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Used 131072 instead of (1<<17). Because of no integer promotion, needed int32_t cast on degrees
Added “signed” to signed type defines just to be sure.
stp_latlon() An instance of wanting to convert a negative signed number in to a positive one by inverting the bits without adding 1. Let C18 sort the details of twos compliment out and just saying latlon = -latlon; Achieved conversion from Q20.11seconds to degrees*1000000 without floating point.
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Hi Carrott, |
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Completely untested. Not even compiled. Want to try it out?