added flag accessors

Author: kovach

include/libswiftnav/dgnss_management.h

@@ -63,6 +63,9 @@ void dgnss_reset_iar(void);
 void dgnss_init_known_baseline(u8 num_sats, sdiff_t *sdiffs, double receiver_ecef[3], double b[3]);
 void dgnss_update_ambiguity_state(ambiguity_state_t *s);
 u8 baseline_flag(s8 ret, bool fixed);
+u8 flag_raim_repaired(u8 flag);
+u8 flag_raim_available(u8 flag);
+u8 flag_fixed_mode(u8 flag);
 s8 dgnss_baseline(u8 num_sdiffs, const sdiff_t *sdiffs,
                   const double ref_ecef[3], const ambiguity_state_t *s,
                   u8 *num_used, double b[3],

src/dgnss_management.c

@@ -412,6 +412,21 @@ u8 baseline_flag(s8 ret, bool fixed)
        | fixed;           /* Fixed mode? */
 }
 
+u8 flag_raim_repaired(u8 flag)
+{
+  return flag & (1 << 4);
+}
+
+u8 flag_raim_available(u8 flag)
+{
+  return flag & (1 << 3);
+}
+
+u8 flag_fixed_mode(u8 flag)
+{
+  return flag & 1;
+}
+
 /** Finds the baseline using low latency sdiffs.
  * The low latency sdiffs are not guaranteed to match up with either the
  * amb_test's or the float sdiffs, and thus care must be taken to transform them

src/pvt.c

@@ -546,11 +546,12 @@ s8 calc_PVT(const u8 n_used,
 
   soln->raim_flag = 0;
 
-  /* Initial solution failed, but repair was successful. */
   if (code == 1) {
+    /* Initial solution failed, but repair was successful. */
     soln->n_used--;
     soln->raim_flag = (1 << 1) | 1; /* 11 */
   } else if (code == 2) {
+    /* raim was unavailable */
     soln->raim_flag = 0; /* 00 */
   } else if (code == 0) {
     soln->raim_flag = 1; /* 01 */