From bf8808ce22e3056480c5820e3367a5544e31f62e Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Thu, 2 Aug 2018 16:50:04 +0200
Subject: [PATCH] Fix compiler warning sketch/tmc2130.cpp: In function 'void
 tmc2130_set_wave(uint8_t, uint8_t, uint8_t)':

sketch/tmc2130.cpp:921:32: warning: 'reg' may be used uninitialized in this function [-Wmaybe-uninitialized]

This was completely innocent, as reg was zeroed inside for loop.
---
 Firmware/tmc2130.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Firmware/tmc2130.cpp b/Firmware/tmc2130.cpp
index 9548af37a..27600e928 100644
--- a/Firmware/tmc2130.cpp
+++ b/Firmware/tmc2130.cpp
@@ -869,7 +869,7 @@ void tmc2130_set_wave(uint8_t axis, uint8_t amp, uint8_t fac1000)
 	int8_t b;                      //encoded bit value
     int8_t dA;                     //delta value
 	int i;                         //microstep index
-	uint32_t reg;                  //tmc2130 register
+	uint32_t reg = 0;              //tmc2130 register
 	tmc2130_wr_MSLUTSTART(axis, 0, amp);
 	for (i = 0; i < 256; i++)
 	{