Must ORG application to be bootloader to 0x1800 !

latest versions are in github https://github.com/charlie-x/l1_demoboard

might need to correct some of the offsets in the gld scripts.

Usb device

application loader

application flashing

Bootloader HEX file

bootloader.7z

QT Windows Version of HID bootloader

qt_hidbootloader_win.zip

Native versions of windows / osx and linux bootloader tool

hid.7z

application setup

Org your code to 0x1800 example :

  program (xr)   : ORIGIN = 0x1800,         LENGTH = 0x2A9F6

jumper goes here, red wires are an LED, look for the jumper next to it.