Dear Ali! On Fri, Oct 21, 2011 at 5:59 PM, Haider Ali <[email protected]> wrote:
> Dear Miklos,**** > > ** ** > > I came across your discussion regarding ADC free run mode for iris motes on > following link**** > > ** ** > > > http://www.mail-archive.com/[email protected]/msg33464.html > **** > > ** ** > > I want to develop an application which samples the microphone of MTS300 at > higher sampling rate and store the samples at the local flash of iris motes > (AT45DB). So I just want to know the following:**** > > **1.**2. **Can a fast basestation application be developed that is > able to receive such high sampled data from at least three motes and forward > to PC without dropping packets and avoiding storing it locally? > Our Basestation code is working with 230400 baud, and it is quite reliable. You have to use the FastSerial code on our szte-wsn repository together with the Basestation code. > **** > > **3. ** I tried the example application MicReadStreamTest along with > the specified pr e link ( I downloaded the whole szte-wsn repository from > source forge) but it seems the application is still using the standard > TinyOS 2.x interfaces and components and not szte-wsn files because I’ve > measured the sampling rate and it is around 4kHz. I’ve attached my > application for your reference. > It is supposed to work just fine. Make sure that the right code is compiled: modify the files in the szte-wsn/lib/Atm128FastAdc directory, e.g. introduce an error there and try to make it. If it builds the app without problem, then those files are not included. Did you set the SZTETOSDIR environment variable? > **** > > **4. **The MicReadStreamTest is using MicStreamC() which is not > available in szte-wsn repository. Does MicReadStreamTest uses TinyOS 2.x > MicStreamC? If yes, is that the reason of still low sampling rate? > It uses the mts300 sensorboard code from tinyos-main (you have to use the latest from google code). Our code was moved there, that is why it is not in the szte-wsn directory. > **** > > **5.** ** > > Your response will be highly appreciated. Thank you so much in advance. > Best, Miklos > **** > > ** ** > > |*Haider Ali* > > |Research Assistant,**** > > |Dept. of Electrical Engineering,**** > > |P.O. Box: 8654**** > > |King Fahd Uni ; Minerals,**** > > |31261, Dhahran, Saudi Arabia**** > > ** ** > > ** ** > > ** ** > > ** ** > > [image: GreenKFUPM] *Save a tree. Don't print this e-mail unless it's > really necessary***** > > **** > > ** ** >
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