From 48d1bd29cb51da730b02cec7313889b859bb1ba2 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sat, 25 May 2019 15:19:47 -0500
Subject: [PATCH] Shift m before compare to 0
---
Marlin/src/module/temperature.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 462942d768..f8494bfa06 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -1191,9 +1191,8 @@ void Temperature::manage_heater() {
#define SCAN_THERMISTOR_TABLE(TBL,LEN) do{ \
uint8_t l = 0, r = LEN, m; \
for (;;) { \
- m = l + r; \
+ m = (l + r) >> 1; \
if (!m) return short(pgm_read_word(&TBL[0][1])); \
- m >>= 1; \
if (m == l || m == r) return short(pgm_read_word(&TBL[LEN-1][1])); \
short v00 = pgm_read_word(&TBL[m-1][0]), \
v10 = pgm_read_word(&TBL[m-0][0]); \
--
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