Yesterday, I wrote the AFSK-1200 modem for the flight computer. This was challenging, in-fact, I worked several days to figure it out. Being new to the AtMega328p I found the manual tough going. I plan to put together a write-up on this at some point in the future, to help others through the pains. … Read more
[UPDATE] For a complete example of building a RESTful JSON service client with Delphi, and a RESTful JSON service using PHP, check out my “Brutally Roll Your Own Backend” video series! Introduction For anyone expecting the next part of my sprites series, please excuse the delay. It’ll come, but work comes first! Today I’d like … Read more
I’ve spent the better part of the weekend working on writing the AFSK class for the Volatus flight computer (blog post to come). While sitting in the UKHAS IRC channel, I noticed a post regarding the Global Space Balloon Challenge, a challenge and global community of habbers that I’d not previously been aware of. This challenge … Read more
With new users purchasing Delphi every single day, it’s not uncommon for me to meet users that are new to the Object Pascal language. One such new user contacted me recently with questions about reading and writing structured data to files on disk. In actual fact, this customer was quite specific about the file formats … Read more
When a customer called the office asking me to tell them how to deploy custom icons with their iOS application, I have to admit I had believed it to be a trivial question to answer. It turns out however, that I was wrong. I did what I expect anyone would do, I loaded a custom image … Read more
Having reverse engineered the old tracking board over the weekend, I connected up the GPS module and, after debugging minor issues on the serial port… GPS Input That’s right, I’m receiving GPS data in NMEA format strings, and I was able to get a lock. The next step with the GPS component is to … Read more
Back in March 2014, I wrote a post on my blog about an EBNF parsing tool that I’d written, which generated HTML5 output containing railroad diagrams. Being quite a technical tool, on my rather obscure blog, I’d come to the conclusion that no one was using it. At some point in December last year, I … Read more
I assembled this tracker over a year ago. As my blog post back then will have indicated, I did so in frustration having failed to produce a more elegant design on the mill. When I built this board, I really did just grab the components that I had to hand and assemble it on the … Read more
An introduction to JSON and using it within RadStudio Delphi or C++ Builder. [UPDATE] For a more complete example of building a RESTful service client with Delphi, and a RESTful JSON service using PHP, check out my “Brutally Roll Your Own Backend” video series! What is JSON? JSON (JavaScript Object Notation) is a popular format … Read more
How to create a job for Jenkins Build Server which will build and execute a unit test application written using Delphi, and without using any Jenkins plugin. This should work with minimal alteration for C++ Builder too. Pre-requisits You should already have installed Embarcadero Delphi XE2 or newer onto your build server. (Tested on XE5 … Read more