Connecting to Arduino with Matlab on Windows 7

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Nick
Nick 2013-7-24
Hi,
I am trying to connect to my Arduino Uno through Matlab 2012a. I have looked through the forums and can't seem to find anyone with quite this exact issue.
I have already successfully installed the drivers and confirmed an operational connection through COM4 using the Arduino IDE. Now, after installing the Arduino toolbox for Matlab, I get the following error:
Open failed: Port: COM4 is not available. Available ports: COM1, COM3. Use INSTRFIND to determine if other instrument objects are connected to the requested device. Error using arduino (line 83) Could not open port: COM4
I get the same error when tring to connect on my own without using the toolbox using 'serial' and 'fopen'. I ensured that the Arduino IDE is closed prior to attempting this, so that is not the issue.
Any assistance is much appreciated. Thanks!
-Nick
  1 个评论
Alon
Alon 2013-7-28
This can be solved many times by closing and re-opening MATLAB, or re-booting the computer.

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回答（1 个）

Rolfe Dlugy-Hegwer
Rolfe Dlugy-Hegwer 2013-8-28
Nick, Try closing the Arduino IDE and Arduino Serial Monitor tool before using the Arduino toolbox for MATLAB. Otherwise, reboot your system and leave Arduino IDE unopened.

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