Multumesc! - Thank you! On Jul 28, 9:58 pm, Florin Tanasa <[email protected]> wrote: > Hi Vasi, > I like what you done. > > 2010/7/28 vasi vasi <[email protected]> > > > Hi Joep and Vasile, > > > This is the scrolling text: > > "HELLO JOEP And VASILE _ THIS USE Your LibrArY" > > >http://www.youtube.com/watch?v=RatJm6wGxpI > > > I wanted to learn how to use 4 digits as a decent display and for this, I > > used also timer0_isr_interval.jal (to light another 8 LED's at different > > speed) because I don't know yet another method of "multitasking". > > I use FreeJALduino with EvB 4.3 version 4 board (with already bricked > > ATmega :( ) and entire assembly draws very much current, the onboard 5V > > regulator gets very very HOT. An external source of 5V is obligatory for > > this kind of application. > > Anyway, the conclusion is: It is too much trouble and too many pins > > allocated for this task. It require a separate microcontroller for this and > > in this case, you can transmit data on serial. For 4 digits and 8 LEDs I > > used all available pins on FreeJALduino and the DOT from digits remained > > unconnected. But the experience gained is invaluable. > > > The segments get lighted on 0 logic and also digit selection is made with 0 > > logic (I don't know how to draw a schematic for this). The LED's are lighted > > also on 0 logic (this is easy, but program inside is for 1 logic - I must > > negate the byte). In the movie, the digits are lighted one at the time, > > 350uS long each but I modified the program for 950uS each to get rid of that > > echo. If is useful, I think it can be easily modified for Jaluino. All > > required files attached. > > -- > > Vasi > > > -- > > You received this message because you are subscribed to the Google Groups > > "jallib" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<jallib%[email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/jallib?hl=en.
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