From 40205d08882652715010ff88eade2cb99dffedec Mon Sep 17 00:00:00 2001
From: Eugene Crosser <crosser@average.org>
Date: Thu, 18 Jul 2024 22:58:24 +0200
Subject: [PATCH] Initial import, serial output only

---
 ThermoBeaconDisplay.ino | 79 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 ThermoBeaconDisplay.ino

diff --git a/ThermoBeaconDisplay.ino b/ThermoBeaconDisplay.ino
new file mode 100644
index 0000000..72fd685
--- /dev/null
+++ b/ThermoBeaconDisplay.ino
@@ -0,0 +1,79 @@
+/*
+  Listen to advertisements of ThermoBeacons and display
+*/
+
+#include <ArduinoBLE.h>
+
+void dbg(BLEDevice peripheral) {
+  Serial.print("Address: ");
+  Serial.println(peripheral.address());
+  Serial.print("RSSI: ");
+  Serial.println(peripheral.rssi());
+  if (peripheral.hasAdvertisementData()) {
+    uint8_t buf[128];
+    int m = peripheral.advertisementDataLength();
+    peripheral.advertisementData(buf, m);
+    Serial.print("ADV: ");
+    for (int i = 0; i < m; i++)
+      Serial.print(buf[i], HEX);
+    Serial.println();
+  }
+  if (peripheral.hasManufacturerData()) {
+    uint8_t buf[128];
+    int m = peripheral.manufacturerDataLength();
+    peripheral.manufacturerData(buf, m);
+    Serial.print("MFR len: ");
+    Serial.print(m);
+    Serial.print(" data: ");
+    for (int i = 0; i < m; i++) {
+      Serial.print(buf[i] >> 4, HEX);
+      Serial.print(buf[i] & 0x0f, HEX);
+    }
+    Serial.println();
+  }
+  Serial.println();
+}
+
+void advHandler(BLEDevice dev) {
+  if (dev.address().substring(0,6) == "a3:e4:") {
+    // dbg(dev);
+    if (dev.hasManufacturerData()) {
+      int len = dev.manufacturerDataLength();
+      if (len == 20) {
+        uint8_t buf[20];
+        dev.manufacturerData(buf, len);
+        float b = (float)((buf[11] << 8) + buf[10]) / 1000.0;
+        float t = (float)((buf[13] << 8) + buf[12]) / 16.0;
+        float h = (float)((buf[15] << 8) + buf[14]) / 16.0;
+        uint32_t tm = (buf[18] << 16) + (buf[17] << 8) + buf[16];
+        Serial.print(dev.address());
+        Serial.print(" Bat: ");
+        Serial.print(b);
+        Serial.print(" Temp: ");
+        Serial.print(t);
+        Serial.print(" Hum: ");
+        Serial.print(h);
+        Serial.print(" Tm: ");
+        Serial.print(tm);
+        Serial.print(" Rssi: ");
+        Serial.print(dev.rssi());
+        Serial.println();
+      }
+    }
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  while(!Serial);
+  if (!BLE.begin()) {
+    Serial.println("starting Bluetooth® Low Energy module failed!");
+    while (1);
+  }
+  BLE.setEventHandler(BLEDiscovered, advHandler);
+  BLE.scan(true);
+}
+
+void loop() {
+  BLE.poll();
+}
-- 
2.43.0