PX4 Firmware Guide
This chapter describes the points to be aware of when running PX4 firmware on the CUAV V5 series. The PX4 docs has the complete PX4 guide.
Loading firmware
CUAV V5 Series supports PX4. The following mainly explains how to load PX4 firmware.
TIP
CUAV V5 Series is compatible with PX4 v1.19.2 and above firmware。
Write firmware online:
Connect the controller to the computer, open the QGroundControl ground station, click the setting icon > click firmware.
Connect the controller to the computer through the usb cable, the following window will pop up on the right side of the ground station "Select PX4 Flight STACK required" OK
Write to local firmware：
- Download PX4 native firmware to local.
- Open the ground station > click the settings icon > click firmware
- Connect the controller to the computer through the usb cable, the following window will pop up on the right side of the ground station "Select PX4 Flight STACK required" Check advanced settings>custon firmware file "Find the downloaded firmware" ok
Serial Port Mapping(PX4)
| UART | Device | Port |
|---|---|---|
| UART1 | /dev/ttyS0 | GPS&Safety |
| USART2 | /dev/ttyS1 | TELEM1 (flow control) |
| USART3 | /dev/ttyS2 | TELEM2 (flow control) |
| UART4 | /dev/ttyS3 | UART4 |
| USART6 | /dev/ttyS4 | TX is RC input from SBUS_RC connector |
| UART7 | /dev/ttyS5 | DSU7（DEBUG) |
| UART8 | /dev/ttyS6 | PX4IO(V5+) |
Building Firmware
NOTE
Most users will not need to build this firmware!
It is pre-built and automatically installed by QGroundControl when appropriate hardware is connected.
To build PX4 for this target:
make cuav_x7pro_default.Supported Platforms / Airframes
Any multicopter / airplane / rover or boat that can be controlled with normal RC servos or Futaba S-Bus servos. The complete set of supported configurations can be seen in the Airframes Reference.
Power module
CUAV V5 Series ® comes standard with HV_PM, HV_PM connect to Power 1.
- Number of Cells :According to your battery to settings.
- Full voltage：The voltage of each section, the lithium battery is generally 4.2v
- Empty voltage：LiPo batteries are generally 3.7v, depending on the battery.
- Voltage divider： 18
- A/V：24