linuxdvb rotor: Add Min Rotor Move

tvheadend · Dec 18, 2014 · 7a16e29 · 7a16e29
1 parent c8885ce
commit 7a16e29
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Showing 3 changed files with 16 additions and 2 deletions.
diff --git a/src/input/mpegts/linuxdvb/linuxdvb_private.h b/src/input/mpegts/linuxdvb/linuxdvb_private.h
@@ -145,6 +145,7 @@ struct linuxdvb_satconf
    */
   int                    ls_lnb_poweroff;
   uint32_t               ls_max_rotor_move;
+  uint32_t               ls_min_rotor_move;
   double                 ls_site_lat;
   double                 ls_site_lon;
   uint32_t               ls_motor_rate;

diff --git a/src/input/mpegts/linuxdvb/linuxdvb_rotor.c b/src/input/mpegts/linuxdvb/linuxdvb_rotor.c
@@ -294,7 +294,7 @@ linuxdvb_rotor_grace
 {
   linuxdvb_rotor_t *lr = (linuxdvb_rotor_t*)ld;
   linuxdvb_satconf_t *ls = ld->ld_satconf->lse_parent;
-  int newpos, delta, tunit;
+  int newpos, delta, tunit, min, res;
 
   if (!ls->ls_last_orbital_pos || ls->ls_motor_rate == 0)
     return ls->ls_max_rotor_move;
@@ -310,7 +310,13 @@ linuxdvb_rotor_grace
     return 0;
 
   /* add one extra second, because of the rounding issue */
-  return ((ls->ls_motor_rate*delta+(tunit-1))/tunit) + 1;
+  res = ((ls->ls_motor_rate*delta+(tunit-1))/tunit) + 1;
+
+  min = 1 + ls->ls_min_rotor_move;
+  if (res < min)
+    res = min;
+
+  return res;
 }
 
 static int

diff --git a/src/input/mpegts/linuxdvb/linuxdvb_satconf.c b/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
@@ -253,6 +253,13 @@ const idclass_t linuxdvb_satconf_class =
       .opts     = PO_ADVANCED,
       .def.u32  = 120
     },
+    {
+      .type     = PT_U32,
+      .id       = "min_rotor_move",
+      .name     = "Min Rotor Time (seconds)",
+      .off      = offsetof(linuxdvb_satconf_t, ls_min_rotor_move),
+      .opts     = PO_ADVANCED,
+    },
     {
       .type     = PT_DBL,
       .id       = "site_lat",