Android Question Industrial panel with Android and serial port

micro · Mar 23, 2014

Hi
I can use a Jserial library (B4j) with B4A?
I have a Industrial Touch PAnel with Android 4.1 and pure rs232 port.
And if not what can I use?
Thanks

DonManfred · Mar 23, 2014

Maybe the b4a library serial?

micro · Mar 24, 2014

but the b4a library serial is only for bluetooth comunication?

Erel · Mar 24, 2014

jSerial library works with Linux. So there is a small chance that it will work with your device.

In many cases the serial ports are mapped to virtual files (tty0). In those cases you can use the standard file operations to work with them.

jazzzzzzz · Mar 24, 2014

micro said:
Hi
I can use a Jserial library (B4j) with B4A?
I have a Industrial Touch PAnel with Android 4.1 and pure rs232 port.
And if not what can I use?
Thanks

May i know which one do you have.? Am also in search for a industrial touch panel with android

micro · Mar 24, 2014

Erel said:
.....So there is a small chance that it will work with your device.

How I can modify Jserial.jar and xml for my use?
Thanks

Erel · Mar 25, 2014

Did you get any error with this library?

micro · Mar 25, 2014

Erel said:
Did you get any error with this library?

I have not tried it yet,
in a few days I deliver the panel and try

micro · Apr 11, 2014

Hi erel
the panel pc has finally arrived.
I tried it but unfortunately it does not work with jserial.
Ther's a small utility inside into panel for testing COM.
I have decompiled the utility, but it is quite complex, it seems that work with FileStream.
I attach the link project decompiled, can you do something?
https://onedrive.live.com/redir?resid=8096AF53F717A197!131&authkey=!AApndKy-nafvrYI&ithint=file,.zip

Dimension file = 796kb

Erel · Apr 13, 2014

Maybe the serial port is mapped to a virtual file. In that case you can work with the file with the standard File methods.

micro · Apr 13, 2014

Erel said:
Maybe the serial port is mapped to a virtual file. In that case you can work with the file with the standard File methods.

OK, work and i have linked the usual file operations with asyncstream lib (only in input) to trigger the event automatically.

Mihai Rainer Jr. · Jul 5, 2021

micro said:
OK, work and i have linked the usual file operations with asyncstream lib (only in input) to trigger the event automatically.

I'm in the same situation, with a tablet equipped with 2 native RS232 interfaces. Can you give me some hints on reading/writing to this serial ports?

micro · Jul 5, 2021

I have used these panelpc for a short time, now for several years I have been using panelpc with linux and development with B4J
See Jserial lib. and asyncStreamText

Mihai Rainer Jr. · Jul 6, 2021

micro said:
I have used these panelpc for a short time, now for several years I have been using panelpc with linux and development with B4J
See Jserial lib. and asyncStreamText

Thank you, I'm forced to use some Android industrial tablet, but, luckily, it has 2 x USB host interfaces and I found that felUsbSerial library is working fine with our hardware controllers equipped with CH340g so, we will connect over USB, with no problem.

Android Question Industrial panel with Android and serial port

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