commit 057b16a8d58999c82ab22245fd0f93f5942a9ca9
Author: Sebastian @ HfG <kujas@hfg-offenbach.de>
Date:   Mon May 26 13:20:31 2025 +0200

    leds, buttons and vibration motor working

diff --git a/soundcube-firmware/soundcube-firmware.ino b/soundcube-firmware/soundcube-firmware.ino
new file mode 100644
index 0000000..7ab184b
--- /dev/null
+++ b/soundcube-firmware/soundcube-firmware.ino
@@ -0,0 +1,90 @@
+#include <TCA9555.h>
+#include <Adafruit_NeoPixel.h>
+
+#define HAPTIC 0
+
+TCA9555 TCA(0x20, &Wire1);
+
+//PWMAudio ui_snd(8);
+
+Adafruit_NeoPixel edge_pixels(8, 4, NEO_GRB + NEO_KHZ800);
+Adafruit_NeoPixel ui_pixels(72, 5, NEO_GRB + NEO_KHZ800);
+
+volatile bool flag = false;
+
+void tca_irq()
+{
+  flag = true;
+}
+
+void setup() {
+  Serial.begin();
+  delay(2000);
+  
+  Serial.println("INIT WIRE");  
+  Wire1.setSDA(2);
+  Wire1.setSCL(3);
+  Wire1.begin();
+  Serial.println("SUCCESS");
+
+  Serial.println("INIT TCA");
+  TCA.begin();
+  TCA.pinMode16(0xFFFF);
+  TCA.setPolarity16(0x0000);
+  Serial.println("SUCCESS");
+
+  Serial.println("INIT INTERRUPT");
+  pinMode(1, INPUT_PULLUP);
+  attachInterrupt(digitalPinToInterrupt(1), tca_irq, FALLING);
+  Serial.println("SUCCESS");
+
+  pinMode(6, OUTPUT); // Vibration Motor
+  pinMode(7, OUTPUT); // UI Amp Enable
+
+  //ui_snd.begin(44100);
+
+  edge_pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
+  ui_pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
+}
+
+void loop() {
+  edge_pixels.clear(); // Set all pixel colors to 'off'
+  ui_pixels.clear(); // Set all pixel colors to 'off'
+
+  if(flag){
+    int val = TCA.read16();
+    Serial.println(val, BIN);
+    flag = false;
+    if(HAPTIC){
+      digitalWrite(6, HIGH);
+      delay(50);
+      digitalWrite(6, LOW);
+    }
+  }
+
+  for(int i = 0; i < 8; i++){
+    edge_pixels.setPixelColor(i,edge_pixels.Color(5,5,5));
+  }
+  
+  ui_pixels.setPixelColor(0,edge_pixels.Color(0,0,5));
+  ui_pixels.setPixelColor(1,edge_pixels.Color(0,0,5));
+  ui_pixels.setPixelColor(2,edge_pixels.Color(0,0,5));
+  
+  for(int i = 0; i < 48; i++){
+    if(flag){
+      ui_pixels.setPixelColor(i+3,edge_pixels.Color(0,5,0));
+    } else {
+      ui_pixels.setPixelColor(i+3,edge_pixels.Color(0,0,0));
+    }
+  }
+
+  for(int i = 0; i < 13; i++){
+    ui_pixels.setPixelColor(i+3+48+4,edge_pixels.Color(5,0,0));
+  }
+
+  // put your main code here, to run repeatedly:
+
+  edge_pixels.show(); // Set all pixel colors to 'off'
+  ui_pixels.show(); // Set all pixel colors to 'off'
+  delay(1);
+}