Set heading to 0 when speed is 0.

2013-01-10 19:03:41 +01:00 · 2013-01-10 19:03:41 +01:00 · 539039f037
parent af4964d72f
commit 539039f037
1 changed files with 2 additions and 0 deletions
--- a/dump1090.c
+++ b/dump1090.c
@ -893,6 +893,8 @@ void decodeModesMessage(struct modesMessage *mm, unsigned char *msg) {
                    mm->heading = heading * 360 / (M_PI*2);
                    /* We don't want negative values but a 0-360 scale. */
                    if (mm->heading < 0) mm->heading += 360;
+                } else {
+                    mm->heading = 0;
                }
            } else if (mm->mesub == 3 || mm->mesub == 4) {
                mm->heading_is_valid = msg[5] & (1<<2);