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Dependencies:   mbed

C12832/C12832.cpp@0:2db056248979, 2017-02-06 (annotated)

Committer:
mexinguer
Date:
Mon Feb 06 14:01:12 2017 +0000
Revision:
0:2db056248979
?-?

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mexinguer 0:2db056248979 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
mexinguer 0:2db056248979 2 * use C12832 controller
mexinguer 0:2db056248979 3 * Copyright (c) 2012 Peter Drescher - DC2PD
mexinguer 0:2db056248979 4 * Released under the MIT License: http://mbed.org/license/mit
mexinguer 0:2db056248979 5 *
mexinguer 0:2db056248979 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mexinguer 0:2db056248979 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mexinguer 0:2db056248979 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mexinguer 0:2db056248979 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mexinguer 0:2db056248979 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mexinguer 0:2db056248979 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mexinguer 0:2db056248979 12 * THE SOFTWARE.
mexinguer 0:2db056248979 13 */
mexinguer 0:2db056248979 14
mexinguer 0:2db056248979 15 // 13.10.12 initial design
mexinguer 0:2db056248979 16 // 25.10.12 add autorefresh of screen
mexinguer 0:2db056248979 17 // 25.10.12 add standart font
mexinguer 0:2db056248979 18 // 20.12.12 add bitmap graphics
mexinguer 0:2db056248979 19
mexinguer 0:2db056248979 20 // optional defines :
mexinguer 0:2db056248979 21 // #define debug_lcd 1
mexinguer 0:2db056248979 22
mexinguer 0:2db056248979 23 #include "C12832.h"
mexinguer 0:2db056248979 24 #include "mbed.h"
mexinguer 0:2db056248979 25 #include "stdio.h"
mexinguer 0:2db056248979 26 #include "Small_7.h"
mexinguer 0:2db056248979 27
mexinguer 0:2db056248979 28 #define BPP 1 // Bits per pixel
mexinguer 0:2db056248979 29
mexinguer 0:2db056248979 30
mexinguer 0:2db056248979 31 C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name)
mexinguer 0:2db056248979 32 : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs),GraphicsDisplay(name)
mexinguer 0:2db056248979 33 {
mexinguer 0:2db056248979 34 orientation = 1;
mexinguer 0:2db056248979 35 draw_mode = NORMAL;
mexinguer 0:2db056248979 36 char_x = 0;
mexinguer 0:2db056248979 37 lcd_reset();
mexinguer 0:2db056248979 38 }
mexinguer 0:2db056248979 39
mexinguer 0:2db056248979 40
mexinguer 0:2db056248979 41 int C12832::width()
mexinguer 0:2db056248979 42 {
mexinguer 0:2db056248979 43 if (orientation == 0 || orientation == 2) return 32;
mexinguer 0:2db056248979 44 else return 128;
mexinguer 0:2db056248979 45 }
mexinguer 0:2db056248979 46
mexinguer 0:2db056248979 47 int C12832::height()
mexinguer 0:2db056248979 48 {
mexinguer 0:2db056248979 49 if (orientation == 0 || orientation == 2) return 128;
mexinguer 0:2db056248979 50 else return 32;
mexinguer 0:2db056248979 51 }
mexinguer 0:2db056248979 52
mexinguer 0:2db056248979 53
mexinguer 0:2db056248979 54 void C12832::invert(unsigned int o)
mexinguer 0:2db056248979 55 {
mexinguer 0:2db056248979 56 if(o == 0) wr_cmd(0xA6);
mexinguer 0:2db056248979 57 else wr_cmd(0xA7);
mexinguer 0:2db056248979 58 }
mexinguer 0:2db056248979 59
mexinguer 0:2db056248979 60
mexinguer 0:2db056248979 61 void C12832::set_contrast(unsigned int o)
mexinguer 0:2db056248979 62 {
mexinguer 0:2db056248979 63 contrast = o;
mexinguer 0:2db056248979 64 wr_cmd(0x81); // set volume
mexinguer 0:2db056248979 65 wr_cmd(o & 0x3F);
mexinguer 0:2db056248979 66 }
mexinguer 0:2db056248979 67
mexinguer 0:2db056248979 68 unsigned int C12832::get_contrast(void)
mexinguer 0:2db056248979 69 {
mexinguer 0:2db056248979 70 return(contrast);
mexinguer 0:2db056248979 71 }
mexinguer 0:2db056248979 72
mexinguer 0:2db056248979 73
mexinguer 0:2db056248979 74 // write command to lcd controller
mexinguer 0:2db056248979 75
mexinguer 0:2db056248979 76 void C12832::wr_cmd(unsigned char cmd)
mexinguer 0:2db056248979 77 {
mexinguer 0:2db056248979 78 _A0 = 0;
mexinguer 0:2db056248979 79 _CS = 0;
mexinguer 0:2db056248979 80 _spi.write(cmd);
mexinguer 0:2db056248979 81 _CS = 1;
mexinguer 0:2db056248979 82 }
mexinguer 0:2db056248979 83
mexinguer 0:2db056248979 84 // write data to lcd controller
mexinguer 0:2db056248979 85
mexinguer 0:2db056248979 86 void C12832::wr_dat(unsigned char dat)
mexinguer 0:2db056248979 87 {
mexinguer 0:2db056248979 88 _A0 = 1;
mexinguer 0:2db056248979 89 _CS = 0;
mexinguer 0:2db056248979 90 _spi.write(dat);
mexinguer 0:2db056248979 91 _CS = 1;
mexinguer 0:2db056248979 92 }
mexinguer 0:2db056248979 93
mexinguer 0:2db056248979 94 // reset and init the lcd controller
mexinguer 0:2db056248979 95
mexinguer 0:2db056248979 96 void C12832::lcd_reset()
mexinguer 0:2db056248979 97 {
mexinguer 0:2db056248979 98
mexinguer 0:2db056248979 99 _spi.format(8,3); // 8 bit spi mode 3
mexinguer 0:2db056248979 100 _spi.frequency(20000000); // 19,2 Mhz SPI clock
mexinguer 0:2db056248979 101 _A0 = 0;
mexinguer 0:2db056248979 102 _CS = 1;
mexinguer 0:2db056248979 103 _reset = 0; // display reset
mexinguer 0:2db056248979 104 wait_us(50);
mexinguer 0:2db056248979 105 _reset = 1; // end reset
mexinguer 0:2db056248979 106 wait_ms(5);
mexinguer 0:2db056248979 107
mexinguer 0:2db056248979 108 /* Start Initial Sequence ----------------------------------------------------*/
mexinguer 0:2db056248979 109
mexinguer 0:2db056248979 110 wr_cmd(0xAE); // display off
mexinguer 0:2db056248979 111 wr_cmd(0xA2); // bias voltage
mexinguer 0:2db056248979 112
mexinguer 0:2db056248979 113 wr_cmd(0xA0);
mexinguer 0:2db056248979 114 wr_cmd(0xC8); // colum normal
mexinguer 0:2db056248979 115
mexinguer 0:2db056248979 116 wr_cmd(0x22); // voltage resistor ratio
mexinguer 0:2db056248979 117 wr_cmd(0x2F); // power on
mexinguer 0:2db056248979 118 //wr_cmd(0xA4); // LCD display ram
mexinguer 0:2db056248979 119 wr_cmd(0x40); // start line = 0
mexinguer 0:2db056248979 120 wr_cmd(0xAF); // display ON
mexinguer 0:2db056248979 121
mexinguer 0:2db056248979 122 wr_cmd(0x81); // set contrast
mexinguer 0:2db056248979 123 wr_cmd(0x17); // set contrast
mexinguer 0:2db056248979 124
mexinguer 0:2db056248979 125 wr_cmd(0xA6); // display normal
mexinguer 0:2db056248979 126
mexinguer 0:2db056248979 127
mexinguer 0:2db056248979 128 // clear and update LCD
mexinguer 0:2db056248979 129 memset(buffer,0x00,512); // clear display buffer
mexinguer 0:2db056248979 130 copy_to_lcd();
mexinguer 0:2db056248979 131 auto_up = 1; // switch on auto update
mexinguer 0:2db056248979 132 // dont do this by default. Make the user call
mexinguer 0:2db056248979 133 //claim(stdout); // redirekt printf to lcd
mexinguer 0:2db056248979 134 locate(0,0);
mexinguer 0:2db056248979 135 set_font((unsigned char*)Small_7); // standart font
mexinguer 0:2db056248979 136 }
mexinguer 0:2db056248979 137
mexinguer 0:2db056248979 138 // set one pixel in buffer
mexinguer 0:2db056248979 139
mexinguer 0:2db056248979 140 void C12832::pixel(int x, int y, int color)
mexinguer 0:2db056248979 141 {
mexinguer 0:2db056248979 142 // first check parameter
mexinguer 0:2db056248979 143 if(x > 128 || y > 32 || x < 0 || y < 0) return;
mexinguer 0:2db056248979 144
mexinguer 0:2db056248979 145 if(draw_mode == NORMAL) {
mexinguer 0:2db056248979 146 if(color == 0)
mexinguer 0:2db056248979 147 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
mexinguer 0:2db056248979 148 else
mexinguer 0:2db056248979 149 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
mexinguer 0:2db056248979 150 } else { // XOR mode
mexinguer 0:2db056248979 151 if(color == 1)
mexinguer 0:2db056248979 152 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
mexinguer 0:2db056248979 153 }
mexinguer 0:2db056248979 154 }
mexinguer 0:2db056248979 155
mexinguer 0:2db056248979 156 // update lcd
mexinguer 0:2db056248979 157
mexinguer 0:2db056248979 158 void C12832::copy_to_lcd(void)
mexinguer 0:2db056248979 159 {
mexinguer 0:2db056248979 160
mexinguer 0:2db056248979 161 int i=0;
mexinguer 0:2db056248979 162
mexinguer 0:2db056248979 163 //page 0
mexinguer 0:2db056248979 164 wr_cmd(0x00); // set column low nibble 0
mexinguer 0:2db056248979 165 wr_cmd(0x10); // set column hi nibble 0
mexinguer 0:2db056248979 166 wr_cmd(0xB0); // set page address 0
mexinguer 0:2db056248979 167 _A0 = 1;
mexinguer 0:2db056248979 168 for(i=0; i<128; i++) {
mexinguer 0:2db056248979 169 wr_dat(buffer[i]);
mexinguer 0:2db056248979 170 }
mexinguer 0:2db056248979 171
mexinguer 0:2db056248979 172 // page 1
mexinguer 0:2db056248979 173 wr_cmd(0x00); // set column low nibble 0
mexinguer 0:2db056248979 174 wr_cmd(0x10); // set column hi nibble 0
mexinguer 0:2db056248979 175 wr_cmd(0xB1); // set page address 1
mexinguer 0:2db056248979 176 _A0 = 1;
mexinguer 0:2db056248979 177 for(i=128; i<256; i++) {
mexinguer 0:2db056248979 178 wr_dat(buffer[i]);
mexinguer 0:2db056248979 179 }
mexinguer 0:2db056248979 180
mexinguer 0:2db056248979 181 //page 2
mexinguer 0:2db056248979 182 wr_cmd(0x00); // set column low nibble 0
mexinguer 0:2db056248979 183 wr_cmd(0x10); // set column hi nibble 0
mexinguer 0:2db056248979 184 wr_cmd(0xB2); // set page address 2
mexinguer 0:2db056248979 185 _A0 = 1;
mexinguer 0:2db056248979 186 for(i=256; i<384; i++) {
mexinguer 0:2db056248979 187 wr_dat(buffer[i]);
mexinguer 0:2db056248979 188 }
mexinguer 0:2db056248979 189
mexinguer 0:2db056248979 190 //page 3
mexinguer 0:2db056248979 191 wr_cmd(0x00); // set column low nibble 0
mexinguer 0:2db056248979 192 wr_cmd(0x10); // set column hi nibble 0
mexinguer 0:2db056248979 193 wr_cmd(0xB3); // set page address 3
mexinguer 0:2db056248979 194 _A0 = 1;
mexinguer 0:2db056248979 195
mexinguer 0:2db056248979 196 _CS = 0;
mexinguer 0:2db056248979 197
mexinguer 0:2db056248979 198 for(i=384; i<512; i++) {
mexinguer 0:2db056248979 199 wr_dat(buffer[i]);
mexinguer 0:2db056248979 200 }
mexinguer 0:2db056248979 201
mexinguer 0:2db056248979 202 }
mexinguer 0:2db056248979 203
mexinguer 0:2db056248979 204 void C12832::cls(void)
mexinguer 0:2db056248979 205 {
mexinguer 0:2db056248979 206 memset(buffer,0x00,512); // clear display buffer
mexinguer 0:2db056248979 207 copy_to_lcd();
mexinguer 0:2db056248979 208 }
mexinguer 0:2db056248979 209
mexinguer 0:2db056248979 210
mexinguer 0:2db056248979 211 void C12832::line(int x0, int y0, int x1, int y1, int color)
mexinguer 0:2db056248979 212 {
mexinguer 0:2db056248979 213 int dx = 0, dy = 0;
mexinguer 0:2db056248979 214 int dx_sym = 0, dy_sym = 0;
mexinguer 0:2db056248979 215 int dx_x2 = 0, dy_x2 = 0;
mexinguer 0:2db056248979 216 int di = 0;
mexinguer 0:2db056248979 217
mexinguer 0:2db056248979 218 dx = x1-x0;
mexinguer 0:2db056248979 219 dy = y1-y0;
mexinguer 0:2db056248979 220
mexinguer 0:2db056248979 221 // if (dx == 0) { /* vertical line */
mexinguer 0:2db056248979 222 // if (y1 > y0) vline(x0,y0,y1,color);
mexinguer 0:2db056248979 223 // else vline(x0,y1,y0,color);
mexinguer 0:2db056248979 224 // return;
mexinguer 0:2db056248979 225 // }
mexinguer 0:2db056248979 226
mexinguer 0:2db056248979 227 if (dx > 0) {
mexinguer 0:2db056248979 228 dx_sym = 1;
mexinguer 0:2db056248979 229 } else {
mexinguer 0:2db056248979 230 dx_sym = -1;
mexinguer 0:2db056248979 231 }
mexinguer 0:2db056248979 232 // if (dy == 0) { /* horizontal line */
mexinguer 0:2db056248979 233 // if (x1 > x0) hline(x0,x1,y0,color);
mexinguer 0:2db056248979 234 // else hline(x1,x0,y0,color);
mexinguer 0:2db056248979 235 // return;
mexinguer 0:2db056248979 236 // }
mexinguer 0:2db056248979 237
mexinguer 0:2db056248979 238 if (dy > 0) {
mexinguer 0:2db056248979 239 dy_sym = 1;
mexinguer 0:2db056248979 240 } else {
mexinguer 0:2db056248979 241 dy_sym = -1;
mexinguer 0:2db056248979 242 }
mexinguer 0:2db056248979 243
mexinguer 0:2db056248979 244 dx = dx_sym*dx;
mexinguer 0:2db056248979 245 dy = dy_sym*dy;
mexinguer 0:2db056248979 246
mexinguer 0:2db056248979 247 dx_x2 = dx*2;
mexinguer 0:2db056248979 248 dy_x2 = dy*2;
mexinguer 0:2db056248979 249
mexinguer 0:2db056248979 250 if (dx >= dy) {
mexinguer 0:2db056248979 251 di = dy_x2 - dx;
mexinguer 0:2db056248979 252 while (x0 != x1) {
mexinguer 0:2db056248979 253
mexinguer 0:2db056248979 254 pixel(x0, y0, color);
mexinguer 0:2db056248979 255 x0 += dx_sym;
mexinguer 0:2db056248979 256 if (di<0) {
mexinguer 0:2db056248979 257 di += dy_x2;
mexinguer 0:2db056248979 258 } else {
mexinguer 0:2db056248979 259 di += dy_x2 - dx_x2;
mexinguer 0:2db056248979 260 y0 += dy_sym;
mexinguer 0:2db056248979 261 }
mexinguer 0:2db056248979 262 }
mexinguer 0:2db056248979 263 pixel(x0, y0, color);
mexinguer 0:2db056248979 264 } else {
mexinguer 0:2db056248979 265 di = dx_x2 - dy;
mexinguer 0:2db056248979 266 while (y0 != y1) {
mexinguer 0:2db056248979 267 pixel(x0, y0, color);
mexinguer 0:2db056248979 268 y0 += dy_sym;
mexinguer 0:2db056248979 269 if (di < 0) {
mexinguer 0:2db056248979 270 di += dx_x2;
mexinguer 0:2db056248979 271 } else {
mexinguer 0:2db056248979 272 di += dx_x2 - dy_x2;
mexinguer 0:2db056248979 273 x0 += dx_sym;
mexinguer 0:2db056248979 274 }
mexinguer 0:2db056248979 275 }
mexinguer 0:2db056248979 276 pixel(x0, y0, color);
mexinguer 0:2db056248979 277 }
mexinguer 0:2db056248979 278 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 279 }
mexinguer 0:2db056248979 280
mexinguer 0:2db056248979 281 void C12832::rect(int x0, int y0, int x1, int y1, int color)
mexinguer 0:2db056248979 282 {
mexinguer 0:2db056248979 283
mexinguer 0:2db056248979 284 if (x1 > x0) line(x0,y0,x1,y0,color);
mexinguer 0:2db056248979 285 else line(x1,y0,x0,y0,color);
mexinguer 0:2db056248979 286
mexinguer 0:2db056248979 287 if (y1 > y0) line(x0,y0,x0,y1,color);
mexinguer 0:2db056248979 288 else line(x0,y1,x0,y0,color);
mexinguer 0:2db056248979 289
mexinguer 0:2db056248979 290 if (x1 > x0) line(x0,y1,x1,y1,color);
mexinguer 0:2db056248979 291 else line(x1,y1,x0,y1,color);
mexinguer 0:2db056248979 292
mexinguer 0:2db056248979 293 if (y1 > y0) line(x1,y0,x1,y1,color);
mexinguer 0:2db056248979 294 else line(x1,y1,x1,y0,color);
mexinguer 0:2db056248979 295
mexinguer 0:2db056248979 296 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 297 }
mexinguer 0:2db056248979 298
mexinguer 0:2db056248979 299 void C12832::fillrect(int x0, int y0, int x1, int y1, int color)
mexinguer 0:2db056248979 300 {
mexinguer 0:2db056248979 301 int l,c,i;
mexinguer 0:2db056248979 302 if(x0 > x1) {
mexinguer 0:2db056248979 303 i = x0;
mexinguer 0:2db056248979 304 x0 = x1;
mexinguer 0:2db056248979 305 x1 = i;
mexinguer 0:2db056248979 306 }
mexinguer 0:2db056248979 307
mexinguer 0:2db056248979 308 if(y0 > y1) {
mexinguer 0:2db056248979 309 i = y0;
mexinguer 0:2db056248979 310 y0 = y1;
mexinguer 0:2db056248979 311 y1 = i;
mexinguer 0:2db056248979 312 }
mexinguer 0:2db056248979 313
mexinguer 0:2db056248979 314 for(l = x0; l<= x1; l ++) {
mexinguer 0:2db056248979 315 for(c = y0; c<= y1; c++) {
mexinguer 0:2db056248979 316 pixel(l,c,color);
mexinguer 0:2db056248979 317 }
mexinguer 0:2db056248979 318 }
mexinguer 0:2db056248979 319 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 320 }
mexinguer 0:2db056248979 321
mexinguer 0:2db056248979 322
mexinguer 0:2db056248979 323
mexinguer 0:2db056248979 324 void C12832::circle(int x0, int y0, int r, int color)
mexinguer 0:2db056248979 325 {
mexinguer 0:2db056248979 326
mexinguer 0:2db056248979 327 int draw_x0, draw_y0;
mexinguer 0:2db056248979 328 int draw_x1, draw_y1;
mexinguer 0:2db056248979 329 int draw_x2, draw_y2;
mexinguer 0:2db056248979 330 int draw_x3, draw_y3;
mexinguer 0:2db056248979 331 int draw_x4, draw_y4;
mexinguer 0:2db056248979 332 int draw_x5, draw_y5;
mexinguer 0:2db056248979 333 int draw_x6, draw_y6;
mexinguer 0:2db056248979 334 int draw_x7, draw_y7;
mexinguer 0:2db056248979 335 int xx, yy;
mexinguer 0:2db056248979 336 int di;
mexinguer 0:2db056248979 337 //WindowMax();
mexinguer 0:2db056248979 338 if (r == 0) { /* no radius */
mexinguer 0:2db056248979 339 return;
mexinguer 0:2db056248979 340 }
mexinguer 0:2db056248979 341
mexinguer 0:2db056248979 342 draw_x0 = draw_x1 = x0;
mexinguer 0:2db056248979 343 draw_y0 = draw_y1 = y0 + r;
mexinguer 0:2db056248979 344 if (draw_y0 < height()) {
mexinguer 0:2db056248979 345 pixel(draw_x0, draw_y0, color); /* 90 degree */
mexinguer 0:2db056248979 346 }
mexinguer 0:2db056248979 347
mexinguer 0:2db056248979 348 draw_x2 = draw_x3 = x0;
mexinguer 0:2db056248979 349 draw_y2 = draw_y3 = y0 - r;
mexinguer 0:2db056248979 350 if (draw_y2 >= 0) {
mexinguer 0:2db056248979 351 pixel(draw_x2, draw_y2, color); /* 270 degree */
mexinguer 0:2db056248979 352 }
mexinguer 0:2db056248979 353
mexinguer 0:2db056248979 354 draw_x4 = draw_x6 = x0 + r;
mexinguer 0:2db056248979 355 draw_y4 = draw_y6 = y0;
mexinguer 0:2db056248979 356 if (draw_x4 < width()) {
mexinguer 0:2db056248979 357 pixel(draw_x4, draw_y4, color); /* 0 degree */
mexinguer 0:2db056248979 358 }
mexinguer 0:2db056248979 359
mexinguer 0:2db056248979 360 draw_x5 = draw_x7 = x0 - r;
mexinguer 0:2db056248979 361 draw_y5 = draw_y7 = y0;
mexinguer 0:2db056248979 362 if (draw_x5>=0) {
mexinguer 0:2db056248979 363 pixel(draw_x5, draw_y5, color); /* 180 degree */
mexinguer 0:2db056248979 364 }
mexinguer 0:2db056248979 365
mexinguer 0:2db056248979 366 if (r == 1) {
mexinguer 0:2db056248979 367 return;
mexinguer 0:2db056248979 368 }
mexinguer 0:2db056248979 369
mexinguer 0:2db056248979 370 di = 3 - 2*r;
mexinguer 0:2db056248979 371 xx = 0;
mexinguer 0:2db056248979 372 yy = r;
mexinguer 0:2db056248979 373 while (xx < yy) {
mexinguer 0:2db056248979 374
mexinguer 0:2db056248979 375 if (di < 0) {
mexinguer 0:2db056248979 376 di += 4*xx + 6;
mexinguer 0:2db056248979 377 } else {
mexinguer 0:2db056248979 378 di += 4*(xx - yy) + 10;
mexinguer 0:2db056248979 379 yy--;
mexinguer 0:2db056248979 380 draw_y0--;
mexinguer 0:2db056248979 381 draw_y1--;
mexinguer 0:2db056248979 382 draw_y2++;
mexinguer 0:2db056248979 383 draw_y3++;
mexinguer 0:2db056248979 384 draw_x4--;
mexinguer 0:2db056248979 385 draw_x5++;
mexinguer 0:2db056248979 386 draw_x6--;
mexinguer 0:2db056248979 387 draw_x7++;
mexinguer 0:2db056248979 388 }
mexinguer 0:2db056248979 389 xx++;
mexinguer 0:2db056248979 390 draw_x0++;
mexinguer 0:2db056248979 391 draw_x1--;
mexinguer 0:2db056248979 392 draw_x2++;
mexinguer 0:2db056248979 393 draw_x3--;
mexinguer 0:2db056248979 394 draw_y4++;
mexinguer 0:2db056248979 395 draw_y5++;
mexinguer 0:2db056248979 396 draw_y6--;
mexinguer 0:2db056248979 397 draw_y7--;
mexinguer 0:2db056248979 398
mexinguer 0:2db056248979 399 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
mexinguer 0:2db056248979 400 pixel(draw_x0, draw_y0, color);
mexinguer 0:2db056248979 401 }
mexinguer 0:2db056248979 402
mexinguer 0:2db056248979 403 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
mexinguer 0:2db056248979 404 pixel(draw_x1, draw_y1, color);
mexinguer 0:2db056248979 405 }
mexinguer 0:2db056248979 406
mexinguer 0:2db056248979 407 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
mexinguer 0:2db056248979 408 pixel(draw_x2, draw_y2, color);
mexinguer 0:2db056248979 409 }
mexinguer 0:2db056248979 410
mexinguer 0:2db056248979 411 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
mexinguer 0:2db056248979 412 pixel(draw_x3, draw_y3, color);
mexinguer 0:2db056248979 413 }
mexinguer 0:2db056248979 414
mexinguer 0:2db056248979 415 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
mexinguer 0:2db056248979 416 pixel(draw_x4, draw_y4, color);
mexinguer 0:2db056248979 417 }
mexinguer 0:2db056248979 418
mexinguer 0:2db056248979 419 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
mexinguer 0:2db056248979 420 pixel(draw_x5, draw_y5, color);
mexinguer 0:2db056248979 421 }
mexinguer 0:2db056248979 422 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
mexinguer 0:2db056248979 423 pixel(draw_x6, draw_y6, color);
mexinguer 0:2db056248979 424 }
mexinguer 0:2db056248979 425 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
mexinguer 0:2db056248979 426 pixel(draw_x7, draw_y7, color);
mexinguer 0:2db056248979 427 }
mexinguer 0:2db056248979 428 }
mexinguer 0:2db056248979 429 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 430 }
mexinguer 0:2db056248979 431
mexinguer 0:2db056248979 432 void C12832::fillcircle(int x, int y, int r, int color)
mexinguer 0:2db056248979 433 {
mexinguer 0:2db056248979 434 int i,up;
mexinguer 0:2db056248979 435 up = auto_up;
mexinguer 0:2db056248979 436 auto_up = 0; // off
mexinguer 0:2db056248979 437 for (i = 0; i <= r; i++)
mexinguer 0:2db056248979 438 circle(x,y,i,color);
mexinguer 0:2db056248979 439 auto_up = up;
mexinguer 0:2db056248979 440 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 441 }
mexinguer 0:2db056248979 442
mexinguer 0:2db056248979 443 void C12832::setmode(int mode)
mexinguer 0:2db056248979 444 {
mexinguer 0:2db056248979 445 draw_mode = mode;
mexinguer 0:2db056248979 446 }
mexinguer 0:2db056248979 447
mexinguer 0:2db056248979 448 void C12832::locate(int x, int y)
mexinguer 0:2db056248979 449 {
mexinguer 0:2db056248979 450 char_x = x;
mexinguer 0:2db056248979 451 char_y = y;
mexinguer 0:2db056248979 452 }
mexinguer 0:2db056248979 453
mexinguer 0:2db056248979 454
mexinguer 0:2db056248979 455
mexinguer 0:2db056248979 456 int C12832::columns()
mexinguer 0:2db056248979 457 {
mexinguer 0:2db056248979 458 return width() / font[1];
mexinguer 0:2db056248979 459 }
mexinguer 0:2db056248979 460
mexinguer 0:2db056248979 461
mexinguer 0:2db056248979 462
mexinguer 0:2db056248979 463 int C12832::rows()
mexinguer 0:2db056248979 464 {
mexinguer 0:2db056248979 465 return height() / font[2];
mexinguer 0:2db056248979 466 }
mexinguer 0:2db056248979 467
mexinguer 0:2db056248979 468
mexinguer 0:2db056248979 469
mexinguer 0:2db056248979 470 int C12832::_putc(int value)
mexinguer 0:2db056248979 471 {
mexinguer 0:2db056248979 472 if (value == '\n') { // new line
mexinguer 0:2db056248979 473 char_x = 0;
mexinguer 0:2db056248979 474 char_y = char_y + font[2];
mexinguer 0:2db056248979 475 if (char_y >= height() - font[2]) {
mexinguer 0:2db056248979 476 char_y = 0;
mexinguer 0:2db056248979 477 }
mexinguer 0:2db056248979 478 } else {
mexinguer 0:2db056248979 479 character(char_x, char_y, value);
mexinguer 0:2db056248979 480 if(auto_up) copy_to_lcd();
mexinguer 0:2db056248979 481 }
mexinguer 0:2db056248979 482 return value;
mexinguer 0:2db056248979 483 }
mexinguer 0:2db056248979 484
mexinguer 0:2db056248979 485 void C12832::character(int x, int y, int c)
mexinguer 0:2db056248979 486 {
mexinguer 0:2db056248979 487 unsigned int hor,vert,offset,bpl,j,i,b;
mexinguer 0:2db056248979 488 unsigned char* zeichen;
mexinguer 0:2db056248979 489 unsigned char z,w;
mexinguer 0:2db056248979 490
mexinguer 0:2db056248979 491 if ((c < 31) || (c > 127)) return; // test char range
mexinguer 0:2db056248979 492
mexinguer 0:2db056248979 493 // read font parameter from start of array
mexinguer 0:2db056248979 494 offset = font[0]; // bytes / char
mexinguer 0:2db056248979 495 hor = font[1]; // get hor size of font
mexinguer 0:2db056248979 496 vert = font[2]; // get vert size of font
mexinguer 0:2db056248979 497 bpl = font[3]; // bytes per line
mexinguer 0:2db056248979 498
mexinguer 0:2db056248979 499 if (char_x + hor > width()) {
mexinguer 0:2db056248979 500 char_x = 0;
mexinguer 0:2db056248979 501 char_y = char_y + vert;
mexinguer 0:2db056248979 502 if (char_y >= height() - font[2]) {
mexinguer 0:2db056248979 503 char_y = 0;
mexinguer 0:2db056248979 504 }
mexinguer 0:2db056248979 505 }
mexinguer 0:2db056248979 506
mexinguer 0:2db056248979 507 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
mexinguer 0:2db056248979 508 w = zeichen[0]; // width of actual char
mexinguer 0:2db056248979 509 // construct the char into the buffer
mexinguer 0:2db056248979 510 for (j=0; j<vert; j++) { // vert line
mexinguer 0:2db056248979 511 for (i=0; i<hor; i++) { // horz line
mexinguer 0:2db056248979 512 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
mexinguer 0:2db056248979 513 b = 1 << (j & 0x07);
mexinguer 0:2db056248979 514 if (( z & b ) == 0x00) {
mexinguer 0:2db056248979 515 pixel(x+i,y+j,0);
mexinguer 0:2db056248979 516 } else {
mexinguer 0:2db056248979 517 pixel(x+i,y+j,1);
mexinguer 0:2db056248979 518 }
mexinguer 0:2db056248979 519
mexinguer 0:2db056248979 520 }
mexinguer 0:2db056248979 521 }
mexinguer 0:2db056248979 522
mexinguer 0:2db056248979 523 char_x += w;
mexinguer 0:2db056248979 524 }
mexinguer 0:2db056248979 525
mexinguer 0:2db056248979 526
mexinguer 0:2db056248979 527 void C12832::set_font(unsigned char* f)
mexinguer 0:2db056248979 528 {
mexinguer 0:2db056248979 529 font = f;
mexinguer 0:2db056248979 530 }
mexinguer 0:2db056248979 531
mexinguer 0:2db056248979 532 void C12832::set_auto_up(unsigned int up)
mexinguer 0:2db056248979 533 {
mexinguer 0:2db056248979 534 if(up ) auto_up = 1;
mexinguer 0:2db056248979 535 else auto_up = 0;
mexinguer 0:2db056248979 536 }
mexinguer 0:2db056248979 537
mexinguer 0:2db056248979 538 unsigned int C12832::get_auto_up(void)
mexinguer 0:2db056248979 539 {
mexinguer 0:2db056248979 540 return (auto_up);
mexinguer 0:2db056248979 541 }
mexinguer 0:2db056248979 542
mexinguer 0:2db056248979 543 void C12832::print_bm(Bitmap bm, int x, int y)
mexinguer 0:2db056248979 544 {
mexinguer 0:2db056248979 545 int h,v,b;
mexinguer 0:2db056248979 546 char d;
mexinguer 0:2db056248979 547
mexinguer 0:2db056248979 548 for(v=0; v < bm.ySize; v++) { // lines
mexinguer 0:2db056248979 549 for(h=0; h < bm.xSize; h++) { // pixel
mexinguer 0:2db056248979 550 if(h + x > 127) break;
mexinguer 0:2db056248979 551 if(v + y > 31) break;
mexinguer 0:2db056248979 552 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
mexinguer 0:2db056248979 553 b = 0x80 >> (h & 0x07);
mexinguer 0:2db056248979 554 if((d & b) == 0) {
mexinguer 0:2db056248979 555 pixel(x+h,y+v,0);
mexinguer 0:2db056248979 556 } else {
mexinguer 0:2db056248979 557 pixel(x+h,y+v,1);
mexinguer 0:2db056248979 558 }
mexinguer 0:2db056248979 559 }
mexinguer 0:2db056248979 560 }
mexinguer 0:2db056248979 561
mexinguer 0:2db056248979 562 }
mexinguer 0:2db056248979 563
mexinguer 0:2db056248979 564