Diff: UniGraphic/Inits/ILI9486.cpp

Revision:

0:fa952828e34c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UniGraphic/Inits/ILI9486.cpp	Sun May 10 10:44:31 2020 +0000
@@ -0,0 +1,153 @@
+ /* mbed UniGraphic library - Device specific class
+ * Copyright (c) 2015 Giuliano Dianda
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+#include "Protocols.h"
+#include "ILI9486.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+// display settings ///////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////
+
+// put in constructor
+//#define LCDSIZE_X       320 // display X pixels, TFTs are usually portrait view
+//#define LCDSIZE_Y       480  // display Y pixels
+
+
+
+ILI9486::ILI9486(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)
+    : TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
+{
+    hw_reset();
+    BusEnable(true);
+    identify(); // will collect tftID and set mipistd flag
+    init();
+    auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
+    set_orientation(0);
+ //   FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. ILI9486 does not, at least in par mode
+    cls();
+    locate(0,0); 
+}
+ILI9486::ILI9486(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)
+    : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
+{
+    hw_reset(); //TFT class forwards to Protocol class
+    BusEnable(true); //TFT class forwards to Protocol class
+    identify(); // will collect tftID and set mipistd flag
+    init(); // per display custom init cmd sequence, implemented here
+    auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
+    set_orientation(0); //TFT class does for MIPI standard and some ILIxxx
+ //   FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. ILI9486 does not, at least in par mode
+    cls();
+    locate(0,0); 
+}
+// reset and init the lcd controller
+void ILI9486::init()
+{
+    /* Start Initial Sequence ----------------------------------------------------*/
+    
+    wr_cmd8(0xF1);
+    wr_data8(0x36);
+    wr_data8(0x04);
+    wr_data8(0x00);
+    wr_data8(0x3C);
+    wr_data8(0x0F);
+    wr_data8(0x8F);
+
+
+    wr_cmd8(0xF2);
+    wr_data8(0x18);
+    wr_data8(0xA3);
+    wr_data8(0x12);
+    wr_data8(0x02);
+    wr_data8(0xb2);
+    wr_data8(0x12);
+    wr_data8(0xFF);
+    wr_data8(0x10);
+    wr_data8(0x00);
+
+    wr_cmd8(0xF8);
+    wr_data8(0x21);
+    wr_data8(0x04);
+
+    wr_cmd8(0xF9);
+    wr_data8(0x00);
+    wr_data8(0x08);  
+
+    wr_cmd8(0xC0);
+    wr_data8(0x0f); //13
+    wr_data8(0x0f); //10
+
+    wr_cmd8(0xC1);
+    wr_data8(0x42); //43
+
+    wr_cmd8(0xC2);
+    wr_data8(0x22);
+
+    wr_cmd8(0xC5);
+    wr_data8(0x01); //00
+    wr_data8(0x29); //4D
+    wr_data8(0x80);
+
+    wr_cmd8(0xB6);
+    wr_data8(0x00);
+    wr_data8(0x02); //42
+    wr_data8(0x3b);
+
+    wr_cmd8(0xB1);
+    wr_data8(0xB0); //C0
+    wr_data8(0x11);
+
+    wr_cmd8(0xB4);
+    wr_data8(0x02); //01
+
+    wr_cmd8(0xE0);
+    wr_data8(0x0F);
+    wr_data8(0x18);
+    wr_data8(0x15);
+    wr_data8(0x09);
+    wr_data8(0x0B);
+    wr_data8(0x04);
+    wr_data8(0x49);
+    wr_data8(0x64);
+    wr_data8(0x3D);
+    wr_data8(0x08);
+    wr_data8(0x15);
+    wr_data8(0x06);
+    wr_data8(0x12);
+    wr_data8(0x07);
+    wr_data8(0x00);
+
+    wr_cmd8(0xE1);
+    wr_data8(0x0F);
+    wr_data8(0x38);
+    wr_data8(0x35);
+    wr_data8(0x0a);
+    wr_data8(0x0c);
+    wr_data8(0x03);
+    wr_data8(0x4A);
+    wr_data8(0x42);
+    wr_data8(0x36);
+    wr_data8(0x04);
+    wr_data8(0x0F);
+    wr_data8(0x03);
+    wr_data8(0x1F);
+    wr_data8(0x1B);
+    wr_data8(0x00);
+
+    wr_cmd8(0x20);                     // display inversion OFF
+  
+    wr_cmd8(0x36);      // MEMORY_ACCESS_CONTROL (orientation stuff)
+    wr_data8(0x48);
+     
+    wr_cmd8(0x3A);      // COLMOD_PIXEL_FORMAT_SET
+    wr_data8(0x55);     // 16 bit pixel 
+
+    wr_cmd8(0x13); // Nomal Displaymode
+    
+    wr_cmd8(0x11);                     // sleep out
+    wait_ms(150);
+     
+    wr_cmd8(0x29);                     // display on
+    wait_ms(150);
+}
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