I have just started experimenting with Serproxy and Arduino to get some serial data into Flash Builder/Flex. Serproxy seems to work fine and seems to connect to whatever port is specified. However, I am not able to see or read any data from the serial port using ActionScript. This is odd, because the Arduino should be printing data on a loop.
The only thing I can think of is that I am not setting the correct serial port number. I have been trying to figure out how to find out what number should be set, that is, 5331, 5332, 5333, etc.
How do I find out the port number? Is there a way to do this using Terminal on OS X maybe?
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I was able to screen using the device's name anyway so that wasn't the issue. I was actually just trying to find the port number, i.e. 5331, 5332 etc. I managed to find this by a trial and error process using an app called TCP2Serial from the app store on Mac OS X. It isn't free but that's fine as long as I know it works!
Worth the 99c :) http://itunes.apple.com/us/app/tcp2serial/id506186902?mt=12
mac os x don't use com numbers. you have to use something like 'ser:devicename' , 9600
Try this:
ioreg -p IOUSB -l -b | grep -E "@|PortNum|USB Serial Number"
While entering the serial port name into the code in arduino IDE, enter the whole port address i.e:
/dev/cu.usbmodem*
or
/dev/cu.UG-*
where the * is the port number.
And for the port number in case of mac just open terminal and type
ls /dev/*
and then search for the port that u have set in arduino IDE.
Found the port esp32 was connected to by -
ls /dev/*
You would get a long list and you can find the port you need
Source: Stackoverflow.com