Added emojuino v0.01

apps.json

@@ -4215,5 +4215,20 @@
       { "name": "qalarm.wid.js", "url": "widget.js" }
     ],
     "data": [{ "name": "qalarm.json" }]
+  },
+  {
+    "id": "emojuno",
+    "name": "Emoji Broadcaster",
+    "shortName": "Emojuino",
+    "version": "0.01",
+    "description": "Emojis & Espruino: advertise Unicode emojis via BLE",
+    "icon": "emojuino.png",
+    "tags": "emoji",
+    "supports" : [ "BANGLEJS2" ],  
+    "readme": "README.md",
+    "storage": [
+      { "name": "emojuno.app.js", "url": "emojuino.js" },
+      { "name": "emojuno.img", "url": "emojuino-icon.js", "evaluate": true }
+    ]
   }
 ]

apps/emojuino/ChangeLog

@@ -0,0 +1 @@
+0.01: New App!

apps/emojuino/README.md

@@ -0,0 +1,23 @@
+# Emojuino
+
+Emojis & Espruino!
+
+## Usage
+
+Select an emoji and then tap to transmit!
+
+## Features
+
+Currently implements a tiny subset of possible Unicode emojis.
+
+## Controls
+
+Swipe left/right to select the emoji to broadcast.  Tap the screen to initiate the broadcast.  Emoji will flash while broadcasting.
+
+## Requests
+
+[Contact reelyActive](https://www.reelyactive.com/contact/) for support/updates.
+
+## Creator
+
+Developed by [jeffyactive](https://github.com/jeffyactive) of [reelyActive](https://www.reelyactive.com)

apps/emojuino/emojuino-icon.js

@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("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"))

apps/emojuino/emojuino.js

@@ -0,0 +1,145 @@
+/**
+ * Copyright reelyActive 2021
+ * We believe in an open Internet of Things
+ */
+
+
+// Emojis are integer pairs with the form [ image, Unicode code point ]
+// For code points see https://unicode.org/emoji/charts/emoji-list.html
+const EMOJIS = [
+    [ ':)', 0x1f642 ], // Slightly smiling
+    [ ':|', 0x1f610 ], // Neutral
+    [ ':(', 0x1f641 ], // Slightly frowning
+    [ '+1', 0x1f44d ], // Thumbs up
+    [ '-1', 0x1f44e ], // Thumbs down
+    [ '<3', 0x02764 ], // Heart
+];
+const EMOJI_TRANSMISSION_MILLISECONDS = 5000;
+const BLINK_PERIOD_MILLISECONDS = 500;
+const TRANSMIT_BUZZ_MILLISECONDS = 200;
+const CYCLE_BUZZ_MILLISECONDS = 50;
+
+// Non-user-configurable constants
+const IMAGE_INDEX = 0;
+const CODE_POINT_INDEX = 1;
+const BTN_WATCH_OPTIONS = { repeat: true, debounce: 20, edge: "falling" };
+const UNICODE_CODE_POINT_ELIDED_UUID = [ 0x49, 0x6f, 0x49, 0x44, 0x55,
+                                         0x54, 0x46, 0x2d, 0x33, 0x32 ];
+
+
+// Global variables
+let emojiIndex = 0;
+let isToggleOn = false;
+let isTransmitting = false;
+let lastDragX = 0;
+let lastDragY = 0;
+
+
+// Cycle through emojis
+function cycleEmoji(isForward) {
+  if(isTransmitting) { return; }
+
+  if(isForward) {
+    emojiIndex = (emojiIndex + 1) % EMOJIS.length;
+  }
+  else if(--emojiIndex < 0) {
+    emojiIndex = EMOJIS.length - 1;
+  }
+
+  drawImage(EMOJIS[emojiIndex][IMAGE_INDEX]);
+  Bangle.buzz(CYCLE_BUZZ_MILLISECONDS);
+}
+
+
+// Handle a touch: transmit displayed emoji
+function handleTouch(zone, event) {
+  if(isTransmitting) { return; }
+
+  let emoji = EMOJIS[emojiIndex];
+  transmitEmoji(emoji[IMAGE_INDEX], emoji[CODE_POINT_INDEX],
+                EMOJI_TRANSMISSION_MILLISECONDS);
+  Bangle.buzz(TRANSMIT_BUZZ_MILLISECONDS);
+}
+
+
+// Transmit the given code point for the given duration in milliseconds,
+// blinking the image once per second.
+function transmitEmoji(image, codePoint, duration) {
+  let instance = [ 0x00, 0x00, (codePoint >> 24) & 0xff,
+                  (codePoint >> 16) & 0xff, (codePoint >> 8) & 0xff,
+                  codePoint & 0xff ];
+
+  require('ble_eddystone_uid').advertise(UNICODE_CODE_POINT_ELIDED_UUID,
+                                         instance);
+  isTransmitting = true;
+
+  let displayIntervalId = setInterval(toggleImage, BLINK_PERIOD_MILLISECONDS,
+                                      image);
+
+  setTimeout(terminateEmoji, duration, displayIntervalId);
+}
+
+
+// Terminate the emoji transmission
+function terminateEmoji(displayIntervalId) {
+  NRF.setAdvertising({ });
+  isTransmitting = false;
+  clearInterval(displayIntervalId);
+  drawImage(EMOJIS[emojiIndex][IMAGE_INDEX]);
+}
+
+
+// Toggle the display between image/off
+function toggleImage(image) {
+  if(isToggleOn) {
+    drawImage(EMOJIS[emojiIndex][IMAGE_INDEX]);
+  }
+  else {
+    g.clear();
+  }
+  isToggleOn = !isToggleOn;
+}
+
+
+// Draw the given emoji
+function drawImage(image) {
+  g.clear();
+  g.drawString(image, g.getWidth() / 2, g.getHeight() / 2);
+  g.flip();
+}
+
+
+// Handle a drag event
+function handleDrag(event) {
+  let isFingerReleased = (event.b === 0);
+
+  if(isFingerReleased) {
+    let isHorizontalDrag = (Math.abs(lastDragX) >= Math.abs(lastDragY)) &&
+                           (lastDragX !== 0);
+
+    if(isHorizontalDrag) {
+      cycleEmoji(lastDragX > 0);
+    }
+  }
+  else {
+    lastDragX = event.dx;
+    lastDragY = event.dy;
+  }
+}
+
+
+// Special function to handle display switch on
+Bangle.on('lcdPower', (on) => {
+  if(on) {
+    drawImage(EMOJIS[emojiIndex][IMAGE_INDEX]);
+  }
+});
+
+
+// On start: display the first emoji and handle drag and touch events
+g.clear();
+g.setFont('Vector', 80);
+g.setFontAlign(0, 0);
+drawImage(EMOJIS[emojiIndex][IMAGE_INDEX]);
+Bangle.on('touch', handleTouch);
+Bangle.on('drag', handleDrag);