Delay Generator Demo

Rayman

Here's a dual delay generator with·XGA (1024x768 VGA), mouse, and keyboard interface.· The two generators are independent, but syncronized.· You can save all settings to EEPROM.· Generators have 1 us precision.

Fred Hawkins

Nice!
(Does anyone else find this program as satisfying a demonstration of propeller's capabilities as I do?)

deSilva

How can deSilva resist to such a question?

(a) It is nice piece of programming: cudos, Rayman!
(b) It shows how useful the few and short "basic" drivers (mouse, tv, vga) are, that Parallax delivers
(d) It shows that a "multiple choice" user interface as sported by any device that has access to a "screen" (e.g. "OSD" of monitors, beamers, cameras, larger printers,..) is always favourably accepted, even expected.
(e) It also shows that SPIN does not look good, when manipulating any kind of data structure
(f) It proves again the "windows lesson" that MOST of the code of a program is dedicated to the user interface (total program: 2,816 longs, delay logic: 105 longs = 4%)
(g) It also shows, that the Propeller is a Universal Turing Machine

Post Edited (deSilva) : 10/2/2007 9:42:42 PM GMT

Rayman

I did worry about having to cut back on the GUI to fit inside 32k... This delay generator is only a part of the application that I'm developing, although it is the main part. I had some concerns that the Propeller would have the resources to do it. But, so far, things look good. I still have ~1,600 longs left and I haven't really tried to minimize space...

Oldbitcollector (Jeff)

Are those screen shots from the Propeller... Holy Cow!

What a sweet interface!

Oldbitcollector

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Buttons . . . check. Dials . . . check. Switches . . . check. Little colored lights . . . check.

— Calvin, of 'Calvin and Hobbes.

Rayman

Yes, it's the Prop on VGA... I was inspired by my VBDOS days...