diff --git a/apps.json b/apps.json index f307a6feb..a0d543cd8 100644 --- a/apps.json +++ b/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 } + ] } ] diff --git a/apps/emojuino/ChangeLog b/apps/emojuino/ChangeLog new file mode 100644 index 000000000..5560f00bc --- /dev/null +++ b/apps/emojuino/ChangeLog @@ -0,0 +1 @@ +0.01: New App! diff --git a/apps/emojuino/README.md b/apps/emojuino/README.md new file mode 100644 index 000000000..13879437e --- /dev/null +++ b/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) diff --git a/apps/emojuino/emojuino-icon.js b/apps/emojuino/emojuino-icon.js new file mode 100644 index 000000000..d56749250 --- /dev/null +++ b/apps/emojuino/emojuino-icon.js @@ -0,0 +1 @@ +require("heatshrink").decompress(atob("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")) \ No newline at end of file diff --git a/apps/emojuino/emojuino.js b/apps/emojuino/emojuino.js new file mode 100644 index 000000000..3de92fa6c --- /dev/null +++ b/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); diff --git a/apps/emojuino/emojuino.png b/apps/emojuino/emojuino.png new file mode 100644 index 000000000..614cc025e Binary files /dev/null and b/apps/emojuino/emojuino.png differ