def wait_packet(self, clazz):
"""
Wait for a specific packet type.
"""
while True:
pkt = PacketRegistry.decode(self.read())
if isinstance(pkt, clazz):
return pkt
def recover_connection(self,
access_address,
channel_map=None,
hop_interval=None):
"""
Recover an existing connection.
"""
self.write(
RecoverCrcInitCommand(access_address, channel_map, hop_interval))
self.wait_packet(RecoverResponse)
while True:
# get packet
pkt = PacketRegistry.decode(self.read())
yield pkt