examples/gps: show units in output#3541
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The GPS example prints parsed measurements without explicit units. The RMC floating-point speed path also used minmea_tocoord(), even though speed is not a coordinate. Add units to the output labels, print speed with minmea_tofloat(), and print GGA altitude as a scaled value with the sentence-provided unit. Signed-off-by: Nightt <87569709+nightt5879@users.noreply.github.com>
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Summary
minmea_tofloat()so it is shown as knots instead of using coordinate conversionFixes #3083
Testing
git diff --check -- examples/gps/gps_main.csim:minmeawithCONFIG_EXAMPLES_GPS=yin a temporary WSL checkout and verifiedgps_main.ccompiles