tests/multi_bluetooth: Add multitests for BLE pairing and bonding.
Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
parent
d79b9c6c7c
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c8b0557178
129
tests/multi_bluetooth/ble_gap_pair.py
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129
tests/multi_bluetooth/ble_gap_pair.py
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# Test BLE GAP connect/disconnect with pairing, and read an encrypted characteristic
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# TODO: add gap_passkey testing
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from micropython import const
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import time, machine, bluetooth
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TIMEOUT_MS = 4000
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_GATTS_READ_REQUEST = const(4)
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_IRQ_PERIPHERAL_CONNECT = const(7)
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_IRQ_PERIPHERAL_DISCONNECT = const(8)
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_IRQ_GATTC_CHARACTERISTIC_RESULT = const(11)
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_IRQ_GATTC_CHARACTERISTIC_DONE = const(12)
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_IRQ_GATTC_READ_RESULT = const(15)
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_IRQ_ENCRYPTION_UPDATE = const(28)
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_FLAG_READ = const(0x0002)
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_FLAG_READ_ENCRYPTED = const(0x0200)
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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 = (CHAR_UUID, _FLAG_READ | _FLAG_READ_ENCRYPTED)
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SERVICE = (SERVICE_UUID, (CHAR,))
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waiting_events = {}
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def irq(event, data):
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if event == _IRQ_CENTRAL_CONNECT:
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print("_IRQ_CENTRAL_CONNECT")
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waiting_events[event] = data[0]
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elif event == _IRQ_CENTRAL_DISCONNECT:
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print("_IRQ_CENTRAL_DISCONNECT")
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elif event == _IRQ_GATTS_READ_REQUEST:
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print("_IRQ_GATTS_READ_REQUEST")
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elif event == _IRQ_PERIPHERAL_CONNECT:
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print("_IRQ_PERIPHERAL_CONNECT")
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waiting_events[event] = data[0]
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elif event == _IRQ_PERIPHERAL_DISCONNECT:
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print("_IRQ_PERIPHERAL_DISCONNECT")
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elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
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if data[-1] == CHAR_UUID:
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print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
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waiting_events[event] = data[2]
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else:
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return
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elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
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print("_IRQ_GATTC_CHARACTERISTIC_DONE")
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elif event == _IRQ_GATTC_READ_RESULT:
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print("_IRQ_GATTC_READ_RESULT", bytes(data[-1]))
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elif event == _IRQ_ENCRYPTION_UPDATE:
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print("_IRQ_ENCRYPTION_UPDATE", data[1], data[2], data[3])
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if event not in waiting_events:
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waiting_events[event] = None
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def wait_for_event(event, timeout_ms):
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t0 = time.ticks_ms()
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while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
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if event in waiting_events:
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return waiting_events.pop(event)
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machine.idle()
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raise ValueError("Timeout waiting for {}".format(event))
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# Acting in peripheral role.
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def instance0():
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multitest.globals(BDADDR=ble.config("mac"))
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((char_handle,),) = ble.gatts_register_services((SERVICE,))
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ble.gatts_write(char_handle, "encrypted")
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print("gap_advertise")
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ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
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multitest.next()
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try:
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# Wait for central to connect.
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wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
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# Wait for pairing event.
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wait_for_event(_IRQ_ENCRYPTION_UPDATE, TIMEOUT_MS)
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# Wait for GATTS read request.
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wait_for_event(_IRQ_GATTS_READ_REQUEST, TIMEOUT_MS)
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# Wait for central to disconnect.
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wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
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finally:
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ble.active(0)
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# Acting in central role.
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def instance1():
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multitest.next()
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try:
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# Connect to peripheral.
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print("gap_connect")
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ble.gap_connect(*BDADDR)
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conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
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# Discover characteristics (before pairing, doesn't need to be encrypted).
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ble.gattc_discover_characteristics(conn_handle, 1, 65535)
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value_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
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wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
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# Pair with the peripheral.
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print("gap_pair")
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ble.gap_pair(conn_handle)
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# Wait for the pairing event.
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wait_for_event(_IRQ_ENCRYPTION_UPDATE, TIMEOUT_MS)
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# Read the peripheral's characteristic, should be encrypted.
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print("gattc_read")
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ble.gattc_read(conn_handle, value_handle)
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wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
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# Disconnect from the peripheral.
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print("gap_disconnect:", ble.gap_disconnect(conn_handle))
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wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
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finally:
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ble.active(0)
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ble = bluetooth.BLE()
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ble.config(mitm=True, le_secure=True, bond=False)
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ble.active(1)
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ble.irq(irq)
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17
tests/multi_bluetooth/ble_gap_pair.py.exp
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17
tests/multi_bluetooth/ble_gap_pair.py.exp
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--- instance0 ---
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gap_advertise
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_IRQ_CENTRAL_CONNECT
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_IRQ_ENCRYPTION_UPDATE 1 0 0
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_IRQ_GATTS_READ_REQUEST
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_IRQ_CENTRAL_DISCONNECT
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--- instance1 ---
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
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_IRQ_GATTC_CHARACTERISTIC_DONE
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gap_pair
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_IRQ_ENCRYPTION_UPDATE 1 0 0
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gattc_read
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_IRQ_GATTC_READ_RESULT b'encrypted'
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gap_disconnect: True
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_IRQ_PERIPHERAL_DISCONNECT
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134
tests/multi_bluetooth/ble_gap_pair_bond.py
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134
tests/multi_bluetooth/ble_gap_pair_bond.py
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# Test BLE GAP connect/disconnect with pairing and bonding, and read an encrypted
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# characteristic
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# TODO: reconnect after bonding to test that the secrets persist
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from micropython import const
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import time, machine, bluetooth
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TIMEOUT_MS = 4000
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_GATTS_READ_REQUEST = const(4)
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_IRQ_PERIPHERAL_CONNECT = const(7)
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_IRQ_PERIPHERAL_DISCONNECT = const(8)
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_IRQ_GATTC_CHARACTERISTIC_RESULT = const(11)
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_IRQ_GATTC_CHARACTERISTIC_DONE = const(12)
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_IRQ_GATTC_READ_RESULT = const(15)
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_IRQ_ENCRYPTION_UPDATE = const(28)
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_IRQ_SET_SECRET = const(30)
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_FLAG_READ = const(0x0002)
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_FLAG_READ_ENCRYPTED = const(0x0200)
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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 = (CHAR_UUID, _FLAG_READ | _FLAG_READ_ENCRYPTED)
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SERVICE = (SERVICE_UUID, (CHAR,))
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waiting_events = {}
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secrets = {}
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def irq(event, data):
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if event == _IRQ_CENTRAL_CONNECT:
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print("_IRQ_CENTRAL_CONNECT")
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waiting_events[event] = data[0]
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elif event == _IRQ_CENTRAL_DISCONNECT:
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print("_IRQ_CENTRAL_DISCONNECT")
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elif event == _IRQ_GATTS_READ_REQUEST:
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print("_IRQ_GATTS_READ_REQUEST")
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elif event == _IRQ_PERIPHERAL_CONNECT:
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print("_IRQ_PERIPHERAL_CONNECT")
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waiting_events[event] = data[0]
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elif event == _IRQ_PERIPHERAL_DISCONNECT:
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print("_IRQ_PERIPHERAL_DISCONNECT")
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elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
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if data[-1] == CHAR_UUID:
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print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
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waiting_events[event] = data[2]
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else:
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return
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elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
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print("_IRQ_GATTC_CHARACTERISTIC_DONE")
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elif event == _IRQ_GATTC_READ_RESULT:
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print("_IRQ_GATTC_READ_RESULT", bytes(data[-1]))
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elif event == _IRQ_ENCRYPTION_UPDATE:
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print("_IRQ_ENCRYPTION_UPDATE", data[1], data[2], data[3])
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elif event == _IRQ_SET_SECRET:
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return True
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if event not in waiting_events:
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waiting_events[event] = None
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def wait_for_event(event, timeout_ms):
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t0 = time.ticks_ms()
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while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
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if event in waiting_events:
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return waiting_events.pop(event)
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machine.idle()
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raise ValueError("Timeout waiting for {}".format(event))
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# Acting in peripheral role.
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def instance0():
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multitest.globals(BDADDR=ble.config("mac"))
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((char_handle,),) = ble.gatts_register_services((SERVICE,))
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ble.gatts_write(char_handle, "encrypted")
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print("gap_advertise")
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ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
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multitest.next()
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try:
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# Wait for central to connect.
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wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
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# Wait for pairing event.
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wait_for_event(_IRQ_ENCRYPTION_UPDATE, TIMEOUT_MS)
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# Wait for GATTS read request.
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wait_for_event(_IRQ_GATTS_READ_REQUEST, TIMEOUT_MS)
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# Wait for central to disconnect.
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wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
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finally:
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ble.active(0)
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# Acting in central role.
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def instance1():
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multitest.next()
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try:
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# Connect to peripheral.
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print("gap_connect")
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ble.gap_connect(*BDADDR)
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conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
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# Discover characteristics (before pairing, doesn't need to be encrypted).
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ble.gattc_discover_characteristics(conn_handle, 1, 65535)
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value_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
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wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
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# Pair with the peripheral.
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print("gap_pair")
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ble.gap_pair(conn_handle)
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# Wait for the pairing event.
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wait_for_event(_IRQ_ENCRYPTION_UPDATE, TIMEOUT_MS)
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# Read the peripheral's characteristic, should be encrypted.
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print("gattc_read")
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ble.gattc_read(conn_handle, value_handle)
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wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
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# Disconnect from the peripheral.
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print("gap_disconnect:", ble.gap_disconnect(conn_handle))
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wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
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finally:
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ble.active(0)
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ble = bluetooth.BLE()
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ble.config(mitm=True, le_secure=True, bond=True)
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ble.active(1)
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ble.irq(irq)
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17
tests/multi_bluetooth/ble_gap_pair_bond.py.exp
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17
tests/multi_bluetooth/ble_gap_pair_bond.py.exp
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--- instance0 ---
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gap_advertise
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_IRQ_CENTRAL_CONNECT
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_IRQ_ENCRYPTION_UPDATE 1 0 1
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_IRQ_GATTS_READ_REQUEST
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_IRQ_CENTRAL_DISCONNECT
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--- instance1 ---
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
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_IRQ_GATTC_CHARACTERISTIC_DONE
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gap_pair
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_IRQ_ENCRYPTION_UPDATE 1 0 1
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gattc_read
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_IRQ_GATTC_READ_RESULT b'encrypted'
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gap_disconnect: True
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_IRQ_PERIPHERAL_DISCONNECT
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