def main():
# Parse arguments
parser = argparse.ArgumentParser(
description='Detects current UART bitrate of GNSS modem')
parser.add_argument(
'-v', '--verbose',
action='store_true',
dest='verbose',
help='be verbose, show debug output')
parser.add_argument(
'current',
help="current bitrate of receiver", type=int)
parser.add_argument(
'new',
help="new bitrate to set", type=int)
args = parser.parse_args()
logger.setLevel(logging.INFO)
if args.verbose:
logger.setLevel(logging.DEBUG)
# Create UBX library
# Note: tty and baudrate must match current receiver configuration
ubx = GnssUBlox(TTY, args.current)
ubx.setup()
# Register the frame types we use
ubx.register_frame(UbxCfgPrtUart)
# Get current tty port settings from modem
poll_cfg = UbxCfgPrtPoll()
poll_cfg.f.PortId = UbxCfgPrtPoll.PORTID_Uart
port_cfg = ubx.poll(poll_cfg)
if port_cfg:
print(f'Current port config is\n{port_cfg}')
print(f'Current modem bitrate is {port_cfg.f.baudRate} bps')
assert args.current == port_cfg.f.baudRate
# Set new bitrate
print(f'Changing bitrate to {args.new}')
port_cfg.f.baudRate = args.new
# Note: usually we would use ubx.set() to send the request and wait for an ack
# Unfortunately the modem changes the bitrate immediately so the ACK is not
# received.
ubx.fire_and_forget(port_cfg)
print('Done, please use detect_bitrate.py to check')
else:
print("No answer from modem. Is current bitrate correct?")
# No answer...
pass
ubx.cleanup()
def main():
# Parse arguments
parser = argparse.ArgumentParser(description='Manages GNSS modem')
parser.add_argument('-v',
'--verbose',
action='store_true',
dest='verbose',
help='be verbose, show debug output')
parser.add_argument('action',
choices=['start', 'stop'],
help="selects action to perform")
args = parser.parse_args()
logger.setLevel(logging.INFO)
if args.verbose:
logger.setLevel(logging.DEBUG)
# Create UBX library
ubx = GnssUBlox('/dev/gnss0')
ubx.setup()
# Register the frame types we use
ubx.register_frame(UbxMonVer)
ubx.register_frame(UbxUpdSos)
ubx.register_frame(UbxCfgNavx5)
# Execute desired commands
# show_version(ubx)
if args.action == 'start':
# Set UTC time so that recovery from 2D-DR also works
enable_mga_ack(ubx)
set_time(ubx)
# Check if a backup was present
res = check_sos_state(ubx)
if res == 2:
remove_backup(ubx)
elif args.action == 'stop':
stop_receiver(ubx)
create_backup(ubx)
else:
logger.warning(f'unknown command {args.action}')
ubx.cleanup()
FORMAT = '%(asctime)-15s %(levelname)-8s %(message)s'
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.DEBUG)
# Create UBX library
ubx = GnssUBlox('/dev/gnss0')
# ubx = GnssUBlox()
ready = ubx.setup()
assert ready
# Register the frame types we use
protocols = [UbxMonVer, UbxEsfStatus, UbxEsfAlg, UbxNavStatus]
for p in protocols:
ubx.register_frame(p)
# ubx.register_frame(UbxMonVer)
# ubx.register_frame(UbxEsfStatus)
ubx.register_frame(UbxCfgTp5)
ubx.register_frame(UbxCfgNmea)
# ubx.register_frame(UbxCfgNav5)
ubx.register_frame(UbxCfgEsfAlg)
# ubx.register_frame(UbxEsfAlg)
m = UbxMonVerPoll()
res = ubx.poll(m)
print(res)
m = UbxCfgNmeaPoll()
res = ubx.poll(m)
FORMAT = '%(asctime)-15s %(levelname)-8s %(message)s'
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.INFO)
logger.setLevel(logging.DEBUG)
# Create UBX library
# ubx = GnssUBlox()
ubx = GnssUBlox('/dev/gnss0', 115200)
ubx.setup()
# Register the frame types we use
ubx.register_frame(UbxCfgGnss)
# Query modem for current protocol settings
poll_nmea_cfg = UbxCfgGnssPoll()
res = ubx.poll(poll_nmea_cfg)
if res:
print(res)
# Change the GNSS systems
# res.gps_glonass()
res.gps_galileo_beidou()
####
# By adding the following line an incorrect system constellation is selected
# The receiver will reject this request with a NAK
# res.enable_gnss(UbxCfgGnss.GNSS_GLONASS)
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.INFO)
# logger.setLevel(logging.DEBUG)
# Create UBX library
# Note: tty and baudrate must match current receiver configuration
ubx = GnssUBlox('/dev/gnss0', 115200)
res = ubx.setup()
if not res:
print('Cannot setup library')
quit(10)
# Register the frame types we use
ubx.register_frame(UbxMonVer)
# Poll version from modem
poll_version = UbxMonVerPoll()
res = ubx.poll(poll_version)
if res:
# Simple print of received answer frame
print(f'Received answer from modem\n{res}')
# Can also access fields of UbxMonVer via .f member
print()
print(f'SW Version: {res.f.swVersion}')
print(f'HW Version: {res.f.hwVersion}')
else:
print('no answer from modem')
FORMAT = '%(asctime)-15s %(levelname)-8s %(message)s'
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.INFO)
# logger.setLevel(logging.DEBUG)
# Create UBX library
# ubx = GnssUBlox()
ubx = GnssUBloxTTY('/dev/gnss0', 115200)
res = ubx.setup()
if not res:
print('Cannot setup library')
quit(10)
# Register the frame types we use
ubx.register_frame(UbxCfgPrtUart)
# Poll version from modem
poll_cfg = UbxCfgPrtPoll()
poll_cfg.f.PortId = UbxCfgPrtPoll.PORTID_Uart
res = ubx.poll(poll_cfg)
if res:
# Simple print of received answer frame
print(f'Received answer from modem\n{res}')
# Get out protocol as value and string
print(res.get('outProtoMask').value)
print(res.get('outProtoMask').protocols)
else:
print('Poll failed')
FORMAT = '%(asctime)-15s %(levelname)-8s %(message)s'
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.INFO)
logger.setLevel(logging.DEBUG)
# Create UBX library
# ubx = GnssUBlox()
ubx = GnssUBloxTTY('/dev/gnss0', 115200)
res = ubx.setup()
if not res:
print('Cannot setup library')
quit(10)
# Register the frame types we use
ubx.register_frame(UbxEsfStatus)
# Get state and print in full once
res = ubx.poll(UbxEsfStatusPoll())
print(f'Received answer from modem\n{res}')
print('Checking state, press CTRL+C to abort')
try:
esf_status_request = UbxEsfStatusPoll()
while True:
res = ubx.poll(esf_status_request)
print(f'GNSS time of week {res.f.iTow}')
print(
f' {res.get("fusionMode")} (value: {res.get("fusionMode").value})'
)
FORMAT = '%(asctime)-15s %(levelname)-8s %(message)s'
logging.basicConfig(format=FORMAT)
logger = logging.getLogger('ubxlib')
logger.setLevel(logging.INFO)
logger.setLevel(logging.DEBUG)
# Create UBX library
# ubx = GnssUBlox()
ubx = GnssUBloxTTY('/dev/gnss0', 115200)
res = ubx.setup()
if not res:
print('Cannot setup library')
quit(10)
# Register the frame types we use
ubx.register_frame(UbxCfgNmea)
# Query modem for current protocol settings
poll_nmea_cfg = UbxCfgNmeaPoll()
res = ubx.poll(poll_nmea_cfg)
if res:
proto_ver = res.f.nmeaVersion // 16 # Protocol is encoded in high/low nibble
proto_rev = res.f.nmeaVersion % 16 # e.g. 0x40 = 4.0
print(f'current NMEA protocol version is {proto_ver}.{proto_rev}')
# Now change to something different
if res.f.nmeaVersion == 0x40:
res.f.nmeaVersion = 0x41
else:
res.f.nmeaVersion = 0x40