You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.7 KiB
88 lines
2.7 KiB
# Test BLE GAP connect/disconnect
|
|
|
|
from micropython import const
|
|
import time, machine, bluetooth
|
|
|
|
TIMEOUT_MS = 4000
|
|
|
|
_IRQ_CENTRAL_CONNECT = const(1)
|
|
_IRQ_CENTRAL_DISCONNECT = const(2)
|
|
_IRQ_PERIPHERAL_CONNECT = const(7)
|
|
_IRQ_PERIPHERAL_DISCONNECT = const(8)
|
|
|
|
waiting_events = {}
|
|
|
|
|
|
def irq(event, data):
|
|
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")
|
|
|
|
if event not in waiting_events:
|
|
waiting_events[event] = None
|
|
|
|
|
|
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 waiting_events.pop(event)
|
|
machine.idle()
|
|
raise ValueError("Timeout waiting for {}".format(event))
|
|
|
|
|
|
# Acting in peripheral role.
|
|
def instance0():
|
|
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.
|
|
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.
|
|
conn_handle = wait_for_event(_IRQ_CENTRAL_CONNECT, TIMEOUT_MS)
|
|
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
|
|
wait_for_event(_IRQ_CENTRAL_DISCONNECT, TIMEOUT_MS)
|
|
finally:
|
|
ble.active(0)
|
|
|
|
|
|
# Acting in central role.
|
|
def instance1():
|
|
multitest.next()
|
|
try:
|
|
# Connect to peripheral and then disconnect.
|
|
print("gap_connect")
|
|
ble.gap_connect(*BDADDR)
|
|
conn_handle = wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
|
|
print("gap_disconnect:", ble.gap_disconnect(conn_handle))
|
|
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[0], BDADDR[1], 5000)
|
|
wait_for_event(_IRQ_PERIPHERAL_CONNECT, TIMEOUT_MS)
|
|
wait_for_event(_IRQ_PERIPHERAL_DISCONNECT, TIMEOUT_MS)
|
|
finally:
|
|
ble.active(0)
|
|
|
|
|
|
ble = bluetooth.BLE()
|
|
ble.active(1)
|
|
ble.irq(irq)
|
|
|