[dorkbotpdx-blabber] Does benito5 only program but not debug AVRs

Donald Delmar Davis ddelmardavis at gmail.com
Sun Jun 29 14:28:21 EDT 2008


Frank,

That is an interesting place to start. Which at90usb162 board are you  
using? The benito 5 design has the spi pins on portB and the serial  
pins on port D exposed. The new board  that we just sent to sunstone  
(benito7 rev b) just has all of port D exposed. My original thought  
was to have a dual port device. Later I realized that the usart will  
do Master mode SPI, so one port would do both SPI for in circuit  
programming and serial for programming through a bootloader. In both  
case i built the hardware and minimal software (usb 2 serial with a  
reset pulse on dtr requests) and planned to write better firmware later.

I am in the process of writing the firmware to make an STK500v2  
compatible device with it which I hope to have done before the first  
1000 board run gets here in a couple of weeks.

In either case it will support only programming and communication,  
neither of which is specific to a particular avr (or even the avr for  
that mater). Nothing says you couldn't write firmware to get JTAG out  
of it but that is a bit beyond what I currently have time for.

Don.

On Jun 29, 2008, at 10:09 AM, Transistor Toaster wrote:

> Hi,
> I'm a n00b just starting out with AVRS. I have been programming with
> FLIP the AT90USB162. I would like to know that if the benito5 only has
> the capability to program another AVR but not to debug?
> Frank
> -- 
>  Transistor Toaster
>  transistortoaster at fastmail.fm
>
> -- 
> http://www.fastmail.fm - mmm... Fastmail...
>
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