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| 1 | +#include "Adafruit_ILI9341.h" |
| 2 | +#include "Adafruit_GFX.h" |
| 3 | + |
| 4 | +extern "C"{ |
| 5 | +#include <ets_sys.h> |
| 6 | +#include <os_type.h> |
| 7 | +#include <osapi.h> |
| 8 | +#include "driver\hspi.h" |
| 9 | +} |
| 10 | + |
| 11 | +#define SWAPBYTES(i) ((i>>8) | (i<<8)) |
| 12 | + |
| 13 | +void Adafruit_ILI9341::transmitCmdData(uint8_t cmd, const uint8_t *data, uint8_t numDataByte) |
| 14 | +{ |
| 15 | + spi_wait_ready(); |
| 16 | + TFT_DC_COMMAND; |
| 17 | + spi_send_uint8(cmd); |
| 18 | + spi_wait_ready(); |
| 19 | + TFT_DC_DATA; |
| 20 | + spi_send_data(data, numDataByte); |
| 21 | +} |
| 22 | + |
| 23 | +void Adafruit_ILI9341::begin() { |
| 24 | + //Set communication using HW SPI Port |
| 25 | + config = spi_init(HSPI, 1, spi_mode_tx); |
| 26 | + TFT_DC_INIT; |
| 27 | + delay(1); |
| 28 | + |
| 29 | + uint8_t data[15] = {0}; |
| 30 | + |
| 31 | + data[0] = 0x39; |
| 32 | + data[1] = 0x2C; |
| 33 | + data[2] = 0x00; |
| 34 | + data[3] = 0x34; |
| 35 | + data[4] = 0x02; |
| 36 | + transmitCmdData(0xCB, data, 5); |
| 37 | + |
| 38 | + data[0] = 0x00; |
| 39 | + data[1] = 0XC1; |
| 40 | + data[2] = 0X30; |
| 41 | + transmitCmdData(0xCF, data, 3); |
| 42 | + |
| 43 | + data[0] = 0x85; |
| 44 | + data[1] = 0x00; |
| 45 | + data[2] = 0x78; |
| 46 | + transmitCmdData(0xE8, data, 3); |
| 47 | + |
| 48 | + data[0] = 0x00; |
| 49 | + data[1] = 0x00; |
| 50 | + transmitCmdData(0xEA, data, 2); |
| 51 | + |
| 52 | + data[0] = 0x64; |
| 53 | + data[1] = 0x03; |
| 54 | + data[2] = 0X12; |
| 55 | + data[3] = 0X81; |
| 56 | + transmitCmdData(0xED, data, 4); |
| 57 | + |
| 58 | + data[0] = 0x20; |
| 59 | + transmitCmdData(0xF7, data, 1); |
| 60 | + |
| 61 | + data[0] = 0x23; //VRH[5:0] |
| 62 | + transmitCmdData(0xC0, data, 1); //Power control |
| 63 | + |
| 64 | + data[0] = 0x10; //SAP[2:0];BT[3:0] |
| 65 | + transmitCmdData(0xC1, data, 1); //Power control |
| 66 | + |
| 67 | + data[0] = 0x3e; //Contrast |
| 68 | + data[1] = 0x28; |
| 69 | + transmitCmdData(0xC5, data, 2); //VCM control |
| 70 | + |
| 71 | + data[0] = 0x86; //-- |
| 72 | + transmitCmdData(0xC7, data, 1); //VCM control2 |
| 73 | + |
| 74 | + data[0] = 0x48; //C8 |
| 75 | + transmitCmdData(0x36, data, 1); // Memory Access Control |
| 76 | + |
| 77 | + data[0] = 0x55; |
| 78 | + transmitCmdData(0x3A, data, 1); |
| 79 | + |
| 80 | + data[0] = 0x00; |
| 81 | + data[1] = 0x18; |
| 82 | + transmitCmdData(0xB1, data, 2); |
| 83 | + |
| 84 | + data[0] = 0x08; |
| 85 | + data[1] = 0x82; |
| 86 | + data[2] = 0x27; |
| 87 | + transmitCmdData(0xB6, data, 3); // Display Function Control |
| 88 | + |
| 89 | + data[0] = 0x00; |
| 90 | + transmitCmdData(0xF2, data, 1); // 3Gamma Function Disable |
| 91 | + |
| 92 | + data[0] = 0x01; |
| 93 | + transmitCmdData(0x26, data, 1); //Gamma curve selected |
| 94 | + |
| 95 | + data[0] = 0x0F; |
| 96 | + data[1] = 0x31; |
| 97 | + data[2] = 0x2B; |
| 98 | + data[3] = 0x0C; |
| 99 | + data[4] = 0x0E; |
| 100 | + data[5] = 0x08; |
| 101 | + data[6] = 0x4E; |
| 102 | + data[7] = 0xF1; |
| 103 | + data[8] = 0x37; |
| 104 | + data[9] = 0x07; |
| 105 | + data[10] = 0x10; |
| 106 | + data[11] = 0x03; |
| 107 | + data[12] = 0x0E; |
| 108 | + data[13] = 0x09; |
| 109 | + data[14] = 0x00; |
| 110 | + transmitCmdData(0xE0, data, 15); //Set Gamma |
| 111 | + |
| 112 | + data[0] = 0x00; |
| 113 | + data[1] = 0x0E; |
| 114 | + data[2] = 0x14; |
| 115 | + data[3] = 0x03; |
| 116 | + data[4] = 0x11; |
| 117 | + data[5] = 0x07; |
| 118 | + data[6] = 0x31; |
| 119 | + data[7] = 0xC1; |
| 120 | + data[8] = 0x48; |
| 121 | + data[9] = 0x08; |
| 122 | + data[10] = 0x0F; |
| 123 | + data[11] = 0x0C; |
| 124 | + data[12] = 0x31; |
| 125 | + data[13] = 0x36; |
| 126 | + data[14] = 0x0F; |
| 127 | + transmitCmdData(0xE1, data, 15); //Set Gamma |
| 128 | + |
| 129 | + transmitCmd(0x11); //Exit Sleep |
| 130 | + delay(120); |
| 131 | + |
| 132 | + transmitCmd(0x29); //Display on |
| 133 | + transmitCmd(0x2c); |
| 134 | + spi_wait_ready(); |
| 135 | +} |
| 136 | + |
| 137 | +void Adafruit_ILI9341::drawPixel(int16_t x, int16_t y, uint16_t color) { |
| 138 | + |
| 139 | + if((x < 0) ||(x >= _width) || (y < 0) || (y >= _height)) return; |
| 140 | + setAddrWindow(x,y,x+1,y+1); |
| 141 | + transmitData(SWAPBYTES(color)); |
| 142 | +} |
| 143 | + |
| 144 | + |
| 145 | +void Adafruit_ILI9341::drawFastVLine(int16_t x, int16_t y, int16_t h, |
| 146 | + uint16_t color) { |
| 147 | + |
| 148 | + // Rudimentary clipping |
| 149 | + if((x >= _width) || (y >= _height)) return; |
| 150 | + |
| 151 | + if((y+h-1) >= _height) |
| 152 | + h = _height-y; |
| 153 | + |
| 154 | + setAddrWindow(x, y, x, y+h-1); |
| 155 | + transmitData(SWAPBYTES(color), h); |
| 156 | +} |
| 157 | + |
| 158 | +void Adafruit_ILI9341::drawFastHLine(int16_t x, int16_t y, int16_t w, |
| 159 | + uint16_t color) { |
| 160 | + |
| 161 | + // Rudimentary clipping |
| 162 | + if((x >= _width) || (y >= _height)) return; |
| 163 | + if((x+w-1) >= _width) w = _width-x; |
| 164 | + setAddrWindow(x, y, x+w-1, y); |
| 165 | + transmitData(SWAPBYTES(color), w); |
| 166 | +} |
| 167 | + |
| 168 | +void Adafruit_ILI9341::fillScreen(uint16_t color) { |
| 169 | + fillRect(0, 0, _width, _height, color); |
| 170 | +} |
| 171 | + |
| 172 | +// fill a rectangle |
| 173 | +void Adafruit_ILI9341::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, |
| 174 | + uint16_t color) { |
| 175 | + |
| 176 | + // rudimentary clipping (drawChar w/big text requires this) |
| 177 | + if((x >= _width) || (y >= _height)) return; |
| 178 | + if((x + w - 1) >= _width) w = _width - x; |
| 179 | + if((y + h - 1) >= _height) h = _height - y; |
| 180 | + |
| 181 | + setAddrWindow(x, y, x+w-1, y+h-1); |
| 182 | + transmitData(SWAPBYTES(color), h*w); |
| 183 | +} |
| 184 | + |
| 185 | + |
| 186 | +// Pass 8-bit (each) R,G,B, get back 16-bit packed color |
| 187 | +uint16_t Adafruit_ILI9341::color565(uint8_t r, uint8_t g, uint8_t b) { |
| 188 | + return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3); |
| 189 | +} |
| 190 | + |
| 191 | + |
| 192 | +#define MADCTL_MY 0x80 |
| 193 | +#define MADCTL_MX 0x40 |
| 194 | +#define MADCTL_MV 0x20 |
| 195 | +#define MADCTL_ML 0x10 |
| 196 | +#define MADCTL_RGB 0x00 |
| 197 | +#define MADCTL_BGR 0x08 |
| 198 | +#define MADCTL_MH 0x04 |
| 199 | + |
| 200 | +void Adafruit_ILI9341::setRotation(uint8_t m) { |
| 201 | + |
| 202 | + uint8_t data; |
| 203 | + rotation = m % 4; // can't be higher than 3 |
| 204 | + switch (rotation) { |
| 205 | + case 0: |
| 206 | + data = MADCTL_MX | MADCTL_BGR; |
| 207 | + _width = ILI9341_TFTWIDTH; |
| 208 | + _height = ILI9341_TFTHEIGHT; |
| 209 | + break; |
| 210 | + case 1: |
| 211 | + data = MADCTL_MV | MADCTL_BGR; |
| 212 | + _width = ILI9341_TFTHEIGHT; |
| 213 | + _height = ILI9341_TFTWIDTH; |
| 214 | + break; |
| 215 | + case 2: |
| 216 | + data = MADCTL_MY | MADCTL_BGR; |
| 217 | + _width = ILI9341_TFTWIDTH; |
| 218 | + _height = ILI9341_TFTHEIGHT; |
| 219 | + break; |
| 220 | + case 3: |
| 221 | + data = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR; |
| 222 | + _width = ILI9341_TFTHEIGHT; |
| 223 | + _height = ILI9341_TFTWIDTH; |
| 224 | + break; |
| 225 | + } |
| 226 | + transmitCmdData(ILI9341_MADCTL, &data, 1); |
| 227 | +} |
| 228 | + |
| 229 | + |
| 230 | +void Adafruit_ILI9341::invertDisplay(boolean i) { |
| 231 | + transmitCmd(i ? ILI9341_INVON : ILI9341_INVOFF); |
| 232 | +} |
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