Changing the return value will have no effect on the ADC.
There used to be an interface for this that was actually
documented in the code:
ADCControl.setSamplingRate(uint8_t rate);
The name may have changed to setPrescaler() or something
more obvious.
MS
Kushal Sarkara wrote:
> Hello,
>
> I am using TinyOS 2.1.1 on Ubuntu 9.10 with MicaZ motes. I am looking to
> alter the value of the prescaler while sampling the X axis of the
> accelerometer on the mts300 sensorboard.
>
> After doing some digging, I found the
> file /tos/sensorboards/mts300/AccelP.nc which returns the value of the
> prescaler for configuring the Adc, the getdata() function for which
> leads me back to the /tos/chips/atm128/adc/Atm128AdcP.nc file.
>
> The code in the AccelP.nc file that I am referring to is as follows:
> /
> /
> / async command uint8_t ConfigX.getPrescaler() {/
> / return ATM128_ADC_PRESCALE;/
> / }/
> /
> /
> Will it suffice to change the returned value to, for
> example, /ATM128_ADC_PRESCALE_32 (/as provided in
> the /tos/chips/atm128/adc/Atm128Adc.h) if I want to use the adc
> prescaler (32)?
>
> Thanks in advance,
> Kushal
>
>
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>
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