2017-10-27 14:18 GMT-02:00 Giuliano Colla via Lazarus < [email protected]>:
> We're working in the field of automatic machines. From textile machines to > printer post-processing equipments (mainly in the security printers field), > from coffee roasting machines to chain wear monitoring equipment. We do not > usually deploy software, but rather we sell control equipments which are > then integrated by the final manufacturer in the machine. > > Our equipments usually include custom embedded controllers and a > supervisor which may range from an industrial grade PC to a Raspberry PI. > It provides both the human interface and the real-time high-level process > control. > > We're also frequently asked to integrate our supervisor into the factory > data network both to provide production data (for statistical purposes, > quality assurance, and security) and to fetch process information when > appropriate. This leads to supplying also small servers which do handle > network protocols, Data Base handling, creating Reports etc. > > We found today's Object Pascal and Lazarus to be the most cost effective > solution, for a number of reasons. Mainly: > > - Object pascal syntax makes it easier to detect programmer errors at > compile time, thus strongly reducing the debug time. > - Being most projects quite similar and with very short development > time allowed, we need readable and self documenting sources, making it easy > for anyone to modify project A into project B. > - For the same reason, re-usability of code for us is a must. Again > Object Pascal is a winner by this POV. > - Always for the same reason we need a RAD tool, and Lazarus IDE is > again a winner. > - We need to interface with our real-time framework with predictable > timing, and this rules out most of the "modern" languages. > - Given the relative stability of the Object Pascal language, we may > take advantage of a huge amount of code we have developed in the past. I've > just ported to Lazarus a program which was originally developed in the 90's > with Delphi 3! > > Many of those reasons apply also to Delphi, but we dropped Delphi long ago > because: > > 1. Primarily, we need Linux support, because of the real-time > requirements, which aren't achievable in Windows environment. OS-X isn't an > option because we need industrial grade PC's. > 2. Secondarily, Lazarus IDE is light years better than Delphi IDE. > > When I started the PascalSCADA project, these are the reasons why I choose Lazarus/FPC. Now, some years ago, I'm happy with my choice, and it's the main tool number here in my company. The best regards, Fabio Luis Girardi
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