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Dependencies:   IAP NTPClient RTC mbed-rtos mbed Socket lwip-sys lwip BurstSPI

Fork of LPC1768_Mini-DK by Frank Vannieuwkerke

Mini-DK/SPI_TFT/SPI_TFT.h@6:b547fb6c1095, 2013-01-03 (annotated)

Committer:
Sissors
Date:
Thu Jan 03 21:24:05 2013 +0000
Revision:
6:b547fb6c1095
Parent:
5:781a72d380a1
Child:
7:ffdd4e75b366
Faster writing to LCD;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frankvnk 2:d0acbd263ec7 1 // mbed library for 240*320 pixel display TFT
frankvnk 2:d0acbd263ec7 2
frankvnk 2:d0acbd263ec7 3 #ifndef MBED_SPI_TFT_H
frankvnk 2:d0acbd263ec7 4 #define MBED_SPI_TFT_H
frankvnk 2:d0acbd263ec7 5
frankvnk 2:d0acbd263ec7 6
frankvnk 2:d0acbd263ec7 7 #include "GraphicsDisplay.h"
Sissors 6:b547fb6c1095 8 #include "BurstSPI.h"
frankvnk 2:d0acbd263ec7 9 #include "mbed.h"
frankvnk 2:d0acbd263ec7 10
Sissors 6:b547fb6c1095 11
frankvnk 2:d0acbd263ec7 12 #define incx() x++, dxt += d2xt, t += dxt
frankvnk 2:d0acbd263ec7 13 #define incy() y--, dyt += d2yt, t += dyt
frankvnk 2:d0acbd263ec7 14
frankvnk 2:d0acbd263ec7 15 #define SPI_F_LO 10000000
frankvnk 2:d0acbd263ec7 16 #define SPI_F_HI 48000000
frankvnk 2:d0acbd263ec7 17
frankvnk 2:d0acbd263ec7 18 /* some RGB565 color definitions */
frankvnk 2:d0acbd263ec7 19 #define Black 0x0000 /* 0, 0, 0 */
frankvnk 2:d0acbd263ec7 20 #define Navy 0x000F /* 0, 0, 128 */
frankvnk 2:d0acbd263ec7 21 #define DarkGreen 0x03E0 /* 0, 128, 0 */
frankvnk 2:d0acbd263ec7 22 #define DarkCyan 0x03EF /* 0, 128, 128 */
frankvnk 2:d0acbd263ec7 23 #define Maroon 0x7800 /* 128, 0, 0 */
frankvnk 2:d0acbd263ec7 24 #define Purple 0x780F /* 128, 0, 128 */
frankvnk 2:d0acbd263ec7 25 #define Olive 0x7BE0 /* 128, 128, 0 */
frankvnk 2:d0acbd263ec7 26 #define LightGrey 0xC618 /* 192, 192, 192 */
frankvnk 2:d0acbd263ec7 27 #define DarkGrey 0x7BEF /* 128, 128, 128 */
frankvnk 2:d0acbd263ec7 28 #define Blue 0x001F /* 0, 0, 255 */
frankvnk 2:d0acbd263ec7 29 #define Green 0x07E0 /* 0, 255, 0 */
frankvnk 2:d0acbd263ec7 30 #define Cyan 0x07FF /* 0, 255, 255 */
frankvnk 2:d0acbd263ec7 31 #define Red 0xF800 /* 255, 0, 0 */
frankvnk 2:d0acbd263ec7 32 #define Magenta 0xF81F /* 255, 0, 255 */
frankvnk 2:d0acbd263ec7 33 #define Yellow 0xFFE0 /* 255, 255, 0 */
frankvnk 2:d0acbd263ec7 34 #define White 0xFFFF /* 255, 255, 255 */
frankvnk 2:d0acbd263ec7 35 #define Orange 0xFD20 /* 255, 165, 0 */
frankvnk 2:d0acbd263ec7 36 #define GreenYellow 0xAFE5 /* 173, 255, 47 */
frankvnk 2:d0acbd263ec7 37
frankvnk 2:d0acbd263ec7 38 class SPI_TFT : public GraphicsDisplay {
frankvnk 2:d0acbd263ec7 39 public:
frankvnk 2:d0acbd263ec7 40
frankvnk 2:d0acbd263ec7 41 /** Create a SPI_TFT object connected to SPI and two pins
frankvnk 2:d0acbd263ec7 42 *
frankvnk 2:d0acbd263ec7 43 * @param mosi,miso,sclk SPI
frankvnk 2:d0acbd263ec7 44 * @param cs pin connected to CS of display
frankvnk 2:d0acbd263ec7 45 * @param reset pin connected to RESET of display
frankvnk 2:d0acbd263ec7 46 *
frankvnk 2:d0acbd263ec7 47 */
frankvnk 2:d0acbd263ec7 48 SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name ="TFT");
frankvnk 2:d0acbd263ec7 49
frankvnk 2:d0acbd263ec7 50 /** Write a value to the to a LCD register
frankvnk 2:d0acbd263ec7 51 *
frankvnk 2:d0acbd263ec7 52 * @param reg register to be written
frankvnk 2:d0acbd263ec7 53 * @param val data to be written
frankvnk 2:d0acbd263ec7 54 */
frankvnk 2:d0acbd263ec7 55 void wr_reg (unsigned char reg, unsigned short val);
frankvnk 2:d0acbd263ec7 56
frankvnk 2:d0acbd263ec7 57 /** Get the width of the screen in pixel
frankvnk 2:d0acbd263ec7 58 *
frankvnk 2:d0acbd263ec7 59 * @param
frankvnk 2:d0acbd263ec7 60 * @returns width of screen in pixel
frankvnk 2:d0acbd263ec7 61 *
frankvnk 2:d0acbd263ec7 62 */
frankvnk 2:d0acbd263ec7 63 virtual int width();
frankvnk 2:d0acbd263ec7 64
frankvnk 2:d0acbd263ec7 65 /** Get the height of the screen in pixel
frankvnk 2:d0acbd263ec7 66 *
frankvnk 2:d0acbd263ec7 67 * @returns height of screen in pixel
frankvnk 2:d0acbd263ec7 68 *
frankvnk 2:d0acbd263ec7 69 */
frankvnk 2:d0acbd263ec7 70 virtual int height();
frankvnk 2:d0acbd263ec7 71
frankvnk 2:d0acbd263ec7 72 /** Draw a pixel at x,y with color
frankvnk 2:d0acbd263ec7 73 *
frankvnk 2:d0acbd263ec7 74 * @param x horizontal position
frankvnk 2:d0acbd263ec7 75 * @param y vertical position
frankvnk 2:d0acbd263ec7 76 * @param color 16 bit pixel color
frankvnk 2:d0acbd263ec7 77 */
frankvnk 2:d0acbd263ec7 78 virtual void pixel(int x, int y,int colour);
frankvnk 2:d0acbd263ec7 79
frankvnk 2:d0acbd263ec7 80 /** Set draw window region to whole screen
frankvnk 2:d0acbd263ec7 81 *
frankvnk 2:d0acbd263ec7 82 */
frankvnk 2:d0acbd263ec7 83 void WindowMax (void);
frankvnk 2:d0acbd263ec7 84
frankvnk 2:d0acbd263ec7 85 /** draw a 1 pixel line
frankvnk 2:d0acbd263ec7 86 *
frankvnk 2:d0acbd263ec7 87 * @param x0,y0 start point
frankvnk 2:d0acbd263ec7 88 * @param x1,y1 stop point
frankvnk 2:d0acbd263ec7 89 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 90 *
frankvnk 2:d0acbd263ec7 91 */
frankvnk 2:d0acbd263ec7 92 void line(int x0, int y0, int x1, int y1, int colour);
frankvnk 2:d0acbd263ec7 93
frankvnk 2:d0acbd263ec7 94 /** draw a rect
frankvnk 2:d0acbd263ec7 95 *
frankvnk 2:d0acbd263ec7 96 * @param x0,y0 top left corner
frankvnk 2:d0acbd263ec7 97 * @param w,h width and height
frankvnk 2:d0acbd263ec7 98 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 99 * *
frankvnk 2:d0acbd263ec7 100 */
frankvnk 2:d0acbd263ec7 101 void rect(int x0, int y0, int w, int h, int colour);
frankvnk 2:d0acbd263ec7 102
frankvnk 2:d0acbd263ec7 103 /** draw a filled rect
frankvnk 2:d0acbd263ec7 104 *
frankvnk 2:d0acbd263ec7 105 * @param x0,y0 top left corner
frankvnk 2:d0acbd263ec7 106 * @param w,h width and height
frankvnk 2:d0acbd263ec7 107 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 108 *
frankvnk 2:d0acbd263ec7 109 */
frankvnk 2:d0acbd263ec7 110 void fillrect(int x0, int y0, int w, int h, int colour);
frankvnk 2:d0acbd263ec7 111
frankvnk 2:d0acbd263ec7 112 /** draw an ellipse - source : http://enchantia.com/graphapp/doc/tech/ellipses.html
frankvnk 2:d0acbd263ec7 113 *
frankvnk 2:d0acbd263ec7 114 * @param xc,yc center point
frankvnk 2:d0acbd263ec7 115 * @param a,b semi-major axis and semi-minor axis
frankvnk 2:d0acbd263ec7 116 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 117 *
frankvnk 2:d0acbd263ec7 118 */
frankvnk 2:d0acbd263ec7 119 void draw_ellipse(int xc, int yc, int a, int b, unsigned int color);
frankvnk 2:d0acbd263ec7 120
frankvnk 2:d0acbd263ec7 121 /** draw a filled ellipse - source : http://enchantia.com/graphapp/doc/tech/ellipses.html
frankvnk 2:d0acbd263ec7 122 *
frankvnk 2:d0acbd263ec7 123 * @param xc,yc center point
frankvnk 2:d0acbd263ec7 124 * @param a,b semi-major axis and semi-minor axis
frankvnk 2:d0acbd263ec7 125 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 126 *
frankvnk 2:d0acbd263ec7 127 */
frankvnk 2:d0acbd263ec7 128 void fill_ellipse(int xc, int yc, int a, int b, unsigned int color);
frankvnk 2:d0acbd263ec7 129
frankvnk 2:d0acbd263ec7 130 /** setup cursor position
frankvnk 2:d0acbd263ec7 131 *
frankvnk 2:d0acbd263ec7 132 * @param x x-position (top left)
frankvnk 2:d0acbd263ec7 133 * @param y y-position
frankvnk 2:d0acbd263ec7 134 */
frankvnk 2:d0acbd263ec7 135 virtual void locate(int x, int y);
frankvnk 2:d0acbd263ec7 136
frankvnk 2:d0acbd263ec7 137 /** Fill the screen with _backgroun color
frankvnk 2:d0acbd263ec7 138 *
frankvnk 2:d0acbd263ec7 139 */
frankvnk 2:d0acbd263ec7 140 virtual void cls (void);
frankvnk 2:d0acbd263ec7 141
frankvnk 2:d0acbd263ec7 142 /** Read ILI9320 ID
frankvnk 2:d0acbd263ec7 143 *
frankvnk 2:d0acbd263ec7 144 * @returns LCD ID code
frankvnk 2:d0acbd263ec7 145 *
frankvnk 2:d0acbd263ec7 146 */
frankvnk 2:d0acbd263ec7 147 unsigned short Read_ID(void);
frankvnk 2:d0acbd263ec7 148
frankvnk 2:d0acbd263ec7 149 /** calculate the max number of char in a line
frankvnk 2:d0acbd263ec7 150 *
frankvnk 2:d0acbd263ec7 151 * @returns max columns
frankvnk 2:d0acbd263ec7 152 * depends on actual font size
frankvnk 2:d0acbd263ec7 153 *
frankvnk 2:d0acbd263ec7 154 */
frankvnk 2:d0acbd263ec7 155 virtual int columns(void);
frankvnk 2:d0acbd263ec7 156
frankvnk 2:d0acbd263ec7 157 /** calculate the max number of columns
frankvnk 2:d0acbd263ec7 158 *
frankvnk 2:d0acbd263ec7 159 * @returns max column
frankvnk 2:d0acbd263ec7 160 * depends on actual font size
frankvnk 2:d0acbd263ec7 161 *
frankvnk 2:d0acbd263ec7 162 */
frankvnk 2:d0acbd263ec7 163 virtual int rows(void);
frankvnk 2:d0acbd263ec7 164
frankvnk 2:d0acbd263ec7 165 /** put a char on the screen
frankvnk 2:d0acbd263ec7 166 *
frankvnk 2:d0acbd263ec7 167 * @param value char to print
frankvnk 2:d0acbd263ec7 168 * @returns printed char
frankvnk 2:d0acbd263ec7 169 *
frankvnk 2:d0acbd263ec7 170 */
frankvnk 2:d0acbd263ec7 171 virtual int _putc(int value);
frankvnk 2:d0acbd263ec7 172
frankvnk 2:d0acbd263ec7 173 /** draw a character on given position out of the active font to the TFT
frankvnk 2:d0acbd263ec7 174 *
frankvnk 2:d0acbd263ec7 175 * @param x x-position of char (top left)
frankvnk 2:d0acbd263ec7 176 * @param y y-position
frankvnk 2:d0acbd263ec7 177 * @param c char to print
frankvnk 2:d0acbd263ec7 178 *
frankvnk 2:d0acbd263ec7 179 */
frankvnk 2:d0acbd263ec7 180 virtual void character(int x, int y, int c);
frankvnk 2:d0acbd263ec7 181
frankvnk 2:d0acbd263ec7 182 /** paint a bitmap on the TFT
frankvnk 2:d0acbd263ec7 183 *
frankvnk 2:d0acbd263ec7 184 * @param x,y : upper left corner
frankvnk 2:d0acbd263ec7 185 * @param w width of bitmap
frankvnk 2:d0acbd263ec7 186 * @param h high of bitmap
frankvnk 2:d0acbd263ec7 187 * @param *bitmap pointer to the bitmap data
frankvnk 2:d0acbd263ec7 188 *
frankvnk 2:d0acbd263ec7 189 * bitmap format: 16 bit R5 G6 B5
frankvnk 2:d0acbd263ec7 190 *
frankvnk 2:d0acbd263ec7 191 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
frankvnk 2:d0acbd263ec7 192 * use winhex to load this file and mark data stating at offset 0x46 to end
frankvnk 2:d0acbd263ec7 193 * use edit -> copy block -> C Source to export C array
frankvnk 2:d0acbd263ec7 194 * paste this array into your program
frankvnk 2:d0acbd263ec7 195 *
frankvnk 2:d0acbd263ec7 196 * define the array as static const unsigned char to put it into flash memory
frankvnk 2:d0acbd263ec7 197 * cast the pointer to (unsigned char *) :
frankvnk 2:d0acbd263ec7 198 * tft.Bitmap(10,40,309,50,(unsigned char *)scala);
frankvnk 2:d0acbd263ec7 199 */
frankvnk 2:d0acbd263ec7 200 void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
frankvnk 2:d0acbd263ec7 201
frankvnk 2:d0acbd263ec7 202
frankvnk 2:d0acbd263ec7 203 /** paint a 16 bit BMP from local filesytem on the TFT (slow)
frankvnk 2:d0acbd263ec7 204 *
frankvnk 2:d0acbd263ec7 205 * @param x,y : upper left corner
frankvnk 2:d0acbd263ec7 206 * @param *Name_BMP name of the BMP file
frankvnk 2:d0acbd263ec7 207 * @returns 1 if bmp file was found and painted
frankvnk 2:d0acbd263ec7 208 * @returns -1 if bmp file was not found
frankvnk 2:d0acbd263ec7 209 * @returns -2 if bmp file is not 16bit
frankvnk 2:d0acbd263ec7 210 * @returns -3 if bmp file is to big for screen
frankvnk 2:d0acbd263ec7 211 * @returns -4 if buffer malloc go wrong
frankvnk 2:d0acbd263ec7 212 *
frankvnk 2:d0acbd263ec7 213 * bitmap format: 16 bit R5 G6 B5
frankvnk 2:d0acbd263ec7 214 *
frankvnk 2:d0acbd263ec7 215 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
frankvnk 2:d0acbd263ec7 216 * copy to internal file system
frankvnk 2:d0acbd263ec7 217 *
frankvnk 2:d0acbd263ec7 218 */
frankvnk 2:d0acbd263ec7 219
frankvnk 2:d0acbd263ec7 220 int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
frankvnk 2:d0acbd263ec7 221
frankvnk 2:d0acbd263ec7 222
frankvnk 2:d0acbd263ec7 223
frankvnk 2:d0acbd263ec7 224 /** select the font to use
frankvnk 2:d0acbd263ec7 225 *
frankvnk 2:d0acbd263ec7 226 * @param f pointer to font array
frankvnk 2:d0acbd263ec7 227 *
frankvnk 2:d0acbd263ec7 228 * font array can created with GLCD Font Creator from http://www.mikroe.com
frankvnk 2:d0acbd263ec7 229 * you have to add 4 parameter at the beginning of the font array to use:
frankvnk 2:d0acbd263ec7 230 * - the number of byte / char
frankvnk 2:d0acbd263ec7 231 * - the vertial size in pixel
frankvnk 2:d0acbd263ec7 232 * - the horizontal size in pixel
frankvnk 2:d0acbd263ec7 233 * - the number of byte per vertical line
frankvnk 2:d0acbd263ec7 234 * you also have to change the array to char[]
frankvnk 2:d0acbd263ec7 235 *
frankvnk 2:d0acbd263ec7 236 */
frankvnk 2:d0acbd263ec7 237 void set_font(unsigned char* f);
frankvnk 2:d0acbd263ec7 238
frankvnk 2:d0acbd263ec7 239 /** Set the orientation of the screen
frankvnk 2:d0acbd263ec7 240 * x,y: 0,0 is always top left
frankvnk 2:d0acbd263ec7 241 *
frankvnk 2:d0acbd263ec7 242 * @param o direction to use the screen (0-3) 90� Steps
frankvnk 2:d0acbd263ec7 243 *
frankvnk 2:d0acbd263ec7 244 */
frankvnk 2:d0acbd263ec7 245 void set_orientation(unsigned int o);
frankvnk 2:d0acbd263ec7 246 void mod_orientation(void);
Sissors 6:b547fb6c1095 247 BurstSPI _spi;
frankvnk 2:d0acbd263ec7 248 DigitalOut _cs;
frankvnk 2:d0acbd263ec7 249 unsigned char* font;
frankvnk 2:d0acbd263ec7 250
frankvnk 2:d0acbd263ec7 251
frankvnk 2:d0acbd263ec7 252
frankvnk 2:d0acbd263ec7 253 // ------------------ PROTECTED PART ------------------
frankvnk 2:d0acbd263ec7 254 protected:
frankvnk 2:d0acbd263ec7 255
frankvnk 2:d0acbd263ec7 256 /** draw a horizontal line
frankvnk 2:d0acbd263ec7 257 *
frankvnk 2:d0acbd263ec7 258 * @param x0 horizontal start
frankvnk 2:d0acbd263ec7 259 * @param x1 horizontal stop
frankvnk 2:d0acbd263ec7 260 * @param y vertical position
frankvnk 2:d0acbd263ec7 261 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 262 *
frankvnk 2:d0acbd263ec7 263 */
frankvnk 2:d0acbd263ec7 264 void hline(int x0, int x1, int y, int colour);
frankvnk 2:d0acbd263ec7 265
frankvnk 2:d0acbd263ec7 266 /** draw a vertical line
frankvnk 2:d0acbd263ec7 267 *
frankvnk 2:d0acbd263ec7 268 * @param x horizontal position
frankvnk 2:d0acbd263ec7 269 * @param y0 vertical start
frankvnk 2:d0acbd263ec7 270 * @param y1 vertical stop
frankvnk 2:d0acbd263ec7 271 * @param color 16 bit color
frankvnk 2:d0acbd263ec7 272 */
frankvnk 2:d0acbd263ec7 273 void vline(int y0, int y1, int x, int colour);
frankvnk 2:d0acbd263ec7 274
frankvnk 2:d0acbd263ec7 275 /** Set draw window region
frankvnk 2:d0acbd263ec7 276 *
frankvnk 2:d0acbd263ec7 277 * @param x horizontal position
frankvnk 2:d0acbd263ec7 278 * @param y vertical position
frankvnk 2:d0acbd263ec7 279 * @param w window width in pixel
frankvnk 2:d0acbd263ec7 280 * @param h window height in pixels
frankvnk 2:d0acbd263ec7 281 */
Sissors 5:781a72d380a1 282 virtual void window (int x, int y, int w, int h);
frankvnk 2:d0acbd263ec7 283
frankvnk 2:d0acbd263ec7 284 /** Init the ILI9320 controller
frankvnk 2:d0acbd263ec7 285 *
frankvnk 2:d0acbd263ec7 286 */
frankvnk 2:d0acbd263ec7 287 void tft_reset();
frankvnk 2:d0acbd263ec7 288
frankvnk 2:d0acbd263ec7 289 /** Write data to the LCD controller
frankvnk 2:d0acbd263ec7 290 *
frankvnk 2:d0acbd263ec7 291 * @param dat data written to LCD controller
frankvnk 2:d0acbd263ec7 292 *
frankvnk 2:d0acbd263ec7 293 */
frankvnk 2:d0acbd263ec7 294 void wr_dat(unsigned short value);
frankvnk 2:d0acbd263ec7 295
frankvnk 2:d0acbd263ec7 296 /** Start data sequence to the LCD controller
frankvnk 2:d0acbd263ec7 297 *
frankvnk 2:d0acbd263ec7 298 */
frankvnk 2:d0acbd263ec7 299 //void wr_dat_start();
frankvnk 2:d0acbd263ec7 300 void wr_dat_start(void);
frankvnk 2:d0acbd263ec7 301
frankvnk 2:d0acbd263ec7 302 /** Write a command the LCD controller
frankvnk 2:d0acbd263ec7 303 *
frankvnk 2:d0acbd263ec7 304 * @param cmd: command to be written
frankvnk 2:d0acbd263ec7 305 *
frankvnk 2:d0acbd263ec7 306 */
frankvnk 2:d0acbd263ec7 307 void wr_cmd(unsigned char value);
frankvnk 2:d0acbd263ec7 308
frankvnk 2:d0acbd263ec7 309 /** Read data from the LCD controller
frankvnk 2:d0acbd263ec7 310 *
frankvnk 2:d0acbd263ec7 311 * @returns data from LCD controller
frankvnk 2:d0acbd263ec7 312 *
frankvnk 2:d0acbd263ec7 313 */
frankvnk 2:d0acbd263ec7 314 unsigned short rd_dat(void);
frankvnk 2:d0acbd263ec7 315
frankvnk 2:d0acbd263ec7 316 /** Read a LCD register
frankvnk 2:d0acbd263ec7 317 *
frankvnk 2:d0acbd263ec7 318 * @param reg register to be read
frankvnk 2:d0acbd263ec7 319 * @returns value of the register
frankvnk 2:d0acbd263ec7 320 */
frankvnk 2:d0acbd263ec7 321 unsigned short rd_reg (unsigned char reg);
frankvnk 2:d0acbd263ec7 322
frankvnk 2:d0acbd263ec7 323 void SetCursor( unsigned short Xpos, unsigned short Ypos );
frankvnk 2:d0acbd263ec7 324
frankvnk 2:d0acbd263ec7 325 unsigned int orientation;
frankvnk 2:d0acbd263ec7 326 unsigned int char_x;
frankvnk 2:d0acbd263ec7 327 unsigned int char_y;
frankvnk 2:d0acbd263ec7 328
frankvnk 2:d0acbd263ec7 329 };
frankvnk 2:d0acbd263ec7 330
frankvnk 2:d0acbd263ec7 331 #endif