Radu Radoveneanu / UniGraphic

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Inits/TFT_MIPI.cpp@10:668cf78ff93a, 2015-02-19 (annotated)

Committer:
Geremia
Date:
Thu Feb 19 00:33:27 2015 +0000
Revision:
10:668cf78ff93a
Parent:
9:1749ae993cfe
Child:
11:b842b8e332cb
Added FastWindow for TFT (truncated set page/column cmds), which increases speed when plotting single pixels (around 20-25% faster?!?!)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 4:12ba0ecc2c1f 1 /* mbed UniGraphic library - Device specific class
Geremia 4:12ba0ecc2c1f 2 * Copyright (c) 2015 Giuliano Dianda
Geremia 4:12ba0ecc2c1f 3 * Released under the MIT License: http://mbed.org/license/mit
Geremia 4:12ba0ecc2c1f 4 */
Geremia 4:12ba0ecc2c1f 5 #include "Protocols.h"
Geremia 4:12ba0ecc2c1f 6 #include "TFT_MIPI.h"
Geremia 4:12ba0ecc2c1f 7
Geremia 4:12ba0ecc2c1f 8 //////////////////////////////////////////////////////////////////////////////////
Geremia 4:12ba0ecc2c1f 9 // display settings ///////////////////////////////////////////////////////
Geremia 4:12ba0ecc2c1f 10 /////////////////////////////////////////////////////////////////////////
Geremia 4:12ba0ecc2c1f 11
dreschpe 9:1749ae993cfe 12 // put in constructor
dreschpe 9:1749ae993cfe 13 //#define LCDSIZE_X 320 // display X pixels, TFTs are usually portrait view
dreschpe 9:1749ae993cfe 14 //#define LCDSIZE_Y 480 // display Y pixels
Geremia 4:12ba0ecc2c1f 15
Geremia 4:12ba0ecc2c1f 16
Geremia 4:12ba0ecc2c1f 17
dreschpe 9:1749ae993cfe 18 TFT_MIPI::TFT_MIPI(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)
Geremia 4:12ba0ecc2c1f 19 : TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 4:12ba0ecc2c1f 20 {
Geremia 4:12ba0ecc2c1f 21 hw_reset();
Geremia 4:12ba0ecc2c1f 22 BusEnable(true);
Geremia 7:bb0383b91104 23 identify(); // will collect tftID, set mipistd flag
Geremia 4:12ba0ecc2c1f 24 init();
Geremia 7:bb0383b91104 25 // scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
Geremia 4:12ba0ecc2c1f 26 set_orientation(0);
Geremia 10:668cf78ff93a 27 // FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
Geremia 4:12ba0ecc2c1f 28 cls();
Geremia 4:12ba0ecc2c1f 29 locate(0,0);
Geremia 4:12ba0ecc2c1f 30 }
dreschpe 9:1749ae993cfe 31 TFT_MIPI::TFT_MIPI(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 )
Geremia 4:12ba0ecc2c1f 32 : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 4:12ba0ecc2c1f 33 {
Geremia 4:12ba0ecc2c1f 34 hw_reset(); //TFT class forwards to Protocol class
Geremia 4:12ba0ecc2c1f 35 BusEnable(true); //TFT class forwards to Protocol class
Geremia 7:bb0383b91104 36 identify(); // will collect tftID and set mipistd flag
Geremia 4:12ba0ecc2c1f 37 init(); // per display custom init cmd sequence, implemented here
Geremia 7:bb0383b91104 38 // scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
Geremia 4:12ba0ecc2c1f 39 set_orientation(0); //TFT class does for MIPI standard and some ILIxxx
Geremia 10:668cf78ff93a 40 // FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
Geremia 4:12ba0ecc2c1f 41 cls();
Geremia 4:12ba0ecc2c1f 42 locate(0,0);
Geremia 4:12ba0ecc2c1f 43 }
Geremia 4:12ba0ecc2c1f 44 // reset and init the lcd controller
Geremia 4:12ba0ecc2c1f 45 void TFT_MIPI::init()
Geremia 4:12ba0ecc2c1f 46 {
Geremia 4:12ba0ecc2c1f 47 /* Start Initial Sequence ----------------------------------------------------*/
Geremia 4:12ba0ecc2c1f 48
Geremia 4:12ba0ecc2c1f 49 /* Start Initial Sequence ----------------------------------------------------*/
Geremia 4:12ba0ecc2c1f 50 wr_cmd8(0xD0); // POWER SETTING
Geremia 4:12ba0ecc2c1f 51 wr_data8(0x07);
Geremia 4:12ba0ecc2c1f 52 wr_data8(0x42);
Geremia 4:12ba0ecc2c1f 53 wr_data8(0x18);
Geremia 4:12ba0ecc2c1f 54
Geremia 4:12ba0ecc2c1f 55 wr_cmd8(0xD1); // VCOM control
Geremia 4:12ba0ecc2c1f 56 wr_data8(0x00);
Geremia 4:12ba0ecc2c1f 57 wr_data8(0x07);
Geremia 4:12ba0ecc2c1f 58 wr_data8(0x10);
Geremia 4:12ba0ecc2c1f 59
Geremia 4:12ba0ecc2c1f 60 wr_cmd8(0xD2); // Power_Setting for Normal Mode
Geremia 4:12ba0ecc2c1f 61 wr_data8(0x01); // LCD power supply current
Geremia 4:12ba0ecc2c1f 62 wr_data8(0x02); // charge pumps
Geremia 4:12ba0ecc2c1f 63
Geremia 4:12ba0ecc2c1f 64 wr_cmd8(0xC0); // Panel Driving Setting
Geremia 4:12ba0ecc2c1f 65 wr_data8(0x10); // 10 orig
Geremia 4:12ba0ecc2c1f 66 wr_data8(0x3B); //number of lines+1 *8
Geremia 4:12ba0ecc2c1f 67 wr_data8(0x00);
Geremia 4:12ba0ecc2c1f 68 wr_data8(0x02);
Geremia 4:12ba0ecc2c1f 69 wr_data8(0x11);
Geremia 4:12ba0ecc2c1f 70
Geremia 4:12ba0ecc2c1f 71 // C1 missing? Display_Timing_Setting for Normal Mode
Geremia 4:12ba0ecc2c1f 72
Geremia 4:12ba0ecc2c1f 73 //renesas does not have this
Geremia 4:12ba0ecc2c1f 74 // wr_cmd8(0xC5); // Frame Rate and Inversion Control
Geremia 4:12ba0ecc2c1f 75 // wr_data8(0x03); // 72hz, datashet tells default 02=85hz
Geremia 4:12ba0ecc2c1f 76
Geremia 4:12ba0ecc2c1f 77 wr_cmd8(0xC8); // Gamma settings
Geremia 4:12ba0ecc2c1f 78 wr_data8(0x00);
Geremia 4:12ba0ecc2c1f 79 wr_data8(0x32);
Geremia 4:12ba0ecc2c1f 80 wr_data8(0x36);
Geremia 4:12ba0ecc2c1f 81 wr_data8(0x45);
Geremia 4:12ba0ecc2c1f 82 wr_data8(0x06);
Geremia 4:12ba0ecc2c1f 83 wr_data8(0x16);
Geremia 4:12ba0ecc2c1f 84 wr_data8(0x37);
Geremia 4:12ba0ecc2c1f 85 wr_data8(0x75);
Geremia 4:12ba0ecc2c1f 86 wr_data8(0x77);
Geremia 4:12ba0ecc2c1f 87 wr_data8(0x54);
Geremia 4:12ba0ecc2c1f 88 wr_data8(0x0C);
Geremia 4:12ba0ecc2c1f 89 wr_data8(0x00);
Geremia 4:12ba0ecc2c1f 90
Geremia 4:12ba0ecc2c1f 91
Geremia 4:12ba0ecc2c1f 92
Geremia 4:12ba0ecc2c1f 93 wr_cmd8(0x36); // MEMORY_ACCESS_CONTROL (orientation stuff)
Geremia 4:12ba0ecc2c1f 94 wr_data8(0x0A); // 0A as per chinese example (vertical flipped)
Geremia 4:12ba0ecc2c1f 95
Geremia 4:12ba0ecc2c1f 96 wr_cmd8(0x3A); // COLMOD_PIXEL_FORMAT_SET, not present in AN
Geremia 4:12ba0ecc2c1f 97 wr_data8(0x55); // 16 bit pixel
Geremia 4:12ba0ecc2c1f 98
Geremia 4:12ba0ecc2c1f 99 wr_cmd8(0x13); // Nomal Displaymode
Geremia 4:12ba0ecc2c1f 100
Geremia 4:12ba0ecc2c1f 101 wr_cmd8(0x11); // sleep out
Geremia 4:12ba0ecc2c1f 102 wait_ms(150);
Geremia 4:12ba0ecc2c1f 103
Geremia 4:12ba0ecc2c1f 104 wr_cmd8(0x29); // display on
Geremia 4:12ba0ecc2c1f 105 wait_ms(150);
Geremia 4:12ba0ecc2c1f 106
Geremia 4:12ba0ecc2c1f 107 }