k4be/GPStracker

作者	SHA1 备注	提交日期
k4be	6b46383b8b Fix reset-cause detection under Optiboot, gate speed samples, widen counters, add stack/IO diagnostics	1 周之前
k4be	ef4eccf117 Elevation dead-band/smoothing, NMEA-average speed, and a restructured system log	1 周之前
k4be	139fe81b28 Add test system for NMEA parsing and GPX generation	9 月之前