From 54677d0a0ef957669b735424fe35c5132b1de20e Mon Sep 17 00:00:00 2001
From: mareksaw-cg <82727321+mareksaw-cg@users.noreply.github.com>
Date: Mon, 19 Apr 2021 07:46:52 +0200
Subject: [PATCH] Update ssd1309.py

Added contrast level adjustment.
---
 ssd1309.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ssd1309.py b/ssd1309.py
index fdbf32e..ed76fb3 100644
--- a/ssd1309.py
+++ b/ssd1309.py
@@ -132,6 +132,14 @@ def clear_buffers(self):
         """Clear buffer.
         """
         self.monoFB.fill(0x00)
+        
+        
+    def contrast(self, contrast):
+        """Set contrast level 0 to 255
+        """
+        self.write_cmd(CONTRAST_CONTROL)
+        self.write_cmd(contrast)
+        
 
     def draw_bitmap(self, path, x, y, w, h, invert=False, rotate=0):
         """Load MONO_HMSB bitmap from disc and draw to screen.