osiu97
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
import asyncio
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import sys
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try:
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from bleak import BleakScanner, BleakClient
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except ImportError:
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print("Please install bleak first: pip install bleak")
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sys.exit(1)
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DEVICE_NAME = "WijiBoard"
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SERVICE_UUID = "18f3b235-9831-4c75-8ec0-210469b820a0"
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CMD_UUID = "cd083b06-4447-4cf3-a7c3-322ecf802ce4"
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STATUS_UUID = "82e38c5b-d3ab-41d1-861c-b84dc6bb1e03"
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async def main():
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print(f"Scanning for {DEVICE_NAME}...")
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devices = await BleakScanner.discover(timeout=5.0)
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target_device = None
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for d in devices:
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if d.name == DEVICE_NAME:
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target_device = d
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break
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if not target_device:
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print(f"Could not find {DEVICE_NAME}. Make sure it is powered on and advertising.")
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return
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print(f"Found {DEVICE_NAME} at {target_device.address}. Connecting...")
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async with BleakClient(target_device.address) as client:
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print(f"Connected: {client.is_connected}")
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# Setup notifications
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def notification_handler(sender, data):
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print(f"[STATUS UPDATE] {data.decode('utf-8')}")
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print("Subscribing to status characteristic...")
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try:
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await client.start_notify(STATUS_UUID, notification_handler)
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print("Successfully subscribed!")
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except Exception as e:
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print(f"Failed to subscribe: {e}")
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# Send a test command
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test_cmd = "S1+100"
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print(f"Sending test command: '{test_cmd}'...")
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await client.write_gatt_char(CMD_UUID, test_cmd.encode('utf-8'), response=False)
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print("Waiting 5 seconds to receive any status updates...")
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await asyncio.sleep(5.0)
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print("Disconnecting...")
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if __name__ == "__main__":
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asyncio.run(main())
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