|
| 1 | +# Test for shutting down and restarting the BLE stack. |
| 2 | + |
| 3 | +import sys |
| 4 | + |
| 5 | +sys.path.append("") |
| 6 | + |
| 7 | +from micropython import const |
| 8 | +import time, machine |
| 9 | + |
| 10 | +import uasyncio as asyncio |
| 11 | +import aioble |
| 12 | +import bluetooth |
| 13 | + |
| 14 | +TIMEOUT_MS = 5000 |
| 15 | + |
| 16 | +SERVICE_UUID = bluetooth.UUID("A5A5A5A5-FFFF-9999-1111-5A5A5A5A5A5A") |
| 17 | +CHAR_UUID = bluetooth.UUID("00000000-1111-2222-3333-444444444444") |
| 18 | + |
| 19 | +_L2CAP_PSN = const(22) |
| 20 | +_L2CAP_MTU = const(128) |
| 21 | + |
| 22 | + |
| 23 | +# Acting in peripheral role. |
| 24 | +async def instance0_task(): |
| 25 | + multitest.globals(BDADDR=aioble.config("mac")) |
| 26 | + multitest.next() |
| 27 | + |
| 28 | + for i in range(3): |
| 29 | + service = aioble.Service(SERVICE_UUID) |
| 30 | + characteristic = aioble.Characteristic(service, CHAR_UUID, read=True) |
| 31 | + aioble.register_services(service) |
| 32 | + |
| 33 | + # Write initial characteristic value. |
| 34 | + characteristic.write("periph{}".format(i)) |
| 35 | + |
| 36 | + multitest.broadcast("connect-{}".format(i)) |
| 37 | + |
| 38 | + # Wait for central to connect to us. |
| 39 | + print("advertise") |
| 40 | + connection = await aioble.advertise( |
| 41 | + 20_000, adv_data=b"\x02\x01\x06\x04\xffMPY", timeout_ms=TIMEOUT_MS |
| 42 | + ) |
| 43 | + print("connected") |
| 44 | + |
| 45 | + multitest.broadcast("connected-{}".format(i)) |
| 46 | + |
| 47 | + for j in range(3): |
| 48 | + channel = await connection.l2cap_accept(_L2CAP_PSN, _L2CAP_MTU) |
| 49 | + print("channel accepted") |
| 50 | + |
| 51 | + buf = bytearray(10) |
| 52 | + n = await channel.recvinto(buf) |
| 53 | + print("recv", n, buf[:n]) |
| 54 | + |
| 55 | + multitest.broadcast("recv-{}-{}".format(i, j)) |
| 56 | + |
| 57 | + await channel.disconnected(5000) |
| 58 | + print("channel disconnected") |
| 59 | + |
| 60 | + # Wait for the central to disconnect. |
| 61 | + await connection.disconnected(timeout_ms=TIMEOUT_MS) |
| 62 | + print("disconnected") |
| 63 | + |
| 64 | + # Shutdown aioble + modbluetooth. |
| 65 | + print("shutdown") |
| 66 | + aioble.stop() |
| 67 | + |
| 68 | + |
| 69 | +def instance0(): |
| 70 | + try: |
| 71 | + asyncio.run(instance0_task()) |
| 72 | + finally: |
| 73 | + aioble.stop() |
| 74 | + |
| 75 | + |
| 76 | +# Acting in central role. |
| 77 | +async def instance1_task(): |
| 78 | + multitest.next() |
| 79 | + |
| 80 | + for i in range(3): |
| 81 | + multitest.wait("connect-{}".format(i)) |
| 82 | + # Connect to peripheral. |
| 83 | + print("connect") |
| 84 | + device = aioble.Device(*BDADDR) |
| 85 | + connection = await device.connect(timeout_ms=TIMEOUT_MS) |
| 86 | + |
| 87 | + multitest.wait("connected-{}".format(i)) |
| 88 | + |
| 89 | + # Discover characteristics. |
| 90 | + service = await connection.service(SERVICE_UUID) |
| 91 | + print("service", service.uuid) |
| 92 | + characteristic = await service.characteristic(CHAR_UUID) |
| 93 | + print("characteristic", characteristic.uuid) |
| 94 | + |
| 95 | + # Issue read of characteristic, should get initial value. |
| 96 | + print("read", await characteristic.read(timeout_ms=TIMEOUT_MS)) |
| 97 | + |
| 98 | + for j in range(3): |
| 99 | + print("connecting channel") |
| 100 | + channel = await connection.l2cap_connect(_L2CAP_PSN, _L2CAP_MTU) |
| 101 | + print("channel connected") |
| 102 | + |
| 103 | + await channel.send("l2cap-{}-{}".format(i, j)) |
| 104 | + await channel.flush() |
| 105 | + |
| 106 | + multitest.wait("recv-{}-{}".format(i, j)) |
| 107 | + |
| 108 | + print("disconnecting channel") |
| 109 | + await channel.disconnect() |
| 110 | + print("channel disconnected") |
| 111 | + |
| 112 | + await asyncio.sleep_ms(100) |
| 113 | + |
| 114 | + # Disconnect from peripheral. |
| 115 | + print("disconnect") |
| 116 | + await connection.disconnect(timeout_ms=TIMEOUT_MS) |
| 117 | + print("disconnected") |
| 118 | + |
| 119 | + # Shutdown aioble. |
| 120 | + print("shutdown") |
| 121 | + aioble.stop() |
| 122 | + |
| 123 | + |
| 124 | +def instance1(): |
| 125 | + try: |
| 126 | + asyncio.run(instance1_task()) |
| 127 | + finally: |
| 128 | + aioble.stop() |
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