Gernot Mörtl / C12832_lcd

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Dependents:   4CHEL_test_popa

C12832_lcd.h@11:d41b71b9f62c, 2019-02-27 (annotated)

Committer:
gmoertl
Date:
Wed Feb 27 20:28:47 2019 +0000
Revision:
11:d41b71b9f62c
Parent:
7:0f5a3b0f3cab 
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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
gmoertl 11:d41b71b9f62c 21 #include "Small_6.h"
gmoertl 11:d41b71b9f62c 22 #include "Small_7.h"
gmoertl 11:d41b71b9f62c 23 #include "Arial_9.h"
dreschpe 0:4bbc531be6e2 24
dreschpe 1:66dd8afbfd06 25 /** optional Defines :
dreschpe 0:4bbc531be6e2 26 * #define debug_lcd 1 enable infos to PC_USB
dreschpe 0:4bbc531be6e2 27 */
dreschpe 0:4bbc531be6e2 28
dreschpe 0:4bbc531be6e2 29 // some defines for the DMA use
dreschpe 0:4bbc531be6e2 30 #define DMA_CHANNEL_ENABLE 1
dreschpe 0:4bbc531be6e2 31 #define DMA_TRANSFER_TYPE_M2P (1UL << 11)
dreschpe 0:4bbc531be6e2 32 #define DMA_CHANNEL_TCIE (1UL << 31)
dreschpe 0:4bbc531be6e2 33 #define DMA_CHANNEL_SRC_INC (1UL << 26)
dreschpe 0:4bbc531be6e2 34 #define DMA_MASK_IE (1UL << 14)
dreschpe 0:4bbc531be6e2 35 #define DMA_MASK_ITC (1UL << 15)
dreschpe 0:4bbc531be6e2 36 #define DMA_SSP1_TX (1UL << 2)
dreschpe 0:4bbc531be6e2 37 #define DMA_SSP0_TX (0)
dreschpe 0:4bbc531be6e2 38 #define DMA_DEST_SSP1_TX (2UL << 6)
dreschpe 0:4bbc531be6e2 39 #define DMA_DEST_SSP0_TX (0UL << 6)
dreschpe 0:4bbc531be6e2 40
dreschpe 1:66dd8afbfd06 41 /** Draw mode
dreschpe 1:66dd8afbfd06 42 * NORMAl
dreschpe 1:66dd8afbfd06 43 * XOR set pixel by xor the screen
dreschpe 1:66dd8afbfd06 44 */
dreschpe 0:4bbc531be6e2 45 enum {NORMAL,XOR};
dreschpe 0:4bbc531be6e2 46
dreschpe 7:0f5a3b0f3cab 47 /** Bitmap
dreschpe 7:0f5a3b0f3cab 48 */
dreschpe 7:0f5a3b0f3cab 49 struct Bitmap{
dreschpe 7:0f5a3b0f3cab 50 int xSize;
dreschpe 7:0f5a3b0f3cab 51 int ySize;
dreschpe 7:0f5a3b0f3cab 52 int Byte_in_Line;
dreschpe 7:0f5a3b0f3cab 53 char* data;
dreschpe 7:0f5a3b0f3cab 54 };
dreschpe 7:0f5a3b0f3cab 55
dreschpe 0:4bbc531be6e2 56 class C12832_LCD : public GraphicsDisplay
dreschpe 0:4bbc531be6e2 57 {
dreschpe 0:4bbc531be6e2 58 public:
dreschpe 0:4bbc531be6e2 59 /** Create a C12832_LCD object connected to SPI1
dreschpe 0:4bbc531be6e2 60 *
dreschpe 0:4bbc531be6e2 61 */
dreschpe 0:4bbc531be6e2 62
dreschpe 0:4bbc531be6e2 63 C12832_LCD(const char* name = "LCD");
dreschpe 0:4bbc531be6e2 64
dreschpe 0:4bbc531be6e2 65 /** Get the width of the screen in pixel
dreschpe 0:4bbc531be6e2 66 *
dreschpe 0:4bbc531be6e2 67 * @param
dreschpe 0:4bbc531be6e2 68 * @returns width of screen in pixel
dreschpe 0:4bbc531be6e2 69 *
dreschpe 0:4bbc531be6e2 70 */
dreschpe 0:4bbc531be6e2 71 virtual int width();
dreschpe 0:4bbc531be6e2 72
dreschpe 0:4bbc531be6e2 73 /** Get the height of the screen in pixel
dreschpe 0:4bbc531be6e2 74 *
dreschpe 0:4bbc531be6e2 75 * @returns height of screen in pixel
dreschpe 0:4bbc531be6e2 76 *
dreschpe 0:4bbc531be6e2 77 */
dreschpe 0:4bbc531be6e2 78 virtual int height();
dreschpe 0:4bbc531be6e2 79
dreschpe 0:4bbc531be6e2 80 /** Draw a pixel at x,y black or white
dreschpe 0:4bbc531be6e2 81 *
dreschpe 0:4bbc531be6e2 82 * @param x horizontal position
dreschpe 0:4bbc531be6e2 83 * @param y vertical position
dreschpe 0:4bbc531be6e2 84 * @param colour ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 85 */
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 */
dreschpe 0:4bbc531be6e2 95 void circle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 96
dreschpe 0:4bbc531be6e2 97 /** draw a filled circle
dreschpe 0:4bbc531be6e2 98 *
dreschpe 0:4bbc531be6e2 99 * @param x0,y0 center
dreschpe 0:4bbc531be6e2 100 * @param r radius
dreschpe 0:4bbc531be6e2 101 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 102 *
dreschpe 0:4bbc531be6e2 103 * use circle with different radius,
dreschpe 0:4bbc531be6e2 104 * can miss some pixel
dreschpe 0:4bbc531be6e2 105 */
dreschpe 0:4bbc531be6e2 106 void fillcircle(int x, int y, int r, int colour);
dreschpe 0:4bbc531be6e2 107
dreschpe 0:4bbc531be6e2 108 /** draw a 1 pixel line
dreschpe 0:4bbc531be6e2 109 *
dreschpe 0:4bbc531be6e2 110 * @param x0,y0 start point
dreschpe 0:4bbc531be6e2 111 * @param x1,y1 stop point
dreschpe 0:4bbc531be6e2 112 * @param color ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 113 *
dreschpe 0:4bbc531be6e2 114 */
dreschpe 0:4bbc531be6e2 115 void line(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 116
dreschpe 0:4bbc531be6e2 117 /** draw a rect
dreschpe 1:66dd8afbfd06 118 *
dreschpe 1:66dd8afbfd06 119 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 120 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 121 * @param color 1 set pixel ,0 erase pixel
dreschpe 1:66dd8afbfd06 122 * *
dreschpe 1:66dd8afbfd06 123 */
dreschpe 1:66dd8afbfd06 124 void rect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 125
dreschpe 1:66dd8afbfd06 126 /** draw a filled rect
dreschpe 1:66dd8afbfd06 127 *
dreschpe 1:66dd8afbfd06 128 * @param x0,y0 top left corner
dreschpe 1:66dd8afbfd06 129 * @param x1,y1 down right corner
dreschpe 1:66dd8afbfd06 130 * @param color 1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 131 *
dreschpe 0:4bbc531be6e2 132 */
dreschpe 1:66dd8afbfd06 133 void fillrect(int x0, int y0, int x1, int y1, int colour);
dreschpe 1:66dd8afbfd06 134
dreschpe 1:66dd8afbfd06 135 /** copy display buffer to lcd
dreschpe 1:66dd8afbfd06 136 *
dreschpe 1:66dd8afbfd06 137 */
dreschpe 1:66dd8afbfd06 138
dreschpe 0:4bbc531be6e2 139 void copy_to_lcd(void);
dreschpe 0:4bbc531be6e2 140
dreschpe 0:4bbc531be6e2 141 /** set the orienation of the screen
dreschpe 1:66dd8afbfd06 142 *
dreschpe 1:66dd8afbfd06 143 */
dreschpe 1:66dd8afbfd06 144
dreschpe 1:66dd8afbfd06 145 //void set_orientation(unsigned int o);
dreschpe 0:4bbc531be6e2 146
dreschpe 1:66dd8afbfd06 147 /** set the contrast of the screen
dreschpe 1:66dd8afbfd06 148 *
dreschpe 1:66dd8afbfd06 149 * @param o contrast 0-63
dreschpe 1:66dd8afbfd06 150 */
dreschpe 0:4bbc531be6e2 151
dreschpe 0:4bbc531be6e2 152 void set_contrast(unsigned int o);
dreschpe 1:66dd8afbfd06 153
dreschpe 1:66dd8afbfd06 154 /** read the contrast level
dreschpe 1:66dd8afbfd06 155 *
dreschpe 1:66dd8afbfd06 156 */
dreschpe 1:66dd8afbfd06 157 unsigned int get_contrast(void);
dreschpe 1:66dd8afbfd06 158
dreschpe 1:66dd8afbfd06 159
dreschpe 1:66dd8afbfd06 160
dreschpe 1:66dd8afbfd06 161 /** invert the screen
dreschpe 1:66dd8afbfd06 162 *
dreschpe 1:66dd8afbfd06 163 * @param o = 0 normal, 1 invert
dreschpe 1:66dd8afbfd06 164 */
dreschpe 0:4bbc531be6e2 165 void invert(unsigned int o);
dreschpe 1:66dd8afbfd06 166
dreschpe 1:66dd8afbfd06 167 /** clear the screen
dreschpe 1:66dd8afbfd06 168 *
dreschpe 1:66dd8afbfd06 169 */
dreschpe 1:66dd8afbfd06 170 virtual void cls(void);
dreschpe 1:66dd8afbfd06 171
dreschpe 1:66dd8afbfd06 172 /** set the drawing mode
dreschpe 1:66dd8afbfd06 173 *
dreschpe 1:66dd8afbfd06 174 * @param mode NORMAl or XOR
dreschpe 1:66dd8afbfd06 175 */
dreschpe 1:66dd8afbfd06 176
dreschpe 1:66dd8afbfd06 177 void setmode(int mode);
dreschpe 1:66dd8afbfd06 178
dreschpe 6:6b96b16aad47 179 virtual int columns(void);
dreschpe 1:66dd8afbfd06 180
dreschpe 1:66dd8afbfd06 181 /** calculate the max number of columns
dreschpe 1:66dd8afbfd06 182 *
dreschpe 1:66dd8afbfd06 183 * @returns max column
dreschpe 1:66dd8afbfd06 184 * depends on actual font size
dreschpe 1:66dd8afbfd06 185 *
dreschpe 1:66dd8afbfd06 186 */
dreschpe 6:6b96b16aad47 187 virtual int rows(void);
dreschpe 1:66dd8afbfd06 188
dreschpe 1:66dd8afbfd06 189 /** put a char on the screen
dreschpe 1:66dd8afbfd06 190 *
dreschpe 1:66dd8afbfd06 191 * @param value char to print
dreschpe 1:66dd8afbfd06 192 * @returns printed char
dreschpe 1:66dd8afbfd06 193 *
dreschpe 1:66dd8afbfd06 194 */
dreschpe 6:6b96b16aad47 195 virtual int _putc(int value);
dreschpe 1:66dd8afbfd06 196
dreschpe 1:66dd8afbfd06 197 /** draw a character on given position out of the active font to the LCD
dreschpe 1:66dd8afbfd06 198 *
dreschpe 1:66dd8afbfd06 199 * @param x x-position of char (top left)
dreschpe 1:66dd8afbfd06 200 * @param y y-position
dreschpe 1:66dd8afbfd06 201 * @param c char to print
dreschpe 1:66dd8afbfd06 202 *
dreschpe 1:66dd8afbfd06 203 */
dreschpe 1:66dd8afbfd06 204 virtual void character(int x, int y, int c);
dreschpe 1:66dd8afbfd06 205
dreschpe 1:66dd8afbfd06 206 /** setup cursor position
dreschpe 1:66dd8afbfd06 207 *
dreschpe 1:66dd8afbfd06 208 * @param x x-position (top left)
dreschpe 1:66dd8afbfd06 209 * @param y y-position
dreschpe 1:66dd8afbfd06 210 */
dreschpe 6:6b96b16aad47 211 virtual void locate(int x, int y);
dreschpe 3:468cdccff7af 212
dreschpe 3:468cdccff7af 213 /** setup auto update of screen
dreschpe 3:468cdccff7af 214 *
dreschpe 3:468cdccff7af 215 * @param up 1 = on , 0 = off
dreschpe 3:468cdccff7af 216 * if switched off the program has to call copy_to_lcd()
dreschpe 3:468cdccff7af 217 * to update screen from framebuffer
dreschpe 3:468cdccff7af 218 */
dreschpe 5:0f53e522a2bf 219 void set_auto_up(unsigned int up);
dreschpe 1:66dd8afbfd06 220
dreschpe 3:468cdccff7af 221 /** get status of the auto update function
dreschpe 3:468cdccff7af 222 *
dreschpe 3:468cdccff7af 223 * @returns if auto update is on
dreschpe 3:468cdccff7af 224 */
dreschpe 5:0f53e522a2bf 225 unsigned int get_auto_up(void);
dreschpe 0:4bbc531be6e2 226
dreschpe 0:4bbc531be6e2 227 /** Vars */
dreschpe 0:4bbc531be6e2 228 SPI _spi;
dreschpe 0:4bbc531be6e2 229 DigitalOut _reset;
dreschpe 0:4bbc531be6e2 230 DigitalOut _A0;
dreschpe 0:4bbc531be6e2 231 DigitalOut _CS;
dreschpe 0:4bbc531be6e2 232 unsigned char* font;
dreschpe 0:4bbc531be6e2 233 unsigned int draw_mode;
dreschpe 0:4bbc531be6e2 234
dreschpe 0:4bbc531be6e2 235
dreschpe 1:66dd8afbfd06 236 /** select the font to use
dreschpe 1:66dd8afbfd06 237 *
dreschpe 1:66dd8afbfd06 238 * @param f pointer to font array
dreschpe 1:66dd8afbfd06 239 *
dreschpe 1:66dd8afbfd06 240 * font array can created with GLCD Font Creator from http://www.mikroe.com
dreschpe 1:66dd8afbfd06 241 * you have to add 4 parameter at the beginning of the font array to use:
dreschpe 1:66dd8afbfd06 242 * - the number of byte / char
dreschpe 1:66dd8afbfd06 243 * - the vertial size in pixel
dreschpe 1:66dd8afbfd06 244 * - the horizontal size in pixel
dreschpe 1:66dd8afbfd06 245 * - the number of byte per vertical line
dreschpe 1:66dd8afbfd06 246 * you also have to change the array to char[]
dreschpe 1:66dd8afbfd06 247 *
dreschpe 1:66dd8afbfd06 248 */
dreschpe 1:66dd8afbfd06 249 void set_font(unsigned char* f);
dreschpe 7:0f5a3b0f3cab 250
dreschpe 7:0f5a3b0f3cab 251 /** print bitmap to buffer
dreschpe 7:0f5a3b0f3cab 252 *
dreschpe 7:0f5a3b0f3cab 253 * @param bm Bitmap in flash
dreschpe 7:0f5a3b0f3cab 254 * @param x x start
dreschpe 7:0f5a3b0f3cab 255 * @param y y start
dreschpe 7:0f5a3b0f3cab 256 *
dreschpe 7:0f5a3b0f3cab 257 */
dreschpe 0:4bbc531be6e2 258
dreschpe 7:0f5a3b0f3cab 259 void print_bm(Bitmap bm, int x, int y);
dreschpe 0:4bbc531be6e2 260
dreschpe 0:4bbc531be6e2 261 protected:
dreschpe 0:4bbc531be6e2 262
dreschpe 0:4bbc531be6e2 263 /** draw a horizontal line
dreschpe 0:4bbc531be6e2 264 *
dreschpe 0:4bbc531be6e2 265 * @param x0 horizontal start
dreschpe 0:4bbc531be6e2 266 * @param x1 horizontal stop
dreschpe 0:4bbc531be6e2 267 * @param y vertical position
dreschpe 0:4bbc531be6e2 268 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 269 *
dreschpe 0:4bbc531be6e2 270 */
dreschpe 0:4bbc531be6e2 271 void hline(int x0, int x1, int y, int colour);
dreschpe 0:4bbc531be6e2 272
dreschpe 0:4bbc531be6e2 273 /** draw a vertical line
dreschpe 0:4bbc531be6e2 274 *
dreschpe 0:4bbc531be6e2 275 * @param x horizontal position
dreschpe 0:4bbc531be6e2 276 * @param y0 vertical start
dreschpe 0:4bbc531be6e2 277 * @param y1 vertical stop
dreschpe 0:4bbc531be6e2 278 * @param ,1 set pixel ,0 erase pixel
dreschpe 0:4bbc531be6e2 279 */
dreschpe 0:4bbc531be6e2 280 void vline(int y0, int y1, int x, int colour);
dreschpe 0:4bbc531be6e2 281
dreschpe 0:4bbc531be6e2 282 /** Init the C12832 LCD controller
dreschpe 0:4bbc531be6e2 283 *
dreschpe 0:4bbc531be6e2 284 */
dreschpe 0:4bbc531be6e2 285 void lcd_reset();
dreschpe 0:4bbc531be6e2 286
dreschpe 0:4bbc531be6e2 287 /** Write data to the LCD controller
dreschpe 0:4bbc531be6e2 288 *
dreschpe 0:4bbc531be6e2 289 * @param dat data written to LCD controller
dreschpe 0:4bbc531be6e2 290 *
dreschpe 0:4bbc531be6e2 291 */
dreschpe 0:4bbc531be6e2 292 void wr_dat(unsigned char value);
dreschpe 0:4bbc531be6e2 293
dreschpe 0:4bbc531be6e2 294 /** Write a command the LCD controller
dreschpe 0:4bbc531be6e2 295 *
dreschpe 0:4bbc531be6e2 296 * @param cmd: command to be written
dreschpe 0:4bbc531be6e2 297 *
dreschpe 0:4bbc531be6e2 298 */
dreschpe 0:4bbc531be6e2 299 void wr_cmd(unsigned char value);
dreschpe 1:66dd8afbfd06 300
dreschpe 0:4bbc531be6e2 301 void wr_cnt(unsigned char cmd);
dreschpe 0:4bbc531be6e2 302
dreschpe 0:4bbc531be6e2 303 unsigned int orientation;
dreschpe 0:4bbc531be6e2 304 unsigned int char_x;
dreschpe 0:4bbc531be6e2 305 unsigned int char_y;
dreschpe 0:4bbc531be6e2 306 unsigned char buffer[512];
dreschpe 1:66dd8afbfd06 307 unsigned int contrast;
dreschpe 3:468cdccff7af 308 unsigned int auto_up;
dreschpe 0:4bbc531be6e2 309
dreschpe 0:4bbc531be6e2 310 };
dreschpe 0:4bbc531be6e2 311
dreschpe 0:4bbc531be6e2 312
dreschpe 0:4bbc531be6e2 313
dreschpe 0:4bbc531be6e2 314
dreschpe 0:4bbc531be6e2 315 #endif