How can I get Data logging through Serial port communication to work?

Hi,

I would like to read the data that is coming through the Serial port and the final goal is to build a funtion for data logging. Here is the data I obtained from Hyperterminal. There are 79 data points in each scan and the data is sent out every 5 seconds.

13/09/2012,16:15:56,064.3,065.6,040.0,091.3,094.8,1,1,0000000,063.9,061.1,063.6 ,106.9,042.3,063.1,000.0,077.4,064.2,090.1,025.0,002.0,063.5,000.5,034.0,034.0,0 46.0,103,000.0,091.2,092.4,087.9,0,0,0,0,0,084.3,000.5,0000000,063.8,060.6,063.3 ,109.1,044.7,063.4,000.0,078.2,064.0,086.8,021.9,002.0,063.4,000.4,040.0,040.0,0 46.0,103,000.1,095.8,097.7,092.7,0,0,0,0,0,083.8,000.0,0,0,000.0,065,065,000,000 ,005,103.6,0

 13/09/2012,16:16:01,064.3,065.5,040.0,091.3,094.7,1,1,0000000,063.9,061.1,063.8
,107.0,042.2,063.2,000.0,077.3,064.2,090.1,025.0,002.0,063.5,000.5,034.0,034.0,0
46.0,103,000.0,091.2,092.4,087.9,0,0,0,0,0,084.4,000.6,0000000,063.8,060.6,063.2
,109.1,044.8,063.5,000.0,078.1,064.0,086.9,022.0,002.0,063.3,000.4,040.0,040.0,0
46.0,103,000.1,095.8,097.7,092.6,0,0,0,0,0,083.9,000.0,0,0,000.0,065,065,000,000
,005,103.6,0

 13/09/2012,16:16:06,064.3,065.5,040.0,091.3,094.8,1,1,0000000,063.9,061.1,063.6
,107.0,042.4,063.1,000.0,077.4,064.2,090.1,025.0,002.0,063.5,000.5,034.0,034.0,0
46.0,103,000.0,091.2,092.4,087.9,0,0,0,0,0,084.3,000.5,0000000,063.8,060.6,063.3
,109.1,044.7,063.5,000.0,078.1,064.0,086.8,021.9,002.0,063.3,000.4,040.0,040.0,0
46.0,103,000.1,095.9,097.7,092.7,0,0,0,0,0,083.9,000.0,0,0,000.0,065,065,000,000
,005,103.5,0

Here is the code that I used in Matlab to see the data.

clear all; close all; delete(instrfindall)

s = serial('COM3'); %assigns the object s to serial port

set(s, 'InputBufferSize', 12800); %number of bytes in input buffer set(s, 'FlowControl', 'none'); set(s, 'BaudRate', 19200); set(s, 'Parity', 'none'); set(s, 'DataBits', 8); set(s, 'StopBit', 1); set(s, 'Timeout',15); set(s, 'Terminator', 'CR/LF'); fopen(s);

These are the commands I use along with the outputs I am getting:

fscanf(s)

Warning: A timeout occurred before the Terminator was reached.

ans =

     ''
fread(s)

Warning: The specified amount of data was not returned within the Timeout period.

ans =

     0
     0
     0

fgets(s)

Warning: A timeout occurred before the Terminator was reached.

ans =

     ''

fgetl(s)

Warning: A timeout occurred before the Terminator was reached.

ans =

     ''

Is there anything I missed here? Why am I not getting any data. Any help is appreciated. Thank you.

[Jonathan]

It sounds like some parameter is not set correctly. The fact that it returns nothing at all means it probably isn't the terminator. . . Perhaps try connecting to a serial device that you know is working correctly to get a feel for how it is set up or change some parameters on the device side.