From e9c8a7f67f21d7c21cae994489cf502503f9f8ad Mon Sep 17 00:00:00 2001
From: deirdreobyrne <deirdre.dub@gmail.com>
Date: Wed, 26 Jun 2024 18:01:18 +0100
Subject: [PATCH] Initial version

---
 apps/bootbthomebatt/ChangeLog     |   1 +
 apps/bootbthomebatt/README.md     |  13 +++++++++++++
 apps/bootbthomebatt/bluetooth.png | Bin 0 -> 1119 bytes
 apps/bootbthomebatt/boot.js       |  10 ++++++++++
 apps/bootbthomebatt/metadata.json |  15 +++++++++++++++
 5 files changed, 39 insertions(+)
 create mode 100644 apps/bootbthomebatt/ChangeLog
 create mode 100644 apps/bootbthomebatt/README.md
 create mode 100644 apps/bootbthomebatt/bluetooth.png
 create mode 100644 apps/bootbthomebatt/boot.js
 create mode 100644 apps/bootbthomebatt/metadata.json

diff --git a/apps/bootbthomebatt/ChangeLog b/apps/bootbthomebatt/ChangeLog
new file mode 100644
index 000000000..2a37193a3
--- /dev/null
+++ b/apps/bootbthomebatt/ChangeLog
@@ -0,0 +1 @@
+0.01: Initial release.
diff --git a/apps/bootbthomebatt/README.md b/apps/bootbthomebatt/README.md
new file mode 100644
index 000000000..990dcb16b
--- /dev/null
+++ b/apps/bootbthomebatt/README.md
@@ -0,0 +1,13 @@
+# BLE BTHome Battery Service
+
+Broadcasts battery remaining percentage over BLE using the BTHome protocol
+
+## Usage
+
+This boot code runs in the background and has no user interface.
+
+Based on [BootGATTBat](https://github.com/espruino/BangleApps/tree/master/apps/bootgattbat) by [Jonathan Jefferies](https://github.com/jjok).
+
+## Creator
+
+[Deirdre O'Byrne](https://github.com/deirdreobyrne)
diff --git a/apps/bootbthomebatt/bluetooth.png b/apps/bootbthomebatt/bluetooth.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a884a62c1029ae43243f8f58ef9dc3a3327e437
GIT binary patch
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diff --git a/apps/bootbthomebatt/boot.js b/apps/bootbthomebatt/boot.js
new file mode 100644
index 000000000..b585fb3c5
--- /dev/null
+++ b/apps/bootbthomebatt/boot.js
@@ -0,0 +1,10 @@
+(() => {
+  var btHomeSequenceNo = 0;
+  function advertiseBTHomeBattery() {
+    require("ble_advert").set(0xFCD2, [0x40,0x00,btHomeSequenceNo,0x01,E.getBattery()]);
+    btHomeSequenceNo = (btHomeSequenceNo + 1) & 255;
+  }
+
+  setInterval(advertiseBTHomeBattery, 5 * 60 * 1000);
+  advertiseBattery();
+})();
diff --git a/apps/bootbthomebatt/metadata.json b/apps/bootbthomebatt/metadata.json
new file mode 100644
index 000000000..9deebfdc0
--- /dev/null
+++ b/apps/bootbthomebatt/metadata.json
@@ -0,0 +1,15 @@
+{
+  "id": "bootbthomebatt",
+  "name": "BLE BTHome Battery Service",
+  "shortName": "BTHome Battery Service",
+  "version": "0.01",
+  "description": "Broadcasts battery remaining over bluetooth using the BTHome protocol.\n",
+  "icon": "bluetooth.png",
+  "type": "bootloader",
+  "tags": "battery,ble,bluetooth,bthome",
+  "supports": ["BANGLEJS2"],
+  "readme": "README.md",
+  "storage": [
+    {"name":"bthomebat.boot.js","url":"boot.js"}
+  ]
+}