HOW to use OLED for PIXHAWK

Use OLED for PIXHAWK, must follow these steps,

1. Connect OLED to I2C port of Pixhawk
2. Upload ardupilot firmware, at least 3.5 version, below 3.5 version will not be display.
3. Use Mission Planner to modify parameters NTF_DISPLAY_TYPE to 1. After modify, remember to click “Write Params” button.
4. Reboot the board.
5. Note:Now the OLED is only supported for ardupilot firmware,can not be supported PX4 firmware.