ESP32 + UWB | Warning sounds depending on the distance

ESP32_UWB/0_ESP32TAG/MyDisplaySetup.h

@@ -47,7 +47,7 @@ public:
     }
     {
       auto cfg = _light_instance.config();
-      cfg.pin_bl = 33;
+      cfg.pin_bl = -1;
       cfg.invert = false;
       cfg.freq = 44100;
       cfg.pwm_channel = 7;

ESP32_UWB/1_My_Anchor_With_Audio/1_My_Anchor_With_Audio.ino

@@ -0,0 +1,94 @@
+/////////////////////////////////////////////////////////////////
+/*
+  ESP32 + UWB | Warning sounds depending on the distance
+  For More Information: https://youtu.be/xrDvu8QT1Qs
+  Created by Eric N. (ThatProject)
+*/
+/////////////////////////////////////////////////////////////////
+//ESP version 1.0.6
+/////////////////////////////////////////////////////////////////
+
+#include <SPI.h>
+#include "DW1000Ranging.h"
+#include "Audio.h"
+#include "SPIFFS.h"
+#define I2S_DOUT      25
+#define I2S_BCLK      27
+#define I2S_LRC       26
+
+// connection pins
+const uint8_t PIN_SCK = 18;
+const uint8_t PIN_MOSI = 23;
+const uint8_t PIN_MISO = 19;
+const uint8_t PIN_SS = 15;
+const uint8_t PIN_RST = 2;
+const uint8_t PIN_IRQ = 22;
+
+char *audioFiles[] = { "Connected.wav", "Disconnected.wav", "Over10m.wav", "Over20m.wav"};
+
+Audio audio;
+
+static const unsigned long REFRESH_INTERVAL = 10 * 1000; // 10sec
+static unsigned long lastRefreshTime = 0;
+
+void setup() {
+  Serial.begin(115200);
+  delay(1000);
+
+  SPI.begin(PIN_SCK, PIN_MISO, PIN_MOSI);
+  DW1000Ranging.initCommunication(PIN_RST, PIN_SS, PIN_IRQ);
+
+  DW1000Ranging.attachNewRange(newRange);
+  DW1000Ranging.attachBlinkDevice(newBlink);
+  DW1000Ranging.attachInactiveDevice(inactiveDevice);
+
+  DW1000.enableDebounceClock();
+  DW1000.enableLedBlinking();
+  DW1000.setGPIOMode(MSGP3, LED_MODE);
+
+  DW1000Ranging.startAsAnchor("82:17:5B:D5:A9:9A:E2:9C", DW1000.MODE_LONGDATA_RANGE_LOWPOWER);
+
+  SPIFFS.begin();
+  audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
+  audio.setVolume(21); // 0...21
+}
+
+void loop() {
+  audio.loop();
+  delay(2);
+  if (!audio.isRunning()) {
+    DW1000Ranging.loop();
+  }
+}
+
+void newRange() {
+  updateRange(DW1000Ranging.getDistantDevice()->getRange());
+}
+
+void newBlink(DW1000Device* device) {
+  audio.connecttoFS(SPIFFS, audioFiles[0]);
+}
+
+void inactiveDevice(DW1000Device* device) {
+  audio.connecttoFS(SPIFFS, audioFiles[1]);
+}
+
+void updateRange(float range) {
+  float projectedRange = range * 2 / 5;
+  selectAudioFile(projectedRange);
+}
+
+void selectAudioFile(float projectedRange) {
+
+  if (millis() - lastRefreshTime >= REFRESH_INTERVAL)
+  {
+    lastRefreshTime += REFRESH_INTERVAL;
+    Serial.println(projectedRange);
+
+    if (projectedRange > 20) {
+      audio.connecttoFS(SPIFFS, audioFiles[3]);
+    } else if (projectedRange > 10) {
+      audio.connecttoFS(SPIFFS, audioFiles[2]);
+    }
+  }
+}