Freemat multiple inputs serial#
Freemat multiple inputs update#
Freemat multiple inputs code#
Freemat multiple inputs download#

Obviously, this download is called 'Serial'. The new upload is available at:Īlong with a few other functions I decided to share. So, today, I added three functions, serialPortBytesAvailable, serialTXString, and serialRXString. It turns out a call to the Windows function ClearCommError returns that data without a communications timeout and without affecting the buffer, so it was perfect for this application. No worries, I liked the functionality myself, and I could think of a use for it if I could get the BytesAvailable without going through a communications timeout for an empty byte. I had been planning on adding a function to return BytesAvailable per your request a few months ago and your latest message prompted me to push it up to the top for the day. Sorry, I didn't put forth the appropriate level of effort earlier. SetPortDTR(0) % Measured -5.91 V on pin 4Įverything appears to work (at least on Windows7 64bit with FreeMat 4.1), if you will simply download it again. SetPortRTS(0) % Measured -5.91 V on pin 7

Freemat multiple inputs serial#

SetPortRTS(1) % Measured 7.62 V on pin 7 (I did this on a laptop with a 9 pin serial port, so the serial voltages are low) I got out my voltmeter and carefully probed the DTR and RTS lines and observed the successful toggle of the state of those lines from the FreeMat command line:

Freemat multiple inputs update#

Also, I had not included an update to the newly compiled Serial.dll (the one in the source directory was updated as you observed). The import commands were not correct in the serialload.m file. I did a complete testing cycle and found two errors which you've pointed out. Check your naming conventions if function files are there but still things aren’t working.It seems that since I've posted this twice without testing, I'd learn that doesn't work -) The file name must match what you type to call the function exactly and is case-sensitive too i.e., Comb(3,7) != comb(3,7). When you save the function, you need to give the file the same name as the function (except with ‘.m’ appended). Also check that the directory where the files are stored is in the path set by the path tool (Tools→Path Tool). Double-check that you typed the function name correctly. This means that FreeMat cannot find the function. The most common errors when trying to use functions is: Let us do a couple of simple tests on your new functions: Just as we did earlier, save the file to a directory within the working path.

Freemat multiple inputs code#

The code for it is as follows:įunction return_value=perm(n,r) The permutation function is similar to the combination function. This lets FreeMat know that it is a usable script. When you save the file, put a ‘.m’ extension on it. To save the function, either select File→ Save or click ‘Save’ icon.

Select Tools→Path Tool and check that the directory where the function will be stored is part of the path. To make it a function that FreeMat can use, store the file in a folder that is part of the FreeMat path. When the editor window opens up after typing ‘edit,’ enter the following combination function:įunction return_value=comb(n,r) In FreeMat, a function is a script that starts with word ‘function’ and uses the following syntax:įunction return_value = To open the FreeMat editor, first run FreeMat and then, from the command line, type in the word ‘edit’ (without the quotes). FreeMat also comes with a built-in editor for this purpose (see fig 1). In order to create functions, you can use Notepad (Windows) or vi or gedit (Linux). Here is a short tutorial to create combination and permutation functions for FreeMat, from the FreeMat project home page at. It also features codeless interface to external C, C++ and Fortran code, parallel-distributed algorithm development (via MPI), and some extended volume and 3D visualisation capabilities.