I am having problem precisely reading in a pulse-width signal on a
telosb node.
This code runs, but I think errors are coming from non-deterministic
execution of events between this and other events in the code.
async event void pwminput.fired() {
uint16_t time;
time = call Counter.get();
atomic {
if (edgeState == TRUE) {
startEdge = time;
edgeState = FALSE;
} else {
endEdge = time;
local.readings[0] = endEdge-startEdge;
edgeState = TRUE;
}
}
call pwminput.clear();
call pwminput.edge(edgeState);
}
I noticed that there is a GpioCapture interface as part TinyOS but I
can not figure out how to attach it to an external pin. Can anyone
offer some suggestions or example code that I can base my system off
of.
Thanks,
Timothy Hnat
[email protected]
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