Chris Styles / C12832_lcd_fork

A fork of dreschpe library with pin names added to the constructor

Fork of C12832_lcd by Peter Drescher

C12832_lcd.h@13:8a9cad03124b, 2014-01-01 (annotated)

Committer:
chris
Date:
Wed Jan 01 08:41:07 2014 +0000
Revision:
13:8a9cad03124b
Parent:
12:4affce236743 
Whitespace changes only

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
dreschpe 0:4bbc531be6e2 15 #ifndef C12832_H
dreschpe 0:4bbc531be6e2 16 #define C12832_H
dreschpe 0:4bbc531be6e2 17
dreschpe 0:4bbc531be6e2 18 #include "mbed.h"
dreschpe 0:4bbc531be6e2 19 #include "GraphicsDisplay.h"
dreschpe 0:4bbc531be6e2 20
dreschpe 0:4bbc531be6e2 21
dreschpe 1:66dd8afbfd06 22 /** optional Defines :
dreschpe 0:4bbc531be6e2 23 * #define debug_lcd 1 enable infos to PC_USB
dreschpe 0:4bbc531be6e2 24 */
dreschpe 0:4bbc531be6e2 25
dreschpe 0:4bbc531be6e2 26 // some defines for the DMA use
dreschpe 0:4bbc531be6e2 27 #define DMA_CHANNEL_ENABLE 1
dreschpe 0:4bbc531be6e2 28 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
dreschpe 0:4bbc531be6e2 29 #define DMA_CHANNEL_TCIE (1UL << 31)
dreschpe 0:4bbc531be6e2 30 #define DMA_CHANNEL_SRC_INC (1UL << 26)
dreschpe 0:4bbc531be6e2 31 #define DMA_MASK_IE (1UL << 14)
dreschpe 0:4bbc531be6e2 32 #define DMA_MASK_ITC (1UL << 15)
dreschpe 0:4bbc531be6e2 33 #define DMA_SSP1_TX (1UL << 2)
dreschpe 0:4bbc531be6e2 34 #define DMA_SSP0_TX (0)
dreschpe 0:4bbc531be6e2 35 #define DMA_DEST_SSP1_TX (2UL << 6)
dreschpe 0:4bbc531be6e2 36 #define DMA_DEST_SSP0_TX (0UL << 6)
dreschpe 0:4bbc531be6e2 37
dreschpe 1:66dd8afbfd06 38 /** Draw mode
dreschpe 1:66dd8afbfd06 39 * NORMAl
dreschpe 1:66dd8afbfd06 40 * XOR set pixel by xor the screen
dreschpe 1:66dd8afbfd06 41 */
dreschpe 0:4bbc531be6e2 42 enum {NORMAL,XOR};
dreschpe 0:4bbc531be6e2 43
dreschpe 7:0f5a3b0f3cab 44 /** Bitmap
dreschpe 7:0f5a3b0f3cab 45 */
dreschpe 7:0f5a3b0f3cab 46 struct Bitmap{
dreschpe 7:0f5a3b0f3cab 47 int xSize;
dreschpe 7:0f5a3b0f3cab 48 int ySize;
dreschpe 7:0f5a3b0f3cab 49 int Byte_in_Line;
dreschpe 7:0f5a3b0f3cab 50 char* data;
dreschpe 7:0f5a3b0f3cab 51 };
dreschpe 7:0f5a3b0f3cab 52
dreschpe 0:4bbc531be6e2 53 class C12832_LCD : public GraphicsDisplay
dreschpe 0:4bbc531be6e2 54 {
dreschpe 0:4bbc531be6e2 55 public:
dreschpe 0:4bbc531be6e2 56 /** Create a C12832_LCD object connected to SPI1
dreschpe 0:4bbc531be6e2 57 *
dreschpe 0:4bbc531be6e2 58 */
dreschpe 0:4bbc531be6e2 59
chris 11:1d68011a277c 60 C12832_LCD(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name = "LCD");
dreschpe 0:4bbc531be6e2 61
chris 13:8a9cad03124b 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 */
dreschpe 0:4bbc531be6e2 84 virtual void pixel(int x, int y,int colour);
dreschpe 0:4bbc531be6e2 85
dreschpe 0:4bbc531be6e2 86 /** draw a circle
dreschpe 0:4bbc531be6e2 87 *
dreschpe 0:4bbc531be6e2 88 * @param x0,y0 center
dreschpe 0:4bbc531be6e2 89 * @param r radius
dreschpe 0:4bbc531be6e2 90 * @param colour ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 91 *
dreschpe 0:4bbc531be6e2 92 */
dreschpe 0:4bbc531be6e2 93 void circle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 94
dreschpe 0:4bbc531be6e2 95 /** draw a filled circle
dreschpe 0:4bbc531be6e2 96 *
dreschpe 0:4bbc531be6e2 97 * @param x0,y0 center
dreschpe 0:4bbc531be6e2 98 * @param r radius
dreschpe 0:4bbc531be6e2 99 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 100 *
dreschpe 0:4bbc531be6e2 101 * use circle with different radius,
dreschpe 0:4bbc531be6e2 102 * can miss some pixel
dreschpe 0:4bbc531be6e2 103 */
dreschpe 0:4bbc531be6e2 104 void fillcircle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 105
dreschpe 0:4bbc531be6e2 106 /** draw a 1 pixel line
dreschpe 0:4bbc531be6e2 107 *
dreschpe 0:4bbc531be6e2 108 * @param x0,y0 start point
dreschpe 0:4bbc531be6e2 109 * @param x1,y1 stop point
dreschpe 0:4bbc531be6e2 110 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 111 *
dreschpe 0:4bbc531be6e2 112 */
dreschpe 0:4bbc531be6e2 113 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 114
dreschpe 0:4bbc531be6e2 115 /** draw a rect
dreschpe 1:66dd8afbfd06 116 *
dreschpe 1:66dd8afbfd06 117 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 118 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 119 * @param color 1 set pixel ,0 erase pixel
dreschpe 1:66dd8afbfd06 120 * *
dreschpe 1:66dd8afbfd06 121 */
dreschpe 1:66dd8afbfd06 122 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 123
dreschpe 1:66dd8afbfd06 124 /** draw a filled rect
dreschpe 1:66dd8afbfd06 125 *
dreschpe 1:66dd8afbfd06 126 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 127 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 128 * @param color 1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 129 *
dreschpe 0:4bbc531be6e2 130 */
dreschpe 1:66dd8afbfd06 131 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 132
dreschpe 1:66dd8afbfd06 133 /** copy display buffer to lcd
dreschpe 1:66dd8afbfd06 134 *
dreschpe 1:66dd8afbfd06 135 */
dreschpe 1:66dd8afbfd06 136
dreschpe 0:4bbc531be6e2 137 void copy_to_lcd(void);
dreschpe 0:4bbc531be6e2 138
dreschpe 0:4bbc531be6e2 139 /** set the orienation of the screen
dreschpe 1:66dd8afbfd06 140 *
dreschpe 1:66dd8afbfd06 141 */
dreschpe 1:66dd8afbfd06 142
dreschpe 1:66dd8afbfd06 143 //void set_orientation(unsigned int o);
dreschpe 0:4bbc531be6e2 144
dreschpe 1:66dd8afbfd06 145 /** set the contrast of the screen
dreschpe 1:66dd8afbfd06 146 *
dreschpe 1:66dd8afbfd06 147 * @param o contrast 0-63
dreschpe 1:66dd8afbfd06 148 */
dreschpe 0:4bbc531be6e2 149
dreschpe 0:4bbc531be6e2 150 void set_contrast(unsigned int o);
dreschpe 1:66dd8afbfd06 151
dreschpe 1:66dd8afbfd06 152 /** read the contrast level
dreschpe 1:66dd8afbfd06 153 *
dreschpe 1:66dd8afbfd06 154 */
dreschpe 1:66dd8afbfd06 155 unsigned int get_contrast(void);
dreschpe 1:66dd8afbfd06 156
dreschpe 1:66dd8afbfd06 157
dreschpe 1:66dd8afbfd06 158
dreschpe 1:66dd8afbfd06 159 /** invert the screen
dreschpe 1:66dd8afbfd06 160 *
dreschpe 1:66dd8afbfd06 161 * @param o = 0 normal, 1 invert
dreschpe 1:66dd8afbfd06 162 */
dreschpe 0:4bbc531be6e2 163 void invert(unsigned int o);
dreschpe 1:66dd8afbfd06 164
dreschpe 1:66dd8afbfd06 165 /** clear the screen
dreschpe 1:66dd8afbfd06 166 *
dreschpe 1:66dd8afbfd06 167 */
dreschpe 1:66dd8afbfd06 168 virtual void cls(void);
dreschpe 1:66dd8afbfd06 169
dreschpe 1:66dd8afbfd06 170 /** set the drawing mode
dreschpe 1:66dd8afbfd06 171 *
dreschpe 1:66dd8afbfd06 172 * @param mode NORMAl or XOR
dreschpe 1:66dd8afbfd06 173 */
dreschpe 1:66dd8afbfd06 174
dreschpe 1:66dd8afbfd06 175 void setmode(int mode);
dreschpe 1:66dd8afbfd06 176
dreschpe 6:6b96b16aad47 177 virtual int columns(void);
dreschpe 1:66dd8afbfd06 178
dreschpe 1:66dd8afbfd06 179 /** calculate the max number of columns
dreschpe 1:66dd8afbfd06 180 *
dreschpe 1:66dd8afbfd06 181 * @returns max column
dreschpe 1:66dd8afbfd06 182 * depends on actual font size
dreschpe 1:66dd8afbfd06 183 *
dreschpe 1:66dd8afbfd06 184 */
dreschpe 6:6b96b16aad47 185 virtual int rows(void);
dreschpe 1:66dd8afbfd06 186
dreschpe 1:66dd8afbfd06 187 /** put a char on the screen
dreschpe 1:66dd8afbfd06 188 *
dreschpe 1:66dd8afbfd06 189 * @param value char to print
dreschpe 1:66dd8afbfd06 190 * @returns printed char
dreschpe 1:66dd8afbfd06 191 *
dreschpe 1:66dd8afbfd06 192 */
dreschpe 6:6b96b16aad47 193 virtual int _putc(int value);
dreschpe 1:66dd8afbfd06 194
dreschpe 1:66dd8afbfd06 195 /** draw a character on given position out of the active font to the LCD
dreschpe 1:66dd8afbfd06 196 *
dreschpe 1:66dd8afbfd06 197 * @param x x-position of char (top left)
dreschpe 1:66dd8afbfd06 198 * @param y y-position
dreschpe 1:66dd8afbfd06 199 * @param c char to print
dreschpe 1:66dd8afbfd06 200 *
dreschpe 1:66dd8afbfd06 201 */
dreschpe 1:66dd8afbfd06 202 virtual void character(int x, int y, int c);
dreschpe 1:66dd8afbfd06 203
dreschpe 1:66dd8afbfd06 204 /** setup cursor position
dreschpe 1:66dd8afbfd06 205 *
dreschpe 1:66dd8afbfd06 206 * @param x x-position (top left)
dreschpe 1:66dd8afbfd06 207 * @param y y-position
dreschpe 1:66dd8afbfd06 208 */
dreschpe 6:6b96b16aad47 209 virtual void locate(int x, int y);
dreschpe 3:468cdccff7af 210
dreschpe 3:468cdccff7af 211 /** setup auto update of screen
dreschpe 3:468cdccff7af 212 *
dreschpe 3:468cdccff7af 213 * @param up 1 = on , 0 = off
dreschpe 3:468cdccff7af 214 * if switched off the program has to call copy_to_lcd()
dreschpe 3:468cdccff7af 215 * to update screen from framebuffer
dreschpe 3:468cdccff7af 216 */
dreschpe 5:0f53e522a2bf 217 void set_auto_up(unsigned int up);
dreschpe 1:66dd8afbfd06 218
dreschpe 3:468cdccff7af 219 /** get status of the auto update function
dreschpe 3:468cdccff7af 220 *
dreschpe 3:468cdccff7af 221 * @returns if auto update is on
dreschpe 3:468cdccff7af 222 */
dreschpe 5:0f53e522a2bf 223 unsigned int get_auto_up(void);
dreschpe 0:4bbc531be6e2 224
dreschpe 0:4bbc531be6e2 225 /** Vars */
dreschpe 0:4bbc531be6e2 226 SPI _spi;
dreschpe 0:4bbc531be6e2 227 DigitalOut _reset;
dreschpe 0:4bbc531be6e2 228 DigitalOut _A0;
dreschpe 0:4bbc531be6e2 229 DigitalOut _CS;
dreschpe 0:4bbc531be6e2 230 unsigned char* font;
dreschpe 0:4bbc531be6e2 231 unsigned int draw_mode;
dreschpe 0:4bbc531be6e2 232
dreschpe 0:4bbc531be6e2 233
dreschpe 1:66dd8afbfd06 234 /** select the font to use
dreschpe 1:66dd8afbfd06 235 *
dreschpe 1:66dd8afbfd06 236 * @param f pointer to font array
dreschpe 1:66dd8afbfd06 237 *
dreschpe 1:66dd8afbfd06 238 * font array can created with GLCD Font Creator from http://www.mikroe.com
dreschpe 1:66dd8afbfd06 239 * you have to add 4 parameter at the beginning of the font array to use:
dreschpe 1:66dd8afbfd06 240 * - the number of byte / char
dreschpe 1:66dd8afbfd06 241 * - the vertial size in pixel
dreschpe 1:66dd8afbfd06 242 * - the horizontal size in pixel
dreschpe 1:66dd8afbfd06 243 * - the number of byte per vertical line
dreschpe 1:66dd8afbfd06 244 * you also have to change the array to char[]
dreschpe 1:66dd8afbfd06 245 *
dreschpe 1:66dd8afbfd06 246 */
dreschpe 1:66dd8afbfd06 247 void set_font(unsigned char* f);
dreschpe 7:0f5a3b0f3cab 248
dreschpe 7:0f5a3b0f3cab 249 /** print bitmap to buffer
dreschpe 7:0f5a3b0f3cab 250 *
dreschpe 7:0f5a3b0f3cab 251 * @param bm Bitmap in flash
dreschpe 7:0f5a3b0f3cab 252 * @param x x start
dreschpe 7:0f5a3b0f3cab 253 * @param y y start
dreschpe 7:0f5a3b0f3cab 254 *
dreschpe 7:0f5a3b0f3cab 255 */
dreschpe 0:4bbc531be6e2 256
dreschpe 7:0f5a3b0f3cab 257 void print_bm(Bitmap bm, int x, int y);
dreschpe 0:4bbc531be6e2 258
dreschpe 0:4bbc531be6e2 259 protected:
dreschpe 0:4bbc531be6e2 260
dreschpe 0:4bbc531be6e2 261 /** draw a horizontal line
dreschpe 0:4bbc531be6e2 262 *
dreschpe 0:4bbc531be6e2 263 * @param x0 horizontal start
dreschpe 0:4bbc531be6e2 264 * @param x1 horizontal stop
dreschpe 0:4bbc531be6e2 265 * @param y vertical position
dreschpe 0:4bbc531be6e2 266 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 267 *
dreschpe 0:4bbc531be6e2 268 */
dreschpe 0:4bbc531be6e2 269 void hline(int x0, int x1, int y, int colour);
dreschpe 0:4bbc531be6e2 270
dreschpe 0:4bbc531be6e2 271 /** draw a vertical line
dreschpe 0:4bbc531be6e2 272 *
dreschpe 0:4bbc531be6e2 273 * @param x horizontal position
dreschpe 0:4bbc531be6e2 274 * @param y0 vertical start
dreschpe 0:4bbc531be6e2 275 * @param y1 vertical stop
dreschpe 0:4bbc531be6e2 276 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 277 */
dreschpe 0:4bbc531be6e2 278 void vline(int y0, int y1, int x, int colour);
dreschpe 0:4bbc531be6e2 279
dreschpe 0:4bbc531be6e2 280 /** Init the C12832 LCD controller
dreschpe 0:4bbc531be6e2 281 *
dreschpe 0:4bbc531be6e2 282 */
dreschpe 0:4bbc531be6e2 283 void lcd_reset();
dreschpe 0:4bbc531be6e2 284
dreschpe 0:4bbc531be6e2 285 /** Write data to the LCD controller
dreschpe 0:4bbc531be6e2 286 *
dreschpe 0:4bbc531be6e2 287 * @param dat data written to LCD controller
dreschpe 0:4bbc531be6e2 288 *
dreschpe 0:4bbc531be6e2 289 */
dreschpe 0:4bbc531be6e2 290 void wr_dat(unsigned char value);
dreschpe 0:4bbc531be6e2 291
dreschpe 0:4bbc531be6e2 292 /** Write a command the LCD controller
dreschpe 0:4bbc531be6e2 293 *
dreschpe 0:4bbc531be6e2 294 * @param cmd: command to be written
dreschpe 0:4bbc531be6e2 295 *
dreschpe 0:4bbc531be6e2 296 */
dreschpe 0:4bbc531be6e2 297 void wr_cmd(unsigned char value);
dreschpe 1:66dd8afbfd06 298
dreschpe 0:4bbc531be6e2 299 void wr_cnt(unsigned char cmd);
dreschpe 0:4bbc531be6e2 300
dreschpe 0:4bbc531be6e2 301 unsigned int orientation;
dreschpe 0:4bbc531be6e2 302 unsigned int char_x;
dreschpe 0:4bbc531be6e2 303 unsigned int char_y;
dreschpe 0:4bbc531be6e2 304 unsigned char buffer[512];
dreschpe 1:66dd8afbfd06 305 unsigned int contrast;
dreschpe 3:468cdccff7af 306 unsigned int auto_up;
dreschpe 0:4bbc531be6e2 307
dreschpe 0:4bbc531be6e2 308 };
dreschpe 0:4bbc531be6e2 309
dreschpe 0:4bbc531be6e2 310
dreschpe 0:4bbc531be6e2 311
dreschpe 0:4bbc531be6e2 312
dreschpe 0:4bbc531be6e2 313 #endif