Stepan Smejkal / SPI_TFT_ILI9341

Lib for the new LCD Display with ILI9341 controller

SPI_TFT_ILI9341.cpp@1:6d6125e88de7, 2013-06-13 (annotated)

Committer:
dreschpe
Date:
Thu Jun 13 19:54:24 2013 +0000
Revision:
1:6d6125e88de7
Parent:
0:da1bf437cbc1
Child:
2:0a16083193a4
Init sequence changed based on MI0283QT datasheet

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:da1bf437cbc1 1 /* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
dreschpe 0:da1bf437cbc1 2 * Copyright (c) 2013 Peter Drescher - DC2PD
dreschpe 0:da1bf437cbc1 3 *
dreschpe 0:da1bf437cbc1 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:da1bf437cbc1 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:da1bf437cbc1 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:da1bf437cbc1 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:da1bf437cbc1 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:da1bf437cbc1 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:da1bf437cbc1 10 * THE SOFTWARE.
dreschpe 0:da1bf437cbc1 11 */
dreschpe 0:da1bf437cbc1 12
dreschpe 0:da1bf437cbc1 13 // 12.06.13 fork from SPI_TFT code because controller is different ...
dreschpe 0:da1bf437cbc1 14
dreschpe 0:da1bf437cbc1 15 #include "SPI_TFT_ILI9341.h"
dreschpe 0:da1bf437cbc1 16 #include "mbed.h"
dreschpe 0:da1bf437cbc1 17
dreschpe 0:da1bf437cbc1 18 #define BPP 16 // Bits per pixel
dreschpe 0:da1bf437cbc1 19
dreschpe 0:da1bf437cbc1 20
dreschpe 0:da1bf437cbc1 21 //extern Serial pc;
dreschpe 0:da1bf437cbc1 22 //extern DigitalOut xx; // debug !!
dreschpe 0:da1bf437cbc1 23
dreschpe 0:da1bf437cbc1 24 SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
dreschpe 0:da1bf437cbc1 25 : _spi(mosi, miso, sclk), _cs(cs), _reset(reset), _dc(dc), GraphicsDisplay(name)
dreschpe 0:da1bf437cbc1 26 {
dreschpe 0:da1bf437cbc1 27 orientation = 0;
dreschpe 0:da1bf437cbc1 28 char_x = 0;
dreschpe 0:da1bf437cbc1 29 tft_reset();
dreschpe 0:da1bf437cbc1 30 }
dreschpe 0:da1bf437cbc1 31
dreschpe 0:da1bf437cbc1 32 int SPI_TFT_ILI9341::width()
dreschpe 0:da1bf437cbc1 33 {
dreschpe 0:da1bf437cbc1 34 if (orientation == 0 || orientation == 2) return 240;
dreschpe 0:da1bf437cbc1 35 else return 320;
dreschpe 0:da1bf437cbc1 36 }
dreschpe 0:da1bf437cbc1 37
dreschpe 0:da1bf437cbc1 38
dreschpe 0:da1bf437cbc1 39 int SPI_TFT_ILI9341::height()
dreschpe 0:da1bf437cbc1 40 {
dreschpe 0:da1bf437cbc1 41 if (orientation == 0 || orientation == 2) return 320;
dreschpe 0:da1bf437cbc1 42 else return 240;
dreschpe 0:da1bf437cbc1 43 }
dreschpe 0:da1bf437cbc1 44
dreschpe 0:da1bf437cbc1 45
dreschpe 0:da1bf437cbc1 46 /*void SPI_TFT_ILI9341::set_orientation(unsigned int o)
dreschpe 0:da1bf437cbc1 47 {
dreschpe 0:da1bf437cbc1 48 orientation = o;
dreschpe 0:da1bf437cbc1 49 switch (orientation) {
dreschpe 0:da1bf437cbc1 50 case 0:
dreschpe 0:da1bf437cbc1 51 wr_reg(0x16, 0x08);
dreschpe 0:da1bf437cbc1 52 break;
dreschpe 0:da1bf437cbc1 53 case 1:
dreschpe 0:da1bf437cbc1 54 wr_reg(0x16, 0x68);
dreschpe 0:da1bf437cbc1 55 break;
dreschpe 0:da1bf437cbc1 56 case 2:
dreschpe 0:da1bf437cbc1 57 wr_reg(0x16, 0xC8);
dreschpe 0:da1bf437cbc1 58 break;
dreschpe 0:da1bf437cbc1 59 case 3:
dreschpe 0:da1bf437cbc1 60 wr_reg(0x16, 0xA8);
dreschpe 0:da1bf437cbc1 61 break;
dreschpe 0:da1bf437cbc1 62 }
dreschpe 0:da1bf437cbc1 63 WindowMax();
dreschpe 0:da1bf437cbc1 64 } */
dreschpe 0:da1bf437cbc1 65
dreschpe 0:da1bf437cbc1 66
dreschpe 0:da1bf437cbc1 67 // write command to tft register
dreschpe 0:da1bf437cbc1 68
dreschpe 0:da1bf437cbc1 69 void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
dreschpe 0:da1bf437cbc1 70 {
dreschpe 0:da1bf437cbc1 71 _dc = 0;
dreschpe 0:da1bf437cbc1 72 _cs = 0;
dreschpe 0:da1bf437cbc1 73 _spi.write(cmd); // mbed lib
dreschpe 0:da1bf437cbc1 74 _dc = 1;
dreschpe 0:da1bf437cbc1 75 }
dreschpe 0:da1bf437cbc1 76
dreschpe 0:da1bf437cbc1 77
dreschpe 0:da1bf437cbc1 78
dreschpe 0:da1bf437cbc1 79 void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
dreschpe 0:da1bf437cbc1 80 {
dreschpe 0:da1bf437cbc1 81 _spi.write(dat); // mbed lib
dreschpe 0:da1bf437cbc1 82 // _cs = 1;
dreschpe 0:da1bf437cbc1 83 }
dreschpe 0:da1bf437cbc1 84
dreschpe 0:da1bf437cbc1 85
dreschpe 0:da1bf437cbc1 86
dreschpe 0:da1bf437cbc1 87 // the ILI9341 can read - has to be implemented later
dreschpe 0:da1bf437cbc1 88 // A read will return 0 at the moment
dreschpe 0:da1bf437cbc1 89
dreschpe 0:da1bf437cbc1 90 //unsigned short SPI_TFT_ILI9341::rd_dat (void)
dreschpe 0:da1bf437cbc1 91 //{
dreschpe 0:da1bf437cbc1 92 // unsigned short val = 0;
dreschpe 0:da1bf437cbc1 93
dreschpe 0:da1bf437cbc1 94 //val = _spi.write(0x73ff); /* Dummy read 1 */
dreschpe 0:da1bf437cbc1 95 //val = _spi.write(0x0000); /* Read D8..D15 */
dreschpe 0:da1bf437cbc1 96 // return (val);
dreschpe 0:da1bf437cbc1 97 //}
dreschpe 0:da1bf437cbc1 98
dreschpe 0:da1bf437cbc1 99
dreschpe 0:da1bf437cbc1 100
dreschpe 1:6d6125e88de7 101 // Init code based on MI0283QT datasheet
dreschpe 1:6d6125e88de7 102
dreschpe 0:da1bf437cbc1 103 void SPI_TFT_ILI9341::tft_reset()
dreschpe 0:da1bf437cbc1 104 {
dreschpe 0:da1bf437cbc1 105 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 1:6d6125e88de7 106 _spi.frequency(10000000); // 10 Mhz SPI clock
dreschpe 0:da1bf437cbc1 107 _cs = 1; // cs high
dreschpe 0:da1bf437cbc1 108 _dc = 1; // dc high
dreschpe 0:da1bf437cbc1 109 _reset = 0; // display reset
dreschpe 0:da1bf437cbc1 110
dreschpe 0:da1bf437cbc1 111 wait_us(50);
dreschpe 1:6d6125e88de7 112 _reset = 1; // end hardware reset
dreschpe 0:da1bf437cbc1 113 wait_ms(5);
dreschpe 1:6d6125e88de7 114
dreschpe 1:6d6125e88de7 115 wr_cmd(0x01); // SW reset
dreschpe 1:6d6125e88de7 116 wait_ms(5);
dreschpe 1:6d6125e88de7 117 wr_cmd(0x28); // display off
dreschpe 0:da1bf437cbc1 118
dreschpe 0:da1bf437cbc1 119 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 1:6d6125e88de7 120 wr_cmd(0xCF);
dreschpe 1:6d6125e88de7 121 _spi.write(0x00);
dreschpe 1:6d6125e88de7 122 _spi.write(0x83);
dreschpe 1:6d6125e88de7 123 _spi.write(0x30);
dreschpe 1:6d6125e88de7 124 _cs = 1;
dreschpe 1:6d6125e88de7 125
dreschpe 1:6d6125e88de7 126 wr_cmd(0xED);
dreschpe 1:6d6125e88de7 127 _spi.write(0x64);
dreschpe 1:6d6125e88de7 128 _spi.write(0x03);
dreschpe 1:6d6125e88de7 129 _spi.write(0x12);
dreschpe 1:6d6125e88de7 130 _spi.write(0x81);
dreschpe 1:6d6125e88de7 131 _cs = 1;
dreschpe 1:6d6125e88de7 132
dreschpe 1:6d6125e88de7 133 wr_cmd(0xE8);
dreschpe 1:6d6125e88de7 134 _spi.write(0x85);
dreschpe 1:6d6125e88de7 135 _spi.write(0x01);
dreschpe 1:6d6125e88de7 136 _spi.write(0x79);
dreschpe 1:6d6125e88de7 137 _cs = 1;
dreschpe 1:6d6125e88de7 138
dreschpe 1:6d6125e88de7 139 wr_cmd(0xCB);
dreschpe 0:da1bf437cbc1 140 _spi.write(0x39);
dreschpe 0:da1bf437cbc1 141 _spi.write(0x2C);
dreschpe 0:da1bf437cbc1 142 _spi.write(0x00);
dreschpe 0:da1bf437cbc1 143 _spi.write(0x34);
dreschpe 0:da1bf437cbc1 144 _spi.write(0x02);
dreschpe 0:da1bf437cbc1 145 _cs = 1;
dreschpe 1:6d6125e88de7 146
dreschpe 1:6d6125e88de7 147 wr_cmd(0xF7);
dreschpe 1:6d6125e88de7 148 _spi.write(0x20);
dreschpe 0:da1bf437cbc1 149 _cs = 1;
dreschpe 1:6d6125e88de7 150
dreschpe 1:6d6125e88de7 151 wr_cmd(0xEA);
dreschpe 1:6d6125e88de7 152 _spi.write(0x00);
dreschpe 1:6d6125e88de7 153 _spi.write(0x00);
dreschpe 0:da1bf437cbc1 154 _cs = 1;
dreschpe 1:6d6125e88de7 155
dreschpe 0:da1bf437cbc1 156 wr_cmd(0xC0); // POWER_CONTROL_1
dreschpe 1:6d6125e88de7 157 _spi.write(0x26);
dreschpe 0:da1bf437cbc1 158 _cs = 1;
dreschpe 1:6d6125e88de7 159
dreschpe 0:da1bf437cbc1 160 wr_cmd(0xC1); // POWER_CONTROL_2
dreschpe 0:da1bf437cbc1 161 _spi.write(0x11);
dreschpe 0:da1bf437cbc1 162 _cs = 1;
dreschpe 1:6d6125e88de7 163
dreschpe 0:da1bf437cbc1 164 wr_cmd(0xC5); // VCOM_CONTROL_1
dreschpe 1:6d6125e88de7 165 _spi.write(0x35);
dreschpe 1:6d6125e88de7 166 _spi.write(0x3E);
dreschpe 0:da1bf437cbc1 167 _cs = 1;
dreschpe 1:6d6125e88de7 168
dreschpe 0:da1bf437cbc1 169 wr_cmd(0xC7); // VCOM_CONTROL_2
dreschpe 1:6d6125e88de7 170 _spi.write(0xBE);
dreschpe 0:da1bf437cbc1 171 _cs = 1;
dreschpe 1:6d6125e88de7 172
dreschpe 0:da1bf437cbc1 173 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
dreschpe 0:da1bf437cbc1 174 _spi.write(0x48);
dreschpe 0:da1bf437cbc1 175 _cs = 1;
dreschpe 1:6d6125e88de7 176
dreschpe 1:6d6125e88de7 177 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
dreschpe 1:6d6125e88de7 178 _spi.write(0x55); // 16 bit pixel
dreschpe 1:6d6125e88de7 179 _cs = 1;
dreschpe 1:6d6125e88de7 180
dreschpe 1:6d6125e88de7 181 wr_cmd(0xB1); // Frame Rate
dreschpe 1:6d6125e88de7 182 _spi.write(0x00);
dreschpe 1:6d6125e88de7 183 _spi.write(0x1B);
dreschpe 1:6d6125e88de7 184 _cs = 1;
dreschpe 1:6d6125e88de7 185
dreschpe 1:6d6125e88de7 186 wr_cmd(0xF2); // Gamma Function Disable
dreschpe 1:6d6125e88de7 187 _spi.write(0x08);
dreschpe 1:6d6125e88de7 188 _cs = 1;
dreschpe 1:6d6125e88de7 189
dreschpe 1:6d6125e88de7 190 wr_cmd(0x26);
dreschpe 1:6d6125e88de7 191 _spi.write(0x01); // gamma set for curve 01/2/04/08
dreschpe 1:6d6125e88de7 192 _cs = 1;
dreschpe 1:6d6125e88de7 193
dreschpe 1:6d6125e88de7 194 wr_cmd(0xE0); // positive gamma correction
dreschpe 1:6d6125e88de7 195 _spi.write(0x1F);
dreschpe 1:6d6125e88de7 196 _spi.write(0x1A);
dreschpe 1:6d6125e88de7 197 _spi.write(0x18);
dreschpe 1:6d6125e88de7 198 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 199 _spi.write(0x0F);
dreschpe 1:6d6125e88de7 200 _spi.write(0x06);
dreschpe 1:6d6125e88de7 201 _spi.write(0x45);
dreschpe 1:6d6125e88de7 202 _spi.write(0x87);
dreschpe 1:6d6125e88de7 203 _spi.write(0x32);
dreschpe 1:6d6125e88de7 204 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 205 _spi.write(0x07);
dreschpe 1:6d6125e88de7 206 _spi.write(0x02);
dreschpe 1:6d6125e88de7 207 _spi.write(0x07);
dreschpe 1:6d6125e88de7 208 _spi.write(0x05);
dreschpe 1:6d6125e88de7 209 _spi.write(0x00);
dreschpe 1:6d6125e88de7 210 _cs = 1;
dreschpe 1:6d6125e88de7 211
dreschpe 1:6d6125e88de7 212 wr_cmd(0xE1); // negativ gamma correction
dreschpe 1:6d6125e88de7 213 _spi.write(0x00);
dreschpe 1:6d6125e88de7 214 _spi.write(0x25);
dreschpe 1:6d6125e88de7 215 _spi.write(0x27);
dreschpe 1:6d6125e88de7 216 _spi.write(0x05);
dreschpe 1:6d6125e88de7 217 _spi.write(0x10);
dreschpe 1:6d6125e88de7 218 _spi.write(0x09);
dreschpe 1:6d6125e88de7 219 _spi.write(0x3A);
dreschpe 1:6d6125e88de7 220 _spi.write(0x78);
dreschpe 1:6d6125e88de7 221 _spi.write(0x4D);
dreschpe 1:6d6125e88de7 222 _spi.write(0x05);
dreschpe 1:6d6125e88de7 223 _spi.write(0x18);
dreschpe 1:6d6125e88de7 224 _spi.write(0x0D);
dreschpe 1:6d6125e88de7 225 _spi.write(0x38);
dreschpe 1:6d6125e88de7 226 _spi.write(0x3A);
dreschpe 1:6d6125e88de7 227 _spi.write(0x1F);
dreschpe 1:6d6125e88de7 228 _cs = 1;
dreschpe 1:6d6125e88de7 229
dreschpe 1:6d6125e88de7 230 WindowMax ();
dreschpe 1:6d6125e88de7 231
dreschpe 1:6d6125e88de7 232 //wr_cmd(0x34); // tearing effect off
dreschpe 1:6d6125e88de7 233 //_cs = 1;
dreschpe 1:6d6125e88de7 234
dreschpe 1:6d6125e88de7 235 //wr_cmd(0x35); // tearing effect on
dreschpe 1:6d6125e88de7 236 //_cs = 1;
dreschpe 1:6d6125e88de7 237
dreschpe 1:6d6125e88de7 238 wr_cmd(0xB7); // entry mode
dreschpe 1:6d6125e88de7 239 _spi.write(0x07);
dreschpe 1:6d6125e88de7 240 _cs = 1;
dreschpe 1:6d6125e88de7 241
dreschpe 1:6d6125e88de7 242 wr_cmd(0xB6); // display function control
dreschpe 1:6d6125e88de7 243 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 244 _spi.write(0x82);
dreschpe 1:6d6125e88de7 245 _spi.write(0x27);
dreschpe 1:6d6125e88de7 246 _spi.write(0x00);
dreschpe 1:6d6125e88de7 247 _cs = 1;
dreschpe 1:6d6125e88de7 248
dreschpe 1:6d6125e88de7 249 wr_cmd(0x11); // sleep out
dreschpe 1:6d6125e88de7 250 _cs = 1;
dreschpe 1:6d6125e88de7 251
dreschpe 1:6d6125e88de7 252 wait_ms(100);
dreschpe 1:6d6125e88de7 253
dreschpe 1:6d6125e88de7 254 wr_cmd(0x29); // display on
dreschpe 1:6d6125e88de7 255 _cs = 1;
dreschpe 1:6d6125e88de7 256
dreschpe 1:6d6125e88de7 257 wait_ms(100);
dreschpe 1:6d6125e88de7 258
dreschpe 1:6d6125e88de7 259 }
dreschpe 0:da1bf437cbc1 260
dreschpe 0:da1bf437cbc1 261
dreschpe 0:da1bf437cbc1 262 void SPI_TFT_ILI9341::pixel(int x, int y, int color)
dreschpe 0:da1bf437cbc1 263 {
dreschpe 0:da1bf437cbc1 264 wr_cmd(0x2A);
dreschpe 0:da1bf437cbc1 265 _spi.write(x >> 8);
dreschpe 0:da1bf437cbc1 266 _spi.write(x);
dreschpe 0:da1bf437cbc1 267 _cs = 1;
dreschpe 0:da1bf437cbc1 268 wr_cmd(0x2B);
dreschpe 0:da1bf437cbc1 269 _spi.write(y >> 8);
dreschpe 0:da1bf437cbc1 270 _spi.write(y);
dreschpe 0:da1bf437cbc1 271 _cs = 1;
dreschpe 0:da1bf437cbc1 272 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 273 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 274 _spi.write(color); // Write D0..D15
dreschpe 0:da1bf437cbc1 275 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 276 _cs = 1;
dreschpe 0:da1bf437cbc1 277 }
dreschpe 0:da1bf437cbc1 278
dreschpe 0:da1bf437cbc1 279
dreschpe 0:da1bf437cbc1 280 void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
dreschpe 0:da1bf437cbc1 281 {
dreschpe 0:da1bf437cbc1 282 wr_cmd(0x2A);
dreschpe 0:da1bf437cbc1 283 _spi.write(x >> 8);
dreschpe 0:da1bf437cbc1 284 _spi.write(x);
dreschpe 0:da1bf437cbc1 285 _spi.write((x+w-1) >> 8);
dreschpe 0:da1bf437cbc1 286 _spi.write(x+w-1);
dreschpe 0:da1bf437cbc1 287
dreschpe 0:da1bf437cbc1 288 _cs = 1;
dreschpe 0:da1bf437cbc1 289 wr_cmd(0x2B);
dreschpe 0:da1bf437cbc1 290 _spi.write(y >> 8);
dreschpe 0:da1bf437cbc1 291 _spi.write(y);
dreschpe 0:da1bf437cbc1 292 _spi.write((y+h-1) >> 8);
dreschpe 0:da1bf437cbc1 293 _spi.write(y+h-1);
dreschpe 0:da1bf437cbc1 294 _cs = 1;
dreschpe 0:da1bf437cbc1 295 }
dreschpe 0:da1bf437cbc1 296
dreschpe 0:da1bf437cbc1 297
dreschpe 0:da1bf437cbc1 298 void SPI_TFT_ILI9341::WindowMax (void)
dreschpe 0:da1bf437cbc1 299 {
dreschpe 0:da1bf437cbc1 300 window (0, 0, width(), height());
dreschpe 0:da1bf437cbc1 301 }
dreschpe 0:da1bf437cbc1 302
dreschpe 0:da1bf437cbc1 303
dreschpe 0:da1bf437cbc1 304
dreschpe 0:da1bf437cbc1 305 void SPI_TFT_ILI9341::cls (void)
dreschpe 0:da1bf437cbc1 306 {
dreschpe 0:da1bf437cbc1 307 int pixel = ( width() * height());
dreschpe 0:da1bf437cbc1 308 WindowMax();
dreschpe 0:da1bf437cbc1 309 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 310 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 311 unsigned int i;
dreschpe 0:da1bf437cbc1 312 for (i = 0; i < ( width() * height()); i++)
dreschpe 0:da1bf437cbc1 313 _spi.write(_background);
dreschpe 0:da1bf437cbc1 314 _cs = 1;
dreschpe 0:da1bf437cbc1 315 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 316 }
dreschpe 0:da1bf437cbc1 317
dreschpe 0:da1bf437cbc1 318
dreschpe 0:da1bf437cbc1 319 void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
dreschpe 0:da1bf437cbc1 320 {
dreschpe 0:da1bf437cbc1 321
dreschpe 0:da1bf437cbc1 322 int draw_x0, draw_y0;
dreschpe 0:da1bf437cbc1 323 int draw_x1, draw_y1;
dreschpe 0:da1bf437cbc1 324 int draw_x2, draw_y2;
dreschpe 0:da1bf437cbc1 325 int draw_x3, draw_y3;
dreschpe 0:da1bf437cbc1 326 int draw_x4, draw_y4;
dreschpe 0:da1bf437cbc1 327 int draw_x5, draw_y5;
dreschpe 0:da1bf437cbc1 328 int draw_x6, draw_y6;
dreschpe 0:da1bf437cbc1 329 int draw_x7, draw_y7;
dreschpe 0:da1bf437cbc1 330 int xx, yy;
dreschpe 0:da1bf437cbc1 331 int di;
dreschpe 0:da1bf437cbc1 332 //WindowMax();
dreschpe 0:da1bf437cbc1 333 if (r == 0) { /* no radius */
dreschpe 0:da1bf437cbc1 334 return;
dreschpe 0:da1bf437cbc1 335 }
dreschpe 0:da1bf437cbc1 336
dreschpe 0:da1bf437cbc1 337 draw_x0 = draw_x1 = x0;
dreschpe 0:da1bf437cbc1 338 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:da1bf437cbc1 339 if (draw_y0 < height()) {
dreschpe 0:da1bf437cbc1 340 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:da1bf437cbc1 341 }
dreschpe 0:da1bf437cbc1 342
dreschpe 0:da1bf437cbc1 343 draw_x2 = draw_x3 = x0;
dreschpe 0:da1bf437cbc1 344 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:da1bf437cbc1 345 if (draw_y2 >= 0) {
dreschpe 0:da1bf437cbc1 346 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:da1bf437cbc1 347 }
dreschpe 0:da1bf437cbc1 348
dreschpe 0:da1bf437cbc1 349 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:da1bf437cbc1 350 draw_y4 = draw_y6 = y0;
dreschpe 0:da1bf437cbc1 351 if (draw_x4 < width()) {
dreschpe 0:da1bf437cbc1 352 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:da1bf437cbc1 353 }
dreschpe 0:da1bf437cbc1 354
dreschpe 0:da1bf437cbc1 355 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:da1bf437cbc1 356 draw_y5 = draw_y7 = y0;
dreschpe 0:da1bf437cbc1 357 if (draw_x5>=0) {
dreschpe 0:da1bf437cbc1 358 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:da1bf437cbc1 359 }
dreschpe 0:da1bf437cbc1 360
dreschpe 0:da1bf437cbc1 361 if (r == 1) {
dreschpe 0:da1bf437cbc1 362 return;
dreschpe 0:da1bf437cbc1 363 }
dreschpe 0:da1bf437cbc1 364
dreschpe 0:da1bf437cbc1 365 di = 3 - 2*r;
dreschpe 0:da1bf437cbc1 366 xx = 0;
dreschpe 0:da1bf437cbc1 367 yy = r;
dreschpe 0:da1bf437cbc1 368 while (xx < yy) {
dreschpe 0:da1bf437cbc1 369
dreschpe 0:da1bf437cbc1 370 if (di < 0) {
dreschpe 0:da1bf437cbc1 371 di += 4*xx + 6;
dreschpe 0:da1bf437cbc1 372 } else {
dreschpe 0:da1bf437cbc1 373 di += 4*(xx - yy) + 10;
dreschpe 0:da1bf437cbc1 374 yy--;
dreschpe 0:da1bf437cbc1 375 draw_y0--;
dreschpe 0:da1bf437cbc1 376 draw_y1--;
dreschpe 0:da1bf437cbc1 377 draw_y2++;
dreschpe 0:da1bf437cbc1 378 draw_y3++;
dreschpe 0:da1bf437cbc1 379 draw_x4--;
dreschpe 0:da1bf437cbc1 380 draw_x5++;
dreschpe 0:da1bf437cbc1 381 draw_x6--;
dreschpe 0:da1bf437cbc1 382 draw_x7++;
dreschpe 0:da1bf437cbc1 383 }
dreschpe 0:da1bf437cbc1 384 xx++;
dreschpe 0:da1bf437cbc1 385 draw_x0++;
dreschpe 0:da1bf437cbc1 386 draw_x1--;
dreschpe 0:da1bf437cbc1 387 draw_x2++;
dreschpe 0:da1bf437cbc1 388 draw_x3--;
dreschpe 0:da1bf437cbc1 389 draw_y4++;
dreschpe 0:da1bf437cbc1 390 draw_y5++;
dreschpe 0:da1bf437cbc1 391 draw_y6--;
dreschpe 0:da1bf437cbc1 392 draw_y7--;
dreschpe 0:da1bf437cbc1 393
dreschpe 0:da1bf437cbc1 394 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:da1bf437cbc1 395 pixel(draw_x0, draw_y0, color);
dreschpe 0:da1bf437cbc1 396 }
dreschpe 0:da1bf437cbc1 397
dreschpe 0:da1bf437cbc1 398 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:da1bf437cbc1 399 pixel(draw_x1, draw_y1, color);
dreschpe 0:da1bf437cbc1 400 }
dreschpe 0:da1bf437cbc1 401
dreschpe 0:da1bf437cbc1 402 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:da1bf437cbc1 403 pixel(draw_x2, draw_y2, color);
dreschpe 0:da1bf437cbc1 404 }
dreschpe 0:da1bf437cbc1 405
dreschpe 0:da1bf437cbc1 406 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:da1bf437cbc1 407 pixel(draw_x3, draw_y3, color);
dreschpe 0:da1bf437cbc1 408 }
dreschpe 0:da1bf437cbc1 409
dreschpe 0:da1bf437cbc1 410 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:da1bf437cbc1 411 pixel(draw_x4, draw_y4, color);
dreschpe 0:da1bf437cbc1 412 }
dreschpe 0:da1bf437cbc1 413
dreschpe 0:da1bf437cbc1 414 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:da1bf437cbc1 415 pixel(draw_x5, draw_y5, color);
dreschpe 0:da1bf437cbc1 416 }
dreschpe 0:da1bf437cbc1 417 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:da1bf437cbc1 418 pixel(draw_x6, draw_y6, color);
dreschpe 0:da1bf437cbc1 419 }
dreschpe 0:da1bf437cbc1 420 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:da1bf437cbc1 421 pixel(draw_x7, draw_y7, color);
dreschpe 0:da1bf437cbc1 422 }
dreschpe 0:da1bf437cbc1 423 }
dreschpe 0:da1bf437cbc1 424 return;
dreschpe 0:da1bf437cbc1 425 }
dreschpe 0:da1bf437cbc1 426
dreschpe 0:da1bf437cbc1 427 void SPI_TFT_ILI9341::fillcircle(int x, int y, int r, int color)
dreschpe 0:da1bf437cbc1 428 {
dreschpe 0:da1bf437cbc1 429 int i;
dreschpe 0:da1bf437cbc1 430 for (i = 0; i <= r; i++)
dreschpe 0:da1bf437cbc1 431 circle(x,y,i,color);
dreschpe 0:da1bf437cbc1 432 }
dreschpe 0:da1bf437cbc1 433
dreschpe 0:da1bf437cbc1 434
dreschpe 0:da1bf437cbc1 435
dreschpe 0:da1bf437cbc1 436 void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
dreschpe 0:da1bf437cbc1 437 {
dreschpe 0:da1bf437cbc1 438 int w;
dreschpe 0:da1bf437cbc1 439 w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 440 window(x0,y,w,1);
dreschpe 0:da1bf437cbc1 441 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 442 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 443 int j;
dreschpe 0:da1bf437cbc1 444 for (j=0; j<w; j++) {
dreschpe 0:da1bf437cbc1 445 _spi.write(color);
dreschpe 0:da1bf437cbc1 446 }
dreschpe 0:da1bf437cbc1 447 _cs = 1;
dreschpe 0:da1bf437cbc1 448 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 449 WindowMax();
dreschpe 0:da1bf437cbc1 450 return;
dreschpe 0:da1bf437cbc1 451 }
dreschpe 0:da1bf437cbc1 452
dreschpe 0:da1bf437cbc1 453 void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
dreschpe 0:da1bf437cbc1 454 {
dreschpe 0:da1bf437cbc1 455 int h;
dreschpe 0:da1bf437cbc1 456 h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 457 window(x,y0,1,h);
dreschpe 0:da1bf437cbc1 458 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 459 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 460 for (int y=0; y<h; y++) {
dreschpe 0:da1bf437cbc1 461 _spi.write(color);
dreschpe 0:da1bf437cbc1 462 }
dreschpe 0:da1bf437cbc1 463 _cs = 1;
dreschpe 0:da1bf437cbc1 464 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 465 WindowMax();
dreschpe 0:da1bf437cbc1 466 return;
dreschpe 0:da1bf437cbc1 467 }
dreschpe 0:da1bf437cbc1 468
dreschpe 0:da1bf437cbc1 469
dreschpe 0:da1bf437cbc1 470
dreschpe 0:da1bf437cbc1 471 void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 472 {
dreschpe 0:da1bf437cbc1 473 //WindowMax();
dreschpe 0:da1bf437cbc1 474 int dx = 0, dy = 0;
dreschpe 0:da1bf437cbc1 475 int dx_sym = 0, dy_sym = 0;
dreschpe 0:da1bf437cbc1 476 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:da1bf437cbc1 477 int di = 0;
dreschpe 0:da1bf437cbc1 478
dreschpe 0:da1bf437cbc1 479 dx = x1-x0;
dreschpe 0:da1bf437cbc1 480 dy = y1-y0;
dreschpe 0:da1bf437cbc1 481
dreschpe 0:da1bf437cbc1 482 if (dx == 0) { /* vertical line */
dreschpe 0:da1bf437cbc1 483 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 484 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 485 return;
dreschpe 0:da1bf437cbc1 486 }
dreschpe 0:da1bf437cbc1 487
dreschpe 0:da1bf437cbc1 488 if (dx > 0) {
dreschpe 0:da1bf437cbc1 489 dx_sym = 1;
dreschpe 0:da1bf437cbc1 490 } else {
dreschpe 0:da1bf437cbc1 491 dx_sym = -1;
dreschpe 0:da1bf437cbc1 492 }
dreschpe 0:da1bf437cbc1 493 if (dy == 0) { /* horizontal line */
dreschpe 0:da1bf437cbc1 494 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 495 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 496 return;
dreschpe 0:da1bf437cbc1 497 }
dreschpe 0:da1bf437cbc1 498
dreschpe 0:da1bf437cbc1 499 if (dy > 0) {
dreschpe 0:da1bf437cbc1 500 dy_sym = 1;
dreschpe 0:da1bf437cbc1 501 } else {
dreschpe 0:da1bf437cbc1 502 dy_sym = -1;
dreschpe 0:da1bf437cbc1 503 }
dreschpe 0:da1bf437cbc1 504
dreschpe 0:da1bf437cbc1 505 dx = dx_sym*dx;
dreschpe 0:da1bf437cbc1 506 dy = dy_sym*dy;
dreschpe 0:da1bf437cbc1 507
dreschpe 0:da1bf437cbc1 508 dx_x2 = dx*2;
dreschpe 0:da1bf437cbc1 509 dy_x2 = dy*2;
dreschpe 0:da1bf437cbc1 510
dreschpe 0:da1bf437cbc1 511 if (dx >= dy) {
dreschpe 0:da1bf437cbc1 512 di = dy_x2 - dx;
dreschpe 0:da1bf437cbc1 513 while (x0 != x1) {
dreschpe 0:da1bf437cbc1 514
dreschpe 0:da1bf437cbc1 515 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 516 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 517 if (di<0) {
dreschpe 0:da1bf437cbc1 518 di += dy_x2;
dreschpe 0:da1bf437cbc1 519 } else {
dreschpe 0:da1bf437cbc1 520 di += dy_x2 - dx_x2;
dreschpe 0:da1bf437cbc1 521 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 522 }
dreschpe 0:da1bf437cbc1 523 }
dreschpe 0:da1bf437cbc1 524 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 525 } else {
dreschpe 0:da1bf437cbc1 526 di = dx_x2 - dy;
dreschpe 0:da1bf437cbc1 527 while (y0 != y1) {
dreschpe 0:da1bf437cbc1 528 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 529 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 530 if (di < 0) {
dreschpe 0:da1bf437cbc1 531 di += dx_x2;
dreschpe 0:da1bf437cbc1 532 } else {
dreschpe 0:da1bf437cbc1 533 di += dx_x2 - dy_x2;
dreschpe 0:da1bf437cbc1 534 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 535 }
dreschpe 0:da1bf437cbc1 536 }
dreschpe 0:da1bf437cbc1 537 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 538 }
dreschpe 0:da1bf437cbc1 539 return;
dreschpe 0:da1bf437cbc1 540 }
dreschpe 0:da1bf437cbc1 541
dreschpe 0:da1bf437cbc1 542
dreschpe 0:da1bf437cbc1 543 void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 544 {
dreschpe 0:da1bf437cbc1 545
dreschpe 0:da1bf437cbc1 546 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 547 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 548
dreschpe 0:da1bf437cbc1 549 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 550 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 551
dreschpe 0:da1bf437cbc1 552 if (x1 > x0) hline(x0,x1,y1,color);
dreschpe 0:da1bf437cbc1 553 else hline(x1,x0,y1,color);
dreschpe 0:da1bf437cbc1 554
dreschpe 0:da1bf437cbc1 555 if (y1 > y0) vline(x1,y0,y1,color);
dreschpe 0:da1bf437cbc1 556 else vline(x1,y1,y0,color);
dreschpe 0:da1bf437cbc1 557
dreschpe 0:da1bf437cbc1 558 return;
dreschpe 0:da1bf437cbc1 559 }
dreschpe 0:da1bf437cbc1 560
dreschpe 0:da1bf437cbc1 561
dreschpe 0:da1bf437cbc1 562
dreschpe 0:da1bf437cbc1 563 void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 564 {
dreschpe 0:da1bf437cbc1 565
dreschpe 0:da1bf437cbc1 566 int h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 567 int w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 568 int pixel = h * w;
dreschpe 0:da1bf437cbc1 569 window(x0,y0,w,h);
dreschpe 0:da1bf437cbc1 570 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 571 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 572 for (int p=0; p<pixel; p++) {
dreschpe 0:da1bf437cbc1 573 _spi.write(color);
dreschpe 0:da1bf437cbc1 574 }
dreschpe 0:da1bf437cbc1 575 _cs = 1;
dreschpe 0:da1bf437cbc1 576 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 577 WindowMax();
dreschpe 0:da1bf437cbc1 578 return;
dreschpe 0:da1bf437cbc1 579 }
dreschpe 0:da1bf437cbc1 580
dreschpe 0:da1bf437cbc1 581
dreschpe 0:da1bf437cbc1 582 void SPI_TFT_ILI9341::locate(int x, int y)
dreschpe 0:da1bf437cbc1 583 {
dreschpe 0:da1bf437cbc1 584 char_x = x;
dreschpe 0:da1bf437cbc1 585 char_y = y;
dreschpe 0:da1bf437cbc1 586 }
dreschpe 0:da1bf437cbc1 587
dreschpe 0:da1bf437cbc1 588
dreschpe 0:da1bf437cbc1 589
dreschpe 0:da1bf437cbc1 590 int SPI_TFT_ILI9341::columns()
dreschpe 0:da1bf437cbc1 591 {
dreschpe 0:da1bf437cbc1 592 return width() / font[1];
dreschpe 0:da1bf437cbc1 593 }
dreschpe 0:da1bf437cbc1 594
dreschpe 0:da1bf437cbc1 595
dreschpe 0:da1bf437cbc1 596
dreschpe 0:da1bf437cbc1 597 int SPI_TFT_ILI9341::rows()
dreschpe 0:da1bf437cbc1 598 {
dreschpe 0:da1bf437cbc1 599 return height() / font[2];
dreschpe 0:da1bf437cbc1 600 }
dreschpe 0:da1bf437cbc1 601
dreschpe 0:da1bf437cbc1 602
dreschpe 0:da1bf437cbc1 603
dreschpe 0:da1bf437cbc1 604 int SPI_TFT_ILI9341::_putc(int value)
dreschpe 0:da1bf437cbc1 605 {
dreschpe 0:da1bf437cbc1 606 if (value == '\n') { // new line
dreschpe 0:da1bf437cbc1 607 char_x = 0;
dreschpe 0:da1bf437cbc1 608 char_y = char_y + font[2];
dreschpe 0:da1bf437cbc1 609 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 610 char_y = 0;
dreschpe 0:da1bf437cbc1 611 }
dreschpe 0:da1bf437cbc1 612 } else {
dreschpe 0:da1bf437cbc1 613 character(char_x, char_y, value);
dreschpe 0:da1bf437cbc1 614 }
dreschpe 0:da1bf437cbc1 615 return value;
dreschpe 0:da1bf437cbc1 616 }
dreschpe 0:da1bf437cbc1 617
dreschpe 0:da1bf437cbc1 618
dreschpe 0:da1bf437cbc1 619 void SPI_TFT_ILI9341::character(int x, int y, int c)
dreschpe 0:da1bf437cbc1 620 {
dreschpe 0:da1bf437cbc1 621 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:da1bf437cbc1 622 unsigned char* zeichen;
dreschpe 0:da1bf437cbc1 623 unsigned char z,w;
dreschpe 0:da1bf437cbc1 624
dreschpe 0:da1bf437cbc1 625 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:da1bf437cbc1 626
dreschpe 0:da1bf437cbc1 627 // read font parameter from start of array
dreschpe 0:da1bf437cbc1 628 offset = font[0]; // bytes / char
dreschpe 0:da1bf437cbc1 629 hor = font[1]; // get hor size of font
dreschpe 0:da1bf437cbc1 630 vert = font[2]; // get vert size of font
dreschpe 0:da1bf437cbc1 631 bpl = font[3]; // bytes per line
dreschpe 0:da1bf437cbc1 632
dreschpe 0:da1bf437cbc1 633 if (char_x + hor > width()) {
dreschpe 0:da1bf437cbc1 634 char_x = 0;
dreschpe 0:da1bf437cbc1 635 char_y = char_y + vert;
dreschpe 0:da1bf437cbc1 636 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 637 char_y = 0;
dreschpe 0:da1bf437cbc1 638 }
dreschpe 0:da1bf437cbc1 639 }
dreschpe 0:da1bf437cbc1 640 window(char_x, char_y,hor,vert); // char box
dreschpe 0:da1bf437cbc1 641 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 642 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 643 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:da1bf437cbc1 644 w = zeichen[0]; // width of actual char
dreschpe 0:da1bf437cbc1 645 for (j=0; j<vert; j++) { // vert line
dreschpe 0:da1bf437cbc1 646 for (i=0; i<hor; i++) { // horz line
dreschpe 0:da1bf437cbc1 647 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:da1bf437cbc1 648 b = 1 << (j & 0x07);
dreschpe 0:da1bf437cbc1 649 if (( z & b ) == 0x00) {
dreschpe 0:da1bf437cbc1 650 _spi.write(_background);
dreschpe 0:da1bf437cbc1 651 } else {
dreschpe 0:da1bf437cbc1 652 _spi.write(_foreground);
dreschpe 0:da1bf437cbc1 653 }
dreschpe 0:da1bf437cbc1 654 }
dreschpe 0:da1bf437cbc1 655 }
dreschpe 0:da1bf437cbc1 656 _cs = 1;
dreschpe 0:da1bf437cbc1 657 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 658 WindowMax();
dreschpe 0:da1bf437cbc1 659 if ((w + 2) < hor) { // x offset to next char
dreschpe 0:da1bf437cbc1 660 char_x += w + 2;
dreschpe 0:da1bf437cbc1 661 } else char_x += hor;
dreschpe 0:da1bf437cbc1 662 }
dreschpe 0:da1bf437cbc1 663
dreschpe 0:da1bf437cbc1 664
dreschpe 0:da1bf437cbc1 665 void SPI_TFT_ILI9341::set_font(unsigned char* f)
dreschpe 0:da1bf437cbc1 666 {
dreschpe 0:da1bf437cbc1 667 font = f;
dreschpe 0:da1bf437cbc1 668 }
dreschpe 0:da1bf437cbc1 669
dreschpe 0:da1bf437cbc1 670
dreschpe 0:da1bf437cbc1 671
dreschpe 0:da1bf437cbc1 672 void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
dreschpe 0:da1bf437cbc1 673 {
dreschpe 0:da1bf437cbc1 674 unsigned int j;
dreschpe 0:da1bf437cbc1 675 int padd;
dreschpe 0:da1bf437cbc1 676 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
dreschpe 0:da1bf437cbc1 677 // the lines are padded to multiple of 4 bytes in a bitmap
dreschpe 0:da1bf437cbc1 678 padd = -1;
dreschpe 0:da1bf437cbc1 679 do {
dreschpe 0:da1bf437cbc1 680 padd ++;
dreschpe 0:da1bf437cbc1 681 } while (2*(w + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 682 window(x, y, w, h);
dreschpe 0:da1bf437cbc1 683 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 684 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 685 unsigned int i;
dreschpe 0:da1bf437cbc1 686 for (j = 0; j < h; j++) { //Lines
dreschpe 0:da1bf437cbc1 687 for (i = 0; i < w; i++) { // copy pixel data to TFT
dreschpe 0:da1bf437cbc1 688 _spi.write(*bitmap_ptr); // one line
dreschpe 0:da1bf437cbc1 689 bitmap_ptr++;
dreschpe 0:da1bf437cbc1 690 }
dreschpe 0:da1bf437cbc1 691 bitmap_ptr -= 2*w;
dreschpe 0:da1bf437cbc1 692 bitmap_ptr -= padd;
dreschpe 0:da1bf437cbc1 693 }
dreschpe 0:da1bf437cbc1 694 _cs = 1;
dreschpe 0:da1bf437cbc1 695 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 696 WindowMax();
dreschpe 0:da1bf437cbc1 697 }
dreschpe 0:da1bf437cbc1 698
dreschpe 0:da1bf437cbc1 699
dreschpe 0:da1bf437cbc1 700 int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
dreschpe 0:da1bf437cbc1 701 {
dreschpe 0:da1bf437cbc1 702
dreschpe 0:da1bf437cbc1 703 #define OffsetPixelWidth 18
dreschpe 0:da1bf437cbc1 704 #define OffsetPixelHeigh 22
dreschpe 0:da1bf437cbc1 705 #define OffsetFileSize 34
dreschpe 0:da1bf437cbc1 706 #define OffsetPixData 10
dreschpe 0:da1bf437cbc1 707 #define OffsetBPP 28
dreschpe 0:da1bf437cbc1 708
dreschpe 0:da1bf437cbc1 709 char filename[50];
dreschpe 0:da1bf437cbc1 710 unsigned char BMP_Header[54];
dreschpe 0:da1bf437cbc1 711 unsigned short BPP_t;
dreschpe 0:da1bf437cbc1 712 unsigned int PixelWidth,PixelHeigh,start_data;
dreschpe 0:da1bf437cbc1 713 unsigned int i,off;
dreschpe 0:da1bf437cbc1 714 int padd,j;
dreschpe 0:da1bf437cbc1 715 unsigned short *line;
dreschpe 0:da1bf437cbc1 716
dreschpe 0:da1bf437cbc1 717 // get the filename
dreschpe 0:da1bf437cbc1 718 LocalFileSystem local("local");
dreschpe 0:da1bf437cbc1 719 sprintf(&filename[0],"/local/");
dreschpe 0:da1bf437cbc1 720 i=7;
dreschpe 0:da1bf437cbc1 721 while (*Name_BMP!='\0') {
dreschpe 0:da1bf437cbc1 722 filename[i++]=*Name_BMP++;
dreschpe 0:da1bf437cbc1 723 }
dreschpe 0:da1bf437cbc1 724
dreschpe 0:da1bf437cbc1 725 fprintf(stderr, "filename : %s \n\r",filename);
dreschpe 0:da1bf437cbc1 726
dreschpe 0:da1bf437cbc1 727 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
dreschpe 0:da1bf437cbc1 728 if (!Image) {
dreschpe 0:da1bf437cbc1 729 return(0); // error file not found !
dreschpe 0:da1bf437cbc1 730 }
dreschpe 0:da1bf437cbc1 731
dreschpe 0:da1bf437cbc1 732 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
dreschpe 0:da1bf437cbc1 733
dreschpe 0:da1bf437cbc1 734 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
dreschpe 0:da1bf437cbc1 735 fclose(Image);
dreschpe 0:da1bf437cbc1 736 return(-1); // error no BMP file
dreschpe 0:da1bf437cbc1 737 }
dreschpe 0:da1bf437cbc1 738
dreschpe 0:da1bf437cbc1 739 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
dreschpe 0:da1bf437cbc1 740 if (BPP_t != 0x0010) {
dreschpe 0:da1bf437cbc1 741 fclose(Image);
dreschpe 0:da1bf437cbc1 742 return(-2); // error no 16 bit BMP
dreschpe 0:da1bf437cbc1 743 }
dreschpe 0:da1bf437cbc1 744
dreschpe 0:da1bf437cbc1 745 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
dreschpe 0:da1bf437cbc1 746 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
dreschpe 0:da1bf437cbc1 747 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
dreschpe 0:da1bf437cbc1 748 fclose(Image);
dreschpe 0:da1bf437cbc1 749 return(-3); // to big
dreschpe 0:da1bf437cbc1 750 }
dreschpe 0:da1bf437cbc1 751
dreschpe 0:da1bf437cbc1 752 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
dreschpe 0:da1bf437cbc1 753
dreschpe 0:da1bf437cbc1 754 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
dreschpe 0:da1bf437cbc1 755 if (line == NULL) {
dreschpe 0:da1bf437cbc1 756 return(-4); // error no memory
dreschpe 0:da1bf437cbc1 757 }
dreschpe 0:da1bf437cbc1 758
dreschpe 0:da1bf437cbc1 759 // the bmp lines are padded to multiple of 4 bytes
dreschpe 0:da1bf437cbc1 760 padd = -1;
dreschpe 0:da1bf437cbc1 761 do {
dreschpe 0:da1bf437cbc1 762 padd ++;
dreschpe 0:da1bf437cbc1 763 } while ((PixelWidth * 2 + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 764
dreschpe 0:da1bf437cbc1 765
dreschpe 0:da1bf437cbc1 766 //fseek(Image, 70 ,SEEK_SET);
dreschpe 0:da1bf437cbc1 767 window(x, y,PixelWidth ,PixelHeigh);
dreschpe 0:da1bf437cbc1 768 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 769 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 770 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 0:da1bf437cbc1 771 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 0:da1bf437cbc1 772 fseek(Image, off ,SEEK_SET);
dreschpe 0:da1bf437cbc1 773 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
dreschpe 0:da1bf437cbc1 774 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 0:da1bf437cbc1 775 _spi.write(line[i]); // one 16 bit pixel
dreschpe 0:da1bf437cbc1 776 }
dreschpe 0:da1bf437cbc1 777 }
dreschpe 0:da1bf437cbc1 778 _cs = 1;
dreschpe 0:da1bf437cbc1 779 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 780 free (line);
dreschpe 0:da1bf437cbc1 781 fclose(Image);
dreschpe 0:da1bf437cbc1 782 WindowMax();
dreschpe 0:da1bf437cbc1 783 return(1);
dreschpe 0:da1bf437cbc1 784 }