Tony Beck / gLCD

64x128 Graphic LCD Library

Dependencies:   LCD_fonts

Fork of C12832_lcd by Peter Drescher

gLCD.h@12:66b988c1b143, 2014-01-21 (annotated)

Committer:
tonydbeck
Date:
Tue Jan 21 22:53:24 2014 +0000
Revision:
12:66b988c1b143
Parent:
11:cbee83ead206 
Removed gLCD:: from set_auto_up and get_auto_up in gLCD.h as this is not required and can cause errors in offline compliers

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:4bbc531be6e2 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
dreschpe 0:4bbc531be6e2 2 * use C12832 controller
dreschpe 0:4bbc531be6e2 3 * Copyright (c) 2012 Peter Drescher - DC2PD
dreschpe 0:4bbc531be6e2 4 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:4bbc531be6e2 5 *
dreschpe 0:4bbc531be6e2 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:4bbc531be6e2 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:4bbc531be6e2 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:4bbc531be6e2 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:4bbc531be6e2 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:4bbc531be6e2 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:4bbc531be6e2 12 * THE SOFTWARE.
dreschpe 0:4bbc531be6e2 13 */
dreschpe 0:4bbc531be6e2 14
tonydbeck 10:269eddb2b7c5 15 /** 64x128pixel graphic LCD display class adapted from the C12832 library */
tonydbeck 9:4b0d5aee5371 16 #ifndef GLCD_H
tonydbeck 9:4b0d5aee5371 17 #define GLCD_H
dreschpe 0:4bbc531be6e2 18
dreschpe 0:4bbc531be6e2 19 #include "mbed.h"
dreschpe 0:4bbc531be6e2 20 #include "GraphicsDisplay.h"
tonydbeck 10:269eddb2b7c5 21 #include "Small_7.h"
tonydbeck 10:269eddb2b7c5 22 #include "Arial12x12.h"
tonydbeck 10:269eddb2b7c5 23 #include "Arial24x23.h"
tonydbeck 11:cbee83ead206 24 #include "Arial_9.h"
dreschpe 0:4bbc531be6e2 25
dreschpe 0:4bbc531be6e2 26
dreschpe 1:66dd8afbfd06 27 /** optional Defines :
dreschpe 0:4bbc531be6e2 28 * #define debug_lcd 1 enable infos to PC_USB
dreschpe 0:4bbc531be6e2 29 */
dreschpe 0:4bbc531be6e2 30
dreschpe 0:4bbc531be6e2 31 // some defines for the DMA use
dreschpe 0:4bbc531be6e2 32 #define DMA_CHANNEL_ENABLE 1
dreschpe 0:4bbc531be6e2 33 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
dreschpe 0:4bbc531be6e2 34 #define DMA_CHANNEL_TCIE (1UL << 31)
dreschpe 0:4bbc531be6e2 35 #define DMA_CHANNEL_SRC_INC (1UL << 26)
dreschpe 0:4bbc531be6e2 36 #define DMA_MASK_IE (1UL << 14)
dreschpe 0:4bbc531be6e2 37 #define DMA_MASK_ITC (1UL << 15)
dreschpe 0:4bbc531be6e2 38 #define DMA_SSP1_TX (1UL << 2)
dreschpe 0:4bbc531be6e2 39 #define DMA_SSP0_TX (0)
dreschpe 0:4bbc531be6e2 40 #define DMA_DEST_SSP1_TX (2UL << 6)
dreschpe 0:4bbc531be6e2 41 #define DMA_DEST_SSP0_TX (0UL << 6)
dreschpe 0:4bbc531be6e2 42
dreschpe 1:66dd8afbfd06 43 /** Draw mode
dreschpe 1:66dd8afbfd06 44 * NORMAl
dreschpe 1:66dd8afbfd06 45 * XOR set pixel by xor the screen
dreschpe 1:66dd8afbfd06 46 */
dreschpe 0:4bbc531be6e2 47 enum {NORMAL,XOR};
dreschpe 0:4bbc531be6e2 48
tonydbeck 9:4b0d5aee5371 49 class gLCD : public GraphicsDisplay
dreschpe 0:4bbc531be6e2 50 {
dreschpe 0:4bbc531be6e2 51 public:
tonydbeck 10:269eddb2b7c5 52 /** Create a gLCD object connected to SPI bus
dreschpe 0:4bbc531be6e2 53 *
dreschpe 0:4bbc531be6e2 54 */
dreschpe 0:4bbc531be6e2 55
tonydbeck 10:269eddb2b7c5 56 gLCD(PinName cs, //chip select
tonydbeck 10:269eddb2b7c5 57 PinName res, //reset
tonydbeck 10:269eddb2b7c5 58 PinName rs, //register select
tonydbeck 10:269eddb2b7c5 59 PinName sdo, PinName sdi, PinName scl, //spi bus pins
tonydbeck 10:269eddb2b7c5 60 PinName bcl, //backlight
tonydbeck 10:269eddb2b7c5 61 const char* name = "LCD");
dreschpe 0:4bbc531be6e2 62
dreschpe 0:4bbc531be6e2 63 /** Get the width of the screen in pixel
dreschpe 0:4bbc531be6e2 64 *
dreschpe 0:4bbc531be6e2 65 * @param
dreschpe 0:4bbc531be6e2 66 * @returns width of screen in pixel
dreschpe 0:4bbc531be6e2 67 *
dreschpe 0:4bbc531be6e2 68 */
dreschpe 0:4bbc531be6e2 69 virtual int width();
dreschpe 0:4bbc531be6e2 70
dreschpe 0:4bbc531be6e2 71 /** Get the height of the screen in pixel
dreschpe 0:4bbc531be6e2 72 *
dreschpe 0:4bbc531be6e2 73 * @returns height of screen in pixel
dreschpe 0:4bbc531be6e2 74 *
dreschpe 0:4bbc531be6e2 75 */
dreschpe 0:4bbc531be6e2 76 virtual int height();
dreschpe 0:4bbc531be6e2 77
dreschpe 0:4bbc531be6e2 78 /** Draw a pixel at x,y black or white
dreschpe 0:4bbc531be6e2 79 *
dreschpe 0:4bbc531be6e2 80 * @param x horizontal position
dreschpe 0:4bbc531be6e2 81 * @param y vertical position
dreschpe 0:4bbc531be6e2 82 * @param colour ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 83 */
tonydbeck 10:269eddb2b7c5 84
tonydbeck 10:269eddb2b7c5 85 void set_orientation(unsigned int o);
dreschpe 0:4bbc531be6e2 86 virtual void pixel(int x, int y,int colour);
dreschpe 0:4bbc531be6e2 87
dreschpe 0:4bbc531be6e2 88 /** draw a circle
dreschpe 0:4bbc531be6e2 89 *
dreschpe 0:4bbc531be6e2 90 * @param x0,y0 center
dreschpe 0:4bbc531be6e2 91 * @param r radius
dreschpe 0:4bbc531be6e2 92 * @param colour ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 93 *
dreschpe 0:4bbc531be6e2 94 */
tonydbeck 10:269eddb2b7c5 95 void bclIncrease();
tonydbeck 10:269eddb2b7c5 96 void bclDecrease();
dreschpe 0:4bbc531be6e2 97 void circle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 98
dreschpe 0:4bbc531be6e2 99 /** draw a filled circle
dreschpe 0:4bbc531be6e2 100 *
dreschpe 0:4bbc531be6e2 101 * @param x0,y0 center
dreschpe 0:4bbc531be6e2 102 * @param r radius
dreschpe 0:4bbc531be6e2 103 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 104 *
dreschpe 0:4bbc531be6e2 105 * use circle with different radius,
dreschpe 0:4bbc531be6e2 106 * can miss some pixel
dreschpe 0:4bbc531be6e2 107 */
dreschpe 0:4bbc531be6e2 108 void fillcircle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 109
dreschpe 0:4bbc531be6e2 110 /** draw a 1 pixel line
dreschpe 0:4bbc531be6e2 111 *
dreschpe 0:4bbc531be6e2 112 * @param x0,y0 start point
dreschpe 0:4bbc531be6e2 113 * @param x1,y1 stop point
dreschpe 0:4bbc531be6e2 114 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 115 *
dreschpe 0:4bbc531be6e2 116 */
dreschpe 0:4bbc531be6e2 117 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 118
dreschpe 0:4bbc531be6e2 119 /** draw a rect
dreschpe 1:66dd8afbfd06 120 *
dreschpe 1:66dd8afbfd06 121 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 122 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 123 * @param color 1 set pixel ,0 erase pixel
dreschpe 1:66dd8afbfd06 124 * *
dreschpe 1:66dd8afbfd06 125 */
dreschpe 1:66dd8afbfd06 126 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 127
dreschpe 1:66dd8afbfd06 128 /** draw a filled rect
dreschpe 1:66dd8afbfd06 129 *
dreschpe 1:66dd8afbfd06 130 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 131 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 132 * @param color 1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 133 *
dreschpe 0:4bbc531be6e2 134 */
dreschpe 1:66dd8afbfd06 135 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 136
dreschpe 1:66dd8afbfd06 137 /** copy display buffer to lcd
dreschpe 1:66dd8afbfd06 138 *
dreschpe 1:66dd8afbfd06 139 */
dreschpe 1:66dd8afbfd06 140
dreschpe 0:4bbc531be6e2 141 void copy_to_lcd(void);
dreschpe 0:4bbc531be6e2 142
dreschpe 0:4bbc531be6e2 143 /** set the orienation of the screen
dreschpe 1:66dd8afbfd06 144 *
dreschpe 1:66dd8afbfd06 145 */
dreschpe 1:66dd8afbfd06 146
dreschpe 1:66dd8afbfd06 147 //void set_orientation(unsigned int o);
dreschpe 0:4bbc531be6e2 148
dreschpe 1:66dd8afbfd06 149 /** set the contrast of the screen
dreschpe 1:66dd8afbfd06 150 *
dreschpe 1:66dd8afbfd06 151 * @param o contrast 0-63
dreschpe 1:66dd8afbfd06 152 */
dreschpe 0:4bbc531be6e2 153
dreschpe 0:4bbc531be6e2 154 void set_contrast(unsigned int o);
dreschpe 1:66dd8afbfd06 155
dreschpe 1:66dd8afbfd06 156 /** read the contrast level
dreschpe 1:66dd8afbfd06 157 *
dreschpe 1:66dd8afbfd06 158 */
dreschpe 1:66dd8afbfd06 159 unsigned int get_contrast(void);
dreschpe 1:66dd8afbfd06 160
dreschpe 1:66dd8afbfd06 161
dreschpe 1:66dd8afbfd06 162
dreschpe 1:66dd8afbfd06 163 /** invert the screen
dreschpe 1:66dd8afbfd06 164 *
dreschpe 1:66dd8afbfd06 165 * @param o = 0 normal, 1 invert
dreschpe 1:66dd8afbfd06 166 */
dreschpe 0:4bbc531be6e2 167 void invert(unsigned int o);
dreschpe 1:66dd8afbfd06 168
dreschpe 1:66dd8afbfd06 169 /** clear the screen
dreschpe 1:66dd8afbfd06 170 *
dreschpe 1:66dd8afbfd06 171 */
dreschpe 1:66dd8afbfd06 172 virtual void cls(void);
dreschpe 1:66dd8afbfd06 173
dreschpe 1:66dd8afbfd06 174 /** set the drawing mode
dreschpe 1:66dd8afbfd06 175 *
dreschpe 1:66dd8afbfd06 176 * @param mode NORMAl or XOR
dreschpe 1:66dd8afbfd06 177 */
dreschpe 1:66dd8afbfd06 178
dreschpe 1:66dd8afbfd06 179 void setmode(int mode);
dreschpe 1:66dd8afbfd06 180
dreschpe 1:66dd8afbfd06 181 int columns(void);
dreschpe 1:66dd8afbfd06 182
dreschpe 1:66dd8afbfd06 183 /** calculate the max number of columns
dreschpe 1:66dd8afbfd06 184 *
dreschpe 1:66dd8afbfd06 185 * @returns max column
dreschpe 1:66dd8afbfd06 186 * depends on actual font size
dreschpe 1:66dd8afbfd06 187 *
dreschpe 1:66dd8afbfd06 188 */
dreschpe 1:66dd8afbfd06 189 int rows(void);
dreschpe 1:66dd8afbfd06 190
dreschpe 1:66dd8afbfd06 191 /** put a char on the screen
dreschpe 1:66dd8afbfd06 192 *
dreschpe 1:66dd8afbfd06 193 * @param value char to print
dreschpe 1:66dd8afbfd06 194 * @returns printed char
dreschpe 1:66dd8afbfd06 195 *
dreschpe 1:66dd8afbfd06 196 */
dreschpe 1:66dd8afbfd06 197 int _putc(int value);
dreschpe 1:66dd8afbfd06 198
dreschpe 1:66dd8afbfd06 199 /** draw a character on given position out of the active font to the LCD
dreschpe 1:66dd8afbfd06 200 *
dreschpe 1:66dd8afbfd06 201 * @param x x-position of char (top left)
dreschpe 1:66dd8afbfd06 202 * @param y y-position
dreschpe 1:66dd8afbfd06 203 * @param c char to print
dreschpe 1:66dd8afbfd06 204 *
dreschpe 1:66dd8afbfd06 205 */
dreschpe 1:66dd8afbfd06 206 virtual void character(int x, int y, int c);
dreschpe 1:66dd8afbfd06 207
dreschpe 1:66dd8afbfd06 208 /** setup cursor position
dreschpe 1:66dd8afbfd06 209 *
dreschpe 1:66dd8afbfd06 210 * @param x x-position (top left)
dreschpe 1:66dd8afbfd06 211 * @param y y-position
dreschpe 1:66dd8afbfd06 212 */
dreschpe 1:66dd8afbfd06 213 void locate(int x, int y);
dreschpe 3:468cdccff7af 214
dreschpe 3:468cdccff7af 215 /** setup auto update of screen
dreschpe 3:468cdccff7af 216 *
dreschpe 3:468cdccff7af 217 * @param up 1 = on , 0 = off
dreschpe 3:468cdccff7af 218 * if switched off the program has to call copy_to_lcd()
dreschpe 3:468cdccff7af 219 * to update screen from framebuffer
dreschpe 3:468cdccff7af 220 */
tonydbeck 12:66b988c1b143 221 void set_auto_up(unsigned int up);
dreschpe 1:66dd8afbfd06 222
dreschpe 3:468cdccff7af 223 /** get status of the auto update function
dreschpe 3:468cdccff7af 224 *
dreschpe 3:468cdccff7af 225 * @returns if auto update is on
dreschpe 3:468cdccff7af 226 */
tonydbeck 12:66b988c1b143 227 unsigned int get_auto_up(void);
dreschpe 0:4bbc531be6e2 228
dreschpe 0:4bbc531be6e2 229 /** Vars */
dreschpe 0:4bbc531be6e2 230 SPI _spi;
dreschpe 0:4bbc531be6e2 231 DigitalOut _reset;
dreschpe 0:4bbc531be6e2 232 DigitalOut _A0;
dreschpe 0:4bbc531be6e2 233 DigitalOut _CS;
tonydbeck 10:269eddb2b7c5 234 PwmOut backLight;
dreschpe 0:4bbc531be6e2 235 unsigned char* font;
dreschpe 0:4bbc531be6e2 236 unsigned int draw_mode;
dreschpe 0:4bbc531be6e2 237
dreschpe 0:4bbc531be6e2 238
dreschpe 1:66dd8afbfd06 239 /** select the font to use
dreschpe 1:66dd8afbfd06 240 *
dreschpe 1:66dd8afbfd06 241 * @param f pointer to font array
dreschpe 1:66dd8afbfd06 242 *
dreschpe 1:66dd8afbfd06 243 * font array can created with GLCD Font Creator from http://www.mikroe.com
dreschpe 1:66dd8afbfd06 244 * you have to add 4 parameter at the beginning of the font array to use:
dreschpe 1:66dd8afbfd06 245 * - the number of byte / char
dreschpe 1:66dd8afbfd06 246 * - the vertial size in pixel
dreschpe 1:66dd8afbfd06 247 * - the horizontal size in pixel
dreschpe 1:66dd8afbfd06 248 * - the number of byte per vertical line
dreschpe 1:66dd8afbfd06 249 * you also have to change the array to char[]
dreschpe 1:66dd8afbfd06 250 *
dreschpe 1:66dd8afbfd06 251 */
dreschpe 1:66dd8afbfd06 252 void set_font(unsigned char* f);
dreschpe 0:4bbc531be6e2 253
dreschpe 0:4bbc531be6e2 254
dreschpe 0:4bbc531be6e2 255 protected:
dreschpe 0:4bbc531be6e2 256
dreschpe 0:4bbc531be6e2 257 /** draw a horizontal line
dreschpe 0:4bbc531be6e2 258 *
dreschpe 0:4bbc531be6e2 259 * @param x0 horizontal start
dreschpe 0:4bbc531be6e2 260 * @param x1 horizontal stop
dreschpe 0:4bbc531be6e2 261 * @param y vertical position
dreschpe 0:4bbc531be6e2 262 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 263 *
dreschpe 0:4bbc531be6e2 264 */
dreschpe 0:4bbc531be6e2 265 void hline(int x0, int x1, int y, int colour);
dreschpe 0:4bbc531be6e2 266
dreschpe 0:4bbc531be6e2 267 /** draw a vertical line
dreschpe 0:4bbc531be6e2 268 *
dreschpe 0:4bbc531be6e2 269 * @param x horizontal position
dreschpe 0:4bbc531be6e2 270 * @param y0 vertical start
dreschpe 0:4bbc531be6e2 271 * @param y1 vertical stop
dreschpe 0:4bbc531be6e2 272 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 273 */
dreschpe 0:4bbc531be6e2 274 void vline(int y0, int y1, int x, int colour);
dreschpe 0:4bbc531be6e2 275
dreschpe 0:4bbc531be6e2 276 /** Init the C12832 LCD controller
dreschpe 0:4bbc531be6e2 277 *
dreschpe 0:4bbc531be6e2 278 */
dreschpe 0:4bbc531be6e2 279 void lcd_reset();
dreschpe 0:4bbc531be6e2 280
dreschpe 0:4bbc531be6e2 281 /** Write data to the LCD controller
dreschpe 0:4bbc531be6e2 282 *
dreschpe 0:4bbc531be6e2 283 * @param dat data written to LCD controller
dreschpe 0:4bbc531be6e2 284 *
dreschpe 0:4bbc531be6e2 285 */
dreschpe 0:4bbc531be6e2 286 void wr_dat(unsigned char value);
dreschpe 0:4bbc531be6e2 287
dreschpe 0:4bbc531be6e2 288 /** Write a command the LCD controller
dreschpe 0:4bbc531be6e2 289 *
dreschpe 0:4bbc531be6e2 290 * @param cmd: command to be written
dreschpe 0:4bbc531be6e2 291 *
dreschpe 0:4bbc531be6e2 292 */
dreschpe 0:4bbc531be6e2 293 void wr_cmd(unsigned char value);
dreschpe 1:66dd8afbfd06 294
dreschpe 0:4bbc531be6e2 295 void wr_cnt(unsigned char cmd);
dreschpe 0:4bbc531be6e2 296
dreschpe 0:4bbc531be6e2 297 unsigned int orientation;
dreschpe 0:4bbc531be6e2 298 unsigned int char_x;
tonydbeck 10:269eddb2b7c5 299 unsigned int oldchar_x;
dreschpe 0:4bbc531be6e2 300 unsigned int char_y;
tonydbeck 10:269eddb2b7c5 301 unsigned char buffer[1024];
dreschpe 1:66dd8afbfd06 302 unsigned int contrast;
dreschpe 3:468cdccff7af 303 unsigned int auto_up;
dreschpe 0:4bbc531be6e2 304
dreschpe 0:4bbc531be6e2 305 };
dreschpe 0:4bbc531be6e2 306
dreschpe 0:4bbc531be6e2 307
dreschpe 0:4bbc531be6e2 308
dreschpe 0:4bbc531be6e2 309
dreschpe 0:4bbc531be6e2 310 #endif