ban4jp - / sharp_mlcd

fixed library.

Dependents:   Sharp_Memory_LCD_Test hello_GT20L16J1Y_FONT_mlcd

Fork of sharp_mlcd by Masato YAMANISHI

sharp_mlcd.cpp@0:c99dda90f834, 2014-05-10 (annotated)

Committer:
masato
Date:
Sat May 10 15:32:38 2014 +0000
Revision:
0:c99dda90f834
Child:
1:f8ba3b236d12
working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
masato 0:c99dda90f834 1 /*
masato 0:c99dda90f834 2 * mbed library for the Sharp memory LCD LS027BDH01 / LS013B4DN04
masato 0:c99dda90f834 3 * derived from C12832_lcd
masato 0:c99dda90f834 4 * Copyright (c) 2014 Masato YAMANISHI
masato 0:c99dda90f834 5 * Released under the MIT License: http://mbed.org/license/mit
masato 0:c99dda90f834 6 */
masato 0:c99dda90f834 7
masato 0:c99dda90f834 8 /* mbed library for the mbed Lab Board 128*32 pixel LCD
masato 0:c99dda90f834 9 * use C12832 controller
masato 0:c99dda90f834 10 * Copyright (c) 2012 Peter Drescher - DC2PD
masato 0:c99dda90f834 11 * Released under the MIT License: http://mbed.org/license/mit
masato 0:c99dda90f834 12 *
masato 0:c99dda90f834 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
masato 0:c99dda90f834 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
masato 0:c99dda90f834 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
masato 0:c99dda90f834 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
masato 0:c99dda90f834 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
masato 0:c99dda90f834 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
masato 0:c99dda90f834 19 * THE SOFTWARE.
masato 0:c99dda90f834 20 */
masato 0:c99dda90f834 21
masato 0:c99dda90f834 22 // 13.10.12 initial design
masato 0:c99dda90f834 23 // 25.10.12 add autorefresh of screen
masato 0:c99dda90f834 24 // 25.10.12 add standart font
masato 0:c99dda90f834 25 // 20.12.12 add bitmap graphics
masato 0:c99dda90f834 26
masato 0:c99dda90f834 27 // optional defines :
masato 0:c99dda90f834 28 // #define debug_lcd 1
masato 0:c99dda90f834 29
masato 0:c99dda90f834 30 // #include "mbed.h"
masato 0:c99dda90f834 31 #include "sharp_mlcd.h"
masato 0:c99dda90f834 32 #include "stdio.h"
masato 0:c99dda90f834 33 #include "Small_7.h"
masato 0:c99dda90f834 34
masato 0:c99dda90f834 35 sharp_mlcd::sharp_mlcd(const char* name)
masato 0:c99dda90f834 36 : _spi(D11,NC,D13),_EXTCOM(D9),_DISP(D8),_CS(D10), GraphicsDisplay(name) // for nucleo L152RE or other
masato 0:c99dda90f834 37 {
masato 0:c99dda90f834 38 draw_mode = NORMAL;
masato 0:c99dda90f834 39 char_x = 0;
masato 0:c99dda90f834 40 lcd_reset();
masato 0:c99dda90f834 41 }
masato 0:c99dda90f834 42
masato 0:c99dda90f834 43 int sharp_mlcd::width()
masato 0:c99dda90f834 44 {
masato 0:c99dda90f834 45 return WIDTH;
masato 0:c99dda90f834 46 }
masato 0:c99dda90f834 47
masato 0:c99dda90f834 48 int sharp_mlcd::height()
masato 0:c99dda90f834 49 {
masato 0:c99dda90f834 50 return HEIGHT; // 32;
masato 0:c99dda90f834 51 }
masato 0:c99dda90f834 52
masato 0:c99dda90f834 53 // write command to lcd controller
masato 0:c99dda90f834 54
masato 0:c99dda90f834 55
masato 0:c99dda90f834 56 // reset and init the lcd controller
masato 0:c99dda90f834 57
masato 0:c99dda90f834 58 void sharp_mlcd::lcd_reset()
masato 0:c99dda90f834 59 {
masato 0:c99dda90f834 60 _CS = 0;
masato 0:c99dda90f834 61 _spi.format(8, 0); // 8 bit spi mode 0
masato 0:c99dda90f834 62 _spi.frequency(2000000); // 2 Mhz SPI clock
masato 0:c99dda90f834 63 _DISP = 1;
masato 0:c99dda90f834 64 flip = 0;
masato 0:c99dda90f834 65 // timer.attach(attime, 0.5); // 1KHz
masato 0:c99dda90f834 66
masato 0:c99dda90f834 67 _CS = 1;
masato 0:c99dda90f834 68 wait_us(4);
masato 0:c99dda90f834 69 _spi.write(0x20); // 0x20:clear 0x00:run
masato 0:c99dda90f834 70 _spi.write(0); // dummy
masato 0:c99dda90f834 71 wait_us(2);
masato 0:c99dda90f834 72 _CS = 0;
masato 0:c99dda90f834 73
masato 0:c99dda90f834 74 // clear and update LCD
masato 0:c99dda90f834 75 cls();
masato 0:c99dda90f834 76 // memset(buffer,0xff,BUFFER_SIZE); // clear display buffer
masato 0:c99dda90f834 77 // copy_to_lcd();
masato 0:c99dda90f834 78 auto_up = 1; // switch on auto update
masato 0:c99dda90f834 79 // dont do this by default. Make the user call
masato 0:c99dda90f834 80 //claim(stdout); // redirekt printf to lcd
masato 0:c99dda90f834 81 locate(0,0);
masato 0:c99dda90f834 82 set_font((unsigned char*)Small_7); // standart font
masato 0:c99dda90f834 83 }
masato 0:c99dda90f834 84
masato 0:c99dda90f834 85 // set one pixel in buffer
masato 0:c99dda90f834 86
masato 0:c99dda90f834 87 void sharp_mlcd::pixel(int x, int y, int color)
masato 0:c99dda90f834 88 {
masato 0:c99dda90f834 89 // first check parameter
masato 0:c99dda90f834 90 if(x > WIDTH || y > HEIGHT || x < 0 || y < 0) return;
masato 0:c99dda90f834 91
masato 0:c99dda90f834 92 if(draw_mode == NORMAL) {
masato 0:c99dda90f834 93 if(color == 0)
masato 0:c99dda90f834 94 buffer[x/8 + (y*WIDTH/8)] &= ~(1 << (7-(x%8))); // set pixel
masato 0:c99dda90f834 95 else
masato 0:c99dda90f834 96 buffer[x/8 + (y*WIDTH/8)] |= (1 << (7-(x%8))); // erase pixel
masato 0:c99dda90f834 97 } else { // XOR mode
masato 0:c99dda90f834 98 if(color == 1)
masato 0:c99dda90f834 99 buffer[x/8 + (y*WIDTH/8)] ^= (1 << (7-(x%8))); // xor pixel
masato 0:c99dda90f834 100 }
masato 0:c99dda90f834 101 }
masato 0:c99dda90f834 102
masato 0:c99dda90f834 103 // update lcd
masato 0:c99dda90f834 104
masato 0:c99dda90f834 105 void sharp_mlcd::attime() {
masato 0:c99dda90f834 106 flip = !flip;
masato 0:c99dda90f834 107 _EXTCOM = flip;
masato 0:c99dda90f834 108 }
masato 0:c99dda90f834 109
masato 0:c99dda90f834 110 unsigned char sharp_mlcd::bit_reverse(unsigned char c) {
masato 0:c99dda90f834 111 unsigned char u=0; // c = TESTVALUE;
masato 0:c99dda90f834 112 int i;
masato 0:c99dda90f834 113
masato 0:c99dda90f834 114 for (i=0 ; i<4 ; i++)
masato 0:c99dda90f834 115 u |= ((c & (1 << i)) << (7-2*i)) | ((c & (1 << 7-i)) >> (7-2*i));
masato 0:c99dda90f834 116 return u;
masato 0:c99dda90f834 117 }
masato 0:c99dda90f834 118
masato 0:c99dda90f834 119 void sharp_mlcd::copy_to_lcd(void)
masato 0:c99dda90f834 120 {
masato 0:c99dda90f834 121 const int start = 0;
masato 0:c99dda90f834 122 int x, y;
masato 0:c99dda90f834 123 unsigned char *p = (unsigned char*)buffer; // image;
masato 0:c99dda90f834 124
masato 0:c99dda90f834 125 _CS = 1;
masato 0:c99dda90f834 126 wait_us(4); // min 3us
masato 0:c99dda90f834 127 //
masato 0:c99dda90f834 128 for (y = 0; y < HEIGHT; y++) {
masato 0:c99dda90f834 129 _spi.write(0x80); // update mode (multi line)
masato 0:c99dda90f834 130 _spi.write(bit_reverse((y + 1 + start) % HEIGHT)); // set gate line address
masato 0:c99dda90f834 131 for (x = 0; x < (WIDTH / 8); x++) {
masato 0:c99dda90f834 132 _spi.write(*p++); // (((y / 8) + x + mode) % 2)? 0xff: 0);
masato 0:c99dda90f834 133 }
masato 0:c99dda90f834 134 }
masato 0:c99dda90f834 135 //
masato 0:c99dda90f834 136 wait_us(2); // min 1us
masato 0:c99dda90f834 137 _CS = 0;
masato 0:c99dda90f834 138 }
masato 0:c99dda90f834 139
masato 0:c99dda90f834 140 void sharp_mlcd::cls(void)
masato 0:c99dda90f834 141 {
masato 0:c99dda90f834 142 memset(buffer,0x00,BUFFER_SIZE); // clear display buffer
masato 0:c99dda90f834 143 copy_to_lcd();
masato 0:c99dda90f834 144 }
masato 0:c99dda90f834 145
masato 0:c99dda90f834 146
masato 0:c99dda90f834 147 void sharp_mlcd::line(int x0, int y0, int x1, int y1, int color)
masato 0:c99dda90f834 148 {
masato 0:c99dda90f834 149 int dx = 0, dy = 0;
masato 0:c99dda90f834 150 int dx_sym = 0, dy_sym = 0;
masato 0:c99dda90f834 151 int dx_x2 = 0, dy_x2 = 0;
masato 0:c99dda90f834 152 int di = 0;
masato 0:c99dda90f834 153
masato 0:c99dda90f834 154 dx = x1-x0;
masato 0:c99dda90f834 155 dy = y1-y0;
masato 0:c99dda90f834 156
masato 0:c99dda90f834 157 // if (dx == 0) { /* vertical line */
masato 0:c99dda90f834 158 // if (y1 > y0) vline(x0,y0,y1,color);
masato 0:c99dda90f834 159 // else vline(x0,y1,y0,color);
masato 0:c99dda90f834 160 // return;
masato 0:c99dda90f834 161 // }
masato 0:c99dda90f834 162
masato 0:c99dda90f834 163 if (dx > 0) {
masato 0:c99dda90f834 164 dx_sym = 1;
masato 0:c99dda90f834 165 } else {
masato 0:c99dda90f834 166 dx_sym = -1;
masato 0:c99dda90f834 167 }
masato 0:c99dda90f834 168 // if (dy == 0) { /* horizontal line */
masato 0:c99dda90f834 169 // if (x1 > x0) hline(x0,x1,y0,color);
masato 0:c99dda90f834 170 // else hline(x1,x0,y0,color);
masato 0:c99dda90f834 171 // return;
masato 0:c99dda90f834 172 // }
masato 0:c99dda90f834 173
masato 0:c99dda90f834 174 if (dy > 0) {
masato 0:c99dda90f834 175 dy_sym = 1;
masato 0:c99dda90f834 176 } else {
masato 0:c99dda90f834 177 dy_sym = -1;
masato 0:c99dda90f834 178 }
masato 0:c99dda90f834 179
masato 0:c99dda90f834 180 dx = dx_sym*dx;
masato 0:c99dda90f834 181 dy = dy_sym*dy;
masato 0:c99dda90f834 182
masato 0:c99dda90f834 183 dx_x2 = dx*2;
masato 0:c99dda90f834 184 dy_x2 = dy*2;
masato 0:c99dda90f834 185
masato 0:c99dda90f834 186 if (dx >= dy) {
masato 0:c99dda90f834 187 di = dy_x2 - dx;
masato 0:c99dda90f834 188 while (x0 != x1) {
masato 0:c99dda90f834 189
masato 0:c99dda90f834 190 pixel(x0, y0, color);
masato 0:c99dda90f834 191 x0 += dx_sym;
masato 0:c99dda90f834 192 if (di<0) {
masato 0:c99dda90f834 193 di += dy_x2;
masato 0:c99dda90f834 194 } else {
masato 0:c99dda90f834 195 di += dy_x2 - dx_x2;
masato 0:c99dda90f834 196 y0 += dy_sym;
masato 0:c99dda90f834 197 }
masato 0:c99dda90f834 198 }
masato 0:c99dda90f834 199 pixel(x0, y0, color);
masato 0:c99dda90f834 200 } else {
masato 0:c99dda90f834 201 di = dx_x2 - dy;
masato 0:c99dda90f834 202 while (y0 != y1) {
masato 0:c99dda90f834 203 pixel(x0, y0, color);
masato 0:c99dda90f834 204 y0 += dy_sym;
masato 0:c99dda90f834 205 if (di < 0) {
masato 0:c99dda90f834 206 di += dx_x2;
masato 0:c99dda90f834 207 } else {
masato 0:c99dda90f834 208 di += dx_x2 - dy_x2;
masato 0:c99dda90f834 209 x0 += dx_sym;
masato 0:c99dda90f834 210 }
masato 0:c99dda90f834 211 }
masato 0:c99dda90f834 212 pixel(x0, y0, color);
masato 0:c99dda90f834 213 }
masato 0:c99dda90f834 214 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 215 }
masato 0:c99dda90f834 216
masato 0:c99dda90f834 217 void sharp_mlcd::rect(int x0, int y0, int x1, int y1, int color)
masato 0:c99dda90f834 218 {
masato 0:c99dda90f834 219
masato 0:c99dda90f834 220 if (x1 > x0) line(x0,y0,x1,y0,color);
masato 0:c99dda90f834 221 else line(x1,y0,x0,y0,color);
masato 0:c99dda90f834 222
masato 0:c99dda90f834 223 if (y1 > y0) line(x0,y0,x0,y1,color);
masato 0:c99dda90f834 224 else line(x0,y1,x0,y0,color);
masato 0:c99dda90f834 225
masato 0:c99dda90f834 226 if (x1 > x0) line(x0,y1,x1,y1,color);
masato 0:c99dda90f834 227 else line(x1,y1,x0,y1,color);
masato 0:c99dda90f834 228
masato 0:c99dda90f834 229 if (y1 > y0) line(x1,y0,x1,y1,color);
masato 0:c99dda90f834 230 else line(x1,y1,x1,y0,color);
masato 0:c99dda90f834 231
masato 0:c99dda90f834 232 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 233 }
masato 0:c99dda90f834 234
masato 0:c99dda90f834 235 void sharp_mlcd::fillrect(int x0, int y0, int x1, int y1, int color)
masato 0:c99dda90f834 236 {
masato 0:c99dda90f834 237 int l,c,i;
masato 0:c99dda90f834 238 if(x0 > x1) {
masato 0:c99dda90f834 239 i = x0;
masato 0:c99dda90f834 240 x0 = x1;
masato 0:c99dda90f834 241 x1 = i;
masato 0:c99dda90f834 242 }
masato 0:c99dda90f834 243
masato 0:c99dda90f834 244 if(y0 > y1) {
masato 0:c99dda90f834 245 i = y0;
masato 0:c99dda90f834 246 y0 = y1;
masato 0:c99dda90f834 247 y1 = i;
masato 0:c99dda90f834 248 }
masato 0:c99dda90f834 249
masato 0:c99dda90f834 250 for(l = x0; l<= x1; l ++) {
masato 0:c99dda90f834 251 for(c = y0; c<= y1; c++) {
masato 0:c99dda90f834 252 pixel(l,c,color);
masato 0:c99dda90f834 253 }
masato 0:c99dda90f834 254 }
masato 0:c99dda90f834 255 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 256 }
masato 0:c99dda90f834 257
masato 0:c99dda90f834 258
masato 0:c99dda90f834 259
masato 0:c99dda90f834 260 void sharp_mlcd::circle(int x0, int y0, int r, int color)
masato 0:c99dda90f834 261 {
masato 0:c99dda90f834 262
masato 0:c99dda90f834 263 int draw_x0, draw_y0;
masato 0:c99dda90f834 264 int draw_x1, draw_y1;
masato 0:c99dda90f834 265 int draw_x2, draw_y2;
masato 0:c99dda90f834 266 int draw_x3, draw_y3;
masato 0:c99dda90f834 267 int draw_x4, draw_y4;
masato 0:c99dda90f834 268 int draw_x5, draw_y5;
masato 0:c99dda90f834 269 int draw_x6, draw_y6;
masato 0:c99dda90f834 270 int draw_x7, draw_y7;
masato 0:c99dda90f834 271 int xx, yy;
masato 0:c99dda90f834 272 int di;
masato 0:c99dda90f834 273 //WindowMax();
masato 0:c99dda90f834 274 if (r == 0) { /* no radius */
masato 0:c99dda90f834 275 return;
masato 0:c99dda90f834 276 }
masato 0:c99dda90f834 277
masato 0:c99dda90f834 278 draw_x0 = draw_x1 = x0;
masato 0:c99dda90f834 279 draw_y0 = draw_y1 = y0 + r;
masato 0:c99dda90f834 280 if (draw_y0 < height()) {
masato 0:c99dda90f834 281 pixel(draw_x0, draw_y0, color); /* 90 degree */
masato 0:c99dda90f834 282 }
masato 0:c99dda90f834 283
masato 0:c99dda90f834 284 draw_x2 = draw_x3 = x0;
masato 0:c99dda90f834 285 draw_y2 = draw_y3 = y0 - r;
masato 0:c99dda90f834 286 if (draw_y2 >= 0) {
masato 0:c99dda90f834 287 pixel(draw_x2, draw_y2, color); /* 270 degree */
masato 0:c99dda90f834 288 }
masato 0:c99dda90f834 289
masato 0:c99dda90f834 290 draw_x4 = draw_x6 = x0 + r;
masato 0:c99dda90f834 291 draw_y4 = draw_y6 = y0;
masato 0:c99dda90f834 292 if (draw_x4 < width()) {
masato 0:c99dda90f834 293 pixel(draw_x4, draw_y4, color); /* 0 degree */
masato 0:c99dda90f834 294 }
masato 0:c99dda90f834 295
masato 0:c99dda90f834 296 draw_x5 = draw_x7 = x0 - r;
masato 0:c99dda90f834 297 draw_y5 = draw_y7 = y0;
masato 0:c99dda90f834 298 if (draw_x5>=0) {
masato 0:c99dda90f834 299 pixel(draw_x5, draw_y5, color); /* 180 degree */
masato 0:c99dda90f834 300 }
masato 0:c99dda90f834 301
masato 0:c99dda90f834 302 if (r == 1) {
masato 0:c99dda90f834 303 return;
masato 0:c99dda90f834 304 }
masato 0:c99dda90f834 305
masato 0:c99dda90f834 306 di = 3 - 2*r;
masato 0:c99dda90f834 307 xx = 0;
masato 0:c99dda90f834 308 yy = r;
masato 0:c99dda90f834 309 while (xx < yy) {
masato 0:c99dda90f834 310
masato 0:c99dda90f834 311 if (di < 0) {
masato 0:c99dda90f834 312 di += 4*xx + 6;
masato 0:c99dda90f834 313 } else {
masato 0:c99dda90f834 314 di += 4*(xx - yy) + 10;
masato 0:c99dda90f834 315 yy--;
masato 0:c99dda90f834 316 draw_y0--;
masato 0:c99dda90f834 317 draw_y1--;
masato 0:c99dda90f834 318 draw_y2++;
masato 0:c99dda90f834 319 draw_y3++;
masato 0:c99dda90f834 320 draw_x4--;
masato 0:c99dda90f834 321 draw_x5++;
masato 0:c99dda90f834 322 draw_x6--;
masato 0:c99dda90f834 323 draw_x7++;
masato 0:c99dda90f834 324 }
masato 0:c99dda90f834 325 xx++;
masato 0:c99dda90f834 326 draw_x0++;
masato 0:c99dda90f834 327 draw_x1--;
masato 0:c99dda90f834 328 draw_x2++;
masato 0:c99dda90f834 329 draw_x3--;
masato 0:c99dda90f834 330 draw_y4++;
masato 0:c99dda90f834 331 draw_y5++;
masato 0:c99dda90f834 332 draw_y6--;
masato 0:c99dda90f834 333 draw_y7--;
masato 0:c99dda90f834 334
masato 0:c99dda90f834 335 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
masato 0:c99dda90f834 336 pixel(draw_x0, draw_y0, color);
masato 0:c99dda90f834 337 }
masato 0:c99dda90f834 338
masato 0:c99dda90f834 339 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
masato 0:c99dda90f834 340 pixel(draw_x1, draw_y1, color);
masato 0:c99dda90f834 341 }
masato 0:c99dda90f834 342
masato 0:c99dda90f834 343 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
masato 0:c99dda90f834 344 pixel(draw_x2, draw_y2, color);
masato 0:c99dda90f834 345 }
masato 0:c99dda90f834 346
masato 0:c99dda90f834 347 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
masato 0:c99dda90f834 348 pixel(draw_x3, draw_y3, color);
masato 0:c99dda90f834 349 }
masato 0:c99dda90f834 350
masato 0:c99dda90f834 351 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
masato 0:c99dda90f834 352 pixel(draw_x4, draw_y4, color);
masato 0:c99dda90f834 353 }
masato 0:c99dda90f834 354
masato 0:c99dda90f834 355 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
masato 0:c99dda90f834 356 pixel(draw_x5, draw_y5, color);
masato 0:c99dda90f834 357 }
masato 0:c99dda90f834 358 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
masato 0:c99dda90f834 359 pixel(draw_x6, draw_y6, color);
masato 0:c99dda90f834 360 }
masato 0:c99dda90f834 361 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
masato 0:c99dda90f834 362 pixel(draw_x7, draw_y7, color);
masato 0:c99dda90f834 363 }
masato 0:c99dda90f834 364 }
masato 0:c99dda90f834 365 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 366 }
masato 0:c99dda90f834 367
masato 0:c99dda90f834 368 void sharp_mlcd::fillcircle(int x, int y, int r, int color)
masato 0:c99dda90f834 369 {
masato 0:c99dda90f834 370 int i,up;
masato 0:c99dda90f834 371 up = auto_up;
masato 0:c99dda90f834 372 auto_up = 0; // off
masato 0:c99dda90f834 373 for (i = 0; i <= r; i++)
masato 0:c99dda90f834 374 circle(x,y,i,color);
masato 0:c99dda90f834 375 auto_up = up;
masato 0:c99dda90f834 376 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 377 }
masato 0:c99dda90f834 378
masato 0:c99dda90f834 379 void sharp_mlcd::setmode(int mode)
masato 0:c99dda90f834 380 {
masato 0:c99dda90f834 381 draw_mode = mode;
masato 0:c99dda90f834 382 }
masato 0:c99dda90f834 383
masato 0:c99dda90f834 384 void sharp_mlcd::locate(int x, int y)
masato 0:c99dda90f834 385 {
masato 0:c99dda90f834 386 char_x = x;
masato 0:c99dda90f834 387 char_y = y;
masato 0:c99dda90f834 388 }
masato 0:c99dda90f834 389
masato 0:c99dda90f834 390
masato 0:c99dda90f834 391
masato 0:c99dda90f834 392 int sharp_mlcd::columns()
masato 0:c99dda90f834 393 {
masato 0:c99dda90f834 394 return width() / font[1];
masato 0:c99dda90f834 395 }
masato 0:c99dda90f834 396
masato 0:c99dda90f834 397
masato 0:c99dda90f834 398
masato 0:c99dda90f834 399 int sharp_mlcd::rows()
masato 0:c99dda90f834 400 {
masato 0:c99dda90f834 401 return height() / font[2];
masato 0:c99dda90f834 402 }
masato 0:c99dda90f834 403
masato 0:c99dda90f834 404
masato 0:c99dda90f834 405
masato 0:c99dda90f834 406 int sharp_mlcd::_putc(int value)
masato 0:c99dda90f834 407 {
masato 0:c99dda90f834 408 if (value == '\n') { // new line
masato 0:c99dda90f834 409 char_x = 0;
masato 0:c99dda90f834 410 char_y = char_y + font[2];
masato 0:c99dda90f834 411 if (char_y >= height() - font[2]) {
masato 0:c99dda90f834 412 char_y = 0;
masato 0:c99dda90f834 413 }
masato 0:c99dda90f834 414 } else {
masato 0:c99dda90f834 415 character(char_x, char_y, value);
masato 0:c99dda90f834 416 if(auto_up) copy_to_lcd();
masato 0:c99dda90f834 417 }
masato 0:c99dda90f834 418 return value;
masato 0:c99dda90f834 419 }
masato 0:c99dda90f834 420
masato 0:c99dda90f834 421 void sharp_mlcd::character(int x, int y, int c)
masato 0:c99dda90f834 422 {
masato 0:c99dda90f834 423 unsigned int hor,vert,offset,bpl,j,i,b;
masato 0:c99dda90f834 424 unsigned char* zeichen;
masato 0:c99dda90f834 425 unsigned char z,w;
masato 0:c99dda90f834 426
masato 0:c99dda90f834 427 if ((c < 31) || (c > 127)) return; // test char range
masato 0:c99dda90f834 428
masato 0:c99dda90f834 429 // read font parameter from start of array
masato 0:c99dda90f834 430 offset = font[0]; // bytes / char
masato 0:c99dda90f834 431 hor = font[1]; // get hor size of font
masato 0:c99dda90f834 432 vert = font[2]; // get vert size of font
masato 0:c99dda90f834 433 bpl = font[3]; // bytes per line
masato 0:c99dda90f834 434
masato 0:c99dda90f834 435 if (char_x + hor > width()) {
masato 0:c99dda90f834 436 char_x = 0;
masato 0:c99dda90f834 437 char_y = char_y + vert;
masato 0:c99dda90f834 438 if (char_y >= height() - font[2]) {
masato 0:c99dda90f834 439 char_y = 0;
masato 0:c99dda90f834 440 }
masato 0:c99dda90f834 441 }
masato 0:c99dda90f834 442
masato 0:c99dda90f834 443 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
masato 0:c99dda90f834 444 w = zeichen[0]; // width of actual char
masato 0:c99dda90f834 445 // construct the char into the buffer
masato 0:c99dda90f834 446 for (j=0; j<vert; j++) { // vert line
masato 0:c99dda90f834 447 for (i=0; i<hor; i++) { // horz line
masato 0:c99dda90f834 448 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
masato 0:c99dda90f834 449 b = 1 << (j & 0x07);
masato 0:c99dda90f834 450 if (( z & b ) == 0x00) {
masato 0:c99dda90f834 451 pixel(x+i,y+j,0);
masato 0:c99dda90f834 452 } else {
masato 0:c99dda90f834 453 pixel(x+i,y+j,1);
masato 0:c99dda90f834 454 }
masato 0:c99dda90f834 455
masato 0:c99dda90f834 456 }
masato 0:c99dda90f834 457 }
masato 0:c99dda90f834 458
masato 0:c99dda90f834 459 char_x += w;
masato 0:c99dda90f834 460 }
masato 0:c99dda90f834 461
masato 0:c99dda90f834 462 void sharp_mlcd::set_font(unsigned char* f)
masato 0:c99dda90f834 463 {
masato 0:c99dda90f834 464 font = f;
masato 0:c99dda90f834 465 }
masato 0:c99dda90f834 466
masato 0:c99dda90f834 467 void sharp_mlcd::set_auto_up(unsigned int up)
masato 0:c99dda90f834 468 {
masato 0:c99dda90f834 469 if(up ) auto_up = 1;
masato 0:c99dda90f834 470 else auto_up = 0;
masato 0:c99dda90f834 471 }
masato 0:c99dda90f834 472
masato 0:c99dda90f834 473 unsigned int sharp_mlcd::get_auto_up(void)
masato 0:c99dda90f834 474 {
masato 0:c99dda90f834 475 return (auto_up);
masato 0:c99dda90f834 476 }
masato 0:c99dda90f834 477
masato 0:c99dda90f834 478 void sharp_mlcd::print_bm(Bitmap bm, int x, int y)
masato 0:c99dda90f834 479 {
masato 0:c99dda90f834 480 int h,v,b;
masato 0:c99dda90f834 481 char d;
masato 0:c99dda90f834 482
masato 0:c99dda90f834 483 for(v=0; v < bm.ySize; v++) { // lines
masato 0:c99dda90f834 484 for(h=0; h < bm.xSize; h++) { // pixel
masato 0:c99dda90f834 485 if(h + x > WIDTH-1) break;
masato 0:c99dda90f834 486 if(v + y > HEIGHT-1) break;
masato 0:c99dda90f834 487 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
masato 0:c99dda90f834 488 b = 0x80 >> (h & 0x07);
masato 0:c99dda90f834 489 if((d & b) == 0) {
masato 0:c99dda90f834 490 pixel(x+h,y+v,0);
masato 0:c99dda90f834 491 } else {
masato 0:c99dda90f834 492 pixel(x+h,y+v,1);
masato 0:c99dda90f834 493 }
masato 0:c99dda90f834 494 }
masato 0:c99dda90f834 495 }
masato 0:c99dda90f834 496 }
masato 0:c99dda90f834 497