UC1608.cpp

00001  /* mbed UniGraphic library - Device specific class
00002  * Copyright (c) 2015 Giuliano Dianda
00003  * Released under the MIT License: http://mbed.org/license/mit
00004  */
00005 #include "Protocols.h "
00006 #include "UC1608.h"
00007 
00008 //////////////////////////////////////////////////////////////////////////////////
00009 // display settings ///////////////////////////////////////////////////////
00010 /////////////////////////////////////////////////////////////////////////
00011 #define IC_X_SEGS    240 // UC1608 SEG has range 0-239 (239-0 if MX=1), check your datasheet, important for the orientation
00012 #define IC_Y_COMS    128  // UC1608 COM has range 0-127 (127-0 if MY=1), check your datasheet, important for the orientation
00013 //#define LCDSIZE_X       240 // display X pixels
00014 //#define LCDSIZE_Y       120  // display Y pixels, UC1608 is advertised as 240x128 but display size could be smaller
00015 
00016 
00017 
00018 UC1608::UC1608(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name , unsigned int LCDSIZE_X, unsigned  int LCDSIZE_Y)
00019     : LCD(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name)
00020 {
00021     hw_reset();
00022     BusEnable(true);
00023     init();
00024     cls();
00025     set_orientation(1);
00026     locate(0,0);
00027 }
00028 UC1608::UC1608(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const char *name, unsigned int LCDSIZE_X, unsigned  int LCDSIZE_Y)
00029     : LCD(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, IC_X_SEGS, IC_Y_COMS, name)
00030 {
00031     hw_reset();
00032     BusEnable(true);
00033     init();
00034     cls();
00035     set_orientation(1);
00036     locate(0,0);
00037 }
00038 // reset and init the lcd controller
00039 void UC1608::init()
00040 {
00041     /* Start Initial Sequence ----------------------------------------------------*/
00042     
00043   //  wr_cmd8(0xE2);   //  sw reset
00044     wait_ms(15);
00045     
00046     wr_cmd8(0x27);   // Multiplex rate :128   set temperature consenpation 0%
00047     wr_cmd8(0xEA);   //set bias:1/12bias
00048 
00049     wr_cmd8(0xC4);   // set mirror MX=1,MY=0 (controller->display SEGs wiring inverted)
00050    // wr_cmd8(0xA0);   // ADC select seg0-seg223
00051     //wr_cmd8(0xA1);   // ADC select seg223-seg0
00052    // wr_cmd8(0xC8);   // SHL select com63-com0
00053     //wr_cmd8(0xC0);   // SHL select com0-com63
00054 
00055     wr_cmd8(0x2F);   //  //Power Control:internal, LCD capacitance 60nf-90nf
00056     wait_ms(10);
00057     
00058    // wr_cmd8(0x81);//Set Gain and Potentiometer
00059   //  wr_cmd8(0x40|26);//Set Gain and Potentiometer  xx xxxxxx
00060     set_contrast(26);
00061     
00062     wr_cmd8(0x88);   //disable colum/page address wraparound
00063     wr_cmd8(0xA4);   //  LCD display ram (EntireDisplayOn disable)
00064     wr_cmd8(0x40);   // start line = 0
00065     wr_cmd8(0xA6);     // display normal (1 = illuminated)
00066     wr_cmd8(0xAF);     // display ON 
00067 
00068 }
00069 ////////////////////////////////////////////////////////////////////
00070 // functions that overrides the standard ones implemented in LCD.cpp
00071 ////////////////////////////////////////////////////////////////////
00072 void UC1608::mirrorXY(mirror_t mode)
00073 {
00074     switch (mode)
00075     {
00076         case(NONE):
00077             wr_cmd8(0xC4); // this is in real X mirror command, but my display have SEGs wired inverted, so assume this is the default no-x-mirror
00078             break;
00079         case(X):
00080             wr_cmd8(0xC0);
00081             break;
00082         case(Y):
00083             wr_cmd8(0xCC);
00084             break;
00085         case(XY):
00086             wr_cmd8(0xC8);
00087             break;
00088     }
00089 }
00090 void UC1608::set_contrast(int o)
00091 {
00092     contrast = o;
00093   //  wr_cmd8(0x81);      //  set volume
00094   //  wr_cmd8(0x40|(o&0x3F));
00095     wr_cmd16(0x8140|(o&0x3F));
00096 }
00097 void UC1608::BusEnable(bool enable)
00098 {
00099     LCD::BusEnable(!enable); // crap IC has CS not inverted (active HIGH)
00100 }