fly-gemini_v2_boot_oem.md

title	tags	keywords	last_updated	summary	sidebar	permalink	folder	comments	toc	datatable	boardname	mcu_oem_bootloader_img1	mcu_oem_bootloader_cap1	mcu_oem_bootloader_img2	mcu_oem_bootloader_cap2	mcu_oem_bootloader_img3	mcu_oem_bootloader_cap3	mcu_oem_bootloader_img4	mcu_oem_bootloader_cap4
Fly Gemini V2 OEM bootloader			20/10/2022	Fly Gemini OEM bootloader	mydoc_sidebar	fly-gemini_v2_boot_oem.html	mydoc	false	true	true	Fly-Gemini V2	fly-gemini-v2/mcu_oem_bootloader_cable_installed.jpg	Serial Cable installed	fly-gemini-v2/mcu_oem_bootloader_boot0.png	Install boot0 jumper	fly-gemini-v2/mcu_oem_bootloader_boot1.png	Install boot1 jumper	fly-gemini-v2/gemini_v2_sbc_usb.png	Connect USB cable to the USB C port in the red box

{% capture title %}{{ page.title }}{% endcapture %} {% capture mcu %}{{ page.mcu }}{% endcapture %}

{% capture boardname %}{{ page.boardname }}{% endcapture %}

{% capture mcu_oem_bootloader_img1 %}{{page.mcu_oem_bootloader_img1 }}{% endcapture %} {% capture mcu_oem_bootloader_cap1 %}{{page.mcu_oem_bootloader_cap1}}{% endcapture %} {% capture mcu_oem_bootloader_url1 %} .\images{{ page.mcu_oem_bootloader_img1 }}{% endcapture %}

{% capture mcu_oem_bootloader_img2 %}{{page.mcu_oem_bootloader_img2 }}{% endcapture %} {% capture mcu_oem_bootloader_cap2 %}{{page.mcu_oem_bootloader_cap2 }}{% endcapture %} {% capture mcu_oem_bootloader_url2 %} .\images{{ page.mcu_oem_bootloader_img2 }}{% endcapture %}

{% capture mcu_oem_bootloader_img3 %}{{page.mcu_oem_bootloader_img3 }}{% endcapture %} {% capture mcu_oem_bootloader_cap3 %}{{page.mcu_oem_bootloader_cap3 }}{% endcapture %} {% capture mcu_oem_bootloader_url3 %} .\images{{ page.mcu_oem_bootloader_img3 }}{% endcapture %}

{% capture mcu_oem_bootloader_img4 %}{{page.mcu_oem_bootloader_img4 }}{% endcapture %} {% capture mcu_oem_bootloader_cap4 %}{{page.mcu_oem_bootloader_cap4 }}{% endcapture %} {% capture mcu_oem_bootloader_url4 %} ./images/{{ page.mcu_oem_bootloader_img4 }}{% endcapture %}

Restoring the factory bootloader

{% include note.html content="You will need to have the CH340 driver installed to perform this process" %}

Install the serial cable

• Install the serial cable as pictured connecting header ZH2 RX and TX to header Screen1 TX and RX

  {%
  include image.html file=mcu_oem_bootloader_img1 url=mcu_oem_bootloader_url1 alt=mcu_oem_bootloader_cap1 caption=mcu_oem_bootloader_cap1 %}

• See instructions for building the cable

Install the DFU jumpers

• Boot0 jumper inserted

  {%
  include image.html file=mcu_oem_bootloader_img2 url=mcu_oem_bootloader_url2 alt=mcu_oem_bootloader_cap2 caption=mcu_oem_bootloader_cap2 %}

• Boot1 jumper inserted on the pins to the right side.

  {%
  include image.html file=mcu_oem_bootloader_img3 url=mcu_oem_bootloader_url3 alt=mcu_oem_bootloader_cap3 caption=mcu_oem_bootloader_cap3 %}

Connect USB cable to the {{boardname}}

• Connect the {{boardname}} to your PC using the SBC USB C port.

  {%
  include image.html file=mcu_oem_bootloader_img4 url=mcu_oem_bootloader_url4 alt=mcu_oem_bootloader_cap4 caption=mcu_oem_bootloader_cap4 %}

Flash the bootloader

• Using Putty open a telnet session to the CH340 com port.

• Run the following stm32flash command in the telnet session.

  stm32flash -w /root/.BL/Gemini_v1.1_BL.bin -v -g 0 /dev/ttyS2
  

• Wait for the flash to complete Add screen shot of flash complete

• Shut down the {{boardname}}

  shutdown
  

• Disconect the USB cable, remove both boot jumpers and the serial cable.

{% include custom/can/sht_links.html %}