def remote_query(ser, remote, param):
success = 0
command_dict = {
'PL': b'QP',
'CH': b'QC',
'A': b'QA',
'T': b'QT',
'WR': b'DW',
'S': b'QS'
}
data = command_dict[param]
payload = pe.gen_txreq('01', remote, '00', '00', mf.hexstr(data))
bytestr = pe.gen_headtail(payload)
ser.write(bytestr)
while success == 0:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return 0
if success == 0:
print('Error receiving response from Transmit request')
return success
if payload[0] == 0x8b:
error = pd.decode_txstat(payload)
if error == 1:
print('Error reported by transmit status')
return 0
else:
success = 1
else:
success = 0
# Read Transmitted values
success = 0
print('Remote node response:')
while success == 0:
success, payload = pd.rxpacket_buffered(ser)
#print('payload: {}'.format(payload))
if payload == b'':
print('Serial timeout')
return 0
if payload[0] == 0x90:
#print('-- received packet')
pd.decode_rxpacket(payload)
success = 1
else:
success = 0
def remote_aggre(ser, remote, addr):
success = 0
# Arguments check
if len(remote) != 16:
print('Invalid remote node address')
return success
if len(addr) != 16:
print('Invalid aggregator address')
return success
addr_b = mf.hexstr2byte(addr)
remote_b = mf.hexstr2byte(remote)
bytestr = pe.debug_setaddr(addr_b, remote_b)
ser.write(bytestr)
payload = b'\x00'
while payload[0] != 0x8b:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return 0
if success == 0:
print('Error receiving response from Transmit request')
return success
if payload[0] == 0x8b:
error = pd.decode_txstat(payload)
if error == 1:
print('Error reported by Transmit status')
return 0
print('Remote {} aggregator now set to {}'.format(remote, addr))
success = 1
return success
def remote_power(ser, remote, power):
success = 0
# Arguments check
if len(remote) != 16:
print('Invalid remote node address')
return success
if (power > 4) | (power < 0):
print('Invalid XBee power')
return success
remote_b = mf.hexstr2byte(remote)
power_b = (power).to_bytes(1, 'big')
bytestr = pe.debug_power(power_b, remote_b)
ser.write(bytestr)
payload = b'\x00'
while payload[0] != 0x8b:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return 0
if success == 0:
print('Error receiving response from Transmit request')
return success
if payload[0] == 0x8b:
error = pd.decode_txstat(payload)
if error == 1:
print('Error reported by Transmit status')
return 0
print('Remote {} power now set to {}'.format(remote, power))
success = 1
return success
def remote_nodeloc(ser, remote, loc):
success = 0
maxlen = 20
length = len(loc)
if length > maxlen:
print('Exceeded maximum node loc length')
return 0
length_b = (length).to_bytes(1, 'big')
data = b'DL' + length_b + bytes(loc, 'ascii')
payload = pe.gen_txreq('01', remote, '00', '00', mf.hexstr(data))
bytestr = pe.gen_headtail(payload)
ser.write(bytestr)
while success == 0:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return 0
else:
if success == 1:
if payload[0] == 0x8b:
error = pd.decode_txstat(payload)
if error == 0:
print('Remote node {} node loc set'.format(remote))
return 1
success = 0
def remote_start(ser, remote, period):
timeout_max = 5
if period > 255:
print('Invalid period')
return 0
remote_b = mf.hexstr2byte(remote)
bytestr = pe.start_sensing(period, remote_b)
ser.write(bytestr)
timeouts = 0
while 1:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout, Sending start again')
timeouts = timeouts + 1
ser.write(bytestr)
else:
if success == 1:
success = pd.decode_startack(payload, remote_b)
if success == 1:
print('Remote node {} started'.format(remote))
return success
if timeouts == timeout_max:
return 0
def remote_stop(ser, remote):
timeout_max = 5
remote_b = mf.hexstr2byte(remote)
bytestr = pe.stop_sensing(remote_b)
ser.write(bytestr)
timeouts = 0
while 1:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout, Sending stop again')
timeouts = timeouts + 1
ser.write(bytestr)
else:
if success == 1:
success = pd.decode_stopack(payload, remote_b)
if success == 1:
print('Remote node {} stopped'.format(remote))
return success
if timeouts == timeout_max:
return 0
def config(device, power, channel):
ser = serial.Serial(port=device, timeout=5)
# Set power
if (power > 4) | (power < 0):
print('Invalid power')
return ser
bytestr = pe.atcom_set('PL', (power).to_bytes(1, 'big'))
ser.write(bytestr)
payload = b'\x00'
while payload[0] != 0x88:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return ser
if success == 0:
print('Error receiving response from AT set PL')
return ser
if payload[0] == 0x88:
error = pd.decode_atcomres(payload)
if error == 1:
print('Error reported by AT command response')
return success
print('Set power {}: success'.format(power))
# Set channel
if (channel > 26) | (channel < 11):
print('Invalid channel')
return ser
bytestr = pe.atcom_set('CH', (channel).to_bytes(1, 'big'))
ser.write(bytestr)
payload = b'\x00'
while payload[0] != 0x88:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return ser
if success == 0:
print('Error receiving response from AT set CH')
return ser
if payload[0] == 0x88:
error = pd.decode_atcomres(payload)
if error == 1:
print('Error reported by AT command response')
return success
print('Set channel {}: success'.format(channel))
# Write to NVM
bytestr = pe.atcom_query('WR')
ser.write(bytestr)
payload = b'\x00'
while payload[0] != 0x88:
success, payload = pd.rxpacket_buffered(ser)
if payload == b'':
print('Serial timeout')
return ser
if success == 0:
print('Error receiving response from AT query WR')
return ser
if payload[0] == 0x88:
error = pd.decode_atcomres(payload)
if error == 1:
print('Error reported by AT command response')
return success
print('Configuration saved to NVM')
return ser
timeout_max = int(args.timeout)
else:
timeout_max = 5
## Configure UART
print('** Step 1. Configuring local UART **')
#ser = c.cmdtest_uartsetup(port=dev,timeout=5)
device = '/dev/ttyUSB' + str(dev)
ser = serial.Serial(port=device, timeout=5)
remote = c.cmdtest_addrconv(args.nodeaddr)
## Set channel
print('** Step 2. Setting local channel to 0x{} **'.format(mf.hexstr(ch)))
tx_packet = pe.atcom_query('CH')
ser.write(tx_packet)
status, payload = pd.rxpacket_buffered(ser)
if status != 1:
print('-- Error receiving internal packet (atcom_query)')
quit()
status = pd.decode_payload(payload)
if status != 0:
print('-- Error decoding internal packet (atcom_query)')
quit()
tx_packet = pe.atcom_set('CH', ch)
ser.write(tx_packet)
status, payload = pd.rxpacket_buffered(ser)
status = pd.decode_payload(payload)
if status != 0:
print('-- Error setting AT parameter CH')
quit()