Arduino Error Opening Serial Port Ubuntu
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Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are arduino error opening serial port '/dev/ttyacm0' voted up and rise to the top Error opening Serial Port - Arduino up vote 0 down vote favorite I try to upload arduino code to an Arduino Mega. The serial port is detected the first time I plug in the board. As soon as I upload, I get an error saying 'Error opening Serial Port '. And then the Serial Port option is not available for some time. The error repeats the next time I try to upload. Binary sketch size: 1,500 bytes (of a 258,048 byte maximum) processing.app.SerialException: Error opening serial port '/dev/ttyACM0'. at processing.app.Serial.
(read only) > Software > Troubleshooting > Error opening serial port '/dev/ttyUSBx' on Ubuntu Print Go Down arduino error opening serial port port busy Pages: [1] Topic: Error opening serial port '/dev/ttyUSBx' on Ubuntu(Read 51164 error opening serial port port busy times) previous topic - next topic Helge Milde Newbie Posts: 3 Karma: 0[add] Arduino rocks error opening serial port dev ttyacm0 port busy Error opening serial port '/dev/ttyUSBx' on Ubuntu Dec 03, 2008, 03:42 pm Hi!I'm suddenly having problems uploading/communicating with my Arduino board via the Arduino Java IDE.. http://askubuntu.com/questions/827190/error-opening-serial-port-arduino The strange thing is it happened after working for 2 days straight..I was editing a program, continously uploading and testing it, when I clicked the "Serial Monitor" button so I could debug (which had worked fine just minutes ago).First I get a lot of weird char's, like you'd get trying to Serial.print a http://forum.arduino.cc/index.php?topic=49623.0 non-alphanumeric byte (although it was an int) - then, after fiddeling with the Serial rate from the IDE (while the Arduino program was still running), I got an error.Ctrl+c, ./arduino and "Upload to I/O Board"... Still get an error.I've tried rebooting Ubuntu, reinstalling the software, removing all components and reprogrammed the Blink-example with my Windows machine (which worked - so I doubt the board is damaged).Below is the full error message. I'm 100% sure the usb-device is correct.processing.app.SerialException: Error opening serial port '/dev/ttyUSB0'. at processing.app.Serial.
Support Search GitHub This repository https://github.com/arduino/Arduino/issues/2034 Watch 755 Star 5,926 Fork 4,781 arduino/Arduino Code http://blog.opensensors.io/blog/2014/09/13/getting-started-with-arduino-on-linux Issues 659 Pull requests 115 Projects 0 Wiki Pulse Graphs New issue Serial Port closes with error when uploading or opening a serial monitor when serial.debug_rate=38400 in ubuntu. #2034 Open reconlap opened this Issue serial port Apr 28, 2014 · 1 comment Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 3 participants reconlap commented Apr 28, 2014 If the Serial Port baud rate is set to 38400 on ubuntu ( bug observed in xubuntu error opening serial 14.04 and linux mint), when Arduino IDE 1.0.5 tries to access the port to upload or open a serial monitor you get an error and the port closes and is no longer accessible. oddly this does not happen if you start Arduino with "sudo arduino". This is a tricky bug cause you cannot change the baud rate until after you open a serial monitor, which you cannot do. I resolved the bug by editing ~.arduino/preferances.txt and changing serial.debug_rate=38400 to serial.debug_rate=9600 error message processing.app.SerialException: Error opening serial port '/dev/ttyACM0'. at processing.app.Serial.(Serial.java:178) at processing.app.Serial.(Serial.java:92) at processing.app.SerialMonitor.openSerialPort(SerialMonitor.java:207) at processing.app.Editor.handleSerial(Editor.java:2481) at processing.app.Editor$17.actionPerformed(Editor.java:665) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.AbstractButton.doClick(AbstractButton.java:376) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3311) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at
rush to the ‘Getting Started’ page on Arduino’s website. To install Arduino on Linux (I’m running Ubuntu 14.04) visit the wiki page with instructions for most Linux distributions. I used the instructions for Ubuntu 12.04 or newer and ran ~$ sudo apt-get update && sudo apt-get install arduino arduino-core Afterwards you should be able to plug your Arduino and use Arduino IDE to code/upload code to it. It didn’t work directly for me. I couldn’t launch Arduino IDE by clicking the logo so I tried the CLI ~$ arduino Here’s the error it returned: Exception in thread “main” java.lang.ExceptionInInitializerError. I found a solution on AskUbuntu forum. I downgraded from java 7 to java 6 (***) using the command: ~$ sudo update-alternatives —config java I then managed to launch Arduino from the CLI (I was asked to authenticate) and tried to upload a code example to my Arduino (Files > Examples > 01.Basics > Blink). I received this error message: processing.app.SerialNotFoundException: Serial port ‘COM1’ not found. Did you select the right one from the Tools > Serial Port menu? In Tools I saw that Serial Port was greyed out so I couldn’t even select the port. from Stackoverflow I found that to give read and write privilege on the usb port I could run Arduino with the administrator privileges. And so I used ~$ sudo arduino –> It worked! It blinked! Here’s a proof: Troubleshooting Check your Arduino IDE settings: Tools > Board (the right borad is select), Tool > Serial Port (the right port for your device is ticked). Check all dependencies were downloaded with arduino and arduino-core . Arduino’s dependencies: arduino-core, default-jre, libjna-java, librtx-java Arduino-core’s dependencies: avr-libc, avrdude, gcc, gcc-avr Also try LadyAda