kopia lustrzana https://github.com/micropython/micropython-lib
137 wiersze
4.1 KiB
Python
137 wiersze
4.1 KiB
Python
# Test characteristic read/write/notify from both GATTS and GATTC.
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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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# 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, CHAR_UUID, read=True, write=True, notify=True, indicate=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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# Write initial characteristic value.
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characteristic.write("periph0")
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# Wait for central to connect to us.
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print("advertise")
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connection = 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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)
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print("connected")
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# A
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# Wait for a write to the characteristic from the central,
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# then reply with a notification.
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await characteristic.written(timeout_ms=TIMEOUT_MS)
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print("written", characteristic.read())
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print("write")
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characteristic.write("periph1")
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print("notify")
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characteristic.notify(connection)
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# B
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# Wait for a write to the characteristic from the central,
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# then reply with value-included notification.
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await characteristic.written(timeout_ms=TIMEOUT_MS)
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print("written", characteristic.read())
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print("notify")
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characteristic.notify(connection, "periph2")
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# C
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# Wait for a write to the characteristic from the central,
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# then reply with an indication.
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await characteristic.written(timeout_ms=TIMEOUT_MS)
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print("written", characteristic.read())
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print("write")
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characteristic.write("periph3")
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print("indicate")
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await characteristic.indicate(connection, timeout_ms=TIMEOUT_MS)
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# Wait for the central to disconnect.
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await connection.disconnected(timeout_ms=TIMEOUT_MS)
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print("disconnected")
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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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connection = await device.connect(timeout_ms=TIMEOUT_MS)
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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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print("characteristic", characteristic.uuid)
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# Issue read of characteristic, should get initial value.
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print("read", await characteristic.read(timeout_ms=TIMEOUT_MS))
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# Write to the characteristic, which will trigger a notification.
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print("write")
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await characteristic.write("central0", response=True, timeout_ms=TIMEOUT_MS)
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# A
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print("notified", await characteristic.notified(timeout_ms=TIMEOUT_MS))
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# Read the new value set immediately before notification.
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print("read", await characteristic.read(timeout_ms=TIMEOUT_MS))
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# Write to the characteristic, which will trigger a value-included notification.
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print("write")
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await characteristic.write("central1", response=True, timeout_ms=TIMEOUT_MS)
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# B
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print("notified", await characteristic.notified(timeout_ms=TIMEOUT_MS))
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# Read value should be unchanged.
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print("read", await characteristic.read(timeout_ms=TIMEOUT_MS))
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# Write to the characteristic, which will trigger an indication.
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print("write")
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await characteristic.write("central2", response=True, timeout_ms=TIMEOUT_MS)
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# C
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print("indicated", await characteristic.indicated(timeout_ms=TIMEOUT_MS))
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# Read the new value set immediately before indication.
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print("read", await characteristic.read(timeout_ms=TIMEOUT_MS))
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# Disconnect from peripheral.
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print("disconnect")
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await connection.disconnect(timeout_ms=TIMEOUT_MS)
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print("disconnected")
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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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