Embedded DFU bootloader - JohnHau/mis GitHub Wiki
https://ardupilot.org/dev/docs/using-DFU-to-load-bootloader.html https://www.st.com/resource/en/application_note/cd00264379-usb-dfu-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf
https://learn.adafruit.com/adafruit-stm32f405-feather-express/dfu-bootloader-details
http://ww1.microchip.com/downloads/en/devicedoc/doc7618.pdf
https://github.com/devanlai/dapboot https://github.com/davidgfnet/stm32-dfu-bootloader
https://dfu-programmer.github.io/
https://www.silabs.com/documents/public/application-notes/an1086-gecko-bootloader-bluetooth.pdf https://wiki.makerdiary.com/nrf52840-mdk-usb-dongle/programming/ https://www.dream.fr/progsam/Dream_DFU_Tools/SAM5000_DFU.pdf https://www.lairdconnect.com/support/faqs/firmware-update-over-uart-using-bgapi-uart-dfu-bootloader
https://techoverflow.net/2021/10/17/implementing-stm32-dfu-bootloader-firmware-upgrade-in-marlin-using-m997/ https://www.digikey.com/htmldatasheets/production/2802024/0/0/1/usb-dfu-bootloader-datasheet.html
https://software-dl.ti.com/processor-sdk-linux/esd/docs/08_00_00_21/linux/Foundational_Components/U-Boot/UG-DFU.html https://docs.zephyrproject.org/3.1.0/services/device_mgmt/dfu.html https://microchipsupport.force.com/s/article/UC3A0-1-DFU-Bootloader-Re-flash-Utility
https://forums.mbed.com/t/jump-to-dfu-bootloader-mbed/12157 https://docs.rs/usbd-dfu-rt/latest/usbd_dfu_rt/
https://www.stm32duino.com/viewtopic.php?t=1234&start=20 https://support.arduino.cc/hc/en-us/articles/4408887452434-Flash-USB-to-serial-firmware-in-DFU-mode https://docs.keeb.io/dfu-on-pro-micro
https://groups.google.com/g/lufa-support/c/Stja9gQSqqU https://www.avrfreaks.net/forum/jumping-dfu-bootloader-and-stay-there https://community.platformio.org/t/atmel-usb-dfu-bootloader/11888
https://osmocom.org/issues/4302
https://community.arm.com/support-forums/f/keil-forum/28789/how-to-start-dfu-bootloader
https://dojofive.com/blog/nordic-dfu-like-a-rockstar/
https://novelbits.io/ota-device-firmware-update-part-2/
https://wiki.paparazziuav.org/wiki/DFU https://www.nongnu.org/avrdude/user-manual/avrdude_16.html
https://www.onsemi.com/forum/t/bootloader-and-dfu-service/1829
https://datasheetspdf.com/pdf/680078/ATMEL/AT90USB128X/1
https://qmk.fm/changes/2017-11-17-qmk-dfu-bootloader-generation https://electronics.stackexchange.com/questions/586676/stm32f401-fails-to-enter-dfu-mode https://www.eevblog.com/forum/microcontrollers/dfu-bootloader-for-stm32f103/
https://xdevs.com/guide/sbl_11u68/
https://xdevs.com/guide/sbl_11u68/ https://lightrun.com/answers/nordicsemiconductor-android-dfu-library-dfu-problems-on-huawei-devices https://busware.de/tiki-index.php?page=DFU+Bootloader
https://www.yumpu.com/en/document/view/49539643/usb-dfu-bootloader-datasheet https://h30434.www3.hp.com/t5/Business-PCs-Workstations-and-Point-of-Sale-Systems/HP-Elitebook-STM32-DFU-Bootloader/td-p/6979781 https://embedkari.com/stm32cube-programmer-and-bootloader/ https://dzxdesigns.com/doc/bootloader/usbd-dfu.aspx https://support.xilinx.com/s/question/0D52E00006hplRuSAI/zcu104-usb-boot-mode-with-dfuutil?language=ja
https://granitedevices.com/wiki/DFU https://blog.mbedded.ninja/programming/microcontrollers/atmel/atmel-at32-family/re-programming-andor-modifying-the-dfu-bootloader/
https://www.amazon.sg/BIT-C-Micro-USB-C-bootloader-ATmega32U4/dp/B087CLFKW9