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Pascal Engélibert 2023-01-14 00:09:05 +01:00
commit 285669fef5
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/*
* CopyLeft 2022 Pascal Engélibert
*
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, version 3 of the License.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.
*/
// Telephone Jukebox
//
// Three types of output may be used, by configuring the code below.
//
// 1: Digital I2S - Normally used with the audio shield:
// http://www.pjrc.com/store/teensy3_audio.html
//
// 2: Digital S/PDIF - Connect pin 22 to a S/PDIF transmitter
// https://www.oshpark.com/shared_projects/KcDBKHta
//
// 3: Analog DAC - Connect the DAC pin to an amplified speaker
// http://www.pjrc.com/teensy/gui/?info=AudioOutputAnalog
//
// To configure the output type, first uncomment one of the three
// output objects. If not using the audio shield, comment out
// the sgtl5000_1 lines in setup(), so it does not wait forever
// trying to configure the SGTL5000 codec chip.
//
// The SD card may connect to different pins, depending on the
// hardware you are using. Uncomment or configure the SD card
// pins to match your hardware.
//
// Two pins can be used (one for hang up detection and one for counting), but it also works well with only one pin for both functions.
#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
//#define PIN_PULSE 4
#define PIN_STOP 2
#define PULSE_DELAY 100
unsigned long pulses_end = 0;
unsigned int pulses = 0;
bool pulse = false;
AudioMixer4 mix2;
AudioMixer4 mix1;
AudioSynthWaveform waveform1;
AudioPlaySdWav wav1;
// Use one of these 3 output types: Digital I2S, Digital S/PDIF, or Analog DAC
AudioOutputI2S phone1;
//AudioOutputSPDIF phone1;
//AudioOutputAnalog phone1;
//On Teensy LC, use this for the Teensy Audio Shield:
//AudioOutputI2Sslave phone1;
AudioConnection c1(waveform1, 0, mix1, 0);
AudioConnection c2(waveform1, 0, mix2, 0);
AudioConnection c3(wav1, 0, mix1, 1);
AudioConnection c4(wav1, 1, mix2, 1);
AudioConnection c5(mix1, 0, phone1, 0);
AudioConnection c6(mix2, 0, phone1, 1);
AudioControlSGTL5000 sgtl5000_1;
// Use these with the Teensy Audio Shield
#define SDCARD_CS_PIN 10
#define SDCARD_MOSI_PIN 7
#define SDCARD_SCK_PIN 14
// Use these with the Teensy 3.5 & 3.6 SD card
//#define SDCARD_CS_PIN BUILTIN_SDCARD
//#define SDCARD_MOSI_PIN 11 // not actually used
//#define SDCARD_SCK_PIN 13 // not actually used
// Use these for the SD+Wiz820 or other adaptors
//#define SDCARD_CS_PIN 4
//#define SDCARD_MOSI_PIN 11
//#define SDCARD_SCK_PIN 13
void setup() {
pinMode(PIN_STOP, INPUT_PULLUP);
//pinMode(PIN_PULSE, INPUT_PULLUP);
AudioMemory(8);
// Comment these out if not using the audio adaptor board.
// This may wait forever if the SDA & SCL pins lack
// pullup resistors
sgtl5000_1.enable();
sgtl5000_1.volume(0.5);
waveform1.begin(WAVEFORM_SINE);
waveform1.frequency(440);
SPI.setMOSI(SDCARD_MOSI_PIN);
SPI.setSCK(SDCARD_SCK_PIN);
if(!SD.begin(SDCARD_CS_PIN)) {
// Error: Cannot read SD card
while(true) {
if(!digitalRead(PIN_STOP)) {
waveform1.amplitude(0.5);
delay(250);
waveform1.amplitude(0.0);
delay(1750);
}
}
}
}
void play_track(unsigned int track) {
char filename[16];
sprintf(filename, "%d.WAV", track);
wav1.play(filename);
}
void loop() {
/*if(digitalRead(PIN_STOP)) {
waveform1.amplitude(0.0);
if(wav1.isPlaying()) {
wav1.stop();
}
} else {
if(wav1.isPlaying()) {
waveform1.amplitude(0.0);
} else {
waveform1.amplitude(0.5);
}
}
if(digitalRead(PIN_PULSE)) {
if(!pulse) {
pulses ++;
pulse = true;
}
}
else if(pulse) {
pulse = false;
pulses_end = millis() + PULSE_DELAY;
}
else if(pulses) {
if(millis() >= pulses_end) {
if(!digitalRead(PIN_STOP))
play_track(pulses);
pulses = 0;
}
}*/
// If phone is hang up
if(digitalRead(PIN_STOP)) {
// Stop tone and music
waveform1.amplitude(0.0);
if(wav1.isPlaying()) {
wav1.stop();
}
if(!pulse) {
pulse = true;
pulses ++;
pulses_end = millis() + PULSE_DELAY;
}
else if(millis() > pulses_end) {
pulses = 0;
}
} else {
if(wav1.isPlaying()) {
// Stop tone
waveform1.amplitude(0.0);
} else {
// Start tone
waveform1.amplitude(0.5);
}
if(pulse) {
pulse = false;
pulses_end = millis() + PULSE_DELAY;
} else if(pulses && millis() > pulses_end) {
play_track(pulses % 10);
pulses = 0;
}
}
delay(10);
}