Martin Moore / ILI9225

I simplified the library "ILI9225_TFT" provided by Arman Safikhani to better suit my needs in implementing a simple sliding puzzle game.

ILI9225.cpp@3:251e4d020501, 2018-04-27 (annotated)

Committer:
blac3777
Date:
Fri Apr 27 07:33:56 2018 +0000
Revision:
3:251e4d020501
I simplified the library "ILI9225_TFT" provided by Arman Safikhani to suit my needs in implementing a simple sliding puzzle game.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
blac3777 3:251e4d020501 1 #include "ILI9225.h"
blac3777 3:251e4d020501 2 #define bitRead(value, bit) (((value) >> (bit)) & 0x01)
blac3777 3:251e4d020501 3
blac3777 3:251e4d020501 4 int font_color, x_font, y_font;
blac3777 3:251e4d020501 5
blac3777 3:251e4d020501 6 //Global Variables
blac3777 3:251e4d020501 7 int x_text = 0, y_text = 0;
blac3777 3:251e4d020501 8 int x_base = 0;
blac3777 3:251e4d020501 9
blac3777 3:251e4d020501 10 //Constructor when using software SPI. All output pins are configurable.
blac3777 3:251e4d020501 11 ILI9225::ILI9225(PinName rst, PinName rs, PinName cs,
blac3777 3:251e4d020501 12 PinName sdi, PinName clk, PinName led) :
blac3777 3:251e4d020501 13 _rst(rst), _rs(rs), _cs(cs), _sdi(sdi), _clk(clk), spi(sdi, NC, clk),
blac3777 3:251e4d020501 14 _led(led), _rstInOut(_rst), _rsInOut(_rs), _csInOut(_cs), _ledInOut(_led),
blac3777 3:251e4d020501 15 hwSPI(true)
blac3777 3:251e4d020501 16 {}
blac3777 3:251e4d020501 17
blac3777 3:251e4d020501 18 void ILI9225::_orientCoordinates(uint16_t &x1, uint16_t &y1) {
blac3777 3:251e4d020501 19 switch (_orientation) {
blac3777 3:251e4d020501 20 case 0:
blac3777 3:251e4d020501 21 break;
blac3777 3:251e4d020501 22 case 1:
blac3777 3:251e4d020501 23 y1 = _maxY - y1 - 1;
blac3777 3:251e4d020501 24 _swap(x1, y1);
blac3777 3:251e4d020501 25 break;
blac3777 3:251e4d020501 26 case 2:
blac3777 3:251e4d020501 27 x1 = _maxX - x1 - 1;
blac3777 3:251e4d020501 28 y1 = _maxY - y1 - 1;
blac3777 3:251e4d020501 29 break;
blac3777 3:251e4d020501 30 case 3:
blac3777 3:251e4d020501 31 x1 = _maxX - x1 - 1;
blac3777 3:251e4d020501 32 _swap(x1, y1);
blac3777 3:251e4d020501 33 break;
blac3777 3:251e4d020501 34 }
blac3777 3:251e4d020501 35 }
blac3777 3:251e4d020501 36
blac3777 3:251e4d020501 37 void ILI9225::_setWindow(uint16_t x0, uint16_t y0, uint16_t x1,
blac3777 3:251e4d020501 38 uint16_t y1) {
blac3777 3:251e4d020501 39 _orientCoordinates(x0, y0);
blac3777 3:251e4d020501 40 _orientCoordinates(x1, y1);
blac3777 3:251e4d020501 41
blac3777 3:251e4d020501 42 if (x1 < x0)
blac3777 3:251e4d020501 43 _swap(x0, x1);
blac3777 3:251e4d020501 44 if (y1 < y0)
blac3777 3:251e4d020501 45 _swap(y0, y1);
blac3777 3:251e4d020501 46
blac3777 3:251e4d020501 47 _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR1, x1);
blac3777 3:251e4d020501 48 _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR2, x0);
blac3777 3:251e4d020501 49
blac3777 3:251e4d020501 50 _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR1, y1);
blac3777 3:251e4d020501 51 _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR2, y0);
blac3777 3:251e4d020501 52
blac3777 3:251e4d020501 53 _writeRegister(ILI9225_RAM_ADDR_SET1, x0);
blac3777 3:251e4d020501 54 _writeRegister(ILI9225_RAM_ADDR_SET2, y0);
blac3777 3:251e4d020501 55
blac3777 3:251e4d020501 56 _writeCommand(0x00, 0x22);
blac3777 3:251e4d020501 57 }
blac3777 3:251e4d020501 58
blac3777 3:251e4d020501 59 void ILI9225::begin() {
blac3777 3:251e4d020501 60 //Set up pins
blac3777 3:251e4d020501 61 _rsInOut.output();
blac3777 3:251e4d020501 62 _csInOut.output();
blac3777 3:251e4d020501 63 _rstInOut.output();
blac3777 3:251e4d020501 64
blac3777 3:251e4d020501 65 if (_led)
blac3777 3:251e4d020501 66 _ledInOut.output();
blac3777 3:251e4d020501 67 if (hwSPI) { //Using hardware SPI
blac3777 3:251e4d020501 68 spi.frequency(16000000);
blac3777 3:251e4d020501 69 spi.format(8, 0);
blac3777 3:251e4d020501 70 }
blac3777 3:251e4d020501 71 else {
blac3777 3:251e4d020501 72 DigitalInOut _clkInOut(_clk);
blac3777 3:251e4d020501 73 _clkInOut.output();
blac3777 3:251e4d020501 74 DigitalInOut _sdiInOut(_sdi);
blac3777 3:251e4d020501 75 _sdiInOut.output();
blac3777 3:251e4d020501 76 }
blac3777 3:251e4d020501 77
blac3777 3:251e4d020501 78 //Turn on backlight
blac3777 3:251e4d020501 79 if (_led)
blac3777 3:251e4d020501 80 _ledInOut = 1;
blac3777 3:251e4d020501 81
blac3777 3:251e4d020501 82 //Initialization Code
blac3777 3:251e4d020501 83 _rstInOut = 1; //Put reset pin high to release ILI9225C from reset status
blac3777 3:251e4d020501 84 wait_ms(1);
blac3777 3:251e4d020501 85 _rstInOut = 0; //Put reset pin low to reset ILI9225
blac3777 3:251e4d020501 86 wait_ms(10);
blac3777 3:251e4d020501 87 _rstInOut = 1; //Put reset pin high to release ILI9225C from reset status
blac3777 3:251e4d020501 88 wait_ms(50);
blac3777 3:251e4d020501 89
blac3777 3:251e4d020501 90 //Start Initial Sequence
blac3777 3:251e4d020501 91 //Set SS bit and direction output from S528 to S1
blac3777 3:251e4d020501 92 _writeRegister(ILI9225_POWER_CTRL1, 0x0000); //Set SAP,DSTB,STB
blac3777 3:251e4d020501 93 _writeRegister(ILI9225_POWER_CTRL2, 0x0000); //Set APON,PON,AON,VCI1EN,VC
blac3777 3:251e4d020501 94 _writeRegister(ILI9225_POWER_CTRL3, 0x0000); //Set BT,DC1,DC2,DC3
blac3777 3:251e4d020501 95 _writeRegister(ILI9225_POWER_CTRL4, 0x0000); //Set GVDD
blac3777 3:251e4d020501 96 _writeRegister(ILI9225_POWER_CTRL5, 0x0000); //Set VCOMH/VCOML voltage
blac3777 3:251e4d020501 97 wait_ms(40);
blac3777 3:251e4d020501 98
blac3777 3:251e4d020501 99 //Power-on sequence
blac3777 3:251e4d020501 100 _writeRegister(ILI9225_POWER_CTRL2, 0x0018); //Set APON,PON,AON,VCI1EN,VC
blac3777 3:251e4d020501 101 _writeRegister(ILI9225_POWER_CTRL3, 0x6121); //Set BT,DC1,DC2,DC3
blac3777 3:251e4d020501 102 _writeRegister(ILI9225_POWER_CTRL4, 0x006F); //Set GVDD /*007F 0088 */
blac3777 3:251e4d020501 103 _writeRegister(ILI9225_POWER_CTRL5, 0x495F); //Set VCOMH/VCOML voltage
blac3777 3:251e4d020501 104 _writeRegister(ILI9225_POWER_CTRL1, 0x0800); //Set SAP,DSTB,STB
blac3777 3:251e4d020501 105 wait_ms(10);
blac3777 3:251e4d020501 106 _writeRegister(ILI9225_POWER_CTRL2, 0x103B); //Set APON,PON,AON,VCI1EN,VC
blac3777 3:251e4d020501 107 wait_ms(50);
blac3777 3:251e4d020501 108
blac3777 3:251e4d020501 109 //Set disp line # & disp dir
blac3777 3:251e4d020501 110 _writeRegister(ILI9225_DRIVER_OUTPUT_CTRL, 0x011C);
blac3777 3:251e4d020501 111 _writeRegister(ILI9225_LCD_AC_DRIVING_CTRL, 0x0100); //Set 1 line inversion
blac3777 3:251e4d020501 112 _writeRegister(ILI9225_ENTRY_MODE, 0x1030); //Set GRAM write dir & BGR=1.
blac3777 3:251e4d020501 113 _writeRegister(ILI9225_DISP_CTRL1, 0x0000); //Display off
blac3777 3:251e4d020501 114 _writeRegister(ILI9225_BLANK_PERIOD_CTRL1, 0x0808); //Set back & front porch
blac3777 3:251e4d020501 115 _writeRegister(ILI9225_FRAME_CYCLE_CTRL, 0x1100); //Set clocks # per line
blac3777 3:251e4d020501 116 _writeRegister(ILI9225_INTERFACE_CTRL, 0x0000); //CPU interface
blac3777 3:251e4d020501 117 _writeRegister(ILI9225_OSC_CTRL, 0x0D01); //Set Osc /*0e01*/
blac3777 3:251e4d020501 118 _writeRegister(ILI9225_VCI_RECYCLING, 0x0020); //Set VCI recycling
blac3777 3:251e4d020501 119 _writeRegister(ILI9225_RAM_ADDR_SET1, 0x0000); //RAM Address
blac3777 3:251e4d020501 120 _writeRegister(ILI9225_RAM_ADDR_SET2, 0x0000); //RAM Address
blac3777 3:251e4d020501 121
blac3777 3:251e4d020501 122 //Set GRAM area
blac3777 3:251e4d020501 123 _writeRegister(ILI9225_GATE_SCAN_CTRL, 0x0000);
blac3777 3:251e4d020501 124 _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL1, 0x00DB);
blac3777 3:251e4d020501 125 _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL2, 0x0000);
blac3777 3:251e4d020501 126 _writeRegister(ILI9225_VERTICAL_SCROLL_CTRL3, 0x0000);
blac3777 3:251e4d020501 127 _writeRegister(ILI9225_PARTIAL_DRIVING_POS1, 0x00DB);
blac3777 3:251e4d020501 128 _writeRegister(ILI9225_PARTIAL_DRIVING_POS2, 0x0000);
blac3777 3:251e4d020501 129 _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR1, 0x00AF);
blac3777 3:251e4d020501 130 _writeRegister(ILI9225_HORIZONTAL_WINDOW_ADDR2, 0x0000);
blac3777 3:251e4d020501 131 _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR1, 0x00DB);
blac3777 3:251e4d020501 132 _writeRegister(ILI9225_VERTICAL_WINDOW_ADDR2, 0x0000);
blac3777 3:251e4d020501 133
blac3777 3:251e4d020501 134 //Set GAMMA curve
blac3777 3:251e4d020501 135 _writeRegister(ILI9225_GAMMA_CTRL1, 0x0000);
blac3777 3:251e4d020501 136 _writeRegister(ILI9225_GAMMA_CTRL2, 0x0808);
blac3777 3:251e4d020501 137 _writeRegister(ILI9225_GAMMA_CTRL3, 0x080A);
blac3777 3:251e4d020501 138 _writeRegister(ILI9225_GAMMA_CTRL4, 0x000A);
blac3777 3:251e4d020501 139 _writeRegister(ILI9225_GAMMA_CTRL5, 0x0A08);
blac3777 3:251e4d020501 140 _writeRegister(ILI9225_GAMMA_CTRL6, 0x0808);
blac3777 3:251e4d020501 141 _writeRegister(ILI9225_GAMMA_CTRL7, 0x0000);
blac3777 3:251e4d020501 142 _writeRegister(ILI9225_GAMMA_CTRL8, 0x0A00);
blac3777 3:251e4d020501 143 _writeRegister(ILI9225_GAMMA_CTRL9, 0x0710);
blac3777 3:251e4d020501 144 _writeRegister(ILI9225_GAMMA_CTRL10, 0x0710);
blac3777 3:251e4d020501 145
blac3777 3:251e4d020501 146 _writeRegister(ILI9225_DISP_CTRL1, 0x0012);
blac3777 3:251e4d020501 147 wait_ms(50);
blac3777 3:251e4d020501 148 _writeRegister(ILI9225_DISP_CTRL1, 0x1017);
blac3777 3:251e4d020501 149
blac3777 3:251e4d020501 150 setBacklight(true);
blac3777 3:251e4d020501 151 setOrientation(0);
blac3777 3:251e4d020501 152
blac3777 3:251e4d020501 153 //Initialize variables
blac3777 3:251e4d020501 154 setBackgroundColor(COLOR_BLACK);
blac3777 3:251e4d020501 155
blac3777 3:251e4d020501 156 clear();
blac3777 3:251e4d020501 157 }
blac3777 3:251e4d020501 158
blac3777 3:251e4d020501 159 void ILI9225::clear() {
blac3777 3:251e4d020501 160 uint8_t old = _orientation;
blac3777 3:251e4d020501 161 setOrientation(0);
blac3777 3:251e4d020501 162 fillRectangle(0, 0, _maxX - 1, _maxY - 1, COLOR_BLACK);
blac3777 3:251e4d020501 163 setOrientation(old);
blac3777 3:251e4d020501 164 wait_ms(10);
blac3777 3:251e4d020501 165 }
blac3777 3:251e4d020501 166
blac3777 3:251e4d020501 167 void ILI9225::fill(uint16_t color) {
blac3777 3:251e4d020501 168 fillRectangle(0, 0, _maxX - 1, _maxY - 1, color);
blac3777 3:251e4d020501 169 }
blac3777 3:251e4d020501 170
blac3777 3:251e4d020501 171 void ILI9225::invert(bool flag) {
blac3777 3:251e4d020501 172 _writeCommand(0x00, flag ? ILI9225C_INVON : ILI9225C_INVOFF);
blac3777 3:251e4d020501 173 }
blac3777 3:251e4d020501 174
blac3777 3:251e4d020501 175 void ILI9225::setBacklight(bool flag) {
blac3777 3:251e4d020501 176 if (_led) _ledInOut = flag ? 1 : 0;
blac3777 3:251e4d020501 177 }
blac3777 3:251e4d020501 178
blac3777 3:251e4d020501 179 void ILI9225::setDisplay(bool flag) {
blac3777 3:251e4d020501 180 if (flag) {
blac3777 3:251e4d020501 181 _writeRegister(0x00ff, 0x0000);
blac3777 3:251e4d020501 182 _writeRegister(ILI9225_POWER_CTRL1, 0x0000);
blac3777 3:251e4d020501 183 wait_ms(50);
blac3777 3:251e4d020501 184 _writeRegister(ILI9225_DISP_CTRL1, 0x1017);
blac3777 3:251e4d020501 185 wait_ms(200);
blac3777 3:251e4d020501 186 }
blac3777 3:251e4d020501 187 else {
blac3777 3:251e4d020501 188 _writeRegister(0x00ff, 0x0000);
blac3777 3:251e4d020501 189 _writeRegister(ILI9225_DISP_CTRL1, 0x0000);
blac3777 3:251e4d020501 190 wait_ms(50);
blac3777 3:251e4d020501 191 _writeRegister(ILI9225_POWER_CTRL1, 0x0003);
blac3777 3:251e4d020501 192 wait_ms(200);
blac3777 3:251e4d020501 193 }
blac3777 3:251e4d020501 194 }
blac3777 3:251e4d020501 195
blac3777 3:251e4d020501 196 void ILI9225::setOrientation(uint8_t orientation) {
blac3777 3:251e4d020501 197 _orientation = orientation % 4;
blac3777 3:251e4d020501 198
blac3777 3:251e4d020501 199 switch (_orientation) {
blac3777 3:251e4d020501 200 case 0:
blac3777 3:251e4d020501 201 _maxX = ILI9225_LCD_WIDTH;
blac3777 3:251e4d020501 202 _maxY = ILI9225_LCD_HEIGHT;
blac3777 3:251e4d020501 203 break;
blac3777 3:251e4d020501 204 case 1:
blac3777 3:251e4d020501 205 _maxX = ILI9225_LCD_HEIGHT;
blac3777 3:251e4d020501 206 _maxY = ILI9225_LCD_WIDTH;
blac3777 3:251e4d020501 207 break;
blac3777 3:251e4d020501 208 case 2:
blac3777 3:251e4d020501 209 _maxX = ILI9225_LCD_WIDTH;
blac3777 3:251e4d020501 210 _maxY = ILI9225_LCD_HEIGHT;
blac3777 3:251e4d020501 211 break;
blac3777 3:251e4d020501 212 case 3:
blac3777 3:251e4d020501 213 _maxX = ILI9225_LCD_HEIGHT;
blac3777 3:251e4d020501 214 _maxY = ILI9225_LCD_WIDTH;
blac3777 3:251e4d020501 215 break;
blac3777 3:251e4d020501 216 }
blac3777 3:251e4d020501 217 }
blac3777 3:251e4d020501 218
blac3777 3:251e4d020501 219 void ILI9225::drawRectangle(uint16_t x1, uint16_t y1, uint16_t x2,
blac3777 3:251e4d020501 220 uint16_t y2, uint16_t color) {
blac3777 3:251e4d020501 221 drawLine(x1, y1, x1, y2, color);
blac3777 3:251e4d020501 222 drawLine(x1, y1, x2, y1, color);
blac3777 3:251e4d020501 223 drawLine(x1, y2, x2, y2, color);
blac3777 3:251e4d020501 224 drawLine(x2, y1, x2, y2, color);
blac3777 3:251e4d020501 225 }
blac3777 3:251e4d020501 226
blac3777 3:251e4d020501 227 void ILI9225::fillRectangle(uint16_t x1, uint16_t y1, uint16_t x2,
blac3777 3:251e4d020501 228 uint16_t y2, uint16_t color) {
blac3777 3:251e4d020501 229 _setWindow(x1, y1, x2, y2);
blac3777 3:251e4d020501 230
blac3777 3:251e4d020501 231 for (uint16_t t = (y2 - y1 + 1) * (x2 - x1 + 1); t > 0; t--)
blac3777 3:251e4d020501 232 _writeData(color >> 8, color);
blac3777 3:251e4d020501 233 }
blac3777 3:251e4d020501 234
blac3777 3:251e4d020501 235 void ILI9225::drawLine(uint16_t x1, uint16_t y1, uint16_t x2,
blac3777 3:251e4d020501 236 uint16_t y2, uint16_t color) {
blac3777 3:251e4d020501 237 //Bresenham algorithm
blac3777 3:251e4d020501 238 int16_t steep = abs(y2 - y1) > abs(x2 - x1);
blac3777 3:251e4d020501 239 int16_t dx, dy;
blac3777 3:251e4d020501 240
blac3777 3:251e4d020501 241 if (steep) {
blac3777 3:251e4d020501 242 _swap(x1, y1);
blac3777 3:251e4d020501 243 _swap(x2, y2);
blac3777 3:251e4d020501 244 }
blac3777 3:251e4d020501 245
blac3777 3:251e4d020501 246 if (x1 > x2) {
blac3777 3:251e4d020501 247 _swap(x1, x2);
blac3777 3:251e4d020501 248 _swap(y1, y2);
blac3777 3:251e4d020501 249 }
blac3777 3:251e4d020501 250
blac3777 3:251e4d020501 251 dx = x2 - x1;
blac3777 3:251e4d020501 252 dy = abs(y2 - y1);
blac3777 3:251e4d020501 253
blac3777 3:251e4d020501 254 int16_t err = dx / 2;
blac3777 3:251e4d020501 255 int16_t ystep;
blac3777 3:251e4d020501 256
blac3777 3:251e4d020501 257 if (y1 < y2)
blac3777 3:251e4d020501 258 ystep = 1;
blac3777 3:251e4d020501 259 else
blac3777 3:251e4d020501 260 ystep = -1;
blac3777 3:251e4d020501 261
blac3777 3:251e4d020501 262 for (; x1 <= x2; x1++) {
blac3777 3:251e4d020501 263 if(steep)
blac3777 3:251e4d020501 264 drawPixel(y1, x1, color);
blac3777 3:251e4d020501 265 else
blac3777 3:251e4d020501 266 drawPixel(x1, y1, color);
blac3777 3:251e4d020501 267
blac3777 3:251e4d020501 268 err -= dy;
blac3777 3:251e4d020501 269 if (err < 0) {
blac3777 3:251e4d020501 270 y1 += ystep;
blac3777 3:251e4d020501 271 err += dx;
blac3777 3:251e4d020501 272 }
blac3777 3:251e4d020501 273 }
blac3777 3:251e4d020501 274 }
blac3777 3:251e4d020501 275
blac3777 3:251e4d020501 276 void ILI9225::drawPixel(uint16_t x1, uint16_t y1, uint16_t color) {
blac3777 3:251e4d020501 277 if ((x1 >= _maxX) || (y1 >= _maxY))
blac3777 3:251e4d020501 278 return;
blac3777 3:251e4d020501 279
blac3777 3:251e4d020501 280 _setWindow(x1, y1, x1 + 1, y1 + 1);
blac3777 3:251e4d020501 281 _orientCoordinates(x1, y1);
blac3777 3:251e4d020501 282 _writeData(color >> 8, color);
blac3777 3:251e4d020501 283 }
blac3777 3:251e4d020501 284
blac3777 3:251e4d020501 285 uint16_t ILI9225::maxX() {
blac3777 3:251e4d020501 286 return _maxX;
blac3777 3:251e4d020501 287 }
blac3777 3:251e4d020501 288
blac3777 3:251e4d020501 289 uint16_t ILI9225::maxY() {
blac3777 3:251e4d020501 290 return _maxY;
blac3777 3:251e4d020501 291 }
blac3777 3:251e4d020501 292
blac3777 3:251e4d020501 293 uint16_t ILI9225::setColor(uint8_t red8, uint8_t green8, uint8_t blue8) {
blac3777 3:251e4d020501 294 //RGB16 = red5 green6 blue5
blac3777 3:251e4d020501 295 return (red8 >> 3) << 11 | (green8 >> 2) << 5 | (blue8 >> 3);
blac3777 3:251e4d020501 296 }
blac3777 3:251e4d020501 297
blac3777 3:251e4d020501 298 void ILI9225::splitColor(uint16_t rgb, uint8_t &red, uint8_t &green,
blac3777 3:251e4d020501 299 uint8_t &blue) {
blac3777 3:251e4d020501 300 //RGB16 = red5 green6 blue5
blac3777 3:251e4d020501 301 red = (rgb & 0xF800) >> 11 << 3;
blac3777 3:251e4d020501 302 green = (rgb & 0x7E0) >> 5 << 2;
blac3777 3:251e4d020501 303 blue = (rgb & 0x1F) << 3;
blac3777 3:251e4d020501 304 }
blac3777 3:251e4d020501 305
blac3777 3:251e4d020501 306 void ILI9225::_swap(uint16_t &a, uint16_t &b) {
blac3777 3:251e4d020501 307 uint16_t w = a;
blac3777 3:251e4d020501 308 a = b;
blac3777 3:251e4d020501 309 b = w;
blac3777 3:251e4d020501 310 }
blac3777 3:251e4d020501 311
blac3777 3:251e4d020501 312 //Utilities
blac3777 3:251e4d020501 313 void ILI9225::_writeCommand(uint8_t HI, uint8_t LO) {
blac3777 3:251e4d020501 314 _rsInOut = 0;
blac3777 3:251e4d020501 315 _csInOut = 0;
blac3777 3:251e4d020501 316 spi.write(HI);
blac3777 3:251e4d020501 317 spi.write(LO);
blac3777 3:251e4d020501 318 _csInOut = 1;
blac3777 3:251e4d020501 319 }
blac3777 3:251e4d020501 320
blac3777 3:251e4d020501 321 void ILI9225::_writeData(uint8_t HI, uint8_t LO) {
blac3777 3:251e4d020501 322 _rsInOut = 1;
blac3777 3:251e4d020501 323 _csInOut = 0;
blac3777 3:251e4d020501 324 spi.write(HI);
blac3777 3:251e4d020501 325 spi.write(LO);
blac3777 3:251e4d020501 326 _csInOut = 1;
blac3777 3:251e4d020501 327 }
blac3777 3:251e4d020501 328
blac3777 3:251e4d020501 329 void ILI9225::_writeRegister(uint16_t reg, uint16_t data) {
blac3777 3:251e4d020501 330 _writeCommand(reg >> 8, reg & 255);
blac3777 3:251e4d020501 331 _writeData(data >> 8, data & 255);
blac3777 3:251e4d020501 332 }
blac3777 3:251e4d020501 333
blac3777 3:251e4d020501 334 void ILI9225::setBackgroundColor(uint16_t color) {
blac3777 3:251e4d020501 335 _bgColor = color;
blac3777 3:251e4d020501 336 }
blac3777 3:251e4d020501 337
blac3777 3:251e4d020501 338 void ILI9225::setFont(const uint8_t* font) {
blac3777 3:251e4d020501 339 cfont.font = font;
blac3777 3:251e4d020501 340 cfont.width = font[0];
blac3777 3:251e4d020501 341 cfont.height = font[1];
blac3777 3:251e4d020501 342 cfont.offset = font[2];
blac3777 3:251e4d020501 343 cfont.numchars = font[3];
blac3777 3:251e4d020501 344 cfont.nbrows = cfont.height / 8;
blac3777 3:251e4d020501 345
blac3777 3:251e4d020501 346 if (cfont.height % 8)
blac3777 3:251e4d020501 347 cfont.nbrows++; //Set # of bytes used by font height in multiples of 8.
blac3777 3:251e4d020501 348 }
blac3777 3:251e4d020501 349
blac3777 3:251e4d020501 350 void ILI9225::drawText(uint16_t x, uint16_t y, char *s, uint16_t color) {
blac3777 3:251e4d020501 351 uint16_t currx = x;
blac3777 3:251e4d020501 352
blac3777 3:251e4d020501 353 //Print every character in string
blac3777 3:251e4d020501 354 for (uint8_t k = 0; k < strlen(s); k++)
blac3777 3:251e4d020501 355 currx += drawChar(currx, y, s[k], color) + 1;
blac3777 3:251e4d020501 356 }
blac3777 3:251e4d020501 357
blac3777 3:251e4d020501 358 uint16_t ILI9225::drawChar(uint16_t x, uint16_t y, uint16_t ch,
blac3777 3:251e4d020501 359 uint16_t color) {
blac3777 3:251e4d020501 360 uint8_t charData, charWidth;
blac3777 3:251e4d020501 361 uint8_t h, i, j;
blac3777 3:251e4d020501 362 uint16_t charOffset;
blac3777 3:251e4d020501 363
blac3777 3:251e4d020501 364 //Bytes used by each character
blac3777 3:251e4d020501 365 charOffset = (cfont.width * cfont.nbrows) + 1;
blac3777 3:251e4d020501 366 //Char offset (add 4 for font header)
blac3777 3:251e4d020501 367 charOffset = (charOffset * (ch - cfont.offset)) + FONT_HEADER_SIZE;
blac3777 3:251e4d020501 368 //Get font width from 1st byte
blac3777 3:251e4d020501 369 charWidth = cfont.font[charOffset];
blac3777 3:251e4d020501 370 //Increment pointer to first character data byte
blac3777 3:251e4d020501 371 charOffset++;
blac3777 3:251e4d020501 372
blac3777 3:251e4d020501 373 //Loop through each font "column" (+1 blank column for spacing)
blac3777 3:251e4d020501 374 for (i = 0; i <= charWidth; i++) {
blac3777 3:251e4d020501 375 h = 0; //Keep track of char height
blac3777 3:251e4d020501 376 for (j = 0; j < cfont.nbrows; j++) { //Each column byte
blac3777 3:251e4d020501 377 if (i == charWidth)
blac3777 3:251e4d020501 378 charData = (uint8_t)0x0; //Insert blank column
blac3777 3:251e4d020501 379 else
blac3777 3:251e4d020501 380 charData = cfont.font[charOffset];
blac3777 3:251e4d020501 381 charOffset++;
blac3777 3:251e4d020501 382
blac3777 3:251e4d020501 383 //Process every row in font character
blac3777 3:251e4d020501 384 for (uint8_t k = 0; k < 8; k++) {
blac3777 3:251e4d020501 385 if (h >= cfont.height)
blac3777 3:251e4d020501 386 break; //No need to process excess bits
blac3777 3:251e4d020501 387 if (bitRead(charData, k))
blac3777 3:251e4d020501 388 drawPixel(x + i, y + (j * 8) + k, color);
blac3777 3:251e4d020501 389 else
blac3777 3:251e4d020501 390 drawPixel(x + i, y + (j * 8) + k, _bgColor);
blac3777 3:251e4d020501 391 h++;
blac3777 3:251e4d020501 392 }
blac3777 3:251e4d020501 393 }
blac3777 3:251e4d020501 394 }
blac3777 3:251e4d020501 395 return charWidth;
blac3777 3:251e4d020501 396 }
blac3777 3:251e4d020501 397
blac3777 3:251e4d020501 398 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 399 //************************************* ECA 2.8 inch LCD Module ****************
blac3777 3:251e4d020501 400 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 401 //Description : Draws a beveled figure on the screen.
blac3777 3:251e4d020501 402 //Input : x0, y0 - coordinate position of the upper left center
blac3777 3:251e4d020501 403 // : x1, y1 - coordinate position of the lower right center
blac3777 3:251e4d020501 404 // : rad - defines the redius of the circle,
blac3777 3:251e4d020501 405 // : fill - fill yes or no
blac3777 3:251e4d020501 406 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 407 void ILI9225::roundRectangle(int x0, int y0, int x1, int y1, int rad,
blac3777 3:251e4d020501 408 bool fill, int color) {
blac3777 3:251e4d020501 409 signed int a, b, P;
blac3777 3:251e4d020501 410
blac3777 3:251e4d020501 411 a = 0; //Increment by 1
blac3777 3:251e4d020501 412 b = rad; //Decrement by 1 using P
blac3777 3:251e4d020501 413 P = 1 - rad;
blac3777 3:251e4d020501 414 if (fill) {
blac3777 3:251e4d020501 415 fillRectangle(x0, y0 + rad, x1, y1 - rad, color);
blac3777 3:251e4d020501 416
blac3777 3:251e4d020501 417 do {
blac3777 3:251e4d020501 418 fillRectangle(x0 - a + rad, y0 - b + rad, a + x1 - rad,
blac3777 3:251e4d020501 419 y0 - b + rad, color); //8 --> 1
blac3777 3:251e4d020501 420 fillRectangle(x0 - b + rad, y0 - a + rad, b + x1 - rad,
blac3777 3:251e4d020501 421 y0 - a + rad, color); //7 --> 2
blac3777 3:251e4d020501 422 fillRectangle(x0 - b + rad, a + y1 - rad, b + x1 - rad,
blac3777 3:251e4d020501 423 a + y1 - rad, color); //6 --> 3
blac3777 3:251e4d020501 424 fillRectangle(x0 - a + rad, b + y1 - rad, a + x1 - rad,
blac3777 3:251e4d020501 425 b + y1 - rad, color); //5 --> 4
blac3777 3:251e4d020501 426
blac3777 3:251e4d020501 427 if (P < 0)
blac3777 3:251e4d020501 428 P += 3 + 2 * a++;
blac3777 3:251e4d020501 429 else
blac3777 3:251e4d020501 430 P += 5 + 2 * (a++ - b--);
blac3777 3:251e4d020501 431
blac3777 3:251e4d020501 432 } while (a <= b);
blac3777 3:251e4d020501 433 } //Fill
blac3777 3:251e4d020501 434 else {
blac3777 3:251e4d020501 435 fillRectangle(x0 + rad, y0, x1 - rad, y0, color); //Top
blac3777 3:251e4d020501 436 fillRectangle(x0 + rad, y1, x1 - rad, y1, color); //Bottom
blac3777 3:251e4d020501 437 fillRectangle(x0, y0 + rad, x0, y1 - rad, color); //Left
blac3777 3:251e4d020501 438 fillRectangle(x1, y0 + rad, x1, y1 - rad, color); //Right
blac3777 3:251e4d020501 439
blac3777 3:251e4d020501 440 do {
blac3777 3:251e4d020501 441 drawPixel(a + x1 - rad, y0 - b + rad, color); // `````` Segment 1
blac3777 3:251e4d020501 442 drawPixel(b + x1 - rad, y0 - a + rad, color); // `````` Segment 2
blac3777 3:251e4d020501 443
blac3777 3:251e4d020501 444 drawPixel(b + x1 - rad, a + y1 - rad, color); // `````` Segment 3
blac3777 3:251e4d020501 445 drawPixel(a + x1 - rad, b + y1 - rad, color); // `````` Segment 4
blac3777 3:251e4d020501 446
blac3777 3:251e4d020501 447 drawPixel(x0 - a + rad, b + y1 - rad, color); // `````` Segment 5
blac3777 3:251e4d020501 448 drawPixel(x0 - b + rad, a + y1 - rad, color); // `````` Segment 6
blac3777 3:251e4d020501 449
blac3777 3:251e4d020501 450 drawPixel(x0 - b + rad, y0 - a + rad, color); // `````` Segment 7
blac3777 3:251e4d020501 451 drawPixel(x0 - a + rad, y0 - b + rad, color); // `````` Segment 8
blac3777 3:251e4d020501 452
blac3777 3:251e4d020501 453 if (P < 0)
blac3777 3:251e4d020501 454 P += 3 + 2 * a++;
blac3777 3:251e4d020501 455 else
blac3777 3:251e4d020501 456 P += 5 + 2 * (a++ - b--);
blac3777 3:251e4d020501 457 } while (a <= b);
blac3777 3:251e4d020501 458 } //No fill
blac3777 3:251e4d020501 459 } //RoundRectangle
blac3777 3:251e4d020501 460
blac3777 3:251e4d020501 461 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 462 //************************************* ECA 2.8 inch LCD Module ****************
blac3777 3:251e4d020501 463 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 464 //Go to a specific pont for farsi font (x:0..TS_SIZE_X , y:0..TS_SIZE_Y)
blac3777 3:251e4d020501 465 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 466 void ILI9225::goToXY(int x, int y) {
blac3777 3:251e4d020501 467 if ((x >= _maxX) || (x < 0)) {
blac3777 3:251e4d020501 468 x_font = 0;
blac3777 3:251e4d020501 469 x_base = 0;
blac3777 3:251e4d020501 470 }
blac3777 3:251e4d020501 471 else {
blac3777 3:251e4d020501 472 x_font = x;
blac3777 3:251e4d020501 473 x_base = x;
blac3777 3:251e4d020501 474 }
blac3777 3:251e4d020501 475 if ((y >= _maxY) || (y < 0))
blac3777 3:251e4d020501 476 y_font = 0;
blac3777 3:251e4d020501 477 else
blac3777 3:251e4d020501 478 y_font = y;
blac3777 3:251e4d020501 479 }
blac3777 3:251e4d020501 480
blac3777 3:251e4d020501 481 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 482 //************************************* ECA 2.8 inch LCD Module ****************
blac3777 3:251e4d020501 483 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 484 //Make an ascii string from an unicode string
blac3777 3:251e4d020501 485 //------------------------------------------------------------------------------
blac3777 3:251e4d020501 486
blac3777 3:251e4d020501 487 void ILI9225::unicode2ascii(char *uni_str, char *ascii_str) {
blac3777 3:251e4d020501 488 int counter = 0;
blac3777 3:251e4d020501 489 int Uch = 0;
blac3777 3:251e4d020501 490 char chl, chh;
blac3777 3:251e4d020501 491
blac3777 3:251e4d020501 492 while (*uni_str) {
blac3777 3:251e4d020501 493 chl = *uni_str++;
blac3777 3:251e4d020501 494 chh = *uni_str++;
blac3777 3:251e4d020501 495
blac3777 3:251e4d020501 496 Uch = 0;
blac3777 3:251e4d020501 497 Uch = ((Uch | chh) << 8) | chl;
blac3777 3:251e4d020501 498
blac3777 3:251e4d020501 499 if (Uch > 1574 && Uch < 1591)
blac3777 3:251e4d020501 500 *(ascii_str + counter) = (char)(Uch - 1376);
blac3777 3:251e4d020501 501 else if (Uch > 1590 && Uch < 1595)
blac3777 3:251e4d020501 502 *(ascii_str + counter) = (char)(Uch - 1375);
blac3777 3:251e4d020501 503 else if (Uch > 1600 && Uch < 1603)
blac3777 3:251e4d020501 504 *(ascii_str + counter) = (char)(Uch - 1380);
blac3777 3:251e4d020501 505 else if (Uch == 1705)
blac3777 3:251e4d020501 506 *(ascii_str + counter) = (char)(Uch - 1482);
blac3777 3:251e4d020501 507 else if (Uch == 1604)
blac3777 3:251e4d020501 508 *(ascii_str + counter) = (char)(Uch - 1379);
blac3777 3:251e4d020501 509 else if (Uch > 1604 && Uch < 1609)
blac3777 3:251e4d020501 510 *(ascii_str + counter) = (char)(Uch - 1378);
blac3777 3:251e4d020501 511 else if (Uch == 1740)
blac3777 3:251e4d020501 512 *(ascii_str + counter) = (char)(Uch - 1503);
blac3777 3:251e4d020501 513 else if (Uch == 1574)
blac3777 3:251e4d020501 514 *(ascii_str + counter) = (char)(Uch - 1381);
blac3777 3:251e4d020501 515 else if (Uch == 1662)
blac3777 3:251e4d020501 516 *(ascii_str + counter) = (char)(Uch - 1533);
blac3777 3:251e4d020501 517 else if (Uch == 1670)
blac3777 3:251e4d020501 518 *(ascii_str + counter) = (char)(Uch - 1529);
blac3777 3:251e4d020501 519 else if (Uch == 1688)
blac3777 3:251e4d020501 520 *(ascii_str + counter) = (char)(Uch - 1546);
blac3777 3:251e4d020501 521 else if (Uch == 1711)
blac3777 3:251e4d020501 522 *(ascii_str + counter) = (char)(Uch - 1567);
blac3777 3:251e4d020501 523 else if (Uch == 1570)
blac3777 3:251e4d020501 524 *(ascii_str + counter) = (char)(Uch - 1376);
blac3777 3:251e4d020501 525 else if (Uch > 1631 && Uch < 1642)
blac3777 3:251e4d020501 526 *(ascii_str + counter) = (char)(Uch - 1584);
blac3777 3:251e4d020501 527 else if (Uch == 65536)
blac3777 3:251e4d020501 528 *(ascii_str + counter) = NULL;
blac3777 3:251e4d020501 529 else
blac3777 3:251e4d020501 530 *(ascii_str + counter) = (char)Uch;
blac3777 3:251e4d020501 531
blac3777 3:251e4d020501 532 counter++;
blac3777 3:251e4d020501 533 }
blac3777 3:251e4d020501 534 *(ascii_str + counter) = NULL;
blac3777 3:251e4d020501 535 }