Re: [Uisp-dev] [PATCH] at89s support

[Theodore A. Roth]

On Sat, 7 Feb 2004, Wojtek Kaniewski wrote:

> Theodore A. Roth wrote:
> > Can you verify that the latest cvs works like you expect for those parts?
>
> it works fine:
>
> $ uisp -dprog=stk200 -d89 --erase --upload if=mspc_p.hex --verify -v
> AVR Direct Parallel Access succeeded after 0 retries.
> Atmel AT89 AT89S51 is found.
> Erasing device ...
> Reinitializing device
> AVR Direct Parallel Access succeeded after 0 retries.
> Atmel AT89 AT89S51 is found.
> Uploading: flash
> ##############################
> (total 932 bytes transferred in 2.89 s (323 bytes/s)
> Polling: count = 927, min/avg/max = 0.73/1.36/14.70 ms
> Verifying: flash
> ##############################
> (total 932 bytes transferred in 0.78 s (1197 bytes/s)
>
> besides, today i've found in AT89S51 docs that chip erase time is 500ms,
> not 200ms as uisp assumes. although everything's fine with my chips,
> someone else can encounter problems because of this timing.
>
> i've attached another patch, that doesn't allow t_wd_erase to be shorter
> than 500ms, but it isn't critical.

Looks fine. I'll commit it in a few minutes.

Thanks.

Ted Roth