Peter Drescher / SPI_TFT

Library to control a QVGA TFT connected to SPI. You can use printf to print text The lib can handle different fonts, draw lines, circles, rect and bmp

Dependents:   TFT_Test1 SourceCodePro31-SB Mandelbrot Mindwave-screen ... more

See http://mbed.org/cookbook/SPI-driven-QVGA-TFT for details.

SPI_TFT.h@1:17e12e4e149f, 2012-09-11 (annotated)

Committer:
dreschpe
Date:
Tue Sep 11 15:51:52 2012 +0000
Revision:
1:17e12e4e149f
Parent:
0:de9d1462a835
Child:
7:e753bb62eeb9
Switch back to manual set of CS instead of using spi hardware. Interruption of datatransfer with interrupt or RTOS could cause problems.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
dreschpe 0:de9d1462a835 2 * Copyright (c) 2011 Peter Drescher - DC2PD
dreschpe 0:de9d1462a835 3 *
dreschpe 0:de9d1462a835 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:de9d1462a835 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:de9d1462a835 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:de9d1462a835 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:de9d1462a835 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:de9d1462a835 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:de9d1462a835 10 * THE SOFTWARE.
dreschpe 0:de9d1462a835 11 */
dreschpe 0:de9d1462a835 12
dreschpe 0:de9d1462a835 13 /* change the char position handling
dreschpe 0:de9d1462a835 14 * use pixel (x,y) instadt of colum row */
dreschpe 0:de9d1462a835 15
dreschpe 0:de9d1462a835 16
dreschpe 0:de9d1462a835 17 #ifndef MBED_SPI_TFT_H
dreschpe 0:de9d1462a835 18 #define MBED_SPI_TFT_H
dreschpe 0:de9d1462a835 19
dreschpe 0:de9d1462a835 20
dreschpe 0:de9d1462a835 21 #include "mbed.h"
dreschpe 0:de9d1462a835 22 #include "GraphicsDisplay.h"
dreschpe 0:de9d1462a835 23
dreschpe 0:de9d1462a835 24 #define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
dreschpe 0:de9d1462a835 25
dreschpe 0:de9d1462a835 26 #define SPI_START (0x70) /* Start byte for SPI transfer */
dreschpe 0:de9d1462a835 27 #define SPI_RD (0x01) /* WR bit 1 within start */
dreschpe 0:de9d1462a835 28 #define SPI_WR (0x00) /* WR bit 0 within start */
dreschpe 0:de9d1462a835 29 #define SPI_DATA (0x02) /* RS bit 1 within start byte */
dreschpe 0:de9d1462a835 30 #define SPI_INDEX (0x00) /* RS bit 0 within start byte */
dreschpe 0:de9d1462a835 31
dreschpe 0:de9d1462a835 32
dreschpe 0:de9d1462a835 33 /* some RGB color definitions */
dreschpe 0:de9d1462a835 34 #define Black 0x0000 /* 0, 0, 0 */
dreschpe 0:de9d1462a835 35 #define Navy 0x000F /* 0, 0, 128 */
dreschpe 0:de9d1462a835 36 #define DarkGreen 0x03E0 /* 0, 128, 0 */
dreschpe 0:de9d1462a835 37 #define DarkCyan 0x03EF /* 0, 128, 128 */
dreschpe 0:de9d1462a835 38 #define Maroon 0x7800 /* 128, 0, 0 */
dreschpe 0:de9d1462a835 39 #define Purple 0x780F /* 128, 0, 128 */
dreschpe 0:de9d1462a835 40 #define Olive 0x7BE0 /* 128, 128, 0 */
dreschpe 0:de9d1462a835 41 #define LightGrey 0xC618 /* 192, 192, 192 */
dreschpe 0:de9d1462a835 42 #define DarkGrey 0x7BEF /* 128, 128, 128 */
dreschpe 0:de9d1462a835 43 #define Blue 0x001F /* 0, 0, 255 */
dreschpe 0:de9d1462a835 44 #define Green 0x07E0 /* 0, 255, 0 */
dreschpe 0:de9d1462a835 45 #define Cyan 0x07FF /* 0, 255, 255 */
dreschpe 0:de9d1462a835 46 #define Red 0xF800 /* 255, 0, 0 */
dreschpe 0:de9d1462a835 47 #define Magenta 0xF81F /* 255, 0, 255 */
dreschpe 0:de9d1462a835 48 #define Yellow 0xFFE0 /* 255, 255, 0 */
dreschpe 0:de9d1462a835 49 #define White 0xFFFF /* 255, 255, 255 */
dreschpe 0:de9d1462a835 50 #define Orange 0xFD20 /* 255, 165, 0 */
dreschpe 0:de9d1462a835 51 #define GreenYellow 0xAFE5 /* 173, 255, 47 */
dreschpe 0:de9d1462a835 52
dreschpe 0:de9d1462a835 53
dreschpe 0:de9d1462a835 54 // some defines for the DMA use
dreschpe 0:de9d1462a835 55 #define DMA_CHANNEL_ENABLE 1
dreschpe 0:de9d1462a835 56 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
dreschpe 0:de9d1462a835 57 #define DMA_CHANNEL_TCIE (1UL << 31)
dreschpe 0:de9d1462a835 58 #define DMA_CHANNEL_SRC_INC (1UL << 26)
dreschpe 0:de9d1462a835 59 #define DMA_MASK_IE (1UL << 14)
dreschpe 0:de9d1462a835 60 #define DMA_MASK_ITC (1UL << 15)
dreschpe 0:de9d1462a835 61 #define DMA_SSP1_TX (1UL << 2)
dreschpe 0:de9d1462a835 62 #define DMA_SSP0_TX (0)
dreschpe 0:de9d1462a835 63
dreschpe 0:de9d1462a835 64
dreschpe 0:de9d1462a835 65 /** Display control class, based on GraphicsDisplay and TextDisplay
dreschpe 0:de9d1462a835 66 *
dreschpe 0:de9d1462a835 67 * Example:
dreschpe 0:de9d1462a835 68 * @code
dreschpe 0:de9d1462a835 69 * #include "stdio.h"
dreschpe 0:de9d1462a835 70 * #include "mbed.h"
dreschpe 0:de9d1462a835 71 * #include "SPI_TFT.h"
dreschpe 0:de9d1462a835 72 * #include "string"
dreschpe 0:de9d1462a835 73 * #include "Arial12x12.h"
dreschpe 0:de9d1462a835 74 * #include "Arial24x23.h"
dreschpe 0:de9d1462a835 75 *
dreschpe 0:de9d1462a835 76 *
dreschpe 0:de9d1462a835 77 *
dreschpe 0:de9d1462a835 78 * // the TFT is connected to SPI pin 5-7
dreschpe 0:de9d1462a835 79 * SPI_TFT TFT(p5, p6, p7, p8, p15,"TFT"); // mosi, miso, sclk, cs, reset
dreschpe 0:de9d1462a835 80 *
dreschpe 0:de9d1462a835 81 * int main() {
dreschpe 0:de9d1462a835 82 * TFT.claim(stdout); // send stdout to the TFT display
dreschpe 0:de9d1462a835 83 * //TFT.claim(stderr); // send stderr to the TFT display
dreschpe 0:de9d1462a835 84 *
dreschpe 0:de9d1462a835 85 * TFT.background(Black); // set background to black
dreschpe 0:de9d1462a835 86 * TFT.foreground(White); // set chars to white
dreschpe 0:de9d1462a835 87 * TFT.cls(); // clear the screen
dreschpe 0:de9d1462a835 88 * TFT.set_font((unsigned char*) Arial12x12); // select the font
dreschpe 0:de9d1462a835 89 *
dreschpe 0:de9d1462a835 90 * TFT.set_orientation(0);
dreschpe 0:de9d1462a835 91 * TFT.locate(0,0);
dreschpe 0:de9d1462a835 92 * printf(" Hello Mbed 0");
dreschpe 0:de9d1462a835 93 * TFT.set_font((unsigned char*) Arial24x23); // select font 2
dreschpe 0:de9d1462a835 94 * TFT.locate(48,115);
dreschpe 0:de9d1462a835 95 * TFT.printf("Bigger Font");
dreschpe 0:de9d1462a835 96 * }
dreschpe 0:de9d1462a835 97 * @endcode
dreschpe 0:de9d1462a835 98 */
dreschpe 0:de9d1462a835 99 class SPI_TFT : public GraphicsDisplay {
dreschpe 0:de9d1462a835 100 public:
dreschpe 0:de9d1462a835 101
dreschpe 0:de9d1462a835 102 /** Create a SPI_TFT object connected to SPI and two pins
dreschpe 0:de9d1462a835 103 *
dreschpe 0:de9d1462a835 104 * @param mosi,miso,sclk SPI
dreschpe 0:de9d1462a835 105 * @param cs pin connected to CS of display
dreschpe 0:de9d1462a835 106 * @param reset pin connected to RESET of display
dreschpe 0:de9d1462a835 107 *
dreschpe 0:de9d1462a835 108 */
dreschpe 0:de9d1462a835 109 SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
dreschpe 0:de9d1462a835 110
dreschpe 0:de9d1462a835 111 /** Get the width of the screen in pixel
dreschpe 0:de9d1462a835 112 *
dreschpe 0:de9d1462a835 113 * @param
dreschpe 0:de9d1462a835 114 * @returns width of screen in pixel
dreschpe 0:de9d1462a835 115 *
dreschpe 0:de9d1462a835 116 */
dreschpe 0:de9d1462a835 117 virtual int width();
dreschpe 0:de9d1462a835 118
dreschpe 0:de9d1462a835 119 /** Get the height of the screen in pixel
dreschpe 0:de9d1462a835 120 *
dreschpe 0:de9d1462a835 121 * @returns height of screen in pixel
dreschpe 0:de9d1462a835 122 *
dreschpe 0:de9d1462a835 123 */
dreschpe 0:de9d1462a835 124 virtual int height();
dreschpe 0:de9d1462a835 125
dreschpe 0:de9d1462a835 126 /** Draw a pixel at x,y with color
dreschpe 0:de9d1462a835 127 *
dreschpe 0:de9d1462a835 128 * @param x horizontal position
dreschpe 0:de9d1462a835 129 * @param y vertical position
dreschpe 0:de9d1462a835 130 * @param color 16 bit pixel color
dreschpe 0:de9d1462a835 131 */
dreschpe 0:de9d1462a835 132 virtual void pixel(int x, int y,int colour);
dreschpe 0:de9d1462a835 133
dreschpe 0:de9d1462a835 134 /** draw a circle
dreschpe 0:de9d1462a835 135 *
dreschpe 0:de9d1462a835 136 * @param x0,y0 center
dreschpe 0:de9d1462a835 137 * @param r radius
dreschpe 0:de9d1462a835 138 * @param color 16 bit color *
dreschpe 0:de9d1462a835 139 *
dreschpe 0:de9d1462a835 140 */
dreschpe 0:de9d1462a835 141 void circle(int x, int y, int r, int colour);
dreschpe 0:de9d1462a835 142
dreschpe 0:de9d1462a835 143 /** draw a filled circle
dreschpe 0:de9d1462a835 144 *
dreschpe 0:de9d1462a835 145 * @param x0,y0 center
dreschpe 0:de9d1462a835 146 * @param r radius
dreschpe 0:de9d1462a835 147 * @param color 16 bit color *
dreschpe 0:de9d1462a835 148 *
dreschpe 0:de9d1462a835 149 * use circle with different radius,
dreschpe 0:de9d1462a835 150 * can miss some pixel
dreschpe 0:de9d1462a835 151 */
dreschpe 0:de9d1462a835 152 void fillcircle(int x, int y, int r, int colour);
dreschpe 0:de9d1462a835 153
dreschpe 0:de9d1462a835 154
dreschpe 0:de9d1462a835 155
dreschpe 0:de9d1462a835 156 /** draw a 1 pixel line
dreschpe 0:de9d1462a835 157 *
dreschpe 0:de9d1462a835 158 * @param x0,y0 start point
dreschpe 0:de9d1462a835 159 * @param x1,y1 stop point
dreschpe 0:de9d1462a835 160 * @param color 16 bit color
dreschpe 0:de9d1462a835 161 *
dreschpe 0:de9d1462a835 162 */
dreschpe 0:de9d1462a835 163 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:de9d1462a835 164
dreschpe 0:de9d1462a835 165 /** draw a rect
dreschpe 0:de9d1462a835 166 *
dreschpe 0:de9d1462a835 167 * @param x0,y0 top left corner
dreschpe 0:de9d1462a835 168 * @param x1,y1 down right corner
dreschpe 0:de9d1462a835 169 * @param color 16 bit color
dreschpe 0:de9d1462a835 170 * *
dreschpe 0:de9d1462a835 171 */
dreschpe 0:de9d1462a835 172 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:de9d1462a835 173
dreschpe 0:de9d1462a835 174 /** draw a filled rect
dreschpe 0:de9d1462a835 175 *
dreschpe 0:de9d1462a835 176 * @param x0,y0 top left corner
dreschpe 0:de9d1462a835 177 * @param x1,y1 down right corner
dreschpe 0:de9d1462a835 178 * @param color 16 bit color
dreschpe 0:de9d1462a835 179 *
dreschpe 0:de9d1462a835 180 */
dreschpe 0:de9d1462a835 181 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 0:de9d1462a835 182
dreschpe 0:de9d1462a835 183 /** setup cursor position
dreschpe 0:de9d1462a835 184 *
dreschpe 0:de9d1462a835 185 * @param x x-position (top left)
dreschpe 0:de9d1462a835 186 * @param y y-position
dreschpe 0:de9d1462a835 187 */
dreschpe 0:de9d1462a835 188 void locate(int x, int y);
dreschpe 0:de9d1462a835 189
dreschpe 0:de9d1462a835 190 /** Fill the screen with _backgroun color
dreschpe 0:de9d1462a835 191 *
dreschpe 0:de9d1462a835 192 */
dreschpe 0:de9d1462a835 193 virtual void cls (void);
dreschpe 0:de9d1462a835 194
dreschpe 0:de9d1462a835 195 /** calculate the max number of char in a line
dreschpe 0:de9d1462a835 196 *
dreschpe 0:de9d1462a835 197 * @returns max columns
dreschpe 0:de9d1462a835 198 * depends on actual font size
dreschpe 0:de9d1462a835 199 *
dreschpe 0:de9d1462a835 200 */
dreschpe 0:de9d1462a835 201 int columns(void);
dreschpe 0:de9d1462a835 202
dreschpe 0:de9d1462a835 203 /** calculate the max number of columns
dreschpe 0:de9d1462a835 204 *
dreschpe 0:de9d1462a835 205 * @returns max column
dreschpe 0:de9d1462a835 206 * depends on actual font size
dreschpe 0:de9d1462a835 207 *
dreschpe 0:de9d1462a835 208 */
dreschpe 0:de9d1462a835 209 int rows(void);
dreschpe 0:de9d1462a835 210
dreschpe 0:de9d1462a835 211 /** put a char on the screen
dreschpe 0:de9d1462a835 212 *
dreschpe 0:de9d1462a835 213 * @param value char to print
dreschpe 0:de9d1462a835 214 * @returns printed char
dreschpe 0:de9d1462a835 215 *
dreschpe 0:de9d1462a835 216 */
dreschpe 0:de9d1462a835 217 int _putc(int value);
dreschpe 0:de9d1462a835 218
dreschpe 0:de9d1462a835 219 /** draw a character on given position out of the active font to the TFT
dreschpe 0:de9d1462a835 220 *
dreschpe 0:de9d1462a835 221 * @param x x-position of char (top left)
dreschpe 0:de9d1462a835 222 * @param y y-position
dreschpe 0:de9d1462a835 223 * @param c char to print
dreschpe 0:de9d1462a835 224 *
dreschpe 0:de9d1462a835 225 */
dreschpe 0:de9d1462a835 226 virtual void character(int x, int y, int c);
dreschpe 0:de9d1462a835 227
dreschpe 0:de9d1462a835 228 /** paint a bitmap on the TFT
dreschpe 0:de9d1462a835 229 *
dreschpe 0:de9d1462a835 230 * @param x,y : upper left corner
dreschpe 0:de9d1462a835 231 * @param w width of bitmap
dreschpe 0:de9d1462a835 232 * @param h high of bitmap
dreschpe 0:de9d1462a835 233 * @param *bitmap pointer to the bitmap data
dreschpe 0:de9d1462a835 234 *
dreschpe 0:de9d1462a835 235 * bitmap format: 16 bit R5 G6 B5
dreschpe 0:de9d1462a835 236 *
dreschpe 0:de9d1462a835 237 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
dreschpe 0:de9d1462a835 238 * use winhex to load this file and mark data stating at offset 0x46 to end
dreschpe 0:de9d1462a835 239 * use edit -> copy block -> C Source to export C array
dreschpe 0:de9d1462a835 240 * paste this array into your program
dreschpe 0:de9d1462a835 241 *
dreschpe 0:de9d1462a835 242 * define the array as static const unsigned char to put it into flash memory
dreschpe 0:de9d1462a835 243 * cast the pointer to (unsigned char *) :
dreschpe 0:de9d1462a835 244 * tft.Bitmap(10,40,309,50,(unsigned char *)scala);
dreschpe 0:de9d1462a835 245 */
dreschpe 0:de9d1462a835 246 void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
dreschpe 0:de9d1462a835 247
dreschpe 0:de9d1462a835 248
dreschpe 0:de9d1462a835 249 /** paint a 16 bit BMP from local filesytem on the TFT (slow)
dreschpe 0:de9d1462a835 250 *
dreschpe 0:de9d1462a835 251 * @param x,y : upper left corner
dreschpe 0:de9d1462a835 252 * @param *Name_BMP name of the BMP file
dreschpe 0:de9d1462a835 253 * @returns 1 if bmp file was found and painted
dreschpe 0:de9d1462a835 254 * @returns -1 if bmp file was found not found
dreschpe 0:de9d1462a835 255 * @returns -2 if bmp file is not 16bit
dreschpe 0:de9d1462a835 256 * @returns -3 if bmp file is to big for screen
dreschpe 0:de9d1462a835 257 * @returns -4 if buffer malloc go wrong
dreschpe 0:de9d1462a835 258 *
dreschpe 0:de9d1462a835 259 * bitmap format: 16 bit R5 G6 B5
dreschpe 0:de9d1462a835 260 *
dreschpe 0:de9d1462a835 261 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
dreschpe 0:de9d1462a835 262 * copy to internal file system
dreschpe 0:de9d1462a835 263 *
dreschpe 0:de9d1462a835 264 */
dreschpe 0:de9d1462a835 265
dreschpe 0:de9d1462a835 266 int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
dreschpe 0:de9d1462a835 267
dreschpe 0:de9d1462a835 268
dreschpe 0:de9d1462a835 269
dreschpe 0:de9d1462a835 270 /** select the font to use
dreschpe 0:de9d1462a835 271 *
dreschpe 0:de9d1462a835 272 * @param f pointer to font array
dreschpe 0:de9d1462a835 273 *
dreschpe 0:de9d1462a835 274 * font array can created with GLCD Font Creator from http://www.mikroe.com
dreschpe 0:de9d1462a835 275 * you have to add 4 parameter at the beginning of the font array to use:
dreschpe 0:de9d1462a835 276 * - the number of byte / char
dreschpe 0:de9d1462a835 277 * - the vertial size in pixel
dreschpe 0:de9d1462a835 278 * - the horizontal size in pixel
dreschpe 0:de9d1462a835 279 * - the number of byte per vertical line
dreschpe 0:de9d1462a835 280 * you also have to change the array to char[]
dreschpe 0:de9d1462a835 281 *
dreschpe 0:de9d1462a835 282 */
dreschpe 0:de9d1462a835 283 void set_font(unsigned char* f);
dreschpe 0:de9d1462a835 284
dreschpe 0:de9d1462a835 285 /** Set the orientation of the screen
dreschpe 0:de9d1462a835 286 * x,y: 0,0 is always top left
dreschpe 0:de9d1462a835 287 *
dreschpe 0:de9d1462a835 288 * @param o direction to use the screen (0-3) 90&#65533; Steps
dreschpe 0:de9d1462a835 289 *
dreschpe 0:de9d1462a835 290 */
dreschpe 0:de9d1462a835 291 void set_orientation(unsigned int o);
dreschpe 0:de9d1462a835 292
dreschpe 0:de9d1462a835 293 SPI _spi;
dreschpe 1:17e12e4e149f 294 DigitalOut _cs;
dreschpe 0:de9d1462a835 295 DigitalOut _reset;
dreschpe 0:de9d1462a835 296 unsigned char* font;
dreschpe 0:de9d1462a835 297
dreschpe 0:de9d1462a835 298
dreschpe 0:de9d1462a835 299
dreschpe 0:de9d1462a835 300
dreschpe 0:de9d1462a835 301 protected:
dreschpe 0:de9d1462a835 302
dreschpe 0:de9d1462a835 303 /** Set draw window region to whole screen
dreschpe 0:de9d1462a835 304 *
dreschpe 0:de9d1462a835 305 */
dreschpe 0:de9d1462a835 306 void WindowMax (void);
dreschpe 0:de9d1462a835 307
dreschpe 0:de9d1462a835 308
dreschpe 0:de9d1462a835 309 /** draw a horizontal line
dreschpe 0:de9d1462a835 310 *
dreschpe 0:de9d1462a835 311 * @param x0 horizontal start
dreschpe 0:de9d1462a835 312 * @param x1 horizontal stop
dreschpe 0:de9d1462a835 313 * @param y vertical position
dreschpe 0:de9d1462a835 314 * @param color 16 bit color
dreschpe 0:de9d1462a835 315 *
dreschpe 0:de9d1462a835 316 */
dreschpe 0:de9d1462a835 317 void hline(int x0, int x1, int y, int colour);
dreschpe 0:de9d1462a835 318
dreschpe 0:de9d1462a835 319 /** draw a vertical line
dreschpe 0:de9d1462a835 320 *
dreschpe 0:de9d1462a835 321 * @param x horizontal position
dreschpe 0:de9d1462a835 322 * @param y0 vertical start
dreschpe 0:de9d1462a835 323 * @param y1 vertical stop
dreschpe 0:de9d1462a835 324 * @param color 16 bit color
dreschpe 0:de9d1462a835 325 */
dreschpe 0:de9d1462a835 326 void vline(int y0, int y1, int x, int colour);
dreschpe 0:de9d1462a835 327
dreschpe 0:de9d1462a835 328 /** Set draw window region
dreschpe 0:de9d1462a835 329 *
dreschpe 0:de9d1462a835 330 * @param x horizontal position
dreschpe 0:de9d1462a835 331 * @param y vertical position
dreschpe 0:de9d1462a835 332 * @param w window width in pixel
dreschpe 0:de9d1462a835 333 * @param h window height in pixels
dreschpe 0:de9d1462a835 334 */
dreschpe 0:de9d1462a835 335 void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
dreschpe 0:de9d1462a835 336
dreschpe 0:de9d1462a835 337
dreschpe 0:de9d1462a835 338
dreschpe 0:de9d1462a835 339 /** Init the HX8347D controller
dreschpe 0:de9d1462a835 340 *
dreschpe 0:de9d1462a835 341 */
dreschpe 0:de9d1462a835 342 void tft_reset();
dreschpe 0:de9d1462a835 343
dreschpe 0:de9d1462a835 344 /** Write data to the LCD controller
dreschpe 0:de9d1462a835 345 *
dreschpe 0:de9d1462a835 346 * @param dat data written to LCD controller
dreschpe 0:de9d1462a835 347 *
dreschpe 0:de9d1462a835 348 */
dreschpe 0:de9d1462a835 349 //void wr_dat(unsigned int value);
dreschpe 0:de9d1462a835 350 void wr_dat(unsigned char value);
dreschpe 0:de9d1462a835 351
dreschpe 0:de9d1462a835 352 /** Write a command the LCD controller
dreschpe 0:de9d1462a835 353 *
dreschpe 0:de9d1462a835 354 * @param cmd: command to be written
dreschpe 0:de9d1462a835 355 *
dreschpe 0:de9d1462a835 356 */
dreschpe 0:de9d1462a835 357 void wr_cmd(unsigned char value);
dreschpe 0:de9d1462a835 358
dreschpe 0:de9d1462a835 359 /** Start data sequence to the LCD controller
dreschpe 0:de9d1462a835 360 *
dreschpe 0:de9d1462a835 361 */
dreschpe 0:de9d1462a835 362 //void wr_dat_start();
dreschpe 0:de9d1462a835 363
dreschpe 0:de9d1462a835 364 /** Stop of data writing to the LCD controller
dreschpe 0:de9d1462a835 365 *
dreschpe 0:de9d1462a835 366 */
dreschpe 0:de9d1462a835 367 //void wr_dat_stop();
dreschpe 0:de9d1462a835 368
dreschpe 0:de9d1462a835 369 /** write data to the LCD controller
dreschpe 0:de9d1462a835 370 *
dreschpe 0:de9d1462a835 371 * @param data to be written
dreschpe 0:de9d1462a835 372 * *
dreschpe 0:de9d1462a835 373 */
dreschpe 0:de9d1462a835 374 void wr_dat_only(unsigned short dat);
dreschpe 0:de9d1462a835 375
dreschpe 0:de9d1462a835 376 /** Read data from the LCD controller
dreschpe 0:de9d1462a835 377 *
dreschpe 0:de9d1462a835 378 * @returns data from LCD controller
dreschpe 0:de9d1462a835 379 *
dreschpe 0:de9d1462a835 380 */
dreschpe 0:de9d1462a835 381 unsigned short rd_dat(void);
dreschpe 0:de9d1462a835 382
dreschpe 0:de9d1462a835 383 /** Write a value to the to a LCD register
dreschpe 0:de9d1462a835 384 *
dreschpe 0:de9d1462a835 385 * @param reg register to be written
dreschpe 0:de9d1462a835 386 * @param val data to be written
dreschpe 0:de9d1462a835 387 */
dreschpe 0:de9d1462a835 388 void wr_reg (unsigned char reg, unsigned char val);
dreschpe 0:de9d1462a835 389
dreschpe 0:de9d1462a835 390 /** Read a LCD register
dreschpe 0:de9d1462a835 391 *
dreschpe 0:de9d1462a835 392 * @param reg register to be read
dreschpe 0:de9d1462a835 393 * @returns value of the register
dreschpe 0:de9d1462a835 394 */
dreschpe 0:de9d1462a835 395 unsigned short rd_reg (unsigned char reg);
dreschpe 0:de9d1462a835 396
dreschpe 0:de9d1462a835 397 unsigned char spi_port;
dreschpe 0:de9d1462a835 398 unsigned int orientation;
dreschpe 0:de9d1462a835 399 unsigned int char_x;
dreschpe 0:de9d1462a835 400 unsigned int char_y;
dreschpe 0:de9d1462a835 401
dreschpe 0:de9d1462a835 402
dreschpe 0:de9d1462a835 403 };
dreschpe 0:de9d1462a835 404
dreschpe 0:de9d1462a835 405 #endif