kopia lustrzana https://github.com/micropython/micropython
tests/multi_bluetooth/ble_mtu: Split peripheral/central-initiated.
btstack only supports central-initiated, so this allows us to have a test that works on both (ble_mtu.py), and then another one for just the NimBLE supported behavior (ble_mtu_peripheral.py). Signed-off-by: Jim Mussared <jim.mussared@gmail.com>pull/11239/head
Jim Mussared
rodzic
dcb863ebfb
commit
a652695153
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@ -1,23 +1,18 @@
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# Test MTU exchange (initiated by both central and peripheral) and the effect on
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# notify and write size.
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# Seven connections are made (four central->peripheral, three peripheral->central).
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# Test MTU exchange (initiated by central) and the effect on notify and write
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# size.
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#
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# See ble_mtu_peripheral.py which tests peripheral-initiated MTU exchange (not supported on btstack).
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#
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# Four connections are made:
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#
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# Test | Requested | Preferred | Result | Notes
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# 0 | 300 (C) | 256 (P) | 256 |
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# 1 | 300 (C) | 200 (P) | 200 |
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# 2 | 300 (C) | 400 (P) | 300 |
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# 3 | 300 (C) | 50 (P) | 50 | Shorter than 64 so the notification is truncated.
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# 4 | 290 (P) | 256 (C) | 256 |
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# 5 | 290 (P) | 190 (C) | 190 |
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# 6 | 290 (P) | 350 (C) | 290 |
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#
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# For each connection a notification is sent by the server (peripheral) and a characteristic
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# is written by the client (central) to ensure that the expected size is transmitted.
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#
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# Note: This currently fails on btstack for two reasons:
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# - btstack doesn't truncate writes to the MTU (it fails instead)
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# - btstack (in central mode) doesn't handle the peripheral initiating the MTU exchange
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from micropython import const
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import time, machine, bluetooth
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@ -97,37 +92,28 @@ def instance0():
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multitest.globals(BDADDR=ble.config("mac"))
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((char_handle,),) = ble.gatts_register_services(SERVICES)
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ble.gatts_set_buffer(char_handle, 500, False)
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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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default_mtus = [256, 200, 400, 50]
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try:
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for i in range(7):
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if i == 1:
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ble.config(mtu=200)
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elif i == 2:
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ble.config(mtu=400)
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elif i == 3:
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ble.config(mtu=50)
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elif i >= 4:
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ble.config(mtu=290)
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else:
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# This is the NimBLE default.
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ble.config(mtu=256)
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for i in range(4):
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ble.config(mtu=default_mtus[i])
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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.broadcast(f"peripheral:adv:{i}")
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# Wait for central to connect to us.
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conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
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if i >= 4:
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print("gattc_exchange_mtu")
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ble.gattc_exchange_mtu(conn_handle)
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mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
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multitest.wait(f"client:discovery:{i}")
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print("gatts_notify")
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ble.gatts_notify(conn_handle, char_handle, str(i) * 64)
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# Extra timeout while client does service discovery.
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wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS * 2)
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wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
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print("gatts_read")
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data = ble.gatts_read(char_handle)
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@ -135,10 +121,6 @@ def instance0():
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# Wait for the central to disconnect.
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wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
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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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finally:
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ble.active(0)
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@ -147,41 +129,36 @@ def instance0():
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def instance1():
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multitest.next()
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try:
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for i in range(7):
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if i < 4:
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ble.config(mtu=300)
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elif i == 5:
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ble.config(mtu=190)
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elif i == 6:
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ble.config(mtu=350)
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else:
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ble.config(mtu=256)
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for i in range(4):
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ble.config(mtu=300)
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multitest.wait(f"peripheral:adv:{i}")
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# Connect to peripheral and then disconnect.
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# Extra scan timeout allows for the peripheral to receive the previous disconnect
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# event and start advertising again.
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print("gap_connect")
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ble.gap_connect(BDADDR[0], BDADDR[1], 5000)
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ble.gap_connect(BDADDR[0], BDADDR[1], TIMEOUT_MS)
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conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
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if i < 4:
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print("gattc_exchange_mtu")
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ble.gattc_exchange_mtu(conn_handle)
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# Central-initiated mtu exchange.
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print("gattc_exchange_mtu")
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ble.gattc_exchange_mtu(conn_handle)
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mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
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wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
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print("gattc_discover_characteristics")
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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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# Write 20 more than the MTU to test truncation.
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multitest.broadcast(f"client:discovery:{i}")
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wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
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print("gattc_write")
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ble.gattc_write(conn_handle, value_handle, chr(ord("a") + i) * (mtu + 20), 1)
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ble.gattc_write(conn_handle, value_handle, chr(ord("a") + i) * (mtu - 3), 1)
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wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
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time.sleep_ms(300)
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# Disconnect from 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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@ -31,43 +31,15 @@ _IRQ_GATTS_WRITE
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gatts_read
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characteristic len: 47 d
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_IRQ_CENTRAL_DISCONNECT
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gap_advertise
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_IRQ_CENTRAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 256
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gatts_notify
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_IRQ_GATTS_WRITE
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gatts_read
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characteristic len: 253 e
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_IRQ_CENTRAL_DISCONNECT
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gap_advertise
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_IRQ_CENTRAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 190
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gatts_notify
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_IRQ_GATTS_WRITE
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gatts_read
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characteristic len: 187 f
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_IRQ_CENTRAL_DISCONNECT
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gap_advertise
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_IRQ_CENTRAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 290
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gatts_notify
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_IRQ_GATTS_WRITE
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gatts_read
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characteristic len: 287 g
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_IRQ_CENTRAL_DISCONNECT
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gap_advertise
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--- instance1 ---
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 256
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_IRQ_GATTC_NOTIFY 64 0
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gattc_discover_characteristics
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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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_IRQ_GATTC_NOTIFY 64 0
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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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@ -76,10 +48,10 @@ gap_connect
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_IRQ_PERIPHERAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 200
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_IRQ_GATTC_NOTIFY 64 1
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gattc_discover_characteristics
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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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_IRQ_GATTC_NOTIFY 64 1
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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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@ -88,10 +60,10 @@ gap_connect
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_IRQ_PERIPHERAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 300
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_IRQ_GATTC_NOTIFY 64 2
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gattc_discover_characteristics
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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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_IRQ_GATTC_NOTIFY 64 2
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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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@ -100,43 +72,10 @@ gap_connect
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_IRQ_PERIPHERAL_CONNECT
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gattc_exchange_mtu
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_IRQ_MTU_EXCHANGED 50
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gattc_discover_characteristics
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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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_IRQ_GATTC_NOTIFY 47 3
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gattc_discover_characteristics
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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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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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_IRQ_PERIPHERAL_DISCONNECT
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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_IRQ_MTU_EXCHANGED 256
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_IRQ_GATTC_NOTIFY 64 4
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gattc_discover_characteristics
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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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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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_IRQ_PERIPHERAL_DISCONNECT
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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_IRQ_MTU_EXCHANGED 190
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_IRQ_GATTC_NOTIFY 64 5
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gattc_discover_characteristics
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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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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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_IRQ_PERIPHERAL_DISCONNECT
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gap_connect
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_IRQ_PERIPHERAL_CONNECT
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_IRQ_MTU_EXCHANGED 290
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_IRQ_GATTC_NOTIFY 64 6
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gattc_discover_characteristics
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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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gattc_write
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_IRQ_GATTC_WRITE_DONE
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gap_disconnect: True
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@ -0,0 +1,170 @@
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# Test MTU exchange (initiated by peripheral) and the effect on notify and
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# write size.
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#
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# This is not supported on btstack (only the central may initiate MTU exchange).
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#
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# Test | Requested | Preferred | Result | Notes
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# 0 | 290 (P) | 256 (C) | 256 |
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# 1 | 290 (P) | 190 (C) | 190 |
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# 2 | 290 (P) | 350 (C) | 290 |
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#
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# For each connection a notification is sent by the server (peripheral) and a characteristic
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# is written by the client (central) to ensure that the expected size is transmitted.
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from micropython import const
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import time, machine, bluetooth
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TIMEOUT_MS = 5000
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_GATTS_WRITE = const(3)
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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_WRITE_DONE = const(17)
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_IRQ_GATTC_NOTIFY = const(18)
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_IRQ_MTU_EXCHANGED = const(21)
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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 = (
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CHAR_UUID,
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bluetooth.FLAG_READ | bluetooth.FLAG_WRITE | bluetooth.FLAG_NOTIFY,
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)
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SERVICE = (
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SERVICE_UUID,
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(CHAR,),
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)
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SERVICES = (SERVICE,)
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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_WRITE:
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print("_IRQ_GATTS_WRITE")
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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_WRITE_DONE:
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print("_IRQ_GATTC_WRITE_DONE")
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elif event == _IRQ_GATTC_NOTIFY:
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print("_IRQ_GATTC_NOTIFY", len(data[-1]), chr(data[-1][0]))
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elif event == _IRQ_MTU_EXCHANGED:
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print("_IRQ_MTU_EXCHANGED", data[-1])
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waiting_events[event] = data[-1]
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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(SERVICES)
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ble.gatts_set_buffer(char_handle, 500, False)
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multitest.next()
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try:
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for i in range(3):
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ble.config(mtu=290)
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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.broadcast(f"peripheral:adv:{i}")
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# Wait for central to connect to us.
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conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
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# Peripheral-initiated mtu exchange.
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print("gattc_exchange_mtu")
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ble.gattc_exchange_mtu(conn_handle)
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mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
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multitest.wait(f"client:discovery:{i}")
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print("gatts_notify")
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ble.gatts_notify(conn_handle, char_handle, str(i) * 64)
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wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
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print("gatts_read")
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data = ble.gatts_read(char_handle)
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print("characteristic len:", len(data), chr(data[0]))
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# Wait for the central to disconnect.
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wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
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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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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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default_mtus = [256, 190, 350]
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for i in range(3):
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ble.config(mtu=default_mtus[i])
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multitest.wait(f"peripheral:adv:{i}")
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print("gap_connect")
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ble.gap_connect(BDADDR[0], BDADDR[1], 5000)
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conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
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mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
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print("gattc_discover_characteristics")
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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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multitest.broadcast(f"client:discovery:{i}")
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wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
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|
||||
# Write 20 more than the MTU to test truncation.
|
||||
print("gattc_write")
|
||||
ble.gattc_write(conn_handle, value_handle, chr(ord("a") + i) * (mtu + 20), 1)
|
||||
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
|
||||
|
||||
# Disconnect from peripheral.
|
||||
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
|
||||
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
|
||||
finally:
|
||||
ble.active(0)
|
||||
|
||||
|
||||
ble = bluetooth.BLE()
|
||||
ble.active(1)
|
||||
ble.irq(irq)
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
--- instance0 ---
|
||||
gap_advertise
|
||||
_IRQ_CENTRAL_CONNECT
|
||||
gattc_exchange_mtu
|
||||
_IRQ_MTU_EXCHANGED 256
|
||||
gatts_notify
|
||||
_IRQ_GATTS_WRITE
|
||||
gatts_read
|
||||
characteristic len: 253 a
|
||||
_IRQ_CENTRAL_DISCONNECT
|
||||
gap_advertise
|
||||
gap_advertise
|
||||
_IRQ_CENTRAL_CONNECT
|
||||
gattc_exchange_mtu
|
||||
_IRQ_MTU_EXCHANGED 190
|
||||
gatts_notify
|
||||
_IRQ_GATTS_WRITE
|
||||
gatts_read
|
||||
characteristic len: 187 b
|
||||
_IRQ_CENTRAL_DISCONNECT
|
||||
gap_advertise
|
||||
gap_advertise
|
||||
_IRQ_CENTRAL_CONNECT
|
||||
gattc_exchange_mtu
|
||||
_IRQ_MTU_EXCHANGED 290
|
||||
gatts_notify
|
||||
_IRQ_GATTS_WRITE
|
||||
gatts_read
|
||||
characteristic len: 287 c
|
||||
_IRQ_CENTRAL_DISCONNECT
|
||||
gap_advertise
|
||||
--- instance1 ---
|
||||
gap_connect
|
||||
_IRQ_PERIPHERAL_CONNECT
|
||||
_IRQ_MTU_EXCHANGED 256
|
||||
gattc_discover_characteristics
|
||||
_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
|
||||
_IRQ_GATTC_CHARACTERISTIC_DONE
|
||||
_IRQ_GATTC_NOTIFY 64 0
|
||||
gattc_write
|
||||
_IRQ_GATTC_WRITE_DONE
|
||||
gap_disconnect: True
|
||||
_IRQ_PERIPHERAL_DISCONNECT
|
||||
gap_connect
|
||||
_IRQ_PERIPHERAL_CONNECT
|
||||
_IRQ_MTU_EXCHANGED 190
|
||||
gattc_discover_characteristics
|
||||
_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
|
||||
_IRQ_GATTC_CHARACTERISTIC_DONE
|
||||
_IRQ_GATTC_NOTIFY 64 1
|
||||
gattc_write
|
||||
_IRQ_GATTC_WRITE_DONE
|
||||
gap_disconnect: True
|
||||
_IRQ_PERIPHERAL_DISCONNECT
|
||||
gap_connect
|
||||
_IRQ_PERIPHERAL_CONNECT
|
||||
_IRQ_MTU_EXCHANGED 290
|
||||
gattc_discover_characteristics
|
||||
_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
|
||||
_IRQ_GATTC_CHARACTERISTIC_DONE
|
||||
_IRQ_GATTC_NOTIFY 64 2
|
||||
gattc_write
|
||||
_IRQ_GATTC_WRITE_DONE
|
||||
gap_disconnect: True
|
||||
_IRQ_PERIPHERAL_DISCONNECT
|
||||
Ładowanie…
Reference in New Issue