def ask_all_sensors(remote_devices_id, status, url, filename, lock):
lock.acquire()
local_xbee = ZigBeeDevice(PORT, BAUD_RATE)
message = {'act': 1}
data_string = json.dumps(message)
measures = defaultdict(list)
try:
local_xbee.open()
xbee_network = local_xbee.get_network()
for xbee_id in remote_devices_id:
remote_xbee = xbee_network.discover_device(xbee_id)
if remote_xbee is None:
print('No se ha podido encontrar el dispositivo remoto')
continue
print('Enviando datos asincronamente %s >> %s' %
(remote_xbee.get_64bit_addr(), data_string))
local_xbee.send_data(remote_xbee, data_string)
xbee_message = local_xbee.read_data(3)
measure = xbee_message.data.decode()
print('Received message from %s: %s' %
(xbee_message.remote_device.get_64bit_addr(), measure))
json_measure = json.loads(measure)
json_measure['timestamp'] = str(datetime.utcnow())
measures[xbee_id].append(json_measure)
#if connected sends the file, if not, keeps it
write_to_file(filename, status, measures, url)
finally:
if local_xbee is not None and local_xbee.is_open():
local_xbee.close()
lock.release()
def ask_sensor(data, message_callback, lock):
message = data['message']
data_string = json.dumps(message)
REMOTE_NODE_ID = data['sensor']
lock.acquire()
local_xbee = ZigBeeDevice(PORT, BAUD_RATE)
try:
local_xbee.open()
xbee_network = local_xbee.get_network()
remote_xbee = xbee_network.discover_device(REMOTE_NODE_ID)
if remote_xbee is None:
print('No se ha podido encontrar el dispositivo remoto')
exit(1)
print('Enviando datos asincronamente %s >> %s' %
(remote_xbee.get_64bit_addr(), data_string))
local_xbee.send_data(remote_xbee, data_string)
xbee_message = local_xbee.read_data(3)
print('Received message from %s: %s' %
(xbee_message.remote_device.get_64bit_addr(),
xbee_message.data.decode()))
sensor_data = {
'sender': 'section 2',
'receiver': data['sender'],
'message': json.loads(xbee_message.data.decode())
}
message_callback(sensor_data)
finally:
if local_xbee is not None and local_xbee.is_open():
local_xbee.close()
lock.release()
