Hydev

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# Building from source

## Requirements

* Usual compilation toolchain, arm-none-eabi * genromfs * python-empy python-pip * sudo pip install caktin_pkg

If you want to edit a board config, you also need kconfig-frontends (provided by PX4/NuttX, use the setenv tool )

## Build

* make help

  Useful to know the available targets

* make BOARDS=yourtarget archives

  Build the NuttX OS archive for _yourtarget_

* make BOARDS=yourtarget yourtarget_default

  Build PX4 for _yourtarget_

* make BOARDS=yourtarget yourtarget_default upload

  Build PX4 and upload using PX4 Bootloader (USB)

### Combo

  make BOARDS=yourtarget archives yourtarget_default upload

## Flash

### DFU

* https://pixhawk.org/dev/bootloader_update#updating_the_onboard_bootloader

### PX4 Bootloader

* https://pixhawk.org/dev/nuttx/building_and_flashing_console

## Debug

  openocd -f interface/stlink-v2.cfg -f target/stm32f4x_stlink.cfg

In GDB:

  tar ext :3333
  # 'n debug...