Mahmood-
> Thank you very much for your kindly help
> it worked
Ok glad to hear that! Keep going.
Please post to the group (not to me) so other students doing similar projects
can see
your results. Now that you are getting your DSP programs to run, other students
may
want to ask you questions :-)
-Jeff
> Jeff Brower wrote:
>
> Mahmood-
>
> Your code is kinda messed up. You have code outside of main() that
will
> never run,
> because processing after Reset starts from main(). Here is some pseudo
> code, try to
> understand this:
>
> void main() { /* code starts here after Reset */
>
> DSK5416_init(); /* init board */
> init CSL /* init CSL (if needed) */
>
> while (1) { /* forever loop, do not exit main */
>
> toggle GPIO pin /* connected to LED &/
>
> very long delay /* > 1/4 sec to make toggle clearly visible */
> }
> }
>
> Also, when you say "I connected an LED to DC_BCLKX0" bit, it sounds to
me
> like you
> connected an LED directly and are expecting it to work. You need
> something like
> this:
>
> O 3.3V
> |
> /
> \ 330 ohm
> /
> _|_
> _\_/_ LED
> |
> DC_BCLKX0 -----+
>
> In this case, when DC_BCLKX0 is low, the LED will turn on. You need to
be
> careful
> not to put too much current through the DSP's GPIO pins. In the
above
> case, the
> current is about 10 mA -- you should check the 5416 data sheet and
make
> sure that's
> within the spec for the chip's GPIO pins.
>
> -Jeff
>
> mahmood molaei wrote:
> >
> > Dear Group people
> > I am going to use three pins of Mcbsp and I read Volume 5: Enhanced
> Peripherals
> > document(section 2.9) and I wrote this program .
> > #include "tonecfg.h"
> > #include "dsk5416.h"
> > #include "dsk5416_pcm3002.h"
> > #include "csl_mcbsp.h"
> > #include
> > #include "csl_gpio.h"
> > #include "csl_hpihal.h"
> > #include "csl_gpio.h"
> > #include "tonecfg.h"
> >
> > void delay(void)
> > {
> > long i, j=0;
> > for(i=0;i
> > j++;
> > }
> >
> > }
> > while(1)
> > {
> > MCBSP_RSETH(hMcbsp0, SPCR1 ,0x0000);
> > MCBSP_RSETH(hMcbsp0, SPCR2,0x0000);
> > MCBSP_RSETH(hMcbsp0, PCR,0x2a0a);
> > delay();
> > MCBSP_RSET(PCR0, 0x2a00);
> > MCBSP_RSETH(hMcbsp0, PCR,0x2a00);
> > delay();
> > }
> > void main()
> > {
> > // Initialize the board support library
> > DSK5416_init();
> >
> > }
> >
> > Also I configured McBSP on CSL as GPIO port .
> > the program is built without any error.
> > I connected an LED to DC_BCLKX0 on DSK5416 but it didn't work.
> > Do you know what wrong is with it.
>
> ------------
> Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it
now.