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Andrew Tridgell
README.txt
These FMU and FMUv2 bootloader images are built from:
https://github.com/ArduPilot/Bootloader
Bootloader details
------------------
px4fmu_bl.bin:
for F405 based fmuv1
boots at 0x08004000
board ID 5
px4fmuv2_bl.bin:
for F427 based fmuv2 boards
boots at 0x08004000
board ID 9
px4fmuv4_bl.bin:
for F427 based fmuv4 boards
boots at 0x08004000
board ID 11
px4io_bl.bin:
for IOMCU on fmuv1
F4LightF405_bl.bin:
for F405 based boards running F4Light HAL
boots at 0x08010000
reserve sector at 0x08004000 for OSD storage
reserves sectors at 0x08008000 and 0x0800C000 for ArduPilot storage
board ID 70
px4fmuv4pro_bl.bin:
for F427 based p4pro board from drotek
skyviper_v2450_bl.bin:
for F427 based skyviper-v2450 boards (based on fmuv3)
reserves sectors 22 and 23 for ArduPilot storage
board ID 9
skyviperf412_bl.bin:
For F412 processors, setup to load on USART2 on pins PA2/PA3
Setup for code start at 0x0800C000
2 sectors reserved for storage, plus bootloader
Bootloader update on px4 builds
-------------------------------
For ArduPilot builds using HAL_PX4 the bootloaders are stored in ROMFS
to make it easier for users to update their bootloaders using:
bl_update /etc/bootloader/fmu_bl.bin
from a nsh prompt. Users can get a nsh prompt either via the CLI in
test -> shell, or by booting with no SD card installed
to use NSH to do this, please see the Wiki
http://dev.ardupilot.org/wiki/interfacing-with-pixhawk-using-the-nsh