Stepan Smejkal / UniGraphic

.

Inits/ILI9341.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
Geremia 2:713844a55c4e 6 #include "Protocols.h"
Geremia 2:713844a55c4e 7 #include "ILI9341.h"
Geremia 2:713844a55c4e 8
Geremia 2:713844a55c4e 9 //////////////////////////////////////////////////////////////////////////////////
Geremia 2:713844a55c4e 10 // display settings ///////////////////////////////////////////////////////
Geremia 2:713844a55c4e 11 /////////////////////////////////////////////////////////////////////////
Geremia 2:713844a55c4e 12
dreschpe 9:1749ae993cfe 13 // put in constructor
dreschpe 9:1749ae993cfe 14 //#define LCDSIZE_X 240 // display X pixels, TFTs are usually portrait view
dreschpe 9:1749ae993cfe 15 //#define LCDSIZE_Y 320 // display Y pixels
Geremia 2:713844a55c4e 16
Geremia 2:713844a55c4e 17
Geremia 2:713844a55c4e 18
dreschpe 9:1749ae993cfe 19 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)
Geremia 2:713844a55c4e 20 : TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 2:713844a55c4e 21 {
Geremia 2:713844a55c4e 22 hw_reset();
Geremia 2:713844a55c4e 23 BusEnable(true);
Geremia 7:bb0383b91104 24 identify(); // will collect tftID and set mipistd flag
Geremia 2:713844a55c4e 25 init();
Geremia 4:12ba0ecc2c1f 26 set_orientation(0);
Geremia 2:713844a55c4e 27 cls();
Geremia 10:668cf78ff93a 28 FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
Geremia 2:713844a55c4e 29 locate(0,0);
Geremia 2:713844a55c4e 30 }
dreschpe 9:1749ae993cfe 31 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)
Geremia 2:713844a55c4e 32 : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 2:713844a55c4e 33 {
Geremia 2:713844a55c4e 34 hw_reset(); //TFT class forwards to Protocol class
Geremia 2:713844a55c4e 35 BusEnable(true); //TFT class forwards to Protocol class
Geremia 7:bb0383b91104 36 identify(); // will collect tftID and set mipistd flag
Geremia 2:713844a55c4e 37 init(); // per display custom init cmd sequence, implemented here
Geremia 4:12ba0ecc2c1f 38 set_orientation(0); //TFT class does for MIPI standard and some ILIxxx
Geremia 10:668cf78ff93a 39 FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
Geremia 2:713844a55c4e 40 cls();
Geremia 2:713844a55c4e 41 locate(0,0);
Geremia 2:713844a55c4e 42 }
Geremia 2:713844a55c4e 43 // reset and init the lcd controller
Geremia 2:713844a55c4e 44 void ILI9341::init()
Geremia 2:713844a55c4e 45 {
Geremia 2:713844a55c4e 46 /* Start Initial Sequence ----------------------------------------------------*/
Geremia 2:713844a55c4e 47
Geremia 2:713844a55c4e 48 wr_cmd8(0xCB); // POWER_ON_SEQ_CONTROL
Geremia 2:713844a55c4e 49 wr_data8(0x39);
Geremia 2:713844a55c4e 50 wr_data8(0x2C);
Geremia 2:713844a55c4e 51 wr_data8(0x00);
Geremia 2:713844a55c4e 52 wr_data8(0x34);
Geremia 2:713844a55c4e 53 wr_data8(0x02);
Geremia 2:713844a55c4e 54
Geremia 2:713844a55c4e 55 wr_cmd8(0xCF); // POWER_CONTROL_B
Geremia 2:713844a55c4e 56 wr_data8(0x00);
Geremia 2:713844a55c4e 57 wr_data8(0xC1); // Applic Notes 81, was 83, C1 enables PCEQ: PC and EQ operation for power saving
Geremia 2:713844a55c4e 58 wr_data8(0x30);
Geremia 2:713844a55c4e 59
Geremia 2:713844a55c4e 60 wr_cmd8(0xE8); // DRIVER_TIMING_CONTROL_A
Geremia 2:713844a55c4e 61 wr_data8(0x85);
Geremia 2:713844a55c4e 62 wr_data8(0x00); // AN 10, was 01
Geremia 2:713844a55c4e 63 wr_data8(0x78); // AN 7A, was 79
Geremia 2:713844a55c4e 64
Geremia 2:713844a55c4e 65 wr_cmd8(0xEA); // DRIVER_TIMING_CONTROL_B
Geremia 2:713844a55c4e 66 wr_data8(0x00);
Geremia 2:713844a55c4e 67 wr_data8(0x00);
Geremia 2:713844a55c4e 68
Geremia 2:713844a55c4e 69 wr_cmd8(0xED);
Geremia 2:713844a55c4e 70 wr_data8(0x64);
Geremia 2:713844a55c4e 71 wr_data8(0x03);
Geremia 2:713844a55c4e 72 wr_data8(0x12);
Geremia 2:713844a55c4e 73 wr_data8(0x81);
Geremia 2:713844a55c4e 74
Geremia 2:713844a55c4e 75 wr_cmd8(0xF7); // PUMP_RATIO_CONTROL
Geremia 2:713844a55c4e 76 wr_data8(0x20);
Geremia 2:713844a55c4e 77
Geremia 2:713844a55c4e 78 wr_cmd8(0xC0); // POWER_CONTROL_1
Geremia 2:713844a55c4e 79 wr_data8(0x23); // AN 21, was 26
Geremia 2:713844a55c4e 80
Geremia 2:713844a55c4e 81 wr_cmd8(0xC1); // POWER_CONTROL_2
Geremia 2:713844a55c4e 82 wr_data8(0x10); // AN 11, was 11
Geremia 2:713844a55c4e 83
Geremia 2:713844a55c4e 84 wr_cmd8(0xC5); // VCOM_CONTROL_1
Geremia 2:713844a55c4e 85 wr_data8(0x3E); // AN 3F, was 35
Geremia 2:713844a55c4e 86 wr_data8(0x28); // AN 3C, was 3E
Geremia 2:713844a55c4e 87
Geremia 2:713844a55c4e 88 wr_cmd8(0xC7); // VCOM_CONTROL_2
Geremia 2:713844a55c4e 89 wr_data8(0x86); // AN A7, was BE
Geremia 2:713844a55c4e 90
Geremia 2:713844a55c4e 91
Geremia 2:713844a55c4e 92
Geremia 2:713844a55c4e 93 wr_cmd8(0xB1); // Frame Rate
Geremia 2:713844a55c4e 94 wr_data8(0x00);
Geremia 2:713844a55c4e 95 wr_data8(0x18); // AN 1B, was 1B 1B=70hz
Geremia 2:713844a55c4e 96
Geremia 2:713844a55c4e 97 wr_cmd8(0xB6); // display function control, INTERESTING
Geremia 2:713844a55c4e 98 wr_data8(0x08); // AN 0A, was 0A
Geremia 2:713844a55c4e 99 wr_data8(0x82); // AN A2
Geremia 2:713844a55c4e 100 wr_data8(0x27); // AN not present
Geremia 2:713844a55c4e 101 // wr_data8(0x00); // was present
Geremia 2:713844a55c4e 102
Geremia 2:713844a55c4e 103 wr_cmd8(0xF2); // Gamma Function Disable
Geremia 2:713844a55c4e 104 wr_data8(0x00); // AN 00, was 08
Geremia 2:713844a55c4e 105
Geremia 2:713844a55c4e 106 wr_cmd8(0x26);
Geremia 2:713844a55c4e 107 wr_data8(0x01); // gamma set for curve 01/2/04/08
Geremia 2:713844a55c4e 108
Geremia 2:713844a55c4e 109 wr_cmd8(0xE0); // positive gamma correction
Geremia 2:713844a55c4e 110 wr_data8(0x0F);
Geremia 2:713844a55c4e 111 wr_data8(0x31);
Geremia 2:713844a55c4e 112 wr_data8(0x2B);
Geremia 2:713844a55c4e 113 wr_data8(0x0C);
Geremia 2:713844a55c4e 114 wr_data8(0x0E);
Geremia 2:713844a55c4e 115 wr_data8(0x08);
Geremia 2:713844a55c4e 116 wr_data8(0x4E);
Geremia 2:713844a55c4e 117 wr_data8(0xF1);
Geremia 2:713844a55c4e 118 wr_data8(0x37);
Geremia 2:713844a55c4e 119 wr_data8(0x07);
Geremia 2:713844a55c4e 120 wr_data8(0x10);
Geremia 2:713844a55c4e 121 wr_data8(0x03);
Geremia 2:713844a55c4e 122 wr_data8(0x0E);
Geremia 2:713844a55c4e 123 wr_data8(0x09);
Geremia 2:713844a55c4e 124 wr_data8(0x00);
Geremia 2:713844a55c4e 125
Geremia 2:713844a55c4e 126 wr_cmd8(0xE1); // negativ gamma correction
Geremia 2:713844a55c4e 127 wr_data8(0x00);
Geremia 2:713844a55c4e 128 wr_data8(0x0E);
Geremia 2:713844a55c4e 129 wr_data8(0x14);
Geremia 2:713844a55c4e 130 wr_data8(0x03);
Geremia 2:713844a55c4e 131 wr_data8(0x11);
Geremia 2:713844a55c4e 132 wr_data8(0x07);
Geremia 2:713844a55c4e 133 wr_data8(0x31);
Geremia 2:713844a55c4e 134 wr_data8(0xC1);
Geremia 2:713844a55c4e 135 wr_data8(0x48);
Geremia 2:713844a55c4e 136 wr_data8(0x08);
Geremia 2:713844a55c4e 137 wr_data8(0x0F);
Geremia 2:713844a55c4e 138 wr_data8(0x0C);
Geremia 2:713844a55c4e 139 wr_data8(0x31);
Geremia 2:713844a55c4e 140 wr_data8(0x36);
Geremia 2:713844a55c4e 141 wr_data8(0x0F);
Geremia 2:713844a55c4e 142
Geremia 2:713844a55c4e 143 //wr_cmd8(0x34); // tearing effect off
Geremia 2:713844a55c4e 144
Geremia 2:713844a55c4e 145 //wr_cmd8(0x35); // tearing effect on
Geremia 2:713844a55c4e 146
Geremia 2:713844a55c4e 147 // wr_cmd8(0xB7); // ENTRY_MODE_SET
Geremia 2:713844a55c4e 148 // wr_data8(0x07);
Geremia 4:12ba0ecc2c1f 149
Geremia 4:12ba0ecc2c1f 150 wr_cmd8(0x36); // MEMORY_ACCESS_CONTROL (orientation stuff)
Geremia 4:12ba0ecc2c1f 151 wr_data8(0x48);
Geremia 4:12ba0ecc2c1f 152
Geremia 4:12ba0ecc2c1f 153 wr_cmd8(0x3A); // COLMOD_PIXEL_FORMAT_SET
Geremia 4:12ba0ecc2c1f 154 wr_data8(0x55); // 16 bit pixel
Geremia 4:12ba0ecc2c1f 155
Geremia 4:12ba0ecc2c1f 156 wr_cmd8(0x13); // Nomal Displaymode
Geremia 4:12ba0ecc2c1f 157
Geremia 2:713844a55c4e 158 wr_cmd8(0x11); // sleep out
Geremia 2:713844a55c4e 159 wait_ms(150);
Geremia 2:713844a55c4e 160
Geremia 2:713844a55c4e 161 wr_cmd8(0x29); // display on
Geremia 2:713844a55c4e 162 wait_ms(150);
Geremia 2:713844a55c4e 163
Geremia 2:713844a55c4e 164 }