It can be easily modified, fit W806 the

Be specific, What kind of chip, What is used SDK , Multiple versions, How to operate, . . . .

Use MDK Give it a try, I remember needing to modify the linked file,

Look at the error should still not put SWD =break

It is recommended that you use onboard CH340N download, Even if you make your own chips CH340 download, The baud rate is available 921600

Downloading requires loading the download algorithm, Download algorithm in SDK Have. . . in, W800_Flash_Tool. elf

1, Either you erase the firmware 2, Either you enter w800 Serial print CCC status

@medlar debug Download now

W801 The download algorithm in W800 The standard of SDK Contain in,

Downloading requires loading the download algorithm, moreover W801 W806 Not in common use

You can go to an authorized store and buy the finished product https: //detail. tmall. com/item. htm? abbucket=4&id=661870350756&ns=1&spm=a230r. 1. 14. 16. d27a426

Change of variable value in interrupt, Generally need to add volatile As decoration

@Diviner The screenshots are all the code,

Besides, your version is too old, The website has posted the latest SDK , It's best to focus on new ones