Hardware⌗

  1. Orange PI 5
  2. L76K module
L76K-1L76K-2L76K-3

Software⌗

Enable UART0 module on orange pi 5⌗

  1. Add U_BOOT_FDT_OVERLAYS_DIR and U_BOOT_FDT_OVERLAYS to /etc/default/u-boot

    /etc/default/u-boot⌗

    ## /etc/default/u-boot - configuration file for u-boot-update(8)
U_BOOT_MENU_LABEL="Kali Linux"
U_BOOT_PARAMETERS="console=tty1 ro rootwait"
U_BOOT_FDT="/boot/dtb/rockchip/rk3588s-orangepi-5.dtb"
U_BOOT_FDT_OVERLAYS_DIR="/boot/dtb-5.10.110-rockchip-rk3588/rockchip/overlay"
U_BOOT_FDT_OVERLAYS="rk3588-uart0-m2.dtbo"
  2. Run sudo u-boot-update and sudo reboot.
  3. Make sure /dev/ttyS0 exists after reboot.
  4. Check work by sudo minicom -D /dev/ttyS0 -b 9600, you should see likes this output:
    $GNVTG,,,,,,,,,N*2E
$GNZDA,095735.000,29,01,2024,00,00*4B
$GPTXT,01,01,01,ANTENNA OK*35

Configure gpsd⌗

  1. Install by apt install gpsd
  2. Edit /etc/default/gpsd
    DEVICES="/dev/ttyS0"
GPSD_OPTIONS=""
USBAUTO="true"
  3. Start gpsd by sudo systemctl start gpsd
  4. Check output for sudo cgps