Occasionally life gives you a chance to look back at your past and to allow others to resoundingly embarrass you for it. This weekend is such an occasion. Yes, I have a party for my nephew to attend and I will visit my dad at least once if not twice, but, the weather isn’t going to cooperate enough that I can help my brother continue planting season. In an ordinary year we would be long … How Far We’ve Come – Pt. 1Read more
Raspberry Pi
Posted inInformation Technology / Raspberry Pi
Raspberry Qt – Part 13 – A Bit of Explanation
Please read Part 12 first. Were this a book I would be printing and explaining a lot of code. This isn’t a product people are paying for so it will be a bit more limited. Hopefully you pulled down the original source zip posted quite a ways back in this thread. You should have also pulled down the Pi QML zip file from my previous post. Now you just have to pull down this file.deskQml … Raspberry Qt – Part 13 – A Bit of ExplanationRead more
Posted inInformation Technology / Raspberry Pi / Thank You Sir May I Have Another
Raspberry Qt – Part 12 – QML Blows Big Stinky Chunks
Given all of the rah-rah about QML and all of the calls I get about it I think it is time for a level headed appraisal. Unless you are developing only for a platform which already has to drag around the fully loaded 18 wheeler known as a javascript engine and it is actually able to do it, there is no reason to be using QML. You don’t give your battery powered contraption which has … Raspberry Qt – Part 12 – QML Blows Big Stinky ChunksRead more
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Raspberry Qt – Part 7
Finding the serial port There is one chunk of the code we really do need to discuss and that is the snippet of how the application chooses its serial port beginning around line 48 in serialthread.cpp. I even put a comment in the code to explain why it looks the way it does. // One cannot be certain about order if more than one serial port is on the system. // My HP … Raspberry Qt – Part 7Read more
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Raspberry Qt – Part 6
Logging information in Linux In the zip file you will notice logikallogger.cpp and its header file. This is a class I have written over and over through the years, even before I got into Qt. Any time you are developing for an OS which has a central log system as Linux does you should have a class like this in your application. Yes, I know many in the C++ world decry the use of a … Raspberry Qt – Part 6Read more