Stepan Smejkal / SPI_TFT_ILI9341

Lib for the new LCD Display with ILI9341 controller

SPI_TFT_ILI9341.cpp@2:0a16083193a4, 2013-07-21 (annotated)

Committer:
dreschpe
Date:
Sun Jul 21 11:57:06 2013 +0000
Revision:
2:0a16083193a4
Parent:
1:6d6125e88de7
Child:
3:3d7298360e45
implement  set_orientation

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 2:0a16083193a4 14 // 14.07.13 Test with real display and bugfix
dreschpe 0:da1bf437cbc1 15
dreschpe 0:da1bf437cbc1 16 #include "SPI_TFT_ILI9341.h"
dreschpe 0:da1bf437cbc1 17 #include "mbed.h"
dreschpe 0:da1bf437cbc1 18
dreschpe 0:da1bf437cbc1 19 #define BPP 16 // Bits per pixel
dreschpe 0:da1bf437cbc1 20
dreschpe 0:da1bf437cbc1 21
dreschpe 0:da1bf437cbc1 22 //extern Serial pc;
dreschpe 0:da1bf437cbc1 23 //extern DigitalOut xx; // debug !!
dreschpe 0:da1bf437cbc1 24
dreschpe 0:da1bf437cbc1 25 SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
dreschpe 0:da1bf437cbc1 26 : _spi(mosi, miso, sclk), _cs(cs), _reset(reset), _dc(dc), GraphicsDisplay(name)
dreschpe 0:da1bf437cbc1 27 {
dreschpe 0:da1bf437cbc1 28 orientation = 0;
dreschpe 0:da1bf437cbc1 29 char_x = 0;
dreschpe 0:da1bf437cbc1 30 tft_reset();
dreschpe 0:da1bf437cbc1 31 }
dreschpe 0:da1bf437cbc1 32
dreschpe 0:da1bf437cbc1 33 int SPI_TFT_ILI9341::width()
dreschpe 0:da1bf437cbc1 34 {
dreschpe 0:da1bf437cbc1 35 if (orientation == 0 || orientation == 2) return 240;
dreschpe 0:da1bf437cbc1 36 else return 320;
dreschpe 0:da1bf437cbc1 37 }
dreschpe 0:da1bf437cbc1 38
dreschpe 0:da1bf437cbc1 39
dreschpe 0:da1bf437cbc1 40 int SPI_TFT_ILI9341::height()
dreschpe 0:da1bf437cbc1 41 {
dreschpe 0:da1bf437cbc1 42 if (orientation == 0 || orientation == 2) return 320;
dreschpe 0:da1bf437cbc1 43 else return 240;
dreschpe 0:da1bf437cbc1 44 }
dreschpe 0:da1bf437cbc1 45
dreschpe 0:da1bf437cbc1 46
dreschpe 2:0a16083193a4 47 void SPI_TFT_ILI9341::set_orientation(unsigned int o)
dreschpe 0:da1bf437cbc1 48 {
dreschpe 0:da1bf437cbc1 49 orientation = o;
dreschpe 2:0a16083193a4 50 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
dreschpe 0:da1bf437cbc1 51 switch (orientation) {
dreschpe 0:da1bf437cbc1 52 case 0:
dreschpe 2:0a16083193a4 53 _spi.write(0x48);
dreschpe 0:da1bf437cbc1 54 break;
dreschpe 0:da1bf437cbc1 55 case 1:
dreschpe 2:0a16083193a4 56 _spi.write(0x28);
dreschpe 0:da1bf437cbc1 57 break;
dreschpe 0:da1bf437cbc1 58 case 2:
dreschpe 2:0a16083193a4 59 _spi.write(0x88);
dreschpe 0:da1bf437cbc1 60 break;
dreschpe 0:da1bf437cbc1 61 case 3:
dreschpe 2:0a16083193a4 62 _spi.write(0xE8);
dreschpe 0:da1bf437cbc1 63 break;
dreschpe 0:da1bf437cbc1 64 }
dreschpe 2:0a16083193a4 65 _cs = 1;
dreschpe 0:da1bf437cbc1 66 WindowMax();
dreschpe 2:0a16083193a4 67 }
dreschpe 0:da1bf437cbc1 68
dreschpe 0:da1bf437cbc1 69
dreschpe 0:da1bf437cbc1 70 // write command to tft register
dreschpe 0:da1bf437cbc1 71
dreschpe 0:da1bf437cbc1 72 void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
dreschpe 0:da1bf437cbc1 73 {
dreschpe 0:da1bf437cbc1 74 _dc = 0;
dreschpe 0:da1bf437cbc1 75 _cs = 0;
dreschpe 0:da1bf437cbc1 76 _spi.write(cmd); // mbed lib
dreschpe 0:da1bf437cbc1 77 _dc = 1;
dreschpe 0:da1bf437cbc1 78 }
dreschpe 0:da1bf437cbc1 79
dreschpe 0:da1bf437cbc1 80
dreschpe 0:da1bf437cbc1 81
dreschpe 0:da1bf437cbc1 82 void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
dreschpe 0:da1bf437cbc1 83 {
dreschpe 0:da1bf437cbc1 84 _spi.write(dat); // mbed lib
dreschpe 0:da1bf437cbc1 85 }
dreschpe 0:da1bf437cbc1 86
dreschpe 0:da1bf437cbc1 87
dreschpe 0:da1bf437cbc1 88
dreschpe 0:da1bf437cbc1 89 // the ILI9341 can read - has to be implemented later
dreschpe 0:da1bf437cbc1 90 // A read will return 0 at the moment
dreschpe 0:da1bf437cbc1 91
dreschpe 0:da1bf437cbc1 92 //unsigned short SPI_TFT_ILI9341::rd_dat (void)
dreschpe 0:da1bf437cbc1 93 //{
dreschpe 0:da1bf437cbc1 94 // unsigned short val = 0;
dreschpe 0:da1bf437cbc1 95
dreschpe 0:da1bf437cbc1 96 //val = _spi.write(0x73ff); /* Dummy read 1 */
dreschpe 0:da1bf437cbc1 97 //val = _spi.write(0x0000); /* Read D8..D15 */
dreschpe 0:da1bf437cbc1 98 // return (val);
dreschpe 0:da1bf437cbc1 99 //}
dreschpe 0:da1bf437cbc1 100
dreschpe 0:da1bf437cbc1 101
dreschpe 0:da1bf437cbc1 102
dreschpe 1:6d6125e88de7 103 // Init code based on MI0283QT datasheet
dreschpe 1:6d6125e88de7 104
dreschpe 0:da1bf437cbc1 105 void SPI_TFT_ILI9341::tft_reset()
dreschpe 0:da1bf437cbc1 106 {
dreschpe 2:0a16083193a4 107 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 1:6d6125e88de7 108 _spi.frequency(10000000); // 10 Mhz SPI clock
dreschpe 0:da1bf437cbc1 109 _cs = 1; // cs high
dreschpe 0:da1bf437cbc1 110 _dc = 1; // dc high
dreschpe 0:da1bf437cbc1 111 _reset = 0; // display reset
dreschpe 0:da1bf437cbc1 112
dreschpe 0:da1bf437cbc1 113 wait_us(50);
dreschpe 1:6d6125e88de7 114 _reset = 1; // end hardware reset
dreschpe 0:da1bf437cbc1 115 wait_ms(5);
dreschpe 1:6d6125e88de7 116
dreschpe 1:6d6125e88de7 117 wr_cmd(0x01); // SW reset
dreschpe 1:6d6125e88de7 118 wait_ms(5);
dreschpe 1:6d6125e88de7 119 wr_cmd(0x28); // display off
dreschpe 0:da1bf437cbc1 120
dreschpe 0:da1bf437cbc1 121 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 1:6d6125e88de7 122 wr_cmd(0xCF);
dreschpe 1:6d6125e88de7 123 _spi.write(0x00);
dreschpe 1:6d6125e88de7 124 _spi.write(0x83);
dreschpe 1:6d6125e88de7 125 _spi.write(0x30);
dreschpe 1:6d6125e88de7 126 _cs = 1;
dreschpe 1:6d6125e88de7 127
dreschpe 1:6d6125e88de7 128 wr_cmd(0xED);
dreschpe 1:6d6125e88de7 129 _spi.write(0x64);
dreschpe 1:6d6125e88de7 130 _spi.write(0x03);
dreschpe 1:6d6125e88de7 131 _spi.write(0x12);
dreschpe 1:6d6125e88de7 132 _spi.write(0x81);
dreschpe 1:6d6125e88de7 133 _cs = 1;
dreschpe 1:6d6125e88de7 134
dreschpe 1:6d6125e88de7 135 wr_cmd(0xE8);
dreschpe 1:6d6125e88de7 136 _spi.write(0x85);
dreschpe 1:6d6125e88de7 137 _spi.write(0x01);
dreschpe 1:6d6125e88de7 138 _spi.write(0x79);
dreschpe 1:6d6125e88de7 139 _cs = 1;
dreschpe 1:6d6125e88de7 140
dreschpe 1:6d6125e88de7 141 wr_cmd(0xCB);
dreschpe 0:da1bf437cbc1 142 _spi.write(0x39);
dreschpe 0:da1bf437cbc1 143 _spi.write(0x2C);
dreschpe 0:da1bf437cbc1 144 _spi.write(0x00);
dreschpe 0:da1bf437cbc1 145 _spi.write(0x34);
dreschpe 0:da1bf437cbc1 146 _spi.write(0x02);
dreschpe 0:da1bf437cbc1 147 _cs = 1;
dreschpe 1:6d6125e88de7 148
dreschpe 1:6d6125e88de7 149 wr_cmd(0xF7);
dreschpe 1:6d6125e88de7 150 _spi.write(0x20);
dreschpe 0:da1bf437cbc1 151 _cs = 1;
dreschpe 1:6d6125e88de7 152
dreschpe 1:6d6125e88de7 153 wr_cmd(0xEA);
dreschpe 1:6d6125e88de7 154 _spi.write(0x00);
dreschpe 1:6d6125e88de7 155 _spi.write(0x00);
dreschpe 0:da1bf437cbc1 156 _cs = 1;
dreschpe 1:6d6125e88de7 157
dreschpe 0:da1bf437cbc1 158 wr_cmd(0xC0); // POWER_CONTROL_1
dreschpe 1:6d6125e88de7 159 _spi.write(0x26);
dreschpe 0:da1bf437cbc1 160 _cs = 1;
dreschpe 1:6d6125e88de7 161
dreschpe 0:da1bf437cbc1 162 wr_cmd(0xC1); // POWER_CONTROL_2
dreschpe 0:da1bf437cbc1 163 _spi.write(0x11);
dreschpe 0:da1bf437cbc1 164 _cs = 1;
dreschpe 1:6d6125e88de7 165
dreschpe 0:da1bf437cbc1 166 wr_cmd(0xC5); // VCOM_CONTROL_1
dreschpe 1:6d6125e88de7 167 _spi.write(0x35);
dreschpe 1:6d6125e88de7 168 _spi.write(0x3E);
dreschpe 0:da1bf437cbc1 169 _cs = 1;
dreschpe 1:6d6125e88de7 170
dreschpe 0:da1bf437cbc1 171 wr_cmd(0xC7); // VCOM_CONTROL_2
dreschpe 1:6d6125e88de7 172 _spi.write(0xBE);
dreschpe 0:da1bf437cbc1 173 _cs = 1;
dreschpe 1:6d6125e88de7 174
dreschpe 0:da1bf437cbc1 175 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
dreschpe 0:da1bf437cbc1 176 _spi.write(0x48);
dreschpe 0:da1bf437cbc1 177 _cs = 1;
dreschpe 1:6d6125e88de7 178
dreschpe 1:6d6125e88de7 179 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
dreschpe 1:6d6125e88de7 180 _spi.write(0x55); // 16 bit pixel
dreschpe 1:6d6125e88de7 181 _cs = 1;
dreschpe 1:6d6125e88de7 182
dreschpe 1:6d6125e88de7 183 wr_cmd(0xB1); // Frame Rate
dreschpe 1:6d6125e88de7 184 _spi.write(0x00);
dreschpe 1:6d6125e88de7 185 _spi.write(0x1B);
dreschpe 1:6d6125e88de7 186 _cs = 1;
dreschpe 1:6d6125e88de7 187
dreschpe 1:6d6125e88de7 188 wr_cmd(0xF2); // Gamma Function Disable
dreschpe 1:6d6125e88de7 189 _spi.write(0x08);
dreschpe 1:6d6125e88de7 190 _cs = 1;
dreschpe 1:6d6125e88de7 191
dreschpe 1:6d6125e88de7 192 wr_cmd(0x26);
dreschpe 1:6d6125e88de7 193 _spi.write(0x01); // gamma set for curve 01/2/04/08
dreschpe 1:6d6125e88de7 194 _cs = 1;
dreschpe 1:6d6125e88de7 195
dreschpe 1:6d6125e88de7 196 wr_cmd(0xE0); // positive gamma correction
dreschpe 1:6d6125e88de7 197 _spi.write(0x1F);
dreschpe 1:6d6125e88de7 198 _spi.write(0x1A);
dreschpe 1:6d6125e88de7 199 _spi.write(0x18);
dreschpe 1:6d6125e88de7 200 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 201 _spi.write(0x0F);
dreschpe 1:6d6125e88de7 202 _spi.write(0x06);
dreschpe 1:6d6125e88de7 203 _spi.write(0x45);
dreschpe 1:6d6125e88de7 204 _spi.write(0x87);
dreschpe 1:6d6125e88de7 205 _spi.write(0x32);
dreschpe 1:6d6125e88de7 206 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 207 _spi.write(0x07);
dreschpe 1:6d6125e88de7 208 _spi.write(0x02);
dreschpe 1:6d6125e88de7 209 _spi.write(0x07);
dreschpe 1:6d6125e88de7 210 _spi.write(0x05);
dreschpe 1:6d6125e88de7 211 _spi.write(0x00);
dreschpe 1:6d6125e88de7 212 _cs = 1;
dreschpe 1:6d6125e88de7 213
dreschpe 1:6d6125e88de7 214 wr_cmd(0xE1); // negativ gamma correction
dreschpe 1:6d6125e88de7 215 _spi.write(0x00);
dreschpe 1:6d6125e88de7 216 _spi.write(0x25);
dreschpe 1:6d6125e88de7 217 _spi.write(0x27);
dreschpe 1:6d6125e88de7 218 _spi.write(0x05);
dreschpe 1:6d6125e88de7 219 _spi.write(0x10);
dreschpe 1:6d6125e88de7 220 _spi.write(0x09);
dreschpe 1:6d6125e88de7 221 _spi.write(0x3A);
dreschpe 1:6d6125e88de7 222 _spi.write(0x78);
dreschpe 1:6d6125e88de7 223 _spi.write(0x4D);
dreschpe 1:6d6125e88de7 224 _spi.write(0x05);
dreschpe 1:6d6125e88de7 225 _spi.write(0x18);
dreschpe 1:6d6125e88de7 226 _spi.write(0x0D);
dreschpe 1:6d6125e88de7 227 _spi.write(0x38);
dreschpe 1:6d6125e88de7 228 _spi.write(0x3A);
dreschpe 1:6d6125e88de7 229 _spi.write(0x1F);
dreschpe 1:6d6125e88de7 230 _cs = 1;
dreschpe 1:6d6125e88de7 231
dreschpe 1:6d6125e88de7 232 WindowMax ();
dreschpe 1:6d6125e88de7 233
dreschpe 1:6d6125e88de7 234 //wr_cmd(0x34); // tearing effect off
dreschpe 1:6d6125e88de7 235 //_cs = 1;
dreschpe 1:6d6125e88de7 236
dreschpe 1:6d6125e88de7 237 //wr_cmd(0x35); // tearing effect on
dreschpe 1:6d6125e88de7 238 //_cs = 1;
dreschpe 1:6d6125e88de7 239
dreschpe 1:6d6125e88de7 240 wr_cmd(0xB7); // entry mode
dreschpe 1:6d6125e88de7 241 _spi.write(0x07);
dreschpe 1:6d6125e88de7 242 _cs = 1;
dreschpe 1:6d6125e88de7 243
dreschpe 1:6d6125e88de7 244 wr_cmd(0xB6); // display function control
dreschpe 1:6d6125e88de7 245 _spi.write(0x0A);
dreschpe 1:6d6125e88de7 246 _spi.write(0x82);
dreschpe 1:6d6125e88de7 247 _spi.write(0x27);
dreschpe 1:6d6125e88de7 248 _spi.write(0x00);
dreschpe 1:6d6125e88de7 249 _cs = 1;
dreschpe 1:6d6125e88de7 250
dreschpe 1:6d6125e88de7 251 wr_cmd(0x11); // sleep out
dreschpe 1:6d6125e88de7 252 _cs = 1;
dreschpe 1:6d6125e88de7 253
dreschpe 1:6d6125e88de7 254 wait_ms(100);
dreschpe 1:6d6125e88de7 255
dreschpe 1:6d6125e88de7 256 wr_cmd(0x29); // display on
dreschpe 1:6d6125e88de7 257 _cs = 1;
dreschpe 1:6d6125e88de7 258
dreschpe 1:6d6125e88de7 259 wait_ms(100);
dreschpe 1:6d6125e88de7 260
dreschpe 1:6d6125e88de7 261 }
dreschpe 0:da1bf437cbc1 262
dreschpe 0:da1bf437cbc1 263
dreschpe 0:da1bf437cbc1 264 void SPI_TFT_ILI9341::pixel(int x, int y, int color)
dreschpe 0:da1bf437cbc1 265 {
dreschpe 0:da1bf437cbc1 266 wr_cmd(0x2A);
dreschpe 0:da1bf437cbc1 267 _spi.write(x >> 8);
dreschpe 0:da1bf437cbc1 268 _spi.write(x);
dreschpe 0:da1bf437cbc1 269 _cs = 1;
dreschpe 0:da1bf437cbc1 270 wr_cmd(0x2B);
dreschpe 0:da1bf437cbc1 271 _spi.write(y >> 8);
dreschpe 0:da1bf437cbc1 272 _spi.write(y);
dreschpe 0:da1bf437cbc1 273 _cs = 1;
dreschpe 0:da1bf437cbc1 274 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 275 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 276 _spi.write(color); // Write D0..D15
dreschpe 0:da1bf437cbc1 277 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 278 _cs = 1;
dreschpe 0:da1bf437cbc1 279 }
dreschpe 0:da1bf437cbc1 280
dreschpe 0:da1bf437cbc1 281
dreschpe 0:da1bf437cbc1 282 void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
dreschpe 0:da1bf437cbc1 283 {
dreschpe 0:da1bf437cbc1 284 wr_cmd(0x2A);
dreschpe 0:da1bf437cbc1 285 _spi.write(x >> 8);
dreschpe 0:da1bf437cbc1 286 _spi.write(x);
dreschpe 0:da1bf437cbc1 287 _spi.write((x+w-1) >> 8);
dreschpe 0:da1bf437cbc1 288 _spi.write(x+w-1);
dreschpe 0:da1bf437cbc1 289
dreschpe 0:da1bf437cbc1 290 _cs = 1;
dreschpe 0:da1bf437cbc1 291 wr_cmd(0x2B);
dreschpe 0:da1bf437cbc1 292 _spi.write(y >> 8);
dreschpe 0:da1bf437cbc1 293 _spi.write(y);
dreschpe 0:da1bf437cbc1 294 _spi.write((y+h-1) >> 8);
dreschpe 0:da1bf437cbc1 295 _spi.write(y+h-1);
dreschpe 0:da1bf437cbc1 296 _cs = 1;
dreschpe 0:da1bf437cbc1 297 }
dreschpe 0:da1bf437cbc1 298
dreschpe 0:da1bf437cbc1 299
dreschpe 0:da1bf437cbc1 300 void SPI_TFT_ILI9341::WindowMax (void)
dreschpe 0:da1bf437cbc1 301 {
dreschpe 0:da1bf437cbc1 302 window (0, 0, width(), height());
dreschpe 0:da1bf437cbc1 303 }
dreschpe 0:da1bf437cbc1 304
dreschpe 0:da1bf437cbc1 305
dreschpe 0:da1bf437cbc1 306
dreschpe 0:da1bf437cbc1 307 void SPI_TFT_ILI9341::cls (void)
dreschpe 0:da1bf437cbc1 308 {
dreschpe 0:da1bf437cbc1 309 int pixel = ( width() * height());
dreschpe 0:da1bf437cbc1 310 WindowMax();
dreschpe 0:da1bf437cbc1 311 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 312 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 313 unsigned int i;
dreschpe 0:da1bf437cbc1 314 for (i = 0; i < ( width() * height()); i++)
dreschpe 0:da1bf437cbc1 315 _spi.write(_background);
dreschpe 0:da1bf437cbc1 316 _cs = 1;
dreschpe 0:da1bf437cbc1 317 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 318 }
dreschpe 0:da1bf437cbc1 319
dreschpe 0:da1bf437cbc1 320
dreschpe 0:da1bf437cbc1 321 void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
dreschpe 0:da1bf437cbc1 322 {
dreschpe 0:da1bf437cbc1 323
dreschpe 0:da1bf437cbc1 324 int draw_x0, draw_y0;
dreschpe 0:da1bf437cbc1 325 int draw_x1, draw_y1;
dreschpe 0:da1bf437cbc1 326 int draw_x2, draw_y2;
dreschpe 0:da1bf437cbc1 327 int draw_x3, draw_y3;
dreschpe 0:da1bf437cbc1 328 int draw_x4, draw_y4;
dreschpe 0:da1bf437cbc1 329 int draw_x5, draw_y5;
dreschpe 0:da1bf437cbc1 330 int draw_x6, draw_y6;
dreschpe 0:da1bf437cbc1 331 int draw_x7, draw_y7;
dreschpe 0:da1bf437cbc1 332 int xx, yy;
dreschpe 0:da1bf437cbc1 333 int di;
dreschpe 0:da1bf437cbc1 334 //WindowMax();
dreschpe 0:da1bf437cbc1 335 if (r == 0) { /* no radius */
dreschpe 0:da1bf437cbc1 336 return;
dreschpe 0:da1bf437cbc1 337 }
dreschpe 0:da1bf437cbc1 338
dreschpe 0:da1bf437cbc1 339 draw_x0 = draw_x1 = x0;
dreschpe 0:da1bf437cbc1 340 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:da1bf437cbc1 341 if (draw_y0 < height()) {
dreschpe 0:da1bf437cbc1 342 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:da1bf437cbc1 343 }
dreschpe 0:da1bf437cbc1 344
dreschpe 0:da1bf437cbc1 345 draw_x2 = draw_x3 = x0;
dreschpe 0:da1bf437cbc1 346 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:da1bf437cbc1 347 if (draw_y2 >= 0) {
dreschpe 0:da1bf437cbc1 348 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:da1bf437cbc1 349 }
dreschpe 0:da1bf437cbc1 350
dreschpe 0:da1bf437cbc1 351 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:da1bf437cbc1 352 draw_y4 = draw_y6 = y0;
dreschpe 0:da1bf437cbc1 353 if (draw_x4 < width()) {
dreschpe 0:da1bf437cbc1 354 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:da1bf437cbc1 355 }
dreschpe 0:da1bf437cbc1 356
dreschpe 0:da1bf437cbc1 357 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:da1bf437cbc1 358 draw_y5 = draw_y7 = y0;
dreschpe 0:da1bf437cbc1 359 if (draw_x5>=0) {
dreschpe 0:da1bf437cbc1 360 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:da1bf437cbc1 361 }
dreschpe 0:da1bf437cbc1 362
dreschpe 0:da1bf437cbc1 363 if (r == 1) {
dreschpe 0:da1bf437cbc1 364 return;
dreschpe 0:da1bf437cbc1 365 }
dreschpe 0:da1bf437cbc1 366
dreschpe 0:da1bf437cbc1 367 di = 3 - 2*r;
dreschpe 0:da1bf437cbc1 368 xx = 0;
dreschpe 0:da1bf437cbc1 369 yy = r;
dreschpe 0:da1bf437cbc1 370 while (xx < yy) {
dreschpe 0:da1bf437cbc1 371
dreschpe 0:da1bf437cbc1 372 if (di < 0) {
dreschpe 0:da1bf437cbc1 373 di += 4*xx + 6;
dreschpe 0:da1bf437cbc1 374 } else {
dreschpe 0:da1bf437cbc1 375 di += 4*(xx - yy) + 10;
dreschpe 0:da1bf437cbc1 376 yy--;
dreschpe 0:da1bf437cbc1 377 draw_y0--;
dreschpe 0:da1bf437cbc1 378 draw_y1--;
dreschpe 0:da1bf437cbc1 379 draw_y2++;
dreschpe 0:da1bf437cbc1 380 draw_y3++;
dreschpe 0:da1bf437cbc1 381 draw_x4--;
dreschpe 0:da1bf437cbc1 382 draw_x5++;
dreschpe 0:da1bf437cbc1 383 draw_x6--;
dreschpe 0:da1bf437cbc1 384 draw_x7++;
dreschpe 0:da1bf437cbc1 385 }
dreschpe 0:da1bf437cbc1 386 xx++;
dreschpe 0:da1bf437cbc1 387 draw_x0++;
dreschpe 0:da1bf437cbc1 388 draw_x1--;
dreschpe 0:da1bf437cbc1 389 draw_x2++;
dreschpe 0:da1bf437cbc1 390 draw_x3--;
dreschpe 0:da1bf437cbc1 391 draw_y4++;
dreschpe 0:da1bf437cbc1 392 draw_y5++;
dreschpe 0:da1bf437cbc1 393 draw_y6--;
dreschpe 0:da1bf437cbc1 394 draw_y7--;
dreschpe 0:da1bf437cbc1 395
dreschpe 0:da1bf437cbc1 396 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:da1bf437cbc1 397 pixel(draw_x0, draw_y0, color);
dreschpe 0:da1bf437cbc1 398 }
dreschpe 0:da1bf437cbc1 399
dreschpe 0:da1bf437cbc1 400 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:da1bf437cbc1 401 pixel(draw_x1, draw_y1, color);
dreschpe 0:da1bf437cbc1 402 }
dreschpe 0:da1bf437cbc1 403
dreschpe 0:da1bf437cbc1 404 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:da1bf437cbc1 405 pixel(draw_x2, draw_y2, color);
dreschpe 0:da1bf437cbc1 406 }
dreschpe 0:da1bf437cbc1 407
dreschpe 0:da1bf437cbc1 408 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:da1bf437cbc1 409 pixel(draw_x3, draw_y3, color);
dreschpe 0:da1bf437cbc1 410 }
dreschpe 0:da1bf437cbc1 411
dreschpe 0:da1bf437cbc1 412 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:da1bf437cbc1 413 pixel(draw_x4, draw_y4, color);
dreschpe 0:da1bf437cbc1 414 }
dreschpe 0:da1bf437cbc1 415
dreschpe 0:da1bf437cbc1 416 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:da1bf437cbc1 417 pixel(draw_x5, draw_y5, color);
dreschpe 0:da1bf437cbc1 418 }
dreschpe 0:da1bf437cbc1 419 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:da1bf437cbc1 420 pixel(draw_x6, draw_y6, color);
dreschpe 0:da1bf437cbc1 421 }
dreschpe 0:da1bf437cbc1 422 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:da1bf437cbc1 423 pixel(draw_x7, draw_y7, color);
dreschpe 0:da1bf437cbc1 424 }
dreschpe 0:da1bf437cbc1 425 }
dreschpe 0:da1bf437cbc1 426 return;
dreschpe 0:da1bf437cbc1 427 }
dreschpe 0:da1bf437cbc1 428
dreschpe 0:da1bf437cbc1 429 void SPI_TFT_ILI9341::fillcircle(int x, int y, int r, int color)
dreschpe 0:da1bf437cbc1 430 {
dreschpe 0:da1bf437cbc1 431 int i;
dreschpe 0:da1bf437cbc1 432 for (i = 0; i <= r; i++)
dreschpe 0:da1bf437cbc1 433 circle(x,y,i,color);
dreschpe 0:da1bf437cbc1 434 }
dreschpe 0:da1bf437cbc1 435
dreschpe 0:da1bf437cbc1 436
dreschpe 0:da1bf437cbc1 437
dreschpe 0:da1bf437cbc1 438 void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
dreschpe 0:da1bf437cbc1 439 {
dreschpe 0:da1bf437cbc1 440 int w;
dreschpe 0:da1bf437cbc1 441 w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 442 window(x0,y,w,1);
dreschpe 0:da1bf437cbc1 443 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 444 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 445 int j;
dreschpe 0:da1bf437cbc1 446 for (j=0; j<w; j++) {
dreschpe 0:da1bf437cbc1 447 _spi.write(color);
dreschpe 0:da1bf437cbc1 448 }
dreschpe 0:da1bf437cbc1 449 _cs = 1;
dreschpe 0:da1bf437cbc1 450 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 451 WindowMax();
dreschpe 0:da1bf437cbc1 452 return;
dreschpe 0:da1bf437cbc1 453 }
dreschpe 0:da1bf437cbc1 454
dreschpe 0:da1bf437cbc1 455 void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
dreschpe 0:da1bf437cbc1 456 {
dreschpe 0:da1bf437cbc1 457 int h;
dreschpe 0:da1bf437cbc1 458 h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 459 window(x,y0,1,h);
dreschpe 0:da1bf437cbc1 460 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 461 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 462 for (int y=0; y<h; y++) {
dreschpe 0:da1bf437cbc1 463 _spi.write(color);
dreschpe 0:da1bf437cbc1 464 }
dreschpe 0:da1bf437cbc1 465 _cs = 1;
dreschpe 0:da1bf437cbc1 466 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 467 WindowMax();
dreschpe 0:da1bf437cbc1 468 return;
dreschpe 0:da1bf437cbc1 469 }
dreschpe 0:da1bf437cbc1 470
dreschpe 0:da1bf437cbc1 471
dreschpe 0:da1bf437cbc1 472
dreschpe 0:da1bf437cbc1 473 void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 474 {
dreschpe 0:da1bf437cbc1 475 //WindowMax();
dreschpe 0:da1bf437cbc1 476 int dx = 0, dy = 0;
dreschpe 0:da1bf437cbc1 477 int dx_sym = 0, dy_sym = 0;
dreschpe 0:da1bf437cbc1 478 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:da1bf437cbc1 479 int di = 0;
dreschpe 0:da1bf437cbc1 480
dreschpe 0:da1bf437cbc1 481 dx = x1-x0;
dreschpe 0:da1bf437cbc1 482 dy = y1-y0;
dreschpe 0:da1bf437cbc1 483
dreschpe 0:da1bf437cbc1 484 if (dx == 0) { /* vertical line */
dreschpe 0:da1bf437cbc1 485 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 486 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 487 return;
dreschpe 0:da1bf437cbc1 488 }
dreschpe 0:da1bf437cbc1 489
dreschpe 0:da1bf437cbc1 490 if (dx > 0) {
dreschpe 0:da1bf437cbc1 491 dx_sym = 1;
dreschpe 0:da1bf437cbc1 492 } else {
dreschpe 0:da1bf437cbc1 493 dx_sym = -1;
dreschpe 0:da1bf437cbc1 494 }
dreschpe 0:da1bf437cbc1 495 if (dy == 0) { /* horizontal line */
dreschpe 0:da1bf437cbc1 496 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 497 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 498 return;
dreschpe 0:da1bf437cbc1 499 }
dreschpe 0:da1bf437cbc1 500
dreschpe 0:da1bf437cbc1 501 if (dy > 0) {
dreschpe 0:da1bf437cbc1 502 dy_sym = 1;
dreschpe 0:da1bf437cbc1 503 } else {
dreschpe 0:da1bf437cbc1 504 dy_sym = -1;
dreschpe 0:da1bf437cbc1 505 }
dreschpe 0:da1bf437cbc1 506
dreschpe 0:da1bf437cbc1 507 dx = dx_sym*dx;
dreschpe 0:da1bf437cbc1 508 dy = dy_sym*dy;
dreschpe 0:da1bf437cbc1 509
dreschpe 0:da1bf437cbc1 510 dx_x2 = dx*2;
dreschpe 0:da1bf437cbc1 511 dy_x2 = dy*2;
dreschpe 0:da1bf437cbc1 512
dreschpe 0:da1bf437cbc1 513 if (dx >= dy) {
dreschpe 0:da1bf437cbc1 514 di = dy_x2 - dx;
dreschpe 0:da1bf437cbc1 515 while (x0 != x1) {
dreschpe 0:da1bf437cbc1 516
dreschpe 0:da1bf437cbc1 517 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 518 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 519 if (di<0) {
dreschpe 0:da1bf437cbc1 520 di += dy_x2;
dreschpe 0:da1bf437cbc1 521 } else {
dreschpe 0:da1bf437cbc1 522 di += dy_x2 - dx_x2;
dreschpe 0:da1bf437cbc1 523 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 524 }
dreschpe 0:da1bf437cbc1 525 }
dreschpe 0:da1bf437cbc1 526 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 527 } else {
dreschpe 0:da1bf437cbc1 528 di = dx_x2 - dy;
dreschpe 0:da1bf437cbc1 529 while (y0 != y1) {
dreschpe 0:da1bf437cbc1 530 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 531 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 532 if (di < 0) {
dreschpe 0:da1bf437cbc1 533 di += dx_x2;
dreschpe 0:da1bf437cbc1 534 } else {
dreschpe 0:da1bf437cbc1 535 di += dx_x2 - dy_x2;
dreschpe 0:da1bf437cbc1 536 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 537 }
dreschpe 0:da1bf437cbc1 538 }
dreschpe 0:da1bf437cbc1 539 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 540 }
dreschpe 0:da1bf437cbc1 541 return;
dreschpe 0:da1bf437cbc1 542 }
dreschpe 0:da1bf437cbc1 543
dreschpe 0:da1bf437cbc1 544
dreschpe 0:da1bf437cbc1 545 void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 546 {
dreschpe 0:da1bf437cbc1 547
dreschpe 0:da1bf437cbc1 548 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 549 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 550
dreschpe 0:da1bf437cbc1 551 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 552 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 553
dreschpe 0:da1bf437cbc1 554 if (x1 > x0) hline(x0,x1,y1,color);
dreschpe 0:da1bf437cbc1 555 else hline(x1,x0,y1,color);
dreschpe 0:da1bf437cbc1 556
dreschpe 0:da1bf437cbc1 557 if (y1 > y0) vline(x1,y0,y1,color);
dreschpe 0:da1bf437cbc1 558 else vline(x1,y1,y0,color);
dreschpe 0:da1bf437cbc1 559
dreschpe 0:da1bf437cbc1 560 return;
dreschpe 0:da1bf437cbc1 561 }
dreschpe 0:da1bf437cbc1 562
dreschpe 0:da1bf437cbc1 563
dreschpe 0:da1bf437cbc1 564
dreschpe 0:da1bf437cbc1 565 void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 566 {
dreschpe 0:da1bf437cbc1 567
dreschpe 0:da1bf437cbc1 568 int h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 569 int w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 570 int pixel = h * w;
dreschpe 0:da1bf437cbc1 571 window(x0,y0,w,h);
dreschpe 0:da1bf437cbc1 572 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 573 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 574 for (int p=0; p<pixel; p++) {
dreschpe 0:da1bf437cbc1 575 _spi.write(color);
dreschpe 0:da1bf437cbc1 576 }
dreschpe 0:da1bf437cbc1 577 _cs = 1;
dreschpe 0:da1bf437cbc1 578 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 579 WindowMax();
dreschpe 0:da1bf437cbc1 580 return;
dreschpe 0:da1bf437cbc1 581 }
dreschpe 0:da1bf437cbc1 582
dreschpe 0:da1bf437cbc1 583
dreschpe 0:da1bf437cbc1 584 void SPI_TFT_ILI9341::locate(int x, int y)
dreschpe 0:da1bf437cbc1 585 {
dreschpe 0:da1bf437cbc1 586 char_x = x;
dreschpe 0:da1bf437cbc1 587 char_y = y;
dreschpe 0:da1bf437cbc1 588 }
dreschpe 0:da1bf437cbc1 589
dreschpe 0:da1bf437cbc1 590
dreschpe 0:da1bf437cbc1 591
dreschpe 0:da1bf437cbc1 592 int SPI_TFT_ILI9341::columns()
dreschpe 0:da1bf437cbc1 593 {
dreschpe 0:da1bf437cbc1 594 return width() / font[1];
dreschpe 0:da1bf437cbc1 595 }
dreschpe 0:da1bf437cbc1 596
dreschpe 0:da1bf437cbc1 597
dreschpe 0:da1bf437cbc1 598
dreschpe 0:da1bf437cbc1 599 int SPI_TFT_ILI9341::rows()
dreschpe 0:da1bf437cbc1 600 {
dreschpe 0:da1bf437cbc1 601 return height() / font[2];
dreschpe 0:da1bf437cbc1 602 }
dreschpe 0:da1bf437cbc1 603
dreschpe 0:da1bf437cbc1 604
dreschpe 0:da1bf437cbc1 605
dreschpe 0:da1bf437cbc1 606 int SPI_TFT_ILI9341::_putc(int value)
dreschpe 0:da1bf437cbc1 607 {
dreschpe 0:da1bf437cbc1 608 if (value == '\n') { // new line
dreschpe 0:da1bf437cbc1 609 char_x = 0;
dreschpe 0:da1bf437cbc1 610 char_y = char_y + font[2];
dreschpe 0:da1bf437cbc1 611 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 612 char_y = 0;
dreschpe 0:da1bf437cbc1 613 }
dreschpe 0:da1bf437cbc1 614 } else {
dreschpe 0:da1bf437cbc1 615 character(char_x, char_y, value);
dreschpe 0:da1bf437cbc1 616 }
dreschpe 0:da1bf437cbc1 617 return value;
dreschpe 0:da1bf437cbc1 618 }
dreschpe 0:da1bf437cbc1 619
dreschpe 0:da1bf437cbc1 620
dreschpe 0:da1bf437cbc1 621 void SPI_TFT_ILI9341::character(int x, int y, int c)
dreschpe 0:da1bf437cbc1 622 {
dreschpe 0:da1bf437cbc1 623 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:da1bf437cbc1 624 unsigned char* zeichen;
dreschpe 0:da1bf437cbc1 625 unsigned char z,w;
dreschpe 0:da1bf437cbc1 626
dreschpe 0:da1bf437cbc1 627 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:da1bf437cbc1 628
dreschpe 0:da1bf437cbc1 629 // read font parameter from start of array
dreschpe 0:da1bf437cbc1 630 offset = font[0]; // bytes / char
dreschpe 0:da1bf437cbc1 631 hor = font[1]; // get hor size of font
dreschpe 0:da1bf437cbc1 632 vert = font[2]; // get vert size of font
dreschpe 0:da1bf437cbc1 633 bpl = font[3]; // bytes per line
dreschpe 0:da1bf437cbc1 634
dreschpe 0:da1bf437cbc1 635 if (char_x + hor > width()) {
dreschpe 0:da1bf437cbc1 636 char_x = 0;
dreschpe 0:da1bf437cbc1 637 char_y = char_y + vert;
dreschpe 0:da1bf437cbc1 638 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 639 char_y = 0;
dreschpe 0:da1bf437cbc1 640 }
dreschpe 0:da1bf437cbc1 641 }
dreschpe 0:da1bf437cbc1 642 window(char_x, char_y,hor,vert); // char box
dreschpe 0:da1bf437cbc1 643 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 644 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 645 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:da1bf437cbc1 646 w = zeichen[0]; // width of actual char
dreschpe 0:da1bf437cbc1 647 for (j=0; j<vert; j++) { // vert line
dreschpe 0:da1bf437cbc1 648 for (i=0; i<hor; i++) { // horz line
dreschpe 0:da1bf437cbc1 649 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:da1bf437cbc1 650 b = 1 << (j & 0x07);
dreschpe 0:da1bf437cbc1 651 if (( z & b ) == 0x00) {
dreschpe 0:da1bf437cbc1 652 _spi.write(_background);
dreschpe 0:da1bf437cbc1 653 } else {
dreschpe 0:da1bf437cbc1 654 _spi.write(_foreground);
dreschpe 0:da1bf437cbc1 655 }
dreschpe 0:da1bf437cbc1 656 }
dreschpe 0:da1bf437cbc1 657 }
dreschpe 0:da1bf437cbc1 658 _cs = 1;
dreschpe 0:da1bf437cbc1 659 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 660 WindowMax();
dreschpe 0:da1bf437cbc1 661 if ((w + 2) < hor) { // x offset to next char
dreschpe 0:da1bf437cbc1 662 char_x += w + 2;
dreschpe 0:da1bf437cbc1 663 } else char_x += hor;
dreschpe 0:da1bf437cbc1 664 }
dreschpe 0:da1bf437cbc1 665
dreschpe 0:da1bf437cbc1 666
dreschpe 0:da1bf437cbc1 667 void SPI_TFT_ILI9341::set_font(unsigned char* f)
dreschpe 0:da1bf437cbc1 668 {
dreschpe 0:da1bf437cbc1 669 font = f;
dreschpe 0:da1bf437cbc1 670 }
dreschpe 0:da1bf437cbc1 671
dreschpe 0:da1bf437cbc1 672
dreschpe 0:da1bf437cbc1 673
dreschpe 0:da1bf437cbc1 674 void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
dreschpe 0:da1bf437cbc1 675 {
dreschpe 0:da1bf437cbc1 676 unsigned int j;
dreschpe 0:da1bf437cbc1 677 int padd;
dreschpe 0:da1bf437cbc1 678 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
dreschpe 2:0a16083193a4 679 unsigned int i;
dreschpe 2:0a16083193a4 680
dreschpe 0:da1bf437cbc1 681 // the lines are padded to multiple of 4 bytes in a bitmap
dreschpe 0:da1bf437cbc1 682 padd = -1;
dreschpe 0:da1bf437cbc1 683 do {
dreschpe 0:da1bf437cbc1 684 padd ++;
dreschpe 0:da1bf437cbc1 685 } while (2*(w + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 686 window(x, y, w, h);
dreschpe 2:0a16083193a4 687 bitmap_ptr += ((h - 1)* (w + padd));
dreschpe 0:da1bf437cbc1 688 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 689 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 2:0a16083193a4 690 for (j = 0; j < h; j++) { //Lines
dreschpe 2:0a16083193a4 691 for (i = 0; i < w; i++) { // one line
dreschpe 2:0a16083193a4 692 _spi.write(*bitmap_ptr); // copy pixel data to TFT
dreschpe 0:da1bf437cbc1 693 bitmap_ptr++;
dreschpe 0:da1bf437cbc1 694 }
dreschpe 0:da1bf437cbc1 695 bitmap_ptr -= 2*w;
dreschpe 0:da1bf437cbc1 696 bitmap_ptr -= padd;
dreschpe 0:da1bf437cbc1 697 }
dreschpe 0:da1bf437cbc1 698 _cs = 1;
dreschpe 0:da1bf437cbc1 699 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 700 WindowMax();
dreschpe 0:da1bf437cbc1 701 }
dreschpe 0:da1bf437cbc1 702
dreschpe 0:da1bf437cbc1 703
dreschpe 0:da1bf437cbc1 704 int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
dreschpe 0:da1bf437cbc1 705 {
dreschpe 0:da1bf437cbc1 706
dreschpe 0:da1bf437cbc1 707 #define OffsetPixelWidth 18
dreschpe 0:da1bf437cbc1 708 #define OffsetPixelHeigh 22
dreschpe 0:da1bf437cbc1 709 #define OffsetFileSize 34
dreschpe 0:da1bf437cbc1 710 #define OffsetPixData 10
dreschpe 0:da1bf437cbc1 711 #define OffsetBPP 28
dreschpe 0:da1bf437cbc1 712
dreschpe 0:da1bf437cbc1 713 char filename[50];
dreschpe 0:da1bf437cbc1 714 unsigned char BMP_Header[54];
dreschpe 0:da1bf437cbc1 715 unsigned short BPP_t;
dreschpe 0:da1bf437cbc1 716 unsigned int PixelWidth,PixelHeigh,start_data;
dreschpe 0:da1bf437cbc1 717 unsigned int i,off;
dreschpe 0:da1bf437cbc1 718 int padd,j;
dreschpe 0:da1bf437cbc1 719 unsigned short *line;
dreschpe 0:da1bf437cbc1 720
dreschpe 0:da1bf437cbc1 721 // get the filename
dreschpe 0:da1bf437cbc1 722 LocalFileSystem local("local");
dreschpe 0:da1bf437cbc1 723 sprintf(&filename[0],"/local/");
dreschpe 0:da1bf437cbc1 724 i=7;
dreschpe 0:da1bf437cbc1 725 while (*Name_BMP!='\0') {
dreschpe 0:da1bf437cbc1 726 filename[i++]=*Name_BMP++;
dreschpe 0:da1bf437cbc1 727 }
dreschpe 0:da1bf437cbc1 728
dreschpe 0:da1bf437cbc1 729 fprintf(stderr, "filename : %s \n\r",filename);
dreschpe 0:da1bf437cbc1 730
dreschpe 0:da1bf437cbc1 731 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
dreschpe 0:da1bf437cbc1 732 if (!Image) {
dreschpe 0:da1bf437cbc1 733 return(0); // error file not found !
dreschpe 0:da1bf437cbc1 734 }
dreschpe 0:da1bf437cbc1 735
dreschpe 0:da1bf437cbc1 736 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
dreschpe 0:da1bf437cbc1 737
dreschpe 0:da1bf437cbc1 738 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
dreschpe 0:da1bf437cbc1 739 fclose(Image);
dreschpe 0:da1bf437cbc1 740 return(-1); // error no BMP file
dreschpe 0:da1bf437cbc1 741 }
dreschpe 0:da1bf437cbc1 742
dreschpe 0:da1bf437cbc1 743 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
dreschpe 0:da1bf437cbc1 744 if (BPP_t != 0x0010) {
dreschpe 0:da1bf437cbc1 745 fclose(Image);
dreschpe 0:da1bf437cbc1 746 return(-2); // error no 16 bit BMP
dreschpe 0:da1bf437cbc1 747 }
dreschpe 0:da1bf437cbc1 748
dreschpe 0:da1bf437cbc1 749 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
dreschpe 0:da1bf437cbc1 750 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
dreschpe 0:da1bf437cbc1 751 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
dreschpe 0:da1bf437cbc1 752 fclose(Image);
dreschpe 0:da1bf437cbc1 753 return(-3); // to big
dreschpe 0:da1bf437cbc1 754 }
dreschpe 0:da1bf437cbc1 755
dreschpe 0:da1bf437cbc1 756 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
dreschpe 0:da1bf437cbc1 757
dreschpe 0:da1bf437cbc1 758 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
dreschpe 0:da1bf437cbc1 759 if (line == NULL) {
dreschpe 0:da1bf437cbc1 760 return(-4); // error no memory
dreschpe 0:da1bf437cbc1 761 }
dreschpe 0:da1bf437cbc1 762
dreschpe 0:da1bf437cbc1 763 // the bmp lines are padded to multiple of 4 bytes
dreschpe 0:da1bf437cbc1 764 padd = -1;
dreschpe 0:da1bf437cbc1 765 do {
dreschpe 0:da1bf437cbc1 766 padd ++;
dreschpe 0:da1bf437cbc1 767 } while ((PixelWidth * 2 + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 768
dreschpe 0:da1bf437cbc1 769
dreschpe 0:da1bf437cbc1 770 //fseek(Image, 70 ,SEEK_SET);
dreschpe 0:da1bf437cbc1 771 window(x, y,PixelWidth ,PixelHeigh);
dreschpe 0:da1bf437cbc1 772 wr_cmd(0x2C); // send pixel
dreschpe 0:da1bf437cbc1 773 _spi.format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 774 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 0:da1bf437cbc1 775 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 0:da1bf437cbc1 776 fseek(Image, off ,SEEK_SET);
dreschpe 0:da1bf437cbc1 777 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
dreschpe 0:da1bf437cbc1 778 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 0:da1bf437cbc1 779 _spi.write(line[i]); // one 16 bit pixel
dreschpe 0:da1bf437cbc1 780 }
dreschpe 0:da1bf437cbc1 781 }
dreschpe 0:da1bf437cbc1 782 _cs = 1;
dreschpe 0:da1bf437cbc1 783 _spi.format(8,3);
dreschpe 0:da1bf437cbc1 784 free (line);
dreschpe 0:da1bf437cbc1 785 fclose(Image);
dreschpe 0:da1bf437cbc1 786 WindowMax();
dreschpe 0:da1bf437cbc1 787 return(1);
dreschpe 0:da1bf437cbc1 788 }