v-usb bootloader can not work

General discussions about V-USB, our firmware-only implementation of a low speed USB device on Atmel's AVR microcontrollers
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nhchmg
Posts: 8
Joined: Mon Sep 28, 2009 3:59 am

v-usb bootloader can not work

Post by nhchmg » Thu Oct 08, 2009 11:17 am

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
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nhchmg
Posts: 8
Joined: Mon Sep 28, 2009 3:59 am

Re: v-usb bootloader can not work

Post by nhchmg » Thu Oct 08, 2009 6:50 pm

It's working now, because use Interrupt must set GICR IVSEL (in Atmega16)
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