[Tinyos-help] Speed of data logging

2012-08-26 Thread Achintha Maddumabandara
Hi, In TinyOS 2.x, how fast an IRIS node can write data (data logging) to memory? I have IRIS nodes and want them to sample their microphones at 8kHz and write data to memory, so that I can access samples later. But when I used Logwrite.append(), it didn't work that fast. Is there a maximum speed

Re: [Tinyos-help] Disabling CSMA in RF230 (IRIS)

2011-10-20 Thread Achintha Maddumabandara
before sending the packet. That is, the packet will be transmitted even if the channel is busy. Janos On Wed, Oct 19, 2011 at 6:20 PM, Achintha Maddumabandara achinth...@gmail.com wrote: Hi, Could someone please tell me how to disable CSMA in RF230? I want to synchronize all

[Tinyos-help] Disabling CSMA in RF230 (IRIS)

2011-10-19 Thread Achintha Maddumabandara
Hi, Could someone please tell me how to disable CSMA in RF230? I want to synchronize all the IRIS motes so that I could implement TDMA. There are quite a few references for CC2420 though. Thank you. Achintha -- Achintha

[Tinyos-help] Problems with TinyOS 2.x and MTS310 Tone Detector

2011-07-25 Thread Achintha Maddumabandara
Hi, I'm using IRIS+MTS310 to detect tone in my application. When I coded my program using TinyOS 1.x it worked perfectly. But now, when I'm using TinyOS 2.x it doesn't. It always gives a positive detection thought there is no tone at all. I'm using MicC.MicSetting interface and

[Tinyos-help] Problems with TinyOS 2.x and MTS310 Tone Detector

2011-07-22 Thread Achintha Maddumabandara
Hi, I'm using IRIS+MTS310 to detect tone in my application. When I coded my program using TinyOS 1.x it worked perfectly. But now, when I'm using TinyOS 2.x it doesn't. It always gives a positive detection thought there is no tone at all. I'm using MicC.MicSetting interface and

[Tinyos-help] Reading time from IRIS mote

2011-07-14 Thread Achintha maddumabandara
Hi, I'm working on acoustic localization using IRIS motes and MTS310CB sensor boards. So for my program, I need to read the current time from the mote. I've been trying to use SimpleTime.Time interface but when I read the time (using getLow32() or getHigh32() or get()), it always gives me 0. 

[Tinyos-help] TinyOS Timer issue with IRIS+MTS310CB

2011-06-29 Thread Achintha Maddumabandara
(); return SUCCESS; } Please help Achintha -- Mr. Achintha Maddumabandara Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Canada == Every