GraphicsDisplay / UniGraphic

Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.

Dependents:   testUniGraphic_150217 maze_TFT_MMA8451Q TFT_test_frdm-kl25z TFT_test_NUCLEO-F411RE ... more

Diff: Inits/IST3020.cpp

Revision:
0:75ec1b3cde17
Child:
1:ff019d22b275
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Inits/IST3020.cpp	Thu Feb 12 22:22:47 2015 +0000
@@ -0,0 +1,63 @@
+#include "Protocols.h"
+#include "IST3020.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+// display settings ///////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////
+#define IC_X_SEGS    256 // IST3020 SEG has range 0-255 (255-0 if ADC=1), check your datasheet, important for the orientation
+#define IC_Y_COMS    64  // IST3020 COM has range 0-63 (63-0 if SHL=1), check your datasheet, important for the orientation
+#define LCDSIZE_X       192 // display X pixels, IST3020 is advertised as 224x65 but display size could be smaller
+#define LCDSIZE_Y       64  // display Y pixels, the 65th is for accessing "icons"
+
+
+
+IST3020::IST3020(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name)
+    : LCD(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name)
+{
+    hw_reset();
+    BusEnable(true);
+    init();  
+}
+IST3020::IST3020(proto_t displayproto, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const char *name)
+    : LCD(displayproto, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name)
+{
+    hw_reset();
+    init();  
+}
+// reset and init the lcd controller
+void IST3020::init()
+{
+    /* Start Initial Sequence ----------------------------------------------------*/
+    
+    wr_cmd(0xE2);   //  sw reset
+    wait_ms(10);
+    
+    wr_cmd(0xAE);   //  display off
+    wr_cmd(0xAB);   //  built-in OSC on
+    wr_cmd(0xA2);   //  bias voltage (1/9)
+  //  wr_cmd(0xA3);   //  bias voltage (1/7)
+
+    wr_cmd(0xA0);   // ADC select seg0-seg223
+    //wr_cmd(0xA1);   // ADC select seg223-seg0
+    wr_cmd(0xC8);   // SHL select com63-com0
+    //wr_cmd(0xC0);   // SHL select com0-com63
+
+    wr_cmd(0x2C);   //  Internal Voltage Converter ON
+    wait_ms(10);
+    wr_cmd(0x2E);   //  Internal Voltage Regulator ON
+    wait_ms(10);
+    wr_cmd(0x2F);   //  Internal Voltage Follower ON
+    wait_ms(10);
+    wr_cmd(0x20);   //  Regulor_Resistor_Select resistor ratio 20-27 20=4.5(default) 27=8.0, 0.5 steps
+    set_contrast(48);
+    //wr_cmd(0x81);   //  set contrast (reference voltage register set)
+    //wr_cmd(0x20);   //  contrast 00-3F default 20
+    
+    wr_cmd(0xA4);   //  LCD display ram (EntireDisplayOn disable)
+    //wr_cmd(0x70);   //  External Capacitors Discharge function enable (should be enabled by default)
+    //wr_cmd(0x77);   //  External Capacitors Discharge function disable
+    wr_cmd(0x40);   // start line = 0
+    wr_cmd(0xA6);     // display normal (1 = illuminated)
+    wr_cmd(0xAF);     // display ON 
+
+}
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