Hi all, Urs, we've been doing the same task for some time, but you made it faster.
I was blocked in using the I2C Bus. I will keep updated about improvents if made. thanks! Xavi On Nov 30, 2007 4:59 PM, Urs Hunkeler <[EMAIL PROTECTED]> wrote: > Hi all, > > I managed to free some time and rewrote the Leds-, Photo- and > Accel-Drivers for TinyOS 2.x. I did not really look into how they work > exactly but just tried to rewrite them to TinyOS 2.x syntax. Feel free > to improve! > > The drivers are in the invent/sensorboard directory. The other > directories in the invent directory are extremely simple test > applications. The Blink application demonstrates the use of the LEDs. > The PhotoTest application demonstrates the photo sensor, while the > AccelTest application demonstrates the accelerometer sensor. The Null > application tries to turn off the external hardware (but this seems to > not completely work). > > I see the following main issues: > - Especially for the accelerometer, streaming sensor data would be > needed (should be trivial to implement) > - The AD524X start() and stop() functions are currently implicitly > called by the Photo and the Accel drivers. This could lead to problems > if both drivers were used together. This is probably a problem with my > rewrite (the StdControl interface has changed and I used the > SplitControl interface instead). > - Since the tmote invent has an internal battery, there should be a > mechanism to switch off the motes. It seems that the original software > (probably Boomerang?) checked on mote-startup whether the user button > was pressed, and if so, shut down all external drivers. How should we > implement this in TinyOS 2.x (ideally such that this would be a feature > that all applications could easily integrate)? > - I didn't do much testing and especially the interrupt functionality of > the accelerometer driver is untested. > > Enjoy, > Urs > > > > Xavier Orduña schrieb: > > I'm working now on the Photo Driver. > > > > After that, I plan to work on accel driver. > > > > I will keep you updated. > > > > Xavi > > > > On Nov 29, 2007 3:18 PM, Van der Haegen Mathieu <[EMAIL PROTECTED] > > > > wrote: > > > >> Hi, > >> > >> I have a lot of other work to do until january. So my plannings are to > >> begin to work on this end of this year or start of next year so I'll > keep in > >> touch with you to let you know how it's going with the tmote invent. > >> > >> Nice ! > >> Mathieu > >> > >> > >> On Nov 29, 2007 2:13 PM, Urs Hunkeler <[EMAIL PROTECTED]> wrote: > >> > >>> Hi, > >>> > >>> We have around 50 tmote skys and 30 tmote invents, so the situation > here > >>> is pretty the same. Personally I don't mind that much that the former > >>> moteiv doesn't provide support anymore because at least the > >>> documentation is open and their source code can be used and adapted. I > >>> just wonder if I develop on an obsolete platform... > >>> > >>> I am also interested in getting the accelerometer to work on TinyOS 2. > >>> So a collaboration would be nice. Currently I have a lot of other work > >>> to do, I hope to be able to do it before the end of the year. How soon > >>> would you need it? > >>> > >>> Cheers, > >>> Urs > >>> > >>> > >>> Van der Haegen Mathieu schrieb: > >>>> Hi ! > >>>> > >>>> I permit myself to write a message in this thread because we are > >>> REALLY > >>>> interested in having support for the tmotes invent for tinyos 2! > >>>> > >>>> We have more than 10 tmote invents here and we are developing an > >>> application > >>>> for tinyos 2 that will absolutely need the accelerometer of theses. > >>>> > >>>> I allready tried to use the boomerang drivers which are 'allmost' > >>> compliant > >>>> with tinyos 2 without any success. > >>>> And I'd like to say my personal opinion about all this : the MoteIV > >>> company > >>>> transformed into the sentilla company which is just fine. But I think > >>> it is > >>>> outrageous how any support for tmote hardware will cease in end of > >>> December > >>>> 2007 (as shown here : http://www.sentilla.com/moteiv-endoflife.html). > >>> We > >>>> have more than 50 tmotes skys and 10 tmotes invent and I think it's > >>> really > >>>> too easy for moteiv to say 'we stop support on this date' ... and > what > >>> ? If > >>>> we want to continue use theses devices with tinyos 2 we will have to > >>> write > >>>> our own drivers ? No I think it is abnormal, moteiv should at least > >>> give > >>>> tinyos2 drivers for all of their hardware before stopping support. So > >>> that > >>>> we will be able to continue using their hardware with the evolution > of > >>>> tinyos ... ? > >>>> > >>>> What do you all think about this ? Sorry for beeing a bit aggressive > >>> but I > >>>> was really surprised how moteiv shut down without any warning. > >>>> > >>>> Van der Haegen Mathieu. > >>>> > >>>> PS: Btw I really need the tmote invent accelerometers drivers for > >>> tinyos 2 > >>>> for a project I'm working on so any collaboration would be nice to > get > >>> it > >>>> working. > -- www.alcim.net Buscant sempre nous reptes, alguna proposta?
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