Finish coffee maker
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#include "debounce.h"
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enum class ButtonEvent : uint8_t {
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NoEvent,
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Press,
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LongPress,
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DoublePress,
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};
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// template wird komplett wegoptimiert (wie #define)
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template<uint16_t LONGPRESS_TIMEOUT, uint16_t DOUBLEPRESS_TIMEOUT>
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class Button {
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public:
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enum class State : uint8_t {
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Idle,
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Pressed,
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LongPressed,
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Released,
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};
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ButtonEvent event(RawButtonEvent result) {
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switch(state) {
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case State::Idle :
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if(result == RawButtonEvent::Pressed) {
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state = State::Pressed;
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counter = millis();
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}
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break;
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case State::Pressed :
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if(result == RawButtonEvent::Released) {
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state = State::Released;
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counter = millis();
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} else if((uint16_t) millis() - counter >= LONGPRESS_TIMEOUT) {
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state = State::LongPressed;
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return ButtonEvent::LongPress;
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}
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break;
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case State::Released :
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if(result == RawButtonEvent::Pressed) {
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state= State::Idle;
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return ButtonEvent::DoublePress;
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} else if((uint16_t) millis() - counter >= DOUBLEPRESS_TIMEOUT) {
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state = State::Idle;
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return ButtonEvent::Press;
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}
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break;
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case State::LongPressed :
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if(result == RawButtonEvent::Released) {
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state = State::Idle;
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} else {
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return ButtonEvent::LongPress;
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}
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break;
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}
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return ButtonEvent::NoEvent;
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}
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private:
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State state = State::Idle;
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uint16_t counter = 0;
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};
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#ifndef _DEBOUNCE_H_
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#define _DEBOUNCE_H_
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enum class RawButtonEvent : uint8_t {
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NoEvent,
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Pressed,
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Released,
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};
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template<uint16_t DEBOUNCE_PRESSED, uint16_t DEBOUNCE_UNPRESSED = DEBOUNCE_PRESSED>
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class Debounce {
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public:
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enum class State : uint8_t {
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Unpressed,
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UnpressedDebounced,
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Pressed,
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PressedDebounced,
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};
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RawButtonEvent event(bool pressed) {
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switch(state) {
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case State::Unpressed :
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if(pressed) {
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state = State::PressedDebounced;
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counter = millis();
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return RawButtonEvent::Pressed;
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}
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break;
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case State::PressedDebounced :
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if((uint16_t) millis() - counter > DEBOUNCE_PRESSED) {
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state = State::Pressed;
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}
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break;
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case State::Pressed :
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if(!pressed) {
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state = State::UnpressedDebounced;
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counter = millis();
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return RawButtonEvent::Released;
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}
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break;
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case State::UnpressedDebounced :
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if((uint16_t) millis() - counter > DEBOUNCE_UNPRESSED) {
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state = State::Unpressed;
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}
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break;
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}
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return RawButtonEvent::NoEvent;
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}
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private:
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State state = State::Unpressed;
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uint16_t counter = 0;
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};
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#endif
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@ -1,65 +1,101 @@
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#include <SD.h> // need to include the SD library
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//#define SD_ChipSelectPin 53 //example uses hardware SS pin 53 on Mega2560
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#define SD_ChipSelectPin 5 //using digital pin 4 on arduino nano 328, can use other pins
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#include <TMRpcm.h> // also need to include this library...
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#include <SD.h>
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#include <TMRpcm.h>
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#include <SPI.h>
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#include "button.h"
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#include "debounce.h"
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using MainButton = Button<150, 150>;
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#define SD_ChipSelectPin 5
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#define MainButtonPin 6
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#define CoffeeLedPin 7
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#define EegLedPin 8
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Debounce<20> debounce;
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MainButton button;
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TMRpcm tmrpcm; // create an object for use in this sketch
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unsigned long time = 0;
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void setup(){
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tmrpcm.speakerPin = 9; //5,6,11 or 46 on Mega, 9 on Uno, Nano, etc
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//Complimentary Output or Dual Speakers:
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//pinMode(10,OUTPUT); Pin pairs: 9,10 Mega: 5-2,6-7,11-12,46-45
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tmrpcm.speakerPin = 9;
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Serial.begin(9600);
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//pinMode(13,OUTPUT); //LED Connected to analog pin 0
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Serial.println("Startshduhsd");
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if (!SD.begin(SD_ChipSelectPin)) { // see if the card is present and can be initialized:
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Serial.println("SD fail");
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return; // don't do anything more if not
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}
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else{
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} else{
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Serial.println("SD ok");
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}
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pinMode(MainButtonPin, INPUT);
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pinMode(CoffeeLedPin, OUTPUT);
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pinMode(EegLedPin, OUTPUT);
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digitalWrite(CoffeeLedPin, HIGH);
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tmrpcm.volume(2);
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tmrpcm.play("coffee.wav"); //the sound file "music" will play each time the arduino powers up, or is reset
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}
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enum class State : uint8_t {
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Idle,
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MakingCoffee,
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Slowing
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};
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auto state = State::Idle;
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uint16_t coffeeLedTimeout = millis();
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uint16_t eegLedTimeout = millis();
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void loop(){
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//blink the LED manually to demonstrate music playback is independant of main loop
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if(tmrpcm.isPlaying() && millis() - time > 50 ) {
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//digitalWrite(13,!digitalRead(13));
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// time = millis();
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}else
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if(millis() - time > 500){
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//digitalWrite(13,!digitalRead(13));
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//time = millis();
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const uint16_t minEegLedDelay = 50;
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const uint16_t maxEegLedDelay = 500;
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uint16_t eegLedDelay = maxEegLedDelay;
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uint16_t eegLedDelayTimeout = millis();
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void loop() {
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bool buttonPressed = digitalRead(MainButtonPin);
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auto event = button.event(debounce.event(buttonPressed));
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if((uint16_t) millis() - eegLedTimeout >= eegLedDelay) {
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eegLedTimeout = millis();
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digitalWrite(EegLedPin, !digitalRead(EegLedPin));
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}
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if(Serial.available()){
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switch(Serial.read()){
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case 'c': tmrpcm.play("coffee.wav"); break;
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case 'p': tmrpcm.pause(); break;
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case '?': if(tmrpcm.isPlaying()){ Serial.println("A wav file is being played");} else{Serial.println("No wav file is being played");} break;
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case 'S': tmrpcm.stopPlayback(); break;
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case '0': tmrpcm.volume(0); break;
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case '1': tmrpcm.volume(1); break;
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case '2': tmrpcm.volume(2); break;
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case '3': tmrpcm.volume(3); break;
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case '4': tmrpcm.volume(4); break;
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case '5': tmrpcm.volume(5); break;
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case '6': tmrpcm.volume(6); break;
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case '7': tmrpcm.volume(7); break;
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case '=': tmrpcm.quality(0); break;
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case '-': tmrpcm.quality(1); break;
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default: break;
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switch(state) {
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case State::Idle:
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if(event == ButtonEvent::Press || event == ButtonEvent::LongPress) {
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tmrpcm.play("coffee.wav");
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state = State::MakingCoffee;
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coffeeLedTimeout = millis();
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}
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break;
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case State::MakingCoffee:
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if(!tmrpcm.isPlaying()) {
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state = State::Slowing;
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eegLedDelay = minEegLedDelay;
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digitalWrite(CoffeeLedPin, HIGH);
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} else {
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if((uint16_t) millis() - coffeeLedTimeout >= 500) {
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coffeeLedTimeout = millis();
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digitalWrite(CoffeeLedPin, !digitalRead(CoffeeLedPin));
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}
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}
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break;
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case State::Slowing:
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Serial.println(eegLedDelay);
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if((uint16_t) millis() - eegLedDelayTimeout >= 300) {
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eegLedDelayTimeout = millis();
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if(eegLedDelay > maxEegLedDelay) {
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eegLedDelay = maxEegLedDelay;
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state = State::Idle;
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} else {
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eegLedDelay = eegLedDelay * 1.1;
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}
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}
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break;
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}
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}
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