Karl Zweimüller / UniGraphic

UniGraphic-Fork for ST7920-LCD-controller and SH1106. Tested with 128x64 LCD with SPI and 128x64-OLED with IIC

Dependents:   UniGraphic-St7920-Test AfficheurUTILECO

Fork of UniGraphic by GraphicsDisplay

Fork of the UniGraphic-Library for monochrome LCDs with ST7920 controller and 128x64-IIC-OLED-Display with SH1106-Controller

/media/uploads/charly/20170522_210344.jpg

/media/uploads/charly/20180425_230623.jpg

Had to adapt LCD for following reasons:

  • Give access to screenbuffer buffer[] to parent class
  • pixel() and pixel_read() as they are hardware-dependent
  • added reset-pin to IIC-Interface

GraphicDisplay:: sends buffer to LCD when auto_update is set to true.

Testprogram for ST7920 can be found here:

https://developer.mbed.org/users/charly/code/UniGraphic-St7920-Test/

Diff: Inits/UC1608.cpp

Revision:
3:48f3282c2be8
Parent:
1:ff019d22b275
Child:
4:12ba0ecc2c1f
diff -r 713844a55c4e -r 48f3282c2be8 Inits/UC1608.cpp
--- a/Inits/UC1608.cpp	Fri Feb 13 23:17:55 2015 +0000
+++ b/Inits/UC1608.cpp	Sat Feb 14 17:42:21 2015 +0000
@@ -52,8 +52,8 @@
     wait_ms(10);
     
    // wr_cmd8(0x81);//Set Gain and Potentiometer
-  //  wr_cmd8(0x40|46);//Set Gain and Potentiometer  xx xxxxxx
-    set_contrast(46);
+  //  wr_cmd8(0x40|26);//Set Gain and Potentiometer  xx xxxxxx
+    set_contrast(26);
     
     wr_cmd8(0x88);   //disable colum/page address wraparound
     wr_cmd8(0xA4);   //  LCD display ram (EntireDisplayOn disable)