RChung wrote:
rruff wrote:
He showed a photo of his calibration screen showing "Raw Torque" in 10ths of an in-lb. The offset was still in whole in-lb though.Hmmm. You know, now that I think about it, I'm not sure what units the offset number used, or why it was "centered" at 512.
I can only speculate but considering we are talking about days when processing power and memory in a cyclo-computer was at a premium...
If a display can't show negative numbers (my old PT Cervos didn't), best then to use a large enough positive value as the baseline as well as large enough to provide some reasonable level of resolution at the unit level.
That and 512 is a power of two in binary number system which (along with all units up to 1023) can be stored with just 2 bytes.
Baseline:
(512)â‚â‚€ = (1000000000)â‚‚
One unit above:
(513)â‚â‚€ = (1000000001)â‚‚
One unit below:
(511)â‚â‚€ = (0111111111)â‚‚
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