Hi!
On Wed, 14 May 2008, Shikhar Sachan wrote:
> I made an application but was still not able to figure out which ADC
> am I reading from....
> The files VoltageP and VoltageP do not specify the same...
The constants you are probably looking for are in this file:
tinyos-2.x/tos/chips/atm128/adc/Atm128Adc.h
Also take a look at the "Analog to Digital Converter" chapter from the
Atmega128L manual (pages 230-245):
http://www.atmel.com/dyn/resources/prod_documents/doc2467.pdf
--
Razvan ME
> On Wed, May 14, 2008 at 8:42 AM, Shikhar Sachan <[EMAIL PROTECTED]> wrote:
>> Thank you for the help...
>> I will try the same and get back in case it does not work. However, I
>> would like to know if I run the default application to read the
>> values from PhotoTemp sensor which automatically reads values from
>> ADC1, will it be able to sample ADC1 if I do not attach the
>> programming board(specific to the PhotoTemp sensor) and attach my
>> custom sensor instead.
>>
>> Thanks
>>
>> Shikhar
>>
>>
>>
>>
>> On Tue, May 13, 2008 at 11:43 PM, Philip Levis <[EMAIL PROTECTED]> wrote:
>> >
>> >
>> > On May 13, 2008, at 11:04 AM, Shikhar Sachan wrote:
>> >
>> >
>> >> Greetings
>> >> I am facing slight difficulty in reading values directly from the ADC
>> >> pins in my MicaZ motes.
>> >> I need to retrieve values from ADC1,2 and 3. In tinyOS 1x,there was an
>> >> ADC interface defined which could be used.
>> >>
>> >> However, this is not the case in tinyos 2x because of so much abstraction.
>> >> I would be thankful if someone could pass me on the code.
>> >>
>> >
>> >
>> > Please take a look at
>> >
>> > platform/mica/VoltageC.nc
>> > platform/mica/VoltageP.nc
>> >
>> > They show how to write a simple ADC sample. VoltageP is just 3 lines of
>> > code that tell the ADC how to be configured for the sample.
>> >
>> > Phil
>> >
>>
>
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