From 5828e55dcef8c0e6504f240cbd5757a203448d45 Mon Sep 17 00:00:00 2001
From: Martin Boonk <martin@boonk.info>
Date: Thu, 20 Jan 2022 18:33:48 +0100
Subject: [PATCH] Adds app for recording HRM and accelerometer events

---
 apps/hrmaccevents/ChangeLog     |   1 +
 apps/hrmaccevents/app.png       | Bin 0 -> 553 bytes
 apps/hrmaccevents/custom.html   | 190 ++++++++++++++++++++++++++++++++
 apps/hrmaccevents/metadata.json |  14 +++
 4 files changed, 205 insertions(+)
 create mode 100644 apps/hrmaccevents/ChangeLog
 create mode 100644 apps/hrmaccevents/app.png
 create mode 100644 apps/hrmaccevents/custom.html
 create mode 100644 apps/hrmaccevents/metadata.json
diff --git a/apps/hrmaccevents/ChangeLog b/apps/hrmaccevents/ChangeLog
new file mode 100644
index 000000000..5560f00bc
--- /dev/null
+++ b/apps/hrmaccevents/ChangeLog
@@ -0,0 +1 @@
+0.01: New App!
diff --git a/apps/hrmaccevents/app.png b/apps/hrmaccevents/app.png
new file mode 100644
index 0000000000000000000000000000000000000000..337b3cdc8454b814f9809e00f143ea53e7f7e438
GIT binary patch
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diff --git a/apps/hrmaccevents/custom.html b/apps/hrmaccevents/custom.html
new file mode 100644
index 000000000..c0098eb12
--- /dev/null
+++ b/apps/hrmaccevents/custom.html
@@ -0,0 +1,190 @@
+<html>
+ <head>
+  <title>Bangle.js Accelerometer streaming</title>
+ </head>
+ <body>
+<script src="https://www.puck-js.com/puck.js"></script>
+<button id="btnConnect">Connect</button>
+<button id="btnStop">Stop</button>
+<button id="btnReset">Reset</button>
+<button id="btnSave">Save CSV</button>
+<p id="result"></p>
+<script>
+var BANGLE_CODE = String.raw`
+var accData=[];
+var maxSize=0;
+var filename="log.csv";
+//0 print, 1 BT, 2 File
+var method=1;
+
+var running = true;
+var gotHRMraw = false;
+var gotBTHRM = false;
+var gotHRM = false;
+var gotAcc = false;
+
+function gotAll(){
+  return running && gotBTHRM && gotHRM && gotHRMraw && gotAcc;
+}
+
+Bangle.setHRMPower(1);
+if (Bangle.setBTHRMPower){
+  print("Use BTHRM");
+  Bangle.setBTHRMPower(1);
+  Bangle.setBTHRMPower(1);
+} else {
+  gotBTHRM = true;
+}
+
+var write=null;
+
+if (method == 2){
+  var f = require('Storage').open(filename,"w");
+  f.erase();
+  f = require('Storage').open(filename,"a");
+  write = function(str){f.write(str);};
+} else if (method == 1){
+  write = function(str){Bluetooth.print("DATA: " + str);};
+} else {
+  write=print;
+}
+
+write("Time,Acc_x,Acc_y,Acc_z,HRM_b,HRM_c,HRM_r,HRM_f,PPG_r,PPG_o,BTHRM\n");
+
+
+function writeAcc(e){
+  gotAcc = true;
+  e.date=Date.now();
+  accData.push(e);
+  accData.splice(0, accData.length - maxSize);
+}
+
+function writeAccDirect(e){
+  gotAcc = true;
+  if (!gotAll()) return;
+  write(Date.now()+","+e.x+","+e.y+","+e.z+",,,,,,,,\n");
+}
+
+function writeBTHRM(e){
+  gotBTHRM = true;
+  if (!gotAll()) return;
+  write(Date.now()+",,,,,,,,,,"+e.bpm+"\n");
+}
+
+function writeHRM(e){
+  gotHRM = true;
+  if (!gotAll()) return;
+  while(accData.length > 0){
+    var c = accData.shift();
+    if (c) write(c.date+","+c.x+","+c.y+","+c.z+",,,,,,,,\n");
+  }
+  write(Date.now()+",,,,"+e.bpm+","+e.confidence+",,,,\n");
+}
+
+function writeHRMraw(e){
+  gotHRMraw = true;
+  if (!gotAll()) return;
+  write(Date.now()+",,,,,,"+e.raw+","+e.filt+","+e.vcPPG+","+e.vcPPGoffs+",\n");
+}
+
+if(maxSize){
+  Bangle.on("accel", writeAcc);
+} else {
+  Bangle.on("accel", writeAccDirect);
+}
+Bangle.on("HRM-raw", writeHRMraw);
+Bangle.on("HRM", writeHRM);
+Bangle.on("BTHRM", writeBTHRM);
+
+g.clear();
+g.setColor(1,0,0);
+g.fillRect(0,0,g.getWidth(),g.getHeight());
+
+
+var intervalId = -1;
+intervalId = setInterval(()=>{
+  print("Checking... Acc:" + gotAcc + " BTHRM:" + gotBTHRM + " HRM:"  + gotHRM + " HRM raw:"  + gotHRMraw);
+  if (gotAll()){
+    g.setColor(0,1,0);
+    g.fillRect(0,0,g.getWidth(),g.getHeight());
+    clearInterval(intervalId);
+  }
+}, 1000);
+
+if (Bangle.setBTHRMPower){
+  intervalId = setInterval(()=>{
+    if (!Bangle.isBTHRMOn()) Bangle.setBTHRMPower(1);
+  }, 5000);
+}
+`;
+
+var connection;
+var lineCount=-1;
+
+
+function stop (){
+    connection.write("running = false; \n");
+    connection.close();
+    connection = undefined;
+}
+
+document.getElementById("btnSave").addEventListener("click", function() {
+  var h = document.createElement('a');
+  h.href = 'data:text/csv;charset=utf-8,' + encodeURI(localStorage.getItem("data"));    
+  h.target = '_blank';
+  h.download = "DATA.csv";
+  h.click();
+});
+document.getElementById("btnReset").addEventListener("click", function() {
+  if (connection) {
+    stop();
+  }
+  document.getElementById("result").innerText="";
+  lineCount=-1;
+  localStorage.removeItem("data");
+});
+document.getElementById("btnStop").addEventListener("click", function() {
+  if (connection) {
+    stop();
+  }
+});
+document.getElementById("btnConnect").addEventListener("click", function() {
+  localStorage.setItem("data", "");
+  if (connection) {
+    stop();
+    document.getElementById("result").innerText="0";
+    lineCount=-1;
+  }
+  Puck.connect(function(c) {
+    if (!c) {
+      console.log("Couldn't connect!\n");
+      return;
+    }
+    connection = c;
+    var buf = "";
+    connection.on("data", function(d) {
+      buf += d;
+      var l = buf.split("\n");
+      buf = l.pop();
+      l.forEach(onLine);
+    });
+    connection.write("reset();\n", function() {
+      setTimeout(function() {
+        connection.write("\x03\x10if(1){"+BANGLE_CODE+"}\n",
+          function() { console.log("Ready..."); });
+      }, 1500);
+    });
+  });
+});
+
+function onLine(line) {
+  console.log("RECEIVED:"+line);
+  if (line.startsWith("DATA:")){
+    localStorage.setItem("data", localStorage.getItem("data") + line.substr(5) + "\n");
+    lineCount++;
+    document.getElementById("result").innerText="Captured events: " + lineCount;
+  }
+}
+</script>
+ </body>
+</html>
diff --git a/apps/hrmaccevents/metadata.json b/apps/hrmaccevents/metadata.json
new file mode 100644
index 000000000..de59dceac
--- /dev/null
+++ b/apps/hrmaccevents/metadata.json
@@ -0,0 +1,14 @@
+{
+  "id": "hrmaccevents",
+  "name": "HRM Accelerometer event recorder",
+  "shortName": "HRM ACC recorder",
+  "version": "0.01",
+  "type": "ram",
+  "description": "Record HRM and accelerometer events in high resolution to CSV files in your browser",
+  "icon": "app.png",
+  "tags": "debug",
+  "supports": ["BANGLEJS","BANGLEJS2"],
+  "custom": "custom.html",
+  "customConnect": true,
+  "storage": [ ]
+}
