kopia lustrzana https://github.com/micropython/micropython-lib
103 wiersze
3.1 KiB
Python
103 wiersze
3.1 KiB
Python
# Test characteristic write capture.
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import sys
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sys.path.append("")
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from micropython import const
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import time, machine
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import uasyncio as asyncio
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import aioble
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import bluetooth
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TIMEOUT_MS = 5000
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SERVICE_UUID = bluetooth.UUID("A5A5A5A5-FFFF-9999-1111-5A5A5A5A5A5A")
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CHAR_UUID = bluetooth.UUID("00000000-1111-2222-3333-444444444444")
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CHAR_CAPTURE_UUID = bluetooth.UUID("00000000-1111-2222-3333-555555555555")
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# Acting in peripheral role.
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async def instance0_task():
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service = aioble.Service(SERVICE_UUID)
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characteristic = aioble.Characteristic(
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service,
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CHAR_UUID,
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write=True,
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)
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# Second characteristic enabled write capture.
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characteristic_capture = aioble.Characteristic(
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service,
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CHAR_CAPTURE_UUID,
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write=True,
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capture=True,
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)
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aioble.register_services(service)
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multitest.globals(BDADDR=aioble.config("mac"))
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multitest.next()
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# Wait for central to connect to us.
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print("advertise")
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async with await aioble.advertise(
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20_000, adv_data=b"\x02\x01\x06\x04\xffMPY", timeout_ms=TIMEOUT_MS
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) as connection:
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print("connected")
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# We should miss writes while we're sleeping.
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for i in range(2):
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await characteristic.written(timeout_ms=TIMEOUT_MS)
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print("written", characteristic.read())
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await asyncio.sleep_ms(500)
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# Shouldn't miss any writes as they will be captured and queued.
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for i in range(5):
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write_connection, value = await characteristic_capture.written(timeout_ms=TIMEOUT_MS)
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print("written", value, write_connection == connection)
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await asyncio.sleep_ms(500)
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def instance0():
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try:
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asyncio.run(instance0_task())
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finally:
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aioble.stop()
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# Acting in central role.
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async def instance1_task():
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multitest.next()
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# Connect to peripheral and then disconnect.
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print("connect")
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device = aioble.Device(*BDADDR)
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async with await device.connect(timeout_ms=TIMEOUT_MS) as connection:
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# Discover characteristics.
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service = await connection.service(SERVICE_UUID)
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print("service", service.uuid)
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characteristic = await service.characteristic(CHAR_UUID)
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characteristic_capture = await service.characteristic(CHAR_CAPTURE_UUID)
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print("characteristic", characteristic.uuid, characteristic_capture.uuid)
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# Write to the characteristic five times, but faster than the remote side is waiting.
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# Some writes will be lost.
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for i in range(5):
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print("write")
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await characteristic.write("central" + str(i), timeout_ms=TIMEOUT_MS)
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await asyncio.sleep_ms(200)
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# Write to the capture characteristic five times, but faster than the remote side is waiting.
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# The writes should be captured and queued.
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for i in range(5):
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print("write")
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await characteristic_capture.write("central" + str(i), timeout_ms=TIMEOUT_MS)
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await asyncio.sleep_ms(200)
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def instance1():
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try:
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asyncio.run(instance1_task())
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finally:
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aioble.stop()
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