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offset = AUDIO_BLOCK_SAMPLES;
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break;
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}
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}
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release(block);
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}
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void AudioAnalyzePrint::trigger(void)
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{
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uint32_t n = delay_length;
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if (n > 0) {
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Serial.print("trigger ");
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if (myname) Serial.print(myname);
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Serial.print(", delay=");
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Serial.println(n);
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count = n;
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state = 2;
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} else {
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Serial.print("trigger ");
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if (myname) Serial.println(myname);
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count = print_length;
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state = 3;
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}
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}
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