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authorLorenz Meier <lm@inf.ethz.ch>2013-04-25 17:25:42 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-04-25 17:25:42 +0200
commited9fbbce5946d22ded1519ddec1b5ff6a8f2e511 (patch)
treed719793cb905d2b40b0d80b5acfb3452008c6b5f /apps/mavlink
parentd62058eccf7d3801a752aac11fb2c37f198a239c (diff)
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HIL bugfixing
Diffstat (limited to 'apps/mavlink')
-rw-r--r--apps/mavlink/mavlink_receiver.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/apps/mavlink/mavlink_receiver.c b/apps/mavlink/mavlink_receiver.c
index a30f0bf3c..22c2fcdad 100644
--- a/apps/mavlink/mavlink_receiver.c
+++ b/apps/mavlink/mavlink_receiver.c
@@ -477,25 +477,27 @@ handle_message(mavlink_message_t *msg)
/* gps */
hil_gps.timestamp_position = gps.time_usec;
-// hil_gps.counter = hil_counter++;
hil_gps.time_gps_usec = gps.time_usec;
hil_gps.lat = gps.lat;
hil_gps.lon = gps.lon;
hil_gps.alt = gps.alt;
-// hil_gps.counter_pos_valid = hil_counter++;
hil_gps.eph_m = (float)gps.eph * 1e-2f; // from cm to m
hil_gps.epv_m = (float)gps.epv * 1e-2f; // from cm to m
hil_gps.s_variance_m_s = 5.0f;
hil_gps.p_variance_m = hil_gps.eph_m * hil_gps.eph_m;
hil_gps.vel_m_s = (float)gps.vel * 1e-2f; // from cm/s to m/s
- /* gps.cog is in degrees 0..360 * 100, heading is -PI..PI */
- float heading_rad = gps.cog * M_DEG_TO_RAD_F * 1e-2f - M_PI_F;
+ /* gps.cog is in degrees 0..360 * 100, heading is -PI..+PI */
+ float heading_rad = gps.cog * M_DEG_TO_RAD_F * 1e-2f;
+ /* go back to -PI..PI */
+ if (heading_rad > M_PI_F)
+ heading_rad -= 2.0f * M_PI_F;
hil_gps.vel_n_m_s = (float)gps.vel * 1e-2f * cosf(heading_rad);
hil_gps.vel_e_m_s = (float)gps.vel * 1e-2f * sinf(heading_rad);
hil_gps.vel_d_m_s = 0.0f;
- /* COG (course over ground) is speced as 0..360 degrees (compass) */
- hil_gps.cog_rad = heading_rad + M_PI_F; // from deg*100 to rad
+ hil_gps.vel_ned_valid = true;
+ /* COG (course over ground) is speced as -PI..+PI */
+ hil_gps.cog_rad = heading_rad;
hil_gps.fix_type = gps.fix_type;
hil_gps.satellites_visible = gps.satellites_visible;