DRONE controller firmware flashing

Instructions for reflashing

At the time of writing the instructions, the main firmware that is installed on all drones is 4.4.0. This firmware version limits the work with the Betaflight configurator program (in particular, interaction with the “Servos” tab). To eliminate these limitations, you need to flash the drone to version 4.4.2. and enable servo support

1. To do this, connect the chimera to the computer;
2. Turn on Betaflight configurator;
3. Before starting work, you need to save all the settings. To do this, go to the “Command line” section and enter the “dump” command;
4. Click the “Save to file” button in the lower right corner and name it so that in the future it will be clear what it is;
5. In the first menu, before pressing the “Connect” button, on the left side of the screen, press the “Programmer” button;
6. In the screen that opens, in the “Select flight controller” field, select

name of the drone’s flight controller;

7. Automatically, depending on the flight controller, the most current firmware is selected, if this does not happen, you can select it manually; 8. It is necessary to mark the position “Full chip erase”;
8. The completed fields should look like this

Programmer

Show release candidates

IFLIGHT BLITZ F722

4.4.2 [01-Jun-2023]

No reboot

Complete erase

Manual bitrate 256000

10. Go down and in the “Radio protocol>” section set CRSF;
11. In the “Other Options” section, add the “Servo” position;
12. “Telemetry protocol” should be set to “None”;
13. «Motor Protocol>» – DSHOT;

CRSECHST SEUS

Other Ostians 14. VA

15. At the bottom of the screen, click the button “Download firmware (online)>> to do this, you will need to connect to the internet;

Loaded Online Firmware: betaflight_4.4.2_STM32F7X2_IFLIGHT_BLITZ_F722_7f5062a8.hex

16. If the firmware has loaded correctly, the following message will appear in the lower left corner
17. Now the “Flash firmware” button is available for pressing, click on it;

18. If this message appears in the lower left corner

Please download the firmware file

then you need to put the flight controller into bootloader mode;

19. To do this, you will need a special program that forcibly switches the flight controller to bootloader mode;

20. To get this program, you need to go to the “Welcome” tab on the home page and click as indicated here ↓

For legacy hardware using a CP210x USB to serial chip

The latest CP210x Drivers can be downloaded from here The latest Zadig for Windows USB driver installation can be downloaded Rom here

ImpulseRC Driver Fixer con be downloaded here

in the “Fixing Drivers” section, click on “Fixing ImpulseRC Drivers”;

21. Turn off Betaflight configurator, physically disconnect the drone from the PC, launch the program that you just installed;

ImpulseRC

22. The program searches for the controller Sancting fer fight rentme , after this line is displayed, connect the drone to the PC. If everything went correctly, then after the inscription <<Installing DFU drivers» the program will close and in the Betaflight configurator in the upper right corner there will be an inscription as in the image;

DELL-STMOD BOOTLOADER

Update firmware

Connect

23. Repeat steps 6-15. First, all information from the flight controller will be erased.

then a new one will be installed and at the end this message should appear

Proshinka

Firmware: SUCCESSFUL

24. To check the correct operation, connect to the flight controller (the “Connect” button in the upper right corner);

25. If the firmware is 4.4.2 (at the time of writing the instructions), then everything went well

Configurator: 10.9.0 (6979436)

Firmware: 4.4.2 BTFL

Target: IFRC/IFLIGHT_BLITZ_F722(STM32F7X2)

right

26. Now you need to restore all the settings. To do this, go to the command line again and load the file that you created in step 4 (via the “Load from file” button, at the end do not forget to write “Save”).