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Dependencies:   mbed

C12832_lcd/C12832_lcd.h@0:f4a7cf9ea593, 2020-07-31 (annotated)

Committer:
alanffrench
Date:
Fri Jul 31 17:21:00 2020 +0000
Revision:
0:f4a7cf9ea593
Chlorine Monitor

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alanffrench 0:f4a7cf9ea593 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
alanffrench 0:f4a7cf9ea593 2 * use C12832 controller
alanffrench 0:f4a7cf9ea593 3 * Copyright (c) 2012 Peter Drescher - DC2PD
alanffrench 0:f4a7cf9ea593 4 * Released under the MIT License: http://mbed.org/license/mit
alanffrench 0:f4a7cf9ea593 5 *
alanffrench 0:f4a7cf9ea593 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
alanffrench 0:f4a7cf9ea593 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
alanffrench 0:f4a7cf9ea593 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
alanffrench 0:f4a7cf9ea593 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
alanffrench 0:f4a7cf9ea593 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
alanffrench 0:f4a7cf9ea593 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
alanffrench 0:f4a7cf9ea593 12 * THE SOFTWARE.
alanffrench 0:f4a7cf9ea593 13 */
alanffrench 0:f4a7cf9ea593 14
alanffrench 0:f4a7cf9ea593 15 #ifndef C12832_H
alanffrench 0:f4a7cf9ea593 16 #define C12832_H
alanffrench 0:f4a7cf9ea593 17
alanffrench 0:f4a7cf9ea593 18 #include "mbed.h"
alanffrench 0:f4a7cf9ea593 19 #include "GraphicsDisplay.h"
alanffrench 0:f4a7cf9ea593 20
alanffrench 0:f4a7cf9ea593 21
alanffrench 0:f4a7cf9ea593 22 /** optional Defines :
alanffrench 0:f4a7cf9ea593 23 * #define debug_lcd 1 enable infos to PC_USB
alanffrench 0:f4a7cf9ea593 24 */
alanffrench 0:f4a7cf9ea593 25
alanffrench 0:f4a7cf9ea593 26 // some defines for the DMA use
alanffrench 0:f4a7cf9ea593 27 #define DMA_CHANNEL_ENABLE 1
alanffrench 0:f4a7cf9ea593 28 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
alanffrench 0:f4a7cf9ea593 29 #define DMA_CHANNEL_TCIE (1UL << 31)
alanffrench 0:f4a7cf9ea593 30 #define DMA_CHANNEL_SRC_INC (1UL << 26)
alanffrench 0:f4a7cf9ea593 31 #define DMA_MASK_IE (1UL << 14)
alanffrench 0:f4a7cf9ea593 32 #define DMA_MASK_ITC (1UL << 15)
alanffrench 0:f4a7cf9ea593 33 #define DMA_SSP1_TX (1UL << 2)
alanffrench 0:f4a7cf9ea593 34 #define DMA_SSP0_TX (0)
alanffrench 0:f4a7cf9ea593 35 #define DMA_DEST_SSP1_TX (2UL << 6)
alanffrench 0:f4a7cf9ea593 36 #define DMA_DEST_SSP0_TX (0UL << 6)
alanffrench 0:f4a7cf9ea593 37
alanffrench 0:f4a7cf9ea593 38 /** Draw mode
alanffrench 0:f4a7cf9ea593 39 * NORMAl
alanffrench 0:f4a7cf9ea593 40 * XOR set pixel by xor the screen
alanffrench 0:f4a7cf9ea593 41 */
alanffrench 0:f4a7cf9ea593 42 enum {NORMAL,XOR};
alanffrench 0:f4a7cf9ea593 43
alanffrench 0:f4a7cf9ea593 44 /** Bitmap
alanffrench 0:f4a7cf9ea593 45 */
alanffrench 0:f4a7cf9ea593 46 struct Bitmap{
alanffrench 0:f4a7cf9ea593 47 int xSize;
alanffrench 0:f4a7cf9ea593 48 int ySize;
alanffrench 0:f4a7cf9ea593 49 int Byte_in_Line;
alanffrench 0:f4a7cf9ea593 50 char* data;
alanffrench 0:f4a7cf9ea593 51 };
alanffrench 0:f4a7cf9ea593 52
alanffrench 0:f4a7cf9ea593 53 class C12832_LCD : public GraphicsDisplay
alanffrench 0:f4a7cf9ea593 54 {
alanffrench 0:f4a7cf9ea593 55 public:
alanffrench 0:f4a7cf9ea593 56 /** Create a C12832_LCD object connected to SPI1
alanffrench 0:f4a7cf9ea593 57 *
alanffrench 0:f4a7cf9ea593 58 */
alanffrench 0:f4a7cf9ea593 59
alanffrench 0:f4a7cf9ea593 60 C12832_LCD(const char* name = "LCD");
alanffrench 0:f4a7cf9ea593 61
alanffrench 0:f4a7cf9ea593 62 /** Get the width of the screen in pixel
alanffrench 0:f4a7cf9ea593 63 *
alanffrench 0:f4a7cf9ea593 64 * @param
alanffrench 0:f4a7cf9ea593 65 * @returns width of screen in pixel
alanffrench 0:f4a7cf9ea593 66 *
alanffrench 0:f4a7cf9ea593 67 */
alanffrench 0:f4a7cf9ea593 68 virtual int width();
alanffrench 0:f4a7cf9ea593 69
alanffrench 0:f4a7cf9ea593 70 /** Get the height of the screen in pixel
alanffrench 0:f4a7cf9ea593 71 *
alanffrench 0:f4a7cf9ea593 72 * @returns height of screen in pixel
alanffrench 0:f4a7cf9ea593 73 *
alanffrench 0:f4a7cf9ea593 74 */
alanffrench 0:f4a7cf9ea593 75 virtual int height();
alanffrench 0:f4a7cf9ea593 76
alanffrench 0:f4a7cf9ea593 77 /** Draw a pixel at x,y black or white
alanffrench 0:f4a7cf9ea593 78 *
alanffrench 0:f4a7cf9ea593 79 * @param x horizontal position
alanffrench 0:f4a7cf9ea593 80 * @param y vertical position
alanffrench 0:f4a7cf9ea593 81 * @param colour ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 82 */
alanffrench 0:f4a7cf9ea593 83 virtual void pixel(int x, int y,int colour);
alanffrench 0:f4a7cf9ea593 84
alanffrench 0:f4a7cf9ea593 85 /** draw a circle
alanffrench 0:f4a7cf9ea593 86 *
alanffrench 0:f4a7cf9ea593 87 * @param x0,y0 center
alanffrench 0:f4a7cf9ea593 88 * @param r radius
alanffrench 0:f4a7cf9ea593 89 * @param colour ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 90 *
alanffrench 0:f4a7cf9ea593 91 */
alanffrench 0:f4a7cf9ea593 92 void circle(int x, int y, int r, int colour);
alanffrench 0:f4a7cf9ea593 93
alanffrench 0:f4a7cf9ea593 94 /** draw a filled circle
alanffrench 0:f4a7cf9ea593 95 *
alanffrench 0:f4a7cf9ea593 96 * @param x0,y0 center
alanffrench 0:f4a7cf9ea593 97 * @param r radius
alanffrench 0:f4a7cf9ea593 98 * @param color ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 99 *
alanffrench 0:f4a7cf9ea593 100 * use circle with different radius,
alanffrench 0:f4a7cf9ea593 101 * can miss some pixel
alanffrench 0:f4a7cf9ea593 102 */
alanffrench 0:f4a7cf9ea593 103 void fillcircle(int x, int y, int r, int colour);
alanffrench 0:f4a7cf9ea593 104
alanffrench 0:f4a7cf9ea593 105 /** draw a 1 pixel line
alanffrench 0:f4a7cf9ea593 106 *
alanffrench 0:f4a7cf9ea593 107 * @param x0,y0 start point
alanffrench 0:f4a7cf9ea593 108 * @param x1,y1 stop point
alanffrench 0:f4a7cf9ea593 109 * @param color ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 110 *
alanffrench 0:f4a7cf9ea593 111 */
alanffrench 0:f4a7cf9ea593 112 void line(int x0, int y0, int x1, int y1, int colour);
alanffrench 0:f4a7cf9ea593 113
alanffrench 0:f4a7cf9ea593 114 /** draw a rect
alanffrench 0:f4a7cf9ea593 115 *
alanffrench 0:f4a7cf9ea593 116 * @param x0,y0 top left corner
alanffrench 0:f4a7cf9ea593 117 * @param x1,y1 down right corner
alanffrench 0:f4a7cf9ea593 118 * @param color 1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 119 * *
alanffrench 0:f4a7cf9ea593 120 */
alanffrench 0:f4a7cf9ea593 121 void rect(int x0, int y0, int x1, int y1, int colour);
alanffrench 0:f4a7cf9ea593 122
alanffrench 0:f4a7cf9ea593 123 /** draw a filled rect
alanffrench 0:f4a7cf9ea593 124 *
alanffrench 0:f4a7cf9ea593 125 * @param x0,y0 top left corner
alanffrench 0:f4a7cf9ea593 126 * @param x1,y1 down right corner
alanffrench 0:f4a7cf9ea593 127 * @param color 1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 128 *
alanffrench 0:f4a7cf9ea593 129 */
alanffrench 0:f4a7cf9ea593 130 void fillrect(int x0, int y0, int x1, int y1, int colour);
alanffrench 0:f4a7cf9ea593 131
alanffrench 0:f4a7cf9ea593 132 /** copy display buffer to lcd
alanffrench 0:f4a7cf9ea593 133 *
alanffrench 0:f4a7cf9ea593 134 */
alanffrench 0:f4a7cf9ea593 135
alanffrench 0:f4a7cf9ea593 136 void copy_to_lcd(void);
alanffrench 0:f4a7cf9ea593 137
alanffrench 0:f4a7cf9ea593 138 /** set the orienation of the screen
alanffrench 0:f4a7cf9ea593 139 *
alanffrench 0:f4a7cf9ea593 140 */
alanffrench 0:f4a7cf9ea593 141
alanffrench 0:f4a7cf9ea593 142 //void set_orientation(unsigned int o);
alanffrench 0:f4a7cf9ea593 143
alanffrench 0:f4a7cf9ea593 144 /** set the contrast of the screen
alanffrench 0:f4a7cf9ea593 145 *
alanffrench 0:f4a7cf9ea593 146 * @param o contrast 0-63
alanffrench 0:f4a7cf9ea593 147 */
alanffrench 0:f4a7cf9ea593 148
alanffrench 0:f4a7cf9ea593 149 void set_contrast(unsigned int o);
alanffrench 0:f4a7cf9ea593 150
alanffrench 0:f4a7cf9ea593 151 /** read the contrast level
alanffrench 0:f4a7cf9ea593 152 *
alanffrench 0:f4a7cf9ea593 153 */
alanffrench 0:f4a7cf9ea593 154 unsigned int get_contrast(void);
alanffrench 0:f4a7cf9ea593 155
alanffrench 0:f4a7cf9ea593 156
alanffrench 0:f4a7cf9ea593 157
alanffrench 0:f4a7cf9ea593 158 /** invert the screen
alanffrench 0:f4a7cf9ea593 159 *
alanffrench 0:f4a7cf9ea593 160 * @param o = 0 normal, 1 invert
alanffrench 0:f4a7cf9ea593 161 */
alanffrench 0:f4a7cf9ea593 162 void invert(unsigned int o);
alanffrench 0:f4a7cf9ea593 163
alanffrench 0:f4a7cf9ea593 164 /** clear the screen
alanffrench 0:f4a7cf9ea593 165 *
alanffrench 0:f4a7cf9ea593 166 */
alanffrench 0:f4a7cf9ea593 167 virtual void cls(void);
alanffrench 0:f4a7cf9ea593 168
alanffrench 0:f4a7cf9ea593 169 /** set the drawing mode
alanffrench 0:f4a7cf9ea593 170 *
alanffrench 0:f4a7cf9ea593 171 * @param mode NORMAl or XOR
alanffrench 0:f4a7cf9ea593 172 */
alanffrench 0:f4a7cf9ea593 173
alanffrench 0:f4a7cf9ea593 174 void setmode(int mode);
alanffrench 0:f4a7cf9ea593 175
alanffrench 0:f4a7cf9ea593 176 virtual int columns(void);
alanffrench 0:f4a7cf9ea593 177
alanffrench 0:f4a7cf9ea593 178 /** calculate the max number of columns
alanffrench 0:f4a7cf9ea593 179 *
alanffrench 0:f4a7cf9ea593 180 * @returns max column
alanffrench 0:f4a7cf9ea593 181 * depends on actual font size
alanffrench 0:f4a7cf9ea593 182 *
alanffrench 0:f4a7cf9ea593 183 */
alanffrench 0:f4a7cf9ea593 184 virtual int rows(void);
alanffrench 0:f4a7cf9ea593 185
alanffrench 0:f4a7cf9ea593 186 /** put a char on the screen
alanffrench 0:f4a7cf9ea593 187 *
alanffrench 0:f4a7cf9ea593 188 * @param value char to print
alanffrench 0:f4a7cf9ea593 189 * @returns printed char
alanffrench 0:f4a7cf9ea593 190 *
alanffrench 0:f4a7cf9ea593 191 */
alanffrench 0:f4a7cf9ea593 192 virtual int _putc(int value);
alanffrench 0:f4a7cf9ea593 193
alanffrench 0:f4a7cf9ea593 194 /** draw a character on given position out of the active font to the LCD
alanffrench 0:f4a7cf9ea593 195 *
alanffrench 0:f4a7cf9ea593 196 * @param x x-position of char (top left)
alanffrench 0:f4a7cf9ea593 197 * @param y y-position
alanffrench 0:f4a7cf9ea593 198 * @param c char to print
alanffrench 0:f4a7cf9ea593 199 *
alanffrench 0:f4a7cf9ea593 200 */
alanffrench 0:f4a7cf9ea593 201 virtual void character(int x, int y, int c);
alanffrench 0:f4a7cf9ea593 202
alanffrench 0:f4a7cf9ea593 203 /** setup cursor position
alanffrench 0:f4a7cf9ea593 204 *
alanffrench 0:f4a7cf9ea593 205 * @param x x-position (top left)
alanffrench 0:f4a7cf9ea593 206 * @param y y-position
alanffrench 0:f4a7cf9ea593 207 */
alanffrench 0:f4a7cf9ea593 208 virtual void locate(int x, int y);
alanffrench 0:f4a7cf9ea593 209
alanffrench 0:f4a7cf9ea593 210 /** setup auto update of screen
alanffrench 0:f4a7cf9ea593 211 *
alanffrench 0:f4a7cf9ea593 212 * @param up 1 = on , 0 = off
alanffrench 0:f4a7cf9ea593 213 * if switched off the program has to call copy_to_lcd()
alanffrench 0:f4a7cf9ea593 214 * to update screen from framebuffer
alanffrench 0:f4a7cf9ea593 215 */
alanffrench 0:f4a7cf9ea593 216 void set_auto_up(unsigned int up);
alanffrench 0:f4a7cf9ea593 217
alanffrench 0:f4a7cf9ea593 218 /** get status of the auto update function
alanffrench 0:f4a7cf9ea593 219 *
alanffrench 0:f4a7cf9ea593 220 * @returns if auto update is on
alanffrench 0:f4a7cf9ea593 221 */
alanffrench 0:f4a7cf9ea593 222 unsigned int get_auto_up(void);
alanffrench 0:f4a7cf9ea593 223
alanffrench 0:f4a7cf9ea593 224 /** Vars */
alanffrench 0:f4a7cf9ea593 225 SPI _spi;
alanffrench 0:f4a7cf9ea593 226 DigitalOut _reset;
alanffrench 0:f4a7cf9ea593 227 DigitalOut _A0;
alanffrench 0:f4a7cf9ea593 228 DigitalOut _CS;
alanffrench 0:f4a7cf9ea593 229 unsigned char* font;
alanffrench 0:f4a7cf9ea593 230 unsigned int draw_mode;
alanffrench 0:f4a7cf9ea593 231
alanffrench 0:f4a7cf9ea593 232
alanffrench 0:f4a7cf9ea593 233 /** select the font to use
alanffrench 0:f4a7cf9ea593 234 *
alanffrench 0:f4a7cf9ea593 235 * @param f pointer to font array
alanffrench 0:f4a7cf9ea593 236 *
alanffrench 0:f4a7cf9ea593 237 * font array can created with GLCD Font Creator from http://www.mikroe.com
alanffrench 0:f4a7cf9ea593 238 * you have to add 4 parameter at the beginning of the font array to use:
alanffrench 0:f4a7cf9ea593 239 * - the number of byte / char
alanffrench 0:f4a7cf9ea593 240 * - the vertial size in pixel
alanffrench 0:f4a7cf9ea593 241 * - the horizontal size in pixel
alanffrench 0:f4a7cf9ea593 242 * - the number of byte per vertical line
alanffrench 0:f4a7cf9ea593 243 * you also have to change the array to char[]
alanffrench 0:f4a7cf9ea593 244 *
alanffrench 0:f4a7cf9ea593 245 */
alanffrench 0:f4a7cf9ea593 246 void set_font(unsigned char* f);
alanffrench 0:f4a7cf9ea593 247
alanffrench 0:f4a7cf9ea593 248 /** print bitmap to buffer
alanffrench 0:f4a7cf9ea593 249 *
alanffrench 0:f4a7cf9ea593 250 * @param bm Bitmap in flash
alanffrench 0:f4a7cf9ea593 251 * @param x x start
alanffrench 0:f4a7cf9ea593 252 * @param y y start
alanffrench 0:f4a7cf9ea593 253 *
alanffrench 0:f4a7cf9ea593 254 */
alanffrench 0:f4a7cf9ea593 255
alanffrench 0:f4a7cf9ea593 256 void print_bm(Bitmap bm, int x, int y);
alanffrench 0:f4a7cf9ea593 257
alanffrench 0:f4a7cf9ea593 258 protected:
alanffrench 0:f4a7cf9ea593 259
alanffrench 0:f4a7cf9ea593 260 /** draw a horizontal line
alanffrench 0:f4a7cf9ea593 261 *
alanffrench 0:f4a7cf9ea593 262 * @param x0 horizontal start
alanffrench 0:f4a7cf9ea593 263 * @param x1 horizontal stop
alanffrench 0:f4a7cf9ea593 264 * @param y vertical position
alanffrench 0:f4a7cf9ea593 265 * @param ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 266 *
alanffrench 0:f4a7cf9ea593 267 */
alanffrench 0:f4a7cf9ea593 268 void hline(int x0, int x1, int y, int colour);
alanffrench 0:f4a7cf9ea593 269
alanffrench 0:f4a7cf9ea593 270 /** draw a vertical line
alanffrench 0:f4a7cf9ea593 271 *
alanffrench 0:f4a7cf9ea593 272 * @param x horizontal position
alanffrench 0:f4a7cf9ea593 273 * @param y0 vertical start
alanffrench 0:f4a7cf9ea593 274 * @param y1 vertical stop
alanffrench 0:f4a7cf9ea593 275 * @param ,1 set pixel ,0 erase pixel
alanffrench 0:f4a7cf9ea593 276 */
alanffrench 0:f4a7cf9ea593 277 void vline(int y0, int y1, int x, int colour);
alanffrench 0:f4a7cf9ea593 278
alanffrench 0:f4a7cf9ea593 279 /** Init the C12832 LCD controller
alanffrench 0:f4a7cf9ea593 280 *
alanffrench 0:f4a7cf9ea593 281 */
alanffrench 0:f4a7cf9ea593 282 void lcd_reset();
alanffrench 0:f4a7cf9ea593 283
alanffrench 0:f4a7cf9ea593 284 /** Write data to the LCD controller
alanffrench 0:f4a7cf9ea593 285 *
alanffrench 0:f4a7cf9ea593 286 * @param dat data written to LCD controller
alanffrench 0:f4a7cf9ea593 287 *
alanffrench 0:f4a7cf9ea593 288 */
alanffrench 0:f4a7cf9ea593 289 void wr_dat(unsigned char value);
alanffrench 0:f4a7cf9ea593 290
alanffrench 0:f4a7cf9ea593 291 /** Write a command the LCD controller
alanffrench 0:f4a7cf9ea593 292 *
alanffrench 0:f4a7cf9ea593 293 * @param cmd: command to be written
alanffrench 0:f4a7cf9ea593 294 *
alanffrench 0:f4a7cf9ea593 295 */
alanffrench 0:f4a7cf9ea593 296 void wr_cmd(unsigned char value);
alanffrench 0:f4a7cf9ea593 297
alanffrench 0:f4a7cf9ea593 298 void wr_cnt(unsigned char cmd);
alanffrench 0:f4a7cf9ea593 299
alanffrench 0:f4a7cf9ea593 300 unsigned int orientation;
alanffrench 0:f4a7cf9ea593 301 unsigned int char_x;
alanffrench 0:f4a7cf9ea593 302 unsigned int char_y;
alanffrench 0:f4a7cf9ea593 303 unsigned char buffer[512];
alanffrench 0:f4a7cf9ea593 304 unsigned int contrast;
alanffrench 0:f4a7cf9ea593 305 unsigned int auto_up;
alanffrench 0:f4a7cf9ea593 306
alanffrench 0:f4a7cf9ea593 307 };
alanffrench 0:f4a7cf9ea593 308
alanffrench 0:f4a7cf9ea593 309
alanffrench 0:f4a7cf9ea593 310
alanffrench 0:f4a7cf9ea593 311
alanffrench 0:f4a7cf9ea593 312 #endif