[Tinyos-help] bug in MSP430TimerM and MSP430TimerP

[Tie Luo]

If this is really a bug, where should be modified in Tinyos 2?

On 11/10/06, decesco at cab.cnea.gov.ar <decesco at cab.cnea.gov.ar> wrote:
>
> Hi,
>
> I tried to use the inputdivider function to set the prescaler for the
> timer and it didnt work. I check the implementation and I believe I should
> be change from
>
> async command void TimerA.setInputDivider( uint16_t inputDivider )
> {
>    TACTL = (TACTL & ~(ID_1|ID_3)) | ((inputDivider << 8) & (ID_1|ID_3));
> }
>
> to
>
> async command void TimerA.setInputDivider( uint16_t inputDivider )
> {
>    TACTL = (TACTL & ~(ID_1|ID_3)) | ((inputDivider << 6) & (ID_1|ID_3));
> }
>
> the difference is in the shift operation, note 6 is the first bit
> corresponding to input divider in Timer control register.
>
> It worked with this change
>
> -Bill
>
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>



-- 
Regards,
Tie
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