Imayan chan / SPI_TFT_ILI9341ext

aitendo SX032QVGA008 TFT(ILI9341) w/resistive Touch panel.

Dependents:   SX032QVGA008

SPI_TFT_ILI9341ext.cpp@0:65f206d9f71f, 2015-04-14 (annotated)

Committer:
king33jp
Date:
Tue Apr 14 05:49:05 2015 +0000
Revision:
0:65f206d9f71f
Open for my friends Yoshi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
king33jp 0:65f206d9f71f 1 /* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
king33jp 0:65f206d9f71f 2 * Copyright (c) 2013 Peter Drescher - DC2PD
king33jp 0:65f206d9f71f 3 *
king33jp 0:65f206d9f71f 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
king33jp 0:65f206d9f71f 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
king33jp 0:65f206d9f71f 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
king33jp 0:65f206d9f71f 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
king33jp 0:65f206d9f71f 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
king33jp 0:65f206d9f71f 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
king33jp 0:65f206d9f71f 10 * THE SOFTWARE.
king33jp 0:65f206d9f71f 11 */
king33jp 0:65f206d9f71f 12
king33jp 0:65f206d9f71f 13 // 12.06.13 fork from SPI_TFT code because controller is different ...
king33jp 0:65f206d9f71f 14 // 14.07.13 Test with real display and bugfix
king33jp 0:65f206d9f71f 15 // 18.10.13 Better Circle function from Michael Ammann
king33jp 0:65f206d9f71f 16 // 22.10.13 Fixes for Kinetis Board - 8 bit spi
king33jp 0:65f206d9f71f 17
king33jp 0:65f206d9f71f 18 #include "SPI_TFT_ILI9341ext.h"
king33jp 0:65f206d9f71f 19 #include "mbed.h"
king33jp 0:65f206d9f71f 20
king33jp 0:65f206d9f71f 21 #define BPP 16 // Bits per pixel
king33jp 0:65f206d9f71f 22
king33jp 0:65f206d9f71f 23
king33jp 0:65f206d9f71f 24 //extern Serial pc;
king33jp 0:65f206d9f71f 25 //extern DigitalOut xx; // debug !!
king33jp 0:65f206d9f71f 26
king33jp 0:65f206d9f71f 27 SPI_TFT_ILI9341ext::SPI_TFT_ILI9341ext(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
king33jp 0:65f206d9f71f 28 : GraphicsDisplay(name), _spi(mosi, miso, sclk), _cs(cs), _dc(dc)
king33jp 0:65f206d9f71f 29 {
king33jp 0:65f206d9f71f 30 orientation = 0;
king33jp 0:65f206d9f71f 31 char_x = 0;
king33jp 0:65f206d9f71f 32 _reset = reset;
king33jp 0:65f206d9f71f 33 tft_reset();
king33jp 0:65f206d9f71f 34 }
king33jp 0:65f206d9f71f 35
king33jp 0:65f206d9f71f 36 int SPI_TFT_ILI9341ext::width()
king33jp 0:65f206d9f71f 37 {
king33jp 0:65f206d9f71f 38 if (orientation == 0 || orientation == 2) return 240;
king33jp 0:65f206d9f71f 39 else return 320;
king33jp 0:65f206d9f71f 40 }
king33jp 0:65f206d9f71f 41
king33jp 0:65f206d9f71f 42
king33jp 0:65f206d9f71f 43 int SPI_TFT_ILI9341ext::height()
king33jp 0:65f206d9f71f 44 {
king33jp 0:65f206d9f71f 45 if (orientation == 0 || orientation == 2) return 320;
king33jp 0:65f206d9f71f 46 else return 240;
king33jp 0:65f206d9f71f 47 }
king33jp 0:65f206d9f71f 48
king33jp 0:65f206d9f71f 49
king33jp 0:65f206d9f71f 50 void SPI_TFT_ILI9341ext::set_orientation(unsigned int o)
king33jp 0:65f206d9f71f 51 {
king33jp 0:65f206d9f71f 52 orientation = o;
king33jp 0:65f206d9f71f 53 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
king33jp 0:65f206d9f71f 54 switch (orientation) {
king33jp 0:65f206d9f71f 55 case 0:
king33jp 0:65f206d9f71f 56 _spi.write(0x48);
king33jp 0:65f206d9f71f 57 break;
king33jp 0:65f206d9f71f 58 case 1:
king33jp 0:65f206d9f71f 59 _spi.write(0x28);
king33jp 0:65f206d9f71f 60 break;
king33jp 0:65f206d9f71f 61 case 2:
king33jp 0:65f206d9f71f 62 _spi.write(0x88);
king33jp 0:65f206d9f71f 63 break;
king33jp 0:65f206d9f71f 64 case 3:
king33jp 0:65f206d9f71f 65 _spi.write(0xE8);
king33jp 0:65f206d9f71f 66 break;
king33jp 0:65f206d9f71f 67 }
king33jp 0:65f206d9f71f 68 _cs = 1;
king33jp 0:65f206d9f71f 69 WindowMax();
king33jp 0:65f206d9f71f 70 }
king33jp 0:65f206d9f71f 71
king33jp 0:65f206d9f71f 72
king33jp 0:65f206d9f71f 73 // write command to tft register
king33jp 0:65f206d9f71f 74
king33jp 0:65f206d9f71f 75 void SPI_TFT_ILI9341ext::wr_cmd(unsigned char cmd)
king33jp 0:65f206d9f71f 76 {
king33jp 0:65f206d9f71f 77 _dc = 0;
king33jp 0:65f206d9f71f 78 _cs = 0;
king33jp 0:65f206d9f71f 79 _spi.write(cmd); // mbed lib
king33jp 0:65f206d9f71f 80 _dc = 1;
king33jp 0:65f206d9f71f 81 }
king33jp 0:65f206d9f71f 82
king33jp 0:65f206d9f71f 83
king33jp 0:65f206d9f71f 84
king33jp 0:65f206d9f71f 85 void SPI_TFT_ILI9341ext::wr_dat(unsigned char dat)
king33jp 0:65f206d9f71f 86 {
king33jp 0:65f206d9f71f 87 _spi.write(dat); // mbed lib
king33jp 0:65f206d9f71f 88 }
king33jp 0:65f206d9f71f 89
king33jp 0:65f206d9f71f 90
king33jp 0:65f206d9f71f 91
king33jp 0:65f206d9f71f 92 // the ILI9341 can read - has to be implemented later
king33jp 0:65f206d9f71f 93 // A read will return 0 at the moment
king33jp 0:65f206d9f71f 94
king33jp 0:65f206d9f71f 95 //unsigned short SPI_TFT_ILI9341::rd_dat (void)
king33jp 0:65f206d9f71f 96 //{
king33jp 0:65f206d9f71f 97 // unsigned short val = 0;
king33jp 0:65f206d9f71f 98
king33jp 0:65f206d9f71f 99 //val = _spi.write(0x73ff); /* Dummy read 1 */
king33jp 0:65f206d9f71f 100 //val = _spi.write(0x0000); /* Read D8..D15 */
king33jp 0:65f206d9f71f 101 // return (val);
king33jp 0:65f206d9f71f 102 //}
king33jp 0:65f206d9f71f 103
king33jp 0:65f206d9f71f 104
king33jp 0:65f206d9f71f 105
king33jp 0:65f206d9f71f 106 // Init code based on MI0283QT datasheet
king33jp 0:65f206d9f71f 107
king33jp 0:65f206d9f71f 108 void SPI_TFT_ILI9341ext::tft_reset()
king33jp 0:65f206d9f71f 109 {
king33jp 0:65f206d9f71f 110 _spi.format(8,3); // 8 bit spi mode 3
king33jp 0:65f206d9f71f 111 _spi.frequency(10000000); // 10 Mhz SPI clock
king33jp 0:65f206d9f71f 112 _cs = 1; // cs high
king33jp 0:65f206d9f71f 113 _dc = 1; // dc high
king33jp 0:65f206d9f71f 114 if (_reset != NC)
king33jp 0:65f206d9f71f 115 {
king33jp 0:65f206d9f71f 116 DigitalOut rst(_reset);
king33jp 0:65f206d9f71f 117 rst = 0; // display reset
king33jp 0:65f206d9f71f 118 wait_us(50);
king33jp 0:65f206d9f71f 119 rst = 1; // end hardware reset
king33jp 0:65f206d9f71f 120 }
king33jp 0:65f206d9f71f 121 wait_ms(5);
king33jp 0:65f206d9f71f 122
king33jp 0:65f206d9f71f 123 wr_cmd(0x01); // SW reset
king33jp 0:65f206d9f71f 124 wait_ms(5);
king33jp 0:65f206d9f71f 125 wr_cmd(0x28); // display off
king33jp 0:65f206d9f71f 126
king33jp 0:65f206d9f71f 127 /* Start Initial Sequence ----------------------------------------------------*/
king33jp 0:65f206d9f71f 128 wr_cmd(0xCF);
king33jp 0:65f206d9f71f 129 _spi.write(0x00);
king33jp 0:65f206d9f71f 130 _spi.write(0x83);
king33jp 0:65f206d9f71f 131 _spi.write(0x30);
king33jp 0:65f206d9f71f 132 _cs = 1;
king33jp 0:65f206d9f71f 133
king33jp 0:65f206d9f71f 134 wr_cmd(0xED);
king33jp 0:65f206d9f71f 135 _spi.write(0x64);
king33jp 0:65f206d9f71f 136 _spi.write(0x03);
king33jp 0:65f206d9f71f 137 _spi.write(0x12);
king33jp 0:65f206d9f71f 138 _spi.write(0x81);
king33jp 0:65f206d9f71f 139 _cs = 1;
king33jp 0:65f206d9f71f 140
king33jp 0:65f206d9f71f 141 wr_cmd(0xE8);
king33jp 0:65f206d9f71f 142 _spi.write(0x85);
king33jp 0:65f206d9f71f 143 _spi.write(0x01);
king33jp 0:65f206d9f71f 144 _spi.write(0x79);
king33jp 0:65f206d9f71f 145 _cs = 1;
king33jp 0:65f206d9f71f 146
king33jp 0:65f206d9f71f 147 wr_cmd(0xCB);
king33jp 0:65f206d9f71f 148 _spi.write(0x39);
king33jp 0:65f206d9f71f 149 _spi.write(0x2C);
king33jp 0:65f206d9f71f 150 _spi.write(0x00);
king33jp 0:65f206d9f71f 151 _spi.write(0x34);
king33jp 0:65f206d9f71f 152 _spi.write(0x02);
king33jp 0:65f206d9f71f 153 _cs = 1;
king33jp 0:65f206d9f71f 154
king33jp 0:65f206d9f71f 155 wr_cmd(0xF7);
king33jp 0:65f206d9f71f 156 _spi.write(0x20);
king33jp 0:65f206d9f71f 157 _cs = 1;
king33jp 0:65f206d9f71f 158
king33jp 0:65f206d9f71f 159 wr_cmd(0xEA);
king33jp 0:65f206d9f71f 160 _spi.write(0x00);
king33jp 0:65f206d9f71f 161 _spi.write(0x00);
king33jp 0:65f206d9f71f 162 _cs = 1;
king33jp 0:65f206d9f71f 163
king33jp 0:65f206d9f71f 164 wr_cmd(0xC0); // POWER_CONTROL_1
king33jp 0:65f206d9f71f 165 _spi.write(0x26);
king33jp 0:65f206d9f71f 166 _cs = 1;
king33jp 0:65f206d9f71f 167
king33jp 0:65f206d9f71f 168 wr_cmd(0xC1); // POWER_CONTROL_2
king33jp 0:65f206d9f71f 169 _spi.write(0x11);
king33jp 0:65f206d9f71f 170 _cs = 1;
king33jp 0:65f206d9f71f 171
king33jp 0:65f206d9f71f 172 wr_cmd(0xC5); // VCOM_CONTROL_1
king33jp 0:65f206d9f71f 173 _spi.write(0x35);
king33jp 0:65f206d9f71f 174 _spi.write(0x3E);
king33jp 0:65f206d9f71f 175 _cs = 1;
king33jp 0:65f206d9f71f 176
king33jp 0:65f206d9f71f 177 wr_cmd(0xC7); // VCOM_CONTROL_2
king33jp 0:65f206d9f71f 178 _spi.write(0xBE);
king33jp 0:65f206d9f71f 179 _cs = 1;
king33jp 0:65f206d9f71f 180
king33jp 0:65f206d9f71f 181 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
king33jp 0:65f206d9f71f 182 _spi.write(0x48);
king33jp 0:65f206d9f71f 183 _cs = 1;
king33jp 0:65f206d9f71f 184
king33jp 0:65f206d9f71f 185 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
king33jp 0:65f206d9f71f 186 _spi.write(0x55); // 16 bit pixel
king33jp 0:65f206d9f71f 187 _cs = 1;
king33jp 0:65f206d9f71f 188
king33jp 0:65f206d9f71f 189 wr_cmd(0xB1); // Frame Rate
king33jp 0:65f206d9f71f 190 _spi.write(0x00);
king33jp 0:65f206d9f71f 191 _spi.write(0x1B);
king33jp 0:65f206d9f71f 192 _cs = 1;
king33jp 0:65f206d9f71f 193
king33jp 0:65f206d9f71f 194 wr_cmd(0xF2); // Gamma Function Disable
king33jp 0:65f206d9f71f 195 _spi.write(0x08);
king33jp 0:65f206d9f71f 196 _cs = 1;
king33jp 0:65f206d9f71f 197
king33jp 0:65f206d9f71f 198 wr_cmd(0x26);
king33jp 0:65f206d9f71f 199 _spi.write(0x01); // gamma set for curve 01/2/04/08
king33jp 0:65f206d9f71f 200 _cs = 1;
king33jp 0:65f206d9f71f 201
king33jp 0:65f206d9f71f 202 wr_cmd(0xE0); // positive gamma correction
king33jp 0:65f206d9f71f 203 _spi.write(0x1F);
king33jp 0:65f206d9f71f 204 _spi.write(0x1A);
king33jp 0:65f206d9f71f 205 _spi.write(0x18);
king33jp 0:65f206d9f71f 206 _spi.write(0x0A);
king33jp 0:65f206d9f71f 207 _spi.write(0x0F);
king33jp 0:65f206d9f71f 208 _spi.write(0x06);
king33jp 0:65f206d9f71f 209 _spi.write(0x45);
king33jp 0:65f206d9f71f 210 _spi.write(0x87);
king33jp 0:65f206d9f71f 211 _spi.write(0x32);
king33jp 0:65f206d9f71f 212 _spi.write(0x0A);
king33jp 0:65f206d9f71f 213 _spi.write(0x07);
king33jp 0:65f206d9f71f 214 _spi.write(0x02);
king33jp 0:65f206d9f71f 215 _spi.write(0x07);
king33jp 0:65f206d9f71f 216 _spi.write(0x05);
king33jp 0:65f206d9f71f 217 _spi.write(0x00);
king33jp 0:65f206d9f71f 218 _cs = 1;
king33jp 0:65f206d9f71f 219
king33jp 0:65f206d9f71f 220 wr_cmd(0xE1); // negativ gamma correction
king33jp 0:65f206d9f71f 221 _spi.write(0x00);
king33jp 0:65f206d9f71f 222 _spi.write(0x25);
king33jp 0:65f206d9f71f 223 _spi.write(0x27);
king33jp 0:65f206d9f71f 224 _spi.write(0x05);
king33jp 0:65f206d9f71f 225 _spi.write(0x10);
king33jp 0:65f206d9f71f 226 _spi.write(0x09);
king33jp 0:65f206d9f71f 227 _spi.write(0x3A);
king33jp 0:65f206d9f71f 228 _spi.write(0x78);
king33jp 0:65f206d9f71f 229 _spi.write(0x4D);
king33jp 0:65f206d9f71f 230 _spi.write(0x05);
king33jp 0:65f206d9f71f 231 _spi.write(0x18);
king33jp 0:65f206d9f71f 232 _spi.write(0x0D);
king33jp 0:65f206d9f71f 233 _spi.write(0x38);
king33jp 0:65f206d9f71f 234 _spi.write(0x3A);
king33jp 0:65f206d9f71f 235 _spi.write(0x1F);
king33jp 0:65f206d9f71f 236 _cs = 1;
king33jp 0:65f206d9f71f 237
king33jp 0:65f206d9f71f 238 WindowMax ();
king33jp 0:65f206d9f71f 239
king33jp 0:65f206d9f71f 240 //wr_cmd(0x34); // tearing effect off
king33jp 0:65f206d9f71f 241 //_cs = 1;
king33jp 0:65f206d9f71f 242
king33jp 0:65f206d9f71f 243 //wr_cmd(0x35); // tearing effect on
king33jp 0:65f206d9f71f 244 //_cs = 1;
king33jp 0:65f206d9f71f 245
king33jp 0:65f206d9f71f 246 wr_cmd(0xB7); // entry mode
king33jp 0:65f206d9f71f 247 _spi.write(0x07);
king33jp 0:65f206d9f71f 248 _cs = 1;
king33jp 0:65f206d9f71f 249
king33jp 0:65f206d9f71f 250 wr_cmd(0xB6); // display function control
king33jp 0:65f206d9f71f 251 _spi.write(0x0A);
king33jp 0:65f206d9f71f 252 _spi.write(0x82);
king33jp 0:65f206d9f71f 253 _spi.write(0x27);
king33jp 0:65f206d9f71f 254 _spi.write(0x00);
king33jp 0:65f206d9f71f 255 _cs = 1;
king33jp 0:65f206d9f71f 256
king33jp 0:65f206d9f71f 257 wr_cmd(0x11); // sleep out
king33jp 0:65f206d9f71f 258 _cs = 1;
king33jp 0:65f206d9f71f 259
king33jp 0:65f206d9f71f 260 wait_ms(100);
king33jp 0:65f206d9f71f 261
king33jp 0:65f206d9f71f 262 wr_cmd(0x29); // display on
king33jp 0:65f206d9f71f 263 _cs = 1;
king33jp 0:65f206d9f71f 264
king33jp 0:65f206d9f71f 265 wait_ms(100);
king33jp 0:65f206d9f71f 266
king33jp 0:65f206d9f71f 267 }
king33jp 0:65f206d9f71f 268
king33jp 0:65f206d9f71f 269
king33jp 0:65f206d9f71f 270 void SPI_TFT_ILI9341ext::pixel(int x, int y, int color)
king33jp 0:65f206d9f71f 271 {
king33jp 0:65f206d9f71f 272 wr_cmd(0x2A);
king33jp 0:65f206d9f71f 273 _spi.write(x >> 8);
king33jp 0:65f206d9f71f 274 _spi.write(x);
king33jp 0:65f206d9f71f 275 _cs = 1;
king33jp 0:65f206d9f71f 276 wr_cmd(0x2B);
king33jp 0:65f206d9f71f 277 _spi.write(y >> 8);
king33jp 0:65f206d9f71f 278 _spi.write(y);
king33jp 0:65f206d9f71f 279 _cs = 1;
king33jp 0:65f206d9f71f 280 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 281 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 282 _spi.write(color >> 8);
king33jp 0:65f206d9f71f 283 _spi.write(color & 0xff);
king33jp 0:65f206d9f71f 284 #else
king33jp 0:65f206d9f71f 285 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 286 _spi.write(color); // Write D0..D15
king33jp 0:65f206d9f71f 287 _spi.format(8,3);
king33jp 0:65f206d9f71f 288 #endif
king33jp 0:65f206d9f71f 289 _cs = 1;
king33jp 0:65f206d9f71f 290 }
king33jp 0:65f206d9f71f 291
king33jp 0:65f206d9f71f 292
king33jp 0:65f206d9f71f 293 void SPI_TFT_ILI9341ext::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
king33jp 0:65f206d9f71f 294 {
king33jp 0:65f206d9f71f 295 wr_cmd(0x2A);
king33jp 0:65f206d9f71f 296 _spi.write(x >> 8);
king33jp 0:65f206d9f71f 297 _spi.write(x);
king33jp 0:65f206d9f71f 298 _spi.write((x+w-1) >> 8);
king33jp 0:65f206d9f71f 299 _spi.write(x+w-1);
king33jp 0:65f206d9f71f 300
king33jp 0:65f206d9f71f 301 _cs = 1;
king33jp 0:65f206d9f71f 302 wr_cmd(0x2B);
king33jp 0:65f206d9f71f 303 _spi.write(y >> 8);
king33jp 0:65f206d9f71f 304 _spi.write(y);
king33jp 0:65f206d9f71f 305 _spi.write((y+h-1) >> 8);
king33jp 0:65f206d9f71f 306 _spi.write(y+h-1);
king33jp 0:65f206d9f71f 307 _cs = 1;
king33jp 0:65f206d9f71f 308 }
king33jp 0:65f206d9f71f 309
king33jp 0:65f206d9f71f 310
king33jp 0:65f206d9f71f 311 void SPI_TFT_ILI9341ext::WindowMax (void)
king33jp 0:65f206d9f71f 312 {
king33jp 0:65f206d9f71f 313 window (0, 0, width(), height());
king33jp 0:65f206d9f71f 314 }
king33jp 0:65f206d9f71f 315
king33jp 0:65f206d9f71f 316
king33jp 0:65f206d9f71f 317
king33jp 0:65f206d9f71f 318 void SPI_TFT_ILI9341ext::cls (void)
king33jp 0:65f206d9f71f 319 {
king33jp 0:65f206d9f71f 320 int pixel = ( width() * height());
king33jp 0:65f206d9f71f 321 WindowMax();
king33jp 0:65f206d9f71f 322 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 323 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 324 unsigned int i;
king33jp 0:65f206d9f71f 325 for (i = 0; i < ( width() * height()); i++){
king33jp 0:65f206d9f71f 326 _spi.write(_background >> 8);
king33jp 0:65f206d9f71f 327 _spi.write(_background & 0xff);
king33jp 0:65f206d9f71f 328 }
king33jp 0:65f206d9f71f 329
king33jp 0:65f206d9f71f 330 #else
king33jp 0:65f206d9f71f 331 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 332 unsigned int i;
king33jp 0:65f206d9f71f 333 for (i = 0; i < ( width() * height()); i++)
king33jp 0:65f206d9f71f 334 _spi.write(_background);
king33jp 0:65f206d9f71f 335 _spi.format(8,3);
king33jp 0:65f206d9f71f 336 #endif
king33jp 0:65f206d9f71f 337 _cs = 1;
king33jp 0:65f206d9f71f 338 }
king33jp 0:65f206d9f71f 339
king33jp 0:65f206d9f71f 340
king33jp 0:65f206d9f71f 341 void SPI_TFT_ILI9341ext::circle(int x0, int y0, int r, int color)
king33jp 0:65f206d9f71f 342 {
king33jp 0:65f206d9f71f 343
king33jp 0:65f206d9f71f 344 int x = -r, y = 0, err = 2-2*r, e2;
king33jp 0:65f206d9f71f 345 do {
king33jp 0:65f206d9f71f 346 pixel(x0-x, y0+y,color);
king33jp 0:65f206d9f71f 347 pixel(x0+x, y0+y,color);
king33jp 0:65f206d9f71f 348 pixel(x0+x, y0-y,color);
king33jp 0:65f206d9f71f 349 pixel(x0-x, y0-y,color);
king33jp 0:65f206d9f71f 350 e2 = err;
king33jp 0:65f206d9f71f 351 if (e2 <= y) {
king33jp 0:65f206d9f71f 352 err += ++y*2+1;
king33jp 0:65f206d9f71f 353 if (-x == y && e2 <= x) e2 = 0;
king33jp 0:65f206d9f71f 354 }
king33jp 0:65f206d9f71f 355 if (e2 > x) err += ++x*2+1;
king33jp 0:65f206d9f71f 356 } while (x <= 0);
king33jp 0:65f206d9f71f 357
king33jp 0:65f206d9f71f 358 }
king33jp 0:65f206d9f71f 359
king33jp 0:65f206d9f71f 360 void SPI_TFT_ILI9341ext::fillcircle(int x0, int y0, int r, int color)
king33jp 0:65f206d9f71f 361 {
king33jp 0:65f206d9f71f 362 int x = -r, y = 0, err = 2-2*r, e2;
king33jp 0:65f206d9f71f 363 do {
king33jp 0:65f206d9f71f 364 vline(x0-x, y0-y, y0+y, color);
king33jp 0:65f206d9f71f 365 vline(x0+x, y0-y, y0+y, color);
king33jp 0:65f206d9f71f 366 e2 = err;
king33jp 0:65f206d9f71f 367 if (e2 <= y) {
king33jp 0:65f206d9f71f 368 err += ++y*2+1;
king33jp 0:65f206d9f71f 369 if (-x == y && e2 <= x) e2 = 0;
king33jp 0:65f206d9f71f 370 }
king33jp 0:65f206d9f71f 371 if (e2 > x) err += ++x*2+1;
king33jp 0:65f206d9f71f 372 } while (x <= 0);
king33jp 0:65f206d9f71f 373 }
king33jp 0:65f206d9f71f 374
king33jp 0:65f206d9f71f 375
king33jp 0:65f206d9f71f 376 void SPI_TFT_ILI9341ext::hline(int x0, int x1, int y, int color)
king33jp 0:65f206d9f71f 377 {
king33jp 0:65f206d9f71f 378 int w;
king33jp 0:65f206d9f71f 379 w = x1 - x0 + 1;
king33jp 0:65f206d9f71f 380 window(x0,y,w,1);
king33jp 0:65f206d9f71f 381 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 382 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 383 int j;
king33jp 0:65f206d9f71f 384 for (j=0; j<w; j++) {
king33jp 0:65f206d9f71f 385 _spi.write(color >> 8);
king33jp 0:65f206d9f71f 386 _spi.write(color & 0xff);
king33jp 0:65f206d9f71f 387 }
king33jp 0:65f206d9f71f 388 #else
king33jp 0:65f206d9f71f 389 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 390 int j;
king33jp 0:65f206d9f71f 391 for (j=0; j<w; j++) {
king33jp 0:65f206d9f71f 392 _spi.write(color);
king33jp 0:65f206d9f71f 393 }
king33jp 0:65f206d9f71f 394 _spi.format(8,3);
king33jp 0:65f206d9f71f 395 #endif
king33jp 0:65f206d9f71f 396 _cs = 1;
king33jp 0:65f206d9f71f 397 WindowMax();
king33jp 0:65f206d9f71f 398 return;
king33jp 0:65f206d9f71f 399 }
king33jp 0:65f206d9f71f 400
king33jp 0:65f206d9f71f 401 void SPI_TFT_ILI9341ext::vline(int x, int y0, int y1, int color)
king33jp 0:65f206d9f71f 402 {
king33jp 0:65f206d9f71f 403 int h;
king33jp 0:65f206d9f71f 404 h = y1 - y0 + 1;
king33jp 0:65f206d9f71f 405 window(x,y0,1,h);
king33jp 0:65f206d9f71f 406 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 407 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 408 for (int y=0; y<h; y++) {
king33jp 0:65f206d9f71f 409 _spi.write(color >> 8);
king33jp 0:65f206d9f71f 410 _spi.write(color & 0xff);
king33jp 0:65f206d9f71f 411 }
king33jp 0:65f206d9f71f 412 #else
king33jp 0:65f206d9f71f 413 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 414 for (int y=0; y<h; y++) {
king33jp 0:65f206d9f71f 415 _spi.write(color);
king33jp 0:65f206d9f71f 416 }
king33jp 0:65f206d9f71f 417 _spi.format(8,3);
king33jp 0:65f206d9f71f 418 #endif
king33jp 0:65f206d9f71f 419 _cs = 1;
king33jp 0:65f206d9f71f 420 WindowMax();
king33jp 0:65f206d9f71f 421 return;
king33jp 0:65f206d9f71f 422 }
king33jp 0:65f206d9f71f 423
king33jp 0:65f206d9f71f 424
king33jp 0:65f206d9f71f 425
king33jp 0:65f206d9f71f 426 void SPI_TFT_ILI9341ext::line(int x0, int y0, int x1, int y1, int color)
king33jp 0:65f206d9f71f 427 {
king33jp 0:65f206d9f71f 428 //WindowMax();
king33jp 0:65f206d9f71f 429 int dx = 0, dy = 0;
king33jp 0:65f206d9f71f 430 int dx_sym = 0, dy_sym = 0;
king33jp 0:65f206d9f71f 431 int dx_x2 = 0, dy_x2 = 0;
king33jp 0:65f206d9f71f 432 int di = 0;
king33jp 0:65f206d9f71f 433
king33jp 0:65f206d9f71f 434 dx = x1-x0;
king33jp 0:65f206d9f71f 435 dy = y1-y0;
king33jp 0:65f206d9f71f 436
king33jp 0:65f206d9f71f 437 if (dx == 0) { /* vertical line */
king33jp 0:65f206d9f71f 438 if (y1 > y0) vline(x0,y0,y1,color);
king33jp 0:65f206d9f71f 439 else vline(x0,y1,y0,color);
king33jp 0:65f206d9f71f 440 return;
king33jp 0:65f206d9f71f 441 }
king33jp 0:65f206d9f71f 442
king33jp 0:65f206d9f71f 443 if (dx > 0) {
king33jp 0:65f206d9f71f 444 dx_sym = 1;
king33jp 0:65f206d9f71f 445 } else {
king33jp 0:65f206d9f71f 446 dx_sym = -1;
king33jp 0:65f206d9f71f 447 }
king33jp 0:65f206d9f71f 448 if (dy == 0) { /* horizontal line */
king33jp 0:65f206d9f71f 449 if (x1 > x0) hline(x0,x1,y0,color);
king33jp 0:65f206d9f71f 450 else hline(x1,x0,y0,color);
king33jp 0:65f206d9f71f 451 return;
king33jp 0:65f206d9f71f 452 }
king33jp 0:65f206d9f71f 453
king33jp 0:65f206d9f71f 454 if (dy > 0) {
king33jp 0:65f206d9f71f 455 dy_sym = 1;
king33jp 0:65f206d9f71f 456 } else {
king33jp 0:65f206d9f71f 457 dy_sym = -1;
king33jp 0:65f206d9f71f 458 }
king33jp 0:65f206d9f71f 459
king33jp 0:65f206d9f71f 460 dx = dx_sym*dx;
king33jp 0:65f206d9f71f 461 dy = dy_sym*dy;
king33jp 0:65f206d9f71f 462
king33jp 0:65f206d9f71f 463 dx_x2 = dx*2;
king33jp 0:65f206d9f71f 464 dy_x2 = dy*2;
king33jp 0:65f206d9f71f 465
king33jp 0:65f206d9f71f 466 if (dx >= dy) {
king33jp 0:65f206d9f71f 467 di = dy_x2 - dx;
king33jp 0:65f206d9f71f 468 while (x0 != x1) {
king33jp 0:65f206d9f71f 469
king33jp 0:65f206d9f71f 470 pixel(x0, y0, color);
king33jp 0:65f206d9f71f 471 x0 += dx_sym;
king33jp 0:65f206d9f71f 472 if (di<0) {
king33jp 0:65f206d9f71f 473 di += dy_x2;
king33jp 0:65f206d9f71f 474 } else {
king33jp 0:65f206d9f71f 475 di += dy_x2 - dx_x2;
king33jp 0:65f206d9f71f 476 y0 += dy_sym;
king33jp 0:65f206d9f71f 477 }
king33jp 0:65f206d9f71f 478 }
king33jp 0:65f206d9f71f 479 pixel(x0, y0, color);
king33jp 0:65f206d9f71f 480 } else {
king33jp 0:65f206d9f71f 481 di = dx_x2 - dy;
king33jp 0:65f206d9f71f 482 while (y0 != y1) {
king33jp 0:65f206d9f71f 483 pixel(x0, y0, color);
king33jp 0:65f206d9f71f 484 y0 += dy_sym;
king33jp 0:65f206d9f71f 485 if (di < 0) {
king33jp 0:65f206d9f71f 486 di += dx_x2;
king33jp 0:65f206d9f71f 487 } else {
king33jp 0:65f206d9f71f 488 di += dx_x2 - dy_x2;
king33jp 0:65f206d9f71f 489 x0 += dx_sym;
king33jp 0:65f206d9f71f 490 }
king33jp 0:65f206d9f71f 491 }
king33jp 0:65f206d9f71f 492 pixel(x0, y0, color);
king33jp 0:65f206d9f71f 493 }
king33jp 0:65f206d9f71f 494 return;
king33jp 0:65f206d9f71f 495 }
king33jp 0:65f206d9f71f 496
king33jp 0:65f206d9f71f 497
king33jp 0:65f206d9f71f 498 void SPI_TFT_ILI9341ext::rect(int x0, int y0, int x1, int y1, int color)
king33jp 0:65f206d9f71f 499 {
king33jp 0:65f206d9f71f 500
king33jp 0:65f206d9f71f 501 if (x1 > x0) hline(x0,x1,y0,color);
king33jp 0:65f206d9f71f 502 else hline(x1,x0,y0,color);
king33jp 0:65f206d9f71f 503
king33jp 0:65f206d9f71f 504 if (y1 > y0) vline(x0,y0,y1,color);
king33jp 0:65f206d9f71f 505 else vline(x0,y1,y0,color);
king33jp 0:65f206d9f71f 506
king33jp 0:65f206d9f71f 507 if (x1 > x0) hline(x0,x1,y1,color);
king33jp 0:65f206d9f71f 508 else hline(x1,x0,y1,color);
king33jp 0:65f206d9f71f 509
king33jp 0:65f206d9f71f 510 if (y1 > y0) vline(x1,y0,y1,color);
king33jp 0:65f206d9f71f 511 else vline(x1,y1,y0,color);
king33jp 0:65f206d9f71f 512
king33jp 0:65f206d9f71f 513 return;
king33jp 0:65f206d9f71f 514 }
king33jp 0:65f206d9f71f 515
king33jp 0:65f206d9f71f 516
king33jp 0:65f206d9f71f 517
king33jp 0:65f206d9f71f 518 void SPI_TFT_ILI9341ext::fillrect(int x0, int y0, int x1, int y1, int color)
king33jp 0:65f206d9f71f 519 {
king33jp 0:65f206d9f71f 520
king33jp 0:65f206d9f71f 521 int h = y1 - y0 + 1;
king33jp 0:65f206d9f71f 522 int w = x1 - x0 + 1;
king33jp 0:65f206d9f71f 523 int pixel = h * w;
king33jp 0:65f206d9f71f 524 window(x0,y0,w,h);
king33jp 0:65f206d9f71f 525 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 526 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 527 for (int p=0; p<pixel; p++) {
king33jp 0:65f206d9f71f 528 _spi.write(color >> 8);
king33jp 0:65f206d9f71f 529 _spi.write(color & 0xff);
king33jp 0:65f206d9f71f 530 }
king33jp 0:65f206d9f71f 531 #else
king33jp 0:65f206d9f71f 532 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 533 for (int p=0; p<pixel; p++) {
king33jp 0:65f206d9f71f 534 _spi.write(color);
king33jp 0:65f206d9f71f 535 }
king33jp 0:65f206d9f71f 536 _spi.format(8,3);
king33jp 0:65f206d9f71f 537 #endif
king33jp 0:65f206d9f71f 538 _cs = 1;
king33jp 0:65f206d9f71f 539 WindowMax();
king33jp 0:65f206d9f71f 540 return;
king33jp 0:65f206d9f71f 541 }
king33jp 0:65f206d9f71f 542
king33jp 0:65f206d9f71f 543
king33jp 0:65f206d9f71f 544 void SPI_TFT_ILI9341ext::locate(int x, int y)
king33jp 0:65f206d9f71f 545 {
king33jp 0:65f206d9f71f 546 char_x = x;
king33jp 0:65f206d9f71f 547 char_y = y;
king33jp 0:65f206d9f71f 548 }
king33jp 0:65f206d9f71f 549
king33jp 0:65f206d9f71f 550
king33jp 0:65f206d9f71f 551
king33jp 0:65f206d9f71f 552 int SPI_TFT_ILI9341ext::columns()
king33jp 0:65f206d9f71f 553 {
king33jp 0:65f206d9f71f 554 return width() / font[1];
king33jp 0:65f206d9f71f 555 }
king33jp 0:65f206d9f71f 556
king33jp 0:65f206d9f71f 557
king33jp 0:65f206d9f71f 558
king33jp 0:65f206d9f71f 559 int SPI_TFT_ILI9341ext::rows()
king33jp 0:65f206d9f71f 560 {
king33jp 0:65f206d9f71f 561 return height() / font[2];
king33jp 0:65f206d9f71f 562 }
king33jp 0:65f206d9f71f 563
king33jp 0:65f206d9f71f 564
king33jp 0:65f206d9f71f 565
king33jp 0:65f206d9f71f 566 int SPI_TFT_ILI9341ext::_putc(int value)
king33jp 0:65f206d9f71f 567 {
king33jp 0:65f206d9f71f 568 if (value == '\n') { // new line
king33jp 0:65f206d9f71f 569 char_x = 0;
king33jp 0:65f206d9f71f 570 char_y = char_y + font[2];
king33jp 0:65f206d9f71f 571 if (char_y >= height() - font[2]) {
king33jp 0:65f206d9f71f 572 char_y = 0;
king33jp 0:65f206d9f71f 573 }
king33jp 0:65f206d9f71f 574 } else {
king33jp 0:65f206d9f71f 575 character(char_x, char_y, value);
king33jp 0:65f206d9f71f 576 }
king33jp 0:65f206d9f71f 577 return value;
king33jp 0:65f206d9f71f 578 }
king33jp 0:65f206d9f71f 579
king33jp 0:65f206d9f71f 580
king33jp 0:65f206d9f71f 581 void SPI_TFT_ILI9341ext::character(int x, int y, int c)
king33jp 0:65f206d9f71f 582 {
king33jp 0:65f206d9f71f 583 unsigned int hor,vert,offset,bpl,j,i,b;
king33jp 0:65f206d9f71f 584 unsigned char* zeichen;
king33jp 0:65f206d9f71f 585 unsigned char z,w;
king33jp 0:65f206d9f71f 586
king33jp 0:65f206d9f71f 587 if ((c < 31) || (c > 156)) return; // test char range
king33jp 0:65f206d9f71f 588
king33jp 0:65f206d9f71f 589 // read font parameter from start of array
king33jp 0:65f206d9f71f 590 offset = font[0]; // bytes / char
king33jp 0:65f206d9f71f 591 hor = font[1]; // get hor size of font
king33jp 0:65f206d9f71f 592 vert = font[2]; // get vert size of font
king33jp 0:65f206d9f71f 593 bpl = font[3]; // bytes per line
king33jp 0:65f206d9f71f 594
king33jp 0:65f206d9f71f 595 if (char_x + hor > width()) {
king33jp 0:65f206d9f71f 596 char_x = 0;
king33jp 0:65f206d9f71f 597 char_y = char_y + vert;
king33jp 0:65f206d9f71f 598 if (char_y >= height() - font[2]) {
king33jp 0:65f206d9f71f 599 char_y = 0;
king33jp 0:65f206d9f71f 600 }
king33jp 0:65f206d9f71f 601 }
king33jp 0:65f206d9f71f 602 window(char_x, char_y,hor,vert); // char box
king33jp 0:65f206d9f71f 603 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 604 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 605 _spi.format(16,3);
king33jp 0:65f206d9f71f 606 #endif // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 607 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
king33jp 0:65f206d9f71f 608 w = zeichen[0]; // width of actual char
king33jp 0:65f206d9f71f 609 for (j=0; j<vert; j++) { // vert line
king33jp 0:65f206d9f71f 610 for (i=0; i<hor; i++) { // horz line
king33jp 0:65f206d9f71f 611 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
king33jp 0:65f206d9f71f 612 b = 1 << (j & 0x07);
king33jp 0:65f206d9f71f 613 if (( z & b ) == 0x00) {
king33jp 0:65f206d9f71f 614 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 615 _spi.write(_background);
king33jp 0:65f206d9f71f 616 #else
king33jp 0:65f206d9f71f 617 _spi.write(_background >> 8);
king33jp 0:65f206d9f71f 618 _spi.write(_background & 0xff);
king33jp 0:65f206d9f71f 619 #endif
king33jp 0:65f206d9f71f 620 } else {
king33jp 0:65f206d9f71f 621 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 622 _spi.write(_foreground);
king33jp 0:65f206d9f71f 623 #else
king33jp 0:65f206d9f71f 624 _spi.write(_foreground >> 8);
king33jp 0:65f206d9f71f 625 _spi.write(_foreground & 0xff);
king33jp 0:65f206d9f71f 626 #endif
king33jp 0:65f206d9f71f 627 }
king33jp 0:65f206d9f71f 628 }
king33jp 0:65f206d9f71f 629 }
king33jp 0:65f206d9f71f 630 _cs = 1;
king33jp 0:65f206d9f71f 631 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 632 _spi.format(8,3);
king33jp 0:65f206d9f71f 633 #endif
king33jp 0:65f206d9f71f 634 WindowMax();
king33jp 0:65f206d9f71f 635 if ((w + 2) < hor) { // x offset to next char
king33jp 0:65f206d9f71f 636 char_x += w + 2;
king33jp 0:65f206d9f71f 637 } else char_x += hor;
king33jp 0:65f206d9f71f 638 }
king33jp 0:65f206d9f71f 639
king33jp 0:65f206d9f71f 640
king33jp 0:65f206d9f71f 641 void SPI_TFT_ILI9341ext::set_font(unsigned char* f)
king33jp 0:65f206d9f71f 642 {
king33jp 0:65f206d9f71f 643 font = f;
king33jp 0:65f206d9f71f 644 }
king33jp 0:65f206d9f71f 645
king33jp 0:65f206d9f71f 646
king33jp 0:65f206d9f71f 647
king33jp 0:65f206d9f71f 648 void SPI_TFT_ILI9341ext::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
king33jp 0:65f206d9f71f 649 {
king33jp 0:65f206d9f71f 650 unsigned int j;
king33jp 0:65f206d9f71f 651 int padd;
king33jp 0:65f206d9f71f 652 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
king33jp 0:65f206d9f71f 653 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 654 unsigned short pix_temp;
king33jp 0:65f206d9f71f 655 #endif
king33jp 0:65f206d9f71f 656
king33jp 0:65f206d9f71f 657 unsigned int i;
king33jp 0:65f206d9f71f 658
king33jp 0:65f206d9f71f 659 // the lines are padded to multiple of 4 bytes in a bitmap
king33jp 0:65f206d9f71f 660 padd = -1;
king33jp 0:65f206d9f71f 661 do {
king33jp 0:65f206d9f71f 662 padd ++;
king33jp 0:65f206d9f71f 663 } while (2*(w + padd)%4 != 0);
king33jp 0:65f206d9f71f 664 window(x, y, w, h);
king33jp 0:65f206d9f71f 665 bitmap_ptr += ((h - 1)* (w + padd));
king33jp 0:65f206d9f71f 666 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 667 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 668 _spi.format(16,3);
king33jp 0:65f206d9f71f 669 #endif // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 670 for (j = 0; j < h; j++) { //Lines
king33jp 0:65f206d9f71f 671 for (i = 0; i < w; i++) { // one line
king33jp 0:65f206d9f71f 672 #if defined TARGET_KL25Z // 8 Bit SPI
king33jp 0:65f206d9f71f 673 pix_temp = *bitmap_ptr;
king33jp 0:65f206d9f71f 674 _spi.write(pix_temp >> 8);
king33jp 0:65f206d9f71f 675 _spi.write(pix_temp);
king33jp 0:65f206d9f71f 676 bitmap_ptr++;
king33jp 0:65f206d9f71f 677 #else
king33jp 0:65f206d9f71f 678 _spi.write(*bitmap_ptr); // one line
king33jp 0:65f206d9f71f 679 bitmap_ptr++;
king33jp 0:65f206d9f71f 680 #endif
king33jp 0:65f206d9f71f 681 }
king33jp 0:65f206d9f71f 682 bitmap_ptr -= 2*w;
king33jp 0:65f206d9f71f 683 bitmap_ptr -= padd;
king33jp 0:65f206d9f71f 684 }
king33jp 0:65f206d9f71f 685 _cs = 1;
king33jp 0:65f206d9f71f 686 #ifndef TARGET_KL25Z // 16 Bit SPI
king33jp 0:65f206d9f71f 687 _spi.format(8,3);
king33jp 0:65f206d9f71f 688 #endif
king33jp 0:65f206d9f71f 689 WindowMax();
king33jp 0:65f206d9f71f 690 }
king33jp 0:65f206d9f71f 691
king33jp 0:65f206d9f71f 692
king33jp 0:65f206d9f71f 693 // local filesystem is not implemented in kinetis board
king33jp 0:65f206d9f71f 694 #if DEVICE_LOCALFILESYSTEM
king33jp 0:65f206d9f71f 695
king33jp 0:65f206d9f71f 696 int SPI_TFT_ILI9341ext::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
king33jp 0:65f206d9f71f 697 {
king33jp 0:65f206d9f71f 698
king33jp 0:65f206d9f71f 699 #define OffsetPixelWidth 18
king33jp 0:65f206d9f71f 700 #define OffsetPixelHeigh 22
king33jp 0:65f206d9f71f 701 #define OffsetFileSize 34
king33jp 0:65f206d9f71f 702 #define OffsetPixData 10
king33jp 0:65f206d9f71f 703 #define OffsetBPP 28
king33jp 0:65f206d9f71f 704
king33jp 0:65f206d9f71f 705 char filename[50];
king33jp 0:65f206d9f71f 706 unsigned char BMP_Header[54];
king33jp 0:65f206d9f71f 707 unsigned short BPP_t;
king33jp 0:65f206d9f71f 708 unsigned int PixelWidth,PixelHeigh,start_data;
king33jp 0:65f206d9f71f 709 unsigned int i,off;
king33jp 0:65f206d9f71f 710 int padd,j;
king33jp 0:65f206d9f71f 711 unsigned short *line;
king33jp 0:65f206d9f71f 712
king33jp 0:65f206d9f71f 713 // get the filename
king33jp 0:65f206d9f71f 714 LocalFileSystem local("local");
king33jp 0:65f206d9f71f 715 sprintf(&filename[0],"/local/");
king33jp 0:65f206d9f71f 716 i=7;
king33jp 0:65f206d9f71f 717 while (*Name_BMP!='\0') {
king33jp 0:65f206d9f71f 718 filename[i++]=*Name_BMP++;
king33jp 0:65f206d9f71f 719 }
king33jp 0:65f206d9f71f 720
king33jp 0:65f206d9f71f 721 fprintf(stderr, "filename : %s \n\r",filename);
king33jp 0:65f206d9f71f 722
king33jp 0:65f206d9f71f 723 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
king33jp 0:65f206d9f71f 724 if (!Image) {
king33jp 0:65f206d9f71f 725 return(0); // error file not found !
king33jp 0:65f206d9f71f 726 }
king33jp 0:65f206d9f71f 727
king33jp 0:65f206d9f71f 728 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
king33jp 0:65f206d9f71f 729
king33jp 0:65f206d9f71f 730 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
king33jp 0:65f206d9f71f 731 fclose(Image);
king33jp 0:65f206d9f71f 732 return(-1); // error no BMP file
king33jp 0:65f206d9f71f 733 }
king33jp 0:65f206d9f71f 734
king33jp 0:65f206d9f71f 735 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
king33jp 0:65f206d9f71f 736 if (BPP_t != 0x0010) {
king33jp 0:65f206d9f71f 737 fclose(Image);
king33jp 0:65f206d9f71f 738 return(-2); // error no 16 bit BMP
king33jp 0:65f206d9f71f 739 }
king33jp 0:65f206d9f71f 740
king33jp 0:65f206d9f71f 741 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
king33jp 0:65f206d9f71f 742 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
king33jp 0:65f206d9f71f 743 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
king33jp 0:65f206d9f71f 744 fclose(Image);
king33jp 0:65f206d9f71f 745 return(-3); // to big
king33jp 0:65f206d9f71f 746 }
king33jp 0:65f206d9f71f 747
king33jp 0:65f206d9f71f 748 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
king33jp 0:65f206d9f71f 749
king33jp 0:65f206d9f71f 750 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
king33jp 0:65f206d9f71f 751 if (line == NULL) {
king33jp 0:65f206d9f71f 752 return(-4); // error no memory
king33jp 0:65f206d9f71f 753 }
king33jp 0:65f206d9f71f 754
king33jp 0:65f206d9f71f 755 // the bmp lines are padded to multiple of 4 bytes
king33jp 0:65f206d9f71f 756 padd = -1;
king33jp 0:65f206d9f71f 757 do {
king33jp 0:65f206d9f71f 758 padd ++;
king33jp 0:65f206d9f71f 759 } while ((PixelWidth * 2 + padd)%4 != 0);
king33jp 0:65f206d9f71f 760
king33jp 0:65f206d9f71f 761
king33jp 0:65f206d9f71f 762 //fseek(Image, 70 ,SEEK_SET);
king33jp 0:65f206d9f71f 763 window(x, y,PixelWidth ,PixelHeigh);
king33jp 0:65f206d9f71f 764 wr_cmd(0x2C); // send pixel
king33jp 0:65f206d9f71f 765 _spi.format(16,3); // switch to 16 bit Mode 3
king33jp 0:65f206d9f71f 766 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
king33jp 0:65f206d9f71f 767 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
king33jp 0:65f206d9f71f 768 fseek(Image, off ,SEEK_SET);
king33jp 0:65f206d9f71f 769 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
king33jp 0:65f206d9f71f 770 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
king33jp 0:65f206d9f71f 771 _spi.write(line[i]); // one 16 bit pixel
king33jp 0:65f206d9f71f 772 }
king33jp 0:65f206d9f71f 773 }
king33jp 0:65f206d9f71f 774 _cs = 1;
king33jp 0:65f206d9f71f 775 _spi.format(8,3);
king33jp 0:65f206d9f71f 776 free (line);
king33jp 0:65f206d9f71f 777 fclose(Image);
king33jp 0:65f206d9f71f 778 WindowMax();
king33jp 0:65f206d9f71f 779 return(1);
king33jp 0:65f206d9f71f 780 }
king33jp 0:65f206d9f71f 781 #endif