Martin Werluschnig / Mbed 2 deprecated TINF_GrenzwertUeberwachnug

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Dependencies:   mbed

C12832.cpp@0:2f77ffaa208d, 2018-11-15 (annotated)

Committer:
martwerl
Date:
Thu Nov 15 18:16:10 2018 +0000
Revision:
0:2f77ffaa208d
TINF_GrenzwertUeberwachnug

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martwerl 0:2f77ffaa208d 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
martwerl 0:2f77ffaa208d 2 * use C12832 controller
martwerl 0:2f77ffaa208d 3 * Copyright (c) 2012 Peter Drescher - DC2PD
martwerl 0:2f77ffaa208d 4 * Released under the MIT License: http://mbed.org/license/mit
martwerl 0:2f77ffaa208d 5 *
martwerl 0:2f77ffaa208d 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
martwerl 0:2f77ffaa208d 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
martwerl 0:2f77ffaa208d 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
martwerl 0:2f77ffaa208d 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
martwerl 0:2f77ffaa208d 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
martwerl 0:2f77ffaa208d 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
martwerl 0:2f77ffaa208d 12 * THE SOFTWARE.
martwerl 0:2f77ffaa208d 13 */
martwerl 0:2f77ffaa208d 14
martwerl 0:2f77ffaa208d 15 // 13.10.12 initial design
martwerl 0:2f77ffaa208d 16 // 25.10.12 add autorefresh of screen
martwerl 0:2f77ffaa208d 17 // 25.10.12 add standart font
martwerl 0:2f77ffaa208d 18 // 20.12.12 add bitmap graphics
martwerl 0:2f77ffaa208d 19
martwerl 0:2f77ffaa208d 20 // optional defines :
martwerl 0:2f77ffaa208d 21 // #define debug_lcd 1
martwerl 0:2f77ffaa208d 22
martwerl 0:2f77ffaa208d 23 #include "C12832.h"
martwerl 0:2f77ffaa208d 24 #include "mbed.h"
martwerl 0:2f77ffaa208d 25 #include "stdio.h"
martwerl 0:2f77ffaa208d 26 #include "Small_7.h"
martwerl 0:2f77ffaa208d 27
martwerl 0:2f77ffaa208d 28 #define BPP 1 // Bits per pixel
martwerl 0:2f77ffaa208d 29
martwerl 0:2f77ffaa208d 30
martwerl 0:2f77ffaa208d 31 C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name)
martwerl 0:2f77ffaa208d 32 : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs),GraphicsDisplay(name)
martwerl 0:2f77ffaa208d 33 {
martwerl 0:2f77ffaa208d 34 orientation = 1;
martwerl 0:2f77ffaa208d 35 draw_mode = NORMAL;
martwerl 0:2f77ffaa208d 36 char_x = 0;
martwerl 0:2f77ffaa208d 37 lcd_reset();
martwerl 0:2f77ffaa208d 38 }
martwerl 0:2f77ffaa208d 39
martwerl 0:2f77ffaa208d 40
martwerl 0:2f77ffaa208d 41 int C12832::width()
martwerl 0:2f77ffaa208d 42 {
martwerl 0:2f77ffaa208d 43 if (orientation == 0 || orientation == 2) return 32;
martwerl 0:2f77ffaa208d 44 else return 128;
martwerl 0:2f77ffaa208d 45 }
martwerl 0:2f77ffaa208d 46
martwerl 0:2f77ffaa208d 47 int C12832::height()
martwerl 0:2f77ffaa208d 48 {
martwerl 0:2f77ffaa208d 49 if (orientation == 0 || orientation == 2) return 128;
martwerl 0:2f77ffaa208d 50 else return 32;
martwerl 0:2f77ffaa208d 51 }
martwerl 0:2f77ffaa208d 52
martwerl 0:2f77ffaa208d 53
martwerl 0:2f77ffaa208d 54 void C12832::invert(unsigned int o)
martwerl 0:2f77ffaa208d 55 {
martwerl 0:2f77ffaa208d 56 if(o == 0) wr_cmd(0xA6);
martwerl 0:2f77ffaa208d 57 else wr_cmd(0xA7);
martwerl 0:2f77ffaa208d 58 }
martwerl 0:2f77ffaa208d 59
martwerl 0:2f77ffaa208d 60
martwerl 0:2f77ffaa208d 61 void C12832::set_contrast(unsigned int o)
martwerl 0:2f77ffaa208d 62 {
martwerl 0:2f77ffaa208d 63 contrast = o;
martwerl 0:2f77ffaa208d 64 wr_cmd(0x81); // set volume
martwerl 0:2f77ffaa208d 65 wr_cmd(o & 0x3F);
martwerl 0:2f77ffaa208d 66 }
martwerl 0:2f77ffaa208d 67
martwerl 0:2f77ffaa208d 68 unsigned int C12832::get_contrast(void)
martwerl 0:2f77ffaa208d 69 {
martwerl 0:2f77ffaa208d 70 return(contrast);
martwerl 0:2f77ffaa208d 71 }
martwerl 0:2f77ffaa208d 72
martwerl 0:2f77ffaa208d 73
martwerl 0:2f77ffaa208d 74 // write command to lcd controller
martwerl 0:2f77ffaa208d 75
martwerl 0:2f77ffaa208d 76 void C12832::wr_cmd(unsigned char cmd)
martwerl 0:2f77ffaa208d 77 {
martwerl 0:2f77ffaa208d 78 _A0 = 0;
martwerl 0:2f77ffaa208d 79 _CS = 0;
martwerl 0:2f77ffaa208d 80 _spi.write(cmd);
martwerl 0:2f77ffaa208d 81 _CS = 1;
martwerl 0:2f77ffaa208d 82 }
martwerl 0:2f77ffaa208d 83
martwerl 0:2f77ffaa208d 84 // write data to lcd controller
martwerl 0:2f77ffaa208d 85
martwerl 0:2f77ffaa208d 86 void C12832::wr_dat(unsigned char dat)
martwerl 0:2f77ffaa208d 87 {
martwerl 0:2f77ffaa208d 88 _A0 = 1;
martwerl 0:2f77ffaa208d 89 _CS = 0;
martwerl 0:2f77ffaa208d 90 _spi.write(dat);
martwerl 0:2f77ffaa208d 91 _CS = 1;
martwerl 0:2f77ffaa208d 92 }
martwerl 0:2f77ffaa208d 93
martwerl 0:2f77ffaa208d 94 // reset and init the lcd controller
martwerl 0:2f77ffaa208d 95
martwerl 0:2f77ffaa208d 96 void C12832::lcd_reset()
martwerl 0:2f77ffaa208d 97 {
martwerl 0:2f77ffaa208d 98
martwerl 0:2f77ffaa208d 99 _spi.format(8,3); // 8 bit spi mode 3
martwerl 0:2f77ffaa208d 100 _spi.frequency(20000000); // 19,2 Mhz SPI clock
martwerl 0:2f77ffaa208d 101 _A0 = 0;
martwerl 0:2f77ffaa208d 102 _CS = 1;
martwerl 0:2f77ffaa208d 103 _reset = 0; // display reset
martwerl 0:2f77ffaa208d 104 wait_us(50);
martwerl 0:2f77ffaa208d 105 _reset = 1; // end reset
martwerl 0:2f77ffaa208d 106 wait_ms(5);
martwerl 0:2f77ffaa208d 107
martwerl 0:2f77ffaa208d 108 /* Start Initial Sequence ----------------------------------------------------*/
martwerl 0:2f77ffaa208d 109
martwerl 0:2f77ffaa208d 110 wr_cmd(0xAE); // display off
martwerl 0:2f77ffaa208d 111 wr_cmd(0xA2); // bias voltage
martwerl 0:2f77ffaa208d 112
martwerl 0:2f77ffaa208d 113 wr_cmd(0xA0);
martwerl 0:2f77ffaa208d 114 wr_cmd(0xC8); // colum normal
martwerl 0:2f77ffaa208d 115
martwerl 0:2f77ffaa208d 116 wr_cmd(0x22); // voltage resistor ratio
martwerl 0:2f77ffaa208d 117 wr_cmd(0x2F); // power on
martwerl 0:2f77ffaa208d 118 //wr_cmd(0xA4); // LCD display ram
martwerl 0:2f77ffaa208d 119 wr_cmd(0x40); // start line = 0
martwerl 0:2f77ffaa208d 120 wr_cmd(0xAF); // display ON
martwerl 0:2f77ffaa208d 121
martwerl 0:2f77ffaa208d 122 wr_cmd(0x81); // set contrast
martwerl 0:2f77ffaa208d 123 wr_cmd(0x17); // set contrast
martwerl 0:2f77ffaa208d 124
martwerl 0:2f77ffaa208d 125 wr_cmd(0xA6); // display normal
martwerl 0:2f77ffaa208d 126
martwerl 0:2f77ffaa208d 127
martwerl 0:2f77ffaa208d 128 // clear and update LCD
martwerl 0:2f77ffaa208d 129 memset(buffer,0x00,512); // clear display buffer
martwerl 0:2f77ffaa208d 130 copy_to_lcd();
martwerl 0:2f77ffaa208d 131 auto_up = 1; // switch on auto update
martwerl 0:2f77ffaa208d 132 // dont do this by default. Make the user call
martwerl 0:2f77ffaa208d 133 //claim(stdout); // redirekt printf to lcd
martwerl 0:2f77ffaa208d 134 locate(0,0);
martwerl 0:2f77ffaa208d 135 set_font((unsigned char*)Small_7); // standart font
martwerl 0:2f77ffaa208d 136 }
martwerl 0:2f77ffaa208d 137
martwerl 0:2f77ffaa208d 138 // set one pixel in buffer
martwerl 0:2f77ffaa208d 139
martwerl 0:2f77ffaa208d 140 void C12832::pixel(int x, int y, int color)
martwerl 0:2f77ffaa208d 141 {
martwerl 0:2f77ffaa208d 142 // first check parameter
martwerl 0:2f77ffaa208d 143 if(x > 128 || y > 32 || x < 0 || y < 0) return;
martwerl 0:2f77ffaa208d 144
martwerl 0:2f77ffaa208d 145 if(draw_mode == NORMAL) {
martwerl 0:2f77ffaa208d 146 if(color == 0)
martwerl 0:2f77ffaa208d 147 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
martwerl 0:2f77ffaa208d 148 else
martwerl 0:2f77ffaa208d 149 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
martwerl 0:2f77ffaa208d 150 } else { // XOR mode
martwerl 0:2f77ffaa208d 151 if(color == 1)
martwerl 0:2f77ffaa208d 152 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
martwerl 0:2f77ffaa208d 153 }
martwerl 0:2f77ffaa208d 154 }
martwerl 0:2f77ffaa208d 155
martwerl 0:2f77ffaa208d 156 // update lcd
martwerl 0:2f77ffaa208d 157
martwerl 0:2f77ffaa208d 158 void C12832::copy_to_lcd(void)
martwerl 0:2f77ffaa208d 159 {
martwerl 0:2f77ffaa208d 160
martwerl 0:2f77ffaa208d 161 int i=0;
martwerl 0:2f77ffaa208d 162
martwerl 0:2f77ffaa208d 163 //page 0
martwerl 0:2f77ffaa208d 164 wr_cmd(0x00); // set column low nibble 0
martwerl 0:2f77ffaa208d 165 wr_cmd(0x10); // set column hi nibble 0
martwerl 0:2f77ffaa208d 166 wr_cmd(0xB0); // set page address 0
martwerl 0:2f77ffaa208d 167 _A0 = 1;
martwerl 0:2f77ffaa208d 168 for(i=0; i<128; i++) {
martwerl 0:2f77ffaa208d 169 wr_dat(buffer[i]);
martwerl 0:2f77ffaa208d 170 }
martwerl 0:2f77ffaa208d 171
martwerl 0:2f77ffaa208d 172 // page 1
martwerl 0:2f77ffaa208d 173 wr_cmd(0x00); // set column low nibble 0
martwerl 0:2f77ffaa208d 174 wr_cmd(0x10); // set column hi nibble 0
martwerl 0:2f77ffaa208d 175 wr_cmd(0xB1); // set page address 1
martwerl 0:2f77ffaa208d 176 _A0 = 1;
martwerl 0:2f77ffaa208d 177 for(i=128; i<256; i++) {
martwerl 0:2f77ffaa208d 178 wr_dat(buffer[i]);
martwerl 0:2f77ffaa208d 179 }
martwerl 0:2f77ffaa208d 180
martwerl 0:2f77ffaa208d 181 //page 2
martwerl 0:2f77ffaa208d 182 wr_cmd(0x00); // set column low nibble 0
martwerl 0:2f77ffaa208d 183 wr_cmd(0x10); // set column hi nibble 0
martwerl 0:2f77ffaa208d 184 wr_cmd(0xB2); // set page address 2
martwerl 0:2f77ffaa208d 185 _A0 = 1;
martwerl 0:2f77ffaa208d 186 for(i=256; i<384; i++) {
martwerl 0:2f77ffaa208d 187 wr_dat(buffer[i]);
martwerl 0:2f77ffaa208d 188 }
martwerl 0:2f77ffaa208d 189
martwerl 0:2f77ffaa208d 190 //page 3
martwerl 0:2f77ffaa208d 191 wr_cmd(0x00); // set column low nibble 0
martwerl 0:2f77ffaa208d 192 wr_cmd(0x10); // set column hi nibble 0
martwerl 0:2f77ffaa208d 193 wr_cmd(0xB3); // set page address 3
martwerl 0:2f77ffaa208d 194 _A0 = 1;
martwerl 0:2f77ffaa208d 195
martwerl 0:2f77ffaa208d 196 _CS = 0;
martwerl 0:2f77ffaa208d 197
martwerl 0:2f77ffaa208d 198 for(i=384; i<512; i++) {
martwerl 0:2f77ffaa208d 199 wr_dat(buffer[i]);
martwerl 0:2f77ffaa208d 200 }
martwerl 0:2f77ffaa208d 201
martwerl 0:2f77ffaa208d 202 }
martwerl 0:2f77ffaa208d 203
martwerl 0:2f77ffaa208d 204 void C12832::cls(void)
martwerl 0:2f77ffaa208d 205 {
martwerl 0:2f77ffaa208d 206 memset(buffer,0x00,512); // clear display buffer
martwerl 0:2f77ffaa208d 207 copy_to_lcd();
martwerl 0:2f77ffaa208d 208 }
martwerl 0:2f77ffaa208d 209
martwerl 0:2f77ffaa208d 210
martwerl 0:2f77ffaa208d 211 void C12832::line(int x0, int y0, int x1, int y1, int color)
martwerl 0:2f77ffaa208d 212 {
martwerl 0:2f77ffaa208d 213 int dx = 0, dy = 0;
martwerl 0:2f77ffaa208d 214 int dx_sym = 0, dy_sym = 0;
martwerl 0:2f77ffaa208d 215 int dx_x2 = 0, dy_x2 = 0;
martwerl 0:2f77ffaa208d 216 int di = 0;
martwerl 0:2f77ffaa208d 217
martwerl 0:2f77ffaa208d 218 dx = x1-x0;
martwerl 0:2f77ffaa208d 219 dy = y1-y0;
martwerl 0:2f77ffaa208d 220
martwerl 0:2f77ffaa208d 221 // if (dx == 0) { /* vertical line */
martwerl 0:2f77ffaa208d 222 // if (y1 > y0) vline(x0,y0,y1,color);
martwerl 0:2f77ffaa208d 223 // else vline(x0,y1,y0,color);
martwerl 0:2f77ffaa208d 224 // return;
martwerl 0:2f77ffaa208d 225 // }
martwerl 0:2f77ffaa208d 226
martwerl 0:2f77ffaa208d 227 if (dx > 0) {
martwerl 0:2f77ffaa208d 228 dx_sym = 1;
martwerl 0:2f77ffaa208d 229 } else {
martwerl 0:2f77ffaa208d 230 dx_sym = -1;
martwerl 0:2f77ffaa208d 231 }
martwerl 0:2f77ffaa208d 232 // if (dy == 0) { /* horizontal line */
martwerl 0:2f77ffaa208d 233 // if (x1 > x0) hline(x0,x1,y0,color);
martwerl 0:2f77ffaa208d 234 // else hline(x1,x0,y0,color);
martwerl 0:2f77ffaa208d 235 // return;
martwerl 0:2f77ffaa208d 236 // }
martwerl 0:2f77ffaa208d 237
martwerl 0:2f77ffaa208d 238 if (dy > 0) {
martwerl 0:2f77ffaa208d 239 dy_sym = 1;
martwerl 0:2f77ffaa208d 240 } else {
martwerl 0:2f77ffaa208d 241 dy_sym = -1;
martwerl 0:2f77ffaa208d 242 }
martwerl 0:2f77ffaa208d 243
martwerl 0:2f77ffaa208d 244 dx = dx_sym*dx;
martwerl 0:2f77ffaa208d 245 dy = dy_sym*dy;
martwerl 0:2f77ffaa208d 246
martwerl 0:2f77ffaa208d 247 dx_x2 = dx*2;
martwerl 0:2f77ffaa208d 248 dy_x2 = dy*2;
martwerl 0:2f77ffaa208d 249
martwerl 0:2f77ffaa208d 250 if (dx >= dy) {
martwerl 0:2f77ffaa208d 251 di = dy_x2 - dx;
martwerl 0:2f77ffaa208d 252 while (x0 != x1) {
martwerl 0:2f77ffaa208d 253
martwerl 0:2f77ffaa208d 254 pixel(x0, y0, color);
martwerl 0:2f77ffaa208d 255 x0 += dx_sym;
martwerl 0:2f77ffaa208d 256 if (di<0) {
martwerl 0:2f77ffaa208d 257 di += dy_x2;
martwerl 0:2f77ffaa208d 258 } else {
martwerl 0:2f77ffaa208d 259 di += dy_x2 - dx_x2;
martwerl 0:2f77ffaa208d 260 y0 += dy_sym;
martwerl 0:2f77ffaa208d 261 }
martwerl 0:2f77ffaa208d 262 }
martwerl 0:2f77ffaa208d 263 pixel(x0, y0, color);
martwerl 0:2f77ffaa208d 264 } else {
martwerl 0:2f77ffaa208d 265 di = dx_x2 - dy;
martwerl 0:2f77ffaa208d 266 while (y0 != y1) {
martwerl 0:2f77ffaa208d 267 pixel(x0, y0, color);
martwerl 0:2f77ffaa208d 268 y0 += dy_sym;
martwerl 0:2f77ffaa208d 269 if (di < 0) {
martwerl 0:2f77ffaa208d 270 di += dx_x2;
martwerl 0:2f77ffaa208d 271 } else {
martwerl 0:2f77ffaa208d 272 di += dx_x2 - dy_x2;
martwerl 0:2f77ffaa208d 273 x0 += dx_sym;
martwerl 0:2f77ffaa208d 274 }
martwerl 0:2f77ffaa208d 275 }
martwerl 0:2f77ffaa208d 276 pixel(x0, y0, color);
martwerl 0:2f77ffaa208d 277 }
martwerl 0:2f77ffaa208d 278 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 279 }
martwerl 0:2f77ffaa208d 280
martwerl 0:2f77ffaa208d 281 void C12832::rect(int x0, int y0, int x1, int y1, int color)
martwerl 0:2f77ffaa208d 282 {
martwerl 0:2f77ffaa208d 283
martwerl 0:2f77ffaa208d 284 if (x1 > x0) line(x0,y0,x1,y0,color);
martwerl 0:2f77ffaa208d 285 else line(x1,y0,x0,y0,color);
martwerl 0:2f77ffaa208d 286
martwerl 0:2f77ffaa208d 287 if (y1 > y0) line(x0,y0,x0,y1,color);
martwerl 0:2f77ffaa208d 288 else line(x0,y1,x0,y0,color);
martwerl 0:2f77ffaa208d 289
martwerl 0:2f77ffaa208d 290 if (x1 > x0) line(x0,y1,x1,y1,color);
martwerl 0:2f77ffaa208d 291 else line(x1,y1,x0,y1,color);
martwerl 0:2f77ffaa208d 292
martwerl 0:2f77ffaa208d 293 if (y1 > y0) line(x1,y0,x1,y1,color);
martwerl 0:2f77ffaa208d 294 else line(x1,y1,x1,y0,color);
martwerl 0:2f77ffaa208d 295
martwerl 0:2f77ffaa208d 296 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 297 }
martwerl 0:2f77ffaa208d 298
martwerl 0:2f77ffaa208d 299 void C12832::fillrect(int x0, int y0, int x1, int y1, int color)
martwerl 0:2f77ffaa208d 300 {
martwerl 0:2f77ffaa208d 301 int l,c,i;
martwerl 0:2f77ffaa208d 302 if(x0 > x1) {
martwerl 0:2f77ffaa208d 303 i = x0;
martwerl 0:2f77ffaa208d 304 x0 = x1;
martwerl 0:2f77ffaa208d 305 x1 = i;
martwerl 0:2f77ffaa208d 306 }
martwerl 0:2f77ffaa208d 307
martwerl 0:2f77ffaa208d 308 if(y0 > y1) {
martwerl 0:2f77ffaa208d 309 i = y0;
martwerl 0:2f77ffaa208d 310 y0 = y1;
martwerl 0:2f77ffaa208d 311 y1 = i;
martwerl 0:2f77ffaa208d 312 }
martwerl 0:2f77ffaa208d 313
martwerl 0:2f77ffaa208d 314 for(l = x0; l<= x1; l ++) {
martwerl 0:2f77ffaa208d 315 for(c = y0; c<= y1; c++) {
martwerl 0:2f77ffaa208d 316 pixel(l,c,color);
martwerl 0:2f77ffaa208d 317 }
martwerl 0:2f77ffaa208d 318 }
martwerl 0:2f77ffaa208d 319 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 320 }
martwerl 0:2f77ffaa208d 321
martwerl 0:2f77ffaa208d 322
martwerl 0:2f77ffaa208d 323
martwerl 0:2f77ffaa208d 324 void C12832::circle(int x0, int y0, int r, int color)
martwerl 0:2f77ffaa208d 325 {
martwerl 0:2f77ffaa208d 326
martwerl 0:2f77ffaa208d 327 int draw_x0, draw_y0;
martwerl 0:2f77ffaa208d 328 int draw_x1, draw_y1;
martwerl 0:2f77ffaa208d 329 int draw_x2, draw_y2;
martwerl 0:2f77ffaa208d 330 int draw_x3, draw_y3;
martwerl 0:2f77ffaa208d 331 int draw_x4, draw_y4;
martwerl 0:2f77ffaa208d 332 int draw_x5, draw_y5;
martwerl 0:2f77ffaa208d 333 int draw_x6, draw_y6;
martwerl 0:2f77ffaa208d 334 int draw_x7, draw_y7;
martwerl 0:2f77ffaa208d 335 int xx, yy;
martwerl 0:2f77ffaa208d 336 int di;
martwerl 0:2f77ffaa208d 337 //WindowMax();
martwerl 0:2f77ffaa208d 338 if (r == 0) { /* no radius */
martwerl 0:2f77ffaa208d 339 return;
martwerl 0:2f77ffaa208d 340 }
martwerl 0:2f77ffaa208d 341
martwerl 0:2f77ffaa208d 342 draw_x0 = draw_x1 = x0;
martwerl 0:2f77ffaa208d 343 draw_y0 = draw_y1 = y0 + r;
martwerl 0:2f77ffaa208d 344 if (draw_y0 < height()) {
martwerl 0:2f77ffaa208d 345 pixel(draw_x0, draw_y0, color); /* 90 degree */
martwerl 0:2f77ffaa208d 346 }
martwerl 0:2f77ffaa208d 347
martwerl 0:2f77ffaa208d 348 draw_x2 = draw_x3 = x0;
martwerl 0:2f77ffaa208d 349 draw_y2 = draw_y3 = y0 - r;
martwerl 0:2f77ffaa208d 350 if (draw_y2 >= 0) {
martwerl 0:2f77ffaa208d 351 pixel(draw_x2, draw_y2, color); /* 270 degree */
martwerl 0:2f77ffaa208d 352 }
martwerl 0:2f77ffaa208d 353
martwerl 0:2f77ffaa208d 354 draw_x4 = draw_x6 = x0 + r;
martwerl 0:2f77ffaa208d 355 draw_y4 = draw_y6 = y0;
martwerl 0:2f77ffaa208d 356 if (draw_x4 < width()) {
martwerl 0:2f77ffaa208d 357 pixel(draw_x4, draw_y4, color); /* 0 degree */
martwerl 0:2f77ffaa208d 358 }
martwerl 0:2f77ffaa208d 359
martwerl 0:2f77ffaa208d 360 draw_x5 = draw_x7 = x0 - r;
martwerl 0:2f77ffaa208d 361 draw_y5 = draw_y7 = y0;
martwerl 0:2f77ffaa208d 362 if (draw_x5>=0) {
martwerl 0:2f77ffaa208d 363 pixel(draw_x5, draw_y5, color); /* 180 degree */
martwerl 0:2f77ffaa208d 364 }
martwerl 0:2f77ffaa208d 365
martwerl 0:2f77ffaa208d 366 if (r == 1) {
martwerl 0:2f77ffaa208d 367 return;
martwerl 0:2f77ffaa208d 368 }
martwerl 0:2f77ffaa208d 369
martwerl 0:2f77ffaa208d 370 di = 3 - 2*r;
martwerl 0:2f77ffaa208d 371 xx = 0;
martwerl 0:2f77ffaa208d 372 yy = r;
martwerl 0:2f77ffaa208d 373 while (xx < yy) {
martwerl 0:2f77ffaa208d 374
martwerl 0:2f77ffaa208d 375 if (di < 0) {
martwerl 0:2f77ffaa208d 376 di += 4*xx + 6;
martwerl 0:2f77ffaa208d 377 } else {
martwerl 0:2f77ffaa208d 378 di += 4*(xx - yy) + 10;
martwerl 0:2f77ffaa208d 379 yy--;
martwerl 0:2f77ffaa208d 380 draw_y0--;
martwerl 0:2f77ffaa208d 381 draw_y1--;
martwerl 0:2f77ffaa208d 382 draw_y2++;
martwerl 0:2f77ffaa208d 383 draw_y3++;
martwerl 0:2f77ffaa208d 384 draw_x4--;
martwerl 0:2f77ffaa208d 385 draw_x5++;
martwerl 0:2f77ffaa208d 386 draw_x6--;
martwerl 0:2f77ffaa208d 387 draw_x7++;
martwerl 0:2f77ffaa208d 388 }
martwerl 0:2f77ffaa208d 389 xx++;
martwerl 0:2f77ffaa208d 390 draw_x0++;
martwerl 0:2f77ffaa208d 391 draw_x1--;
martwerl 0:2f77ffaa208d 392 draw_x2++;
martwerl 0:2f77ffaa208d 393 draw_x3--;
martwerl 0:2f77ffaa208d 394 draw_y4++;
martwerl 0:2f77ffaa208d 395 draw_y5++;
martwerl 0:2f77ffaa208d 396 draw_y6--;
martwerl 0:2f77ffaa208d 397 draw_y7--;
martwerl 0:2f77ffaa208d 398
martwerl 0:2f77ffaa208d 399 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
martwerl 0:2f77ffaa208d 400 pixel(draw_x0, draw_y0, color);
martwerl 0:2f77ffaa208d 401 }
martwerl 0:2f77ffaa208d 402
martwerl 0:2f77ffaa208d 403 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
martwerl 0:2f77ffaa208d 404 pixel(draw_x1, draw_y1, color);
martwerl 0:2f77ffaa208d 405 }
martwerl 0:2f77ffaa208d 406
martwerl 0:2f77ffaa208d 407 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
martwerl 0:2f77ffaa208d 408 pixel(draw_x2, draw_y2, color);
martwerl 0:2f77ffaa208d 409 }
martwerl 0:2f77ffaa208d 410
martwerl 0:2f77ffaa208d 411 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
martwerl 0:2f77ffaa208d 412 pixel(draw_x3, draw_y3, color);
martwerl 0:2f77ffaa208d 413 }
martwerl 0:2f77ffaa208d 414
martwerl 0:2f77ffaa208d 415 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
martwerl 0:2f77ffaa208d 416 pixel(draw_x4, draw_y4, color);
martwerl 0:2f77ffaa208d 417 }
martwerl 0:2f77ffaa208d 418
martwerl 0:2f77ffaa208d 419 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
martwerl 0:2f77ffaa208d 420 pixel(draw_x5, draw_y5, color);
martwerl 0:2f77ffaa208d 421 }
martwerl 0:2f77ffaa208d 422 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
martwerl 0:2f77ffaa208d 423 pixel(draw_x6, draw_y6, color);
martwerl 0:2f77ffaa208d 424 }
martwerl 0:2f77ffaa208d 425 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
martwerl 0:2f77ffaa208d 426 pixel(draw_x7, draw_y7, color);
martwerl 0:2f77ffaa208d 427 }
martwerl 0:2f77ffaa208d 428 }
martwerl 0:2f77ffaa208d 429 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 430 }
martwerl 0:2f77ffaa208d 431
martwerl 0:2f77ffaa208d 432 void C12832::fillcircle(int x, int y, int r, int color)
martwerl 0:2f77ffaa208d 433 {
martwerl 0:2f77ffaa208d 434 int i,up;
martwerl 0:2f77ffaa208d 435 up = auto_up;
martwerl 0:2f77ffaa208d 436 auto_up = 0; // off
martwerl 0:2f77ffaa208d 437 for (i = 0; i <= r; i++)
martwerl 0:2f77ffaa208d 438 circle(x,y,i,color);
martwerl 0:2f77ffaa208d 439 auto_up = up;
martwerl 0:2f77ffaa208d 440 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 441 }
martwerl 0:2f77ffaa208d 442
martwerl 0:2f77ffaa208d 443 void C12832::setmode(int mode)
martwerl 0:2f77ffaa208d 444 {
martwerl 0:2f77ffaa208d 445 draw_mode = mode;
martwerl 0:2f77ffaa208d 446 }
martwerl 0:2f77ffaa208d 447
martwerl 0:2f77ffaa208d 448 void C12832::locate(int x, int y)
martwerl 0:2f77ffaa208d 449 {
martwerl 0:2f77ffaa208d 450 char_x = x;
martwerl 0:2f77ffaa208d 451 char_y = y;
martwerl 0:2f77ffaa208d 452 }
martwerl 0:2f77ffaa208d 453
martwerl 0:2f77ffaa208d 454
martwerl 0:2f77ffaa208d 455
martwerl 0:2f77ffaa208d 456 int C12832::columns()
martwerl 0:2f77ffaa208d 457 {
martwerl 0:2f77ffaa208d 458 return width() / font[1];
martwerl 0:2f77ffaa208d 459 }
martwerl 0:2f77ffaa208d 460
martwerl 0:2f77ffaa208d 461
martwerl 0:2f77ffaa208d 462
martwerl 0:2f77ffaa208d 463 int C12832::rows()
martwerl 0:2f77ffaa208d 464 {
martwerl 0:2f77ffaa208d 465 return height() / font[2];
martwerl 0:2f77ffaa208d 466 }
martwerl 0:2f77ffaa208d 467
martwerl 0:2f77ffaa208d 468
martwerl 0:2f77ffaa208d 469
martwerl 0:2f77ffaa208d 470 int C12832::_putc(int value)
martwerl 0:2f77ffaa208d 471 {
martwerl 0:2f77ffaa208d 472 if (value == '\n') { // new line
martwerl 0:2f77ffaa208d 473 char_x = 0;
martwerl 0:2f77ffaa208d 474 char_y = char_y + font[2];
martwerl 0:2f77ffaa208d 475 if (char_y >= height() - font[2]) {
martwerl 0:2f77ffaa208d 476 char_y = 0;
martwerl 0:2f77ffaa208d 477 }
martwerl 0:2f77ffaa208d 478 } else {
martwerl 0:2f77ffaa208d 479 character(char_x, char_y, value);
martwerl 0:2f77ffaa208d 480 if(auto_up) copy_to_lcd();
martwerl 0:2f77ffaa208d 481 }
martwerl 0:2f77ffaa208d 482 return value;
martwerl 0:2f77ffaa208d 483 }
martwerl 0:2f77ffaa208d 484
martwerl 0:2f77ffaa208d 485 void C12832::character(int x, int y, int c)
martwerl 0:2f77ffaa208d 486 {
martwerl 0:2f77ffaa208d 487 unsigned int hor,vert,offset,bpl,j,i,b;
martwerl 0:2f77ffaa208d 488 unsigned char* zeichen;
martwerl 0:2f77ffaa208d 489 unsigned char z,w;
martwerl 0:2f77ffaa208d 490
martwerl 0:2f77ffaa208d 491 if ((c < 31) || (c > 127)) return; // test char range
martwerl 0:2f77ffaa208d 492
martwerl 0:2f77ffaa208d 493 // read font parameter from start of array
martwerl 0:2f77ffaa208d 494 offset = font[0]; // bytes / char
martwerl 0:2f77ffaa208d 495 hor = font[1]; // get hor size of font
martwerl 0:2f77ffaa208d 496 vert = font[2]; // get vert size of font
martwerl 0:2f77ffaa208d 497 bpl = font[3]; // bytes per line
martwerl 0:2f77ffaa208d 498
martwerl 0:2f77ffaa208d 499 if (char_x + hor > width()) {
martwerl 0:2f77ffaa208d 500 char_x = 0;
martwerl 0:2f77ffaa208d 501 char_y = char_y + vert;
martwerl 0:2f77ffaa208d 502 if (char_y >= height() - font[2]) {
martwerl 0:2f77ffaa208d 503 char_y = 0;
martwerl 0:2f77ffaa208d 504 }
martwerl 0:2f77ffaa208d 505 }
martwerl 0:2f77ffaa208d 506
martwerl 0:2f77ffaa208d 507 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
martwerl 0:2f77ffaa208d 508 w = zeichen[0]; // width of actual char
martwerl 0:2f77ffaa208d 509 // construct the char into the buffer
martwerl 0:2f77ffaa208d 510 for (j=0; j<vert; j++) { // vert line
martwerl 0:2f77ffaa208d 511 for (i=0; i<hor; i++) { // horz line
martwerl 0:2f77ffaa208d 512 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
martwerl 0:2f77ffaa208d 513 b = 1 << (j & 0x07);
martwerl 0:2f77ffaa208d 514 if (( z & b ) == 0x00) {
martwerl 0:2f77ffaa208d 515 pixel(x+i,y+j,0);
martwerl 0:2f77ffaa208d 516 } else {
martwerl 0:2f77ffaa208d 517 pixel(x+i,y+j,1);
martwerl 0:2f77ffaa208d 518 }
martwerl 0:2f77ffaa208d 519
martwerl 0:2f77ffaa208d 520 }
martwerl 0:2f77ffaa208d 521 }
martwerl 0:2f77ffaa208d 522
martwerl 0:2f77ffaa208d 523 char_x += w;
martwerl 0:2f77ffaa208d 524 }
martwerl 0:2f77ffaa208d 525
martwerl 0:2f77ffaa208d 526
martwerl 0:2f77ffaa208d 527 void C12832::set_font(unsigned char* f)
martwerl 0:2f77ffaa208d 528 {
martwerl 0:2f77ffaa208d 529 font = f;
martwerl 0:2f77ffaa208d 530 }
martwerl 0:2f77ffaa208d 531
martwerl 0:2f77ffaa208d 532 void C12832::set_auto_up(unsigned int up)
martwerl 0:2f77ffaa208d 533 {
martwerl 0:2f77ffaa208d 534 if(up ) auto_up = 1;
martwerl 0:2f77ffaa208d 535 else auto_up = 0;
martwerl 0:2f77ffaa208d 536 }
martwerl 0:2f77ffaa208d 537
martwerl 0:2f77ffaa208d 538 unsigned int C12832::get_auto_up(void)
martwerl 0:2f77ffaa208d 539 {
martwerl 0:2f77ffaa208d 540 return (auto_up);
martwerl 0:2f77ffaa208d 541 }
martwerl 0:2f77ffaa208d 542
martwerl 0:2f77ffaa208d 543 void C12832::print_bm(Bitmap bm, int x, int y)
martwerl 0:2f77ffaa208d 544 {
martwerl 0:2f77ffaa208d 545 int h,v,b;
martwerl 0:2f77ffaa208d 546 char d;
martwerl 0:2f77ffaa208d 547
martwerl 0:2f77ffaa208d 548 for(v=0; v < bm.ySize; v++) { // lines
martwerl 0:2f77ffaa208d 549 for(h=0; h < bm.xSize; h++) { // pixel
martwerl 0:2f77ffaa208d 550 if(h + x > 127) break;
martwerl 0:2f77ffaa208d 551 if(v + y > 31) break;
martwerl 0:2f77ffaa208d 552 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
martwerl 0:2f77ffaa208d 553 b = 0x80 >> (h & 0x07);
martwerl 0:2f77ffaa208d 554 if((d & b) == 0) {
martwerl 0:2f77ffaa208d 555 pixel(x+h,y+v,0);
martwerl 0:2f77ffaa208d 556 } else {
martwerl 0:2f77ffaa208d 557 pixel(x+h,y+v,1);
martwerl 0:2f77ffaa208d 558 }
martwerl 0:2f77ffaa208d 559 }
martwerl 0:2f77ffaa208d 560 }
martwerl 0:2f77ffaa208d 561
martwerl 0:2f77ffaa208d 562 }
martwerl 0:2f77ffaa208d 563
martwerl 0:2f77ffaa208d 564