Erik - / Mbed 2 deprecated Mini_DK_clk

Simple clock program for LPC1768 Mini-DK

Dependencies:   RTC mbed

Mini_DK/SPI_TFT/SPI_TFT.cpp@0:ab0aec01b38e, 2012-12-30 (annotated)

Committer:
Sissors
Date:
Sun Dec 30 21:31:56 2012 +0000
Revision:
0:ab0aec01b38e
v0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 0:ab0aec01b38e 1 /* mbed library for 240*320 pixel TFT with ILI9320 LCD Controller
Sissors 0:ab0aec01b38e 2 * Rewrite from Peter Drescher code - http://mbed.org/cookbook/SPI-driven-QVGA-TFT
Sissors 0:ab0aec01b38e 3 *
Sissors 0:ab0aec01b38e 4 * TODO : BMP routine
Sissors 0:ab0aec01b38e 5 */
Sissors 0:ab0aec01b38e 6
Sissors 0:ab0aec01b38e 7
Sissors 0:ab0aec01b38e 8
Sissors 0:ab0aec01b38e 9 #include "SPI_TFT.h"
Sissors 0:ab0aec01b38e 10 #include "mbed.h"
Sissors 0:ab0aec01b38e 11
Sissors 0:ab0aec01b38e 12
Sissors 0:ab0aec01b38e 13 #define BPP 16 // Bits per pixel
Sissors 0:ab0aec01b38e 14
Sissors 0:ab0aec01b38e 15
Sissors 0:ab0aec01b38e 16 SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name)
Sissors 0:ab0aec01b38e 17 : GraphicsDisplay(name), _spi(mosi, miso, sclk), _cs(cs), _reset(reset)
Sissors 0:ab0aec01b38e 18 {
Sissors 0:ab0aec01b38e 19 char_x = 0;
Sissors 0:ab0aec01b38e 20 tft_reset();
Sissors 0:ab0aec01b38e 21 set_orientation(0);
Sissors 0:ab0aec01b38e 22 }
Sissors 0:ab0aec01b38e 23
Sissors 0:ab0aec01b38e 24 int SPI_TFT::width()
Sissors 0:ab0aec01b38e 25 {
Sissors 0:ab0aec01b38e 26 if (orientation == 0 || orientation == 2) return 240;
Sissors 0:ab0aec01b38e 27 else return 320;
Sissors 0:ab0aec01b38e 28 }
Sissors 0:ab0aec01b38e 29
Sissors 0:ab0aec01b38e 30 int SPI_TFT::height()
Sissors 0:ab0aec01b38e 31 {
Sissors 0:ab0aec01b38e 32 if (orientation == 0 || orientation == 2) return 320;
Sissors 0:ab0aec01b38e 33 else return 240;
Sissors 0:ab0aec01b38e 34 }
Sissors 0:ab0aec01b38e 35
Sissors 0:ab0aec01b38e 36 //
Sissors 0:ab0aec01b38e 37 void SPI_TFT::set_orientation(unsigned int o)
Sissors 0:ab0aec01b38e 38 {
Sissors 0:ab0aec01b38e 39 orientation = o;
Sissors 0:ab0aec01b38e 40 WindowMax();
Sissors 0:ab0aec01b38e 41 }
Sissors 0:ab0aec01b38e 42
Sissors 0:ab0aec01b38e 43 // ILI9320
Sissors 0:ab0aec01b38e 44 // Orientation is only set before a window command (registers 0x50..0x53)
Sissors 0:ab0aec01b38e 45 // reg 03h (Entry Mode) : BGR = 1 - ORG = 1 - ID0, ID1 and AM are set according to the orientation variable.
Sissors 0:ab0aec01b38e 46 // IMPORTANT : when ORG = 1, the GRAM writing direction follows the orientation (ID0, ID1, AM bits)
Sissors 0:ab0aec01b38e 47 // AND we need to use the window command (reg 50h..53h) to write to an area on the display
Sissors 0:ab0aec01b38e 48 // because we cannot change reg 20h and 21h to set the GRAM address (they both remain at 00h).
Sissors 0:ab0aec01b38e 49 // This means that the pixel routine does not work when ORG = 1.
Sissors 0:ab0aec01b38e 50 // Routines relying on the pixel routine first need to set reg 03h = 0x1030
Sissors 0:ab0aec01b38e 51 // (cls, circle and line do so) AND need to write the data according to the orientation variable.
Sissors 0:ab0aec01b38e 52
Sissors 0:ab0aec01b38e 53 void SPI_TFT::mod_orientation(void)
Sissors 0:ab0aec01b38e 54 {
Sissors 0:ab0aec01b38e 55 switch (orientation)
Sissors 0:ab0aec01b38e 56 {
Sissors 0:ab0aec01b38e 57 case 0:
Sissors 0:ab0aec01b38e 58 wr_reg(0x03, 0x10b0); // ID1 = 1, ID0 = 1, AM = 0 - Portrait
Sissors 0:ab0aec01b38e 59 break;
Sissors 0:ab0aec01b38e 60 case 1:
Sissors 0:ab0aec01b38e 61 wr_reg(0x03, 0x10a8); // ID1 = 1, ID0 = 0, AM = 0 - Landscape
Sissors 0:ab0aec01b38e 62 break;
Sissors 0:ab0aec01b38e 63 case 2:
Sissors 0:ab0aec01b38e 64 wr_reg(0x03, 0x1080); // ID1 = 0, ID0 = 0, AM = 1 - Portrait upside down
Sissors 0:ab0aec01b38e 65 break;
Sissors 0:ab0aec01b38e 66 case 3:
Sissors 0:ab0aec01b38e 67 wr_reg(0x03, 0x1098); // ID1 = 0, ID0 = 1, AM = 1 - Landscape upside down
Sissors 0:ab0aec01b38e 68 break;
Sissors 0:ab0aec01b38e 69 }
Sissors 0:ab0aec01b38e 70 }
Sissors 0:ab0aec01b38e 71
Sissors 0:ab0aec01b38e 72 void SPI_TFT::wr_cmd(unsigned char cmd)
Sissors 0:ab0aec01b38e 73 {
Sissors 0:ab0aec01b38e 74 _cs = 0;
Sissors 0:ab0aec01b38e 75 _spi.write(0x70);
Sissors 0:ab0aec01b38e 76 _spi.write(0x00);
Sissors 0:ab0aec01b38e 77 _spi.write(cmd);
Sissors 0:ab0aec01b38e 78 _cs = 1;
Sissors 0:ab0aec01b38e 79 }
Sissors 0:ab0aec01b38e 80
Sissors 0:ab0aec01b38e 81 void SPI_TFT::wr_dat(unsigned short dat)
Sissors 0:ab0aec01b38e 82 {
Sissors 0:ab0aec01b38e 83 unsigned char u,l;
Sissors 0:ab0aec01b38e 84 u = (dat >> 0x08);
Sissors 0:ab0aec01b38e 85 l = (dat & 0xff);
Sissors 0:ab0aec01b38e 86 _cs = 0;
Sissors 0:ab0aec01b38e 87 _spi.write(0x72);
Sissors 0:ab0aec01b38e 88 _spi.write(u);
Sissors 0:ab0aec01b38e 89 _spi.write(l);
Sissors 0:ab0aec01b38e 90 _cs = 1;
Sissors 0:ab0aec01b38e 91 }
Sissors 0:ab0aec01b38e 92
Sissors 0:ab0aec01b38e 93 void SPI_TFT::wr_dat_start(void)
Sissors 0:ab0aec01b38e 94 {
Sissors 0:ab0aec01b38e 95 _spi.write(0x72);
Sissors 0:ab0aec01b38e 96 }
Sissors 0:ab0aec01b38e 97
Sissors 0:ab0aec01b38e 98 void SPI_TFT::wr_dat_only(unsigned short dat)
Sissors 0:ab0aec01b38e 99 {
Sissors 0:ab0aec01b38e 100 unsigned char u,l;
Sissors 0:ab0aec01b38e 101 u = (dat >> 0x08);
Sissors 0:ab0aec01b38e 102 l = (dat & 0xff);
Sissors 0:ab0aec01b38e 103 _spi.write(u);
Sissors 0:ab0aec01b38e 104 _spi.write(l);
Sissors 0:ab0aec01b38e 105 }
Sissors 0:ab0aec01b38e 106
Sissors 0:ab0aec01b38e 107 unsigned short SPI_TFT::rd_dat(void) // SPI frequency needs to be lowered on read
Sissors 0:ab0aec01b38e 108 {
Sissors 0:ab0aec01b38e 109 unsigned short val = 0;
Sissors 0:ab0aec01b38e 110 _cs = 0;
Sissors 0:ab0aec01b38e 111 _spi.frequency(SPI_F_LO);
Sissors 0:ab0aec01b38e 112 _spi.write(0x73);
Sissors 0:ab0aec01b38e 113 _spi.write(0x00);
Sissors 0:ab0aec01b38e 114 val = _spi.write(0); // Dummy read
Sissors 0:ab0aec01b38e 115 val = _spi.write(0); // Read D8..D15
Sissors 0:ab0aec01b38e 116 val <<= 8;
Sissors 0:ab0aec01b38e 117 val |= _spi.write(0); // Read D0..D7
Sissors 0:ab0aec01b38e 118 _cs = 1;
Sissors 0:ab0aec01b38e 119 _spi.frequency(SPI_F_HI);
Sissors 0:ab0aec01b38e 120 return (val);
Sissors 0:ab0aec01b38e 121 }
Sissors 0:ab0aec01b38e 122
Sissors 0:ab0aec01b38e 123 void SPI_TFT::wr_reg(unsigned char reg, unsigned short val)
Sissors 0:ab0aec01b38e 124 {
Sissors 0:ab0aec01b38e 125 wr_cmd(reg);
Sissors 0:ab0aec01b38e 126 wr_dat(val);
Sissors 0:ab0aec01b38e 127 }
Sissors 0:ab0aec01b38e 128
Sissors 0:ab0aec01b38e 129 unsigned short SPI_TFT::rd_reg(unsigned char reg)
Sissors 0:ab0aec01b38e 130 {
Sissors 0:ab0aec01b38e 131 wr_cmd(reg);
Sissors 0:ab0aec01b38e 132 return(rd_dat());
Sissors 0:ab0aec01b38e 133 }
Sissors 0:ab0aec01b38e 134
Sissors 0:ab0aec01b38e 135 unsigned short SPI_TFT::Read_ID(void) // IMPORTANT : SPI frequency needs to be lowered when reading
Sissors 0:ab0aec01b38e 136 {
Sissors 0:ab0aec01b38e 137 unsigned short val = 0;
Sissors 0:ab0aec01b38e 138 _cs = 0;
Sissors 0:ab0aec01b38e 139 _spi.write(0x70);
Sissors 0:ab0aec01b38e 140 _spi.write(0x00);
Sissors 0:ab0aec01b38e 141 _spi.write(0X00);
Sissors 0:ab0aec01b38e 142 _cs = 1;
Sissors 0:ab0aec01b38e 143 _spi.frequency(SPI_F_LO);
Sissors 0:ab0aec01b38e 144 _cs = 0;
Sissors 0:ab0aec01b38e 145 _spi.write(0x73);
Sissors 0:ab0aec01b38e 146 val = _spi.write(0x00); // Dummy read
Sissors 0:ab0aec01b38e 147 val = _spi.write(0x00); // Read D8..D15
Sissors 0:ab0aec01b38e 148 val <<= 8;
Sissors 0:ab0aec01b38e 149 val |= _spi.write(0x00); // Read D0..D7
Sissors 0:ab0aec01b38e 150 _cs = 1;
Sissors 0:ab0aec01b38e 151 _spi.frequency(SPI_F_HI);
Sissors 0:ab0aec01b38e 152 return (val);
Sissors 0:ab0aec01b38e 153 }
Sissors 0:ab0aec01b38e 154
Sissors 0:ab0aec01b38e 155 void SPI_TFT::SetCursor( unsigned short Xpos, unsigned short Ypos )
Sissors 0:ab0aec01b38e 156 {
Sissors 0:ab0aec01b38e 157 wr_reg(0x20, Xpos );
Sissors 0:ab0aec01b38e 158 wr_reg(0x21, Ypos );
Sissors 0:ab0aec01b38e 159 }
Sissors 0:ab0aec01b38e 160
Sissors 0:ab0aec01b38e 161 void SPI_TFT::tft_reset()
Sissors 0:ab0aec01b38e 162 {
Sissors 0:ab0aec01b38e 163 _spi.format(8,3); // 8 bit spi mode 3
Sissors 0:ab0aec01b38e 164 _spi.frequency(SPI_F_HI); // 48 Mhz SPI clock
Sissors 0:ab0aec01b38e 165
Sissors 0:ab0aec01b38e 166 wr_reg(0x00,0x0000);
Sissors 0:ab0aec01b38e 167 wr_reg(0x01,0x0100); // Driver Output Control
Sissors 0:ab0aec01b38e 168 wr_reg(0x02,0x0700); // LCD Driver Waveform Control
Sissors 0:ab0aec01b38e 169 wr_reg(0x03,0x1030); // Set the scan mode
Sissors 0:ab0aec01b38e 170 wr_reg(0x04,0x0000); // Scaling Control
Sissors 0:ab0aec01b38e 171 wr_reg(0x08,0x0202); // Display Control 2
Sissors 0:ab0aec01b38e 172 wr_reg(0x09,0x0000); // Display Control 3
Sissors 0:ab0aec01b38e 173 wr_reg(0x0a,0x0000); // Frame Cycle Contal
Sissors 0:ab0aec01b38e 174 wr_reg(0x0c,(1<<0)); // Extern Display Interface Control 1
Sissors 0:ab0aec01b38e 175 wr_reg(0x0d,0x0000); // Frame Maker Position
Sissors 0:ab0aec01b38e 176 wr_reg(0x0f,0x0000); // Extern Display Interface Control 2
Sissors 0:ab0aec01b38e 177
Sissors 0:ab0aec01b38e 178 wait_ms(50);
Sissors 0:ab0aec01b38e 179
Sissors 0:ab0aec01b38e 180 wr_reg(0x07,0x0101); // Display Control
Sissors 0:ab0aec01b38e 181
Sissors 0:ab0aec01b38e 182 wait_ms(50);
Sissors 0:ab0aec01b38e 183
Sissors 0:ab0aec01b38e 184 wr_reg(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); // Power Control 1
Sissors 0:ab0aec01b38e 185 wr_reg(0x11,0x0007); // Power Control 2
Sissors 0:ab0aec01b38e 186 wr_reg(0x12,(1<<8)|(1<<4)|(0<<0)); // Power Control 3
Sissors 0:ab0aec01b38e 187 wr_reg(0x13,0x0b00); // Power Control 4
Sissors 0:ab0aec01b38e 188 wr_reg(0x29,0x0000); // Power Control 7
Sissors 0:ab0aec01b38e 189 wr_reg(0x2b,(1<<14)|(1<<4));
Sissors 0:ab0aec01b38e 190
Sissors 0:ab0aec01b38e 191 wr_reg(0x50,0); // Set X Start
Sissors 0:ab0aec01b38e 192 wr_reg(0x51,239); // Set X End
Sissors 0:ab0aec01b38e 193 wr_reg(0x52,0); // Set Y Start
Sissors 0:ab0aec01b38e 194 wr_reg(0x53,319); // Set Y End
Sissors 0:ab0aec01b38e 195
Sissors 0:ab0aec01b38e 196 wait_ms(50);
Sissors 0:ab0aec01b38e 197
Sissors 0:ab0aec01b38e 198 wr_reg(0x60,0x2700); // Driver Output Control
Sissors 0:ab0aec01b38e 199 wr_reg(0x61,0x0001); // Driver Output Control
Sissors 0:ab0aec01b38e 200 wr_reg(0x6a,0x0000); // Vertical Srcoll Control
Sissors 0:ab0aec01b38e 201
Sissors 0:ab0aec01b38e 202 wr_reg(0x80,0x0000); // Display Position Partial Display 1
Sissors 0:ab0aec01b38e 203 wr_reg(0x81,0x0000); // RAM Address Start Partial Display 1
Sissors 0:ab0aec01b38e 204 wr_reg(0x82,0x0000); // RAM Address End-Partial Display 1
Sissors 0:ab0aec01b38e 205 wr_reg(0x83,0x0000); // Displsy Position Partial Display 2
Sissors 0:ab0aec01b38e 206 wr_reg(0x84,0x0000); // RAM Address Start Partial Display 2
Sissors 0:ab0aec01b38e 207 wr_reg(0x85,0x0000); // RAM Address End Partial Display 2
Sissors 0:ab0aec01b38e 208
Sissors 0:ab0aec01b38e 209 wr_reg(0x90,(0<<7)|(16<<0)); // Frame Cycle Control
Sissors 0:ab0aec01b38e 210 wr_reg(0x92,0x0000); // Panel Interface Control 2
Sissors 0:ab0aec01b38e 211 wr_reg(0x93,0x0001); // Panel Interface Control 3
Sissors 0:ab0aec01b38e 212 wr_reg(0x95,0x0110); // Frame Cycle Control
Sissors 0:ab0aec01b38e 213 wr_reg(0x97,(0<<8));
Sissors 0:ab0aec01b38e 214 wr_reg(0x98,0x0000); // Frame Cycle Control
Sissors 0:ab0aec01b38e 215 wr_reg(0x07,0x0133);
Sissors 0:ab0aec01b38e 216
Sissors 0:ab0aec01b38e 217 wait_ms(100);
Sissors 0:ab0aec01b38e 218 WindowMax();
Sissors 0:ab0aec01b38e 219 }
Sissors 0:ab0aec01b38e 220
Sissors 0:ab0aec01b38e 221
Sissors 0:ab0aec01b38e 222 void SPI_TFT::pixel(int x, int y, int color)
Sissors 0:ab0aec01b38e 223 {
Sissors 0:ab0aec01b38e 224 switch (orientation)
Sissors 0:ab0aec01b38e 225 {
Sissors 0:ab0aec01b38e 226 case 0:
Sissors 0:ab0aec01b38e 227 wr_reg(0x20, x);
Sissors 0:ab0aec01b38e 228 wr_reg(0x21, y);
Sissors 0:ab0aec01b38e 229 break;
Sissors 0:ab0aec01b38e 230 case 1:
Sissors 0:ab0aec01b38e 231 wr_reg(0x20, 239-y);
Sissors 0:ab0aec01b38e 232 wr_reg(0x21, x);
Sissors 0:ab0aec01b38e 233 break;
Sissors 0:ab0aec01b38e 234 case 2:
Sissors 0:ab0aec01b38e 235 wr_reg(0x20, 239-x);
Sissors 0:ab0aec01b38e 236 wr_reg(0x21, 319-y);
Sissors 0:ab0aec01b38e 237 break;
Sissors 0:ab0aec01b38e 238 case 3:
Sissors 0:ab0aec01b38e 239 wr_reg(0x20, y);
Sissors 0:ab0aec01b38e 240 wr_reg(0x21, 319-x);
Sissors 0:ab0aec01b38e 241 break;
Sissors 0:ab0aec01b38e 242 }
Sissors 0:ab0aec01b38e 243 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 244 wr_dat(color);
Sissors 0:ab0aec01b38e 245 }
Sissors 0:ab0aec01b38e 246
Sissors 0:ab0aec01b38e 247
Sissors 0:ab0aec01b38e 248 void SPI_TFT::window(int x, int y, int w, int h)
Sissors 0:ab0aec01b38e 249 {
Sissors 0:ab0aec01b38e 250 unsigned int xw1, yh1;
Sissors 0:ab0aec01b38e 251 xw1 = x + w - 1;
Sissors 0:ab0aec01b38e 252 yh1 = y + h - 1;
Sissors 0:ab0aec01b38e 253 wr_reg(0x20, x);
Sissors 0:ab0aec01b38e 254 wr_reg(0x21, y);
Sissors 0:ab0aec01b38e 255 switch (orientation)
Sissors 0:ab0aec01b38e 256 {
Sissors 0:ab0aec01b38e 257 case 0:
Sissors 0:ab0aec01b38e 258 wr_reg(0x50, x);
Sissors 0:ab0aec01b38e 259 wr_reg(0x51, xw1);
Sissors 0:ab0aec01b38e 260 wr_reg(0x52, y);
Sissors 0:ab0aec01b38e 261 wr_reg(0x53, yh1);
Sissors 0:ab0aec01b38e 262 break;
Sissors 0:ab0aec01b38e 263 case 1:
Sissors 0:ab0aec01b38e 264 wr_reg(0x50, 239 - yh1);
Sissors 0:ab0aec01b38e 265 wr_reg(0x51, 239 - y);
Sissors 0:ab0aec01b38e 266 wr_reg(0x52, x);
Sissors 0:ab0aec01b38e 267 wr_reg(0x53, xw1);
Sissors 0:ab0aec01b38e 268 break;
Sissors 0:ab0aec01b38e 269 case 2:
Sissors 0:ab0aec01b38e 270 wr_reg(0x50, 239 - xw1);
Sissors 0:ab0aec01b38e 271 wr_reg(0x51, 239 - x);
Sissors 0:ab0aec01b38e 272 wr_reg(0x52, 319 - yh1);
Sissors 0:ab0aec01b38e 273 wr_reg(0x53, 319 - y);
Sissors 0:ab0aec01b38e 274 break;
Sissors 0:ab0aec01b38e 275 case 3:
Sissors 0:ab0aec01b38e 276 wr_reg(0x50, y);
Sissors 0:ab0aec01b38e 277 wr_reg(0x51, yh1);
Sissors 0:ab0aec01b38e 278 wr_reg(0x52, 319 - xw1);
Sissors 0:ab0aec01b38e 279 wr_reg(0x53, 319 - x);
Sissors 0:ab0aec01b38e 280 break;
Sissors 0:ab0aec01b38e 281 }
Sissors 0:ab0aec01b38e 282 }
Sissors 0:ab0aec01b38e 283
Sissors 0:ab0aec01b38e 284
Sissors 0:ab0aec01b38e 285 void SPI_TFT::WindowMax(void)
Sissors 0:ab0aec01b38e 286 {
Sissors 0:ab0aec01b38e 287 window(0, 0, width(), height());
Sissors 0:ab0aec01b38e 288 }
Sissors 0:ab0aec01b38e 289
Sissors 0:ab0aec01b38e 290
Sissors 0:ab0aec01b38e 291 void SPI_TFT::cls (void)
Sissors 0:ab0aec01b38e 292 {
Sissors 0:ab0aec01b38e 293 unsigned long int index=0;
Sissors 0:ab0aec01b38e 294 wr_reg(0x03, 0x1030);
Sissors 0:ab0aec01b38e 295 WindowMax();
Sissors 0:ab0aec01b38e 296 SetCursor(0,0);
Sissors 0:ab0aec01b38e 297 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 298 _cs = 0;
Sissors 0:ab0aec01b38e 299 wr_dat_start();
Sissors 0:ab0aec01b38e 300
Sissors 0:ab0aec01b38e 301 _spi.format(16,3);
Sissors 0:ab0aec01b38e 302 unsigned short dat = _background;
Sissors 0:ab0aec01b38e 303
Sissors 0:ab0aec01b38e 304 for( index = 0; index<width()*height(); index++ )
Sissors 0:ab0aec01b38e 305 {
Sissors 0:ab0aec01b38e 306 _spi.write(dat);
Sissors 0:ab0aec01b38e 307 }
Sissors 0:ab0aec01b38e 308
Sissors 0:ab0aec01b38e 309 _spi.format(8,3);
Sissors 0:ab0aec01b38e 310
Sissors 0:ab0aec01b38e 311 /*for( index = 0; index < width() * height(); index++ )
Sissors 0:ab0aec01b38e 312 {
Sissors 0:ab0aec01b38e 313 wr_dat_only(color);
Sissors 0:ab0aec01b38e 314 }*/
Sissors 0:ab0aec01b38e 315 _cs = 1;
Sissors 0:ab0aec01b38e 316 }
Sissors 0:ab0aec01b38e 317
Sissors 0:ab0aec01b38e 318 void SPI_TFT::hline(int x0, int x1, int y, int color)
Sissors 0:ab0aec01b38e 319 {
Sissors 0:ab0aec01b38e 320 unsigned int index=0;
Sissors 0:ab0aec01b38e 321 int w;
Sissors 0:ab0aec01b38e 322 w = x1 - x0 + 1;
Sissors 0:ab0aec01b38e 323 mod_orientation();
Sissors 0:ab0aec01b38e 324 window(x0,y,w,1);
Sissors 0:ab0aec01b38e 325 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 326 _cs = 0;
Sissors 0:ab0aec01b38e 327 wr_dat_start();
Sissors 0:ab0aec01b38e 328 for( index = 0; index < (x1 - x0); index++ )
Sissors 0:ab0aec01b38e 329 {
Sissors 0:ab0aec01b38e 330 wr_dat_only(color);
Sissors 0:ab0aec01b38e 331 }
Sissors 0:ab0aec01b38e 332 _cs = 1;
Sissors 0:ab0aec01b38e 333 return;
Sissors 0:ab0aec01b38e 334 }
Sissors 0:ab0aec01b38e 335
Sissors 0:ab0aec01b38e 336 void SPI_TFT::vline(int x, int y0, int y1, int color)
Sissors 0:ab0aec01b38e 337 {
Sissors 0:ab0aec01b38e 338 unsigned int index=0;
Sissors 0:ab0aec01b38e 339 int h;
Sissors 0:ab0aec01b38e 340 h = y1 - y0 + 1;
Sissors 0:ab0aec01b38e 341 mod_orientation();
Sissors 0:ab0aec01b38e 342 window(x,y0,1,h);
Sissors 0:ab0aec01b38e 343 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 344 _cs = 0;
Sissors 0:ab0aec01b38e 345 wr_dat_start();
Sissors 0:ab0aec01b38e 346 for( index = 0; index < (y1 - y0); index++ )
Sissors 0:ab0aec01b38e 347 {
Sissors 0:ab0aec01b38e 348 wr_dat_only(color);
Sissors 0:ab0aec01b38e 349 }
Sissors 0:ab0aec01b38e 350 _cs = 1;
Sissors 0:ab0aec01b38e 351 return;
Sissors 0:ab0aec01b38e 352 }
Sissors 0:ab0aec01b38e 353
Sissors 0:ab0aec01b38e 354 void SPI_TFT::line(int x0, int y0, int x1, int y1, int color)
Sissors 0:ab0aec01b38e 355 {
Sissors 0:ab0aec01b38e 356 wr_reg(0x03, 0x1030);
Sissors 0:ab0aec01b38e 357 WindowMax();
Sissors 0:ab0aec01b38e 358 int dx = 0, dy = 0;
Sissors 0:ab0aec01b38e 359 int dx_sym = 0, dy_sym = 0;
Sissors 0:ab0aec01b38e 360 int dx_x2 = 0, dy_x2 = 0;
Sissors 0:ab0aec01b38e 361 int di = 0;
Sissors 0:ab0aec01b38e 362
Sissors 0:ab0aec01b38e 363 dx = x1-x0;
Sissors 0:ab0aec01b38e 364 dy = y1-y0;
Sissors 0:ab0aec01b38e 365
Sissors 0:ab0aec01b38e 366 if (dx == 0) { /* vertical line */
Sissors 0:ab0aec01b38e 367 if (y1 > y0) vline(x0,y0,y1,color);
Sissors 0:ab0aec01b38e 368 else vline(x0,y1,y0,color);
Sissors 0:ab0aec01b38e 369 return;
Sissors 0:ab0aec01b38e 370 }
Sissors 0:ab0aec01b38e 371
Sissors 0:ab0aec01b38e 372 if (dx > 0) {
Sissors 0:ab0aec01b38e 373 dx_sym = 1;
Sissors 0:ab0aec01b38e 374 } else {
Sissors 0:ab0aec01b38e 375 dx_sym = -1;
Sissors 0:ab0aec01b38e 376 }
Sissors 0:ab0aec01b38e 377 if (dy == 0) { /* horizontal line */
Sissors 0:ab0aec01b38e 378 if (x1 > x0) hline(x0,x1,y0,color);
Sissors 0:ab0aec01b38e 379 else hline(x1,x0,y0,color);
Sissors 0:ab0aec01b38e 380 return;
Sissors 0:ab0aec01b38e 381 }
Sissors 0:ab0aec01b38e 382
Sissors 0:ab0aec01b38e 383 if (dy > 0) {
Sissors 0:ab0aec01b38e 384 dy_sym = 1;
Sissors 0:ab0aec01b38e 385 } else {
Sissors 0:ab0aec01b38e 386 dy_sym = -1;
Sissors 0:ab0aec01b38e 387 }
Sissors 0:ab0aec01b38e 388
Sissors 0:ab0aec01b38e 389 dx = dx_sym*dx;
Sissors 0:ab0aec01b38e 390 dy = dy_sym*dy;
Sissors 0:ab0aec01b38e 391
Sissors 0:ab0aec01b38e 392 dx_x2 = dx*2;
Sissors 0:ab0aec01b38e 393 dy_x2 = dy*2;
Sissors 0:ab0aec01b38e 394
Sissors 0:ab0aec01b38e 395 if (dx >= dy) {
Sissors 0:ab0aec01b38e 396 di = dy_x2 - dx;
Sissors 0:ab0aec01b38e 397 while (x0 != x1) {
Sissors 0:ab0aec01b38e 398
Sissors 0:ab0aec01b38e 399 pixel(x0, y0, color);
Sissors 0:ab0aec01b38e 400 x0 += dx_sym;
Sissors 0:ab0aec01b38e 401 if (di<0) {
Sissors 0:ab0aec01b38e 402 di += dy_x2;
Sissors 0:ab0aec01b38e 403 } else {
Sissors 0:ab0aec01b38e 404 di += dy_x2 - dx_x2;
Sissors 0:ab0aec01b38e 405 y0 += dy_sym;
Sissors 0:ab0aec01b38e 406 }
Sissors 0:ab0aec01b38e 407 }
Sissors 0:ab0aec01b38e 408 pixel(x0, y0, color);
Sissors 0:ab0aec01b38e 409 } else {
Sissors 0:ab0aec01b38e 410 di = dx_x2 - dy;
Sissors 0:ab0aec01b38e 411 while (y0 != y1) {
Sissors 0:ab0aec01b38e 412 pixel(x0, y0, color);
Sissors 0:ab0aec01b38e 413 y0 += dy_sym;
Sissors 0:ab0aec01b38e 414 if (di < 0) {
Sissors 0:ab0aec01b38e 415 di += dx_x2;
Sissors 0:ab0aec01b38e 416 } else {
Sissors 0:ab0aec01b38e 417 di += dx_x2 - dy_x2;
Sissors 0:ab0aec01b38e 418 x0 += dx_sym;
Sissors 0:ab0aec01b38e 419 }
Sissors 0:ab0aec01b38e 420 }
Sissors 0:ab0aec01b38e 421 pixel(x0, y0, color);
Sissors 0:ab0aec01b38e 422 }
Sissors 0:ab0aec01b38e 423 return;
Sissors 0:ab0aec01b38e 424 }
Sissors 0:ab0aec01b38e 425
Sissors 0:ab0aec01b38e 426
Sissors 0:ab0aec01b38e 427 void SPI_TFT::rect(int x0, int y0, int w, int h, int color)
Sissors 0:ab0aec01b38e 428 {
Sissors 0:ab0aec01b38e 429 hline(x0,x0+w,y0,color);
Sissors 0:ab0aec01b38e 430 vline(x0,y0,y0+h,color);
Sissors 0:ab0aec01b38e 431 hline(x0,x0+w,y0+h,color);
Sissors 0:ab0aec01b38e 432 vline(x0+w,y0,y0+h,color);
Sissors 0:ab0aec01b38e 433
Sissors 0:ab0aec01b38e 434 return;
Sissors 0:ab0aec01b38e 435 }
Sissors 0:ab0aec01b38e 436
Sissors 0:ab0aec01b38e 437 void SPI_TFT::fillrect(int x0, int y0, int w, int h, int color)
Sissors 0:ab0aec01b38e 438 {
Sissors 0:ab0aec01b38e 439 unsigned long int index=0;
Sissors 0:ab0aec01b38e 440 if (w < 0)
Sissors 0:ab0aec01b38e 441 {
Sissors 0:ab0aec01b38e 442 x0 = x0 + w;
Sissors 0:ab0aec01b38e 443 w = -w;
Sissors 0:ab0aec01b38e 444 }
Sissors 0:ab0aec01b38e 445 if (h < 0)
Sissors 0:ab0aec01b38e 446 {
Sissors 0:ab0aec01b38e 447 y0 = y0 + h;
Sissors 0:ab0aec01b38e 448 h = -h;
Sissors 0:ab0aec01b38e 449 }
Sissors 0:ab0aec01b38e 450 mod_orientation();
Sissors 0:ab0aec01b38e 451 window(x0,y0,w,h);
Sissors 0:ab0aec01b38e 452 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 453 _cs = 0;
Sissors 0:ab0aec01b38e 454 wr_dat_start();
Sissors 0:ab0aec01b38e 455
Sissors 0:ab0aec01b38e 456 for( index = 0; index < h * w; index++ )
Sissors 0:ab0aec01b38e 457 {
Sissors 0:ab0aec01b38e 458 wr_dat_only(color);
Sissors 0:ab0aec01b38e 459 }
Sissors 0:ab0aec01b38e 460 _cs = 1;
Sissors 0:ab0aec01b38e 461 return;
Sissors 0:ab0aec01b38e 462 }
Sissors 0:ab0aec01b38e 463
Sissors 0:ab0aec01b38e 464 void SPI_TFT::draw_ellipse(int xc, int yc, int a, int b, unsigned int color)
Sissors 0:ab0aec01b38e 465 { /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */
Sissors 0:ab0aec01b38e 466 wr_reg(0x03, 0x1030);
Sissors 0:ab0aec01b38e 467 WindowMax();
Sissors 0:ab0aec01b38e 468 int x = 0, y = b;
Sissors 0:ab0aec01b38e 469 long a2 = (long)a*a, b2 = (long)b*b;
Sissors 0:ab0aec01b38e 470 long crit1 = -(a2/4 + a%2 + b2);
Sissors 0:ab0aec01b38e 471 long crit2 = -(b2/4 + b%2 + a2);
Sissors 0:ab0aec01b38e 472 long crit3 = -(b2/4 + b%2);
Sissors 0:ab0aec01b38e 473 long t = -a2*y; /* e(x+1/2,y-1/2) - (a^2+b^2)/4 */
Sissors 0:ab0aec01b38e 474 long dxt = 2*b2*x, dyt = -2*a2*y;
Sissors 0:ab0aec01b38e 475 long d2xt = 2*b2, d2yt = 2*a2;
Sissors 0:ab0aec01b38e 476
Sissors 0:ab0aec01b38e 477 while (y>=0 && x<=a)
Sissors 0:ab0aec01b38e 478 {
Sissors 0:ab0aec01b38e 479 pixel(xc+x, yc+y, color);
Sissors 0:ab0aec01b38e 480 if (x!=0 || y!=0)
Sissors 0:ab0aec01b38e 481 pixel(xc-x, yc-y, color);
Sissors 0:ab0aec01b38e 482 if (x!=0 && y!=0)
Sissors 0:ab0aec01b38e 483 {
Sissors 0:ab0aec01b38e 484 pixel(xc+x, yc-y, color);
Sissors 0:ab0aec01b38e 485 pixel(xc-x, yc+y, color);
Sissors 0:ab0aec01b38e 486 }
Sissors 0:ab0aec01b38e 487 if (t + b2*x <= crit1 || /* e(x+1,y-1/2) <= 0 */
Sissors 0:ab0aec01b38e 488 t + a2*y <= crit3) /* e(x+1/2,y) <= 0 */
Sissors 0:ab0aec01b38e 489 incx();
Sissors 0:ab0aec01b38e 490 else if (t - a2*y > crit2) /* e(x+1/2,y-1) > 0 */
Sissors 0:ab0aec01b38e 491 incy();
Sissors 0:ab0aec01b38e 492 else
Sissors 0:ab0aec01b38e 493 {
Sissors 0:ab0aec01b38e 494 incx();
Sissors 0:ab0aec01b38e 495 incy();
Sissors 0:ab0aec01b38e 496 }
Sissors 0:ab0aec01b38e 497 }
Sissors 0:ab0aec01b38e 498 }
Sissors 0:ab0aec01b38e 499
Sissors 0:ab0aec01b38e 500 void SPI_TFT::fill_ellipse(int xc, int yc, int a, int b, unsigned int color)
Sissors 0:ab0aec01b38e 501 { /* e(x,y) = b^2*x^2 + a^2*y^2 - a^2*b^2 */
Sissors 0:ab0aec01b38e 502 int x = 0, y = b;
Sissors 0:ab0aec01b38e 503 int rx = x, ry = y;
Sissors 0:ab0aec01b38e 504 unsigned int width = 1;
Sissors 0:ab0aec01b38e 505 unsigned int height = 1;
Sissors 0:ab0aec01b38e 506 long a2 = (long)a*a, b2 = (long)b*b;
Sissors 0:ab0aec01b38e 507 long crit1 = -(a2/4 + a%2 + b2);
Sissors 0:ab0aec01b38e 508 long crit2 = -(b2/4 + b%2 + a2);
Sissors 0:ab0aec01b38e 509 long crit3 = -(b2/4 + b%2);
Sissors 0:ab0aec01b38e 510 long t = -a2*y; /* e(x+1/2,y-1/2) - (a^2+b^2)/4 */
Sissors 0:ab0aec01b38e 511 long dxt = 2*b2*x, dyt = -2*a2*y;
Sissors 0:ab0aec01b38e 512 long d2xt = 2*b2, d2yt = 2*a2;
Sissors 0:ab0aec01b38e 513
Sissors 0:ab0aec01b38e 514 if (b == 0)
Sissors 0:ab0aec01b38e 515 {
Sissors 0:ab0aec01b38e 516 fillrect(xc-a, yc, 2*a+1, 1, color);
Sissors 0:ab0aec01b38e 517 return;
Sissors 0:ab0aec01b38e 518 }
Sissors 0:ab0aec01b38e 519
Sissors 0:ab0aec01b38e 520 while (y>=0 && x<=a)
Sissors 0:ab0aec01b38e 521 {
Sissors 0:ab0aec01b38e 522 if (t + b2*x <= crit1 || /* e(x+1,y-1/2) <= 0 */
Sissors 0:ab0aec01b38e 523 t + a2*y <= crit3) /* e(x+1/2,y) <= 0 */
Sissors 0:ab0aec01b38e 524 {
Sissors 0:ab0aec01b38e 525 if (height == 1)
Sissors 0:ab0aec01b38e 526 ; /* draw nothing */
Sissors 0:ab0aec01b38e 527 else if (ry*2+1 > (height-1)*2)
Sissors 0:ab0aec01b38e 528 {
Sissors 0:ab0aec01b38e 529 fillrect(xc-rx, yc-ry, width, height-1, color);
Sissors 0:ab0aec01b38e 530 fillrect(xc-rx, yc+ry+1, width, 1-height, color);
Sissors 0:ab0aec01b38e 531 ry -= height-1;
Sissors 0:ab0aec01b38e 532 height = 1;
Sissors 0:ab0aec01b38e 533 }
Sissors 0:ab0aec01b38e 534 else
Sissors 0:ab0aec01b38e 535 {
Sissors 0:ab0aec01b38e 536 fillrect(xc-rx, yc-ry, width, ry*2+1, color);
Sissors 0:ab0aec01b38e 537 ry -= ry;
Sissors 0:ab0aec01b38e 538 height = 1;
Sissors 0:ab0aec01b38e 539 }
Sissors 0:ab0aec01b38e 540 incx();
Sissors 0:ab0aec01b38e 541 rx++;
Sissors 0:ab0aec01b38e 542 width += 2;
Sissors 0:ab0aec01b38e 543 }
Sissors 0:ab0aec01b38e 544 else if (t - a2*y > crit2) /* e(x+1/2,y-1) > 0 */
Sissors 0:ab0aec01b38e 545 {
Sissors 0:ab0aec01b38e 546 incy();
Sissors 0:ab0aec01b38e 547 height++;
Sissors 0:ab0aec01b38e 548 }
Sissors 0:ab0aec01b38e 549 else
Sissors 0:ab0aec01b38e 550 {
Sissors 0:ab0aec01b38e 551 if (ry*2+1 > height*2)
Sissors 0:ab0aec01b38e 552 {
Sissors 0:ab0aec01b38e 553 fillrect(xc-rx, yc-ry, width, height, color);
Sissors 0:ab0aec01b38e 554 fillrect(xc-rx, yc+ry+1, width, -height, color);
Sissors 0:ab0aec01b38e 555 }
Sissors 0:ab0aec01b38e 556 else
Sissors 0:ab0aec01b38e 557 {
Sissors 0:ab0aec01b38e 558 fillrect(xc-rx, yc-ry, width, ry*2+1, color);
Sissors 0:ab0aec01b38e 559 }
Sissors 0:ab0aec01b38e 560 incx();
Sissors 0:ab0aec01b38e 561 incy();
Sissors 0:ab0aec01b38e 562 rx++;
Sissors 0:ab0aec01b38e 563 width += 2;
Sissors 0:ab0aec01b38e 564 ry -= height;
Sissors 0:ab0aec01b38e 565 height = 1;
Sissors 0:ab0aec01b38e 566 }
Sissors 0:ab0aec01b38e 567 }
Sissors 0:ab0aec01b38e 568
Sissors 0:ab0aec01b38e 569 if (ry > height)
Sissors 0:ab0aec01b38e 570 {
Sissors 0:ab0aec01b38e 571 fillrect(xc-rx, yc-ry, width, height, color);
Sissors 0:ab0aec01b38e 572 fillrect(xc-rx, yc+ry+1, width, -height, color);
Sissors 0:ab0aec01b38e 573 }
Sissors 0:ab0aec01b38e 574 else
Sissors 0:ab0aec01b38e 575 {
Sissors 0:ab0aec01b38e 576 fillrect(xc-rx, yc-ry, width, ry*2+1, color);
Sissors 0:ab0aec01b38e 577 }
Sissors 0:ab0aec01b38e 578 }
Sissors 0:ab0aec01b38e 579
Sissors 0:ab0aec01b38e 580
Sissors 0:ab0aec01b38e 581 void SPI_TFT::locate(int x, int y)
Sissors 0:ab0aec01b38e 582 {
Sissors 0:ab0aec01b38e 583 char_x = x;
Sissors 0:ab0aec01b38e 584 char_y = y;
Sissors 0:ab0aec01b38e 585 }
Sissors 0:ab0aec01b38e 586
Sissors 0:ab0aec01b38e 587 int SPI_TFT::columns()
Sissors 0:ab0aec01b38e 588 {
Sissors 0:ab0aec01b38e 589 return width() / font[1];
Sissors 0:ab0aec01b38e 590 }
Sissors 0:ab0aec01b38e 591
Sissors 0:ab0aec01b38e 592 int SPI_TFT::rows()
Sissors 0:ab0aec01b38e 593 {
Sissors 0:ab0aec01b38e 594 return height() / font[2];
Sissors 0:ab0aec01b38e 595 }
Sissors 0:ab0aec01b38e 596
Sissors 0:ab0aec01b38e 597 int SPI_TFT::_putc(int value)
Sissors 0:ab0aec01b38e 598 {
Sissors 0:ab0aec01b38e 599 if (value == '\n') // new line
Sissors 0:ab0aec01b38e 600 {
Sissors 0:ab0aec01b38e 601 char_x = 0;
Sissors 0:ab0aec01b38e 602 char_y = char_y + font[2];
Sissors 0:ab0aec01b38e 603 if (char_y >= height() - font[2])
Sissors 0:ab0aec01b38e 604 {
Sissors 0:ab0aec01b38e 605 char_y = 0;
Sissors 0:ab0aec01b38e 606 }
Sissors 0:ab0aec01b38e 607 }
Sissors 0:ab0aec01b38e 608 else
Sissors 0:ab0aec01b38e 609 {
Sissors 0:ab0aec01b38e 610 character(char_x, char_y, value);
Sissors 0:ab0aec01b38e 611 }
Sissors 0:ab0aec01b38e 612 return value;
Sissors 0:ab0aec01b38e 613 }
Sissors 0:ab0aec01b38e 614
Sissors 0:ab0aec01b38e 615 void SPI_TFT::character(int x, int y, int c)
Sissors 0:ab0aec01b38e 616 {
Sissors 0:ab0aec01b38e 617 unsigned int hor,vert,offset,bpl,j,i,b;
Sissors 0:ab0aec01b38e 618 unsigned char* bitmap_char;
Sissors 0:ab0aec01b38e 619 unsigned char z,w;
Sissors 0:ab0aec01b38e 620
Sissors 0:ab0aec01b38e 621 if ((c < 31) || (c > 127)) return; // test char range
Sissors 0:ab0aec01b38e 622
Sissors 0:ab0aec01b38e 623 // read font parameter from start of array
Sissors 0:ab0aec01b38e 624 offset = font[0]; // bytes / char
Sissors 0:ab0aec01b38e 625 hor = font[1]; // get hor size of font
Sissors 0:ab0aec01b38e 626 vert = font[2]; // get vert size of font
Sissors 0:ab0aec01b38e 627 bpl = font[3]; // bytes per line
Sissors 0:ab0aec01b38e 628
Sissors 0:ab0aec01b38e 629 if (char_x + hor > width())
Sissors 0:ab0aec01b38e 630 {
Sissors 0:ab0aec01b38e 631 char_x = 0;
Sissors 0:ab0aec01b38e 632 char_y = char_y + vert;
Sissors 0:ab0aec01b38e 633 if (char_y >= height() - font[2])
Sissors 0:ab0aec01b38e 634 {
Sissors 0:ab0aec01b38e 635 char_y = 0;
Sissors 0:ab0aec01b38e 636 }
Sissors 0:ab0aec01b38e 637 }
Sissors 0:ab0aec01b38e 638 mod_orientation();
Sissors 0:ab0aec01b38e 639
Sissors 0:ab0aec01b38e 640 bitmap_char = &font[((c -32) * offset) + 4]; // start of char bitmap
Sissors 0:ab0aec01b38e 641 w = bitmap_char[0]; // width of actual char
Sissors 0:ab0aec01b38e 642 window(char_x, char_y,w,vert); // char box
Sissors 0:ab0aec01b38e 643 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 644 _cs = 0;
Sissors 0:ab0aec01b38e 645 wr_dat_start();
Sissors 0:ab0aec01b38e 646
Sissors 0:ab0aec01b38e 647
Sissors 0:ab0aec01b38e 648 for (j=0; j<vert; j++) // vert line
Sissors 0:ab0aec01b38e 649 {
Sissors 0:ab0aec01b38e 650 for (i=0; i<w; i++) // horz line
Sissors 0:ab0aec01b38e 651 {
Sissors 0:ab0aec01b38e 652 z = bitmap_char[bpl * i + ((j & 0xF8) >> 3)+1];
Sissors 0:ab0aec01b38e 653 b = 1 << (j & 0x07);
Sissors 0:ab0aec01b38e 654 if (( z & b ) == 0x00)
Sissors 0:ab0aec01b38e 655 {
Sissors 0:ab0aec01b38e 656 wr_dat_only(_background);
Sissors 0:ab0aec01b38e 657 }
Sissors 0:ab0aec01b38e 658 else
Sissors 0:ab0aec01b38e 659 {
Sissors 0:ab0aec01b38e 660 wr_dat_only(_foreground);
Sissors 0:ab0aec01b38e 661 }
Sissors 0:ab0aec01b38e 662 }
Sissors 0:ab0aec01b38e 663 }
Sissors 0:ab0aec01b38e 664 _cs = 1;
Sissors 0:ab0aec01b38e 665 if ((w + 2) < hor) // x offset to next char
Sissors 0:ab0aec01b38e 666 {
Sissors 0:ab0aec01b38e 667 char_x += w + 2;
Sissors 0:ab0aec01b38e 668 }
Sissors 0:ab0aec01b38e 669 else char_x += hor;
Sissors 0:ab0aec01b38e 670 }
Sissors 0:ab0aec01b38e 671
Sissors 0:ab0aec01b38e 672
Sissors 0:ab0aec01b38e 673 void SPI_TFT::set_font(unsigned char* f)
Sissors 0:ab0aec01b38e 674 {
Sissors 0:ab0aec01b38e 675 font = f;
Sissors 0:ab0aec01b38e 676 }
Sissors 0:ab0aec01b38e 677
Sissors 0:ab0aec01b38e 678
Sissors 0:ab0aec01b38e 679 void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
Sissors 0:ab0aec01b38e 680 {
Sissors 0:ab0aec01b38e 681 unsigned int i,j;
Sissors 0:ab0aec01b38e 682 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
Sissors 0:ab0aec01b38e 683 mod_orientation();
Sissors 0:ab0aec01b38e 684 window(x, y, w, h);
Sissors 0:ab0aec01b38e 685 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 686 _cs = 0;
Sissors 0:ab0aec01b38e 687 wr_dat_start();
Sissors 0:ab0aec01b38e 688 _spi.format(16,3);
Sissors 0:ab0aec01b38e 689 bitmap_ptr += ((h - 1)*w);
Sissors 0:ab0aec01b38e 690 for (j = 0; j < h; j++) //Lines
Sissors 0:ab0aec01b38e 691 {
Sissors 0:ab0aec01b38e 692 for (i = 0; i < w; i++) // copy pixel data to TFT
Sissors 0:ab0aec01b38e 693 {
Sissors 0:ab0aec01b38e 694 _spi.write(*bitmap_ptr); // one line
Sissors 0:ab0aec01b38e 695 bitmap_ptr++;
Sissors 0:ab0aec01b38e 696 }
Sissors 0:ab0aec01b38e 697 bitmap_ptr -= 2*w;
Sissors 0:ab0aec01b38e 698 }
Sissors 0:ab0aec01b38e 699 _spi.format(8,3);
Sissors 0:ab0aec01b38e 700 _cs = 1;
Sissors 0:ab0aec01b38e 701 }
Sissors 0:ab0aec01b38e 702
Sissors 0:ab0aec01b38e 703 int SPI_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
Sissors 0:ab0aec01b38e 704 {
Sissors 0:ab0aec01b38e 705 /* // Current code unusable : Rewrite without DMA is needed
Sissors 0:ab0aec01b38e 706 #define OffsetPixelWidth 18
Sissors 0:ab0aec01b38e 707 #define OffsetPixelHeigh 22
Sissors 0:ab0aec01b38e 708 #define OffsetFileSize 34
Sissors 0:ab0aec01b38e 709 #define OffsetPixData 10
Sissors 0:ab0aec01b38e 710 #define OffsetBPP 28
Sissors 0:ab0aec01b38e 711
Sissors 0:ab0aec01b38e 712 char filename[50];
Sissors 0:ab0aec01b38e 713 unsigned char BMP_Header[54];
Sissors 0:ab0aec01b38e 714 unsigned short BPP_t;
Sissors 0:ab0aec01b38e 715 unsigned int PixelWidth,PixelHeigh,start_data;
Sissors 0:ab0aec01b38e 716 unsigned int i,off;
Sissors 0:ab0aec01b38e 717 int padd,j;
Sissors 0:ab0aec01b38e 718 unsigned short *line;
Sissors 0:ab0aec01b38e 719
Sissors 0:ab0aec01b38e 720 // get the filename
Sissors 0:ab0aec01b38e 721 LocalFileSystem local("local");
Sissors 0:ab0aec01b38e 722 sprintf(&filename[0],"/local/");
Sissors 0:ab0aec01b38e 723 i=7;
Sissors 0:ab0aec01b38e 724 while (*Name_BMP!='\0') {
Sissors 0:ab0aec01b38e 725 filename[i++]=*Name_BMP++;
Sissors 0:ab0aec01b38e 726 }
Sissors 0:ab0aec01b38e 727
Sissors 0:ab0aec01b38e 728 fprintf(stderr, "filename : %s \n\r",filename);
Sissors 0:ab0aec01b38e 729
Sissors 0:ab0aec01b38e 730 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
Sissors 0:ab0aec01b38e 731 if (!Image) {
Sissors 0:ab0aec01b38e 732 return(0); // error file not found !
Sissors 0:ab0aec01b38e 733 }
Sissors 0:ab0aec01b38e 734
Sissors 0:ab0aec01b38e 735 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
Sissors 0:ab0aec01b38e 736
Sissors 0:ab0aec01b38e 737 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
Sissors 0:ab0aec01b38e 738 fclose(Image);
Sissors 0:ab0aec01b38e 739 return(-1); // error no BMP file
Sissors 0:ab0aec01b38e 740 }
Sissors 0:ab0aec01b38e 741
Sissors 0:ab0aec01b38e 742 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
Sissors 0:ab0aec01b38e 743 if (BPP_t != 0x0010) {
Sissors 0:ab0aec01b38e 744 fclose(Image);
Sissors 0:ab0aec01b38e 745 return(-2); // error no 16 bit BMP
Sissors 0:ab0aec01b38e 746 }
Sissors 0:ab0aec01b38e 747
Sissors 0:ab0aec01b38e 748 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
Sissors 0:ab0aec01b38e 749 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
Sissors 0:ab0aec01b38e 750 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
Sissors 0:ab0aec01b38e 751 fclose(Image);
Sissors 0:ab0aec01b38e 752 return(-3); // to big
Sissors 0:ab0aec01b38e 753 }
Sissors 0:ab0aec01b38e 754
Sissors 0:ab0aec01b38e 755 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
Sissors 0:ab0aec01b38e 756
Sissors 0:ab0aec01b38e 757 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
Sissors 0:ab0aec01b38e 758 if (line == NULL) {
Sissors 0:ab0aec01b38e 759 return(-4); // error no memory
Sissors 0:ab0aec01b38e 760 }
Sissors 0:ab0aec01b38e 761
Sissors 0:ab0aec01b38e 762 // the bmp lines are padded to multiple of 4 bytes
Sissors 0:ab0aec01b38e 763 padd = -1;
Sissors 0:ab0aec01b38e 764 do {
Sissors 0:ab0aec01b38e 765 padd ++;
Sissors 0:ab0aec01b38e 766 } while ((PixelWidth * 2 + padd)%4 != 0);
Sissors 0:ab0aec01b38e 767
Sissors 0:ab0aec01b38e 768
Sissors 0:ab0aec01b38e 769 //fseek(Image, 70 ,SEEK_SET);
Sissors 0:ab0aec01b38e 770 window(x, y,PixelWidth ,PixelHeigh);
Sissors 0:ab0aec01b38e 771 wr_cmd(0x22);
Sissors 0:ab0aec01b38e 772 _cs = 0;
Sissors 0:ab0aec01b38e 773
Sissors 0:ab0aec01b38e 774 if (spi_port == 0) { // TFT on SSP0
Sissors 0:ab0aec01b38e 775 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0
Sissors 0:ab0aec01b38e 776 // LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
Sissors 0:ab0aec01b38e 777 LPC_SSP0->DR = 0x72; // start Data
Sissors 0:ab0aec01b38e 778 LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit
Sissors 0:ab0aec01b38e 779 // Enable SSP0 for DMA.
Sissors 0:ab0aec01b38e 780 LPC_SSP0->DMACR = 0x2;
Sissors 0:ab0aec01b38e 781
Sissors 0:ab0aec01b38e 782 } else {
Sissors 0:ab0aec01b38e 783 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
Sissors 0:ab0aec01b38e 784 // LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit
Sissors 0:ab0aec01b38e 785 LPC_SSP1->DR = 0x72; // start Data
Sissors 0:ab0aec01b38e 786 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
Sissors 0:ab0aec01b38e 787 // Enable SSP1 for DMA.
Sissors 0:ab0aec01b38e 788 LPC_SSP1->DMACR = 0x2;
Sissors 0:ab0aec01b38e 789 }
Sissors 0:ab0aec01b38e 790 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
Sissors 0:ab0aec01b38e 791 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
Sissors 0:ab0aec01b38e 792 fseek(Image, off ,SEEK_SET);
Sissors 0:ab0aec01b38e 793 fread(line,1,PixelWidth * 2,Image); // read a line - slow !
Sissors 0:ab0aec01b38e 794
Sissors 0:ab0aec01b38e 795 LPC_GPDMA->DMACIntTCClear = 0x1;
Sissors 0:ab0aec01b38e 796 LPC_GPDMA->DMACIntErrClr = 0x1;
Sissors 0:ab0aec01b38e 797 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line;
Sissors 0:ab0aec01b38e 798 LPC_GPDMACH0->DMACCControl = PixelWidth | (0UL << 18) | (0UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
Sissors 0:ab0aec01b38e 799 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX);
Sissors 0:ab0aec01b38e 800 LPC_GPDMA->DMACSoftSReq = 0x1;
Sissors 0:ab0aec01b38e 801 do {
Sissors 0:ab0aec01b38e 802 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
Sissors 0:ab0aec01b38e 803
Sissors 0:ab0aec01b38e 804 }
Sissors 0:ab0aec01b38e 805
Sissors 0:ab0aec01b38e 806 if (spi_port == 0) { // TFT on SSP0
Sissors 0:ab0aec01b38e 807 do {
Sissors 0:ab0aec01b38e 808 } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty
Sissors 0:ab0aec01b38e 809 LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit
Sissors 0:ab0aec01b38e 810 } else {
Sissors 0:ab0aec01b38e 811 do {
Sissors 0:ab0aec01b38e 812 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty
Sissors 0:ab0aec01b38e 813 LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit
Sissors 0:ab0aec01b38e 814 }
Sissors 0:ab0aec01b38e 815 _cs = 1;
Sissors 0:ab0aec01b38e 816 free (line);
Sissors 0:ab0aec01b38e 817 fclose(Image);
Sissors 0:ab0aec01b38e 818 WindowMax();
Sissors 0:ab0aec01b38e 819 */
Sissors 0:ab0aec01b38e 820 return(1);
Sissors 0:ab0aec01b38e 821 }