Thread Subject: Reading Serial data from RS232 Continuously

Subject: Reading Serial data from RS232 Continuously

From: SmartEngineer

Date: 26 Mar, 2008 17:04:01

Message: 1 of 5

Hello,
     Can anyone please suggest me how to acquire the data
(ASCI format) from a RS 232 port continuously..i.e The
port will be opened and it should keep reading till I say
stop(may be using a GUI).
 
Thanks in advance for your help.

SME.

Subject: Reading Serial data from RS232 Continuously

From: SmartEngineer

Date: 27 Mar, 2008 12:36:01

Message: 2 of 5


Any help please.




"SmartEngineer " <smartengineer@mathworks.com> wrote in
message <fsdvm1$q8l$1@fred.mathworks.com>...
> Hello,
> Can anyone please suggest me how to acquire the
data
> (ASCI format) from a RS 232 port continuously..i.e The
> port will be opened and it should keep reading till I
say
> stop(may be using a GUI).
>
> Thanks in advance for your help.
>
> SME.

Subject: Reading Serial data from RS232 Continuously

From: Mark Jones

Date: 27 Mar, 2008 13:01:22

Message: 3 of 5

> "SmartEngineer " <smartengineer@mathworks.com> wrote in
> message <fsdvm1$q8l$1@fred.mathworks.com>...
>> Hello,
>> Can anyone please suggest me how to acquire the
> data
>> (ASCI format) from a RS 232 port continuously..i.e The
>> port will be opened and it should keep reading till I
> say
>> stop(may be using a GUI).
>>
>> Thanks in advance for your help.
>>
>> SME.
>

You can do this using a BytesAvailableFcn callback. Please see:

http://www.mathworks.com/access/helpdesk/help/techdoc/matlab_external/bytesavailablefcn.html

Mark

Subject: Reading Serial data from RS232 Continuously

From: SmartEngineer

Date: 29 Mar, 2008 06:51:01

Message: 4 of 5

Thanks Mark

Subject: Reading Serial data from RS232 Continuously

From: Jeremy

Date: 11 Apr, 2008 03:48:01

Message: 5 of 5

I was trying to do a similar operation but I wanted to read
the binary values in and convert them to integers and then
manipulate as necessary. I am using the rs232 to transmit in
2 bytes at a time. I want to read them in continuously. But
I am really lost as to where to start on this. Any help?

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Tag Activity for This Thread
Tag Applied By Date/Time
continuous read Jeremy 10 Apr, 2008 23:50:07
serial Jeremy 10 Apr, 2008 23:50:07
port Jeremy 10 Apr, 2008 23:50:07
serial read SmartEngineer 26 Mar, 2008 13:05:07
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