Re: [Tinyos-help] More TEP 103 questions

2006-08-29 Thread R. Steve McKown
On Tuesday 29 August 2006 10:05 am, David Gay wrote: On 8/28/06, R. Steve McKown [EMAIL PROTECTED] wrote: I'd love to see the spec guarantee that read returns valid data. Are you envisioning a read returns a len of 0 on bad data or end of log? This seems to fit nicely with the

Re: [Tinyos-help] More TEP 103 questions

2006-08-28 Thread David Gay
On 8/28/06, R. Steve McKown [EMAIL PROTECTED] wrote: So shouldn't then TEP 103 specify data integrity requirements? I can't imagine a use of log storage where it'd be ok to read back different data than I'd originally appended. And if that's true, wouldn't data integrity be more efficient

Re: [Tinyos-help] More TEP 103 questions

2006-08-28 Thread R. Steve McKown
On Monday 28 August 2006 16:53, David Gay wrote: On 8/28/06, R. Steve McKown [EMAIL PROTECTED] wrote: So shouldn't then TEP 103 specify data integrity requirements? [snip] [snip] A reasonable compromise might be that read is guaranteed to return valid data. I'd love to see the spec

Re: [Tinyos-help] More TEP 103 questions

2006-08-25 Thread David Gay
On 8/25/06, R. Steve McKown [EMAIL PROTECTED] wrote: Hi, It seems the only method supported by TEP 103 to determine an empty LogStorage log is to perform a read and receive 0 bytes in return. Is this a correct assessment? Hmm, yes. I can't find where TEP 103 specifies the initial read

Re: [Tinyos-help] More TEP 103 questions

2006-08-25 Thread R. Steve McKown
On Friday 25 August 2006 09:59 am, David Gay wrote: On 8/25/06, R. Steve McKown [EMAIL PROTECTED] wrote: What's the best practice for initially configuring the various Block/Log/Config storage components' volumes, especially in a moderate volume production setting? I'm currently thinking a

Re: [Tinyos-help] More TEP 103 questions

2006-08-25 Thread David Gay
On 8/25/06, R. Steve McKown [EMAIL PROTECTED] wrote: I'm thinking more about initializing flash volumes for the various storage abstractions. Initialization would be an issue for new motes with factory fresh flash, or motes which have been reprogrammed after a change to the volume organization