Make tracking use the plate solver

1 files changed, 45 insertions, 5 deletions

diff --git a/indi-celestronaux/celestronaux.cpp b/indi-celestronaux/celestronaux.cpp
index 907375b..bbc46aa 100644
--- a/indi-celestronaux/celestronaux.cpp
+++ b/indi-celestronaux/celestronaux.cpp
@@ -1565,13 +1565,53 @@ void CelestronAUX::TimerHit()
 #endif
                     trackByRate(AXIS_ALT, trackRates[AXIS_ALT]);
                 }
-                break;
-            }
-            break;
+            } else {
+                double delta=1./3600.;
+
+                double ra1 = m_SkyTrackingTarget.rightascension;
+                double ra2=ra1+delta;
+                double dec= m_SkyTrackingTarget.declination;
+
+                INDI::IEquatorialCoordinates m1;
+                if (!SkyToTelescopeEquatorial(ra1,dec,m1.rightascension,m1.declination)) {
+                        m1.rightascension=ra1;
+                        m1.declination=dec;
+                }
+
+                uint32_t e1[2];
+                CelestronAUX::RADEToEncoders(m1,e1[0],e1[1]);
+
+                INDI::IEquatorialCoordinates m2;
+                if (!SkyToTelescopeEquatorial(ra2,dec,m2.rightascension,m2.declination)) {
+                        m2.rightascension=ra2;
+                        m2.declination=dec;
+                }
+                uint32_t e2[2];
+                CelestronAUX::RADEToEncoders(m2,e2[0],e2[1]);
+
+                double r_ra=(m2.rightascension-m1.rightascension)/delta;
+                double r_dec=(m2.declination-m1.declination)/delta;
+
+                int d_a1=e2[0]-e1[0];
+                int d_a2=e2[1]-e1[1];
+
+                r_ra*=TRACKRATE_SIDEREAL;
+                r_dec*=TRACKRATE_SIDEREAL;
+
+                r_ra=std::abs(r_ra);
+                r_dec=std::abs(r_dec);
+
+                if (d_a1>0) r_ra=-r_ra;
+                if (d_a2>0) r_dec=-r_dec;
+
+                CelestronAUX::SetTrackRate(r_ra,r_dec);
 
-            default:
-                break;
             }
+        }
+        break;
+
+    default:
+        break;
     }
 
     // Check if seeking index or leveling is done