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To add the SL USBIO board to Axxon One in Linux OS, do the following:

1. Download the archive and unzip the contents into one folder.

2. Build the driver:

   1. Open the console window in the /sl_usb_io directory.

   2. Rebuild the driver using the commands:

      Code Block
      language bash
      make clean make

   3. Open an additional console window in any directory. This window will be used for the driver debug message monitoring.
   4. Run the monitoring using commands:
      

      Code Block
      language bash
      sudo dmesg -C sudo dmesg -w

   5. Run the driver using the command:
      

      Code Block
      language bash
      sudo insmod "path to"/sl_usb_io/sl_usb_io.ko

      Immediately after the driver is launched, messages about the registration of a new driver will appear in the monitoring window. For example:
      

      Code Block
      language bash
      usbcore: registered new interface driver sl_usb_io_driver

   6. To stop the driver, run the command:
      

      Code Block
      language bash
      sudo rmmod "path to"/sl_usb_io/sl_usb_io.ko

3. Build the board kernel module using the command:
   

   Code Block
   language bash
   make -f Makefile

4. The sl_usb_io.ko kernel module will appear in the folder. It can be loaded and unloaded manually, but it is recommended to use the install_driver-1.sh script to automatically load the module when the system starts. To do this, place the install_driver-1.sh file in the same directory as sl_usb_io.ko and run the command:
   

   Code Block
   language bash
   sudo sh install_driver.sh

5. Reboot the system.

6. Launch the Axxon One Client.

7. Add the SL USBIO device by selecting Vendor → StreamLabs, and Model → USBIO-16/8.
8. In the IP address field, specify the path to the descriptor in the format /dev/sl_usb_io0, where 0 is the index of the first connected device. Next devices will have indexes 1, 2, and so on.
   

   Info
   title Note
   To check if the device is connected, run the command: Code Block language bash sudo ls /dev If only one device is connected, you can specify the path to the descriptor in the format /dev/sl_usb_io0.

9. Click on the button to add the board.

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sudo ./set_sl_rule.sh