Reading Digital caliper with Arduino

[EdK]

OK Arvid, I see why you used the pins you used.

I've switched the clock to PIN 2 and the data to PIN 3.

I've got some questions though.

#define CLOCK_NOISE_FILTER 20 // How many microseconds long must the clock be stable for it to be consider 'good'
#define MINIMUM_BURST_START_PULSE_WIDTH 20 // At a minimum, how many microseconds long is the pulse at the beginning of a burst
#define MAXIMUM_TIME_FOR_A_SINGLE_BURST 10000 // The maximum amount of time that a burst should take before considered invalid

The first line I'm assuming you're referring to after the edge detection we need to see the low level for 20 uS to be considered a good pulse. Assuming a falling edge interrupt trigger. Correct?

The second line is similar to the first but used when starting a new burst. Correct?

What are you defining as a burst? All 24 bits or a nibble? What is the time base for this, microseconds?

Ed