example.py

#!/usr/bin/env python3
import serial

from ubx_cmd import UbxCmd

# s = serial.Serial("COM6") # Windows
s = serial.Serial(
    "/dev/ttyAMA0",
    exclusive=True,
    baudrate=9600,
    bytesize=8,
    parity=serial.PARITY_NONE,
    stopbits=1.0,
    timeout=1,
    xonxoff=False,
    rtscts=False,
    dsrdtr=False,
)  # Linux

ubx = UbxCmd(s, read=True, write=True)
print(ubx)
ubx.ubx_cfg_cfg_reset_all()

# explicitly set protocols allowed on UART1
ubx.ubx_cfg_prt_uart(
    uart=ubx.PORT.UART1,
    in_protocol=ubx.INOUT_PROTOCOL.NMEA | ubx.INOUT_PROTOCOL.UBX,
    out_protocol=ubx.INOUT_PROTOCOL.NMEA | ubx.INOUT_PROTOCOL.UBX,
)

# configure GNSS systems:
# enable major GPS, Galileo, BeiDou; minor QZSS, SBAS
ubx.ubx_cfg_gnss_enabled(
    gnss=[
        ubx.GNSS_ID_MAJOR.GPS,
        ubx.GNSS_ID_MAJOR.Galileo,
        ubx.GNSS_ID_MAJOR.BeiDou,
        ubx.GNSS_ID_AUGMENT.QZSS,
        ubx.GNSS_ID_AUGMENT.SBAS,
    ]
)
ubx.ubx_cfg_gnss_gps(min_channels=8, max_channels=24)
ubx.ubx_cfg_gnss_galileo(min_channels=4, max_channels=12)
ubx.ubx_cfg_gnss_beidou(min_channels=8, max_channels=24)

# we can see QZSS here, use it
ubx.ubx_cfg_gnss_qzss(min_channels=2, max_channels=4, sig_cfg_mask=0x05)

# new SouthPAN SBAS system is currently in test mode using PRN122
ubx.ubx_cfg_gnss_sbas(
    min_channels=1,
    max_channels=2,
    test_mode=True,
    ranging=False,
    correction=True,
    integrity=False,
    prn_mask=ubx.SBAS_PRN.PRN122,
)

# disable NMEA-GSV spam
ubx.ubx_cfg_msg(0xF0, 0x03, rate=0)

# enable NMEA-ZDA date/time messages
ubx.ubx_cfg_msg(0xF0, 0x08, rate=1)

ubx.ubx_cfg_cfg_save_all()

# stop ubx processing threads
ubx.close()
s.cancel_write()
s.cancel_read()

s.close()