From ed2a08c50d6b8ebcc8c1d2f15e73c1f2a1e25041 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Thu, 10 Jul 2014 17:10:49 -0700 Subject: altoslib: Handle wide GPS altitude values in eeprom and telemetry Detect when the wider data is present and handle it correctly Signed-off-by: Keith Packard --- altoslib/AltosTelemetryLocation.java | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'altoslib/AltosTelemetryLocation.java') diff --git a/altoslib/AltosTelemetryLocation.java b/altoslib/AltosTelemetryLocation.java index 9d50e2fa..427ae16e 100644 --- a/altoslib/AltosTelemetryLocation.java +++ b/altoslib/AltosTelemetryLocation.java @@ -37,11 +37,12 @@ public class AltosTelemetryLocation extends AltosTelemetryStandard { int climb_rate; int course; + public static final int AO_GPS_MODE_ALTITUDE_24 = (1 << 0); /* Reports 24-bits of altitude */ + public AltosTelemetryLocation(int[] bytes) { super(bytes); flags = uint8(5); - altitude = int16(6); latitude = uint32(8); longitude = uint32(12); year = uint8(16); @@ -57,6 +58,11 @@ public class AltosTelemetryLocation extends AltosTelemetryStandard { ground_speed = uint16(26); climb_rate = int16(28); course = uint8(30); + + if ((mode & AO_GPS_MODE_ALTITUDE_24) != 0) { + altitude = (int8(31) << 16) | uint16(6); + } else + altitude = int16(6); } public void update_state(AltosState state) { -- cgit v1.2.3