ev3duder | The LEGO EV3 Downloader/UploaDER

by c4ev3 C Version: v0.3.0semi License: GPL-3.0

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kandi X-RAY | ev3duder Summary

ev3duder is a C library typically used in Internet of Things (IoT), Raspberry Pi applications. ev3duder has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

The LEGO EV3 Downloader/Uploader utility. ev3duder is an implementation of the LEGO EV3's protocol over USB (HID), Bluetooth (RFCOMM) and WiFi (TCP). Run ev3duder --help for help. Check the "Releases" tab for precompiled binaries. Building ev3duder on your own is quite easy too, though. It runs on Linux, Windows and OS X.

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Quality

Security

License

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Support

ev3duder has a low active ecosystem.

It has 28 star(s) with 10 fork(s). There are 11 watchers for this library.

It had no major release in the last 12 months.

There are 8 open issues and 15 have been closed. On average issues are closed in 68 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of ev3duder is v0.3.0semi

Quality

ev3duder has no bugs reported.

Security

ev3duder has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

ev3duder is licensed under the GPL-3.0 License. This license is Strong Copyleft.

Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

Reuse

ev3duder releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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ev3duder Key Features

No Key Features are available at this moment for ev3duder.

ev3duder Examples and Code Snippets

No Code Snippets are available at this moment for ev3duder.

Community Discussions

Trending Discussions on ev3duder

Bluetooth on the EV3

QUESTION

Bluetooth on the EV3

Asked 2019-Oct-10 at 14:10

Before I get started. Yes, I could use leJOS, ev3dev, or some others, but I'd like to do it this way because that is how I learn.

I am using the CodeSourcery arm-2009q1 arm toolchain. I fetched the required libraries (bluetooth) from here: https://github.com/mindboards/ev3sources. I am uploading the programs to the brick by using this tool: https://github.com/c4ev3/ev3duder

I have also fetched the brick's shared libraries, but I can not get them to work properly and there is 0 documentation on how to write a c program for the ev3 using the shared libraries. If I could get that working I might be able to use the c_com module to handle bluetooth, but right now bluez and rfcomm in conjunction with: https://github.com/c4ev3/EV3-API for motor and sensor control seems to be my best bet.

Now, with that out of the way: I'd like to run the EV3 as a bluetooth "server" meaning that I start a program on it and the program opens a socket, binds it, listens for a connection, and then accepts a single connection. I am able to do open a socket, bind it to anything but channel 1 (I believe this might be the crux of my issue), I am able to listen. These all return 0 (OK) and everything is fine.

Then I try to accept a connection. That instantly returns -1 and sets the remote to address 00:00:00:00:00:00.

My code is pretty much the same as can be found here: https://people.csail.mit.edu/albert/bluez-intro/x502.html

Here it is:

...

ANSWER

Answered 2019-Oct-10 at 14:10

I figured it out. On my raspberry PI, the accept call worked as expected with no quirks. On the EV3 however, the accept call is non-blocking even if it has not been told to act like so. The solution was to place the accept call in a loop until an incoming connection was in the queue.

Source https://stackoverflow.com/questions/58312564

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install ev3duder

You can download it from GitHub.

Support

As the commands ev3duder supports, mirror the functions internally used to implement them, the doxygen documentation of ["funcs.h"] should do as user manual. It's linked at the top or can be locally generated by running doxygen and openning the index.html file in a webbrowser.

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