Stepan Smejkal / UniGraphic

.

Inits/ILI9341.cpp@2:713844a55c4e, 2015-02-13 (annotated)

Committer:
Geremia
Date:
Fri Feb 13 23:17:55 2015 +0000
Revision:
2:713844a55c4e
Child:
4:12ba0ecc2c1f
Initial TFT implementation, needs to add read cmds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 2:713844a55c4e 1 #include "Protocols.h"
Geremia 2:713844a55c4e 2 #include "ILI9341.h"
Geremia 2:713844a55c4e 3
Geremia 2:713844a55c4e 4 //////////////////////////////////////////////////////////////////////////////////
Geremia 2:713844a55c4e 5 // display settings ///////////////////////////////////////////////////////
Geremia 2:713844a55c4e 6 /////////////////////////////////////////////////////////////////////////
Geremia 2:713844a55c4e 7
Geremia 2:713844a55c4e 8 #define LCDSIZE_X 240 // display X pixels, TFTs are usually portrait view
Geremia 2:713844a55c4e 9 #define LCDSIZE_Y 320 // display Y pixels
Geremia 2:713844a55c4e 10
Geremia 2:713844a55c4e 11
Geremia 2:713844a55c4e 12
Geremia 2:713844a55c4e 13 ILI9341::ILI9341(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name)
Geremia 2:713844a55c4e 14 : TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 2:713844a55c4e 15 {
Geremia 2:713844a55c4e 16 hw_reset();
Geremia 2:713844a55c4e 17 BusEnable(true);
Geremia 2:713844a55c4e 18 init();
Geremia 2:713844a55c4e 19 cls();
Geremia 2:713844a55c4e 20 set_orientation(0);
Geremia 2:713844a55c4e 21 locate(0,0);
Geremia 2:713844a55c4e 22 }
Geremia 2:713844a55c4e 23 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 24 : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
Geremia 2:713844a55c4e 25 {
Geremia 2:713844a55c4e 26 hw_reset(); //TFT class forwards to Protocol class
Geremia 2:713844a55c4e 27 BusEnable(true); //TFT class forwards to Protocol class
Geremia 2:713844a55c4e 28 init(); // per display custom init cmd sequence, implemented here
Geremia 2:713844a55c4e 29 cls();
Geremia 2:713844a55c4e 30 set_orientation(1); //TFT class does for MIPI standard and some ILIxxx
Geremia 2:713844a55c4e 31 locate(0,0);
Geremia 2:713844a55c4e 32 }
Geremia 2:713844a55c4e 33 // reset and init the lcd controller
Geremia 2:713844a55c4e 34 void ILI9341::init()
Geremia 2:713844a55c4e 35 {
Geremia 2:713844a55c4e 36 /* Start Initial Sequence ----------------------------------------------------*/
Geremia 2:713844a55c4e 37
Geremia 2:713844a55c4e 38 wr_cmd8(0xCB); // POWER_ON_SEQ_CONTROL
Geremia 2:713844a55c4e 39 wr_data8(0x39);
Geremia 2:713844a55c4e 40 wr_data8(0x2C);
Geremia 2:713844a55c4e 41 wr_data8(0x00);
Geremia 2:713844a55c4e 42 wr_data8(0x34);
Geremia 2:713844a55c4e 43 wr_data8(0x02);
Geremia 2:713844a55c4e 44
Geremia 2:713844a55c4e 45 wr_cmd8(0xCF); // POWER_CONTROL_B
Geremia 2:713844a55c4e 46 wr_data8(0x00);
Geremia 2:713844a55c4e 47 wr_data8(0xC1); // Applic Notes 81, was 83, C1 enables PCEQ: PC and EQ operation for power saving
Geremia 2:713844a55c4e 48 wr_data8(0x30);
Geremia 2:713844a55c4e 49
Geremia 2:713844a55c4e 50 wr_cmd8(0xE8); // DRIVER_TIMING_CONTROL_A
Geremia 2:713844a55c4e 51 wr_data8(0x85);
Geremia 2:713844a55c4e 52 wr_data8(0x00); // AN 10, was 01
Geremia 2:713844a55c4e 53 wr_data8(0x78); // AN 7A, was 79
Geremia 2:713844a55c4e 54
Geremia 2:713844a55c4e 55 wr_cmd8(0xEA); // DRIVER_TIMING_CONTROL_B
Geremia 2:713844a55c4e 56 wr_data8(0x00);
Geremia 2:713844a55c4e 57 wr_data8(0x00);
Geremia 2:713844a55c4e 58
Geremia 2:713844a55c4e 59 wr_cmd8(0xED);
Geremia 2:713844a55c4e 60 wr_data8(0x64);
Geremia 2:713844a55c4e 61 wr_data8(0x03);
Geremia 2:713844a55c4e 62 wr_data8(0x12);
Geremia 2:713844a55c4e 63 wr_data8(0x81);
Geremia 2:713844a55c4e 64
Geremia 2:713844a55c4e 65 wr_cmd8(0xF7); // PUMP_RATIO_CONTROL
Geremia 2:713844a55c4e 66 wr_data8(0x20);
Geremia 2:713844a55c4e 67
Geremia 2:713844a55c4e 68 wr_cmd8(0xC0); // POWER_CONTROL_1
Geremia 2:713844a55c4e 69 wr_data8(0x23); // AN 21, was 26
Geremia 2:713844a55c4e 70
Geremia 2:713844a55c4e 71 wr_cmd8(0xC1); // POWER_CONTROL_2
Geremia 2:713844a55c4e 72 wr_data8(0x10); // AN 11, was 11
Geremia 2:713844a55c4e 73
Geremia 2:713844a55c4e 74 wr_cmd8(0xC5); // VCOM_CONTROL_1
Geremia 2:713844a55c4e 75 wr_data8(0x3E); // AN 3F, was 35
Geremia 2:713844a55c4e 76 wr_data8(0x28); // AN 3C, was 3E
Geremia 2:713844a55c4e 77
Geremia 2:713844a55c4e 78 wr_cmd8(0xC7); // VCOM_CONTROL_2
Geremia 2:713844a55c4e 79 wr_data8(0x86); // AN A7, was BE
Geremia 2:713844a55c4e 80
Geremia 2:713844a55c4e 81 wr_cmd8(0x36); // MEMORY_ACCESS_CONTROL
Geremia 2:713844a55c4e 82 wr_data8(0x48);
Geremia 2:713844a55c4e 83
Geremia 2:713844a55c4e 84 wr_cmd8(0x3A); // COLMOD_PIXEL_FORMAT_SET, not present in AN
Geremia 2:713844a55c4e 85 wr_data8(0x55); // 16 bit pixel
Geremia 2:713844a55c4e 86
Geremia 2:713844a55c4e 87 wr_cmd8(0xB1); // Frame Rate
Geremia 2:713844a55c4e 88 wr_data8(0x00);
Geremia 2:713844a55c4e 89 wr_data8(0x18); // AN 1B, was 1B 1B=70hz
Geremia 2:713844a55c4e 90
Geremia 2:713844a55c4e 91 wr_cmd8(0xB6); // display function control, INTERESTING
Geremia 2:713844a55c4e 92 wr_data8(0x08); // AN 0A, was 0A
Geremia 2:713844a55c4e 93 wr_data8(0x82); // AN A2
Geremia 2:713844a55c4e 94 wr_data8(0x27); // AN not present
Geremia 2:713844a55c4e 95 // wr_data8(0x00); // was present
Geremia 2:713844a55c4e 96
Geremia 2:713844a55c4e 97 wr_cmd8(0xF2); // Gamma Function Disable
Geremia 2:713844a55c4e 98 wr_data8(0x00); // AN 00, was 08
Geremia 2:713844a55c4e 99
Geremia 2:713844a55c4e 100 wr_cmd8(0x26);
Geremia 2:713844a55c4e 101 wr_data8(0x01); // gamma set for curve 01/2/04/08
Geremia 2:713844a55c4e 102
Geremia 2:713844a55c4e 103 wr_cmd8(0xE0); // positive gamma correction
Geremia 2:713844a55c4e 104 wr_data8(0x0F);
Geremia 2:713844a55c4e 105 wr_data8(0x31);
Geremia 2:713844a55c4e 106 wr_data8(0x2B);
Geremia 2:713844a55c4e 107 wr_data8(0x0C);
Geremia 2:713844a55c4e 108 wr_data8(0x0E);
Geremia 2:713844a55c4e 109 wr_data8(0x08);
Geremia 2:713844a55c4e 110 wr_data8(0x4E);
Geremia 2:713844a55c4e 111 wr_data8(0xF1);
Geremia 2:713844a55c4e 112 wr_data8(0x37);
Geremia 2:713844a55c4e 113 wr_data8(0x07);
Geremia 2:713844a55c4e 114 wr_data8(0x10);
Geremia 2:713844a55c4e 115 wr_data8(0x03);
Geremia 2:713844a55c4e 116 wr_data8(0x0E);
Geremia 2:713844a55c4e 117 wr_data8(0x09);
Geremia 2:713844a55c4e 118 wr_data8(0x00);
Geremia 2:713844a55c4e 119
Geremia 2:713844a55c4e 120 wr_cmd8(0xE1); // negativ gamma correction
Geremia 2:713844a55c4e 121 wr_data8(0x00);
Geremia 2:713844a55c4e 122 wr_data8(0x0E);
Geremia 2:713844a55c4e 123 wr_data8(0x14);
Geremia 2:713844a55c4e 124 wr_data8(0x03);
Geremia 2:713844a55c4e 125 wr_data8(0x11);
Geremia 2:713844a55c4e 126 wr_data8(0x07);
Geremia 2:713844a55c4e 127 wr_data8(0x31);
Geremia 2:713844a55c4e 128 wr_data8(0xC1);
Geremia 2:713844a55c4e 129 wr_data8(0x48);
Geremia 2:713844a55c4e 130 wr_data8(0x08);
Geremia 2:713844a55c4e 131 wr_data8(0x0F);
Geremia 2:713844a55c4e 132 wr_data8(0x0C);
Geremia 2:713844a55c4e 133 wr_data8(0x31);
Geremia 2:713844a55c4e 134 wr_data8(0x36);
Geremia 2:713844a55c4e 135 wr_data8(0x0F);
Geremia 2:713844a55c4e 136
Geremia 2:713844a55c4e 137 //wr_cmd8(0x34); // tearing effect off
Geremia 2:713844a55c4e 138
Geremia 2:713844a55c4e 139 //wr_cmd8(0x35); // tearing effect on
Geremia 2:713844a55c4e 140
Geremia 2:713844a55c4e 141 // wr_cmd8(0xB7); // ENTRY_MODE_SET
Geremia 2:713844a55c4e 142 // wr_data8(0x07);
Geremia 2:713844a55c4e 143
Geremia 2:713844a55c4e 144 wr_cmd8(0x11); // sleep out
Geremia 2:713844a55c4e 145
Geremia 2:713844a55c4e 146 wait_ms(150);
Geremia 2:713844a55c4e 147
Geremia 2:713844a55c4e 148 wr_cmd8(0x29); // display on
Geremia 2:713844a55c4e 149
Geremia 2:713844a55c4e 150 wait_ms(150);
Geremia 2:713844a55c4e 151
Geremia 2:713844a55c4e 152 }