RE: [avr-chat] Loop for DUDE command

[Weddington, Eric]

Why do you want to do such a thing? 

> -----Original Message-----
> From: address@hidden 
> [mailto:address@hidden
>  On Behalf Of Yuriy Vlasenko
> Sent: Wednesday, November 03, 2010 2:24 AM
> To: address@hidden
> Subject: [avr-chat] Loop for DUDE command
> 
> Hello everybody!
> 
> 1) I cannot find in AVRDUDE documentation anything about the 
> subject. What do I want? To send an SPI string (e.g. AC 53 00 
> 00) repeatedly, accomplied by appropriate RESET pulse - and 
> do it in (ethernal or limited) loop. It would allow analyzing 
> the response of the target MCU.
> 
> 2) Can anybody explain what are the possibilities fo AVRDUDE 
> to slow down its SPI commands? As far as I know they are:
> 
>       -B bitclock
> 
>       -i delay
> 
>       sck period (in terminal mode)
>       The 1-st is for JTAG, the 2-nd and 3-rd I cannot see 
> (no effect, it seems). 
>       When working with STK500v2 I am able to send direct command
>       stk500 -dATmega48 -I50k
>       before invoking AVRDUDE. But with Bitbang programming 
> device I have to slowdown AVRDUDE. How?
>       
>       
>       3) If DUDE cannot send commands in loop, who can? Do 
> you know the program that can send user's byte strings to a 
> Bitbang programmator?
>       
>       
>       Thanks!
> 
>