Stepan Smejkal / SPI_TFT_ILI9341

Lib for the new LCD Display with ILI9341 controller

SPI_TFT_ILI9341.cpp@13:b2b3e5430f81, 2014-06-25 (annotated)

Committer:
dreschpe
Date:
Wed Jun 25 16:51:27 2014 +0000
Revision:
13:b2b3e5430f81
Parent:
12:98cc5c193ecd
Child:
14:2724838d11ed
add fast LPC1768 version

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 4:f018e272220b 15 // 18.10.13 Better Circle function from Michael Ammann
dreschpe 5:55aed13f2630 16 // 22.10.13 Fixes for Kinetis Board - 8 bit spi
dreschpe 6:fe07ae8329f7 17 // 26.01.14 Change interface for BMP_16 to also use SD-cards
dreschpe 9:423e6a952472 18 // 23.06.14 switch back to old Version - fork for L152
dreschpe 11:59eca2723ec5 19 // 24.06.14 Add compiler flag for optimized L152 version
dreschpe 12:98cc5c193ecd 20 // 25.06.14 Add optimized F103 version
dreschpe 11:59eca2723ec5 21
dreschpe 11:59eca2723ec5 22 // exclude this file for platforms with optimized version
dreschpe 13:b2b3e5430f81 23 #if defined TARGET_NUCLEO_L152RE || defined TARGET_NUCLEO_F103RB || defined TARGET_LPC1768
dreschpe 12:98cc5c193ecd 24 // this platforms are supported by special version in different source file
dreschpe 12:98cc5c193ecd 25 #else
dreschpe 0:da1bf437cbc1 26
dreschpe 0:da1bf437cbc1 27 #include "SPI_TFT_ILI9341.h"
dreschpe 0:da1bf437cbc1 28 #include "mbed.h"
dreschpe 0:da1bf437cbc1 29
dreschpe 0:da1bf437cbc1 30 #define BPP 16 // Bits per pixel
dreschpe 6:fe07ae8329f7 31
dreschpe 0:da1bf437cbc1 32 //extern Serial pc;
dreschpe 0:da1bf437cbc1 33 //extern DigitalOut xx; // debug !!
dreschpe 0:da1bf437cbc1 34
dreschpe 0:da1bf437cbc1 35 SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
dreschpe 11:59eca2723ec5 36 : GraphicsDisplay(name), SPI(mosi, miso, sclk,NC), _cs(cs), _reset(reset), _dc(dc)
dreschpe 0:da1bf437cbc1 37 {
dreschpe 11:59eca2723ec5 38
dreschpe 0:da1bf437cbc1 39 orientation = 0;
dreschpe 0:da1bf437cbc1 40 char_x = 0;
dreschpe 11:59eca2723ec5 41 SPI::format(8,3); // 8 bit spi mode 3
dreschpe 11:59eca2723ec5 42 SPI::frequency(10000000); // 10 Mhz SPI clock
dreschpe 0:da1bf437cbc1 43 tft_reset();
dreschpe 0:da1bf437cbc1 44 }
dreschpe 0:da1bf437cbc1 45
dreschpe 0:da1bf437cbc1 46 int SPI_TFT_ILI9341::width()
dreschpe 0:da1bf437cbc1 47 {
dreschpe 0:da1bf437cbc1 48 if (orientation == 0 || orientation == 2) return 240;
dreschpe 0:da1bf437cbc1 49 else return 320;
dreschpe 0:da1bf437cbc1 50 }
dreschpe 0:da1bf437cbc1 51
dreschpe 0:da1bf437cbc1 52
dreschpe 0:da1bf437cbc1 53 int SPI_TFT_ILI9341::height()
dreschpe 0:da1bf437cbc1 54 {
dreschpe 0:da1bf437cbc1 55 if (orientation == 0 || orientation == 2) return 320;
dreschpe 0:da1bf437cbc1 56 else return 240;
dreschpe 0:da1bf437cbc1 57 }
dreschpe 0:da1bf437cbc1 58
dreschpe 0:da1bf437cbc1 59
dreschpe 2:0a16083193a4 60 void SPI_TFT_ILI9341::set_orientation(unsigned int o)
dreschpe 0:da1bf437cbc1 61 {
dreschpe 0:da1bf437cbc1 62 orientation = o;
dreschpe 2:0a16083193a4 63 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
dreschpe 0:da1bf437cbc1 64 switch (orientation) {
dreschpe 0:da1bf437cbc1 65 case 0:
dreschpe 11:59eca2723ec5 66 SPI::write(0x48);
dreschpe 0:da1bf437cbc1 67 break;
dreschpe 0:da1bf437cbc1 68 case 1:
dreschpe 11:59eca2723ec5 69 SPI::write(0x28);
dreschpe 0:da1bf437cbc1 70 break;
dreschpe 0:da1bf437cbc1 71 case 2:
dreschpe 11:59eca2723ec5 72 SPI::write(0x88);
dreschpe 0:da1bf437cbc1 73 break;
dreschpe 0:da1bf437cbc1 74 case 3:
dreschpe 11:59eca2723ec5 75 SPI::write(0xE8);
dreschpe 0:da1bf437cbc1 76 break;
dreschpe 0:da1bf437cbc1 77 }
dreschpe 2:0a16083193a4 78 _cs = 1;
dreschpe 0:da1bf437cbc1 79 WindowMax();
dreschpe 2:0a16083193a4 80 }
dreschpe 0:da1bf437cbc1 81
dreschpe 0:da1bf437cbc1 82
dreschpe 0:da1bf437cbc1 83 // write command to tft register
dreschpe 0:da1bf437cbc1 84
dreschpe 0:da1bf437cbc1 85 void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
dreschpe 0:da1bf437cbc1 86 {
dreschpe 0:da1bf437cbc1 87 _dc = 0;
dreschpe 0:da1bf437cbc1 88 _cs = 0;
dreschpe 11:59eca2723ec5 89 SPI::write(cmd); // mbed lib
dreschpe 0:da1bf437cbc1 90 _dc = 1;
dreschpe 0:da1bf437cbc1 91 }
dreschpe 0:da1bf437cbc1 92
dreschpe 0:da1bf437cbc1 93
dreschpe 0:da1bf437cbc1 94
dreschpe 0:da1bf437cbc1 95 void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
dreschpe 0:da1bf437cbc1 96 {
dreschpe 11:59eca2723ec5 97 SPI::write(dat); // mbed lib
dreschpe 0:da1bf437cbc1 98 }
dreschpe 0:da1bf437cbc1 99
dreschpe 0:da1bf437cbc1 100
dreschpe 0:da1bf437cbc1 101
dreschpe 6:fe07ae8329f7 102 // the ILI9341 can read
dreschpe 6:fe07ae8329f7 103
dreschpe 6:fe07ae8329f7 104 char SPI_TFT_ILI9341::rd_byte(unsigned char cmd)
dreschpe 6:fe07ae8329f7 105 {
dreschpe 6:fe07ae8329f7 106 char r;
dreschpe 6:fe07ae8329f7 107 _dc = 0;
dreschpe 6:fe07ae8329f7 108 _cs = 0;
dreschpe 11:59eca2723ec5 109 SPI::write(cmd); // mbed lib
dreschpe 6:fe07ae8329f7 110 _cs = 1;
dreschpe 11:59eca2723ec5 111 r = SPI::write(0xff);
dreschpe 6:fe07ae8329f7 112 _cs = 1;
dreschpe 6:fe07ae8329f7 113 return(r);
dreschpe 6:fe07ae8329f7 114 }
dreschpe 0:da1bf437cbc1 115
dreschpe 6:fe07ae8329f7 116 // read 32 bit
dreschpe 6:fe07ae8329f7 117 int SPI_TFT_ILI9341::rd_32(unsigned char cmd)
dreschpe 6:fe07ae8329f7 118 {
dreschpe 6:fe07ae8329f7 119 int d;
dreschpe 6:fe07ae8329f7 120 char r;
dreschpe 6:fe07ae8329f7 121 _dc = 0;
dreschpe 6:fe07ae8329f7 122 _cs = 0;
dreschpe 6:fe07ae8329f7 123 d = cmd;
dreschpe 6:fe07ae8329f7 124 d = d << 1;
dreschpe 11:59eca2723ec5 125 SPI::format(9,3); // we have to add a dummy clock cycle
dreschpe 11:59eca2723ec5 126 SPI::write(d);
dreschpe 11:59eca2723ec5 127 SPI::format(8,3);
dreschpe 6:fe07ae8329f7 128 _dc = 1;
dreschpe 11:59eca2723ec5 129 r = SPI::write(0xff);
dreschpe 6:fe07ae8329f7 130 d = r;
dreschpe 11:59eca2723ec5 131 r = SPI::write(0xff);
dreschpe 6:fe07ae8329f7 132 d = (d << 8) | r;
dreschpe 11:59eca2723ec5 133 r = SPI::write(0xff);
dreschpe 6:fe07ae8329f7 134 d = (d << 8) | r;
dreschpe 11:59eca2723ec5 135 r = SPI::write(0xff);
dreschpe 6:fe07ae8329f7 136 d = (d << 8) | r;
dreschpe 6:fe07ae8329f7 137 _cs = 1;
dreschpe 6:fe07ae8329f7 138 return(d);
dreschpe 6:fe07ae8329f7 139 }
dreschpe 0:da1bf437cbc1 140
dreschpe 6:fe07ae8329f7 141 int SPI_TFT_ILI9341::Read_ID(void){
dreschpe 6:fe07ae8329f7 142 int r;
dreschpe 6:fe07ae8329f7 143 r = rd_byte(0x0A);
dreschpe 6:fe07ae8329f7 144 r = rd_byte(0x0A);
dreschpe 6:fe07ae8329f7 145 r = rd_byte(0x0A);
dreschpe 6:fe07ae8329f7 146 r = rd_byte(0x0A);
dreschpe 6:fe07ae8329f7 147 return(r);
dreschpe 6:fe07ae8329f7 148 }
dreschpe 0:da1bf437cbc1 149
dreschpe 0:da1bf437cbc1 150
dreschpe 1:6d6125e88de7 151 // Init code based on MI0283QT datasheet
dreschpe 1:6d6125e88de7 152
dreschpe 0:da1bf437cbc1 153 void SPI_TFT_ILI9341::tft_reset()
dreschpe 0:da1bf437cbc1 154 {
dreschpe 0:da1bf437cbc1 155 _cs = 1; // cs high
dreschpe 0:da1bf437cbc1 156 _dc = 1; // dc high
dreschpe 0:da1bf437cbc1 157 _reset = 0; // display reset
dreschpe 0:da1bf437cbc1 158
dreschpe 0:da1bf437cbc1 159 wait_us(50);
dreschpe 1:6d6125e88de7 160 _reset = 1; // end hardware reset
dreschpe 0:da1bf437cbc1 161 wait_ms(5);
dreschpe 1:6d6125e88de7 162
dreschpe 1:6d6125e88de7 163 wr_cmd(0x01); // SW reset
dreschpe 1:6d6125e88de7 164 wait_ms(5);
dreschpe 1:6d6125e88de7 165 wr_cmd(0x28); // display off
dreschpe 0:da1bf437cbc1 166
dreschpe 0:da1bf437cbc1 167 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 1:6d6125e88de7 168 wr_cmd(0xCF);
dreschpe 11:59eca2723ec5 169 SPI::write(0x00);
dreschpe 11:59eca2723ec5 170 SPI::write(0x83);
dreschpe 11:59eca2723ec5 171 SPI::write(0x30);
dreschpe 1:6d6125e88de7 172 _cs = 1;
dreschpe 1:6d6125e88de7 173
dreschpe 1:6d6125e88de7 174 wr_cmd(0xED);
dreschpe 11:59eca2723ec5 175 SPI::write(0x64);
dreschpe 11:59eca2723ec5 176 SPI::write(0x03);
dreschpe 11:59eca2723ec5 177 SPI::write(0x12);
dreschpe 11:59eca2723ec5 178 SPI::write(0x81);
dreschpe 1:6d6125e88de7 179 _cs = 1;
dreschpe 1:6d6125e88de7 180
dreschpe 1:6d6125e88de7 181 wr_cmd(0xE8);
dreschpe 11:59eca2723ec5 182 SPI::write(0x85);
dreschpe 11:59eca2723ec5 183 SPI::write(0x01);
dreschpe 11:59eca2723ec5 184 SPI::write(0x79);
dreschpe 1:6d6125e88de7 185 _cs = 1;
dreschpe 1:6d6125e88de7 186
dreschpe 1:6d6125e88de7 187 wr_cmd(0xCB);
dreschpe 11:59eca2723ec5 188 SPI::write(0x39);
dreschpe 11:59eca2723ec5 189 SPI::write(0x2C);
dreschpe 11:59eca2723ec5 190 SPI::write(0x00);
dreschpe 11:59eca2723ec5 191 SPI::write(0x34);
dreschpe 11:59eca2723ec5 192 SPI::write(0x02);
dreschpe 0:da1bf437cbc1 193 _cs = 1;
dreschpe 1:6d6125e88de7 194
dreschpe 1:6d6125e88de7 195 wr_cmd(0xF7);
dreschpe 11:59eca2723ec5 196 SPI::write(0x20);
dreschpe 0:da1bf437cbc1 197 _cs = 1;
dreschpe 1:6d6125e88de7 198
dreschpe 1:6d6125e88de7 199 wr_cmd(0xEA);
dreschpe 11:59eca2723ec5 200 SPI::write(0x00);
dreschpe 11:59eca2723ec5 201 SPI::write(0x00);
dreschpe 0:da1bf437cbc1 202 _cs = 1;
dreschpe 1:6d6125e88de7 203
dreschpe 0:da1bf437cbc1 204 wr_cmd(0xC0); // POWER_CONTROL_1
dreschpe 11:59eca2723ec5 205 SPI::write(0x26);
dreschpe 0:da1bf437cbc1 206 _cs = 1;
dreschpe 1:6d6125e88de7 207
dreschpe 0:da1bf437cbc1 208 wr_cmd(0xC1); // POWER_CONTROL_2
dreschpe 11:59eca2723ec5 209 SPI::write(0x11);
dreschpe 0:da1bf437cbc1 210 _cs = 1;
dreschpe 1:6d6125e88de7 211
dreschpe 0:da1bf437cbc1 212 wr_cmd(0xC5); // VCOM_CONTROL_1
dreschpe 11:59eca2723ec5 213 SPI::write(0x35);
dreschpe 11:59eca2723ec5 214 SPI::write(0x3E);
dreschpe 0:da1bf437cbc1 215 _cs = 1;
dreschpe 1:6d6125e88de7 216
dreschpe 0:da1bf437cbc1 217 wr_cmd(0xC7); // VCOM_CONTROL_2
dreschpe 11:59eca2723ec5 218 SPI::write(0xBE);
dreschpe 0:da1bf437cbc1 219 _cs = 1;
dreschpe 1:6d6125e88de7 220
dreschpe 0:da1bf437cbc1 221 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
dreschpe 11:59eca2723ec5 222 SPI::write(0x48);
dreschpe 0:da1bf437cbc1 223 _cs = 1;
dreschpe 1:6d6125e88de7 224
dreschpe 1:6d6125e88de7 225 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
dreschpe 11:59eca2723ec5 226 SPI::write(0x55); // 16 bit pixel
dreschpe 1:6d6125e88de7 227 _cs = 1;
dreschpe 1:6d6125e88de7 228
dreschpe 1:6d6125e88de7 229 wr_cmd(0xB1); // Frame Rate
dreschpe 11:59eca2723ec5 230 SPI::write(0x00);
dreschpe 11:59eca2723ec5 231 SPI::write(0x1B);
dreschpe 1:6d6125e88de7 232 _cs = 1;
dreschpe 1:6d6125e88de7 233
dreschpe 1:6d6125e88de7 234 wr_cmd(0xF2); // Gamma Function Disable
dreschpe 11:59eca2723ec5 235 SPI::write(0x08);
dreschpe 1:6d6125e88de7 236 _cs = 1;
dreschpe 1:6d6125e88de7 237
dreschpe 1:6d6125e88de7 238 wr_cmd(0x26);
dreschpe 11:59eca2723ec5 239 SPI::write(0x01); // gamma set for curve 01/2/04/08
dreschpe 1:6d6125e88de7 240 _cs = 1;
dreschpe 1:6d6125e88de7 241
dreschpe 1:6d6125e88de7 242 wr_cmd(0xE0); // positive gamma correction
dreschpe 11:59eca2723ec5 243 SPI::write(0x1F);
dreschpe 11:59eca2723ec5 244 SPI::write(0x1A);
dreschpe 11:59eca2723ec5 245 SPI::write(0x18);
dreschpe 11:59eca2723ec5 246 SPI::write(0x0A);
dreschpe 11:59eca2723ec5 247 SPI::write(0x0F);
dreschpe 11:59eca2723ec5 248 SPI::write(0x06);
dreschpe 11:59eca2723ec5 249 SPI::write(0x45);
dreschpe 11:59eca2723ec5 250 SPI::write(0x87);
dreschpe 11:59eca2723ec5 251 SPI::write(0x32);
dreschpe 11:59eca2723ec5 252 SPI::write(0x0A);
dreschpe 11:59eca2723ec5 253 SPI::write(0x07);
dreschpe 11:59eca2723ec5 254 SPI::write(0x02);
dreschpe 11:59eca2723ec5 255 SPI::write(0x07);
dreschpe 11:59eca2723ec5 256 SPI::write(0x05);
dreschpe 11:59eca2723ec5 257 SPI::write(0x00);
dreschpe 1:6d6125e88de7 258 _cs = 1;
dreschpe 1:6d6125e88de7 259
dreschpe 1:6d6125e88de7 260 wr_cmd(0xE1); // negativ gamma correction
dreschpe 11:59eca2723ec5 261 SPI::write(0x00);
dreschpe 11:59eca2723ec5 262 SPI::write(0x25);
dreschpe 11:59eca2723ec5 263 SPI::write(0x27);
dreschpe 11:59eca2723ec5 264 SPI::write(0x05);
dreschpe 11:59eca2723ec5 265 SPI::write(0x10);
dreschpe 11:59eca2723ec5 266 SPI::write(0x09);
dreschpe 11:59eca2723ec5 267 SPI::write(0x3A);
dreschpe 11:59eca2723ec5 268 SPI::write(0x78);
dreschpe 11:59eca2723ec5 269 SPI::write(0x4D);
dreschpe 11:59eca2723ec5 270 SPI::write(0x05);
dreschpe 11:59eca2723ec5 271 SPI::write(0x18);
dreschpe 11:59eca2723ec5 272 SPI::write(0x0D);
dreschpe 11:59eca2723ec5 273 SPI::write(0x38);
dreschpe 11:59eca2723ec5 274 SPI::write(0x3A);
dreschpe 11:59eca2723ec5 275 SPI::write(0x1F);
dreschpe 1:6d6125e88de7 276 _cs = 1;
dreschpe 1:6d6125e88de7 277
dreschpe 1:6d6125e88de7 278 WindowMax ();
dreschpe 1:6d6125e88de7 279
dreschpe 1:6d6125e88de7 280 //wr_cmd(0x34); // tearing effect off
dreschpe 1:6d6125e88de7 281 //_cs = 1;
dreschpe 1:6d6125e88de7 282
dreschpe 1:6d6125e88de7 283 //wr_cmd(0x35); // tearing effect on
dreschpe 1:6d6125e88de7 284 //_cs = 1;
dreschpe 1:6d6125e88de7 285
dreschpe 1:6d6125e88de7 286 wr_cmd(0xB7); // entry mode
dreschpe 11:59eca2723ec5 287 SPI::write(0x07);
dreschpe 1:6d6125e88de7 288 _cs = 1;
dreschpe 1:6d6125e88de7 289
dreschpe 1:6d6125e88de7 290 wr_cmd(0xB6); // display function control
dreschpe 11:59eca2723ec5 291 SPI::write(0x0A);
dreschpe 11:59eca2723ec5 292 SPI::write(0x82);
dreschpe 11:59eca2723ec5 293 SPI::write(0x27);
dreschpe 11:59eca2723ec5 294 SPI::write(0x00);
dreschpe 1:6d6125e88de7 295 _cs = 1;
dreschpe 1:6d6125e88de7 296
dreschpe 1:6d6125e88de7 297 wr_cmd(0x11); // sleep out
dreschpe 1:6d6125e88de7 298 _cs = 1;
dreschpe 1:6d6125e88de7 299
dreschpe 1:6d6125e88de7 300 wait_ms(100);
dreschpe 1:6d6125e88de7 301
dreschpe 1:6d6125e88de7 302 wr_cmd(0x29); // display on
dreschpe 1:6d6125e88de7 303 _cs = 1;
dreschpe 1:6d6125e88de7 304
dreschpe 1:6d6125e88de7 305 wait_ms(100);
dreschpe 1:6d6125e88de7 306
dreschpe 1:6d6125e88de7 307 }
dreschpe 0:da1bf437cbc1 308
dreschpe 0:da1bf437cbc1 309
dreschpe 0:da1bf437cbc1 310 void SPI_TFT_ILI9341::pixel(int x, int y, int color)
dreschpe 0:da1bf437cbc1 311 {
dreschpe 0:da1bf437cbc1 312 wr_cmd(0x2A);
dreschpe 11:59eca2723ec5 313 SPI::write(x >> 8);
dreschpe 11:59eca2723ec5 314 SPI::write(x);
dreschpe 0:da1bf437cbc1 315 _cs = 1;
dreschpe 0:da1bf437cbc1 316 wr_cmd(0x2B);
dreschpe 11:59eca2723ec5 317 SPI::write(y >> 8);
dreschpe 11:59eca2723ec5 318 SPI::write(y);
dreschpe 0:da1bf437cbc1 319 _cs = 1;
dreschpe 5:55aed13f2630 320 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 321 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 11:59eca2723ec5 322 SPI::write(color >> 8);
dreschpe 11:59eca2723ec5 323 SPI::write(color & 0xff);
dreschpe 5:55aed13f2630 324 #else
dreschpe 11:59eca2723ec5 325 SPI::format(16,3); // switch to 16 bit Mode 3
dreschpe 11:59eca2723ec5 326 SPI::write(color); // Write D0..D15
dreschpe 11:59eca2723ec5 327 SPI::format(8,3);
dreschpe 5:55aed13f2630 328 #endif
dreschpe 0:da1bf437cbc1 329 _cs = 1;
dreschpe 0:da1bf437cbc1 330 }
dreschpe 0:da1bf437cbc1 331
dreschpe 0:da1bf437cbc1 332
dreschpe 0:da1bf437cbc1 333 void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
dreschpe 0:da1bf437cbc1 334 {
dreschpe 0:da1bf437cbc1 335 wr_cmd(0x2A);
dreschpe 11:59eca2723ec5 336 SPI::write(x >> 8);
dreschpe 11:59eca2723ec5 337 SPI::write(x);
dreschpe 11:59eca2723ec5 338 SPI::write((x+w-1) >> 8);
dreschpe 11:59eca2723ec5 339 SPI::write(x+w-1);
dreschpe 0:da1bf437cbc1 340
dreschpe 0:da1bf437cbc1 341 _cs = 1;
dreschpe 0:da1bf437cbc1 342 wr_cmd(0x2B);
dreschpe 11:59eca2723ec5 343 SPI::write(y >> 8);
dreschpe 11:59eca2723ec5 344 SPI::write(y);
dreschpe 11:59eca2723ec5 345 SPI::write((y+h-1) >> 8);
dreschpe 11:59eca2723ec5 346 SPI::write(y+h-1);
dreschpe 0:da1bf437cbc1 347 _cs = 1;
dreschpe 0:da1bf437cbc1 348 }
dreschpe 0:da1bf437cbc1 349
dreschpe 0:da1bf437cbc1 350
dreschpe 0:da1bf437cbc1 351 void SPI_TFT_ILI9341::WindowMax (void)
dreschpe 0:da1bf437cbc1 352 {
dreschpe 0:da1bf437cbc1 353 window (0, 0, width(), height());
dreschpe 0:da1bf437cbc1 354 }
dreschpe 0:da1bf437cbc1 355
dreschpe 0:da1bf437cbc1 356
dreschpe 0:da1bf437cbc1 357
dreschpe 0:da1bf437cbc1 358 void SPI_TFT_ILI9341::cls (void)
dreschpe 0:da1bf437cbc1 359 {
dreschpe 12:98cc5c193ecd 360 // we can use the fillrect function
dreschpe 12:98cc5c193ecd 361 fillrect(0,0,width()-1,height()-1,_background);
dreschpe 0:da1bf437cbc1 362 }
dreschpe 0:da1bf437cbc1 363
dreschpe 0:da1bf437cbc1 364
dreschpe 0:da1bf437cbc1 365 void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
dreschpe 0:da1bf437cbc1 366 {
dreschpe 0:da1bf437cbc1 367
mazgch 3:3d7298360e45 368 int x = -r, y = 0, err = 2-2*r, e2;
mazgch 3:3d7298360e45 369 do {
mazgch 3:3d7298360e45 370 pixel(x0-x, y0+y,color);
mazgch 3:3d7298360e45 371 pixel(x0+x, y0+y,color);
mazgch 3:3d7298360e45 372 pixel(x0+x, y0-y,color);
mazgch 3:3d7298360e45 373 pixel(x0-x, y0-y,color);
mazgch 3:3d7298360e45 374 e2 = err;
mazgch 3:3d7298360e45 375 if (e2 <= y) {
mazgch 3:3d7298360e45 376 err += ++y*2+1;
mazgch 3:3d7298360e45 377 if (-x == y && e2 <= x) e2 = 0;
mazgch 3:3d7298360e45 378 }
mazgch 3:3d7298360e45 379 if (e2 > x) err += ++x*2+1;
mazgch 3:3d7298360e45 380 } while (x <= 0);
dreschpe 4:f018e272220b 381
dreschpe 0:da1bf437cbc1 382 }
dreschpe 0:da1bf437cbc1 383
mazgch 3:3d7298360e45 384 void SPI_TFT_ILI9341::fillcircle(int x0, int y0, int r, int color)
dreschpe 0:da1bf437cbc1 385 {
mazgch 3:3d7298360e45 386 int x = -r, y = 0, err = 2-2*r, e2;
mazgch 3:3d7298360e45 387 do {
mazgch 3:3d7298360e45 388 vline(x0-x, y0-y, y0+y, color);
mazgch 3:3d7298360e45 389 vline(x0+x, y0-y, y0+y, color);
mazgch 3:3d7298360e45 390 e2 = err;
mazgch 3:3d7298360e45 391 if (e2 <= y) {
mazgch 3:3d7298360e45 392 err += ++y*2+1;
mazgch 3:3d7298360e45 393 if (-x == y && e2 <= x) e2 = 0;
mazgch 3:3d7298360e45 394 }
mazgch 3:3d7298360e45 395 if (e2 > x) err += ++x*2+1;
mazgch 3:3d7298360e45 396 } while (x <= 0);
dreschpe 0:da1bf437cbc1 397 }
dreschpe 0:da1bf437cbc1 398
dreschpe 0:da1bf437cbc1 399
dreschpe 0:da1bf437cbc1 400 void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
dreschpe 0:da1bf437cbc1 401 {
dreschpe 0:da1bf437cbc1 402 int w;
dreschpe 0:da1bf437cbc1 403 w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 404 window(x0,y,w,1);
dreschpe 5:55aed13f2630 405 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 406 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 5:55aed13f2630 407 int j;
dreschpe 5:55aed13f2630 408 for (j=0; j<w; j++) {
dreschpe 11:59eca2723ec5 409 SPI::write(color >> 8);
dreschpe 11:59eca2723ec5 410 SPI::write(color & 0xff);
dreschpe 5:55aed13f2630 411 }
dreschpe 5:55aed13f2630 412 #else
dreschpe 11:59eca2723ec5 413 SPI::format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 414 int j;
dreschpe 0:da1bf437cbc1 415 for (j=0; j<w; j++) {
dreschpe 11:59eca2723ec5 416 SPI::write(color);
dreschpe 0:da1bf437cbc1 417 }
dreschpe 11:59eca2723ec5 418 SPI::format(8,3);
dreschpe 5:55aed13f2630 419 #endif
dreschpe 0:da1bf437cbc1 420 _cs = 1;
dreschpe 0:da1bf437cbc1 421 WindowMax();
dreschpe 0:da1bf437cbc1 422 return;
dreschpe 0:da1bf437cbc1 423 }
dreschpe 0:da1bf437cbc1 424
dreschpe 0:da1bf437cbc1 425 void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
dreschpe 0:da1bf437cbc1 426 {
dreschpe 0:da1bf437cbc1 427 int h;
dreschpe 0:da1bf437cbc1 428 h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 429 window(x,y0,1,h);
dreschpe 5:55aed13f2630 430 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 431 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 5:55aed13f2630 432 for (int y=0; y<h; y++) {
dreschpe 11:59eca2723ec5 433 SPI::write(color >> 8);
dreschpe 11:59eca2723ec5 434 SPI::write(color & 0xff);
dreschpe 5:55aed13f2630 435 }
dreschpe 5:55aed13f2630 436 #else
dreschpe 11:59eca2723ec5 437 SPI::format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 438 for (int y=0; y<h; y++) {
dreschpe 11:59eca2723ec5 439 SPI::write(color);
dreschpe 0:da1bf437cbc1 440 }
dreschpe 11:59eca2723ec5 441 SPI::format(8,3);
dreschpe 5:55aed13f2630 442 #endif
dreschpe 0:da1bf437cbc1 443 _cs = 1;
dreschpe 0:da1bf437cbc1 444 WindowMax();
dreschpe 0:da1bf437cbc1 445 return;
dreschpe 0:da1bf437cbc1 446 }
dreschpe 0:da1bf437cbc1 447
dreschpe 0:da1bf437cbc1 448
dreschpe 0:da1bf437cbc1 449
dreschpe 0:da1bf437cbc1 450 void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 451 {
dreschpe 0:da1bf437cbc1 452 //WindowMax();
dreschpe 0:da1bf437cbc1 453 int dx = 0, dy = 0;
dreschpe 0:da1bf437cbc1 454 int dx_sym = 0, dy_sym = 0;
dreschpe 0:da1bf437cbc1 455 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:da1bf437cbc1 456 int di = 0;
dreschpe 0:da1bf437cbc1 457
dreschpe 0:da1bf437cbc1 458 dx = x1-x0;
dreschpe 0:da1bf437cbc1 459 dy = y1-y0;
dreschpe 0:da1bf437cbc1 460
dreschpe 0:da1bf437cbc1 461 if (dx == 0) { /* vertical line */
dreschpe 0:da1bf437cbc1 462 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 463 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 464 return;
dreschpe 0:da1bf437cbc1 465 }
dreschpe 0:da1bf437cbc1 466
dreschpe 0:da1bf437cbc1 467 if (dx > 0) {
dreschpe 0:da1bf437cbc1 468 dx_sym = 1;
dreschpe 0:da1bf437cbc1 469 } else {
dreschpe 0:da1bf437cbc1 470 dx_sym = -1;
dreschpe 0:da1bf437cbc1 471 }
dreschpe 0:da1bf437cbc1 472 if (dy == 0) { /* horizontal line */
dreschpe 0:da1bf437cbc1 473 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 474 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 475 return;
dreschpe 0:da1bf437cbc1 476 }
dreschpe 0:da1bf437cbc1 477
dreschpe 0:da1bf437cbc1 478 if (dy > 0) {
dreschpe 0:da1bf437cbc1 479 dy_sym = 1;
dreschpe 0:da1bf437cbc1 480 } else {
dreschpe 0:da1bf437cbc1 481 dy_sym = -1;
dreschpe 0:da1bf437cbc1 482 }
dreschpe 0:da1bf437cbc1 483
dreschpe 0:da1bf437cbc1 484 dx = dx_sym*dx;
dreschpe 0:da1bf437cbc1 485 dy = dy_sym*dy;
dreschpe 0:da1bf437cbc1 486
dreschpe 0:da1bf437cbc1 487 dx_x2 = dx*2;
dreschpe 0:da1bf437cbc1 488 dy_x2 = dy*2;
dreschpe 0:da1bf437cbc1 489
dreschpe 0:da1bf437cbc1 490 if (dx >= dy) {
dreschpe 0:da1bf437cbc1 491 di = dy_x2 - dx;
dreschpe 0:da1bf437cbc1 492 while (x0 != x1) {
dreschpe 0:da1bf437cbc1 493
dreschpe 0:da1bf437cbc1 494 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 495 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 496 if (di<0) {
dreschpe 0:da1bf437cbc1 497 di += dy_x2;
dreschpe 0:da1bf437cbc1 498 } else {
dreschpe 0:da1bf437cbc1 499 di += dy_x2 - dx_x2;
dreschpe 0:da1bf437cbc1 500 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 501 }
dreschpe 0:da1bf437cbc1 502 }
dreschpe 0:da1bf437cbc1 503 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 504 } else {
dreschpe 0:da1bf437cbc1 505 di = dx_x2 - dy;
dreschpe 0:da1bf437cbc1 506 while (y0 != y1) {
dreschpe 0:da1bf437cbc1 507 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 508 y0 += dy_sym;
dreschpe 0:da1bf437cbc1 509 if (di < 0) {
dreschpe 0:da1bf437cbc1 510 di += dx_x2;
dreschpe 0:da1bf437cbc1 511 } else {
dreschpe 0:da1bf437cbc1 512 di += dx_x2 - dy_x2;
dreschpe 0:da1bf437cbc1 513 x0 += dx_sym;
dreschpe 0:da1bf437cbc1 514 }
dreschpe 0:da1bf437cbc1 515 }
dreschpe 0:da1bf437cbc1 516 pixel(x0, y0, color);
dreschpe 0:da1bf437cbc1 517 }
dreschpe 0:da1bf437cbc1 518 return;
dreschpe 0:da1bf437cbc1 519 }
dreschpe 0:da1bf437cbc1 520
dreschpe 0:da1bf437cbc1 521
dreschpe 0:da1bf437cbc1 522 void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 523 {
dreschpe 0:da1bf437cbc1 524
dreschpe 0:da1bf437cbc1 525 if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:da1bf437cbc1 526 else hline(x1,x0,y0,color);
dreschpe 0:da1bf437cbc1 527
dreschpe 0:da1bf437cbc1 528 if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:da1bf437cbc1 529 else vline(x0,y1,y0,color);
dreschpe 0:da1bf437cbc1 530
dreschpe 0:da1bf437cbc1 531 if (x1 > x0) hline(x0,x1,y1,color);
dreschpe 0:da1bf437cbc1 532 else hline(x1,x0,y1,color);
dreschpe 0:da1bf437cbc1 533
dreschpe 0:da1bf437cbc1 534 if (y1 > y0) vline(x1,y0,y1,color);
dreschpe 0:da1bf437cbc1 535 else vline(x1,y1,y0,color);
dreschpe 0:da1bf437cbc1 536
dreschpe 0:da1bf437cbc1 537 return;
dreschpe 0:da1bf437cbc1 538 }
dreschpe 0:da1bf437cbc1 539
dreschpe 0:da1bf437cbc1 540
dreschpe 0:da1bf437cbc1 541
dreschpe 0:da1bf437cbc1 542 void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:da1bf437cbc1 543 {
dreschpe 0:da1bf437cbc1 544
dreschpe 0:da1bf437cbc1 545 int h = y1 - y0 + 1;
dreschpe 0:da1bf437cbc1 546 int w = x1 - x0 + 1;
dreschpe 0:da1bf437cbc1 547 int pixel = h * w;
dreschpe 0:da1bf437cbc1 548 window(x0,y0,w,h);
dreschpe 0:da1bf437cbc1 549 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 550 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 5:55aed13f2630 551 for (int p=0; p<pixel; p++) {
dreschpe 11:59eca2723ec5 552 SPI::write(color >> 8);
dreschpe 11:59eca2723ec5 553 SPI::write(color & 0xff);
dreschpe 5:55aed13f2630 554 }
dreschpe 5:55aed13f2630 555 #else
dreschpe 11:59eca2723ec5 556 SPI::format(16,3); // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 557 for (int p=0; p<pixel; p++) {
dreschpe 11:59eca2723ec5 558 SPI::write(color);
dreschpe 0:da1bf437cbc1 559 }
dreschpe 11:59eca2723ec5 560 SPI::format(8,3);
dreschpe 5:55aed13f2630 561 #endif
dreschpe 0:da1bf437cbc1 562 _cs = 1;
dreschpe 0:da1bf437cbc1 563 WindowMax();
dreschpe 0:da1bf437cbc1 564 return;
dreschpe 0:da1bf437cbc1 565 }
dreschpe 0:da1bf437cbc1 566
dreschpe 0:da1bf437cbc1 567
dreschpe 0:da1bf437cbc1 568 void SPI_TFT_ILI9341::locate(int x, int y)
dreschpe 0:da1bf437cbc1 569 {
dreschpe 0:da1bf437cbc1 570 char_x = x;
dreschpe 0:da1bf437cbc1 571 char_y = y;
dreschpe 0:da1bf437cbc1 572 }
dreschpe 0:da1bf437cbc1 573
dreschpe 0:da1bf437cbc1 574
dreschpe 0:da1bf437cbc1 575
dreschpe 0:da1bf437cbc1 576 int SPI_TFT_ILI9341::columns()
dreschpe 0:da1bf437cbc1 577 {
dreschpe 0:da1bf437cbc1 578 return width() / font[1];
dreschpe 0:da1bf437cbc1 579 }
dreschpe 0:da1bf437cbc1 580
dreschpe 0:da1bf437cbc1 581
dreschpe 0:da1bf437cbc1 582
dreschpe 0:da1bf437cbc1 583 int SPI_TFT_ILI9341::rows()
dreschpe 0:da1bf437cbc1 584 {
dreschpe 0:da1bf437cbc1 585 return height() / font[2];
dreschpe 0:da1bf437cbc1 586 }
dreschpe 0:da1bf437cbc1 587
dreschpe 0:da1bf437cbc1 588
dreschpe 0:da1bf437cbc1 589
dreschpe 0:da1bf437cbc1 590 int SPI_TFT_ILI9341::_putc(int value)
dreschpe 0:da1bf437cbc1 591 {
dreschpe 0:da1bf437cbc1 592 if (value == '\n') { // new line
dreschpe 0:da1bf437cbc1 593 char_x = 0;
dreschpe 0:da1bf437cbc1 594 char_y = char_y + font[2];
dreschpe 0:da1bf437cbc1 595 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 596 char_y = 0;
dreschpe 0:da1bf437cbc1 597 }
dreschpe 0:da1bf437cbc1 598 } else {
dreschpe 0:da1bf437cbc1 599 character(char_x, char_y, value);
dreschpe 0:da1bf437cbc1 600 }
dreschpe 0:da1bf437cbc1 601 return value;
dreschpe 0:da1bf437cbc1 602 }
dreschpe 0:da1bf437cbc1 603
dreschpe 0:da1bf437cbc1 604
dreschpe 0:da1bf437cbc1 605 void SPI_TFT_ILI9341::character(int x, int y, int c)
dreschpe 0:da1bf437cbc1 606 {
dreschpe 0:da1bf437cbc1 607 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:da1bf437cbc1 608 unsigned char* zeichen;
dreschpe 0:da1bf437cbc1 609 unsigned char z,w;
dreschpe 0:da1bf437cbc1 610
dreschpe 0:da1bf437cbc1 611 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:da1bf437cbc1 612
dreschpe 0:da1bf437cbc1 613 // read font parameter from start of array
dreschpe 0:da1bf437cbc1 614 offset = font[0]; // bytes / char
dreschpe 0:da1bf437cbc1 615 hor = font[1]; // get hor size of font
dreschpe 0:da1bf437cbc1 616 vert = font[2]; // get vert size of font
dreschpe 0:da1bf437cbc1 617 bpl = font[3]; // bytes per line
dreschpe 0:da1bf437cbc1 618
dreschpe 0:da1bf437cbc1 619 if (char_x + hor > width()) {
dreschpe 0:da1bf437cbc1 620 char_x = 0;
dreschpe 0:da1bf437cbc1 621 char_y = char_y + vert;
dreschpe 0:da1bf437cbc1 622 if (char_y >= height() - font[2]) {
dreschpe 0:da1bf437cbc1 623 char_y = 0;
dreschpe 0:da1bf437cbc1 624 }
dreschpe 0:da1bf437cbc1 625 }
dreschpe 0:da1bf437cbc1 626 window(char_x, char_y,hor,vert); // char box
dreschpe 5:55aed13f2630 627 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 628 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 629 SPI::format(16,3);
dreschpe 5:55aed13f2630 630 #endif // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 631 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:da1bf437cbc1 632 w = zeichen[0]; // width of actual char
dreschpe 0:da1bf437cbc1 633 for (j=0; j<vert; j++) { // vert line
dreschpe 0:da1bf437cbc1 634 for (i=0; i<hor; i++) { // horz line
dreschpe 0:da1bf437cbc1 635 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:da1bf437cbc1 636 b = 1 << (j & 0x07);
dreschpe 0:da1bf437cbc1 637 if (( z & b ) == 0x00) {
dreschpe 5:55aed13f2630 638 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 639 SPI::write(_background);
dreschpe 5:55aed13f2630 640 #else
dreschpe 11:59eca2723ec5 641 SPI::write(_background >> 8);
dreschpe 11:59eca2723ec5 642 SPI::write(_background & 0xff);
dreschpe 5:55aed13f2630 643 #endif
dreschpe 0:da1bf437cbc1 644 } else {
dreschpe 5:55aed13f2630 645 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 646 SPI::write(_foreground);
dreschpe 5:55aed13f2630 647 #else
dreschpe 11:59eca2723ec5 648 SPI::write(_foreground >> 8);
dreschpe 11:59eca2723ec5 649 SPI::write(_foreground & 0xff);
dreschpe 5:55aed13f2630 650 #endif
dreschpe 0:da1bf437cbc1 651 }
dreschpe 0:da1bf437cbc1 652 }
dreschpe 0:da1bf437cbc1 653 }
dreschpe 0:da1bf437cbc1 654 _cs = 1;
dreschpe 5:55aed13f2630 655 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 656 SPI::format(8,3);
dreschpe 5:55aed13f2630 657 #endif
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 5:55aed13f2630 677 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 5:55aed13f2630 678 unsigned short pix_temp;
dreschpe 5:55aed13f2630 679 #endif
dreschpe 5:55aed13f2630 680
dreschpe 2:0a16083193a4 681 unsigned int i;
dreschpe 2:0a16083193a4 682
dreschpe 0:da1bf437cbc1 683 // the lines are padded to multiple of 4 bytes in a bitmap
dreschpe 0:da1bf437cbc1 684 padd = -1;
dreschpe 0:da1bf437cbc1 685 do {
dreschpe 0:da1bf437cbc1 686 padd ++;
dreschpe 0:da1bf437cbc1 687 } while (2*(w + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 688 window(x, y, w, h);
dreschpe 2:0a16083193a4 689 bitmap_ptr += ((h - 1)* (w + padd));
dreschpe 5:55aed13f2630 690 wr_cmd(0x2C); // send pixel
dreschpe 5:55aed13f2630 691 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 692 SPI::format(16,3);
dreschpe 5:55aed13f2630 693 #endif // switch to 16 bit Mode 3
dreschpe 2:0a16083193a4 694 for (j = 0; j < h; j++) { //Lines
dreschpe 2:0a16083193a4 695 for (i = 0; i < w; i++) { // one line
dreschpe 5:55aed13f2630 696 #if defined TARGET_KL25Z // 8 Bit SPI
dreschpe 5:55aed13f2630 697 pix_temp = *bitmap_ptr;
dreschpe 11:59eca2723ec5 698 SPI::write(pix_temp >> 8);
dreschpe 11:59eca2723ec5 699 SPI::write(pix_temp);
dreschpe 5:55aed13f2630 700 bitmap_ptr++;
dreschpe 5:55aed13f2630 701 #else
dreschpe 11:59eca2723ec5 702 SPI::write(*bitmap_ptr); // one line
dreschpe 5:55aed13f2630 703 bitmap_ptr++;
dreschpe 5:55aed13f2630 704 #endif
dreschpe 0:da1bf437cbc1 705 }
dreschpe 0:da1bf437cbc1 706 bitmap_ptr -= 2*w;
dreschpe 0:da1bf437cbc1 707 bitmap_ptr -= padd;
dreschpe 0:da1bf437cbc1 708 }
dreschpe 0:da1bf437cbc1 709 _cs = 1;
dreschpe 5:55aed13f2630 710 #ifndef TARGET_KL25Z // 16 Bit SPI
dreschpe 11:59eca2723ec5 711 SPI::format(8,3);
dreschpe 5:55aed13f2630 712 #endif
dreschpe 0:da1bf437cbc1 713 WindowMax();
dreschpe 0:da1bf437cbc1 714 }
dreschpe 0:da1bf437cbc1 715
dreschpe 0:da1bf437cbc1 716
dreschpe 6:fe07ae8329f7 717 // local filesystem is not implemented in kinetis board , but you can add a SD card
dreschpe 5:55aed13f2630 718
dreschpe 0:da1bf437cbc1 719 int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
dreschpe 0:da1bf437cbc1 720 {
dreschpe 0:da1bf437cbc1 721
dreschpe 0:da1bf437cbc1 722 #define OffsetPixelWidth 18
dreschpe 0:da1bf437cbc1 723 #define OffsetPixelHeigh 22
dreschpe 0:da1bf437cbc1 724 #define OffsetFileSize 34
dreschpe 0:da1bf437cbc1 725 #define OffsetPixData 10
dreschpe 0:da1bf437cbc1 726 #define OffsetBPP 28
dreschpe 0:da1bf437cbc1 727
dreschpe 0:da1bf437cbc1 728 char filename[50];
dreschpe 0:da1bf437cbc1 729 unsigned char BMP_Header[54];
dreschpe 0:da1bf437cbc1 730 unsigned short BPP_t;
dreschpe 0:da1bf437cbc1 731 unsigned int PixelWidth,PixelHeigh,start_data;
dreschpe 0:da1bf437cbc1 732 unsigned int i,off;
dreschpe 0:da1bf437cbc1 733 int padd,j;
dreschpe 0:da1bf437cbc1 734 unsigned short *line;
dreschpe 0:da1bf437cbc1 735
dreschpe 0:da1bf437cbc1 736 // get the filename
dreschpe 6:fe07ae8329f7 737 i=0;
dreschpe 0:da1bf437cbc1 738 while (*Name_BMP!='\0') {
dreschpe 0:da1bf437cbc1 739 filename[i++]=*Name_BMP++;
dreschpe 0:da1bf437cbc1 740 }
dreschpe 6:fe07ae8329f7 741 filename[i] = 0;
dreschpe 6:fe07ae8329f7 742
dreschpe 0:da1bf437cbc1 743 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
dreschpe 0:da1bf437cbc1 744 if (!Image) {
dreschpe 0:da1bf437cbc1 745 return(0); // error file not found !
dreschpe 0:da1bf437cbc1 746 }
dreschpe 0:da1bf437cbc1 747
dreschpe 0:da1bf437cbc1 748 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
dreschpe 0:da1bf437cbc1 749
dreschpe 0:da1bf437cbc1 750 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
dreschpe 0:da1bf437cbc1 751 fclose(Image);
dreschpe 0:da1bf437cbc1 752 return(-1); // error no BMP file
dreschpe 0:da1bf437cbc1 753 }
dreschpe 0:da1bf437cbc1 754
dreschpe 0:da1bf437cbc1 755 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
dreschpe 0:da1bf437cbc1 756 if (BPP_t != 0x0010) {
dreschpe 0:da1bf437cbc1 757 fclose(Image);
dreschpe 0:da1bf437cbc1 758 return(-2); // error no 16 bit BMP
dreschpe 0:da1bf437cbc1 759 }
dreschpe 0:da1bf437cbc1 760
dreschpe 0:da1bf437cbc1 761 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
dreschpe 0:da1bf437cbc1 762 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
dreschpe 0:da1bf437cbc1 763 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
dreschpe 0:da1bf437cbc1 764 fclose(Image);
dreschpe 0:da1bf437cbc1 765 return(-3); // to big
dreschpe 0:da1bf437cbc1 766 }
dreschpe 0:da1bf437cbc1 767
dreschpe 0:da1bf437cbc1 768 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
dreschpe 0:da1bf437cbc1 769
dreschpe 0:da1bf437cbc1 770 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
dreschpe 0:da1bf437cbc1 771 if (line == NULL) {
dreschpe 0:da1bf437cbc1 772 return(-4); // error no memory
dreschpe 0:da1bf437cbc1 773 }
dreschpe 0:da1bf437cbc1 774
dreschpe 0:da1bf437cbc1 775 // the bmp lines are padded to multiple of 4 bytes
dreschpe 0:da1bf437cbc1 776 padd = -1;
dreschpe 0:da1bf437cbc1 777 do {
dreschpe 0:da1bf437cbc1 778 padd ++;
dreschpe 0:da1bf437cbc1 779 } while ((PixelWidth * 2 + padd)%4 != 0);
dreschpe 0:da1bf437cbc1 780
dreschpe 0:da1bf437cbc1 781 window(x, y,PixelWidth ,PixelHeigh);
dreschpe 6:fe07ae8329f7 782 wr_cmd(0x2C); // send pixel
dreschpe 6:fe07ae8329f7 783 #ifndef TARGET_KL25Z // only 8 Bit SPI
dreschpe 11:59eca2723ec5 784 SPI::format(16,3);
dreschpe 6:fe07ae8329f7 785 #endif // switch to 16 bit Mode 3
dreschpe 0:da1bf437cbc1 786 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
dreschpe 0:da1bf437cbc1 787 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
dreschpe 0:da1bf437cbc1 788 fseek(Image, off ,SEEK_SET);
dreschpe 6:fe07ae8329f7 789 fread(line,1,PixelWidth * 2,Image); // read a line - slow
dreschpe 0:da1bf437cbc1 790 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
dreschpe 6:fe07ae8329f7 791 #ifndef TARGET_KL25Z // only 8 Bit SPI
dreschpe 11:59eca2723ec5 792 SPI::write(line[i]); // one 16 bit pixel
dreschpe 6:fe07ae8329f7 793 #else
dreschpe 11:59eca2723ec5 794 SPI::write(line[i] >> 8);
dreschpe 11:59eca2723ec5 795 SPI::write(line[i]);
dreschpe 6:fe07ae8329f7 796 #endif
dreschpe 0:da1bf437cbc1 797 }
dreschpe 0:da1bf437cbc1 798 }
dreschpe 0:da1bf437cbc1 799 _cs = 1;
dreschpe 11:59eca2723ec5 800 SPI::format(8,3);
dreschpe 0:da1bf437cbc1 801 free (line);
dreschpe 0:da1bf437cbc1 802 fclose(Image);
dreschpe 0:da1bf437cbc1 803 WindowMax();
dreschpe 0:da1bf437cbc1 804 return(1);
dreschpe 5:55aed13f2630 805 }
dreschpe 11:59eca2723ec5 806
dreschpe 11:59eca2723ec5 807 #endif