read serial port in real time
in [Matlab]
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From: Mark on 4 Jun 2010 09:08 Jan Houska <houska(a)humusoft.com> wrote in message <hu9ve9$2p2v$1(a)ns.felk.cvut.cz>... > Hi Mark, > > Mark wrote: > ... <snip> > > The data is coming in constantly and looks like this: > > > > 00353X 00421Y 11250Z, and there is no end of file (unless i plug out my > > device). Ideally I would like to do my analysis after each bunch of XYZ > > but I am forced to fill a buffer and do the analysis on that. This > > buffer takes about 15 seconds to fill and is very difficult to determine > > what instances of time the data occurs at. Is it possible to do this or > > is it possible to display the coms data the way it soes in real term? > > It is easy to do this with Real-Time Windows Target Packet Input and > Stream Input blocks if you are willing to switch from MATLAB code to > Simulink block diagram. You may want to check the "rtpacketio" and > "rtstreamio" demos, they do more or less exactly this. > > Jan > > > -- > Jan Houska HUMUSOFT s.r.o. > houska(a)humusoft.com Pobrezni 20 > http://www.humusoft.com 186 00 Praha 8 > tel: ++ 420 284 011 730 Czech Republic > fax: ++ 420 284 011 740 I cant seem to find these demos. Do you have a link for them? Mark.
From: Jan Houska on 4 Jun 2010 10:16 Mark wrote: > Jan Houska <houska(a)humusoft.com> wrote in message > <hu9ve9$2p2v$1(a)ns.felk.cvut.cz>... >> Hi Mark, >> >> Mark wrote: >> ... <snip> >> > The data is coming in constantly and looks like this: >> > > 00353X 00421Y 11250Z, and there is no end of file (unless i plug >> out my > device). Ideally I would like to do my analysis after each >> bunch of XYZ > but I am forced to fill a buffer and do the analysis on >> that. This > buffer takes about 15 seconds to fill and is very >> difficult to determine > what instances of time the data occurs at. Is >> it possible to do this or > is it possible to display the coms data >> the way it soes in real term? >> >> It is easy to do this with Real-Time Windows Target Packet Input and >> Stream Input blocks if you are willing to switch from MATLAB code to >> Simulink block diagram. You may want to check the "rtpacketio" and >> "rtstreamio" demos, they do more or less exactly this. > > I cant seem to find these demos. Do you have a link for them? > > Mark. Do you have Real-Time Windows Target installed? This can be verified by "ver". If yes, you should have these demos. Otherwise you would probably have to ask for a trial. Jan -- Jan Houska HUMUSOFT s.r.o. houska(a)humusoft.com Pobrezni 20 http://www.humusoft.com 186 00 Praha 8 tel: ++ 420 284 011 730 Czech Republic fax: ++ 420 284 011 740
From: Mark on 4 Jun 2010 10:59 Jan Houska <houska(a)humusoft.com> wrote in message <hub1s3$3po$1(a)ns.felk.cvut.cz>... > Mark wrote: > > Jan Houska <houska(a)humusoft.com> wrote in message > > <hu9ve9$2p2v$1(a)ns.felk.cvut.cz>... > >> Hi Mark, > >> > >> Mark wrote: > >> ... <snip> > >> > The data is coming in constantly and looks like this: > >> > > 00353X 00421Y 11250Z, and there is no end of file (unless i plug > >> out my > device). Ideally I would like to do my analysis after each > >> bunch of XYZ > but I am forced to fill a buffer and do the analysis on > >> that. This > buffer takes about 15 seconds to fill and is very > >> difficult to determine > what instances of time the data occurs at. Is > >> it possible to do this or > is it possible to display the coms data > >> the way it soes in real term? > >> > >> It is easy to do this with Real-Time Windows Target Packet Input and > >> Stream Input blocks if you are willing to switch from MATLAB code to > >> Simulink block diagram. You may want to check the "rtpacketio" and > >> "rtstreamio" demos, they do more or less exactly this. > > > > I cant seem to find these demos. Do you have a link for them? > > > > Mark. > > Do you have Real-Time Windows Target installed? This can be verified by > "ver". If yes, you should have these demos. Otherwise you would probably > have to ask for a trial. > > Jan > > -- > Jan Houska HUMUSOFT s.r.o. > houska(a)humusoft.com Pobrezni 20 > http://www.humusoft.com 186 00 Praha 8 > tel: ++ 420 284 011 730 Czech Republic > fax: ++ 420 284 011 740 I have the Real-Time Workshop.
From: Ankit Desai on 4 Jun 2010 13:21 "Mark " <grealzer(a)hotmail.com> wrote in message <hub4bq$jm9$1(a)fred.mathworks.com>... > Jan Houska <houska(a)humusoft.com> wrote in message <hub1s3$3po$1(a)ns.felk.cvut.cz>... > > Mark wrote: > > > Jan Houska <houska(a)humusoft.com> wrote in message > > > <hu9ve9$2p2v$1(a)ns.felk.cvut.cz>... > > >> Hi Mark, > > >> > > >> Mark wrote: > > >> ... <snip> > > >> > The data is coming in constantly and looks like this: > > >> > > 00353X 00421Y 11250Z, and there is no end of file (unless i plug > > >> out my > device). Ideally I would like to do my analysis after each > > >> bunch of XYZ > but I am forced to fill a buffer and do the analysis on > > >> that. This > buffer takes about 15 seconds to fill and is very > > >> difficult to determine > what instances of time the data occurs at. Is > > >> it possible to do this or > is it possible to display the coms data > > >> the way it soes in real term? > > >> > > >> It is easy to do this with Real-Time Windows Target Packet Input and > > >> Stream Input blocks if you are willing to switch from MATLAB code to > > >> Simulink block diagram. You may want to check the "rtpacketio" and > > >> "rtstreamio" demos, they do more or less exactly this. > > > > > > I cant seem to find these demos. Do you have a link for them? > > > > > > Mark. > > > > Do you have Real-Time Windows Target installed? This can be verified by > > "ver". If yes, you should have these demos. Otherwise you would probably > > have to ask for a trial. > > > > Jan > > > > -- > > Jan Houska HUMUSOFT s.r.o. > > houska(a)humusoft.com Pobrezni 20 > > http://www.humusoft.com 186 00 Praha 8 > > tel: ++ 420 284 011 730 Czech Republic > > fax: ++ 420 284 011 740 > > I have the Real-Time Workshop. Mark, You can also try changing the following demo to fit your needs: http://www.mathworks.com/matlabcentral/fileexchange/27290-collect-and-plot-data-from-a-tcpip-server-in-real-time HTH, -Ankit
From: Jan Houska on 7 Jun 2010 00:23 Mark wrote: > Jan Houska <houska(a)humusoft.com> wrote in message > <hub1s3$3po$1(a)ns.felk.cvut.cz>... >> Mark wrote: >> > Jan Houska <houska(a)humusoft.com> wrote in message > >> <hu9ve9$2p2v$1(a)ns.felk.cvut.cz>... >> >> Hi Mark, >> >> >> >> Mark wrote: >> >> ... <snip> >> >> >> It is easy to do this with Real-Time Windows Target Packet Input >> and >> Stream Input blocks if you are willing to switch from MATLAB >> code to >> Simulink block diagram. You may want to check the >> "rtpacketio" and >> "rtstreamio" demos, they do more or less exactly >> this. >> > > I cant seem to find these demos. Do you have a link for them? >> > > Mark. >> >> Do you have Real-Time Windows Target installed? This can be verified >> by "ver". If yes, you should have these demos. Otherwise you would >> probably have to ask for a trial. >> >> Jan >> >> -- >> Jan Houska HUMUSOFT s.r.o. >> houska(a)humusoft.com Pobrezni 20 >> http://www.humusoft.com 186 00 Praha 8 >> tel: ++ 420 284 011 730 Czech Republic >> fax: ++ 420 284 011 740 > > I have the Real-Time Workshop. Real-Time Windows Target is a separate product, please see http://www.mathworks.com/products/rtwt . So you will have to ask for the trial. Jan -- -- Jan Houska HUMUSOFT s.r.o. houska(a)humusoft.com Pobrezni 20 http://www.humusoft.com 186 00 Praha 8 tel: ++ 420 284 011 730 Czech Republic fax: ++ 420 284 011 740
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