Hi Dhaval,
it seems we develop similar applications.. If you are always on this group reply
me so we could exchange some informations.
Thanks,
Raffaele
> Hi Everybody,
>
>I am a new member to this group. Thanks to the mod/owner who started
>this yahoo group. I am a newbie to DSP programming and just commenced
>my project using TMSDSPF2812. I have to develop V/F control inverter
>for motor applicaiton.
>
>While debugging a frustrating problem, I found that _IQsin function
>was not returning proper value, the _IQsin wont work as specified in
>IQMath document.
>
>Do you have any clue of what could be the possible reason or a way to
>get around it.
>
>Thanks.
>
>- Dhaval
>
>-------------------------
>_iq29 in2, out2;
>
>void main(void )
>{
>in2=_IQ29(0.25*PI);
>out2=_IQ29sin(in2);
>}
>-
>
>
>Expected values;
>in2= 0x1921EA40 h
>out2= 0x16A09E66 h
>
>Actual values;
>in2= 0x1921EA40 h
>out2=0xE0473A3D h (this is totally wrong.. dont know why)
>
>Please help.. I am a newbie and frustrated by this simple problem. I
>would really appreciate your support and guidance.
>
>Thanks.
>
>- Dhaval Shah
> http://www.ece.uvic.ca/~dhavalss/
>
>
>
>
>
>
>
>
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