When it's in ISP mode it does. I'm pretty sure it does in debugWire mode as well. I haven't tested JTAG mode myself.
Cheers, Shaun On 7/24/07, Brian Shire <[EMAIL PROTECTED]> wrote:
Thanks, and the Dragon *definitely* conforms to this specification? On Jul 20, 2007, at 7:33 PM, Shaun Jackman wrote: > The `AVR069: AVRISP mkII Communication Protocol' document is available > from Atmel: > http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3808 > > It's a big help when doing low-level debugging. It defines the > protocol between the computer and the mkII, not between the mkII and > the target device. > > Cheers, > Shaun > > On 7/20/07, Brian Shire <[EMAIL PROTECTED]> wrote: >> >> Hello. I'm trying to get the AVR Dragon to work under OS X using >> avrdude. I've read this thread regarding the topic: >> http://www.nabble.com/AVR-Dragon-with-OS-X-Intel-Machine- >> t3621118.html >> >> But the referenced argument (-B) doesn't help in my specific case at >> all. After following up with the original poster, they replied that >> they where in fact still having difficulties despite their last post >> of reporting success. >> >> Looking into the source code a bit, if I send the sign-on message >> twice it will report a success, but of course this messes up the rest >> of the protocol. I'm curious if you think this might be a buffer >> flushing issue between libusb and the device or perhaps if there is a >> protocol difference between the mkIII board that this code seems to >> be based off of? I don't see the official specifications for >> communication with the device in specific (I'm using ISP), is that >> published somewhere? >> >> The device will hang forever, when enabling extra logging I can see >> that the code is reporting a timeout while waiting for the sign-on >> response from the Dragon board. Happy to help debug at a low level >> if someone can help me along a bit, appreciate any help/suggestions. >> >> Thanks! >> >> -shire
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