HI David,
How did you do the FFT ? Did you use a special chip or embedded
software ?
--- In AVR-Chat@yahoogroups.com, "David Greenberg" <dsg123456789@...>
wrote:
>
> Thanks--with that solved, my project is complete. And I'm so glad,
b/c it
> has turned out very cool (a dynamic light show dependent on the FFT
of the
> music playing).
>
> On 5/6/07, kernels_nz <kernels@...> wrote:
> >
> > PORTB = PORTD; //match the ports
> >
> > PORTD in this case would hold the values of the bits for which the
> > pullup resistors have been turned on. This will probably just set all
> > the bits of PORTB always off without caring about whats on PIND.
> >
> > Cheers
> > Hein B
> > Auckland,
> > New Zealand
> >
> > --- In AVR-Chat@yahoogroups.com <AVR-Chat%40yahoogroups.com>,
"kernels_nz"
> > <kernels@> wrote:
> > >
> > > In C it should be PIND aswell.
> > >
> > > Cheers
> > > Hein B
> > > Auckland, New Zealand
> > >
> > > --- In AVR-Chat@yahoogroups.com <AVR-Chat%40yahoogroups.com>, "David
> > Greenberg" <dsg123456789@>
> > > wrote:
> > > >
> > > > I am just getting back into using AVRs with linux, and here's my
> > > > situation. I'm using avr-gcc, an STK500v2, and an AT90S2313 (I
know,
> > > > it's old, but I already have a couple) to try some test programs.
> > > > This is the program that builds ok, programs and verifies
okay, and
> > > > then doesn't work. It should let my control lights with the
> > > > pushbuttons, but i'm clearly doing something wrong. Thanks for
your
> > > > advice!
> > > >
> > > > #include <avr/io.h>
> > > >
> > > > int main(void)
> > > > {
> > > > DDRB = 0xFF; /* We put port B pins in output mode */
> > > > PORTB = 0xFF; /* put all lights in off state */
> > > >
> > > > PORTB = 0x00;
> > > >
> > > > DDRD = 0x00; /* We put port D pins in input mode */
> > > >
> > > > for(;;){
> > > > PORTB = PORTD; //match the ports
> > > > }
> > > >
> > > > PORTB = 0xAA;
> > > > return(0);
> > > > }
> > > >
> > >
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>Message
Re: Question about how to tell if my chip is broken
2007-05-07 by kernels_nz
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