Stepan Smejkal / UniGraphic

.

Inits/ILI9341.cpp@34:cafa6f431835, 2021-12-06 (annotated)

Committer:
smejky
Date:
Mon Dec 06 22:06:50 2021 +0000
Revision:
34:cafa6f431835
Parent:
21:ae0a4eedfc90
Child:
37:af25f4ad30d6
working;

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
smejky 34:cafa6f431835 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 11:b842b8e332cb 26 auto_gram_read_format();
Geremia 4:12ba0ecc2c1f 27 set_orientation(0);
Geremia 2:713844a55c4e 28 cls();
Geremia 10:668cf78ff93a 29 FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
Geremia 2:713844a55c4e 30 locate(0,0);
Geremia 2:713844a55c4e 31 }
Geremia 21:ae0a4eedfc90 32 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)
Geremia 21:ae0a4eedfc90 33 : TFT(displayproto, buspins, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 21:ae0a4eedfc90 34 {
Geremia 21:ae0a4eedfc90 35 hw_reset();
Geremia 21:ae0a4eedfc90 36 BusEnable(true);
Geremia 21:ae0a4eedfc90 37 identify(); // will collect tftID and set mipistd flag
Geremia 21:ae0a4eedfc90 38 init();
Geremia 21:ae0a4eedfc90 39 auto_gram_read_format();
Geremia 21:ae0a4eedfc90 40 set_orientation(0);
Geremia 21:ae0a4eedfc90 41 cls();
Geremia 21:ae0a4eedfc90 42 FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
Geremia 21:ae0a4eedfc90 43 locate(0,0);
smejky 34:cafa6f431835 44 }*/
dreschpe 9:1749ae993cfe 45 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 46 : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 2:713844a55c4e 47 {
Geremia 2:713844a55c4e 48 hw_reset(); //TFT class forwards to Protocol class
Geremia 2:713844a55c4e 49 BusEnable(true); //TFT class forwards to Protocol class
Geremia 7:bb0383b91104 50 identify(); // will collect tftID and set mipistd flag
Geremia 2:713844a55c4e 51 init(); // per display custom init cmd sequence, implemented here
Geremia 11:b842b8e332cb 52 auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
Geremia 4:12ba0ecc2c1f 53 set_orientation(0); //TFT class does for MIPI standard and some ILIxxx
Geremia 10:668cf78ff93a 54 FastWindow(true); // most but not all controllers support this, even if datasheet tells they should.
Geremia 2:713844a55c4e 55 cls();
Geremia 2:713844a55c4e 56 locate(0,0);
Geremia 2:713844a55c4e 57 }
Geremia 2:713844a55c4e 58 // reset and init the lcd controller
Geremia 2:713844a55c4e 59 void ILI9341::init()
Geremia 2:713844a55c4e 60 {
Geremia 2:713844a55c4e 61 /* Start Initial Sequence ----------------------------------------------------*/
Geremia 2:713844a55c4e 62
Geremia 2:713844a55c4e 63 wr_cmd8(0xCB); // POWER_ON_SEQ_CONTROL
Geremia 2:713844a55c4e 64 wr_data8(0x39);
Geremia 2:713844a55c4e 65 wr_data8(0x2C);
Geremia 2:713844a55c4e 66 wr_data8(0x00);
Geremia 2:713844a55c4e 67 wr_data8(0x34);
Geremia 2:713844a55c4e 68 wr_data8(0x02);
Geremia 2:713844a55c4e 69
Geremia 2:713844a55c4e 70 wr_cmd8(0xCF); // POWER_CONTROL_B
Geremia 2:713844a55c4e 71 wr_data8(0x00);
Geremia 2:713844a55c4e 72 wr_data8(0xC1); // Applic Notes 81, was 83, C1 enables PCEQ: PC and EQ operation for power saving
Geremia 2:713844a55c4e 73 wr_data8(0x30);
Geremia 2:713844a55c4e 74
Geremia 2:713844a55c4e 75 wr_cmd8(0xE8); // DRIVER_TIMING_CONTROL_A
Geremia 2:713844a55c4e 76 wr_data8(0x85);
Geremia 2:713844a55c4e 77 wr_data8(0x00); // AN 10, was 01
Geremia 2:713844a55c4e 78 wr_data8(0x78); // AN 7A, was 79
Geremia 2:713844a55c4e 79
Geremia 2:713844a55c4e 80 wr_cmd8(0xEA); // DRIVER_TIMING_CONTROL_B
Geremia 2:713844a55c4e 81 wr_data8(0x00);
Geremia 2:713844a55c4e 82 wr_data8(0x00);
Geremia 2:713844a55c4e 83
Geremia 2:713844a55c4e 84 wr_cmd8(0xED);
Geremia 2:713844a55c4e 85 wr_data8(0x64);
Geremia 2:713844a55c4e 86 wr_data8(0x03);
Geremia 2:713844a55c4e 87 wr_data8(0x12);
Geremia 2:713844a55c4e 88 wr_data8(0x81);
Geremia 2:713844a55c4e 89
Geremia 2:713844a55c4e 90 wr_cmd8(0xF7); // PUMP_RATIO_CONTROL
Geremia 2:713844a55c4e 91 wr_data8(0x20);
Geremia 2:713844a55c4e 92
Geremia 2:713844a55c4e 93 wr_cmd8(0xC0); // POWER_CONTROL_1
Geremia 2:713844a55c4e 94 wr_data8(0x23); // AN 21, was 26
Geremia 2:713844a55c4e 95
Geremia 2:713844a55c4e 96 wr_cmd8(0xC1); // POWER_CONTROL_2
Geremia 2:713844a55c4e 97 wr_data8(0x10); // AN 11, was 11
Geremia 2:713844a55c4e 98
Geremia 2:713844a55c4e 99 wr_cmd8(0xC5); // VCOM_CONTROL_1
Geremia 2:713844a55c4e 100 wr_data8(0x3E); // AN 3F, was 35
Geremia 2:713844a55c4e 101 wr_data8(0x28); // AN 3C, was 3E
Geremia 2:713844a55c4e 102
Geremia 2:713844a55c4e 103 wr_cmd8(0xC7); // VCOM_CONTROL_2
Geremia 2:713844a55c4e 104 wr_data8(0x86); // AN A7, was BE
Geremia 2:713844a55c4e 105
Geremia 2:713844a55c4e 106
Geremia 2:713844a55c4e 107
Geremia 2:713844a55c4e 108 wr_cmd8(0xB1); // Frame Rate
Geremia 2:713844a55c4e 109 wr_data8(0x00);
smejky 34:cafa6f431835 110 wr_data8(0x13); // AN 1B, was 1B 1B=70hz
Geremia 2:713844a55c4e 111
Geremia 2:713844a55c4e 112 wr_cmd8(0xB6); // display function control, INTERESTING
Geremia 2:713844a55c4e 113 wr_data8(0x08); // AN 0A, was 0A
smejky 34:cafa6f431835 114 wr_data8(0x80); // AN A2
Geremia 2:713844a55c4e 115 wr_data8(0x27); // AN not present
smejky 34:cafa6f431835 116 //wr_data8(0x00); // was present
Geremia 2:713844a55c4e 117
Geremia 2:713844a55c4e 118 wr_cmd8(0xF2); // Gamma Function Disable
Geremia 2:713844a55c4e 119 wr_data8(0x00); // AN 00, was 08
Geremia 2:713844a55c4e 120
Geremia 2:713844a55c4e 121 wr_cmd8(0x26);
Geremia 2:713844a55c4e 122 wr_data8(0x01); // gamma set for curve 01/2/04/08
Geremia 2:713844a55c4e 123
Geremia 2:713844a55c4e 124 wr_cmd8(0xE0); // positive gamma correction
Geremia 2:713844a55c4e 125 wr_data8(0x0F);
Geremia 2:713844a55c4e 126 wr_data8(0x31);
Geremia 2:713844a55c4e 127 wr_data8(0x2B);
Geremia 2:713844a55c4e 128 wr_data8(0x0C);
Geremia 2:713844a55c4e 129 wr_data8(0x0E);
Geremia 2:713844a55c4e 130 wr_data8(0x08);
Geremia 2:713844a55c4e 131 wr_data8(0x4E);
Geremia 2:713844a55c4e 132 wr_data8(0xF1);
Geremia 2:713844a55c4e 133 wr_data8(0x37);
Geremia 2:713844a55c4e 134 wr_data8(0x07);
Geremia 2:713844a55c4e 135 wr_data8(0x10);
Geremia 2:713844a55c4e 136 wr_data8(0x03);
Geremia 2:713844a55c4e 137 wr_data8(0x0E);
Geremia 2:713844a55c4e 138 wr_data8(0x09);
Geremia 2:713844a55c4e 139 wr_data8(0x00);
Geremia 2:713844a55c4e 140
Geremia 2:713844a55c4e 141 wr_cmd8(0xE1); // negativ gamma correction
Geremia 2:713844a55c4e 142 wr_data8(0x00);
Geremia 2:713844a55c4e 143 wr_data8(0x0E);
Geremia 2:713844a55c4e 144 wr_data8(0x14);
Geremia 2:713844a55c4e 145 wr_data8(0x03);
Geremia 2:713844a55c4e 146 wr_data8(0x11);
Geremia 2:713844a55c4e 147 wr_data8(0x07);
Geremia 2:713844a55c4e 148 wr_data8(0x31);
Geremia 2:713844a55c4e 149 wr_data8(0xC1);
Geremia 2:713844a55c4e 150 wr_data8(0x48);
Geremia 2:713844a55c4e 151 wr_data8(0x08);
Geremia 2:713844a55c4e 152 wr_data8(0x0F);
Geremia 2:713844a55c4e 153 wr_data8(0x0C);
Geremia 2:713844a55c4e 154 wr_data8(0x31);
Geremia 2:713844a55c4e 155 wr_data8(0x36);
Geremia 2:713844a55c4e 156 wr_data8(0x0F);
Geremia 2:713844a55c4e 157
Geremia 2:713844a55c4e 158 //wr_cmd8(0x34); // tearing effect off
Geremia 2:713844a55c4e 159
Geremia 2:713844a55c4e 160 //wr_cmd8(0x35); // tearing effect on
Geremia 2:713844a55c4e 161
Geremia 2:713844a55c4e 162 // wr_cmd8(0xB7); // ENTRY_MODE_SET
Geremia 2:713844a55c4e 163 // wr_data8(0x07);
Geremia 4:12ba0ecc2c1f 164
Geremia 4:12ba0ecc2c1f 165 wr_cmd8(0x36); // MEMORY_ACCESS_CONTROL (orientation stuff)
Geremia 4:12ba0ecc2c1f 166 wr_data8(0x48);
Geremia 4:12ba0ecc2c1f 167
Geremia 4:12ba0ecc2c1f 168 wr_cmd8(0x3A); // COLMOD_PIXEL_FORMAT_SET
Geremia 4:12ba0ecc2c1f 169 wr_data8(0x55); // 16 bit pixel
Geremia 4:12ba0ecc2c1f 170
Geremia 4:12ba0ecc2c1f 171 wr_cmd8(0x13); // Nomal Displaymode
Geremia 4:12ba0ecc2c1f 172
Geremia 2:713844a55c4e 173 wr_cmd8(0x11); // sleep out
smejky 34:cafa6f431835 174 wait_ms(25);
Geremia 2:713844a55c4e 175
Geremia 2:713844a55c4e 176 wr_cmd8(0x29); // display on
smejky 34:cafa6f431835 177 wait_ms(25);
Geremia 2:713844a55c4e 178
Geremia 2:713844a55c4e 179 }