From c226793f941cb02c75c67ede188d1822d9c46afb Mon Sep 17 00:00:00 2001
From: JbLb <jerome@jblb.net>
Date: Sat, 4 Jan 2020 22:01:10 +0100
Subject: [PATCH] correct display for value on Oled display

---
 src/hoverserial.ino | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hoverserial.ino b/src/hoverserial.ino
index 136aed6..9c88501 100644
--- a/src/hoverserial.ino
+++ b/src/hoverserial.ino
@@ -257,10 +257,10 @@ void loop(void)
     display.setTextSize(1);     // Draw 1X-scale text
     display.setTextColor(SSD1306_WHITE);
     display.print("Speed : ");
-    display.setCursor(45, 30);
-    display.print("   ");
-    display.display();
-    display.setCursor(45, 30);
+    old_cursorX = display.getCursorX();
+    old_cursorY = display.getCursorY();
+    display.fillRect(old_cursorX,old_cursorY,(6*4),8,SSD1306_BLACK); // erase previous display
+    display.setCursor(old_cursorX,old_cursorY);
     display.print(iTest);
     display.display();
     // Calculate test command signal