Re: Unknown USB device
Posted: Sun May 10, 2020 9:17 am
yes.
Now there are several versions of the bootloader, the older of them stays in bootloader for 3 seconds and jumps to the user code only after that time period to give chance the uploader app to upload.
The fastboot version does as I explained before, instead waiting it checks for some conditions and jumps directly to the user code if the case. In this case you have to set jumper BOOT1 to 1 or user USB serial.
Now there are several versions of the bootloader, the older of them stays in bootloader for 3 seconds and jumps to the user code only after that time period to give chance the uploader app to upload.
The fastboot version does as I explained before, instead waiting it checks for some conditions and jumps directly to the user code if the case. In this case you have to set jumper BOOT1 to 1 or user USB serial.