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tests/multi_bluetooth: Make ble_gap_connect robust against event timing.

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This commit is contained in:
Jim Mussared 2020-08-31 15:54:20 +10:00 committed by Damien George
parent 0f28020a68
commit 5eda362e0a
2 changed files with 38 additions and 24 deletions
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61
tests/multi_bluetooth/ble_gap_connect.py
View File

@ -10,35 +10,36 @@ _IRQ_CENTRAL_DISCONNECT = const(2)
_IRQ_PERIPHERAL_CONNECT = const(7)
_IRQ_PERIPHERAL_DISCONNECT = const(8)
waiting_event = None
waiting_data = None
central_connected = False
central_disconnected = False
peripheral_connected = False
peripheral_disconnected = False
conn_handle = None
def irq(event, data):
global waiting_event, waiting_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]
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]
elif event == _IRQ_PERIPHERAL_DISCONNECT:
print("_IRQ_PERIPHERAL_DISCONNECT")
if waiting_event is not None:
if event == waiting_event:
waiting_event = None
waiting_data = data
peripheral_disconnected = True
remote_addr = data[0]
def wait_for_event(event, timeout_ms):
global waiting_event, waiting_data
waiting_event = event
waiting_data = None
def wait_for(fn, timeout_ms):
t0 = time.ticks_ms()
while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
if waiting_data:
if fn():
return True
machine.idle()
return False
@ -46,25 +47,31 @@ def wait_for_event(event, timeout_ms):
# 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_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
if not wait_for(lambda: central_connected, TIMEOUT_MS):
return
if not wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS):
if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
return
central_connected = False
central_disconnected = False
# 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_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS):
if not wait_for(lambda: central_connected, TIMEOUT_MS):
return
print("gap_disconnect:", ble.gap_disconnect(waiting_data[0]))
if not wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS):
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
return
finally:
ble.active(0)
@ -72,26 +79,32 @@ def instance0():
# 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_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
return
print("gap_disconnect:", ble.gap_disconnect(waiting_data[0]))
if not wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, 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)
# Connect to peripheral and then let the peripheral disconnect us.
print("gap_connect")
ble.gap_connect(*BDADDR)
if not wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS):
if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
return
if not wait_for(lambda: peripheral_disconnected, TIMEOUT_MS):
return
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
finally:
ble.active(0)

1
tests/multi_bluetooth/ble_gap_connect.py.exp
View File

@ -2,6 +2,7 @@
gap_advertise
_IRQ_CENTRAL_CONNECT
_IRQ_CENTRAL_DISCONNECT
gap_advertise
_IRQ_CENTRAL_CONNECT
gap_disconnect: True
_IRQ_CENTRAL_DISCONNECT