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lignite's Issues

udev rules

You can avoid the need for sudo by creating a udev rule

echo SUBSYSTEM=="usb", ATTRS{idVendor}=="0694", ATTRS{idProduct}=="0005", MODE="0666"' > sudo tee /etc/udev/rules.d/99-lego.rules

Error when no bluetooth adapter

I don't have built-in bluetooth, so after creating the bluetooth address config file, I get the following error

/home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection/bluetooth.rb:19:in `connect': No route to host - connect(2) for unknown address family 31 (Errno::EHOSTUNREACH)
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection/bluetooth.rb:19:in `initialize'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:8:in `new'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:8:in `rescue in create'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:5:in `create'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/direct_commands.rb:5:in `initialize'
        from hello.rb:4:in `new'
        from hello.rb:4:in `<main>'

A friendly error message, such as "no Bluetooth or USB devices found", would be better.

Error when btaddr config file does not exist

Using lignite 0.1.0 installed from gem.

When running ev3tool with no USB attached, I get the following error:

/home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection/bluetooth.rb:24:in `read': No such file or directory @ rb_sysopen - /home/david/.config/lignite-btaddr (Errno::ENOENT)
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection/bluetooth.rb:24:in `address_from_file'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection/bluetooth.rb:10:in `initialize'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:8:in `new'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:8:in `rescue in create'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/connection.rb:5:in `create'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/lib/lignite/system_commands.rb:8:in `initialize'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/bin/ev3tool:58:in `new'
        from /home/david/.rbenv/versions/2.1.7/lib/ruby/gems/2.1.0/gems/lignite-0.1.0/bin/ev3tool:58:in `<top (required)>'
        from /home/david/.rbenv/versions/2.1.7/bin/ev3tool:23:in `load'
        from /home/david/.rbenv/versions/2.1.7/bin/ev3tool:23:in `<main>'

running files

Two suggestions when running files with ev3tool run.

  1. Show an error message if the file does not exist.
  2. Don't make me have to know about ../prjs/. Just have the user type the path that is on the screen of the EV3 and add ../prjs/ internally in ev3tool.

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