This is the mail archive of the ecos-patches@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: RFC - fix to at49xxxx crash during erase/program when interrupthappens


On Thu, 14 Aug 2003 15:41:57 +0200
Øyvind Harboe <oyvind.harboe@zylin.com> wrote:

> >Another solution that comes to my mind is to 
> >relocate interrrupt handlers and DSRs to RAM using 
> >.2ram.* linker sections. 
> 
> I'm starting to like this solution a lot. The interrupt
> latency is crucial when running at higher serial port baudrates. 
> 

Another solution depending on your app size and particular at49 flash is
to have the app in one erase region and the data to be modified in the
other.I've done this with an at49 which had 128K (app) + up to 1M (data)
as the two separately runnable/programmable regions.



Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]