Christian Weiß / Mittelwert

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Dependencies:   mbed

C12832_copy/C12832.cpp@0:648b08cf7fe8, 2018-11-15 (annotated)

Committer:
Wizo
Date:
Thu Nov 15 18:02:56 2018 +0000
Revision:
0:648b08cf7fe8
Mittelwert

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Wizo 0:648b08cf7fe8 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
Wizo 0:648b08cf7fe8 2 * use C12832 controller
Wizo 0:648b08cf7fe8 3 * Copyright (c) 2012 Peter Drescher - DC2PD
Wizo 0:648b08cf7fe8 4 * Released under the MIT License: http://mbed.org/license/mit
Wizo 0:648b08cf7fe8 5 *
Wizo 0:648b08cf7fe8 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Wizo 0:648b08cf7fe8 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Wizo 0:648b08cf7fe8 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Wizo 0:648b08cf7fe8 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Wizo 0:648b08cf7fe8 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Wizo 0:648b08cf7fe8 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Wizo 0:648b08cf7fe8 12 * THE SOFTWARE.
Wizo 0:648b08cf7fe8 13 */
Wizo 0:648b08cf7fe8 14
Wizo 0:648b08cf7fe8 15 // 13.10.12 initial design
Wizo 0:648b08cf7fe8 16 // 25.10.12 add autorefresh of screen
Wizo 0:648b08cf7fe8 17 // 25.10.12 add standart font
Wizo 0:648b08cf7fe8 18 // 20.12.12 add bitmap graphics
Wizo 0:648b08cf7fe8 19
Wizo 0:648b08cf7fe8 20 // optional defines :
Wizo 0:648b08cf7fe8 21 // #define debug_lcd 1
Wizo 0:648b08cf7fe8 22
Wizo 0:648b08cf7fe8 23 #include "C12832.h"
Wizo 0:648b08cf7fe8 24 #include "mbed.h"
Wizo 0:648b08cf7fe8 25 #include "stdio.h"
Wizo 0:648b08cf7fe8 26 #include "Small_7.h"
Wizo 0:648b08cf7fe8 27
Wizo 0:648b08cf7fe8 28 #define BPP 1 // Bits per pixel
Wizo 0:648b08cf7fe8 29
Wizo 0:648b08cf7fe8 30
Wizo 0:648b08cf7fe8 31 C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name)
Wizo 0:648b08cf7fe8 32 : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs),GraphicsDisplay(name)
Wizo 0:648b08cf7fe8 33 {
Wizo 0:648b08cf7fe8 34 orientation = 1;
Wizo 0:648b08cf7fe8 35 draw_mode = NORMAL;
Wizo 0:648b08cf7fe8 36 char_x = 0;
Wizo 0:648b08cf7fe8 37 lcd_reset();
Wizo 0:648b08cf7fe8 38 }
Wizo 0:648b08cf7fe8 39
Wizo 0:648b08cf7fe8 40
Wizo 0:648b08cf7fe8 41 int C12832::width()
Wizo 0:648b08cf7fe8 42 {
Wizo 0:648b08cf7fe8 43 if (orientation == 0 || orientation == 2) return 32;
Wizo 0:648b08cf7fe8 44 else return 128;
Wizo 0:648b08cf7fe8 45 }
Wizo 0:648b08cf7fe8 46
Wizo 0:648b08cf7fe8 47 int C12832::height()
Wizo 0:648b08cf7fe8 48 {
Wizo 0:648b08cf7fe8 49 if (orientation == 0 || orientation == 2) return 128;
Wizo 0:648b08cf7fe8 50 else return 32;
Wizo 0:648b08cf7fe8 51 }
Wizo 0:648b08cf7fe8 52
Wizo 0:648b08cf7fe8 53
Wizo 0:648b08cf7fe8 54 void C12832::invert(unsigned int o)
Wizo 0:648b08cf7fe8 55 {
Wizo 0:648b08cf7fe8 56 if(o == 0) wr_cmd(0xA6);
Wizo 0:648b08cf7fe8 57 else wr_cmd(0xA7);
Wizo 0:648b08cf7fe8 58 }
Wizo 0:648b08cf7fe8 59
Wizo 0:648b08cf7fe8 60
Wizo 0:648b08cf7fe8 61 void C12832::set_contrast(unsigned int o)
Wizo 0:648b08cf7fe8 62 {
Wizo 0:648b08cf7fe8 63 contrast = o;
Wizo 0:648b08cf7fe8 64 wr_cmd(0x81); // set volume
Wizo 0:648b08cf7fe8 65 wr_cmd(o & 0x3F);
Wizo 0:648b08cf7fe8 66 }
Wizo 0:648b08cf7fe8 67
Wizo 0:648b08cf7fe8 68 unsigned int C12832::get_contrast(void)
Wizo 0:648b08cf7fe8 69 {
Wizo 0:648b08cf7fe8 70 return(contrast);
Wizo 0:648b08cf7fe8 71 }
Wizo 0:648b08cf7fe8 72
Wizo 0:648b08cf7fe8 73
Wizo 0:648b08cf7fe8 74 // write command to lcd controller
Wizo 0:648b08cf7fe8 75
Wizo 0:648b08cf7fe8 76 void C12832::wr_cmd(unsigned char cmd)
Wizo 0:648b08cf7fe8 77 {
Wizo 0:648b08cf7fe8 78 _A0 = 0;
Wizo 0:648b08cf7fe8 79 _CS = 0;
Wizo 0:648b08cf7fe8 80 _spi.write(cmd);
Wizo 0:648b08cf7fe8 81 _CS = 1;
Wizo 0:648b08cf7fe8 82 }
Wizo 0:648b08cf7fe8 83
Wizo 0:648b08cf7fe8 84 // write data to lcd controller
Wizo 0:648b08cf7fe8 85
Wizo 0:648b08cf7fe8 86 void C12832::wr_dat(unsigned char dat)
Wizo 0:648b08cf7fe8 87 {
Wizo 0:648b08cf7fe8 88 _A0 = 1;
Wizo 0:648b08cf7fe8 89 _CS = 0;
Wizo 0:648b08cf7fe8 90 _spi.write(dat);
Wizo 0:648b08cf7fe8 91 _CS = 1;
Wizo 0:648b08cf7fe8 92 }
Wizo 0:648b08cf7fe8 93
Wizo 0:648b08cf7fe8 94 // reset and init the lcd controller
Wizo 0:648b08cf7fe8 95
Wizo 0:648b08cf7fe8 96 void C12832::lcd_reset()
Wizo 0:648b08cf7fe8 97 {
Wizo 0:648b08cf7fe8 98
Wizo 0:648b08cf7fe8 99 _spi.format(8,3); // 8 bit spi mode 3
Wizo 0:648b08cf7fe8 100 _spi.frequency(20000000); // 19,2 Mhz SPI clock
Wizo 0:648b08cf7fe8 101 _A0 = 0;
Wizo 0:648b08cf7fe8 102 _CS = 1;
Wizo 0:648b08cf7fe8 103 _reset = 0; // display reset
Wizo 0:648b08cf7fe8 104 wait_us(50);
Wizo 0:648b08cf7fe8 105 _reset = 1; // end reset
Wizo 0:648b08cf7fe8 106 wait_ms(5);
Wizo 0:648b08cf7fe8 107
Wizo 0:648b08cf7fe8 108 /* Start Initial Sequence ----------------------------------------------------*/
Wizo 0:648b08cf7fe8 109
Wizo 0:648b08cf7fe8 110 wr_cmd(0xAE); // display off
Wizo 0:648b08cf7fe8 111 wr_cmd(0xA2); // bias voltage
Wizo 0:648b08cf7fe8 112
Wizo 0:648b08cf7fe8 113 wr_cmd(0xA0);
Wizo 0:648b08cf7fe8 114 wr_cmd(0xC8); // colum normal
Wizo 0:648b08cf7fe8 115
Wizo 0:648b08cf7fe8 116 wr_cmd(0x22); // voltage resistor ratio
Wizo 0:648b08cf7fe8 117 wr_cmd(0x2F); // power on
Wizo 0:648b08cf7fe8 118 //wr_cmd(0xA4); // LCD display ram
Wizo 0:648b08cf7fe8 119 wr_cmd(0x40); // start line = 0
Wizo 0:648b08cf7fe8 120 wr_cmd(0xAF); // display ON
Wizo 0:648b08cf7fe8 121
Wizo 0:648b08cf7fe8 122 wr_cmd(0x81); // set contrast
Wizo 0:648b08cf7fe8 123 wr_cmd(0x17); // set contrast
Wizo 0:648b08cf7fe8 124
Wizo 0:648b08cf7fe8 125 wr_cmd(0xA6); // display normal
Wizo 0:648b08cf7fe8 126
Wizo 0:648b08cf7fe8 127
Wizo 0:648b08cf7fe8 128 // clear and update LCD
Wizo 0:648b08cf7fe8 129 memset(buffer,0x00,512); // clear display buffer
Wizo 0:648b08cf7fe8 130 copy_to_lcd();
Wizo 0:648b08cf7fe8 131 auto_up = 1; // switch on auto update
Wizo 0:648b08cf7fe8 132 // dont do this by default. Make the user call
Wizo 0:648b08cf7fe8 133 //claim(stdout); // redirekt printf to lcd
Wizo 0:648b08cf7fe8 134 locate(0,0);
Wizo 0:648b08cf7fe8 135 set_font((unsigned char*)Small_7); // standart font
Wizo 0:648b08cf7fe8 136 }
Wizo 0:648b08cf7fe8 137
Wizo 0:648b08cf7fe8 138 // set one pixel in buffer
Wizo 0:648b08cf7fe8 139
Wizo 0:648b08cf7fe8 140 void C12832::pixel(int x, int y, int color)
Wizo 0:648b08cf7fe8 141 {
Wizo 0:648b08cf7fe8 142 // first check parameter
Wizo 0:648b08cf7fe8 143 if(x > 128 || y > 32 || x < 0 || y < 0) return;
Wizo 0:648b08cf7fe8 144
Wizo 0:648b08cf7fe8 145 if(draw_mode == NORMAL) {
Wizo 0:648b08cf7fe8 146 if(color == 0)
Wizo 0:648b08cf7fe8 147 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
Wizo 0:648b08cf7fe8 148 else
Wizo 0:648b08cf7fe8 149 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
Wizo 0:648b08cf7fe8 150 } else { // XOR mode
Wizo 0:648b08cf7fe8 151 if(color == 1)
Wizo 0:648b08cf7fe8 152 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
Wizo 0:648b08cf7fe8 153 }
Wizo 0:648b08cf7fe8 154 }
Wizo 0:648b08cf7fe8 155
Wizo 0:648b08cf7fe8 156 // update lcd
Wizo 0:648b08cf7fe8 157
Wizo 0:648b08cf7fe8 158 void C12832::copy_to_lcd(void)
Wizo 0:648b08cf7fe8 159 {
Wizo 0:648b08cf7fe8 160
Wizo 0:648b08cf7fe8 161 int i=0;
Wizo 0:648b08cf7fe8 162
Wizo 0:648b08cf7fe8 163 //page 0
Wizo 0:648b08cf7fe8 164 wr_cmd(0x00); // set column low nibble 0
Wizo 0:648b08cf7fe8 165 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:648b08cf7fe8 166 wr_cmd(0xB0); // set page address 0
Wizo 0:648b08cf7fe8 167 _A0 = 1;
Wizo 0:648b08cf7fe8 168 for(i=0; i<128; i++) {
Wizo 0:648b08cf7fe8 169 wr_dat(buffer[i]);
Wizo 0:648b08cf7fe8 170 }
Wizo 0:648b08cf7fe8 171
Wizo 0:648b08cf7fe8 172 // page 1
Wizo 0:648b08cf7fe8 173 wr_cmd(0x00); // set column low nibble 0
Wizo 0:648b08cf7fe8 174 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:648b08cf7fe8 175 wr_cmd(0xB1); // set page address 1
Wizo 0:648b08cf7fe8 176 _A0 = 1;
Wizo 0:648b08cf7fe8 177 for(i=128; i<256; i++) {
Wizo 0:648b08cf7fe8 178 wr_dat(buffer[i]);
Wizo 0:648b08cf7fe8 179 }
Wizo 0:648b08cf7fe8 180
Wizo 0:648b08cf7fe8 181 //page 2
Wizo 0:648b08cf7fe8 182 wr_cmd(0x00); // set column low nibble 0
Wizo 0:648b08cf7fe8 183 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:648b08cf7fe8 184 wr_cmd(0xB2); // set page address 2
Wizo 0:648b08cf7fe8 185 _A0 = 1;
Wizo 0:648b08cf7fe8 186 for(i=256; i<384; i++) {
Wizo 0:648b08cf7fe8 187 wr_dat(buffer[i]);
Wizo 0:648b08cf7fe8 188 }
Wizo 0:648b08cf7fe8 189
Wizo 0:648b08cf7fe8 190 //page 3
Wizo 0:648b08cf7fe8 191 wr_cmd(0x00); // set column low nibble 0
Wizo 0:648b08cf7fe8 192 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:648b08cf7fe8 193 wr_cmd(0xB3); // set page address 3
Wizo 0:648b08cf7fe8 194 _A0 = 1;
Wizo 0:648b08cf7fe8 195
Wizo 0:648b08cf7fe8 196 _CS = 0;
Wizo 0:648b08cf7fe8 197
Wizo 0:648b08cf7fe8 198 for(i=384; i<512; i++) {
Wizo 0:648b08cf7fe8 199 wr_dat(buffer[i]);
Wizo 0:648b08cf7fe8 200 }
Wizo 0:648b08cf7fe8 201
Wizo 0:648b08cf7fe8 202 }
Wizo 0:648b08cf7fe8 203
Wizo 0:648b08cf7fe8 204 void C12832::cls(void)
Wizo 0:648b08cf7fe8 205 {
Wizo 0:648b08cf7fe8 206 memset(buffer,0x00,512); // clear display buffer
Wizo 0:648b08cf7fe8 207 copy_to_lcd();
Wizo 0:648b08cf7fe8 208 }
Wizo 0:648b08cf7fe8 209
Wizo 0:648b08cf7fe8 210
Wizo 0:648b08cf7fe8 211 void C12832::line(int x0, int y0, int x1, int y1, int color)
Wizo 0:648b08cf7fe8 212 {
Wizo 0:648b08cf7fe8 213 int dx = 0, dy = 0;
Wizo 0:648b08cf7fe8 214 int dx_sym = 0, dy_sym = 0;
Wizo 0:648b08cf7fe8 215 int dx_x2 = 0, dy_x2 = 0;
Wizo 0:648b08cf7fe8 216 int di = 0;
Wizo 0:648b08cf7fe8 217
Wizo 0:648b08cf7fe8 218 dx = x1-x0;
Wizo 0:648b08cf7fe8 219 dy = y1-y0;
Wizo 0:648b08cf7fe8 220
Wizo 0:648b08cf7fe8 221 // if (dx == 0) { /* vertical line */
Wizo 0:648b08cf7fe8 222 // if (y1 > y0) vline(x0,y0,y1,color);
Wizo 0:648b08cf7fe8 223 // else vline(x0,y1,y0,color);
Wizo 0:648b08cf7fe8 224 // return;
Wizo 0:648b08cf7fe8 225 // }
Wizo 0:648b08cf7fe8 226
Wizo 0:648b08cf7fe8 227 if (dx > 0) {
Wizo 0:648b08cf7fe8 228 dx_sym = 1;
Wizo 0:648b08cf7fe8 229 } else {
Wizo 0:648b08cf7fe8 230 dx_sym = -1;
Wizo 0:648b08cf7fe8 231 }
Wizo 0:648b08cf7fe8 232 // if (dy == 0) { /* horizontal line */
Wizo 0:648b08cf7fe8 233 // if (x1 > x0) hline(x0,x1,y0,color);
Wizo 0:648b08cf7fe8 234 // else hline(x1,x0,y0,color);
Wizo 0:648b08cf7fe8 235 // return;
Wizo 0:648b08cf7fe8 236 // }
Wizo 0:648b08cf7fe8 237
Wizo 0:648b08cf7fe8 238 if (dy > 0) {
Wizo 0:648b08cf7fe8 239 dy_sym = 1;
Wizo 0:648b08cf7fe8 240 } else {
Wizo 0:648b08cf7fe8 241 dy_sym = -1;
Wizo 0:648b08cf7fe8 242 }
Wizo 0:648b08cf7fe8 243
Wizo 0:648b08cf7fe8 244 dx = dx_sym*dx;
Wizo 0:648b08cf7fe8 245 dy = dy_sym*dy;
Wizo 0:648b08cf7fe8 246
Wizo 0:648b08cf7fe8 247 dx_x2 = dx*2;
Wizo 0:648b08cf7fe8 248 dy_x2 = dy*2;
Wizo 0:648b08cf7fe8 249
Wizo 0:648b08cf7fe8 250 if (dx >= dy) {
Wizo 0:648b08cf7fe8 251 di = dy_x2 - dx;
Wizo 0:648b08cf7fe8 252 while (x0 != x1) {
Wizo 0:648b08cf7fe8 253
Wizo 0:648b08cf7fe8 254 pixel(x0, y0, color);
Wizo 0:648b08cf7fe8 255 x0 += dx_sym;
Wizo 0:648b08cf7fe8 256 if (di<0) {
Wizo 0:648b08cf7fe8 257 di += dy_x2;
Wizo 0:648b08cf7fe8 258 } else {
Wizo 0:648b08cf7fe8 259 di += dy_x2 - dx_x2;
Wizo 0:648b08cf7fe8 260 y0 += dy_sym;
Wizo 0:648b08cf7fe8 261 }
Wizo 0:648b08cf7fe8 262 }
Wizo 0:648b08cf7fe8 263 pixel(x0, y0, color);
Wizo 0:648b08cf7fe8 264 } else {
Wizo 0:648b08cf7fe8 265 di = dx_x2 - dy;
Wizo 0:648b08cf7fe8 266 while (y0 != y1) {
Wizo 0:648b08cf7fe8 267 pixel(x0, y0, color);
Wizo 0:648b08cf7fe8 268 y0 += dy_sym;
Wizo 0:648b08cf7fe8 269 if (di < 0) {
Wizo 0:648b08cf7fe8 270 di += dx_x2;
Wizo 0:648b08cf7fe8 271 } else {
Wizo 0:648b08cf7fe8 272 di += dx_x2 - dy_x2;
Wizo 0:648b08cf7fe8 273 x0 += dx_sym;
Wizo 0:648b08cf7fe8 274 }
Wizo 0:648b08cf7fe8 275 }
Wizo 0:648b08cf7fe8 276 pixel(x0, y0, color);
Wizo 0:648b08cf7fe8 277 }
Wizo 0:648b08cf7fe8 278 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 279 }
Wizo 0:648b08cf7fe8 280
Wizo 0:648b08cf7fe8 281 void C12832::rect(int x0, int y0, int x1, int y1, int color)
Wizo 0:648b08cf7fe8 282 {
Wizo 0:648b08cf7fe8 283
Wizo 0:648b08cf7fe8 284 if (x1 > x0) line(x0,y0,x1,y0,color);
Wizo 0:648b08cf7fe8 285 else line(x1,y0,x0,y0,color);
Wizo 0:648b08cf7fe8 286
Wizo 0:648b08cf7fe8 287 if (y1 > y0) line(x0,y0,x0,y1,color);
Wizo 0:648b08cf7fe8 288 else line(x0,y1,x0,y0,color);
Wizo 0:648b08cf7fe8 289
Wizo 0:648b08cf7fe8 290 if (x1 > x0) line(x0,y1,x1,y1,color);
Wizo 0:648b08cf7fe8 291 else line(x1,y1,x0,y1,color);
Wizo 0:648b08cf7fe8 292
Wizo 0:648b08cf7fe8 293 if (y1 > y0) line(x1,y0,x1,y1,color);
Wizo 0:648b08cf7fe8 294 else line(x1,y1,x1,y0,color);
Wizo 0:648b08cf7fe8 295
Wizo 0:648b08cf7fe8 296 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 297 }
Wizo 0:648b08cf7fe8 298
Wizo 0:648b08cf7fe8 299 void C12832::fillrect(int x0, int y0, int x1, int y1, int color)
Wizo 0:648b08cf7fe8 300 {
Wizo 0:648b08cf7fe8 301 int l,c,i;
Wizo 0:648b08cf7fe8 302 if(x0 > x1) {
Wizo 0:648b08cf7fe8 303 i = x0;
Wizo 0:648b08cf7fe8 304 x0 = x1;
Wizo 0:648b08cf7fe8 305 x1 = i;
Wizo 0:648b08cf7fe8 306 }
Wizo 0:648b08cf7fe8 307
Wizo 0:648b08cf7fe8 308 if(y0 > y1) {
Wizo 0:648b08cf7fe8 309 i = y0;
Wizo 0:648b08cf7fe8 310 y0 = y1;
Wizo 0:648b08cf7fe8 311 y1 = i;
Wizo 0:648b08cf7fe8 312 }
Wizo 0:648b08cf7fe8 313
Wizo 0:648b08cf7fe8 314 for(l = x0; l<= x1; l ++) {
Wizo 0:648b08cf7fe8 315 for(c = y0; c<= y1; c++) {
Wizo 0:648b08cf7fe8 316 pixel(l,c,color);
Wizo 0:648b08cf7fe8 317 }
Wizo 0:648b08cf7fe8 318 }
Wizo 0:648b08cf7fe8 319 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 320 }
Wizo 0:648b08cf7fe8 321
Wizo 0:648b08cf7fe8 322
Wizo 0:648b08cf7fe8 323
Wizo 0:648b08cf7fe8 324 void C12832::circle(int x0, int y0, int r, int color)
Wizo 0:648b08cf7fe8 325 {
Wizo 0:648b08cf7fe8 326
Wizo 0:648b08cf7fe8 327 int draw_x0, draw_y0;
Wizo 0:648b08cf7fe8 328 int draw_x1, draw_y1;
Wizo 0:648b08cf7fe8 329 int draw_x2, draw_y2;
Wizo 0:648b08cf7fe8 330 int draw_x3, draw_y3;
Wizo 0:648b08cf7fe8 331 int draw_x4, draw_y4;
Wizo 0:648b08cf7fe8 332 int draw_x5, draw_y5;
Wizo 0:648b08cf7fe8 333 int draw_x6, draw_y6;
Wizo 0:648b08cf7fe8 334 int draw_x7, draw_y7;
Wizo 0:648b08cf7fe8 335 int xx, yy;
Wizo 0:648b08cf7fe8 336 int di;
Wizo 0:648b08cf7fe8 337 //WindowMax();
Wizo 0:648b08cf7fe8 338 if (r == 0) { /* no radius */
Wizo 0:648b08cf7fe8 339 return;
Wizo 0:648b08cf7fe8 340 }
Wizo 0:648b08cf7fe8 341
Wizo 0:648b08cf7fe8 342 draw_x0 = draw_x1 = x0;
Wizo 0:648b08cf7fe8 343 draw_y0 = draw_y1 = y0 + r;
Wizo 0:648b08cf7fe8 344 if (draw_y0 < height()) {
Wizo 0:648b08cf7fe8 345 pixel(draw_x0, draw_y0, color); /* 90 degree */
Wizo 0:648b08cf7fe8 346 }
Wizo 0:648b08cf7fe8 347
Wizo 0:648b08cf7fe8 348 draw_x2 = draw_x3 = x0;
Wizo 0:648b08cf7fe8 349 draw_y2 = draw_y3 = y0 - r;
Wizo 0:648b08cf7fe8 350 if (draw_y2 >= 0) {
Wizo 0:648b08cf7fe8 351 pixel(draw_x2, draw_y2, color); /* 270 degree */
Wizo 0:648b08cf7fe8 352 }
Wizo 0:648b08cf7fe8 353
Wizo 0:648b08cf7fe8 354 draw_x4 = draw_x6 = x0 + r;
Wizo 0:648b08cf7fe8 355 draw_y4 = draw_y6 = y0;
Wizo 0:648b08cf7fe8 356 if (draw_x4 < width()) {
Wizo 0:648b08cf7fe8 357 pixel(draw_x4, draw_y4, color); /* 0 degree */
Wizo 0:648b08cf7fe8 358 }
Wizo 0:648b08cf7fe8 359
Wizo 0:648b08cf7fe8 360 draw_x5 = draw_x7 = x0 - r;
Wizo 0:648b08cf7fe8 361 draw_y5 = draw_y7 = y0;
Wizo 0:648b08cf7fe8 362 if (draw_x5>=0) {
Wizo 0:648b08cf7fe8 363 pixel(draw_x5, draw_y5, color); /* 180 degree */
Wizo 0:648b08cf7fe8 364 }
Wizo 0:648b08cf7fe8 365
Wizo 0:648b08cf7fe8 366 if (r == 1) {
Wizo 0:648b08cf7fe8 367 return;
Wizo 0:648b08cf7fe8 368 }
Wizo 0:648b08cf7fe8 369
Wizo 0:648b08cf7fe8 370 di = 3 - 2*r;
Wizo 0:648b08cf7fe8 371 xx = 0;
Wizo 0:648b08cf7fe8 372 yy = r;
Wizo 0:648b08cf7fe8 373 while (xx < yy) {
Wizo 0:648b08cf7fe8 374
Wizo 0:648b08cf7fe8 375 if (di < 0) {
Wizo 0:648b08cf7fe8 376 di += 4*xx + 6;
Wizo 0:648b08cf7fe8 377 } else {
Wizo 0:648b08cf7fe8 378 di += 4*(xx - yy) + 10;
Wizo 0:648b08cf7fe8 379 yy--;
Wizo 0:648b08cf7fe8 380 draw_y0--;
Wizo 0:648b08cf7fe8 381 draw_y1--;
Wizo 0:648b08cf7fe8 382 draw_y2++;
Wizo 0:648b08cf7fe8 383 draw_y3++;
Wizo 0:648b08cf7fe8 384 draw_x4--;
Wizo 0:648b08cf7fe8 385 draw_x5++;
Wizo 0:648b08cf7fe8 386 draw_x6--;
Wizo 0:648b08cf7fe8 387 draw_x7++;
Wizo 0:648b08cf7fe8 388 }
Wizo 0:648b08cf7fe8 389 xx++;
Wizo 0:648b08cf7fe8 390 draw_x0++;
Wizo 0:648b08cf7fe8 391 draw_x1--;
Wizo 0:648b08cf7fe8 392 draw_x2++;
Wizo 0:648b08cf7fe8 393 draw_x3--;
Wizo 0:648b08cf7fe8 394 draw_y4++;
Wizo 0:648b08cf7fe8 395 draw_y5++;
Wizo 0:648b08cf7fe8 396 draw_y6--;
Wizo 0:648b08cf7fe8 397 draw_y7--;
Wizo 0:648b08cf7fe8 398
Wizo 0:648b08cf7fe8 399 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
Wizo 0:648b08cf7fe8 400 pixel(draw_x0, draw_y0, color);
Wizo 0:648b08cf7fe8 401 }
Wizo 0:648b08cf7fe8 402
Wizo 0:648b08cf7fe8 403 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
Wizo 0:648b08cf7fe8 404 pixel(draw_x1, draw_y1, color);
Wizo 0:648b08cf7fe8 405 }
Wizo 0:648b08cf7fe8 406
Wizo 0:648b08cf7fe8 407 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
Wizo 0:648b08cf7fe8 408 pixel(draw_x2, draw_y2, color);
Wizo 0:648b08cf7fe8 409 }
Wizo 0:648b08cf7fe8 410
Wizo 0:648b08cf7fe8 411 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
Wizo 0:648b08cf7fe8 412 pixel(draw_x3, draw_y3, color);
Wizo 0:648b08cf7fe8 413 }
Wizo 0:648b08cf7fe8 414
Wizo 0:648b08cf7fe8 415 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
Wizo 0:648b08cf7fe8 416 pixel(draw_x4, draw_y4, color);
Wizo 0:648b08cf7fe8 417 }
Wizo 0:648b08cf7fe8 418
Wizo 0:648b08cf7fe8 419 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
Wizo 0:648b08cf7fe8 420 pixel(draw_x5, draw_y5, color);
Wizo 0:648b08cf7fe8 421 }
Wizo 0:648b08cf7fe8 422 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
Wizo 0:648b08cf7fe8 423 pixel(draw_x6, draw_y6, color);
Wizo 0:648b08cf7fe8 424 }
Wizo 0:648b08cf7fe8 425 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
Wizo 0:648b08cf7fe8 426 pixel(draw_x7, draw_y7, color);
Wizo 0:648b08cf7fe8 427 }
Wizo 0:648b08cf7fe8 428 }
Wizo 0:648b08cf7fe8 429 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 430 }
Wizo 0:648b08cf7fe8 431
Wizo 0:648b08cf7fe8 432 void C12832::fillcircle(int x, int y, int r, int color)
Wizo 0:648b08cf7fe8 433 {
Wizo 0:648b08cf7fe8 434 int i,up;
Wizo 0:648b08cf7fe8 435 up = auto_up;
Wizo 0:648b08cf7fe8 436 auto_up = 0; // off
Wizo 0:648b08cf7fe8 437 for (i = 0; i <= r; i++)
Wizo 0:648b08cf7fe8 438 circle(x,y,i,color);
Wizo 0:648b08cf7fe8 439 auto_up = up;
Wizo 0:648b08cf7fe8 440 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 441 }
Wizo 0:648b08cf7fe8 442
Wizo 0:648b08cf7fe8 443 void C12832::setmode(int mode)
Wizo 0:648b08cf7fe8 444 {
Wizo 0:648b08cf7fe8 445 draw_mode = mode;
Wizo 0:648b08cf7fe8 446 }
Wizo 0:648b08cf7fe8 447
Wizo 0:648b08cf7fe8 448 void C12832::locate(int x, int y)
Wizo 0:648b08cf7fe8 449 {
Wizo 0:648b08cf7fe8 450 char_x = x;
Wizo 0:648b08cf7fe8 451 char_y = y;
Wizo 0:648b08cf7fe8 452 }
Wizo 0:648b08cf7fe8 453
Wizo 0:648b08cf7fe8 454
Wizo 0:648b08cf7fe8 455
Wizo 0:648b08cf7fe8 456 int C12832::columns()
Wizo 0:648b08cf7fe8 457 {
Wizo 0:648b08cf7fe8 458 return width() / font[1];
Wizo 0:648b08cf7fe8 459 }
Wizo 0:648b08cf7fe8 460
Wizo 0:648b08cf7fe8 461
Wizo 0:648b08cf7fe8 462
Wizo 0:648b08cf7fe8 463 int C12832::rows()
Wizo 0:648b08cf7fe8 464 {
Wizo 0:648b08cf7fe8 465 return height() / font[2];
Wizo 0:648b08cf7fe8 466 }
Wizo 0:648b08cf7fe8 467
Wizo 0:648b08cf7fe8 468
Wizo 0:648b08cf7fe8 469
Wizo 0:648b08cf7fe8 470 int C12832::_putc(int value)
Wizo 0:648b08cf7fe8 471 {
Wizo 0:648b08cf7fe8 472 if (value == '\n') { // new line
Wizo 0:648b08cf7fe8 473 char_x = 0;
Wizo 0:648b08cf7fe8 474 char_y = char_y + font[2];
Wizo 0:648b08cf7fe8 475 if (char_y >= height() - font[2]) {
Wizo 0:648b08cf7fe8 476 char_y = 0;
Wizo 0:648b08cf7fe8 477 }
Wizo 0:648b08cf7fe8 478 } else {
Wizo 0:648b08cf7fe8 479 character(char_x, char_y, value);
Wizo 0:648b08cf7fe8 480 if(auto_up) copy_to_lcd();
Wizo 0:648b08cf7fe8 481 }
Wizo 0:648b08cf7fe8 482 return value;
Wizo 0:648b08cf7fe8 483 }
Wizo 0:648b08cf7fe8 484
Wizo 0:648b08cf7fe8 485 void C12832::character(int x, int y, int c)
Wizo 0:648b08cf7fe8 486 {
Wizo 0:648b08cf7fe8 487 unsigned int hor,vert,offset,bpl,j,i,b;
Wizo 0:648b08cf7fe8 488 unsigned char* zeichen;
Wizo 0:648b08cf7fe8 489 unsigned char z,w;
Wizo 0:648b08cf7fe8 490
Wizo 0:648b08cf7fe8 491 if ((c < 31) || (c > 127)) return; // test char range
Wizo 0:648b08cf7fe8 492
Wizo 0:648b08cf7fe8 493 // read font parameter from start of array
Wizo 0:648b08cf7fe8 494 offset = font[0]; // bytes / char
Wizo 0:648b08cf7fe8 495 hor = font[1]; // get hor size of font
Wizo 0:648b08cf7fe8 496 vert = font[2]; // get vert size of font
Wizo 0:648b08cf7fe8 497 bpl = font[3]; // bytes per line
Wizo 0:648b08cf7fe8 498
Wizo 0:648b08cf7fe8 499 if (char_x + hor > width()) {
Wizo 0:648b08cf7fe8 500 char_x = 0;
Wizo 0:648b08cf7fe8 501 char_y = char_y + vert;
Wizo 0:648b08cf7fe8 502 if (char_y >= height() - font[2]) {
Wizo 0:648b08cf7fe8 503 char_y = 0;
Wizo 0:648b08cf7fe8 504 }
Wizo 0:648b08cf7fe8 505 }
Wizo 0:648b08cf7fe8 506
Wizo 0:648b08cf7fe8 507 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
Wizo 0:648b08cf7fe8 508 w = zeichen[0]; // width of actual char
Wizo 0:648b08cf7fe8 509 // construct the char into the buffer
Wizo 0:648b08cf7fe8 510 for (j=0; j<vert; j++) { // vert line
Wizo 0:648b08cf7fe8 511 for (i=0; i<hor; i++) { // horz line
Wizo 0:648b08cf7fe8 512 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
Wizo 0:648b08cf7fe8 513 b = 1 << (j & 0x07);
Wizo 0:648b08cf7fe8 514 if (( z & b ) == 0x00) {
Wizo 0:648b08cf7fe8 515 pixel(x+i,y+j,0);
Wizo 0:648b08cf7fe8 516 } else {
Wizo 0:648b08cf7fe8 517 pixel(x+i,y+j,1);
Wizo 0:648b08cf7fe8 518 }
Wizo 0:648b08cf7fe8 519
Wizo 0:648b08cf7fe8 520 }
Wizo 0:648b08cf7fe8 521 }
Wizo 0:648b08cf7fe8 522
Wizo 0:648b08cf7fe8 523 char_x += w;
Wizo 0:648b08cf7fe8 524 }
Wizo 0:648b08cf7fe8 525
Wizo 0:648b08cf7fe8 526
Wizo 0:648b08cf7fe8 527 void C12832::set_font(unsigned char* f)
Wizo 0:648b08cf7fe8 528 {
Wizo 0:648b08cf7fe8 529 font = f;
Wizo 0:648b08cf7fe8 530 }
Wizo 0:648b08cf7fe8 531
Wizo 0:648b08cf7fe8 532 void C12832::set_auto_up(unsigned int up)
Wizo 0:648b08cf7fe8 533 {
Wizo 0:648b08cf7fe8 534 if(up ) auto_up = 1;
Wizo 0:648b08cf7fe8 535 else auto_up = 0;
Wizo 0:648b08cf7fe8 536 }
Wizo 0:648b08cf7fe8 537
Wizo 0:648b08cf7fe8 538 unsigned int C12832::get_auto_up(void)
Wizo 0:648b08cf7fe8 539 {
Wizo 0:648b08cf7fe8 540 return (auto_up);
Wizo 0:648b08cf7fe8 541 }
Wizo 0:648b08cf7fe8 542
Wizo 0:648b08cf7fe8 543 void C12832::print_bm(Bitmap bm, int x, int y)
Wizo 0:648b08cf7fe8 544 {
Wizo 0:648b08cf7fe8 545 int h,v,b;
Wizo 0:648b08cf7fe8 546 char d;
Wizo 0:648b08cf7fe8 547
Wizo 0:648b08cf7fe8 548 for(v=0; v < bm.ySize; v++) { // lines
Wizo 0:648b08cf7fe8 549 for(h=0; h < bm.xSize; h++) { // pixel
Wizo 0:648b08cf7fe8 550 if(h + x > 127) break;
Wizo 0:648b08cf7fe8 551 if(v + y > 31) break;
Wizo 0:648b08cf7fe8 552 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
Wizo 0:648b08cf7fe8 553 b = 0x80 >> (h & 0x07);
Wizo 0:648b08cf7fe8 554 if((d & b) == 0) {
Wizo 0:648b08cf7fe8 555 pixel(x+h,y+v,0);
Wizo 0:648b08cf7fe8 556 } else {
Wizo 0:648b08cf7fe8 557 pixel(x+h,y+v,1);
Wizo 0:648b08cf7fe8 558 }
Wizo 0:648b08cf7fe8 559 }
Wizo 0:648b08cf7fe8 560 }
Wizo 0:648b08cf7fe8 561
Wizo 0:648b08cf7fe8 562 }
Wizo 0:648b08cf7fe8 563
Wizo 0:648b08cf7fe8 564