[aprssig] Dear Mr Kenwood (MicE decoding)
Chuck.Gooden at comcast.net
Mon Dec 28 19:03:16 CST 2009
Have you considered you may be using the wrong hardware then? Your a
software guru...deal with it.
Scott Miller wrote:
>> Done. Plus a little cleanup here and there... It was designed
>> to be a pretty simple manipulation of bits. A table was never
>> intended. That was just how Ian decided to represent the
>> algorithm in the spec making it appear overly complex when in
>> fact, it is a very simple offset of bits.
> And how would you suggest implementing the speed and altitude? Where
> speed = (1.08^x)-1 and altitude = 1.002^x? Yeah, it's easy on a PC
> where you've got floating point support and memory and CPU cycles to
> burn. Not fun on an 8-bit MCU that more often than not doesn't even
> have a hardware multiplier. Certainly not as simple as the single
> QBASIC statement needed to handle it might imply.
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