Satyan Raj / UniGraphic

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Inits/ILI9341.cpp@7:bb0383b91104, 2015-02-17 (annotated)

Committer:
Geremia
Date:
Tue Feb 17 11:02:06 2015 +0000
Revision:
7:bb0383b91104
Parent:
4:12ba0ecc2c1f
Child:
9:1749ae993cfe
TFT: added get deviceID, scroll functions

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