how to read data from serial port using matlab in pc
how to read data from serial port using matlab
"lingaraj athi" <email@example.com> wrote in message <firstname.lastname@example.org>...
> how to read data from serial port using matlab
Please find details with examples of IO using Serial Port in the documentation:
...problem with sending data using simulink and serial port
Dear every body,
I am dealing with the sending data from Matlab to
Microcontroller using serial port. For my project, I
intend to send data in the ASCII form, I used S- function
with the main code for sending data as follow:
curtime = cputime ;
data1 = u
data1s = char(data1)
I used another code to receive the sending data by connect
the serial port to another serial port with matlab running,
the main code for receiving as follow:
----------...sending and geting data to and from usb ports using matlab
Hello. i am a student. I use matlab 2011. i am working on a project where i control a simple 2 motor robot using my laptop. i wish to give orders to my robot wireless. so first i thought of using the bluetooth of my laptop. but i found out matlab does not support it. then i thought of using a bluetooth transmitter (bluetooth dongle) which will be connected to one of the usb ports. what shall i do in order to send data to that usb port. i read some of the answers and it seems it is not possible. if it is not possible then what alternatives are available.
...sending ascii and hex data using visa serial port
I am a noob to the whole labview development enviroment and have
searched all over the forum to try and find some answer but have had no
luck so far.
Currently I am trying to implement serial communications using the
serial port library vi (used in the basic serial read and write
example) with a board that requires both ascii and binary data to be
sent to it.
For example this is how it is sent out in Visual Basic
MSComm1.Output = "!B" + Chr$(IOVal)
where Chr$(IOVal) is equivalent to $00 to $FF
I have looked and started modifying the Basic Serial r...how to send any kind of data be it image,text to a usb port using matlab
i want to send data to usb port of my laptop. a usb to ttl cable connects the laptop to a circuit. the circuit is a LED driver system, it does not contain a micro controller.
which matlab functions and toolboxes will be required.?
...serial port reading the data but not displaying the read data in MATLAB
Scenario: i am currently doing a project on transmission of digital
video images using matlab. what i need to do is to transmit the image
data through the serial port of the computer. i have decompsed the
image into individual pixels and i have written a matlab program for
trnasmitting the image data. till this point i was sucessful.
problem: my radio transmitter which connected to the serial port of
the computer is transmitting the data the radio receiver connected to
the serial of the another computer and is controlled by MATLAB. though
my radio receiver is receiving the data matlab is r...sending data to serial port
i want to get binary data from serial port of a pc.how can i do this?
Just typing "serial port" in the Search tab of MatLab's help got me everything
you need to know.
I suggest you do the same.
"SADIK MANZAK" <email@example.com> schreef in bericht
| i want to get binary data from serial port of a pc.how can i do this?
...Serial Port send the same data
I'm interfacing a PC with the pic 18FXX via USB. I'm using a driver
that makes the USB port view as a COM port.
When I send data from the pic y have no problem with it; but when I
send data to the pic using the comand "fwrite" or "fprintf" I always
get a zero value. I suspect that Matlab adds bytes at the beginning
of the stream with 0 value.
At the pic I'm reading one char (a byte).
Does anybody know how Matlab frame it?
"Marttin" <firstname.lastname@example.org> wrote in message
> I'...Send traffic from one serial port out to another serial port
We've got a system where we need to occasionally in effect link two
serial ports together on our system which is running linux.
(/dev/ttyS1) <radio> --- rs232 -- [linux system] --- rs232 --
Normally the terminal talks to the linux system which sends traffic if
needed to the radio. However for certain situations we need to make
sure any traffic on /dev/ttyS0 is sent straight out on /dev/ttyS1 and
vice-versa with no alterations etc.
On a stock distribution (debian) I can't see an easy way to accomplish
this short of using socat.
...Sending data to the serial port (Linux)?
Hello and a nice new year!
Is there an easy way to send data to the serial port
under Linux? I have some values in a spreadsheet that
need to be reformatted and sent to e.g. /dev/ttyS0.
I think of exporting the spreadsheet as csv and read it
into IDL, reformatting is easy and no problem but how
do I send the strings to the serial interface? Probably by
writing to another file and doing a 'cat foobar /dev/ttyS0'?
Is the latter possible in the timed demo mode (I need
to to this at home without access to our license server).
If anybody is curious: The data are the program steps
for a sl...parsing data from a serial port ! how matlab do it !
im working ona project that reads accelerometer data from an accelerometer ( in the x,y,z directions) to a serial port , it also reads continous infrared signal and recognise it as a number !
i can parse my data in the serial port the way i want . example .
(assume x,y,z are the accelrometer values and R is in the infrared code )
x200 y300 z400 R100
x200 y300 z400 R100
x200 y300 z400 R100
x200 y300 z400 R100 x200 y300 z400 x200 y300 z400 R100
my problem is that the accelerometer values are much faster than the infrared signal . so i dont usually get the s...sending data to serial port #2
i want to get binary data from serial port of a pc.how can i do this?
create a serial object:
s = serial('COMx')
define properties of the serial:
set(s, 'baudrate', 19200) ...
use fprintf, fscanf, fread ... to write and read from the serial.
SADIK MANZAK wrote:
> i want to get binary data from serial port of a pc.how can i do
i'm try to send/recive to/from a device but when i'm doing it i'm
getting an error report about "timeout period" i didn't found
anything about it and i need help!!
this is my code:
%converting a m*n matrix to one long row matrix
%bw = imread('C:\Documents and Settings\matanya\Desktop\r1.bmp');
%imfinfo('C:\Documents and Settings\matanya\Desktop\r1.bmp')
row=[1 2 3];
% for j=1:h
% row=[row bw(i,j)];
%transmit and receive
%1)creating a serial port object
s = serial('COM1');
%in the ...Sending data using the rs232 port
Hi, I want to send some data over the com port to my microcontroller.
I installed the Java Communications API, and i tried to get the sample
code working. But it didnt work. For some reason it cant find my Com
portList = CommPortIdentifier.getPortIdentifiers();
This line is the source of the problem. the portList stays empty.
FYI, im using windows XP, and i have an USB to rs232 converter
(http://www.pci-card.com/usb-rs232-kabel.jpg) on COM1. Could it be
that those converters aint supported by the Java Comm API?
I already found a programm on serialio.com. that one does work. But i
do...problem with send the data to serial port
i want to serially communicate the data like distance and angle to the controller with matlab,,but problem is that , it cant send to serial port of matlab...plz reply if you have any solution...
...use Serial Port in Matlab 2006
I have a problem about how to comunication with COM port use MATLAB...
I want to control all pin of COM port (not only TxD n RxD pin), how to do that??
Pls help me...
I'm waiting your answer....
2006 was pretty long ago, but I think it is the same as now.
If you look at the Matlab documentation for the serial port there is a link to the properties you can set. You can also find them like this:
a = serial('COM1')
b = a.PinStatus
There in b you will have the status of the respective pins. You can then use a set() to change it.
...Sending Data Continuously to Serial Port
I need to be able to send a a stream of data continuously through the
serial port (at 19200 baud). I have set up a simple project that just
sends "hello world" continuously through the port via a thread that
seems to work until I close the port, when it often hangs (beachball)
for up to say 7 - 8 seconds.
The project has 3 bottons - 1 to open the port, another to close it and
the third to start the thread.
Here is the code:
serial1.port = popupMenu1.listIndex
portOpen = true (this is a global)
bClosePo...Problem with receiving data from matlab serial port
I AM Raghu Nandan Ravi and I am currently doing a project on
transmission of digital video images using Matlab. I am having a
problem with reading the data from the device connected to my serial
port. when ever the receive buffer is full and when i simulate the
program i have written it is giving error message that the time out
has reached before the terminator occured. can any one help me with
this problem. the program i have written is shown below.:
set(obj,'baudrate',19200,'inp...reading data from a serial port using regexp
my serial port data something like (values dont come in the same order )
example of serial port output
serial = A100 B200 C300 D700 A200 D500 .................. etc
serial = serial('COM4');
output = 'a';
for i = 1 : 200
plot ( DD, 'g') ;
---------------------------------------...how to take data from usb port using matlab
i want to take data from the usb port of my laptop .is there any port address for it?
On 10-12-08 12:56 PM, vidit wrote:
> i want to take data from the usb port of my laptop .is there any port
> address for it?
*If* the USB device is one that that Matlab happens to have a driver for
(which is not generally the case), the a "usb port" on the device would be an
device "endpoint" that the device reported it had along with the properties of
the endpoint. If the properties were recognized, then the Instrument Control
Toolbox might be able to find the endpoin...Reading data from serial port using c++
I am interfacing with a C+ program file over an rs-232 connection i.e gener=
ating a DLL file and calling that function from labview.<br><br>The functio=
n work fine with the visual c++ 6.0 but whenever I am calling that function=
from labview it is giving me the following error.<br><br>?An exception occ=
urred within the external code called by a Call Library Node. This might ha=
ve corrupted LabVIEW?s memory. Save any work to a new location and restart =
Labview.?<br><br><br><br>I am attaching the code for your convenience.<br><=
br&g...serial port connection using minicom: no data
I'm trying to connect to a Storage-box via the serial port. The "Command
Line Interface" is supposed to fire up when I use 115200 bps, 8 data bits,
none-parity, stop bit =1 , and none for flow control.
I tried setting these options using "minicom -s"
Serial Device : /dev/ttyS0
Bps/Par/Bits : 115200 8N1
Hardware Flow Control : No |
Software Flow Control : No
I still don't get the CLI. Even after using "Press Enter once to launch the
CLI." I tried using both ttyS0 and ttyS1
dmesg ...try matlab to get the data from serial port
i want to use matlab to talk to one sensor, before using matlab, i already use hyper terminal program to get the data from sensor to Pc, the requested protocol is to send instruction"00 02 3B AA", however i can not get the responce of the sensor. can somebody help me?the matlab code is listed below,
g = serial('COM3');
%s = serial('COM3','BAUD',19200);
...using matlab serial to receive data asychronously
Hello all, I'm doing a stident project, making a MATLAB GUI using GUIDE to sort tomato. In my MATLAB GUI, i need to receive signal from uC and sensor that tomato is available to be captured, receive the image from PC camera, image processing, then send the result (tomato grade) to the uC. Then the uC will move stepper motor to place the tomato to its corresponding bag (3 bag, good, medium, poor tomato).
I have been able to receive data from camera, image processing it, and send data to uC with my MATLAB GUI. Problem is, i cant receive signal from sensor and uC to start capture (so far, i ...