From d10c0f3041331ee7971b55d586991dc594612254 Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Sun, 10 Nov 2013 17:02:17 +0100
Subject: [PATCH] dda.c: clear /all/ lookahead variables when starting.

Catched it! :-)

This was causing occasional step losses when a movement with
zero crossF followed a pair with high crossF.
---
 dda.c           | 1 +
 dda_lookahead.c | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/dda.c b/dda.c
index b6aee80..a21dc45 100644
--- a/dda.c
+++ b/dda.c
@@ -113,6 +113,7 @@ void dda_create(DDA *dda, TARGET *target) {
   #ifdef LOOKAHEAD
     // Set the start and stop speeds to zero for now = full stops between
     // moves. Also fallback if lookahead calculations fail to finish in time.
+    dda->crossF = 0;
     dda->F_start = 0;
     dda->start_steps = 0;
     dda->F_end = 0;
diff --git a/dda_lookahead.c b/dda_lookahead.c
index 7fb8597..1d5ca1e 100644
--- a/dda_lookahead.c
+++ b/dda_lookahead.c
@@ -172,7 +172,6 @@ void dda_find_crossing_speed(DDA *prev, DDA *current, uint32_t curr_distance) {
   // Bail out if there's nothing to join (e.g. G1 F1500).
   if ( ! prev || prev->nullmove) {
     prev_distance = curr_distance;
-    current->crossF = 0;
     return;
   }