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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,5 +1,5 @@ # SPDX-License-Identifier: MIT # Copyright (c) 2025 David Lechner <dlechner@baylibre.com> # # /// script # dependencies = [ @@ -309,14 +309,16 @@ def convert(data: Data) -> list[bytes]: async def main(data: Data): # try this first so that it can fail early before connecting to the device chunks = convert(data) print("Scanning for LSLED device...") device = await BleakScanner.find_device_by_name("LSLED") if device is None: print("Device not found") return print("Found LSLED, connecting...") async with BleakClient(device) as client: for chunk in chunks: await client.write_gatt_char(LSLED_CHAR_UUID, chunk, response=True) -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,339 @@ # SPDX-License-Identifier: MIT # Copyright (c) 2024 David Lechner <dlechner@baylibre.com> # # /// script # dependencies = [ # "bleak", # ] # /// """ Simple script to send messages to a LSLED badge over BLE. Run with: uv run --script badgemagic.py """ import asyncio from dataclasses import dataclass from datetime import datetime from enum import IntEnum from bleak import BleakClient, BleakScanner LSLED_CHAR_UUID = "0000fee1-0000-1000-8000-00805f9b34fb" CHAR_CODES = { "0": "007CC6CEDEF6E6C6C67C00", "1": "0018387818181818187E00", "2": "007CC6060C183060C6FE00", "3": "007CC606063C0606C67C00", "4": "000C1C3C6CCCFE0C0C1E00", "5": "00FEC0C0FC060606C67C00", "6": "007CC6C0C0FCC6C6C67C00", "7": "00FEC6060C183030303000", "8": "007CC6C6C67CC6C6C67C00", "9": "007CC6C6C67E0606C67C00", "#": "006C6CFE6C6CFE6C6C0000", "&": "00386C6C3876DCCCCC7600", "_": "00000000000000000000FF", "-": "0000000000FE0000000000", "?": "007CC6C60C181800181800", "@": "00003C429DA5ADB6403C00", "(": "000C183030303030180C00", ")": "0030180C0C0C0C0C183000", "=": "0000007E00007E00000000", "+": "00000018187E1818000000", "!": "00183C3C3C181800181800", "'": "1818081000000000000000", ":": "0000001818000018180000", "%": "006092966C106CD2920C00", "/": "000002060C183060C08000", '"': "6666222200000000000000", "[": "003C303030303030303C00", "]": "003C0C0C0C0C0C0C0C3C00", " ": "0000000000000000000000", "*": "000000663CFF3C66000000", ",": "0000000000000030301020", ".": "0000000000000000303000", "$": "107CD6D6701CD6D67C1010", "~": "0076DC0000000000000000", "{": "000E181818701818180E00", "}": "00701818180E1818187000", "<": "00060C18306030180C0600", ">": "006030180C060C18306000", "^": "386CC60000000000000000", "`": "1818100800000000000000", ";": "0000001818000018180810", "\\": "0080C06030180C06020000", "|": "0018181818001818181800", "a": "00000000780C7CCCCC7600", "b": "00E060607C666666667C00", "c": "000000007CC6C0C0C67C00", "d": "001C0C0C7CCCCCCCCC7600", "e": "000000007CC6FEC0C67C00", "f": "001C363078303030307800", "g": "00000076CCCCCC7C0CCC78", "h": "00E060606C76666666E600", "i": "0018180038181818183C00", "j": "0C0C001C0C0C0C0CCCCC78", "k": "00E06060666C78786CE600", "l": "0038181818181818183C00", "m": "00000000ECFED6D6D6C600", "n": "00000000DC666666666600", "o": "000000007CC6C6C6C67C00", "p": "000000DC6666667C6060F0", "q": "0000007CCCCCCC7C0C0C1E", "r": "00000000DE76606060F000", "s": "000000007CC6701CC67C00", "t": "00103030FC303030341800", "u": "00000000CCCCCCCCCC7600", "v": "00000000C6C6C66C381000", "w": "00000000C6D6D6D6FE6C00", "x": "00000000C66C38386CC600", "y": "000000C6C6C6C67E060CF8", "z": "00000000FE8C183062FE00", "A": "00386CC6C6FEC6C6C6C600", "B": "00FC6666667C666666FC00", "C": "007CC6C6C0C0C0C6C67C00", "D": "00FC66666666666666FC00", "E": "00FE66626878686266FE00", "F": "00FE66626878686060F000", "G": "007CC6C6C0C0CEC6C67E00", "H": "00C6C6C6C6FEC6C6C6C600", "I": "003C181818181818183C00", "J": "001E0C0C0C0C0CCCCC7800", "K": "00E6666C6C786C6C66E600", "L": "00F060606060606266FE00", "M": "0082C6EEFED6C6C6C6C600", "N": "0086C6E6F6DECEC6C6C600", "O": "007CC6C6C6C6C6C6C67C00", "P": "00FC6666667C606060F000", "Q": "007CC6C6C6C6C6D6DE7C06", "R": "00FC6666667C6C6666E600", "S": "007CC6C660380CC6C67C00", "T": "007E7E5A18181818183C00", "U": "00C6C6C6C6C6C6C6C67C00", "V": "00C6C6C6C6C6C66C381000", "W": "00C6C6C6C6D6FEEEC68200", "X": "00C6C66C7C387C6CC6C600", "Y": "00666666663C1818183C00", "Z": "00FEC6860C183062C6FE00", "Á": "0810386cc6c6fec6c6c600", "À": "2010386cc6c6fec6c6c600", "Â": "1028386CC6C6FEC6C6C600", "Ä": "2800386CC6C6FEC6C6C600", "Å": "1028107CC6C6FEC6C6C600", "É": "0810FE626878686266FE00", "È": "2010FE626878686266FE00", "Ê": "1028FE626878686266FE00", "Ë": "2800FE626878686266FE00", "Ě": "2810FE626878686266FE00", "Í": "04083C1818181818183C00", "Ì": "10083C1818181818183C00", "Î": "08143C1818181818183C00", "Ï": "14003C1818181818183C00", "Ó": "08107CC6C6C6C6C6C67C00", "Ò": "20107CC6C6C6C6C6C67C00", "Ô": "10287CC6C6C6C6C6C67C00", "Ö": "28007CC6C6C6C6C6C67C00", "Ő": "14287CC6C6C6C6C6C67C00", "Ú": "0810C6C6C6C6C6C6C67C00", "Ù": "2010C6C6C6C6C6C6C67C00", "Û": "1028C6C6C6C6C6C6C67C00", "Ü": "2800C6C6C6C6C6C6C67C00", "Ű": "1428C6C6C6C6C6C6C67C00", "Ů": "102810C6C6C6C6C6C67C00", "Ý": "04086666663C1818183C00", "Ÿ": "14006666663C1818183C00", "á": "00000810780C7CCCCC7600", "à": "00002010780C7CCCCC7600", "â": "00102800780C7CCCCC7600", "ä": "00002800780C7CCCCC7600", "å": "00102810780C7CCCCC7600", "é": "000008107CC6FEC0C67C00", "è": "000020107CC6FEC0C67C00", "ê": "001028007CC6FEC0C67C00", "ë": "000028007CC6FEC0C67C00", "ě": "000028107CC6FEC0C67C00", "í": "0000081038181818183C00", "ì": "0000201038181818183C00", "î": "0008140038181818183C00", "ï": "0000140038181818183C00", "ó": "000008107CC6C6C6C67C00", "ò": "000020107CC6C6C6C67C00", "ô": "001028007CC6C6C6C67C00", "ö": "000028007CC6C6C6C67C00", "ő": "000014287CC6C6C6C67C00", "ú": "00000810CCCCCCCCCC7600", "ù": "00002010CCCCCCCCCC7600", "û": "00102800CCCCCCCCCC7600", "ü": "00002800CCCCCCCCCC7600", "ű": "00001428CCCCCCCCCC7600", "ů": "00102810CCCCCCCCCC7600", "ý": "000810C6C6C6C67E060CF8", "ÿ": "002800C6C6C6C67E060CF8", "Ç": "007CC6C6C0C0C0C67C1030", "ç": "000000007CC6C0467C1030", "Ñ": "342CC6E6F6DECEC6C6C600", "ñ": "00342C00DC666666666600", "Č": "28107CC6C6C0C0C6C67C00", "č": "000028107CC6C0C0C67C00", "Ď": "2810FC666666666666FC00", "ď": "02061C0C7CCCCCCCCC7600", "Ň": "2810C6E6F6DECEC6C6C600", "ň": "00002810DC666666666600", "Ř": "2810FC66667C6C6666E600", "ř": "00002810DE76606060F000", "Š": "28107CC6E0380CC6C67C00", "š": "000028107CC6701CC67C00", "Ť": "14087E7E5A181818183C00", "ť": "00143430FC303030341800", "Ž": "2810FE860C183062C6FE00", "ž": "00002810FE8C183062FE00", } MAX_MESSAGES = 8 PACKET_START = "77616E670000" PACKET_BYTE_SIZE = 16 class Speed(IntEnum): ONE = 0x00 TWO = 0x10 THREE = 0x20 FOUR = 0x30 FIVE = 0x40 SIX = 0x50 SEVEN = 0x60 EIGHT = 0x70 class Mode(IntEnum): LEFT = 0x00 RIGHT = 0x01 UP = 0x02 DOWN = 0x03 FIXED = 0x04 ANIMATION = 0x05 SNOWFLAKE = 0x06 PICTURE = 0x07 LASER = 0x08 PACMAN = 0x09 CHEVRONLEFT = 0x0A DIAMOND = 0x0B FEET = 0x0C BROKENHEARTS = 0x0D CUPID = 0x0E CYCLE = 0x0F @dataclass(frozen=True) class Message: text: list[str] flash: bool marquee: bool speed: Speed mode: Mode animation_index: int | None = None @dataclass(frozen=True) class Data: messages: list[Message] def get_flash(data: Data) -> str: flash_byte = 0 for idx, message in enumerate(data.messages): flash_flag = 1 if message.flash else 0 flash_byte |= (flash_flag << idx) & 0xFF return f"{flash_byte:02x}" def get_marquee(data: Data) -> str: marquee_byte = 0 for idx, message in enumerate(data.messages): marquee_flag = 1 if message.marquee else 0 marquee_byte |= (marquee_flag << idx) & 0xFF return f"{marquee_byte:02x}" def get_options(data: Data) -> str: opt_str = ["00"] * MAX_MESSAGES for idx, message in enumerate(data.messages): opt_str[idx] = f"{(message.speed | message.mode):02x}" return "".join(opt_str) def get_sizes(data: Data) -> str: size_str = ["0000"] * MAX_MESSAGES for idx, message in enumerate(data.messages): size_str[idx] = f"{len(message.text):04x}" return "".join(size_str) def get_time(now: datetime) -> str: return f"{now.year % 100:02x}{now.month:02x}{now.day:02x}{now.hour:02x}{now.minute:02x}{now.second:02x}" def get_message(data: Data) -> str: return "".join("".join(message.text) for message in data.messages) def convert(data: Data) -> list[bytes]: assert len(data.messages) <= MAX_MESSAGES, f"Max messages={MAX_MESSAGES}" import datetime message = ( f"{PACKET_START}" f"{get_flash(data)}" f"{get_marquee(data)}" f"{get_options(data)}" f"{get_sizes(data)}" "000000000000" f"{get_time(datetime.datetime.now())}" "0000000000000000000000000000000000000000" f"{get_message(data)}" ) message += "00" * ( (PACKET_BYTE_SIZE - (len(message) // 2) % PACKET_BYTE_SIZE) % PACKET_BYTE_SIZE ) chunk_size = PACKET_BYTE_SIZE * 2 chunks = [message[i : i + chunk_size] for i in range(0, len(message), chunk_size)] return [bytes.fromhex(chunk) for chunk in chunks] async def main(data: Data): print("Scanning for LSLED device...") device = await BleakScanner.find_device_by_name("LSLED") if device is None: print("Device not found") return print("Found LSLED, connecting...") chunks = convert(data) async with BleakClient(device) as client: for chunk in chunks: await client.write_gatt_char(LSLED_CHAR_UUID, chunk, response=True) print("All data sent!") if __name__ == "__main__": sample_data = Data( messages=[ Message( text=[CHAR_CODES[c] for c in "Hello, World!"], flash=True, marquee=True, speed=Speed.FOUR, mode=Mode.LEFT, ), ] ) asyncio.run(main(sample_data))