From f37a65ca36d6039aa71d80d6bbc88a0747550d81 Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Wed, 27 Nov 2013 20:01:32 +0100
Subject: [PATCH] dda_queue.c: run every queued thing through dda_create().

This allows dda_create() to track things queued but not being a movement.
Important for lookahead.
---
 dda.c       | 5 ++++-
 dda_queue.c | 3 +--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/dda.c b/dda.c
index a1fed05..6d4df90 100644
--- a/dda.c
+++ b/dda.c
@@ -91,10 +91,13 @@ void dda_create(DDA *dda, TARGET *target) {
   static uint8_t idcnt = 0;
   static DDA* prev_dda = NULL;
 
-  if (prev_dda && prev_dda->done)
+  if ((prev_dda && prev_dda->done) || dda->waitfor_temp)
     prev_dda = NULL;
   #endif
 
+  if (dda->waitfor_temp)
+    return;
+
 	// initialise DDA to a known state
 	dda->allflags = 0;
 
diff --git a/dda_queue.c b/dda_queue.c
index d433d47..25a06a8 100644
--- a/dda_queue.c
+++ b/dda_queue.c
@@ -114,15 +114,14 @@ void enqueue_home(TARGET *t, uint8_t endstop_check, uint8_t endstop_stop_cond) {
 	DDA* new_movebuffer = &(movebuffer[h]);
 
   if (t != NULL) {
-    dda_create(new_movebuffer, t);
 		new_movebuffer->endstop_check = endstop_check;
 		new_movebuffer->endstop_stop_cond = endstop_stop_cond;
 	}
 	else {
 		// it's a wait for temp
 		new_movebuffer->waitfor_temp = 1;
-		new_movebuffer->nullmove = 0;
 	}
+  dda_create(new_movebuffer, t);
 
 	// make certain all writes to global memory
 	// are flushed before modifying mb_head.