B4J Question [BANano] Beginning Serial Port Communications

[Mashiane]

Hi there..

I am trying to convert this code here as a start..

Serial Port

The Web Serial API lets websites communicate directly with serial devices connected to your computer through a browser.

whatwebcando.today

I don't have a serial port also.

I have attached a BANano Project to indicate my trial, a trial and error exercise. Its BANanoObject and then some await! you can imagine!

Please take a look and test. Thanks in advance.

#Checking For a Friend.

 

[Mashiane]

Im keeping this link here for reference

Read from and write to a serial port | Capabilities | Chrome for Developers

The Web Serial API bridges the web and the physical world by allowing websites to communicate with serial devices.

web.dev

 

[alwaysbusy]

This API is extremely experimental. I have tried it unsuccessful myself to read some barcode scanner in the past. The furthest I got was being able to see and connect to one but nothing beyond that. And even for this to work I had to use a hack on the driver of the barcode scanner (not using the driver delivered by the the company, but another experimental one that replaced the Windows default driver). Big hassle.

Only a very limited number of devices appear to be compatible with this API as they have to do some implementation themselves on the device e.g. the 'getReader' method was not even available on that barcode scanner.

Alwaysbusy

 

[Mashiane]

Thank you so much for the heads up.

From the BananoServer side, is there any experience you can share if you have used jSerial library?

Thanks again.

 

[alwaysbusy]

Never used it as this would require for us for each client to run his own server app which we did not want. So now we have a small app written in another language that does the barcode scanner readout and then it uses a REST API to send this data to our server app. Could probably be done in B4J but for that part we decided to use something else.

 

[Mashiane]

References

Faking an RS232 Serial Port

I'm developing a project that has a number of hardware sensors connecting to the deployment machine through RS232 serial ports. But ... I'm developing on a machine without an physical RS232 serial...

stackoverflow.com

 

[Mashiane]

Thanks to AB, there is some light into this...

BANano and Web Serial API

Hi, with the Web Serial API it is possible to connect to serial devices from the webbrowser (Chrome only). There are examples like this terminal programm: serialterminal I wonder if it would be possible to write a similar programm in B4J and transpile it to Javascript using BANano? Any...

www.b4x.com