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This is an old revision of the document!
The Crazyflie and Crazyflie 2.0 has the possibility to be updated/flashed over the air using the Crazyradio or Crazyradio PA. This will cover how to do it using the make util.
(This has been tested on ubuntu but should work on mac and windows with the necessary tools installed)
For it to work out of the box the crazyflie-clients-python and the crazyflie-firmware needs to be located in the same directory. If it isn't the cfloader path can be altered in the Crazyflie Makefile
CLOAD_SCRIPT ?= ../crazyflie-clients-python/bin/cfloader
Then go into the crazyflie-firmware directory and compile the firmware. The firmware should be compiled with CLOAD=1 (default). If it is the compilation output will say “CrazyLoader build!” in the end.
cf@bitcraze:~/projects/crazyflie-firmware$ make -j4 ... LD cflie.elf COPY cflie.hex COPY cflie.bin text data bss dec hex filename 73992 1112 26892 101996 18e6c cflie.elf Build g05f2a3b3a726:05f2a3b3a726 (2014.01.0-15) MODIFIED CrazyLoader build! rm version.c
When the code has been compiled without any errors it is time to put the crazyflie on bootloader mode.
Crazyflie | Crazyflie 2.0 | |
Power it on after lanching the script | When turning it on hold the button until the blue led starts to blink |
To lanch the firmware update run “make cload”
cf@bitcraze:~/projects/crazyflie-firmware$ make cload ../crazyflie-clients-python/bin/cfloader flash cflie.bin stm32-fw Restart the Crazyflie you want to bootload in the next 10 seconds ... done! Connected to bootloader on Crazyflie 2.0 (version=0x10) Target info: nrf51 (0xFE) Flash pages: 232 | Page size: 1024 | Buffer pages: 1 | Start page: 88 144 KBytes of flash avaliable for firmware image. Target info: stm32 (0xFF) Flash pages: 1024 | Page size: 1024 | Buffer pages: 10 | Start page: 16 1008 KBytes of flash avaliable for firmware image. Flashing to stm32 (fw): 75119 bytes (74 pages) ..........10..........10..........10..........10..........10..........10..........10....4 Reset in firmware mode ...
The STM32 firmware has now been flashed!