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Mon Dec 8 09:16:37 PST 2008


Where is the "missing link" where the physical ADC pins is connected to some
higher level of abstraction?
What elements in the provided code do I need to change (if any changes are
needed), to make sure i'm hooking up to the right pins and can call a
separate "Read" on each one?

Thanks,

Jeff Chen

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Hey All,<br><br>I&#39;m using TinyOS 2.0.2 and the MicaZ motes (ATmega 128s) to interact with the ADCs.&nbsp; I&#39;m trying to connect 3 ultrasound sensors with ADC output to the MicaZ through the 51
pin header (pin 36-43 are the 8 ADC pins from the ATmega128). <br><br>After going through the tutorials, code and TEPs, I&#39;m still not quite sure how TinyOS abstracts from the physical ADC pin on the Atmega all the way to the &quot;Read&quot; function in the HAL.&nbsp; After diving into the code, the abstraction seems to go on and on...&nbsp; Also, &quot;Read&quot; so far seems only to read a single generic ADC device input<br>

<br>From a project standpoint:<br>Where is the &quot;missing link&quot; where the physical ADC pins is connected to some higher level of abstraction?<br>What elements in the provided code do I need to change (if any changes are needed), to make sure i&#39;m hooking up to the right pins and can call a separate &quot;Read&quot; on each one?<br>

<br>Thanks,<br><br clear="all">Jeff Chen<br>

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