Arunkumar Mourougappane
UniGraphics Library Fork to support mbed os 6.3 Release for ILI9341
Dependents: TFT_ILI9341_UniGraphic TFT_ILI9341_os6
Diff: Inits/ILI9341.cpp
- Revision:
- 0:bb2bda4f5846
- Child:
- 1:6f267dbbafec
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Inits/ILI9341.cpp Tue Oct 06 05:07:55 2020 +0000
@@ -0,0 +1,179 @@
+ /* 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 "ILI9341.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+// display settings ///////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////
+
+// put in constructor
+//#define LCDSIZE_X 240 // display X pixels, TFTs are usually portrait view
+//#define LCDSIZE_Y 320 // display Y pixels
+
+
+
+ILI9341::ILI9341(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();
+ set_orientation(0);
+ cls();
+ FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
+ locate(0,0);
+}
+ILI9341::ILI9341(proto_t displayproto, PinName* buspins, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name, unsigned int LCDSIZE_X, unsigned int LCDSIZE_Y)
+ : TFT(displayproto, buspins, 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();
+ set_orientation(0);
+ cls();
+ FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
+ locate(0,0);
+}
+ILI9341::ILI9341(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.
+ cls();
+ locate(0,0);
+}
+// reset and init the lcd controller
+void ILI9341::init()
+{
+ /* Start Initial Sequence ----------------------------------------------------*/
+
+ wr_cmd8(0xCB); // POWER_ON_SEQ_CONTROL
+ wr_data8(0x39);
+ wr_data8(0x2C);
+ wr_data8(0x00);
+ wr_data8(0x34);
+ wr_data8(0x02);
+
+ wr_cmd8(0xCF); // POWER_CONTROL_B
+ wr_data8(0x00);
+ wr_data8(0xC1); // Applic Notes 81, was 83, C1 enables PCEQ: PC and EQ operation for power saving
+ wr_data8(0x30);
+
+ wr_cmd8(0xE8); // DRIVER_TIMING_CONTROL_A
+ wr_data8(0x85);
+ wr_data8(0x00); // AN 10, was 01
+ wr_data8(0x78); // AN 7A, was 79
+
+ wr_cmd8(0xEA); // DRIVER_TIMING_CONTROL_B
+ wr_data8(0x00);
+ wr_data8(0x00);
+
+ wr_cmd8(0xED);
+ wr_data8(0x64);
+ wr_data8(0x03);
+ wr_data8(0x12);
+ wr_data8(0x81);
+
+ wr_cmd8(0xF7); // PUMP_RATIO_CONTROL
+ wr_data8(0x20);
+
+ wr_cmd8(0xC0); // POWER_CONTROL_1
+ wr_data8(0x23); // AN 21, was 26
+
+ wr_cmd8(0xC1); // POWER_CONTROL_2
+ wr_data8(0x10); // AN 11, was 11
+
+ wr_cmd8(0xC5); // VCOM_CONTROL_1
+ wr_data8(0x3E); // AN 3F, was 35
+ wr_data8(0x28); // AN 3C, was 3E
+
+ wr_cmd8(0xC7); // VCOM_CONTROL_2
+ wr_data8(0x86); // AN A7, was BE
+
+
+
+ wr_cmd8(0xB1); // Frame Rate
+ wr_data8(0x00);
+ wr_data8(0x18); // AN 1B, was 1B 1B=70hz
+
+ wr_cmd8(0xB6); // display function control, INTERESTING
+ wr_data8(0x08); // AN 0A, was 0A
+ wr_data8(0x82); // AN A2
+ wr_data8(0x27); // AN not present
+ // wr_data8(0x00); // was present
+
+ wr_cmd8(0xF2); // Gamma Function Disable
+ wr_data8(0x00); // AN 00, was 08
+
+ wr_cmd8(0x26);
+ wr_data8(0x01); // gamma set for curve 01/2/04/08
+
+ wr_cmd8(0xE0); // positive gamma correction
+ wr_data8(0x0F);
+ wr_data8(0x31);
+ wr_data8(0x2B);
+ wr_data8(0x0C);
+ wr_data8(0x0E);
+ wr_data8(0x08);
+ wr_data8(0x4E);
+ wr_data8(0xF1);
+ wr_data8(0x37);
+ wr_data8(0x07);
+ wr_data8(0x10);
+ wr_data8(0x03);
+ wr_data8(0x0E);
+ wr_data8(0x09);
+ wr_data8(0x00);
+
+ wr_cmd8(0xE1); // negativ gamma correction
+ wr_data8(0x00);
+ wr_data8(0x0E);
+ wr_data8(0x14);
+ wr_data8(0x03);
+ wr_data8(0x11);
+ wr_data8(0x07);
+ wr_data8(0x31);
+ wr_data8(0xC1);
+ wr_data8(0x48);
+ wr_data8(0x08);
+ wr_data8(0x0F);
+ wr_data8(0x0C);
+ wr_data8(0x31);
+ wr_data8(0x36);
+ wr_data8(0x0F);
+
+ //wr_cmd8(0x34); // tearing effect off
+
+ //wr_cmd8(0x35); // tearing effect on
+
+ // wr_cmd8(0xB7); // ENTRY_MODE_SET
+ // wr_data8(0x07);
+
+ 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
+ ThisThread::sleep_for(150);
+
+ wr_cmd8(0x29); // display on
+ ThisThread::sleep_for(150);
+
+}
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