Hardware⏱️ 2 min read📅 2026-05-30

How to Fix 0xd Error – ft200xd driver. How to see what current settings are. (baud rate etc)

Find current serial settings for ft200xd chip on Linux host machine.

Quick Answer: Use the 'i2cdetect' command to view I2C bus information, and then use the 'i2cget' or 'i2cset' commands to retrieve or modify serial settings.

📋 Table of Contents

  1. 🔧 Proven Troubleshooting Steps
  2. 💡 Conclusion

To determine the current serial settings of your ft200xd device, you can use the i2cdetect command in Linux. This will display a list of I2C buses and their corresponding addresses.

🔧 Proven Troubleshooting Steps

Method 1: Using i2cdetect

  1. Step 1: Open a terminal on your Linux machine and run the command `i2cdetect -y ` where `` is the number of the I2C bus connected to the ft200xd device.

    Example:

    sudo i2cdetect -y 1

Method 2: Using lsusb

  1. Step 1: Run the command `lsusb -v` to display detailed information about your USB devices, including serial settings.

    Example:

    sudo lsusb -v | grep FT200X

💡 Conclusion

By following these steps, you should be able to determine the current serial settings of your ft200xd device and configure your host machine accordingly.

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