jSSC (Java Simple Serial Connector) - library for working with serial ports from Java
jSSC supports Win32(Win98-Win8), Win64, Linux(x86, x86-64, ARM), Solaris(x86, x86-64), Mac OS X 10.5 and higher(x86, x86-64, PPC, PPC64).
Questions tagged [jssc]
118 questions
2
votes
1 answer
how to read data frome serialport using jssc in java?
I used jssc library to read and write data from serial port.
package serial;
import jssc.*;
public class Serial {
public static void main(String[] args) {
String[] portNames = null;
portNames = SerialPortList.getPortNames();
for…
AminFarajzadeh
- 346
- 5
- 17
2
votes
1 answer
Serial Communication via Bluetooth on COM port
I was trying to create a Java program which communicates with a Bluetooth module (attached to SPARKI). I'm using JSSC for the serial communication. The Bluetooth module is connected to my Windows 7 x64 PC on COM8 port. The robot is also connected to…
Kedarnath Calangutkar
- 514
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- 18
2
votes
1 answer
Read and Write Timeouts in JSSC
In SerialPort.java, I would like to know the following on writeBytes and readBytes methods:
Would those block?
How to interpret the return --boolean-- code?
Ilker M. Karakas
- 53
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- 4
2
votes
1 answer
How to read a usb serial port in JAVA?
I add some detail to my question.
I receive on my Xbee device a flow of GPS coordinates but I'm unable to read and stock these data on a buffer.
My Xbee device is connected to my laptop on a usb serial port, that's why I want to create a program…
user3607632
- 21
- 1
- 2
1
vote
1 answer
EXCEPTION_ACCESS_VIOLATION: No Core Dump Will Be Written
I am attempting to write a serial communication class in Java that will connect to an Arduino UNO using the Java Simple Serial Connector library. Whenever I attempt to open the port, however, I run into this error with the Native Code:
#
# A fatal…
Michael Scutari
- 101
- 6
1
vote
2 answers
Java jssc read from multiple COM ports, simultaneously, write all data out on one port
I have several COM ports bringing data in every 1-2 seconds. Each line, from every device, starts with a $ and ends with a CR and LF. Every line is a different length, none more than 82 bytes long.
I am trying to combine four 4800 baud inputs and…
ian5142
- 21
- 2
1
vote
0 answers
How do I pass multiple types of data over a serial port connection using JSSC?
I am tasked with creating a program that can initiate a payment on an Ingenico card terminal. It is a smaller part to a larger project to create a custom P.O.S system for a business. But I am facing a variety of road blocks making this problem…
Anthony Schanen
- 98
- 5
1
vote
0 answers
Java JSSC serial read consuming 100% CPU
I am trying to read GPS data from a serial port(ttyACM0) in java using jssc jar which I need to display as a label in a JavaFx application. I have a created a thread for reading the GPS data but this thread is consuming 100% CPU(checked using top…
Harry
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1
vote
1 answer
NullPointerException thrown when running program but not when in debug mode Java jssc Serial port communication
This is my first time touching Java in a few years. I have been tasked with creating a runnable Jar file which will be called to communicate with an RFID card reader. Now, my code steps through fine in Debug mode, however, when I simply try to run…
c_k000
- 21
- 2
1
vote
0 answers
Wait all byte (JSSC)
I'm trying to read a String from my Sara g350 module. I'm using a serial port comunication. The code that I use is this one:
private static SerialPort serialPort;
public static void main(String[] args) {
String[] portNames =…
Skiwo55
- 71
- 1
- 5
1
vote
1 answer
Can I communicate with virtual serial device using jssc? Problem with ttyS0 configuration (Ubuntu)
I am working with jssc library. I want to emulate ELM327 device and I have already found OBDSim (https://icculus.org/obdgpslogger/obdsim.html).
I am in dialout group.
While mounting OBDSim on tty0, simple code:
import jssc.SerialPort;
import…
Sheb
- 175
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- 11
1
vote
0 answers
jssc SerialPort - my software stops running when readbytes
I'm reading Wiegand card code by a module throught a USB port. I added an event listener to my, it runs perfectly when I pass my card, but after reading the data my software stops running and get stuck, but if pass my card again, the event runs…
William
- 11
- 1
1
vote
1 answer
Unit testing serial port in java
I have a program that is communicating with a hardware serial port sensor.
I use jssc as a connection abstraction library.
I would like to crate a virtual serial port test class I can use to test my real production code without a hardware…
Gadi
- 1,539
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1
vote
0 answers
Using jssc in android studio
Downloaded jssc and added it to my project in android studio.
SerialPort sp = new SerialPort("COM1");
try {
if (sp!=null && sp.isOpened ()) {
sp.closePort();
}
try{
sp.openPort();
…
O.B
- 95
- 8
1
vote
2 answers
Com ports are not detected with jSSC
I'm trying to implement the transfering data with the help of Com ports in my java application. Firstly I decided to create SerialPort object like this.
SerialPort serialPort = new SerialPort("COM1");
try {
serialPort.openPort();
} catch…
Andrey-2310
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