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/

Revision:
27:acb2594b8aa4
Parent:
25:daacdcf34e52
Child:
33:f87f06292637
--- a/Display/LCD.cpp	Sun Oct 18 17:31:33 2015 +0000
+++ b/Display/LCD.cpp	Mon Oct 26 12:49:02 2015 +0000
@@ -17,20 +17,23 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "platform.h"
+#include "LCD.h"
 
-#include "LCD.h"
+#if DEVICE_PORTINOUT
+#include "PAR8.h"
+#include "PAR16.h"
+#endif
 
 //#include "mbed_debug.h"
 
 #define SWAP(a, b)  { a ^= b; b ^= a; a ^= b; }
 
-
+#if DEVICE_PORTINOUT
 LCD::LCD(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const int ic_x_segs, const int ic_y_coms, const char *name)
     : GraphicsDisplay(name), screensize_X(lcdsize_x), screensize_Y(lcdsize_y), _LCDPAGES(lcdsize_y>>3), _IC_X_SEGS(ic_x_segs), _IC_Y_COMS(ic_y_coms), _IC_PAGES(ic_y_coms>>3)
 {
-#if DEVICE_PORTINOUT
-    if(displayproto==PAR_8) proto = new PAR8(port, CS, reset, DC, WR, RD);
-#endif    
+    if(displayproto==PAR_8) proto = new PAR8(port, CS, reset, DC, WR, RD);  
     useNOP=false;
     buffer = (unsigned char*) malloc (screensize_X*_LCDPAGES);
     buffer16 = (unsigned short*)buffer;
@@ -43,6 +46,8 @@
   //  cls();
   //  locate(0,0);
 }
+#endif  
+
 LCD::LCD(proto_t displayproto, PinName* buspins, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const int ic_x_segs, const int ic_y_coms, const char *name)
     : GraphicsDisplay(name), screensize_X(lcdsize_x), screensize_Y(lcdsize_y), _LCDPAGES(lcdsize_y>>3), _IC_X_SEGS(ic_x_segs), _IC_Y_COMS(ic_y_coms), _IC_PAGES(ic_y_coms>>3)
 {