From d7e9469909e769fcf9b69081682740d09f92e77d Mon Sep 17 00:00:00 2001
From: Gordon Williams <gw@pur3.co.uk>
Date: Tue, 19 Jul 2022 17:13:01 +0100
Subject: [PATCH] Added automatic Espruino programmer tool

---
 apps/espruinoctrl/README.md     |   2 +-
 apps/espruinoprog/ChangeLog     |   1 +
 apps/espruinoprog/README.md     |  42 +++++++++
 apps/espruinoprog/app-icon.js   |   1 +
 apps/espruinoprog/app.js        |  90 ++++++++++++++++++++
 apps/espruinoprog/app.png       | Bin 0 -> 9645 bytes
 apps/espruinoprog/custom.html   | 145 ++++++++++++++++++++++++++++++++
 apps/espruinoprog/metadata.json |  17 ++++
 8 files changed, 297 insertions(+), 1 deletion(-)
 create mode 100644 apps/espruinoprog/ChangeLog
 create mode 100644 apps/espruinoprog/README.md
 create mode 100644 apps/espruinoprog/app-icon.js
 create mode 100644 apps/espruinoprog/app.js
 create mode 100644 apps/espruinoprog/app.png
 create mode 100644 apps/espruinoprog/custom.html
 create mode 100644 apps/espruinoprog/metadata.json

diff --git a/apps/espruinoctrl/README.md b/apps/espruinoctrl/README.md
index a7bca662c..7b2e434e7 100644
--- a/apps/espruinoctrl/README.md
+++ b/apps/espruinoctrl/README.md
@@ -17,7 +17,7 @@ showing available Espruino devices is popped up.
 device being connected to. Use this if you want to print data - eg: `print(E.getBattery())`
 
 When done, click 'Upload'. Your changes will be saved to local storage
-so they'll be remembered next time you upload from the same device.s
+so they'll be remembered next time you upload from the same device.
 
 ## Usage
 
diff --git a/apps/espruinoprog/ChangeLog b/apps/espruinoprog/ChangeLog
new file mode 100644
index 000000000..5560f00bc
--- /dev/null
+++ b/apps/espruinoprog/ChangeLog
@@ -0,0 +1 @@
+0.01: New App!
diff --git a/apps/espruinoprog/README.md b/apps/espruinoprog/README.md
new file mode 100644
index 000000000..a8f15d3e9
--- /dev/null
+++ b/apps/espruinoprog/README.md
@@ -0,0 +1,42 @@
+# Espruino Programmer
+
+Finds Bluetooth devices with a specific name (eg `Puck.js`), connects and uploads code. Great for programming many devices at once!
+
+**WARNING:** This will reprogram **any matching Espruino device within range** while
+the app is running. Unless you are careful to remove other devices from the area or
+turn them off, you could find some of your devices unexpectedly get programmed!
+
+## Customising
+
+Click on the Customise button in the app loader to set up the programmer.
+
+* First you need to choose the kind of devices you want to upload to. This is
+the text that should match the Bluetooth advertising name. So `Puck.js` for Puck.js
+devices, or `Bangle.js` for Bangles.
+* Now paste in the code you want to write to the device. This is automatically
+written to flash (`.bootcde`). See https://www.espruino.com/Saving#save-on-send-to-flash-
+for more information.
+* Now enter the code that should be sent **after** programming. This code
+should make the device so it doesn't advertise on Bluetooth with the Bluetooth
+name you entered for the first item. It may also help if it indicates to you that
+the device is programmed properly.
+  * You could turn advertising off with `NRF.sleep()`
+  * You could change the advertising name with `NRF.setAdvertising({},{name:"Ok"});`
+  * On a Bangle, you could turn it off with `Bangle.off()`
+* Finally scroll down and click `Upload`
+* Now you can run the new `Programmer` app on the Bangle.
+
+## Usage
+
+Just run the app, and as soon as it starts it'll start scanning for
+devices to upload to!
+
+To stop scanning, long-press the button to return to the clock.
+
+## Notes
+
+* Right now the Espruino Tools used here are unaware of the device they're writing to,
+and as a result they don't use Storage and so the size of the files you can
+write to the device are quite limited. You should be find with up to 4k of code.
+* Currently, code is not minified before upload (so you need to supply pre-minified
+  code if you want that)
diff --git a/apps/espruinoprog/app-icon.js b/apps/espruinoprog/app-icon.js
new file mode 100644
index 000000000..532c60eea
--- /dev/null
+++ b/apps/espruinoprog/app-icon.js
@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEw4cA/4AB7wJB8/5uX+7uUgH41lSKf4AKpMkyQCCggEDAQVtCAMCCNWUx9JufSrmkCJeKqsiytICJtFkWRCJWAEaARCI5BkEoAGBymJ9eSvXkCJZ9JCLI1DyM9uQRLNYWRpRZMR5ARWAwSPCuWR9MuCJZZIgARGPouTCIcSA4OQAoMW7dt2wCEEZECCI1oCJAADrZyBAAcDuQRByOABQkKDAvbtwRBxu24AMFAAcGCIY/B7AQIhpOC3MjKIVsCJe3jYRCwiPEkARBQg227ieDAQO0CJPhCKHJCK1N0ARI28JCIjUDEY4OBzWRfAoRG3ARBygRH3oPBswRB4QjFfAYgCt9pYoJoEkmbCJONCI1ACJGSiQRE7TXDCIuQEYkmCIhpDEYSCFCIj2DCIOTrYRE6ARDAH4AHA"))
diff --git a/apps/espruinoprog/app.js b/apps/espruinoprog/app.js
new file mode 100644
index 000000000..b939d4007
--- /dev/null
+++ b/apps/espruinoprog/app.js
@@ -0,0 +1,90 @@
+var uart; // require("ble_uart")
+var device; // BluetoothDevice
+var uploadTimeout; // a timeout used during upload - if we disconnect, kill this
+Bangle.loadWidgets();
+
+var json = require("Storage").readJSON("espruinoprog.json",1);
+/*var json = { // for example
+  namePrefix : "Puck.js ",
+  code : "E.setBootCode('digitalPulse(LED2,1,100);')",
+  post : "LED.set();NRF.sleep()",
+};*/
+
+if ("object" != typeof json) {
+  E.showAlert("JSON not found","Programmer").then(() => load());
+  throw new Error("JSON not found");
+  // stops execution
+}
+
+// Set up terminal
+var R = Bangle.appRect;
+var termg = Graphics.createArrayBuffer(R.w, R.h, 1, {msb:true});
+termg.setFont("6x8");
+var term;
+
+function showTerminal() {
+  E.showMenu(); // clear anything that was drawn
+  if (term) term.print(""); // redraw terminal
+}
+
+function scanAndConnect() {
+  termg.clear();
+  term = require("VT100").connect(termg, {
+    charWidth : 6,
+    charHeight : 8
+  });
+  term.print = str => {
+    for (var i of str) term.char(i);
+    g.reset().drawImage(termg,R.x,R.y);
+  };
+  term.print(`\r\nScanning...\r\n`);
+  NRF.requestDevice({ filters: [{ namePrefix: json.namePrefix }] }).then(function(dev) {
+    term.print(`Found ${dev.name||dev.id.substr(0,17)}\r\n`);
+    device = dev;
+
+    term.print(`Connect to ${dev.name||dev.id.substr(0,17)}...\r\n`);
+    device.removeAllListeners();
+    device.on('gattserverdisconnected', function(reason) {
+      if (!uart) return;
+      term.print(`\r\nDISCONNECTED (${reason})\r\n`);
+      uart = undefined;
+      device = undefined;
+      if (uploadTimeout) clearTimeout(uploadTimeout);
+      uploadTimeout = undefined;
+      setTimeout(scanAndConnect, 1000);
+    });
+    require("ble_uart").connect(device).then(function(u) {
+      uart = u;
+      term.print("Connected...\r\n");
+      uart.removeAllListeners();
+      uart.on('data', function(d) { term.print(d); });
+      uart.write(json.code+"\n").then(() => {
+        term.print("\r\nUpload Complete...\r\n");
+        // main upload completed - wait a bit
+        uploadTimeout = setTimeout(function() {
+          term.print("\r\nFinal Upload...\r\n");
+          // now upload the code to run after...
+          uart.write(json.post+"\n").then(() => {
+            term.print("\r\nDone.\r\n");
+            // now wait and disconnect (if not already done!)
+            uploadTimeout = setTimeout(function() {
+              term.print("\r\nDisconnecting...\r\n");
+              if (uart) uart.disconnect();
+            }, 500);
+          });
+        }, 1000);
+      });
+    });
+  }).catch(err => {
+    if (err.toString().startsWith("No device found")) {
+      // expected - try again
+      scanAndConnect();
+    } else
+      term.print(`\r\ERROR ${err.toString()}\r\n`);
+  });
+}
+
+// now start
+Bangle.drawWidgets();
+showTerminal();
+scanAndConnect();
diff --git a/apps/espruinoprog/app.png b/apps/espruinoprog/app.png
new file mode 100644
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diff --git a/apps/espruinoprog/custom.html b/apps/espruinoprog/custom.html
new file mode 100644
index 000000000..c994aaea7
--- /dev/null
+++ b/apps/espruinoprog/custom.html
@@ -0,0 +1,145 @@
+<html>
+
+<head>
+    <link rel="stylesheet" href="../../css/spectre.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/addon/lint/lint.min.css">
+</head>
+
+<body>
+    <script src="../../core/lib/customize.js"></script>
+    <script src="../../core/lib/espruinotools.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/mode/javascript/javascript.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/addon/lint/lint.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/addon/lint/javascript-lint.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.52.2/addon/hint/javascript-hint.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jshint/2.11.0/jshint.min.js"></script>
+    <p>Upload code to devices with names starting with:</p>
+    <p><input type="text" id="nameprefix"></input></p>
+    <p>Enter your program to upload here:</p>
+    <p><textarea id="js-code"></textarea></p>
+    <p>Enter the code to send after upload here:</p>
+    <p><textarea id="post-code"></textarea></p>
+    <p>Then click <button id="upload" class="btn btn-primary">Upload</button>&nbsp;<span id="btninfo" style="color:orange"></span> </p>
+    <p><a id="setdefault">Click here</a> to reset to defaults.</p>
+    <script>
+  const LS_JSCODE = "espruinoprog.code";
+  const LS_POSTCODE = "espruinoprog.postcode";
+  const LS_NAMEPREFIX = "espruinoprog.namePrefix";
+  var jseditor,posteditor;
+
+  function setDefaults() {
+    if (localStorage.getItem(LS_JSCODE) === null) {
+        localStorage.setItem(LS_JSCODE, `// Flash LED2 every 2 seconds
+setInterval(function() {
+  LED2.set();
+  setTimeout(function() {
+    LED2.reset();
+  }, 100);
+}, 2000);`);
+    }
+    if (localStorage.getItem(LS_POSTCODE) === null) {
+        localStorage.setItem(LS_POSTCODE, `// Turn red LED on to show programmed
+// Bluetooth off to stop this getting re-programmed
+LED.set();NRF.sleep();`);
+    }
+    if (localStorage.getItem(LS_NAMEPREFIX) === null) {
+        localStorage.setItem(LS_NAMEPREFIX, "Puck.js");
+    }
+    document.getElementById("js-code").value = localStorage.getItem(LS_JSCODE);
+    if (jseditor) jseditor.setValue(document.getElementById("js-code").value);
+    document.getElementById("post-code").value = localStorage.getItem(LS_POSTCODE);
+    if (posteditor) posteditor.setValue(document.getElementById("post-code").value);
+    document.getElementById("nameprefix").value = localStorage.getItem(LS_NAMEPREFIX);
+  }
+  setDefaults();
+
+
+
+  // The code editor
+  var lintFlags = {
+      esversion: 6, // Enable ES6 for literals, arrow fns, binary
+      evil: true, // don't warn on use of strings in setInterval
+      laxbreak: true, // don't warn about newlines in expressions
+      laxcomma: true // don't warn about commas at the start of the line
+  };
+  jseditor = CodeMirror.fromTextArea(document.getElementById("js-code"), {
+      width: "100%",
+      height: "auto",
+      matchBrackets: true,
+      mode: { name: "javascript", globalVars: false },
+      lineWrapping: true,
+      showTrailingSpace: true,
+      lint: lintFlags,
+      gutters: ["CodeMirror-linenumbers", "CodeMirror-lint-markers"],
+      lineNumbers: true
+  });
+  posteditor = CodeMirror.fromTextArea(document.getElementById("post-code"), {
+      width: "100%",
+      height: "auto",
+      matchBrackets: true,
+      mode: { name: "javascript", globalVars: false },
+      lineWrapping: true,
+      showTrailingSpace: true,
+      lint: lintFlags,
+      gutters: ["CodeMirror-linenumbers", "CodeMirror-lint-markers"],
+      lineNumbers: true
+  });
+  function hasWarnings() {
+    return jseditor.state.lint.marked.length!=0 || posteditor.state.lint.marked.length!=0;
+  }
+  var editorChangedTimeout;
+  function editorChanged() {
+    if (editorChangedTimeout) clearTimeout(editorChangedTimeout);
+    editorChangedTimeout = setTimeout(function() {
+      if (hasWarnings()) {
+        document.getElementById("btninfo").innerHTML = "There are warnings in the code to be uploaded";
+        document.getElementById("upload").classList.add("disabled");
+      } else {
+        document.getElementById("btninfo").innerHTML = "";
+        document.getElementById("upload").classList.remove("disabled");
+      }
+    }, 500);
+  }
+
+  jseditor.on("change", editorChanged);
+  posteditor.on("change", editorChanged);
+
+  document.getElementById("upload").addEventListener("click", function() {
+    if (!hasWarnings()) {
+      var jscode = jseditor.getValue();
+      var postcode = posteditor.getValue();
+      var namePrefix = document.getElementById("nameprefix").value;
+      localStorage.setItem(LS_JSCODE, jscode);
+      localStorage.setItem(LS_POSTCODE, postcode);
+      localStorage.setItem(LS_NAMEPREFIX, namePrefix);
+
+      Espruino.transform(jscode, {
+        SET_TIME_ON_WRITE : false, // time would just be out of date
+        SAVE_ON_SEND : 1, // save to flash
+        LOAD_STORAGE_FILE : 0, // do not load from storage after saving
+        // PRETOKENISE : true,
+        // MINIFICATION_LEVEL : "ESPRIMA", // maybe?
+      }).then(content => {
+        sendCustomizedApp({
+          storage: [{ name: "espruinoprog.json", content: JSON.stringify({
+              namePrefix : namePrefix,
+              code : Espruino.Core.CodeWriter.reformatCode(content),
+              post : Espruino.Core.CodeWriter.reformatCode(postcode)
+          })}]
+        });
+      });
+    }
+  });
+  document.getElementById("setdefault").addEventListener("click", function(e) {
+    e.preventDefault();
+    localStorage.removeItem(LS_JSCODE);
+    localStorage.removeItem(LS_POSTCODE);
+    localStorage.removeItem(LS_NAMEPREFIX);
+    setDefaults();
+  });
+  </script>
+</body>
+
+</html>
diff --git a/apps/espruinoprog/metadata.json b/apps/espruinoprog/metadata.json
new file mode 100644
index 000000000..75fcf5a79
--- /dev/null
+++ b/apps/espruinoprog/metadata.json
@@ -0,0 +1,17 @@
+{
+  "id": "espruinoprog",
+  "name": "Espruino Programmer",
+  "shortName": "Programmer",
+  "version": "0.01",
+  "description": "Finds Bluetooth devices with a specific name (eg 'Puck.js'), connects and uploads code. Great for programming many devices at once!",
+  "icon": "app.png",
+  "tags": "tool,bluetooth",
+  "supports": ["BANGLEJS","BANGLEJS2"],
+  "readme": "README.md",
+  "custom": "custom.html",
+  "storage": [
+    {"name":"espruinoprog.app.js","url":"app.js"},
+    {"name":"espruinoprog.img","url":"app-icon.js","evaluate":true},
+    {"name":"espruinoprog.json"}
+  ]
+}