Add L72K GPS with Orange PI post

content/posts/orange-pi-5-L76K-gps/index.md

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+title = "L72K GPS with Orange PI 5"
+date = "2024-01-29T13:03:30+04:00"
+author = "sergeygals"
+authorTwitter = "" #do not include @
+cover = ""
+tags = ["orange pi 5", "kali", "kali linux", "gps", "L72K", "gpsd"]
+keywords = ["", ""]
+description = "L72K GPS with Orange PI 5"
+showFullContent = false
+readingTime = true
+hideComments = true
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+
+# Hardware
+
+1. Orange PI 5
+2. L76K module
+
+| ![L76K-1](l76k-1.webp) | ![L76K-2](l76k-2.webp) | ![L76K-3](l76k-3.webp) |
+|------------------------|------------------------|------------------------|
+
+# 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
+    ## /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`