tests/multi_bluetooth: Improve reliability of event waiting.

Use the same `wait_for_event` in all tests that doesn't hold a reference to
the event data tuple and handles repeat events.

Also fix a few misc reliability issues around timeouts and sequencing.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared 2020-11-03 17:41:28 +11:00 committed by Damien George
parent 309fb822e6
commit ccfd535af4
10 changed files with 155 additions and 221 deletions

View File

@ -31,28 +31,31 @@ SERVICE = (
)
SERVICES = (SERVICE,)
waiting_event = None
waiting_data = None
value_handle = 0
waiting_events = {}
def irq(event, data):
global waiting_event, waiting_data, value_handle
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_CENTRAL_DISCONNECT:
print("_IRQ_CENTRAL_DISCONNECT")
elif event == _IRQ_GATTS_WRITE:
print("_IRQ_GATTS_WRITE", ble.gatts_read(data[-1]))
elif event == _IRQ_PERIPHERAL_CONNECT:
print("_IRQ_PERIPHERAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
# conn_handle, def_handle, value_handle, properties, uuid = data
if data[-1] == CHAR_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
value_handle = data[2]
waiting_events[event] = data[2]
else:
return
elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
print("_IRQ_GATTC_CHARACTERISTIC_DONE")
elif event == _IRQ_GATTC_READ_RESULT:
print("_IRQ_GATTC_READ_RESULT", bytes(data[-1]))
elif event == _IRQ_GATTC_READ_DONE:
@ -66,25 +69,19 @@ def irq(event, data):
elif event == _IRQ_GATTS_INDICATE_DONE:
print("_IRQ_GATTS_INDICATE_DONE", data[-1])
if waiting_event is not None:
if (isinstance(waiting_event, int) and event == waiting_event) or (
not isinstance(waiting_event, int) and waiting_event(event, data)
):
waiting_event = None
waiting_data = data
if event not in waiting_events:
waiting_events[event] = None
def wait_for_event(event, timeout_ms):
global waiting_event, waiting_data
waiting_event = event
waiting_data = None
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if waiting_data:
return True
if event in waiting_events:
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
@ -99,39 +96,35 @@ def instance0():
ble.gatts_write(char_handle, "periph0")
# Wait for central to connect to us.
if not wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
# Wait for a write to the characteristic from the central.
# A
# Wait for a write to the characteristic from the central,
# then reply with a notification.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
# Wait a bit, then write the characteristic and notify it.
time.sleep_ms(1000)
print("gatts_write")
ble.gatts_write(char_handle, "periph1")
print("gatts_notify")
ble.gatts_notify(conn_handle, char_handle)
# Wait for a write to the characteristic from the central.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
# B
# Wait a bit, then notify a new value on the characteristic.
time.sleep_ms(1000)
# Wait for a write to the characteristic from the central,
# then reply with value-included notification.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
print("gatts_notify")
ble.gatts_notify(conn_handle, char_handle, "periph2")
# Wait for a write to the characteristic from the central.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
# C
# Wait a bit, then notify a new value on the characteristic.
time.sleep_ms(1000)
# Wait for a write to the characteristic from the central,
# then reply with an indication.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS)
print("gatts_write")
ble.gatts_write(char_handle, "periph3")
print("gatts_indicate")
ble.gatts_indicate(conn_handle, char_handle)
# Wait for the indicate ack.
wait_for_event(_IRQ_GATTS_INDICATE_DONE, TIMEOUT_MS)
# Wait for the central to disconnect.
@ -147,49 +140,45 @@ def instance1():
# Connect to peripheral and then disconnect.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
# Discover characteristics.
ble.gattc_discover_characteristics(conn_handle, 1, 65535)
wait_for_event(lambda event, data: value_handle, TIMEOUT_MS)
value_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
# Issue read of characteristic, should get initial value.
print("gattc_read")
ble.gattc_read(conn_handle, value_handle)
wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
# Write to the characteristic, and ask for a response.
# Write to the characteristic, which will trigger a notification.
print("gattc_write")
ble.gattc_write(conn_handle, value_handle, "central0", 1)
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
# Wait for a notify, then read new value.
# A
wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
print("gattc_read")
print("gattc_read") # Read the new value set immediately before notification.
ble.gattc_read(conn_handle, value_handle)
wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
# Write to the characteristic, and ask for a response.
# Write to the characteristic, which will trigger a value-included notification.
print("gattc_write")
ble.gattc_write(conn_handle, value_handle, "central1", 1)
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
# Wait for a notify (should have new data), then read old value (should be unchanged).
# B
wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
print("gattc_read")
print("gattc_read") # Read value should be unchanged.
ble.gattc_read(conn_handle, value_handle)
wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)
# Write to the characteristic, and ask for a response.
# Write to the characteristic, which will trigger an indication.
print("gattc_write")
ble.gattc_write(conn_handle, value_handle, "central2", 1)
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
# Wait for a indicate (should have new data), then read new value.
# C
wait_for_event(_IRQ_GATTC_INDICATE, TIMEOUT_MS)
print("gattc_read")
print("gattc_read") # Read the new value set immediately before indication.
ble.gattc_read(conn_handle, value_handle)
wait_for_event(_IRQ_GATTC_READ_RESULT, TIMEOUT_MS)

View File

@ -15,6 +15,7 @@ _IRQ_CENTRAL_DISCONNECT
gap_connect
_IRQ_PERIPHERAL_CONNECT
_IRQ_GATTC_CHARACTERISTIC_RESULT UUID('00000000-1111-2222-3333-444444444444')
_IRQ_GATTC_CHARACTERISTIC_DONE
gattc_read
_IRQ_GATTC_READ_RESULT b'periph0'
_IRQ_GATTC_READ_DONE 0

View File

@ -46,7 +46,10 @@ def instance1():
elif ev == _IRQ_SCAN_DONE:
finished = True
try:
ble.config(rxbuf=2000)
except:
pass
ble.irq(irq)
ble.gap_scan(2 * ADV_TIME_S * 1000, 10000, 10000)
while not finished:

View File

@ -10,101 +10,77 @@ _IRQ_CENTRAL_DISCONNECT = const(2)
_IRQ_PERIPHERAL_CONNECT = const(7)
_IRQ_PERIPHERAL_DISCONNECT = const(8)
central_connected = False
central_disconnected = False
peripheral_connected = False
peripheral_disconnected = False
conn_handle = None
waiting_events = {}
def irq(event, data):
global central_connected, central_disconnected, peripheral_connected, peripheral_disconnected, conn_handle
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
central_connected = True
conn_handle = data[0]
waiting_events[event] = data[0]
elif event == _IRQ_CENTRAL_DISCONNECT:
print("_IRQ_CENTRAL_DISCONNECT")
central_disconnected = True
elif event == _IRQ_PERIPHERAL_CONNECT:
print("_IRQ_PERIPHERAL_CONNECT")
peripheral_connected = True
conn_handle = data[0]
waiting_events[event] = data[0]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
peripheral_disconnected = True
remote_addr = data[0]
if event not in waiting_events:
waiting_events[event] = None
def wait_for(fn, timeout_ms):
def wait_for_event(event, timeout_ms):
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if fn():
return True
if event in waiting_events:
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
def instance0():
global central_connected, central_disconnected
multitest.globals(BDADDR=ble.config("mac"))
print("gap_advertise")
ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
multitest.next()
try:
# Wait for central to connect, then wait for it to disconnect.
if not wait_for(lambda: central_connected, TIMEOUT_MS):
return
if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
return
central_connected = False
central_disconnected = False
wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
# Start advertising again.
print("gap_advertise")
ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
# Wait for central to connect, then disconnect it.
if not wait_for(lambda: central_connected, TIMEOUT_MS):
return
conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
return
wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
finally:
ble.active(0)
# Acting in central role.
def instance1():
global peripheral_connected, peripheral_disconnected
multitest.next()
try:
# Connect to peripheral and then disconnect.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
return
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
if not wait_for(lambda: peripheral_disconnected, TIMEOUT_MS):
return
peripheral_connected = False
peripheral_disconnected = False
# Wait for peripheral to start advertising again.
time.sleep_ms(100)
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
# Connect to peripheral and then let the peripheral disconnect us.
# Extra scan timeout allows for the peripheral to receive the disconnect
# event and start advertising again.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
return
if not wait_for(lambda: peripheral_disconnected, TIMEOUT_MS):
return
ble.gap_connect(BDADDR[0], BDADDR[1], 5000)
wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
finally:
ble.active(0)

View File

@ -16,45 +16,44 @@ _IRQ_GATTC_READ_DONE = const(16)
GAP_DEVICE_NAME_UUID = bluetooth.UUID(0x2A00)
waiting_event = None
waiting_data = None
value_handle = 0
waiting_events = {}
def irq(event, data):
global waiting_event, waiting_data, value_handle
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_CENTRAL_DISCONNECT:
print("_IRQ_CENTRAL_DISCONNECT")
elif event == _IRQ_PERIPHERAL_CONNECT:
print("_IRQ_PERIPHERAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
if data[-1] == GAP_DEVICE_NAME_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
value_handle = data[2]
waiting_events[event] = data[2]
else:
return
elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
print("_IRQ_GATTC_CHARACTERISTIC_DONE")
elif event == _IRQ_GATTC_READ_RESULT:
print("_IRQ_GATTC_READ_RESULT", bytes(data[-1]))
if waiting_event is not None:
if isinstance(waiting_event, int) and event == waiting_event:
waiting_event = None
waiting_data = data
if event not in waiting_events:
waiting_events[event] = None
def wait_for_event(event, timeout_ms):
global waiting_event, waiting_data
waiting_event = event
waiting_data = None
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if waiting_data:
return True
if event in waiting_events:
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
@ -79,10 +78,8 @@ def instance0():
ble.gap_advertise(20_000)
# Wait for central to connect, then wait for it to disconnect.
if not wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
return
if not wait_for_event(_IRQ_CENTRAL_DISCONNECT, 4 * TIMEOUT_MS):
return
wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
wait_for_event(_IRQ_CENTRAL_DISCONNECT, 4 * TIMEOUT_MS)
finally:
ble.active(0)
@ -91,6 +88,7 @@ def instance0():
def instance1():
multitest.next()
try:
value_handle = None
for iteration in range(2):
# Wait for peripheral to start advertising.
time.sleep_ms(500)
@ -98,17 +96,15 @@ def instance1():
# Connect to peripheral.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
if iteration == 0:
# Only do characteristic discovery on the first iteration,
# assume value_handle is unchanged on the second.
print("gattc_discover_characteristics")
ble.gattc_discover_characteristics(conn_handle, 1, 65535)
wait_for_event(lambda: value_handle, TIMEOUT_MS)
# Wait for all characteristic results to come in (there should be an event for it).
time.sleep_ms(500)
value_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
# Read the peripheral's GAP device name.
print("gattc_read")
@ -117,8 +113,7 @@ def instance1():
# Disconnect from peripheral.
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
if not wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS):
return
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
finally:
ble.active(0)

View File

@ -12,6 +12,7 @@ gap_connect
_IRQ_PERIPHERAL_CONNECT
gattc_discover_characteristics
_IRQ_GATTC_CHARACTERISTIC_RESULT UUID(0x2a00)
_IRQ_GATTC_CHARACTERISTIC_DONE
gattc_read
_IRQ_GATTC_READ_RESULT b'GAP_NAME0'
gap_disconnect: True

View File

@ -29,35 +29,33 @@ CHAR_TX = (CHAR_TX_UUID, bluetooth.FLAG_NOTIFY)
SERVICE = (SERVICE_UUID, (CHAR_CTRL, CHAR_RX, CHAR_TX))
SERVICES = (SERVICE,)
waiting_event = None
waiting_data = None
ctrl_value_handle = 0
rx_value_handle = 0
tx_value_handle = 0
waiting_events = {}
def irq(event, data):
global waiting_event, waiting_data, ctrl_value_handle, rx_value_handle, tx_value_handle
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_CENTRAL_DISCONNECT:
print("_IRQ_CENTRAL_DISCONNECT")
elif event == _IRQ_GATTS_WRITE:
print("_IRQ_GATTS_WRITE")
waiting_events[(event, data[1])] = None
elif event == _IRQ_PERIPHERAL_CONNECT:
print("_IRQ_PERIPHERAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT:
if data[-1] == CHAR_CTRL_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
ctrl_value_handle = data[2]
waiting_events[(event, CHAR_CTRL_UUID)] = data[2]
elif data[-1] == CHAR_RX_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
rx_value_handle = data[2]
waiting_events[(event, CHAR_RX_UUID)] = data[2]
elif data[-1] == CHAR_TX_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
tx_value_handle = data[2]
waiting_events[(event, CHAR_TX_UUID)] = data[2]
elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
print("_IRQ_GATTC_CHARACTERISTIC_DONE")
elif event == _IRQ_GATTC_READ_RESULT:
@ -68,26 +66,21 @@ def irq(event, data):
print("_IRQ_GATTC_WRITE_DONE", data[-1])
elif event == _IRQ_GATTC_NOTIFY:
print("_IRQ_GATTC_NOTIFY", bytes(data[-1]))
waiting_events[(event, data[1])] = None
if waiting_event is not None:
if (isinstance(waiting_event, int) and event == waiting_event) or (
not isinstance(waiting_event, int) and waiting_event(event, data)
):
waiting_event = None
waiting_data = data
if event not in waiting_events:
waiting_events[event] = None
def wait_for_event(event, timeout_ms):
global waiting_event, waiting_data
waiting_event = event
waiting_data = None
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if waiting_data:
return True
if event in waiting_events:
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
@ -103,15 +96,10 @@ def instance0():
multitest.next()
try:
# Wait for central to connect to us.
if not wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
# Wait for the central to signal that it's done with its part of the test.
wait_for_event(
lambda event, data: event == _IRQ_GATTS_WRITE and data[1] == char_ctrl_handle,
2 * TIMEOUT_MS,
)
wait_for_event((_IRQ_GATTS_WRITE, char_ctrl_handle), 2 * TIMEOUT_MS)
# Read all accumulated data from the central.
print("gatts_read:", ble.gatts_read(char_rx_handle))
@ -138,17 +126,14 @@ def instance1():
# Connect to peripheral and then disconnect.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
# Discover characteristics.
ble.gattc_discover_characteristics(conn_handle, 1, 65535)
wait_for_event(
lambda event, data: ctrl_value_handle and rx_value_handle and tx_value_handle,
TIMEOUT_MS,
)
wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
ctrl_value_handle = waiting_events[(_IRQ_GATTC_CHARACTERISTIC_RESULT, CHAR_CTRL_UUID)]
rx_value_handle = waiting_events[(_IRQ_GATTC_CHARACTERISTIC_RESULT, CHAR_RX_UUID)]
tx_value_handle = waiting_events[(_IRQ_GATTC_CHARACTERISTIC_RESULT, CHAR_TX_UUID)]
# Write to the characteristic a few times, with and without response.
for i in range(4):
@ -163,10 +148,7 @@ def instance1():
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
# Wait for notification that peripheral is done with its part of the test.
wait_for_event(
lambda event, data: event == _IRQ_GATTC_NOTIFY and data[1] == ctrl_value_handle,
TIMEOUT_MS,
)
wait_for_event((_IRQ_GATTC_NOTIFY, ctrl_value_handle), TIMEOUT_MS)
# Disconnect from peripheral.
print("gap_disconnect:", ble.gap_disconnect(conn_handle))

View File

@ -24,45 +24,42 @@ SERVICE_B = (
)
SERVICES = (SERVICE_A, SERVICE_B)
waiting_event = None
waiting_data = None
waiting_events = {}
num_service_result = 0
def irq(event, data):
global waiting_event, waiting_data, num_service_result
global num_service_result
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_CENTRAL_DISCONNECT:
print("_IRQ_CENTRAL_DISCONNECT")
elif event == _IRQ_PERIPHERAL_CONNECT:
print("_IRQ_PERIPHERAL_CONNECT")
waiting_events[event] = data[0]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
elif event == _IRQ_GATTC_SERVICE_RESULT:
if data[3] == UUID_A or data[3] == UUID_B:
print("_IRQ_GATTC_SERVICE_RESULT", data[3])
num_service_result += 1
elif event == _IRQ_GATTC_SERVICE_DONE:
print("_IRQ_GATTC_SERVICE_DONE")
if waiting_event is not None:
if (isinstance(waiting_event, int) and event == waiting_event) or (
not isinstance(waiting_event, int) and waiting_event(event, data)
):
waiting_event = None
waiting_data = data
if event not in waiting_events:
waiting_events[event] = None
def wait_for_event(event, timeout_ms):
global waiting_event, waiting_data
waiting_event = event
waiting_data = None
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if waiting_data:
return True
if event in waiting_events:
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
@ -86,13 +83,13 @@ def instance1():
# Connect to peripheral and then disconnect.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
return
conn_handle, _, _ = waiting_data
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
# Discover services.
ble.gattc_discover_services(conn_handle)
wait_for_event(lambda event, data: num_service_result == 2, TIMEOUT_MS)
wait_for_event(_IRQ_GATTC_SERVICE_DONE, TIMEOUT_MS)
print("discovered:", num_service_result)
# Disconnect from peripheral.
print("gap_disconnect:", ble.gap_disconnect(conn_handle))

View File

@ -7,5 +7,7 @@ gap_connect
_IRQ_PERIPHERAL_CONNECT
_IRQ_GATTC_SERVICE_RESULT UUID(0x180d)
_IRQ_GATTC_SERVICE_RESULT UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
_IRQ_GATTC_SERVICE_DONE
discovered: 2
gap_disconnect: True
_IRQ_PERIPHERAL_DISCONNECT

View File

@ -51,7 +51,6 @@ waiting_events = {}
def irq(event, data):
global value_handle
if event == _IRQ_CENTRAL_CONNECT:
print("_IRQ_CENTRAL_CONNECT")
waiting_events[event] = data[0]
@ -68,6 +67,8 @@ def irq(event, data):
if data[-1] == CHAR_UUID:
print("_IRQ_GATTC_CHARACTERISTIC_RESULT", data[-1])
waiting_events[event] = data[2]
else:
return
elif event == _IRQ_GATTC_CHARACTERISTIC_DONE:
print("_IRQ_GATTC_CHARACTERISTIC_DONE")
elif event == _IRQ_GATTC_WRITE_DONE:
@ -86,9 +87,11 @@ def wait_for_event(event, timeout_ms):
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if event in waiting_events:
return True
result = waiting_events[event]
del waiting_events[event]
return result
machine.idle()
return False
raise ValueError("Timeout waiting for {}".format(event))
# Acting in peripheral role.
@ -101,8 +104,6 @@ def instance0():
multitest.next()
try:
for i in range(7):
waiting_events.clear()
if i == 1:
ble.config(mtu=200)
elif i == 2:
@ -116,31 +117,26 @@ def instance0():
ble.config(mtu=256)
# Wait for central to connect to us.
if not wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
return
conn_handle = waiting_events[_IRQ_CENTRAL_CONNECT]
conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
if i >= 4:
print("gattc_exchange_mtu")
ble.gattc_exchange_mtu(conn_handle)
if not wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS):
return
mtu = waiting_events[_IRQ_MTU_EXCHANGED]
mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
print("gatts_notify")
ble.gatts_notify(conn_handle, char_handle, str(i) * 64)
if not wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS):
return
# Extra timeout while client does service discovery.
wait_for_event(_IRQ_GATTS_WRITE, TIMEOUT_MS * 2)
print("gatts_read")
data = ble.gatts_read(char_handle)
print("characteristic len:", len(data), chr(data[0]))
# Wait for the central to disconnect.
if not wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS):
return
wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
print("gap_advertise")
ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
@ -154,8 +150,6 @@ def instance1():
multitest.next()
try:
for i in range(7):
waiting_events.clear()
if i < 4:
ble.config(mtu=300)
elif i == 5:
@ -166,39 +160,33 @@ def instance1():
ble.config(mtu=256)
# Connect to peripheral and then disconnect.
# Extra scan timeout allows for the peripheral to receive the previous disconnect
# event and start advertising again.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
return
conn_handle = waiting_events[_IRQ_PERIPHERAL_CONNECT]
ble.gap_connect(BDADDR[0], BDADDR[1], 5000)
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
if i < 4:
print("gattc_exchange_mtu")
ble.gattc_exchange_mtu(conn_handle)
if not wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS):
return
mtu = waiting_events[_IRQ_MTU_EXCHANGED]
mtu = wait_for_event(_IRQ_MTU_EXCHANGED, TIMEOUT_MS)
if not wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS):
return
wait_for_event(_IRQ_GATTC_NOTIFY, TIMEOUT_MS)
print("gattc_discover_characteristics")
ble.gattc_discover_characteristics(conn_handle, 1, 65535)
if not wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS):
return
value_handle = waiting_events[_IRQ_GATTC_CHARACTERISTIC_RESULT]
value_handle = wait_for_event(_IRQ_GATTC_CHARACTERISTIC_RESULT, TIMEOUT_MS)
wait_for_event(_IRQ_GATTC_CHARACTERISTIC_DONE, TIMEOUT_MS)
# 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)
if not wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS):
return
wait_for_event(_IRQ_GATTC_WRITE_DONE, TIMEOUT_MS)
# Disconnect from peripheral.
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
if not wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS):
return
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
finally:
ble.active(0)