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v-usb bootloader can not work

Posted: Thu Oct 08, 2009 11:17 am
by nhchmg
The power switch sample, place in boot loader area, it's not work, computer say unknow usb device, but place in program area ,it's ok, why?
atmega16 + 1k words boot loader area + BOOTRST = 0

Re: v-usb bootloader can not work

Posted: Thu Oct 08, 2009 6:50 pm
by nhchmg
It's working now, because use Interrupt must set GICR IVSEL (in Atmega16)