Haris Šoljić / SPI_TFT_ILI9341

Library for TFT via SPI

Dependents:   mbed_projekt_tetris Ejemplo_TFT

SPI_TFT_ILI9341_NXP.cpp@0:b8956708b92f, 2018-06-18 (annotated)

Committer:
2018US_HarisSoljic
Date:
Mon Jun 18 20:01:55 2018 +0000
Revision:
0:b8956708b92f
revi?n;

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2018US_HarisSoljic 0:b8956708b92f 1 /* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
2018US_HarisSoljic 0:b8956708b92f 2 * Copyright (c) 2014 Peter Drescher - DC2PD
2018US_HarisSoljic 0:b8956708b92f 3 * Special version for NXP LPC1768
2018US_HarisSoljic 0:b8956708b92f 4 *
2018US_HarisSoljic 0:b8956708b92f 5 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
2018US_HarisSoljic 0:b8956708b92f 6 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
2018US_HarisSoljic 0:b8956708b92f 7 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
2018US_HarisSoljic 0:b8956708b92f 8 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
2018US_HarisSoljic 0:b8956708b92f 9 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
2018US_HarisSoljic 0:b8956708b92f 10 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
2018US_HarisSoljic 0:b8956708b92f 11 * THE SOFTWARE.
2018US_HarisSoljic 0:b8956708b92f 12 */
2018US_HarisSoljic 0:b8956708b92f 13
2018US_HarisSoljic 0:b8956708b92f 14 // 25.06.14 initial version
2018US_HarisSoljic 0:b8956708b92f 15
2018US_HarisSoljic 0:b8956708b92f 16 // only include this file if target is LPC1768
2018US_HarisSoljic 0:b8956708b92f 17 #if defined TARGET_LPC1768
2018US_HarisSoljic 0:b8956708b92f 18
2018US_HarisSoljic 0:b8956708b92f 19 #include "SPI_TFT_ILI9341.h"
2018US_HarisSoljic 0:b8956708b92f 20 #include "mbed.h"
2018US_HarisSoljic 0:b8956708b92f 21
2018US_HarisSoljic 0:b8956708b92f 22 #if defined TARGET_LPC1768
2018US_HarisSoljic 0:b8956708b92f 23 #define use_ram
2018US_HarisSoljic 0:b8956708b92f 24 #endif
2018US_HarisSoljic 0:b8956708b92f 25
2018US_HarisSoljic 0:b8956708b92f 26 // some defines for the DMA use
2018US_HarisSoljic 0:b8956708b92f 27 #define DMA_CHANNEL_ENABLE 1
2018US_HarisSoljic 0:b8956708b92f 28 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
2018US_HarisSoljic 0:b8956708b92f 29 #define DMA_CHANNEL_TCIE (1UL << 31)
2018US_HarisSoljic 0:b8956708b92f 30 #define DMA_CHANNEL_SRC_INC (1UL << 26)
2018US_HarisSoljic 0:b8956708b92f 31 #define DMA_MASK_IE (1UL << 14)
2018US_HarisSoljic 0:b8956708b92f 32 #define DMA_MASK_ITC (1UL << 15)
2018US_HarisSoljic 0:b8956708b92f 33 #define DMA_SSP1_TX (1UL << 2)
2018US_HarisSoljic 0:b8956708b92f 34 #define DMA_SSP0_TX (0)
2018US_HarisSoljic 0:b8956708b92f 35 #define DMA_DEST_SSP1_TX (2UL << 6)
2018US_HarisSoljic 0:b8956708b92f 36 #define DMA_DEST_SSP0_TX (0UL << 6)
2018US_HarisSoljic 0:b8956708b92f 37
2018US_HarisSoljic 0:b8956708b92f 38 #define BPP 16 // Bits per pixel
2018US_HarisSoljic 0:b8956708b92f 39
2018US_HarisSoljic 0:b8956708b92f 40 //extern Serial pc;
2018US_HarisSoljic 0:b8956708b92f 41 //extern DigitalOut xx; // debug !!
2018US_HarisSoljic 0:b8956708b92f 42
2018US_HarisSoljic 0:b8956708b92f 43
2018US_HarisSoljic 0:b8956708b92f 44 SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
2018US_HarisSoljic 0:b8956708b92f 45 : GraphicsDisplay(name), SPI(mosi,miso,sclk), _cs(cs), _reset(reset), _dc(dc)
2018US_HarisSoljic 0:b8956708b92f 46 {
2018US_HarisSoljic 0:b8956708b92f 47
2018US_HarisSoljic 0:b8956708b92f 48 format(8,3); // 8 bit spi mode 3
2018US_HarisSoljic 0:b8956708b92f 49 frequency(10000000); // 10 Mhz SPI clock : result 2 / 4 = 8
2018US_HarisSoljic 0:b8956708b92f 50 orientation = 0;
2018US_HarisSoljic 0:b8956708b92f 51 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 52 if((int)_spi.spi == SPI_0) { // test which SPI is in use
2018US_HarisSoljic 0:b8956708b92f 53 spi_num = 0;
2018US_HarisSoljic 0:b8956708b92f 54 }
2018US_HarisSoljic 0:b8956708b92f 55 if((int)_spi.spi == SPI_1) {
2018US_HarisSoljic 0:b8956708b92f 56 spi_num = 1;
2018US_HarisSoljic 0:b8956708b92f 57 }
2018US_HarisSoljic 0:b8956708b92f 58 tft_reset();
2018US_HarisSoljic 0:b8956708b92f 59 }
2018US_HarisSoljic 0:b8956708b92f 60
2018US_HarisSoljic 0:b8956708b92f 61 // we define a fast write to the SPI port
2018US_HarisSoljic 0:b8956708b92f 62 void inline SPI_TFT_ILI9341::f_write(int data)
2018US_HarisSoljic 0:b8956708b92f 63 {
2018US_HarisSoljic 0:b8956708b92f 64 while(((_spi.spi->SR) & 0x02) == 0);
2018US_HarisSoljic 0:b8956708b92f 65 _spi.spi->DR = data;
2018US_HarisSoljic 0:b8956708b92f 66 }
2018US_HarisSoljic 0:b8956708b92f 67
2018US_HarisSoljic 0:b8956708b92f 68 // wait for SPI not busy
2018US_HarisSoljic 0:b8956708b92f 69 // we have to wait for the last bit to switch the cs off
2018US_HarisSoljic 0:b8956708b92f 70 void inline SPI_TFT_ILI9341::spi_bsy(void)
2018US_HarisSoljic 0:b8956708b92f 71 {
2018US_HarisSoljic 0:b8956708b92f 72 while ((_spi.spi->SR & 0x10) == 0x10); // SPI not idle
2018US_HarisSoljic 0:b8956708b92f 73 }
2018US_HarisSoljic 0:b8956708b92f 74
2018US_HarisSoljic 0:b8956708b92f 75
2018US_HarisSoljic 0:b8956708b92f 76 // switch fast between 8 and 16 bit mode
2018US_HarisSoljic 0:b8956708b92f 77 void SPI_TFT_ILI9341::spi_16(bool s)
2018US_HarisSoljic 0:b8956708b92f 78 {
2018US_HarisSoljic 0:b8956708b92f 79 if(s) _spi.spi->CR0 |= 0x08; // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 80 else _spi.spi->CR0 &= ~(0x08); // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 81
2018US_HarisSoljic 0:b8956708b92f 82 }
2018US_HarisSoljic 0:b8956708b92f 83
2018US_HarisSoljic 0:b8956708b92f 84
2018US_HarisSoljic 0:b8956708b92f 85 int SPI_TFT_ILI9341::width()
2018US_HarisSoljic 0:b8956708b92f 86 {
2018US_HarisSoljic 0:b8956708b92f 87 if (orientation == 0 || orientation == 2) return 240;
2018US_HarisSoljic 0:b8956708b92f 88 else return 320;
2018US_HarisSoljic 0:b8956708b92f 89 }
2018US_HarisSoljic 0:b8956708b92f 90
2018US_HarisSoljic 0:b8956708b92f 91
2018US_HarisSoljic 0:b8956708b92f 92 int SPI_TFT_ILI9341::height()
2018US_HarisSoljic 0:b8956708b92f 93 {
2018US_HarisSoljic 0:b8956708b92f 94 if (orientation == 0 || orientation == 2) return 320;
2018US_HarisSoljic 0:b8956708b92f 95 else return 240;
2018US_HarisSoljic 0:b8956708b92f 96 }
2018US_HarisSoljic 0:b8956708b92f 97
2018US_HarisSoljic 0:b8956708b92f 98
2018US_HarisSoljic 0:b8956708b92f 99 void SPI_TFT_ILI9341::set_orientation(unsigned int o)
2018US_HarisSoljic 0:b8956708b92f 100 {
2018US_HarisSoljic 0:b8956708b92f 101 orientation = o;
2018US_HarisSoljic 0:b8956708b92f 102 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
2018US_HarisSoljic 0:b8956708b92f 103 switch (orientation) {
2018US_HarisSoljic 0:b8956708b92f 104 case 0:
2018US_HarisSoljic 0:b8956708b92f 105 f_write(0x48);
2018US_HarisSoljic 0:b8956708b92f 106 break;
2018US_HarisSoljic 0:b8956708b92f 107 case 1:
2018US_HarisSoljic 0:b8956708b92f 108 f_write(0x28);
2018US_HarisSoljic 0:b8956708b92f 109 break;
2018US_HarisSoljic 0:b8956708b92f 110 case 2:
2018US_HarisSoljic 0:b8956708b92f 111 f_write(0x88);
2018US_HarisSoljic 0:b8956708b92f 112 break;
2018US_HarisSoljic 0:b8956708b92f 113 case 3:
2018US_HarisSoljic 0:b8956708b92f 114 f_write(0xE8);
2018US_HarisSoljic 0:b8956708b92f 115 break;
2018US_HarisSoljic 0:b8956708b92f 116 }
2018US_HarisSoljic 0:b8956708b92f 117 spi_bsy(); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 118 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 119 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 120 }
2018US_HarisSoljic 0:b8956708b92f 121
2018US_HarisSoljic 0:b8956708b92f 122
2018US_HarisSoljic 0:b8956708b92f 123 // write command to tft register
2018US_HarisSoljic 0:b8956708b92f 124 // use fast command
2018US_HarisSoljic 0:b8956708b92f 125 void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 126 {
2018US_HarisSoljic 0:b8956708b92f 127 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 128 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 129 f_write(cmd);
2018US_HarisSoljic 0:b8956708b92f 130 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 131 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 132 }
2018US_HarisSoljic 0:b8956708b92f 133
2018US_HarisSoljic 0:b8956708b92f 134 void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
2018US_HarisSoljic 0:b8956708b92f 135 {
2018US_HarisSoljic 0:b8956708b92f 136 f_write(dat);
2018US_HarisSoljic 0:b8956708b92f 137 spi_bsy(); // wait for SPI send
2018US_HarisSoljic 0:b8956708b92f 138 }
2018US_HarisSoljic 0:b8956708b92f 139
2018US_HarisSoljic 0:b8956708b92f 140 // the ILI9341 can read
2018US_HarisSoljic 0:b8956708b92f 141 char SPI_TFT_ILI9341::rd_byte(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 142 {
2018US_HarisSoljic 0:b8956708b92f 143 // has to change !!
2018US_HarisSoljic 0:b8956708b92f 144 return(0);
2018US_HarisSoljic 0:b8956708b92f 145 }
2018US_HarisSoljic 0:b8956708b92f 146
2018US_HarisSoljic 0:b8956708b92f 147 // read 32 bit
2018US_HarisSoljic 0:b8956708b92f 148 int SPI_TFT_ILI9341::rd_32(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 149 {
2018US_HarisSoljic 0:b8956708b92f 150 // has to change !!!
2018US_HarisSoljic 0:b8956708b92f 151 return(0);
2018US_HarisSoljic 0:b8956708b92f 152 }
2018US_HarisSoljic 0:b8956708b92f 153
2018US_HarisSoljic 0:b8956708b92f 154 int SPI_TFT_ILI9341::Read_ID(void)
2018US_HarisSoljic 0:b8956708b92f 155 {
2018US_HarisSoljic 0:b8956708b92f 156 int r;
2018US_HarisSoljic 0:b8956708b92f 157 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 158 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 159 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 160 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 161 return(r);
2018US_HarisSoljic 0:b8956708b92f 162 }
2018US_HarisSoljic 0:b8956708b92f 163
2018US_HarisSoljic 0:b8956708b92f 164
2018US_HarisSoljic 0:b8956708b92f 165 // Init code based on MI0283QT datasheet
2018US_HarisSoljic 0:b8956708b92f 166 // this code is called only at start
2018US_HarisSoljic 0:b8956708b92f 167 // no need to be optimized
2018US_HarisSoljic 0:b8956708b92f 168
2018US_HarisSoljic 0:b8956708b92f 169 void SPI_TFT_ILI9341::tft_reset()
2018US_HarisSoljic 0:b8956708b92f 170 {
2018US_HarisSoljic 0:b8956708b92f 171 _cs = 1; // cs high
2018US_HarisSoljic 0:b8956708b92f 172 _dc = 1; // dc high
2018US_HarisSoljic 0:b8956708b92f 173 _reset = 0; // display reset
2018US_HarisSoljic 0:b8956708b92f 174
2018US_HarisSoljic 0:b8956708b92f 175 wait_us(50);
2018US_HarisSoljic 0:b8956708b92f 176 _reset = 1; // end hardware reset
2018US_HarisSoljic 0:b8956708b92f 177 wait_ms(5);
2018US_HarisSoljic 0:b8956708b92f 178
2018US_HarisSoljic 0:b8956708b92f 179 wr_cmd(0x01); // SW reset
2018US_HarisSoljic 0:b8956708b92f 180 wait_ms(5);
2018US_HarisSoljic 0:b8956708b92f 181 wr_cmd(0x28); // display off
2018US_HarisSoljic 0:b8956708b92f 182
2018US_HarisSoljic 0:b8956708b92f 183 /* Start Initial Sequence ----------------------------------------------------*/
2018US_HarisSoljic 0:b8956708b92f 184 wr_cmd(0xCF);
2018US_HarisSoljic 0:b8956708b92f 185 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 186 f_write(0x83);
2018US_HarisSoljic 0:b8956708b92f 187 f_write(0x30);
2018US_HarisSoljic 0:b8956708b92f 188 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 189 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 190
2018US_HarisSoljic 0:b8956708b92f 191 wr_cmd(0xED);
2018US_HarisSoljic 0:b8956708b92f 192 f_write(0x64);
2018US_HarisSoljic 0:b8956708b92f 193 f_write(0x03);
2018US_HarisSoljic 0:b8956708b92f 194 f_write(0x12);
2018US_HarisSoljic 0:b8956708b92f 195 f_write(0x81);
2018US_HarisSoljic 0:b8956708b92f 196 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 197 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 198
2018US_HarisSoljic 0:b8956708b92f 199 wr_cmd(0xE8);
2018US_HarisSoljic 0:b8956708b92f 200 f_write(0x85);
2018US_HarisSoljic 0:b8956708b92f 201 f_write(0x01);
2018US_HarisSoljic 0:b8956708b92f 202 f_write(0x79);
2018US_HarisSoljic 0:b8956708b92f 203 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 204 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 205
2018US_HarisSoljic 0:b8956708b92f 206 wr_cmd(0xCB);
2018US_HarisSoljic 0:b8956708b92f 207 f_write(0x39);
2018US_HarisSoljic 0:b8956708b92f 208 f_write(0x2C);
2018US_HarisSoljic 0:b8956708b92f 209 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 210 f_write(0x34);
2018US_HarisSoljic 0:b8956708b92f 211 f_write(0x02);
2018US_HarisSoljic 0:b8956708b92f 212 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 213 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 214
2018US_HarisSoljic 0:b8956708b92f 215 wr_cmd(0xF7);
2018US_HarisSoljic 0:b8956708b92f 216 f_write(0x20);
2018US_HarisSoljic 0:b8956708b92f 217 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 218 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 219
2018US_HarisSoljic 0:b8956708b92f 220 wr_cmd(0xEA);
2018US_HarisSoljic 0:b8956708b92f 221 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 222 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 223 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 224 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 225
2018US_HarisSoljic 0:b8956708b92f 226 wr_cmd(0xC0); // POWER_CONTROL_1
2018US_HarisSoljic 0:b8956708b92f 227 f_write(0x26);
2018US_HarisSoljic 0:b8956708b92f 228 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 229 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 230
2018US_HarisSoljic 0:b8956708b92f 231 wr_cmd(0xC1); // POWER_CONTROL_2
2018US_HarisSoljic 0:b8956708b92f 232 f_write(0x11);
2018US_HarisSoljic 0:b8956708b92f 233 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 234 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 235
2018US_HarisSoljic 0:b8956708b92f 236 wr_cmd(0xC5); // VCOM_CONTROL_1
2018US_HarisSoljic 0:b8956708b92f 237 f_write(0x35);
2018US_HarisSoljic 0:b8956708b92f 238 f_write(0x3E);
2018US_HarisSoljic 0:b8956708b92f 239 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 240 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 241
2018US_HarisSoljic 0:b8956708b92f 242 wr_cmd(0xC7); // VCOM_CONTROL_2
2018US_HarisSoljic 0:b8956708b92f 243 f_write(0xBE);
2018US_HarisSoljic 0:b8956708b92f 244 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 245 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 246
2018US_HarisSoljic 0:b8956708b92f 247 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
2018US_HarisSoljic 0:b8956708b92f 248 f_write(0x48);
2018US_HarisSoljic 0:b8956708b92f 249 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 250 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 251
2018US_HarisSoljic 0:b8956708b92f 252 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
2018US_HarisSoljic 0:b8956708b92f 253 f_write(0x55); // 16 bit pixel
2018US_HarisSoljic 0:b8956708b92f 254 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 255 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 256
2018US_HarisSoljic 0:b8956708b92f 257 wr_cmd(0xB1); // Frame Rate
2018US_HarisSoljic 0:b8956708b92f 258 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 259 f_write(0x1B);
2018US_HarisSoljic 0:b8956708b92f 260 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 261 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 262
2018US_HarisSoljic 0:b8956708b92f 263 wr_cmd(0xF2); // Gamma Function Disable
2018US_HarisSoljic 0:b8956708b92f 264 f_write(0x08);
2018US_HarisSoljic 0:b8956708b92f 265 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 266 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 267
2018US_HarisSoljic 0:b8956708b92f 268 wr_cmd(0x26);
2018US_HarisSoljic 0:b8956708b92f 269 f_write(0x01); // gamma set for curve 01/2/04/08
2018US_HarisSoljic 0:b8956708b92f 270 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 271 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 272
2018US_HarisSoljic 0:b8956708b92f 273 wr_cmd(0xE0); // positive gamma correction
2018US_HarisSoljic 0:b8956708b92f 274 f_write(0x1F);
2018US_HarisSoljic 0:b8956708b92f 275 f_write(0x1A);
2018US_HarisSoljic 0:b8956708b92f 276 f_write(0x18);
2018US_HarisSoljic 0:b8956708b92f 277 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 278 f_write(0x0F);
2018US_HarisSoljic 0:b8956708b92f 279 f_write(0x06);
2018US_HarisSoljic 0:b8956708b92f 280 f_write(0x45);
2018US_HarisSoljic 0:b8956708b92f 281 f_write(0x87);
2018US_HarisSoljic 0:b8956708b92f 282 f_write(0x32);
2018US_HarisSoljic 0:b8956708b92f 283 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 284 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 285 f_write(0x02);
2018US_HarisSoljic 0:b8956708b92f 286 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 287 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 288 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 289 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 290 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 291
2018US_HarisSoljic 0:b8956708b92f 292 wr_cmd(0xE1); // negativ gamma correction
2018US_HarisSoljic 0:b8956708b92f 293 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 294 f_write(0x25);
2018US_HarisSoljic 0:b8956708b92f 295 f_write(0x27);
2018US_HarisSoljic 0:b8956708b92f 296 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 297 f_write(0x10);
2018US_HarisSoljic 0:b8956708b92f 298 f_write(0x09);
2018US_HarisSoljic 0:b8956708b92f 299 f_write(0x3A);
2018US_HarisSoljic 0:b8956708b92f 300 f_write(0x78);
2018US_HarisSoljic 0:b8956708b92f 301 f_write(0x4D);
2018US_HarisSoljic 0:b8956708b92f 302 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 303 f_write(0x18);
2018US_HarisSoljic 0:b8956708b92f 304 f_write(0x0D);
2018US_HarisSoljic 0:b8956708b92f 305 f_write(0x38);
2018US_HarisSoljic 0:b8956708b92f 306 f_write(0x3A);
2018US_HarisSoljic 0:b8956708b92f 307 f_write(0x1F);
2018US_HarisSoljic 0:b8956708b92f 308 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 309 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 310
2018US_HarisSoljic 0:b8956708b92f 311 WindowMax ();
2018US_HarisSoljic 0:b8956708b92f 312
2018US_HarisSoljic 0:b8956708b92f 313 //wr_cmd(0x34); // tearing effect off
2018US_HarisSoljic 0:b8956708b92f 314 //_cs = 1;
2018US_HarisSoljic 0:b8956708b92f 315
2018US_HarisSoljic 0:b8956708b92f 316 //wr_cmd(0x35); // tearing effect on
2018US_HarisSoljic 0:b8956708b92f 317 //_cs = 1;
2018US_HarisSoljic 0:b8956708b92f 318
2018US_HarisSoljic 0:b8956708b92f 319 wr_cmd(0xB7); // entry mode
2018US_HarisSoljic 0:b8956708b92f 320 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 321 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 322 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 323
2018US_HarisSoljic 0:b8956708b92f 324 wr_cmd(0xB6); // display function control
2018US_HarisSoljic 0:b8956708b92f 325 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 326 f_write(0x82);
2018US_HarisSoljic 0:b8956708b92f 327 f_write(0x27);
2018US_HarisSoljic 0:b8956708b92f 328 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 329 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 330 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 331
2018US_HarisSoljic 0:b8956708b92f 332 wr_cmd(0x11); // sleep out
2018US_HarisSoljic 0:b8956708b92f 333 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 334 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 335
2018US_HarisSoljic 0:b8956708b92f 336 wait_ms(100);
2018US_HarisSoljic 0:b8956708b92f 337
2018US_HarisSoljic 0:b8956708b92f 338 wr_cmd(0x29); // display on
2018US_HarisSoljic 0:b8956708b92f 339 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 340 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 341
2018US_HarisSoljic 0:b8956708b92f 342 wait_ms(100);
2018US_HarisSoljic 0:b8956708b92f 343
2018US_HarisSoljic 0:b8956708b92f 344 // setup DMA channel 0
2018US_HarisSoljic 0:b8956708b92f 345 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA.
2018US_HarisSoljic 0:b8956708b92f 346 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
2018US_HarisSoljic 0:b8956708b92f 347 LPC_GPDMA->DMACIntTCClear = 0x1; // Reset the Interrupt status
2018US_HarisSoljic 0:b8956708b92f 348 LPC_GPDMA->DMACIntErrClr = 0x1;
2018US_HarisSoljic 0:b8956708b92f 349 LPC_GPDMACH0->DMACCLLI = 0;
2018US_HarisSoljic 0:b8956708b92f 350 }
2018US_HarisSoljic 0:b8956708b92f 351
2018US_HarisSoljic 0:b8956708b92f 352
2018US_HarisSoljic 0:b8956708b92f 353 // speed optimized
2018US_HarisSoljic 0:b8956708b92f 354 // write direct to SPI1 register !
2018US_HarisSoljic 0:b8956708b92f 355 void SPI_TFT_ILI9341::pixel(int x, int y, int color)
2018US_HarisSoljic 0:b8956708b92f 356 {
2018US_HarisSoljic 0:b8956708b92f 357 wr_cmd(0x2A);
2018US_HarisSoljic 0:b8956708b92f 358 spi_16(1); // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 359 f_write(x);
2018US_HarisSoljic 0:b8956708b92f 360 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 361 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 362
2018US_HarisSoljic 0:b8956708b92f 363 spi_16(0); // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 364 wr_cmd(0x2B);
2018US_HarisSoljic 0:b8956708b92f 365 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 366 f_write(y);
2018US_HarisSoljic 0:b8956708b92f 367 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 368 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 369 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 370
2018US_HarisSoljic 0:b8956708b92f 371 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 372 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 373 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 374 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 375 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 376 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 377 }
2018US_HarisSoljic 0:b8956708b92f 378
2018US_HarisSoljic 0:b8956708b92f 379 // optimized
2018US_HarisSoljic 0:b8956708b92f 380 // write direct to SPI1 register !
2018US_HarisSoljic 0:b8956708b92f 381 void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
2018US_HarisSoljic 0:b8956708b92f 382 {
2018US_HarisSoljic 0:b8956708b92f 383 wr_cmd(0x2A);
2018US_HarisSoljic 0:b8956708b92f 384 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 385 f_write(x);
2018US_HarisSoljic 0:b8956708b92f 386 f_write(x+w-1);
2018US_HarisSoljic 0:b8956708b92f 387 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 388 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 389 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 390
2018US_HarisSoljic 0:b8956708b92f 391 wr_cmd(0x2B);
2018US_HarisSoljic 0:b8956708b92f 392 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 393 f_write(y) ;
2018US_HarisSoljic 0:b8956708b92f 394 f_write(y+h-1);
2018US_HarisSoljic 0:b8956708b92f 395 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 396 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 397 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 398 }
2018US_HarisSoljic 0:b8956708b92f 399
2018US_HarisSoljic 0:b8956708b92f 400
2018US_HarisSoljic 0:b8956708b92f 401 void SPI_TFT_ILI9341::WindowMax (void)
2018US_HarisSoljic 0:b8956708b92f 402 {
2018US_HarisSoljic 0:b8956708b92f 403 window (0, 0, width(), height());
2018US_HarisSoljic 0:b8956708b92f 404 }
2018US_HarisSoljic 0:b8956708b92f 405
2018US_HarisSoljic 0:b8956708b92f 406 // optimized
2018US_HarisSoljic 0:b8956708b92f 407 // use DMA to transfer pixel data to the screen
2018US_HarisSoljic 0:b8956708b92f 408 void SPI_TFT_ILI9341::cls (void)
2018US_HarisSoljic 0:b8956708b92f 409 {
2018US_HarisSoljic 0:b8956708b92f 410 // we can use the fillrect function
2018US_HarisSoljic 0:b8956708b92f 411 fillrect(0,0,width()-1,height()-1,_background);
2018US_HarisSoljic 0:b8956708b92f 412 }
2018US_HarisSoljic 0:b8956708b92f 413
2018US_HarisSoljic 0:b8956708b92f 414 void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
2018US_HarisSoljic 0:b8956708b92f 415 {
2018US_HarisSoljic 0:b8956708b92f 416
2018US_HarisSoljic 0:b8956708b92f 417 int x = -r, y = 0, err = 2-2*r, e2;
2018US_HarisSoljic 0:b8956708b92f 418 do {
2018US_HarisSoljic 0:b8956708b92f 419 pixel(x0-x, y0+y,color);
2018US_HarisSoljic 0:b8956708b92f 420 pixel(x0+x, y0+y,color);
2018US_HarisSoljic 0:b8956708b92f 421 pixel(x0+x, y0-y,color);
2018US_HarisSoljic 0:b8956708b92f 422 pixel(x0-x, y0-y,color);
2018US_HarisSoljic 0:b8956708b92f 423 e2 = err;
2018US_HarisSoljic 0:b8956708b92f 424 if (e2 <= y) {
2018US_HarisSoljic 0:b8956708b92f 425 err += ++y*2+1;
2018US_HarisSoljic 0:b8956708b92f 426 if (-x == y && e2 <= x) e2 = 0;
2018US_HarisSoljic 0:b8956708b92f 427 }
2018US_HarisSoljic 0:b8956708b92f 428 if (e2 > x) err += ++x*2+1;
2018US_HarisSoljic 0:b8956708b92f 429 } while (x <= 0);
2018US_HarisSoljic 0:b8956708b92f 430 }
2018US_HarisSoljic 0:b8956708b92f 431
2018US_HarisSoljic 0:b8956708b92f 432 void SPI_TFT_ILI9341::fillcircle(int x0, int y0, int r, int color)
2018US_HarisSoljic 0:b8956708b92f 433 {
2018US_HarisSoljic 0:b8956708b92f 434 int x = -r, y = 0, err = 2-2*r, e2;
2018US_HarisSoljic 0:b8956708b92f 435 do {
2018US_HarisSoljic 0:b8956708b92f 436 vline(x0-x, y0-y, y0+y, color);
2018US_HarisSoljic 0:b8956708b92f 437 vline(x0+x, y0-y, y0+y, color);
2018US_HarisSoljic 0:b8956708b92f 438 e2 = err;
2018US_HarisSoljic 0:b8956708b92f 439 if (e2 <= y) {
2018US_HarisSoljic 0:b8956708b92f 440 err += ++y*2+1;
2018US_HarisSoljic 0:b8956708b92f 441 if (-x == y && e2 <= x) e2 = 0;
2018US_HarisSoljic 0:b8956708b92f 442 }
2018US_HarisSoljic 0:b8956708b92f 443 if (e2 > x) err += ++x*2+1;
2018US_HarisSoljic 0:b8956708b92f 444 } while (x <= 0);
2018US_HarisSoljic 0:b8956708b92f 445 }
2018US_HarisSoljic 0:b8956708b92f 446
2018US_HarisSoljic 0:b8956708b92f 447
2018US_HarisSoljic 0:b8956708b92f 448 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 449 void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
2018US_HarisSoljic 0:b8956708b92f 450 {
2018US_HarisSoljic 0:b8956708b92f 451 int w,j;
2018US_HarisSoljic 0:b8956708b92f 452 w = x1 - x0 + 1;
2018US_HarisSoljic 0:b8956708b92f 453 window(x0,y,w,1);
2018US_HarisSoljic 0:b8956708b92f 454 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 455 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 456 f_write(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 457 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 458 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 459 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 460
2018US_HarisSoljic 0:b8956708b92f 461 for (j=0; j<w; j++) {
2018US_HarisSoljic 0:b8956708b92f 462 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 463 }
2018US_HarisSoljic 0:b8956708b92f 464 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 465 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 466 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 467 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 468 return;
2018US_HarisSoljic 0:b8956708b92f 469 }
2018US_HarisSoljic 0:b8956708b92f 470
2018US_HarisSoljic 0:b8956708b92f 471 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 472 void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 473 {
2018US_HarisSoljic 0:b8956708b92f 474 int h,y;
2018US_HarisSoljic 0:b8956708b92f 475 h = y1 - y0 + 1;
2018US_HarisSoljic 0:b8956708b92f 476 window(x,y0,1,h);
2018US_HarisSoljic 0:b8956708b92f 477 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 478 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 479 f_write(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 480 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 481 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 482 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 483 // switch to 16 bit Mode 3
2018US_HarisSoljic 0:b8956708b92f 484 for (y=0; y<h; y++) {
2018US_HarisSoljic 0:b8956708b92f 485 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 486 }
2018US_HarisSoljic 0:b8956708b92f 487 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 488 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 489 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 490 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 491 return;
2018US_HarisSoljic 0:b8956708b92f 492 }
2018US_HarisSoljic 0:b8956708b92f 493
2018US_HarisSoljic 0:b8956708b92f 494
2018US_HarisSoljic 0:b8956708b92f 495 void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 496 {
2018US_HarisSoljic 0:b8956708b92f 497 //WindowMax();
2018US_HarisSoljic 0:b8956708b92f 498 int dx = 0, dy = 0;
2018US_HarisSoljic 0:b8956708b92f 499 int dx_sym = 0, dy_sym = 0;
2018US_HarisSoljic 0:b8956708b92f 500 int dx_x2 = 0, dy_x2 = 0;
2018US_HarisSoljic 0:b8956708b92f 501 int di = 0;
2018US_HarisSoljic 0:b8956708b92f 502
2018US_HarisSoljic 0:b8956708b92f 503 dx = x1-x0;
2018US_HarisSoljic 0:b8956708b92f 504 dy = y1-y0;
2018US_HarisSoljic 0:b8956708b92f 505
2018US_HarisSoljic 0:b8956708b92f 506 if (dx == 0) { /* vertical line */
2018US_HarisSoljic 0:b8956708b92f 507 if (y1 > y0) vline(x0,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 508 else vline(x0,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 509 return;
2018US_HarisSoljic 0:b8956708b92f 510 }
2018US_HarisSoljic 0:b8956708b92f 511
2018US_HarisSoljic 0:b8956708b92f 512 if (dx > 0) {
2018US_HarisSoljic 0:b8956708b92f 513 dx_sym = 1;
2018US_HarisSoljic 0:b8956708b92f 514 } else {
2018US_HarisSoljic 0:b8956708b92f 515 dx_sym = -1;
2018US_HarisSoljic 0:b8956708b92f 516 }
2018US_HarisSoljic 0:b8956708b92f 517 if (dy == 0) { /* horizontal line */
2018US_HarisSoljic 0:b8956708b92f 518 if (x1 > x0) hline(x0,x1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 519 else hline(x1,x0,y0,color);
2018US_HarisSoljic 0:b8956708b92f 520 return;
2018US_HarisSoljic 0:b8956708b92f 521 }
2018US_HarisSoljic 0:b8956708b92f 522
2018US_HarisSoljic 0:b8956708b92f 523 if (dy > 0) {
2018US_HarisSoljic 0:b8956708b92f 524 dy_sym = 1;
2018US_HarisSoljic 0:b8956708b92f 525 } else {
2018US_HarisSoljic 0:b8956708b92f 526 dy_sym = -1;
2018US_HarisSoljic 0:b8956708b92f 527 }
2018US_HarisSoljic 0:b8956708b92f 528
2018US_HarisSoljic 0:b8956708b92f 529 dx = dx_sym*dx;
2018US_HarisSoljic 0:b8956708b92f 530 dy = dy_sym*dy;
2018US_HarisSoljic 0:b8956708b92f 531
2018US_HarisSoljic 0:b8956708b92f 532 dx_x2 = dx*2;
2018US_HarisSoljic 0:b8956708b92f 533 dy_x2 = dy*2;
2018US_HarisSoljic 0:b8956708b92f 534
2018US_HarisSoljic 0:b8956708b92f 535 if (dx >= dy) {
2018US_HarisSoljic 0:b8956708b92f 536 di = dy_x2 - dx;
2018US_HarisSoljic 0:b8956708b92f 537 while (x0 != x1) {
2018US_HarisSoljic 0:b8956708b92f 538
2018US_HarisSoljic 0:b8956708b92f 539 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 540 x0 += dx_sym;
2018US_HarisSoljic 0:b8956708b92f 541 if (di<0) {
2018US_HarisSoljic 0:b8956708b92f 542 di += dy_x2;
2018US_HarisSoljic 0:b8956708b92f 543 } else {
2018US_HarisSoljic 0:b8956708b92f 544 di += dy_x2 - dx_x2;
2018US_HarisSoljic 0:b8956708b92f 545 y0 += dy_sym;
2018US_HarisSoljic 0:b8956708b92f 546 }
2018US_HarisSoljic 0:b8956708b92f 547 }
2018US_HarisSoljic 0:b8956708b92f 548 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 549 } else {
2018US_HarisSoljic 0:b8956708b92f 550 di = dx_x2 - dy;
2018US_HarisSoljic 0:b8956708b92f 551 while (y0 != y1) {
2018US_HarisSoljic 0:b8956708b92f 552 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 553 y0 += dy_sym;
2018US_HarisSoljic 0:b8956708b92f 554 if (di < 0) {
2018US_HarisSoljic 0:b8956708b92f 555 di += dx_x2;
2018US_HarisSoljic 0:b8956708b92f 556 } else {
2018US_HarisSoljic 0:b8956708b92f 557 di += dx_x2 - dy_x2;
2018US_HarisSoljic 0:b8956708b92f 558 x0 += dx_sym;
2018US_HarisSoljic 0:b8956708b92f 559 }
2018US_HarisSoljic 0:b8956708b92f 560 }
2018US_HarisSoljic 0:b8956708b92f 561 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 562 }
2018US_HarisSoljic 0:b8956708b92f 563 return;
2018US_HarisSoljic 0:b8956708b92f 564 }
2018US_HarisSoljic 0:b8956708b92f 565
2018US_HarisSoljic 0:b8956708b92f 566
2018US_HarisSoljic 0:b8956708b92f 567 void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 568 {
2018US_HarisSoljic 0:b8956708b92f 569
2018US_HarisSoljic 0:b8956708b92f 570 if (x1 > x0) hline(x0,x1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 571 else hline(x1,x0,y0,color);
2018US_HarisSoljic 0:b8956708b92f 572
2018US_HarisSoljic 0:b8956708b92f 573 if (y1 > y0) vline(x0,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 574 else vline(x0,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 575
2018US_HarisSoljic 0:b8956708b92f 576 if (x1 > x0) hline(x0,x1,y1,color);
2018US_HarisSoljic 0:b8956708b92f 577 else hline(x1,x0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 578
2018US_HarisSoljic 0:b8956708b92f 579 if (y1 > y0) vline(x1,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 580 else vline(x1,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 581
2018US_HarisSoljic 0:b8956708b92f 582 return;
2018US_HarisSoljic 0:b8956708b92f 583 }
2018US_HarisSoljic 0:b8956708b92f 584
2018US_HarisSoljic 0:b8956708b92f 585
2018US_HarisSoljic 0:b8956708b92f 586
2018US_HarisSoljic 0:b8956708b92f 587 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 588 // use DMA
2018US_HarisSoljic 0:b8956708b92f 589 void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 590 {
2018US_HarisSoljic 0:b8956708b92f 591 int h = y1 - y0 + 1;
2018US_HarisSoljic 0:b8956708b92f 592 int w = x1 - x0 + 1;
2018US_HarisSoljic 0:b8956708b92f 593 int pixel = h * w;
2018US_HarisSoljic 0:b8956708b92f 594 unsigned int dma_count;
2018US_HarisSoljic 0:b8956708b92f 595 window(x0,y0,w,h);
2018US_HarisSoljic 0:b8956708b92f 596
2018US_HarisSoljic 0:b8956708b92f 597 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 598 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 599
2018US_HarisSoljic 0:b8956708b92f 600 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color;
2018US_HarisSoljic 0:b8956708b92f 601
2018US_HarisSoljic 0:b8956708b92f 602 switch(spi_num) { // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 603 case (0):
2018US_HarisSoljic 0:b8956708b92f 604 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
2018US_HarisSoljic 0:b8956708b92f 605 LPC_SSP0->DMACR = 0x2;
2018US_HarisSoljic 0:b8956708b92f 606 break;
2018US_HarisSoljic 0:b8956708b92f 607 case (1):
2018US_HarisSoljic 0:b8956708b92f 608 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
2018US_HarisSoljic 0:b8956708b92f 609 LPC_SSP1->DMACR = 0x2;
2018US_HarisSoljic 0:b8956708b92f 610 break;
2018US_HarisSoljic 0:b8956708b92f 611 }
2018US_HarisSoljic 0:b8956708b92f 612
2018US_HarisSoljic 0:b8956708b92f 613 // start DMA
2018US_HarisSoljic 0:b8956708b92f 614 do {
2018US_HarisSoljic 0:b8956708b92f 615 if (pixel > 4095) {
2018US_HarisSoljic 0:b8956708b92f 616 dma_count = 4095;
2018US_HarisSoljic 0:b8956708b92f 617 pixel = pixel - 4095;
2018US_HarisSoljic 0:b8956708b92f 618 } else {
2018US_HarisSoljic 0:b8956708b92f 619 dma_count = pixel;
2018US_HarisSoljic 0:b8956708b92f 620 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 621 }
2018US_HarisSoljic 0:b8956708b92f 622 LPC_GPDMA->DMACIntTCClear = 0x1;
2018US_HarisSoljic 0:b8956708b92f 623 LPC_GPDMA->DMACIntErrClr = 0x1;
2018US_HarisSoljic 0:b8956708b92f 624 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt
2018US_HarisSoljic 0:b8956708b92f 625 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_num ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
2018US_HarisSoljic 0:b8956708b92f 626 LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request
2018US_HarisSoljic 0:b8956708b92f 627 do {
2018US_HarisSoljic 0:b8956708b92f 628 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
2018US_HarisSoljic 0:b8956708b92f 629 } while (pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 630
2018US_HarisSoljic 0:b8956708b92f 631 spi_bsy(); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 632 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 633 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 634 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 635 return;
2018US_HarisSoljic 0:b8956708b92f 636 }
2018US_HarisSoljic 0:b8956708b92f 637
2018US_HarisSoljic 0:b8956708b92f 638 void SPI_TFT_ILI9341::locate(int x, int y)
2018US_HarisSoljic 0:b8956708b92f 639 {
2018US_HarisSoljic 0:b8956708b92f 640 char_x = x;
2018US_HarisSoljic 0:b8956708b92f 641 char_y = y;
2018US_HarisSoljic 0:b8956708b92f 642 }
2018US_HarisSoljic 0:b8956708b92f 643
2018US_HarisSoljic 0:b8956708b92f 644 int SPI_TFT_ILI9341::columns()
2018US_HarisSoljic 0:b8956708b92f 645 {
2018US_HarisSoljic 0:b8956708b92f 646 return width() / font[1];
2018US_HarisSoljic 0:b8956708b92f 647 }
2018US_HarisSoljic 0:b8956708b92f 648
2018US_HarisSoljic 0:b8956708b92f 649
2018US_HarisSoljic 0:b8956708b92f 650 int SPI_TFT_ILI9341::rows()
2018US_HarisSoljic 0:b8956708b92f 651 {
2018US_HarisSoljic 0:b8956708b92f 652 return height() / font[2];
2018US_HarisSoljic 0:b8956708b92f 653 }
2018US_HarisSoljic 0:b8956708b92f 654
2018US_HarisSoljic 0:b8956708b92f 655
2018US_HarisSoljic 0:b8956708b92f 656 int SPI_TFT_ILI9341::_putc(int value)
2018US_HarisSoljic 0:b8956708b92f 657 {
2018US_HarisSoljic 0:b8956708b92f 658 if (value == '\n') { // new line
2018US_HarisSoljic 0:b8956708b92f 659 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 660 char_y = char_y + font[2];
2018US_HarisSoljic 0:b8956708b92f 661 if (char_y >= height() - font[2]) {
2018US_HarisSoljic 0:b8956708b92f 662 char_y = 0;
2018US_HarisSoljic 0:b8956708b92f 663 }
2018US_HarisSoljic 0:b8956708b92f 664 } else {
2018US_HarisSoljic 0:b8956708b92f 665 character(char_x, char_y, value);
2018US_HarisSoljic 0:b8956708b92f 666 }
2018US_HarisSoljic 0:b8956708b92f 667 return value;
2018US_HarisSoljic 0:b8956708b92f 668 }
2018US_HarisSoljic 0:b8956708b92f 669
2018US_HarisSoljic 0:b8956708b92f 670
2018US_HarisSoljic 0:b8956708b92f 671 // speed optimized
2018US_HarisSoljic 0:b8956708b92f 672 // will use dma
2018US_HarisSoljic 0:b8956708b92f 673 void SPI_TFT_ILI9341::character(int x, int y, int c)
2018US_HarisSoljic 0:b8956708b92f 674 {
2018US_HarisSoljic 0:b8956708b92f 675 unsigned int hor,vert,offset,bpl,j,i,b;
2018US_HarisSoljic 0:b8956708b92f 676 unsigned char* zeichen;
2018US_HarisSoljic 0:b8956708b92f 677 unsigned char z,w;
2018US_HarisSoljic 0:b8956708b92f 678 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 679 unsigned int pixel;
2018US_HarisSoljic 0:b8956708b92f 680 unsigned int p;
2018US_HarisSoljic 0:b8956708b92f 681 unsigned int dma_count,dma_off;
2018US_HarisSoljic 0:b8956708b92f 682 uint16_t *buffer;
2018US_HarisSoljic 0:b8956708b92f 683 #endif
2018US_HarisSoljic 0:b8956708b92f 684
2018US_HarisSoljic 0:b8956708b92f 685 if ((c < 31) || (c > 127)) return; // test char range
2018US_HarisSoljic 0:b8956708b92f 686
2018US_HarisSoljic 0:b8956708b92f 687 // read font parameter from start of array
2018US_HarisSoljic 0:b8956708b92f 688 offset = font[0]; // bytes / char
2018US_HarisSoljic 0:b8956708b92f 689 hor = font[1]; // get hor size of font
2018US_HarisSoljic 0:b8956708b92f 690 vert = font[2]; // get vert size of font
2018US_HarisSoljic 0:b8956708b92f 691 bpl = font[3]; // bytes per line
2018US_HarisSoljic 0:b8956708b92f 692
2018US_HarisSoljic 0:b8956708b92f 693 if (char_x + hor > width()) {
2018US_HarisSoljic 0:b8956708b92f 694 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 695 char_y = char_y + vert;
2018US_HarisSoljic 0:b8956708b92f 696 if (char_y >= height() - font[2]) {
2018US_HarisSoljic 0:b8956708b92f 697 char_y = 0;
2018US_HarisSoljic 0:b8956708b92f 698 }
2018US_HarisSoljic 0:b8956708b92f 699 }
2018US_HarisSoljic 0:b8956708b92f 700 window(char_x, char_y,hor,vert); // setup char box
2018US_HarisSoljic 0:b8956708b92f 701 wr_cmd(0x2C);
2018US_HarisSoljic 0:b8956708b92f 702 spi_16(1); // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 703 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 704 pixel = hor * vert; // calculate buffer size
2018US_HarisSoljic 0:b8956708b92f 705 buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the font
2018US_HarisSoljic 0:b8956708b92f 706 if(buffer != NULL) { // there is memory space -> use dma
2018US_HarisSoljic 0:b8956708b92f 707 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
2018US_HarisSoljic 0:b8956708b92f 708 w = zeichen[0]; // width of actual char
2018US_HarisSoljic 0:b8956708b92f 709 p = 0;
2018US_HarisSoljic 0:b8956708b92f 710 // construct the font into the buffer
2018US_HarisSoljic 0:b8956708b92f 711 for (j=0; j<vert; j++) { // vert line
2018US_HarisSoljic 0:b8956708b92f 712 for (i=0; i<hor; i++) { // horz line
2018US_HarisSoljic 0:b8956708b92f 713 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
2018US_HarisSoljic 0:b8956708b92f 714 b = 1 << (j & 0x07);
2018US_HarisSoljic 0:b8956708b92f 715 if (( z & b ) == 0x00) {
2018US_HarisSoljic 0:b8956708b92f 716 buffer[p] = _background;
2018US_HarisSoljic 0:b8956708b92f 717 } else {
2018US_HarisSoljic 0:b8956708b92f 718 buffer[p] = _foreground;
2018US_HarisSoljic 0:b8956708b92f 719 }
2018US_HarisSoljic 0:b8956708b92f 720 p++;
2018US_HarisSoljic 0:b8956708b92f 721 }
2018US_HarisSoljic 0:b8956708b92f 722 }
2018US_HarisSoljic 0:b8956708b92f 723 // copy the buffer with DMA SPI to display
2018US_HarisSoljic 0:b8956708b92f 724 dma_off = 0; // offset for DMA transfer
2018US_HarisSoljic 0:b8956708b92f 725
2018US_HarisSoljic 0:b8956708b92f 726 switch(spi_num) { // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 727 case (0):
2018US_HarisSoljic 0:b8956708b92f 728 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
2018US_HarisSoljic 0:b8956708b92f 729 LPC_SSP0->DMACR = 0x2;
2018US_HarisSoljic 0:b8956708b92f 730 break;
2018US_HarisSoljic 0:b8956708b92f 731 case (1):
2018US_HarisSoljic 0:b8956708b92f 732 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
2018US_HarisSoljic 0:b8956708b92f 733 LPC_SSP1->DMACR = 0x2;
2018US_HarisSoljic 0:b8956708b92f 734 break;
2018US_HarisSoljic 0:b8956708b92f 735 }
2018US_HarisSoljic 0:b8956708b92f 736 // start DMA
2018US_HarisSoljic 0:b8956708b92f 737 do {
2018US_HarisSoljic 0:b8956708b92f 738 if (pixel > 4095) { // this is a giant font !
2018US_HarisSoljic 0:b8956708b92f 739 dma_count = 4095;
2018US_HarisSoljic 0:b8956708b92f 740 pixel = pixel - 4095;
2018US_HarisSoljic 0:b8956708b92f 741 } else {
2018US_HarisSoljic 0:b8956708b92f 742 dma_count = pixel;
2018US_HarisSoljic 0:b8956708b92f 743 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 744 }
2018US_HarisSoljic 0:b8956708b92f 745 LPC_GPDMA->DMACIntTCClear = 0x1;
2018US_HarisSoljic 0:b8956708b92f 746 LPC_GPDMA->DMACIntErrClr = 0x1;
2018US_HarisSoljic 0:b8956708b92f 747 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off);
2018US_HarisSoljic 0:b8956708b92f 748 LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt
2018US_HarisSoljic 0:b8956708b92f 749 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_num ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
2018US_HarisSoljic 0:b8956708b92f 750 LPC_GPDMA->DMACSoftSReq = 0x1;
2018US_HarisSoljic 0:b8956708b92f 751 do {
2018US_HarisSoljic 0:b8956708b92f 752 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
2018US_HarisSoljic 0:b8956708b92f 753 dma_off = dma_off + dma_count;
2018US_HarisSoljic 0:b8956708b92f 754 } while (pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 755
2018US_HarisSoljic 0:b8956708b92f 756
2018US_HarisSoljic 0:b8956708b92f 757 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 758 free ((uint16_t *) buffer);
2018US_HarisSoljic 0:b8956708b92f 759 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 760 }
2018US_HarisSoljic 0:b8956708b92f 761
2018US_HarisSoljic 0:b8956708b92f 762 else {
2018US_HarisSoljic 0:b8956708b92f 763 #endif
2018US_HarisSoljic 0:b8956708b92f 764 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
2018US_HarisSoljic 0:b8956708b92f 765 w = zeichen[0]; // width of actual char
2018US_HarisSoljic 0:b8956708b92f 766 for (j=0; j<vert; j++) { // vert line
2018US_HarisSoljic 0:b8956708b92f 767 for (i=0; i<hor; i++) { // horz line
2018US_HarisSoljic 0:b8956708b92f 768 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
2018US_HarisSoljic 0:b8956708b92f 769 b = 1 << (j & 0x07);
2018US_HarisSoljic 0:b8956708b92f 770 if (( z & b ) == 0x00) {
2018US_HarisSoljic 0:b8956708b92f 771 f_write(_background);
2018US_HarisSoljic 0:b8956708b92f 772 } else {
2018US_HarisSoljic 0:b8956708b92f 773 f_write(_foreground);
2018US_HarisSoljic 0:b8956708b92f 774 }
2018US_HarisSoljic 0:b8956708b92f 775 }
2018US_HarisSoljic 0:b8956708b92f 776 }
2018US_HarisSoljic 0:b8956708b92f 777 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 778 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 779 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 780 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 781 }
2018US_HarisSoljic 0:b8956708b92f 782 #endif
2018US_HarisSoljic 0:b8956708b92f 783 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 784 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 785 if ((w + 2) < hor) { // x offset to next char
2018US_HarisSoljic 0:b8956708b92f 786 char_x += w + 2;
2018US_HarisSoljic 0:b8956708b92f 787 } else char_x += hor;
2018US_HarisSoljic 0:b8956708b92f 788 }
2018US_HarisSoljic 0:b8956708b92f 789
2018US_HarisSoljic 0:b8956708b92f 790
2018US_HarisSoljic 0:b8956708b92f 791 void SPI_TFT_ILI9341::set_font(unsigned char* f)
2018US_HarisSoljic 0:b8956708b92f 792 {
2018US_HarisSoljic 0:b8956708b92f 793 font = f;
2018US_HarisSoljic 0:b8956708b92f 794 }
2018US_HarisSoljic 0:b8956708b92f 795
2018US_HarisSoljic 0:b8956708b92f 796
2018US_HarisSoljic 0:b8956708b92f 797 void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
2018US_HarisSoljic 0:b8956708b92f 798 {
2018US_HarisSoljic 0:b8956708b92f 799 unsigned int j;
2018US_HarisSoljic 0:b8956708b92f 800 int padd;
2018US_HarisSoljic 0:b8956708b92f 801 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
2018US_HarisSoljic 0:b8956708b92f 802
2018US_HarisSoljic 0:b8956708b92f 803 unsigned int i;
2018US_HarisSoljic 0:b8956708b92f 804
2018US_HarisSoljic 0:b8956708b92f 805 // the lines are padded to multiple of 4 bytes in a bitmap
2018US_HarisSoljic 0:b8956708b92f 806 padd = -1;
2018US_HarisSoljic 0:b8956708b92f 807 do {
2018US_HarisSoljic 0:b8956708b92f 808 padd ++;
2018US_HarisSoljic 0:b8956708b92f 809 } while (2*(w + padd)%4 != 0);
2018US_HarisSoljic 0:b8956708b92f 810 window(x, y, w, h);
2018US_HarisSoljic 0:b8956708b92f 811 bitmap_ptr += ((h - 1)* (w + padd));
2018US_HarisSoljic 0:b8956708b92f 812 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 813 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 814 for (j = 0; j < h; j++) { //Lines
2018US_HarisSoljic 0:b8956708b92f 815 for (i = 0; i < w; i++) { // one line
2018US_HarisSoljic 0:b8956708b92f 816 f_write(*bitmap_ptr); // one line
2018US_HarisSoljic 0:b8956708b92f 817 bitmap_ptr++;
2018US_HarisSoljic 0:b8956708b92f 818 }
2018US_HarisSoljic 0:b8956708b92f 819 bitmap_ptr -= 2*w;
2018US_HarisSoljic 0:b8956708b92f 820 bitmap_ptr -= padd;
2018US_HarisSoljic 0:b8956708b92f 821 }
2018US_HarisSoljic 0:b8956708b92f 822 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 823 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 824 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 825 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 826 }
2018US_HarisSoljic 0:b8956708b92f 827
2018US_HarisSoljic 0:b8956708b92f 828
2018US_HarisSoljic 0:b8956708b92f 829 // local filesystem is not implemented but you can add a SD card to a different SPI
2018US_HarisSoljic 0:b8956708b92f 830
2018US_HarisSoljic 0:b8956708b92f 831 int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
2018US_HarisSoljic 0:b8956708b92f 832 {
2018US_HarisSoljic 0:b8956708b92f 833
2018US_HarisSoljic 0:b8956708b92f 834 #define OffsetPixelWidth 18
2018US_HarisSoljic 0:b8956708b92f 835 #define OffsetPixelHeigh 22
2018US_HarisSoljic 0:b8956708b92f 836 #define OffsetFileSize 34
2018US_HarisSoljic 0:b8956708b92f 837 #define OffsetPixData 10
2018US_HarisSoljic 0:b8956708b92f 838 #define OffsetBPP 28
2018US_HarisSoljic 0:b8956708b92f 839
2018US_HarisSoljic 0:b8956708b92f 840 char filename[50];
2018US_HarisSoljic 0:b8956708b92f 841 unsigned char BMP_Header[54];
2018US_HarisSoljic 0:b8956708b92f 842 unsigned short BPP_t;
2018US_HarisSoljic 0:b8956708b92f 843 unsigned int PixelWidth,PixelHeigh,start_data;
2018US_HarisSoljic 0:b8956708b92f 844 unsigned int i,off;
2018US_HarisSoljic 0:b8956708b92f 845 int padd,j;
2018US_HarisSoljic 0:b8956708b92f 846 unsigned short *line;
2018US_HarisSoljic 0:b8956708b92f 847
2018US_HarisSoljic 0:b8956708b92f 848 // get the filename
2018US_HarisSoljic 0:b8956708b92f 849 i=0;
2018US_HarisSoljic 0:b8956708b92f 850 while (*Name_BMP!='\0') {
2018US_HarisSoljic 0:b8956708b92f 851 filename[i++]=*Name_BMP++;
2018US_HarisSoljic 0:b8956708b92f 852 }
2018US_HarisSoljic 0:b8956708b92f 853 filename[i] = 0;
2018US_HarisSoljic 0:b8956708b92f 854
2018US_HarisSoljic 0:b8956708b92f 855 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
2018US_HarisSoljic 0:b8956708b92f 856 if (!Image) {
2018US_HarisSoljic 0:b8956708b92f 857 return(0); // error file not found !
2018US_HarisSoljic 0:b8956708b92f 858 }
2018US_HarisSoljic 0:b8956708b92f 859
2018US_HarisSoljic 0:b8956708b92f 860 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
2018US_HarisSoljic 0:b8956708b92f 861
2018US_HarisSoljic 0:b8956708b92f 862 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
2018US_HarisSoljic 0:b8956708b92f 863 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 864 return(-1); // error no BMP file
2018US_HarisSoljic 0:b8956708b92f 865 }
2018US_HarisSoljic 0:b8956708b92f 866
2018US_HarisSoljic 0:b8956708b92f 867 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
2018US_HarisSoljic 0:b8956708b92f 868 if (BPP_t != 0x0010) {
2018US_HarisSoljic 0:b8956708b92f 869 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 870 return(-2); // error no 16 bit BMP
2018US_HarisSoljic 0:b8956708b92f 871 }
2018US_HarisSoljic 0:b8956708b92f 872
2018US_HarisSoljic 0:b8956708b92f 873 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 874 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 875 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
2018US_HarisSoljic 0:b8956708b92f 876 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 877 return(-3); // to big
2018US_HarisSoljic 0:b8956708b92f 878 }
2018US_HarisSoljic 0:b8956708b92f 879
2018US_HarisSoljic 0:b8956708b92f 880 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 881
2018US_HarisSoljic 0:b8956708b92f 882 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
2018US_HarisSoljic 0:b8956708b92f 883 if (line == NULL) {
2018US_HarisSoljic 0:b8956708b92f 884 return(-4); // error no memory
2018US_HarisSoljic 0:b8956708b92f 885 }
2018US_HarisSoljic 0:b8956708b92f 886
2018US_HarisSoljic 0:b8956708b92f 887 // the bmp lines are padded to multiple of 4 bytes
2018US_HarisSoljic 0:b8956708b92f 888 padd = -1;
2018US_HarisSoljic 0:b8956708b92f 889 do {
2018US_HarisSoljic 0:b8956708b92f 890 padd ++;
2018US_HarisSoljic 0:b8956708b92f 891 } while ((PixelWidth * 2 + padd)%4 != 0);
2018US_HarisSoljic 0:b8956708b92f 892
2018US_HarisSoljic 0:b8956708b92f 893 window(x, y,PixelWidth ,PixelHeigh);
2018US_HarisSoljic 0:b8956708b92f 894 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 895 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 896 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
2018US_HarisSoljic 0:b8956708b92f 897 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
2018US_HarisSoljic 0:b8956708b92f 898 fseek(Image, off ,SEEK_SET);
2018US_HarisSoljic 0:b8956708b92f 899 fread(line,1,PixelWidth * 2,Image); // read a line - slow
2018US_HarisSoljic 0:b8956708b92f 900 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
2018US_HarisSoljic 0:b8956708b92f 901 f_write(line[i]); // one 16 bit pixel
2018US_HarisSoljic 0:b8956708b92f 902 }
2018US_HarisSoljic 0:b8956708b92f 903 }
2018US_HarisSoljic 0:b8956708b92f 904 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 905 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 906 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 907 free (line);
2018US_HarisSoljic 0:b8956708b92f 908 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 909 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 910 return(1);
2018US_HarisSoljic 0:b8956708b92f 911 }
2018US_HarisSoljic 0:b8956708b92f 912
2018US_HarisSoljic 0:b8956708b92f 913 #endif
2018US_HarisSoljic 0:b8956708b92f 914