Peter Drescher / SPI_TFT_old

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

SPI_TFT.h@13:d525819cb601, 2012-09-11 (annotated)

Committer:
dreschpe
Date:
Tue Sep 11 20:44:49 2012 +0000
Revision:
13:d525819cb601
Parent:
12:b2dd49f04d5d 
Switch back to io mode CS. The automatic spi cs can cause problems with interrupts or RTOS.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:cccc5726bdf3 1 /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
dreschpe 0:cccc5726bdf3 2 * Copyright (c) 2011 Peter Drescher - DC2PD
dreschpe 0:cccc5726bdf3 3 *
dreschpe 0:cccc5726bdf3 4 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:cccc5726bdf3 5 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:cccc5726bdf3 6 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:cccc5726bdf3 7 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:cccc5726bdf3 8 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:cccc5726bdf3 9 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:cccc5726bdf3 10 * THE SOFTWARE.
dreschpe 0:cccc5726bdf3 11 */
dreschpe 6:fc33e4a5713e 12
dreschpe 6:fc33e4a5713e 13 /* change the char position handling
dreschpe 6:fc33e4a5713e 14 * use pixel (x,y) instadt of colum row */
dreschpe 6:fc33e4a5713e 15
dreschpe 0:cccc5726bdf3 16
dreschpe 0:cccc5726bdf3 17 #ifndef MBED_SPI_TFT_H
dreschpe 0:cccc5726bdf3 18 #define MBED_SPI_TFT_H
dreschpe 0:cccc5726bdf3 19
dreschpe 3:5be1edd3a543 20
dreschpe 3:5be1edd3a543 21 #include "mbed.h"
dreschpe 3:5be1edd3a543 22 #include "GraphicsDisplay.h"
dreschpe 3:5be1edd3a543 23
dreschpe 3:5be1edd3a543 24 #define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
dreschpe 3:5be1edd3a543 25
dreschpe 3:5be1edd3a543 26 #define SPI_START (0x70) /* Start byte for SPI transfer */
dreschpe 3:5be1edd3a543 27 #define SPI_RD (0x01) /* WR bit 1 within start */
dreschpe 3:5be1edd3a543 28 #define SPI_WR (0x00) /* WR bit 0 within start */
dreschpe 3:5be1edd3a543 29 #define SPI_DATA (0x02) /* RS bit 1 within start byte */
dreschpe 3:5be1edd3a543 30 #define SPI_INDEX (0x00) /* RS bit 0 within start byte */
dreschpe 3:5be1edd3a543 31
dreschpe 3:5be1edd3a543 32
dreschpe 3:5be1edd3a543 33 /* some RGB color definitions */
dreschpe 3:5be1edd3a543 34 #define Black 0x0000 /* 0, 0, 0 */
dreschpe 3:5be1edd3a543 35 #define Navy 0x000F /* 0, 0, 128 */
dreschpe 3:5be1edd3a543 36 #define DarkGreen 0x03E0 /* 0, 128, 0 */
dreschpe 3:5be1edd3a543 37 #define DarkCyan 0x03EF /* 0, 128, 128 */
dreschpe 3:5be1edd3a543 38 #define Maroon 0x7800 /* 128, 0, 0 */
dreschpe 3:5be1edd3a543 39 #define Purple 0x780F /* 128, 0, 128 */
dreschpe 3:5be1edd3a543 40 #define Olive 0x7BE0 /* 128, 128, 0 */
dreschpe 3:5be1edd3a543 41 #define LightGrey 0xC618 /* 192, 192, 192 */
dreschpe 3:5be1edd3a543 42 #define DarkGrey 0x7BEF /* 128, 128, 128 */
dreschpe 3:5be1edd3a543 43 #define Blue 0x001F /* 0, 0, 255 */
dreschpe 3:5be1edd3a543 44 #define Green 0x07E0 /* 0, 255, 0 */
dreschpe 3:5be1edd3a543 45 #define Cyan 0x07FF /* 0, 255, 255 */
dreschpe 3:5be1edd3a543 46 #define Red 0xF800 /* 255, 0, 0 */
dreschpe 3:5be1edd3a543 47 #define Magenta 0xF81F /* 255, 0, 255 */
dreschpe 6:fc33e4a5713e 48 #define Yellow 0xFFE0 /* 255, 255, 0 */
dreschpe 3:5be1edd3a543 49 #define White 0xFFFF /* 255, 255, 255 */
dreschpe 6:fc33e4a5713e 50 #define Orange 0xFD20 /* 255, 165, 0 */
dreschpe 6:fc33e4a5713e 51 #define GreenYellow 0xAFE5 /* 173, 255, 47 */
dreschpe 6:fc33e4a5713e 52
dreschpe 3:5be1edd3a543 53
dreschpe 12:b2dd49f04d5d 54 // some defines for the DMA use
dreschpe 12:b2dd49f04d5d 55 #define DMA_CHANNEL_ENABLE 1
dreschpe 12:b2dd49f04d5d 56 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
dreschpe 12:b2dd49f04d5d 57 #define DMA_CHANNEL_TCIE (1UL << 31)
dreschpe 12:b2dd49f04d5d 58 #define DMA_CHANNEL_SRC_INC (1UL << 26)
dreschpe 12:b2dd49f04d5d 59 #define DMA_MASK_IE (1UL << 14)
dreschpe 12:b2dd49f04d5d 60 #define DMA_MASK_ITC (1UL << 15)
dreschpe 12:b2dd49f04d5d 61 #define DMA_SSP1_TX (1UL << 2)
dreschpe 12:b2dd49f04d5d 62 #define DMA_SSP0_TX (0)
dreschpe 12:b2dd49f04d5d 63
dreschpe 12:b2dd49f04d5d 64
dreschpe 1:aa3356b16080 65 /** Display control class, based on GraphicsDisplay and TextDisplay
dreschpe 1:aa3356b16080 66 *
dreschpe 1:aa3356b16080 67 * Example:
dreschpe 1:aa3356b16080 68 * @code
dreschpe 1:aa3356b16080 69 * #include "stdio.h"
dreschpe 1:aa3356b16080 70 * #include "mbed.h"
dreschpe 1:aa3356b16080 71 * #include "SPI_TFT.h"
dreschpe 1:aa3356b16080 72 * #include "string"
dreschpe 1:aa3356b16080 73 * #include "Arial12x12.h"
dreschpe 1:aa3356b16080 74 * #include "Arial24x23.h"
dreschpe 1:aa3356b16080 75 *
dreschpe 1:aa3356b16080 76 *
dreschpe 1:aa3356b16080 77 *
dreschpe 1:aa3356b16080 78 * // the TFT is connected to SPI pin 5-7
dreschpe 1:aa3356b16080 79 * SPI_TFT TFT(p5, p6, p7, p8, p15,"TFT"); // mosi, miso, sclk, cs, reset
dreschpe 1:aa3356b16080 80 *
dreschpe 1:aa3356b16080 81 * int main() {
dreschpe 1:aa3356b16080 82 * TFT.claim(stdout); // send stdout to the TFT display
dreschpe 1:aa3356b16080 83 * //TFT.claim(stderr); // send stderr to the TFT display
dreschpe 1:aa3356b16080 84 *
dreschpe 1:aa3356b16080 85 * TFT.background(Black); // set background to black
dreschpe 1:aa3356b16080 86 * TFT.foreground(White); // set chars to white
dreschpe 1:aa3356b16080 87 * TFT.cls(); // clear the screen
dreschpe 1:aa3356b16080 88 * TFT.set_font((unsigned char*) Arial12x12); // select the font
dreschpe 1:aa3356b16080 89 *
dreschpe 1:aa3356b16080 90 * TFT.set_orientation(0);
dreschpe 1:aa3356b16080 91 * TFT.locate(0,0);
dreschpe 1:aa3356b16080 92 * printf(" Hello Mbed 0");
dreschpe 1:aa3356b16080 93 * TFT.set_font((unsigned char*) Arial24x23); // select font 2
dreschpe 6:fc33e4a5713e 94 * TFT.locate(48,115);
dreschpe 1:aa3356b16080 95 * TFT.printf("Bigger Font");
dreschpe 1:aa3356b16080 96 * }
dreschpe 1:aa3356b16080 97 * @endcode
dreschpe 1:aa3356b16080 98 */
dreschpe 3:5be1edd3a543 99 class SPI_TFT : public GraphicsDisplay {
dreschpe 3:5be1edd3a543 100 public:
dreschpe 1:aa3356b16080 101
dreschpe 2:0cc880f230ad 102 /** Create a SPI_TFT object connected to SPI and two pins
dreschpe 2:0cc880f230ad 103 *
dreschpe 2:0cc880f230ad 104 * @param mosi,miso,sclk SPI
dreschpe 2:0cc880f230ad 105 * @param cs pin connected to CS of display
dreschpe 2:0cc880f230ad 106 * @param reset pin connected to RESET of display
dreschpe 2:0cc880f230ad 107 *
dreschpe 2:0cc880f230ad 108 */
dreschpe 2:0cc880f230ad 109 SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
dreschpe 1:aa3356b16080 110
dreschpe 2:0cc880f230ad 111 /** Get the width of the screen in pixel
dreschpe 2:0cc880f230ad 112 *
dreschpe 2:0cc880f230ad 113 * @param
dreschpe 2:0cc880f230ad 114 * @returns width of screen in pixel
dreschpe 2:0cc880f230ad 115 *
dreschpe 2:0cc880f230ad 116 */
dreschpe 2:0cc880f230ad 117 virtual int width();
dreschpe 1:aa3356b16080 118
dreschpe 2:0cc880f230ad 119 /** Get the height of the screen in pixel
dreschpe 2:0cc880f230ad 120 *
dreschpe 2:0cc880f230ad 121 * @returns height of screen in pixel
dreschpe 2:0cc880f230ad 122 *
dreschpe 2:0cc880f230ad 123 */
dreschpe 2:0cc880f230ad 124 virtual int height();
dreschpe 1:aa3356b16080 125
dreschpe 2:0cc880f230ad 126 /** Draw a pixel at x,y with color
dreschpe 2:0cc880f230ad 127 *
dreschpe 2:0cc880f230ad 128 * @param x horizontal position
dreschpe 2:0cc880f230ad 129 * @param y vertical position
dreschpe 2:0cc880f230ad 130 * @param color 16 bit pixel color
dreschpe 2:0cc880f230ad 131 */
dreschpe 12:b2dd49f04d5d 132 virtual void pixel(int x, int y,int colour);
dreschpe 1:aa3356b16080 133
dreschpe 2:0cc880f230ad 134 /** draw a circle
dreschpe 2:0cc880f230ad 135 *
dreschpe 2:0cc880f230ad 136 * @param x0,y0 center
dreschpe 2:0cc880f230ad 137 * @param r radius
dreschpe 2:0cc880f230ad 138 * @param color 16 bit color *
dreschpe 2:0cc880f230ad 139 *
dreschpe 2:0cc880f230ad 140 */
dreschpe 2:0cc880f230ad 141 void circle(int x, int y, int r, int colour);
dreschpe 4:e1e45f8a7664 142
dreschpe 4:e1e45f8a7664 143 /** draw a filled circle
dreschpe 4:e1e45f8a7664 144 *
dreschpe 4:e1e45f8a7664 145 * @param x0,y0 center
dreschpe 4:e1e45f8a7664 146 * @param r radius
dreschpe 4:e1e45f8a7664 147 * @param color 16 bit color *
dreschpe 4:e1e45f8a7664 148 *
dreschpe 4:e1e45f8a7664 149 * use circle with different radius,
dreschpe 4:e1e45f8a7664 150 * can miss some pixel
dreschpe 4:e1e45f8a7664 151 */
dreschpe 4:e1e45f8a7664 152 void fillcircle(int x, int y, int r, int colour);
dreschpe 4:e1e45f8a7664 153
dreschpe 4:e1e45f8a7664 154
dreschpe 1:aa3356b16080 155
dreschpe 2:0cc880f230ad 156 /** draw a 1 pixel line
dreschpe 2:0cc880f230ad 157 *
dreschpe 2:0cc880f230ad 158 * @param x0,y0 start point
dreschpe 2:0cc880f230ad 159 * @param x1,y1 stop point
dreschpe 2:0cc880f230ad 160 * @param color 16 bit color
dreschpe 2:0cc880f230ad 161 *
dreschpe 2:0cc880f230ad 162 */
dreschpe 2:0cc880f230ad 163 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:aa3356b16080 164
dreschpe 2:0cc880f230ad 165 /** draw a rect
dreschpe 2:0cc880f230ad 166 *
dreschpe 2:0cc880f230ad 167 * @param x0,y0 top left corner
dreschpe 2:0cc880f230ad 168 * @param x1,y1 down right corner
dreschpe 2:0cc880f230ad 169 * @param color 16 bit color
dreschpe 2:0cc880f230ad 170 * *
dreschpe 2:0cc880f230ad 171 */
dreschpe 2:0cc880f230ad 172 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:aa3356b16080 173
dreschpe 2:0cc880f230ad 174 /** draw a filled rect
dreschpe 2:0cc880f230ad 175 *
dreschpe 2:0cc880f230ad 176 * @param x0,y0 top left corner
dreschpe 2:0cc880f230ad 177 * @param x1,y1 down right corner
dreschpe 2:0cc880f230ad 178 * @param color 16 bit color
dreschpe 2:0cc880f230ad 179 *
dreschpe 2:0cc880f230ad 180 */
dreschpe 2:0cc880f230ad 181 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:aa3356b16080 182
dreschpe 2:0cc880f230ad 183 /** setup cursor position
dreschpe 2:0cc880f230ad 184 *
dreschpe 6:fc33e4a5713e 185 * @param x x-position (top left)
dreschpe 6:fc33e4a5713e 186 * @param y y-position
dreschpe 2:0cc880f230ad 187 */
dreschpe 6:fc33e4a5713e 188 void locate(int x, int y);
dreschpe 1:aa3356b16080 189
dreschpe 2:0cc880f230ad 190 /** Fill the screen with _backgroun color
dreschpe 2:0cc880f230ad 191 *
dreschpe 2:0cc880f230ad 192 */
dreschpe 2:0cc880f230ad 193 virtual void cls (void);
dreschpe 1:aa3356b16080 194
dreschpe 2:0cc880f230ad 195 /** calculate the max number of char in a line
dreschpe 2:0cc880f230ad 196 *
dreschpe 2:0cc880f230ad 197 * @returns max columns
dreschpe 2:0cc880f230ad 198 * depends on actual font size
dreschpe 2:0cc880f230ad 199 *
dreschpe 2:0cc880f230ad 200 */
dreschpe 2:0cc880f230ad 201 int columns(void);
dreschpe 1:aa3356b16080 202
dreschpe 2:0cc880f230ad 203 /** calculate the max number of columns
dreschpe 2:0cc880f230ad 204 *
dreschpe 2:0cc880f230ad 205 * @returns max column
dreschpe 2:0cc880f230ad 206 * depends on actual font size
dreschpe 2:0cc880f230ad 207 *
dreschpe 2:0cc880f230ad 208 */
dreschpe 2:0cc880f230ad 209 int rows(void);
dreschpe 1:aa3356b16080 210
dreschpe 2:0cc880f230ad 211 /** put a char on the screen
dreschpe 2:0cc880f230ad 212 *
dreschpe 2:0cc880f230ad 213 * @param value char to print
dreschpe 2:0cc880f230ad 214 * @returns printed char
dreschpe 2:0cc880f230ad 215 *
dreschpe 2:0cc880f230ad 216 */
dreschpe 2:0cc880f230ad 217 int _putc(int value);
dreschpe 1:aa3356b16080 218
dreschpe 2:0cc880f230ad 219 /** draw a character on given position out of the active font to the TFT
dreschpe 2:0cc880f230ad 220 *
dreschpe 6:fc33e4a5713e 221 * @param x x-position of char (top left)
dreschpe 6:fc33e4a5713e 222 * @param y y-position
dreschpe 2:0cc880f230ad 223 * @param c char to print
dreschpe 2:0cc880f230ad 224 *
dreschpe 2:0cc880f230ad 225 */
dreschpe 6:fc33e4a5713e 226 virtual void character(int x, int y, int c);
dreschpe 1:aa3356b16080 227
dreschpe 2:0cc880f230ad 228 /** paint a bitmap on the TFT
dreschpe 2:0cc880f230ad 229 *
dreschpe 2:0cc880f230ad 230 * @param x,y : upper left corner
dreschpe 2:0cc880f230ad 231 * @param w width of bitmap
dreschpe 2:0cc880f230ad 232 * @param h high of bitmap
dreschpe 2:0cc880f230ad 233 * @param *bitmap pointer to the bitmap data
dreschpe 2:0cc880f230ad 234 *
dreschpe 2:0cc880f230ad 235 * bitmap format: 16 bit R5 G6 B5
dreschpe 2:0cc880f230ad 236 *
dreschpe 2:0cc880f230ad 237 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
dreschpe 2:0cc880f230ad 238 * use winhex to load this file and mark data stating at offset 0x46 to end
dreschpe 2:0cc880f230ad 239 * use edit -> copy block -> C Source to export C array
dreschpe 2:0cc880f230ad 240 * paste this array into your program
dreschpe 2:0cc880f230ad 241 *
dreschpe 6:fc33e4a5713e 242 * define the array as static const unsigned char to put it into flash memory
dreschpe 6:fc33e4a5713e 243 * cast the pointer to (unsigned char *) :
dreschpe 6:fc33e4a5713e 244 * tft.Bitmap(10,40,309,50,(unsigned char *)scala);
dreschpe 2:0cc880f230ad 245 */
dreschpe 2:0cc880f230ad 246 void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
dreschpe 1:aa3356b16080 247
dreschpe 5:2db1b8070d94 248
dreschpe 5:2db1b8070d94 249 /** paint a 16 bit BMP from local filesytem on the TFT (slow)
dreschpe 5:2db1b8070d94 250 *
dreschpe 5:2db1b8070d94 251 * @param x,y : upper left corner
dreschpe 5:2db1b8070d94 252 * @param *Name_BMP name of the BMP file
dreschpe 5:2db1b8070d94 253 * @returns 1 if bmp file was found and painted
dreschpe 5:2db1b8070d94 254 * @returns -1 if bmp file was found not found
dreschpe 5:2db1b8070d94 255 * @returns -2 if bmp file is not 16bit
dreschpe 5:2db1b8070d94 256 * @returns -3 if bmp file is to big for screen
dreschpe 5:2db1b8070d94 257 * @returns -4 if buffer malloc go wrong
dreschpe 5:2db1b8070d94 258 *
dreschpe 5:2db1b8070d94 259 * bitmap format: 16 bit R5 G6 B5
dreschpe 5:2db1b8070d94 260 *
dreschpe 5:2db1b8070d94 261 * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
dreschpe 5:2db1b8070d94 262 * copy to internal file system
dreschpe 5:2db1b8070d94 263 *
dreschpe 5:2db1b8070d94 264 */
dreschpe 5:2db1b8070d94 265
dreschpe 5:2db1b8070d94 266 int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);
dreschpe 5:2db1b8070d94 267
dreschpe 5:2db1b8070d94 268
dreschpe 5:2db1b8070d94 269
dreschpe 2:0cc880f230ad 270 /** select the font to use
dreschpe 2:0cc880f230ad 271 *
dreschpe 2:0cc880f230ad 272 * @param f pointer to font array
dreschpe 2:0cc880f230ad 273 *
dreschpe 2:0cc880f230ad 274 * font array can created with GLCD Font Creator from http://www.mikroe.com
dreschpe 2:0cc880f230ad 275 * you have to add 4 parameter at the beginning of the font array to use:
dreschpe 2:0cc880f230ad 276 * - the number of byte / char
dreschpe 2:0cc880f230ad 277 * - the vertial size in pixel
dreschpe 2:0cc880f230ad 278 * - the horizontal size in pixel
dreschpe 2:0cc880f230ad 279 * - the number of byte per vertical line
dreschpe 2:0cc880f230ad 280 * you also have to change the array to char[]
dreschpe 2:0cc880f230ad 281 *
dreschpe 5:2db1b8070d94 282 */
dreschpe 2:0cc880f230ad 283 void set_font(unsigned char* f);
dreschpe 1:aa3356b16080 284
dreschpe 2:0cc880f230ad 285 /** Set the orientation of the screen
dreschpe 2:0cc880f230ad 286 * x,y: 0,0 is always top left
dreschpe 2:0cc880f230ad 287 *
dreschpe 4:e1e45f8a7664 288 * @param o direction to use the screen (0-3) 90&#65533; Steps
dreschpe 2:0cc880f230ad 289 *
dreschpe 2:0cc880f230ad 290 */
dreschpe 2:0cc880f230ad 291 void set_orientation(unsigned int o);
dreschpe 0:cccc5726bdf3 292
dreschpe 2:0cc880f230ad 293 SPI _spi;
dreschpe 13:d525819cb601 294 DigitalOut _cs;
dreschpe 2:0cc880f230ad 295 DigitalOut _reset;
dreschpe 2:0cc880f230ad 296 unsigned char* font;
dreschpe 8:e1f5232d93a0 297
dreschpe 8:e1f5232d93a0 298
dreschpe 8:e1f5232d93a0 299
dreschpe 2:0cc880f230ad 300
dreschpe 0:cccc5726bdf3 301 protected:
dreschpe 1:aa3356b16080 302
dreschpe 8:e1f5232d93a0 303 /** Set draw window region to whole screen
dreschpe 8:e1f5232d93a0 304 *
dreschpe 8:e1f5232d93a0 305 */
dreschpe 8:e1f5232d93a0 306 void WindowMax (void);
dreschpe 8:e1f5232d93a0 307
dreschpe 8:e1f5232d93a0 308
dreschpe 2:0cc880f230ad 309 /** draw a horizontal line
dreschpe 2:0cc880f230ad 310 *
dreschpe 2:0cc880f230ad 311 * @param x0 horizontal start
dreschpe 2:0cc880f230ad 312 * @param x1 horizontal stop
dreschpe 2:0cc880f230ad 313 * @param y vertical position
dreschpe 2:0cc880f230ad 314 * @param color 16 bit color
dreschpe 2:0cc880f230ad 315 *
dreschpe 2:0cc880f230ad 316 */
dreschpe 2:0cc880f230ad 317 void hline(int x0, int x1, int y, int colour);
dreschpe 1:aa3356b16080 318
dreschpe 2:0cc880f230ad 319 /** draw a vertical line
dreschpe 2:0cc880f230ad 320 *
dreschpe 2:0cc880f230ad 321 * @param x horizontal position
dreschpe 2:0cc880f230ad 322 * @param y0 vertical start
dreschpe 2:0cc880f230ad 323 * @param y1 vertical stop
dreschpe 2:0cc880f230ad 324 * @param color 16 bit color
dreschpe 2:0cc880f230ad 325 */
dreschpe 2:0cc880f230ad 326 void vline(int y0, int y1, int x, int colour);
dreschpe 1:aa3356b16080 327
dreschpe 2:0cc880f230ad 328 /** Set draw window region
dreschpe 2:0cc880f230ad 329 *
dreschpe 2:0cc880f230ad 330 * @param x horizontal position
dreschpe 2:0cc880f230ad 331 * @param y vertical position
dreschpe 2:0cc880f230ad 332 * @param w window width in pixel
dreschpe 2:0cc880f230ad 333 * @param h window height in pixels
dreschpe 2:0cc880f230ad 334 */
dreschpe 2:0cc880f230ad 335 void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
dreschpe 1:aa3356b16080 336
dreschpe 8:e1f5232d93a0 337
dreschpe 1:aa3356b16080 338
dreschpe 2:0cc880f230ad 339 /** Init the HX8347D controller
dreschpe 2:0cc880f230ad 340 *
dreschpe 2:0cc880f230ad 341 */
dreschpe 2:0cc880f230ad 342 void tft_reset();
dreschpe 1:aa3356b16080 343
dreschpe 2:0cc880f230ad 344 /** Write data to the LCD controller
dreschpe 2:0cc880f230ad 345 *
dreschpe 2:0cc880f230ad 346 * @param dat data written to LCD controller
dreschpe 2:0cc880f230ad 347 *
dreschpe 2:0cc880f230ad 348 */
dreschpe 12:b2dd49f04d5d 349 //void wr_dat(unsigned int value);
dreschpe 12:b2dd49f04d5d 350 void wr_dat(unsigned char value);
dreschpe 1:aa3356b16080 351
dreschpe 2:0cc880f230ad 352 /** Write a command the LCD controller
dreschpe 2:0cc880f230ad 353 *
dreschpe 2:0cc880f230ad 354 * @param cmd: command to be written
dreschpe 2:0cc880f230ad 355 *
dreschpe 2:0cc880f230ad 356 */
dreschpe 12:b2dd49f04d5d 357 void wr_cmd(unsigned char value);
dreschpe 1:aa3356b16080 358
dreschpe 2:0cc880f230ad 359 /** Start data sequence to the LCD controller
dreschpe 2:0cc880f230ad 360 *
dreschpe 2:0cc880f230ad 361 */
dreschpe 12:b2dd49f04d5d 362 //void wr_dat_start();
dreschpe 1:aa3356b16080 363
dreschpe 2:0cc880f230ad 364 /** Stop of data writing to the LCD controller
dreschpe 2:0cc880f230ad 365 *
dreschpe 2:0cc880f230ad 366 */
dreschpe 12:b2dd49f04d5d 367 //void wr_dat_stop();
dreschpe 1:aa3356b16080 368
dreschpe 2:0cc880f230ad 369 /** write data to the LCD controller
dreschpe 2:0cc880f230ad 370 *
dreschpe 2:0cc880f230ad 371 * @param data to be written
dreschpe 2:0cc880f230ad 372 * *
dreschpe 2:0cc880f230ad 373 */
dreschpe 2:0cc880f230ad 374 void wr_dat_only(unsigned short dat);
dreschpe 1:aa3356b16080 375
dreschpe 2:0cc880f230ad 376 /** Read data from the LCD controller
dreschpe 2:0cc880f230ad 377 *
dreschpe 2:0cc880f230ad 378 * @returns data from LCD controller
dreschpe 2:0cc880f230ad 379 *
dreschpe 2:0cc880f230ad 380 */
dreschpe 2:0cc880f230ad 381 unsigned short rd_dat(void);
dreschpe 1:aa3356b16080 382
dreschpe 2:0cc880f230ad 383 /** Write a value to the to a LCD register
dreschpe 2:0cc880f230ad 384 *
dreschpe 2:0cc880f230ad 385 * @param reg register to be written
dreschpe 2:0cc880f230ad 386 * @param val data to be written
dreschpe 2:0cc880f230ad 387 */
dreschpe 12:b2dd49f04d5d 388 void wr_reg (unsigned char reg, unsigned char val);
dreschpe 1:aa3356b16080 389
dreschpe 2:0cc880f230ad 390 /** Read a LCD register
dreschpe 2:0cc880f230ad 391 *
dreschpe 2:0cc880f230ad 392 * @param reg register to be read
dreschpe 2:0cc880f230ad 393 * @returns value of the register
dreschpe 2:0cc880f230ad 394 */
dreschpe 2:0cc880f230ad 395 unsigned short rd_reg (unsigned char reg);
dreschpe 0:cccc5726bdf3 396
dreschpe 12:b2dd49f04d5d 397 unsigned char spi_port;
dreschpe 2:0cc880f230ad 398 unsigned int orientation;
dreschpe 2:0cc880f230ad 399 unsigned int char_x;
dreschpe 6:fc33e4a5713e 400 unsigned int char_y;
dreschpe 5:2db1b8070d94 401
dreschpe 0:cccc5726bdf3 402
dreschpe 0:cccc5726bdf3 403 };
dreschpe 0:cccc5726bdf3 404
dreschpe 0:cccc5726bdf3 405 #endif