firmata4j

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Cannot start the firmata device because the port is 'busy' stack trace

1

i keep getting error this stack trace to be exact ` java.io.IOException: Cannot start firmata device java.io.IOException: Cannot start firmata devi Caused by: jssc.SerialPortException: Port name - /dev/tty.usbmodem14501; Method name...

minecraftswingman

Is there a implementation of "Software Serial" using firmate4j?

1

Thanks for your contribution of so great project. I want to implement a function below. The computer communicate to a arduino board with firmate4j. And the arduino board need to...

firefly917

Incorrect values reported when using PULLUP mode

3

When using PULLUP mode for pins, they don’t always report the right value. This occurs with a genuine Uno, a clone Uno, and a clone Mega. It occurs on Windows,...

dougmeredith

Cast exception

1

More information about the exception can be found here: https://sentry.io/share/issue/1514e52d4bdf4edc92daf4947bfd84b6/ Already fixed in PR #49 but getting totally ignored.

iFlyinq

Fixed an cast-exception

1

More information about the exception can be found there: https://sentry.io/share/issue/1514e52d4bdf4edc92daf4947bfd84b6/

iFlyinq

Can't connect correctly to Uno

1

I've installed StandardFirmata on my Uno R3. I also followed the temporal hack in #48 to avoid crash. Now I try to connect to the device: ```kotlin val device: IODevice...

balage1551

`setDigitalPinValue` method creates a `DIGITAL_MESSAGE` message instead of a `SET_DIGITAL_PIN_VALUE` message

2

This method is called `setDigitalPinValue` but it actually builds a `DIGITAL_MESSAGE` message: https://github.com/kurbatov/firmata4j/blob/master/src/main/java/org/firmata4j/firmata/FirmataMessageFactory.java#L226 If you are using `StandardFirmata.ino` this can result in the wrong pin being changed since `SET_DIGITAL_PIN_VALUE` changes...

HawaiianSpork

JRE crash with GraalVM 20.1.0

5

It is easy to reproduce: calling `org.firmata4j.IODevice.start()` always crashes the JVM: ``` # # A fatal error has been detected by the Java Runtime Environment: # # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at...

NorbertSandor

Consider using another serial communication library

1

What do you think about using a serial communication library that has better support? As I see the library used had no releases for ages... I would recommend https://github.com/Fazecast/jSerialComm .

NorbertSandor

Onewire function is needed

9

Thanks for your contribution of so great project. Most functions of the project is enough to control the Arduino device, and it work well. Now, I need use the temperature...

firefly917