def on_driver_event(self, nrf_driver, event):
if isinstance(event, nrf_events.GapEvtConnected):
conn_params = peer.ConnectionParameters(
event.conn_params.min_conn_interval_ms,
event.conn_params.max_conn_interval_ms,
event.conn_params.conn_sup_timeout_ms,
event.conn_params.slave_latency)
if event.role == nrf_events.BLEGapRoles.periph:
self.client.peer_connected(event.conn_handle, event.peer_addr,
conn_params)
else:
if self.connecting_peripheral.peer_address != event.peer_addr:
logger.warning(
"Mismatching address between connecting peripheral and peer event: "
"{} vs {}".format(self.connecting_peripheral.address,
event.peer_addr))
else:
self.connected_peripherals[
self.connecting_peripheral.
peer_address] = self.connecting_peripheral
self.connecting_peripheral.peer_connected(
event.conn_handle, event.peer_addr, conn_params)
self.connecting_peripheral = None
if isinstance(event, nrf_events.GapEvtTimeout):
if event.src == nrf_events.BLEGapTimeoutSrc.conn:
self.connecting_peripheral = None
if isinstance(event, nrf_events.GapEvtDisconnected):
for peer_address, p in self.connected_peripherals.items():
if p.conn_handle == event.conn_handle:
del self.connected_peripherals[peer_address]
return
def set_default_peripheral_connection_params(self, min_interval_ms, max_interval_ms, timeout_ms, slave_latency=0):
"""
Sets the default connection parameters for all subsequent connection attempts to peripherals.
Refer to the Bluetooth specifications for the valid ranges
:param min_interval_ms: The minimum desired connection interval, in milliseconds
:param max_interval_ms: The maximum desired connection interval, in milliseconds
:param timeout_ms: The connection timeout period, in milliseconds
:param slave_latency: The connection slave latency
"""
self._default_conn_params = peer.ConnectionParameters(min_interval_ms, max_interval_ms,
timeout_ms, slave_latency)
