From 851a91306a4f5764d7830c8d0a79c22539cea4b4 Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Mon, 14 Mar 2011 17:27:40 +0100
Subject: [PATCH] timer.c: don't reset next_step_time when doing a step.

Doing so adds most of the interrupt execution time to the
step time, see line 126 of the same file:

    if (next_step_time == 0) {
      // new move, take current time as start value
      step_start = TCNT1;
    }
---
 timer.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/timer.c b/timer.c
index 296f2bc..4f93dd9 100644
--- a/timer.c
+++ b/timer.c
@@ -69,7 +69,6 @@ void timer1_compa_isr() {
 ISR(TIMER1_COMPA_vect) {
 	// Check if this is a real step, or just a next_step_time "overflow"
 	if (next_step_time < 65536) {
-		next_step_time = 0;
 		// step!
 		timer1_compa_isr();
 		return;