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(parent: 740d964) | patch
altos/telegps: Keep ring of recent GPS positions to detect motion quickly
authorKeith Packard <keithp@keithp.com>
Fri, 13 Jun 2014 04:54:13 +0000 (21:54 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 13 Jun 2014 04:54:13 +0000 (21:54 -0700)
commitdcaaf51245b44a440ee8590512f71195c30c16ae
tree914e9538c11d8fbd292b5d9adb3ea5c683d95ab6tree | snapshot
parent740d964ab82da8695c04650926afee4a0905011ccommit | diff
altos/telegps: Keep ring of recent GPS positions to detect motion quickly

Instead of comparing only against the last logged value, keep a ring
and start logging as soon as we move away from the furthest one in the ring.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/kernel/ao_tracker.c diff | blob | history
AltOS - the operating system for Altus Metrum products