Switch to Java Simple Serial Connector, a replacement for RXTX

[ffissore]

Switch from RXTX to JSSC https://code.google.com/p/java-simple-serial-connector/
Java Simple Serial Connector is a multiplatform java + native code library aiming at replacing RXTX.
A variety of benefits have been observed so far in using JSSC instead of RXTX, the most important one being stability.

Further testing with all operating systems is needed.

[damellis]

I'm having trouble uploading to an Arduino Leonardo with the jssc nightly build on Mac (http://downloads.arduino.cc/arduino-jssc-nightly-macosx.zip). This is on Mac OS X 10.8.5. I can upload correctly with Arduino 1.0.5 (and had just the blink sketch running on the board when I tried to upload from the nightly build).

Here's the upload log:

Sketch uses 5,138 bytes (17%) of program storage space. Maximum is 28,672 bytes.
Global variables use 153 bytes (5%) of dynamic memory, leaving 2,407 bytes for local variables. Maximum is 2,560 bytes.
Forcing reset using 1200bps open/close on port /dev/tty.usbmodem621
PORTS {/dev/tty.usbmodem621, } / {/dev/tty.usbmodem621, } => {}
PORTS {/dev/tty.usbmodem621, } / {/dev/tty.usbmodem621, } => {}
Uploading using selected port: /dev/tty.usbmodem621
/Users/mellis/Downloads/Arduino.app/Contents/Resources/Java/hardware/tools/avr/bin/avrdude -C/Users/mellis/Downloads/Arduino.app/Contents/Resources/Java/hardware/tools/avr/etc/avrdude.conf -v -v -v -v -patmega32u4 -cavr109 -P/dev/tty.usbmodem621 -b57600 -D -Uflash:w:/var/folders/v6/4xtyhj9r8xl785006s6n6dkh0000gp/T/build4985339379618198431.tmp/Blink.cpp.hex:i 

avrdude: Version 5.11, compiled on Sep  2 2011 at 18:52:52
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2009 Joerg Wunsch

         System wide configuration file is "/Users/mellis/Downloads/Arduino.app/Contents/Resources/Java/hardware/tools/avr/etc/avrdude.conf"
         User configuration file is "/Users/mellis/.avrduderc"
         User configuration file does not exist or is not a regular file, skipping

         Using Port                    : /dev/tty.usbmodem621
         Using Programmer              : avr109
         Overriding Baud Rate          : 57600
         AVR Part                      : ATmega32U4
         Chip Erase delay              : 9000 us
         PAGEL                         : PD7
         BS2                           : PA0
         RESET disposition             : dedicated
         RETRY pulse                   : SCK
         serial program mode           : yes
         parallel program mode         : yes
         Timeout                       : 200
         StabDelay                     : 100
         CmdexeDelay                   : 25
         SyncLoops                     : 32
         ByteDelay                     : 0
         PollIndex                     : 3
         PollValue                     : 0x53
         Memory Detail                 :

                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           eeprom        65    10     8    0 no       1024    8      0  9000  9000 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           flash         65     6   128    0 yes     32768  128    256  4500  4500 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           lfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           hfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           efuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           lock           0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00

         Programmer Type : butterfly
         Description     : Atmel AppNote AVR109 Boot Loader

Connecting to programmer: .avrdude: Send: . [1b] 
avrdude: Send: S [53] 
avrdude: ser_recv(): programmer is not responding
avrdude: butterfly_recv(): programmer is not responding
processing.app.debug.RunnerException
    at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:129)
    at processing.app.Sketch.upload(Sketch.java:1697)
    at processing.app.Sketch.exportApplet(Sketch.java:1603)
    at processing.app.Sketch.exportApplet(Sketch.java:1575)
    at processing.app.Editor$DefaultExportHandler.run(Editor.java:2397)
    at java.lang.Thread.run(Thread.java:680)
Caused by: processing.app.debug.RunnerException: Problem uploading to board.  See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
    at cc.arduino.packages.Uploader.executeUploadCommand(Uploader.java:113)
    at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:127)
    ... 5 more

[damellis]

Uploading to an Uno seems from the same nightly seems to work fine.

[cmaglie]

Fixed the MacOSX+Leonardo, may you check now?
C

[ffissore]

I've just updated http://downloads.arduino.cc/arduino-jssc-nightly-macosx.zip

[flosse]

+1

[ffissore]

For anyone wishing to give this a spin, you can download the jssc nightly from
http://downloads.arduino.cc/arduino-jssc-nightly-macosx.zip
http://downloads.arduino.cc/arduino-jssc-nightly-windows.zip
http://downloads.arduino.cc/arduino-jssc-nightly-linux64.tgz
http://downloads.arduino.cc/arduino-jssc-nightly-linux32.tgz