From f1ae6c92157f71ebd24495495339aa6e180f11cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20B=C3=BCsgen?= <andre.buesgen@posteo.de>
Date: Thu, 8 Jun 2023 20:50:56 +0200
Subject: [PATCH] feat: :sparkles: add gatthrm bootloader code

---
 apps/bootgatthrm/ChangeLog     |   1 +
 apps/bootgatthrm/README.md     |  16 ++++++++++++
 apps/bootgatthrm/bluetooth.png | Bin 0 -> 1119 bytes
 apps/bootgatthrm/boot.js       |  43 +++++++++++++++++++++++++++++++++
 apps/bootgatthrm/metadata.json |  15 ++++++++++++
 5 files changed, 75 insertions(+)
 create mode 100644 apps/bootgatthrm/ChangeLog
 create mode 100644 apps/bootgatthrm/README.md
 create mode 100644 apps/bootgatthrm/bluetooth.png
 create mode 100644 apps/bootgatthrm/boot.js
 create mode 100644 apps/bootgatthrm/metadata.json

diff --git a/apps/bootgatthrm/ChangeLog b/apps/bootgatthrm/ChangeLog
new file mode 100644
index 000000000..2a37193a3
--- /dev/null
+++ b/apps/bootgatthrm/ChangeLog
@@ -0,0 +1 @@
+0.01: Initial release.
diff --git a/apps/bootgatthrm/README.md b/apps/bootgatthrm/README.md
new file mode 100644
index 000000000..3e559c0a5
--- /dev/null
+++ b/apps/bootgatthrm/README.md
@@ -0,0 +1,16 @@
+# BLE GATT Battery Service
+
+Adds the GATT Battery Service to advertise the percentage of battery currently remaining over Bluetooth.
+
+## Usage
+
+This boot code runs in the background and has no user interface.
+
+## Requests
+
+If you have any suggestions or ideas please post in [this forum thread](http://forum.espruino.com/conversations/351959/),
+or [@jjok](https://github.com/jjok) in your Github issue.
+
+## Creator
+
+[Jonathan Jefferies](https://github.com/jjok)
diff --git a/apps/bootgatthrm/bluetooth.png b/apps/bootgatthrm/bluetooth.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a884a62c1029ae43243f8f58ef9dc3a3327e437
GIT binary patch
literal 1119
zcmV-l1fctgP)<h;3K|Lk000e1NJLTq001xm001xu1^@s6R|5Hm00006VoOIv0RI60
z0RN!9r;`8x1Qba`K~!jg?U_$#99100Kfl>cE5(396`@Dz$wLqIPzYppJ*B(brZX|I
zHChYW;Hm1lL~9feUi^283bm!!Ka0DG`v(zZvk8h?<IUcL9<B7yLK86Aou7wvV0Y3@
z_s!1CLHyp{d$Zr)_wybz``!%vukEtk`g|tSNGDOtip5oRMjv0Vj2vAYj>W%2@c?XT
zES*ZPJU3a{7h{cB0RRrPTh=dGr*a^!0&xQX?DMczGEQwQ4)Y`c0EQJR_Oa?r)W%5x
z0HhI_x1HK2pc0j7k^sKW*iQXQ=2YX6D9n-q_%qO+(!1;R%(3!ggBm9SkZ!j|fYm^E
zR%O?(qZ5_=gLo$b@WZ#`w<NtM1AG@4+Ap5<Q`W7Ig!K*uV7v8M+pRbzzga3~@7+$X
zjRThhLwh~d@3T&AJWLj2fQ(x^hw2<^T{VUHqd2wEEa#>XJ`4=)@t~Y>Yv)Y!7y;OB
zeO8rs?l*_RK!7NCKLhRU0}||esEhzCyx)O;I=Y5XtC(@B$NTljy45^tT?SHJ10ruX
zOS$(<@@!=?P@`0+S)vnkL!=bB)DOg{Q*}L+GO)XAK;&$g@DSo22n#XlR9!)?07D(!
zDxz;SOSunBbNCAVm!5U2c~9jVx@WU3=u3)pJ!ur3cu;sm-)NQ!pM}i;0{{TnZpA^Z
ztASvff%b#?JdoF$<=hv8)Q159pyx{LBoBD4S<asyv^GQl07ejPMPFSm7cN9m7a{_H
zz98D7dTME*a4D*q5Fr5U2+>yI<Z>zhb(HlW;>}!J+1=AqCDO_A6&XN}=e)0!pcibn
z_HtD9d_@BAknp}zDCb9=>MK#y^fmCZ_8GoYkv>KTT7e$nHy?0mXP*UpX*>1PgVgRc
z3#Fdn#d~2}5mATky^{qxZ#%U!Ve5AonQN!;&C-!_@cJGbKmk6^xYakqWbkDSU>e?6
zF9=onXw<2mHO=A62q0{DUp*iY<bB(%&zfZMWp*M{nIaHg(c}Gu_thvBYKV7&;E_^w
zE)0Ybz!O7j(`>B(+@Ja7a-n2aQU$C-1do)^M)j_l7Z`m-DHf;N2WNgeIsEr6@kFmJ
z8_YbwGn3bL?QPY+LOBr_TDRcEMmfJ|;s=HR0IQ!ry9xAti1(G5Y&@#1^&${_&Hfi+
z9c`2jUpMuHh<BsDY^SE3?R2~KR4bLP0S5z@-Vn9&OACi@hOL#zhqzWM{Uh*npt~Wu
z;VvyWcLwoJ>g{we{KebpwXs3NLqaRiAr)b6sg!$n>kZxDN)lj0k<-mm?qZatNdeqJ
z)Lky+8&Ml40dUjvB)_tlzY&Ld+&A&{bh~wEWib~^c!+ZagoS&X-t=l^d_A@r#J2*U
lKABp3ezkHW*6{xc{R@3@kib`1LqGrk002ovPDHLkV1l684mkh-

literal 0
HcmV?d00001

diff --git a/apps/bootgatthrm/boot.js b/apps/bootgatthrm/boot.js
new file mode 100644
index 000000000..9f1ec1584
--- /dev/null
+++ b/apps/bootgatthrm/boot.js
@@ -0,0 +1,43 @@
+(() => {
+  function setupHRMAdvertising() {
+    /*
+     * This function preparse BLE heart rate Advertisement.
+     */
+    NRF.setServices({
+      0x180D: { // heart_rate
+        0x2A37: { // heart_rate_measurement
+          notify: true,
+          value: [0x06, 0],
+        }
+      }
+    }, { advertise: ['180D'] });
+
+  }
+
+  function updateBLEHeartRate(hrm) {
+    /*
+     * Send updated heart rate measurement via BLE
+     */
+    if (hrm === undefined) return;
+    try {
+      NRF.updateServices({
+        '180d': {
+          '2a37': {
+            value: [
+              0x06, //
+              hrm
+            ],
+            notify: true
+          }
+        }
+      });
+    } catch (error) {
+      // After setupHRMAdvertising() BLE needs to restart.
+      // We force a disconnect if the Bangle was connected while setting HRM
+      NRF.disconnect();
+    }
+  }
+
+  setupHRMAdvertising();
+  Bangle.on("HRM", function (hrm) { updateBLEHeartRate(hrm.bpm); });
+})();
diff --git a/apps/bootgatthrm/metadata.json b/apps/bootgatthrm/metadata.json
new file mode 100644
index 000000000..e7bfb0762
--- /dev/null
+++ b/apps/bootgatthrm/metadata.json
@@ -0,0 +1,15 @@
+{
+  "id": "bootgatthrm",
+  "name": "BLE GATT HRM Service",
+  "shortName": "BLE HRM Service",
+  "version": "0.01",
+  "description": "Adds the GATT HRM Service to advertise the measured HRM over Bluetooth.\n",
+  "icon": "bluetooth.png",
+  "type": "bootloader",
+  "tags": "hrm,health,ble,bluetooth,gatt",
+  "supports": ["BANGLEJS","BANGLEJS2"],
+  "readme": "README.md",
+  "storage": [
+    {"name":"gatthrm.boot.js","url":"boot.js"}
+  ]
+}