flipperzero-firmware/bootloader/ReadMe.md

1.2 KiB

Flipper bootloader

What it does?

  • [+] Hardware initialization
  • [+] Boot process LED indicators
  • [+] Firmware update
  • Firmware CRC check
  • Interactive UI
  • FS check
  • Recovery mode
  • Errata crutches

Targets

| Name | Bootloader | Firmware | Reset | DFU | | | Address | Address | Combo | Combo |

| f4 | 0x08000000 | 0x00008000 | L+Back | L+Back, hold L |

Also there is a ST bootloader combo available on empty device: L+Ok+Back, release Back,Left. Target independend code and headers in srcand target/include folders.

Building

With dev docker image:

docker-compose exec dev make -C bootloader

With toolchain installed in path:

make -C bootloader

Build Options

  • DEBUG - 0/1 - enable or disable debug build. Default is 1.
  • TARGET - string - target to build. Default is f4.

Flashing

Using stlink(st-flash):

make -C bootloader flash

Or use ST bootloader:

make -C bootloader upload

Debug

Using stlink (st-util + gdb):

make -C bootloader debug