Add OLED SSD130x contrast control

ohmtech-rdi · Mar 29, 2024 · d87c2ae · d87c2ae
1 parent a9cb1aa
commit d87c2ae
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diff --git a/include/erb/daisy/OledSsd130x.h b/include/erb/daisy/OledSsd130x.h
@@ -49,6 +49,8 @@ class OledSsd130x
    void           init ();
    void           update ();
 
+   void           set_contrast (uint8_t contrast);
+
 
 
 /*\\\ INTERNAL \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

diff --git a/include/erb/daisy/OledSsd130x.hpp b/include/erb/daisy/OledSsd130x.hpp
@@ -140,6 +140,21 @@ void  OledSsd130x <Width, Height, XOffset, PageOffset, Transport>::update ()
 
 
 
+/*
+==============================================================================
+Name : set_contrast
+==============================================================================
+*/
+
+template <size_t Width, size_t Height, size_t XOffset, size_t PageOffset, typename Transport>
+void  OledSsd130x <Width, Height, XOffset, PageOffset, Transport>::set_contrast (uint8_t contrast)
+{
+   _transport.SendCommand (0x81);   // Contrast control
+   _transport.SendCommand (contrast);
+}
+
+
+
 /*\\\ INTERNAL \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/