[Tinyos-help] ADC.getData on a Tmote speed?
cory at moteiv.com
Thu Sep 22 12:01:11 PDT 2005
The information you seek is in the MSP430 User's Guide, Chapter 17. Section
17.2.5, "Sample and Conversion Timing" will be of particular interest. You
may also find ADC_README in tinyos-1.x/tos/platform/msp430/ helpful.
Briefly, a conversion takes tsync + tsample + tconvert, all of which are a
function of the ADC clock. tsample is defined by SHTx which can be 4 to 1024
ADC clock cycles, and tconvert is 13 ADC clock cycles.
Hope that helps,
Cory Sharp <cory at moteiv.com>
On 9/22/05, Dan Steingart <steinda at berkeley.edu> wrote:
> Does anyone know how long it takes, on average, for the ADC.getData
> command to do its business on a Telosb or TMote? Better yet, anyone
> know the upper and lower bounds on this time?
> Thanks in advance,
> Tinyos-help mailing list
> Tinyos-help at Millennium.Berkeley.EDU
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