From 3759e51365fadb78955811457295d8b82f90680a Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Sun, 10 Jul 2016 14:46:13 +0800
Subject: [PATCH] Fix operator precedence error in drawVerticalLine
---
OLEDDisplay.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/OLEDDisplay.cpp b/OLEDDisplay.cpp
index 3a8e3e2..2161d3e 100644
--- a/OLEDDisplay.cpp
+++ b/OLEDDisplay.cpp
@@ -278,7 +278,7 @@ void OLEDDisplay::drawVerticalLine(int16_t x, int16_t y, int16_t length) {
}
if (length > 0) {
- drawBit = (1 << length & 7) - 1;
+ drawBit = (1 << (length & 7)) - 1;
switch (color) {
case WHITE: *bufferPtr |= drawBit; break;
case BLACK: *bufferPtr &= drawBit; break;
--
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