Added SmartButtons for +- 10s config

platformio.ini

@@ -16,3 +16,4 @@ lib_deps =
 	adafruit/Adafruit SSD1306@^2.5.9
 	arduino-libraries/Arduino_JSON@^0.2.0
 	adafruit/Adafruit PN532@^1.3.3
+	fastled/FastLED@^3.6.0

src/SmartButton.cpp

@@ -0,0 +1,27 @@
+#include "SmartButton.hpp"
+#include <Arduino.h>
+
+SmartButton::SmartButton(int pin)
+{
+    m_pin = pin;
+}
+
+void SmartButton::init()
+{
+    pinMode(m_pin, INPUT);
+}
+
+bool SmartButton::isJustPressed()
+{
+    if (digitalRead(m_pin) == HIGH)
+    {
+        m_isDown = false;
+        return false;
+    }
+    if (digitalRead(m_pin) == LOW && !m_isDown)
+    {
+        m_isDown = true;
+        return true;
+    }
+    return false;
+}

src/SmartButton.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+class SmartButton {
+    public:
+        SmartButton(int pin);
+        void init();
+        bool isJustPressed();
+    private:
+        bool m_isDown;
+        int m_pin;
+};

src/main.cpp

@@ -1,12 +1,14 @@
 #include "main.hpp"
 #include "secrets.hpp"
 #include "song.h"
+#include <FastLED.h>
 
 #define WIRE Wire
 
 #define SERVO_PIN 14         // D5
 #define POTENTIOMETER_PIN A0 // A0
 #define BUZZER_PIN 12        // D6
+#define LEDSTRIPE_PIN 15     // D8
 
 // buttons
 #define TACTILE_BTN_LEFT 0  // D3
@@ -22,6 +24,10 @@ Adafruit_PN532 nfc(PN532_IRQ, PN532_RESET); // RFID with I2C
 #define DISPLAY_PIN 4 // D2 (SDA)
 auto display = Adafruit_SSD1306(128, 32, &WIRE);
 
+// FastLED
+#define PIXELCOUNT 20
+CRGB leds[PIXELCOUNT]; // Define the array of leds
+
 // util classes
 ContinuousServo contServo(SERVO_PIN);
 TeaTimer teaTimer(&contServo);
@@ -30,6 +36,9 @@ SmartDial smartDial(POTENTIOMETER_PIN);
 SmartDisplay smartDisplay(&display);
 TeaNetworking teaNet;
 
+SmartButton buttonLeft(TACTILE_BTN_LEFT);
+SmartButton buttonRight(TACTILE_BTN_RIGHT);
+
 // networking
 String shuttleServer = "https://ias-tea-axum.shuttleapp.rs";
 
@@ -49,6 +58,24 @@ void setup()
 {
   Serial.begin(9600);
 
+  // FastLED setup
+  FastLED.addLeds<WS2812B, LEDSTRIPE_PIN, RGB>(leds, PIXELCOUNT);
+  FastLED.clear(true);
+  FastLED.show();
+  delay(2000);
+
+  leds[0].setRGB(2, 0, 0);
+  FastLED.show();
+  delay(1000);
+
+  leds[10].setRGB(0, 2, 0);
+  FastLED.show();
+  delay(1000);
+
+  leds[19].setRGB(0, 0, 2);
+  FastLED.show();
+  delay(1000);
+
   teaNet.init(ssid, password);
 
   smartRFID.init();
@@ -62,11 +89,10 @@ void setup()
   pinMode(LED_BUILTIN, OUTPUT);
   pinMode(TOUCH_BTN_PIN, INPUT);
 
-  pinMode(TACTILE_BTN_LEFT, INPUT);
-  pinMode(TACTILE_BTN_RIGHT, INPUT);
+  buttonLeft.init();
+  buttonRight.init();
 }
 
-int steepingSeconds = 60;
 void loop()
 {
 
@@ -96,7 +122,7 @@ void loop()
   {
     smartDisplay.printWaitForRFIDScreen();
 
-    playSong();
+    // playSong();
 
     // this blocks execution until a tag has been detected
     String uid = smartRFID.readTag();
@@ -121,7 +147,7 @@ void loop()
       result = teaNet.httpsGETRequest(shuttleServer + "/teabyrfid/" + uid);
     }
 
-    currentTea = TeaData(result["teaname"], result["rfidcode"], result["watertemp"], result["steepingSeconds"]);
+    currentTea = TeaData(result["teaname"], result["rfidcode"], result["watertemp"], result["steepingseconds"]);
 
     state = State::DISPLAY_SCANNED_TEA_CONFIG;
 
@@ -131,18 +157,15 @@ void loop()
   {
     int dir = smartDial.smoothEdit(&currentTea.m_steepingSeconds, 0, 6000);
 
-    if (digitalRead(TACTILE_BTN_LEFT) == LOW)
+    if (buttonLeft.isJustPressed())
     {
-      printMsg("BUTTON GREEN");
+      currentTea.m_steepingSeconds -= 10;
     }
-    else if (digitalRead(TACTILE_BTN_RIGHT) == LOW)
+    if (buttonRight.isJustPressed())
     {
-      printMsg("BUTTON RED");
+      currentTea.m_steepingSeconds += 10;
     }
-    else
-    {
     smartDisplay.printTeaConfigScreen(currentTea.m_teaName, currentTea.m_steepingSeconds, dir);
-    }
 
     // change state if start pressed
     if (isBtnPressed())

src/main.hpp

@@ -16,6 +16,7 @@
 #include "SmartDisplay.hpp"
 #include "TeaNetworking.hpp"
 #include "TeaData.hpp"
+#include "SmartButton.hpp"
 
 void playSong();
 bool toggle_led(void *);