Alan Ffrench / Mbed 2 deprecated Experiment_2_3_1

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Dependencies:   mbed

C12832/C12832.cpp@0:08877fa55d02, 2020-07-29 (annotated)

Committer:
alanffrench
Date:
Wed Jul 29 18:48:17 2020 +0000
Revision:
0:08877fa55d02
Debouncing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alanffrench 0:08877fa55d02 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
alanffrench 0:08877fa55d02 2 * use C12832 controller
alanffrench 0:08877fa55d02 3 * Copyright (c) 2012 Peter Drescher - DC2PD
alanffrench 0:08877fa55d02 4 * Released under the MIT License: http://mbed.org/license/mit
alanffrench 0:08877fa55d02 5 *
alanffrench 0:08877fa55d02 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
alanffrench 0:08877fa55d02 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
alanffrench 0:08877fa55d02 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
alanffrench 0:08877fa55d02 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
alanffrench 0:08877fa55d02 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
alanffrench 0:08877fa55d02 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
alanffrench 0:08877fa55d02 12 * THE SOFTWARE.
alanffrench 0:08877fa55d02 13 */
alanffrench 0:08877fa55d02 14
alanffrench 0:08877fa55d02 15 // 13.10.12 initial design
alanffrench 0:08877fa55d02 16 // 25.10.12 add autorefresh of screen
alanffrench 0:08877fa55d02 17 // 25.10.12 add standart font
alanffrench 0:08877fa55d02 18 // 20.12.12 add bitmap graphics
alanffrench 0:08877fa55d02 19
alanffrench 0:08877fa55d02 20 // optional defines :
alanffrench 0:08877fa55d02 21 // #define debug_lcd 1
alanffrench 0:08877fa55d02 22
alanffrench 0:08877fa55d02 23 #include "C12832.h"
alanffrench 0:08877fa55d02 24 #include "mbed.h"
alanffrench 0:08877fa55d02 25 #include "stdio.h"
alanffrench 0:08877fa55d02 26 #include "Small_7.h"
alanffrench 0:08877fa55d02 27
alanffrench 0:08877fa55d02 28 #define BPP 1 // Bits per pixel
alanffrench 0:08877fa55d02 29
alanffrench 0:08877fa55d02 30
alanffrench 0:08877fa55d02 31 C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name)
alanffrench 0:08877fa55d02 32 : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs),GraphicsDisplay(name)
alanffrench 0:08877fa55d02 33 {
alanffrench 0:08877fa55d02 34 orientation = 1;
alanffrench 0:08877fa55d02 35 draw_mode = NORMAL;
alanffrench 0:08877fa55d02 36 char_x = 0;
alanffrench 0:08877fa55d02 37 lcd_reset();
alanffrench 0:08877fa55d02 38 }
alanffrench 0:08877fa55d02 39
alanffrench 0:08877fa55d02 40
alanffrench 0:08877fa55d02 41 int C12832::width()
alanffrench 0:08877fa55d02 42 {
alanffrench 0:08877fa55d02 43 if (orientation == 0 || orientation == 2) return 32;
alanffrench 0:08877fa55d02 44 else return 128;
alanffrench 0:08877fa55d02 45 }
alanffrench 0:08877fa55d02 46
alanffrench 0:08877fa55d02 47 int C12832::height()
alanffrench 0:08877fa55d02 48 {
alanffrench 0:08877fa55d02 49 if (orientation == 0 || orientation == 2) return 128;
alanffrench 0:08877fa55d02 50 else return 32;
alanffrench 0:08877fa55d02 51 }
alanffrench 0:08877fa55d02 52
alanffrench 0:08877fa55d02 53
alanffrench 0:08877fa55d02 54 void C12832::invert(unsigned int o)
alanffrench 0:08877fa55d02 55 {
alanffrench 0:08877fa55d02 56 if(o == 0) wr_cmd(0xA6);
alanffrench 0:08877fa55d02 57 else wr_cmd(0xA7);
alanffrench 0:08877fa55d02 58 }
alanffrench 0:08877fa55d02 59
alanffrench 0:08877fa55d02 60
alanffrench 0:08877fa55d02 61 void C12832::set_contrast(unsigned int o)
alanffrench 0:08877fa55d02 62 {
alanffrench 0:08877fa55d02 63 contrast = o;
alanffrench 0:08877fa55d02 64 wr_cmd(0x81); // set volume
alanffrench 0:08877fa55d02 65 wr_cmd(o & 0x3F);
alanffrench 0:08877fa55d02 66 }
alanffrench 0:08877fa55d02 67
alanffrench 0:08877fa55d02 68 unsigned int C12832::get_contrast(void)
alanffrench 0:08877fa55d02 69 {
alanffrench 0:08877fa55d02 70 return(contrast);
alanffrench 0:08877fa55d02 71 }
alanffrench 0:08877fa55d02 72
alanffrench 0:08877fa55d02 73
alanffrench 0:08877fa55d02 74 // write command to lcd controller
alanffrench 0:08877fa55d02 75
alanffrench 0:08877fa55d02 76 void C12832::wr_cmd(unsigned char cmd)
alanffrench 0:08877fa55d02 77 {
alanffrench 0:08877fa55d02 78 _A0 = 0;
alanffrench 0:08877fa55d02 79 _CS = 0;
alanffrench 0:08877fa55d02 80 _spi.write(cmd);
alanffrench 0:08877fa55d02 81 _CS = 1;
alanffrench 0:08877fa55d02 82 }
alanffrench 0:08877fa55d02 83
alanffrench 0:08877fa55d02 84 // write data to lcd controller
alanffrench 0:08877fa55d02 85
alanffrench 0:08877fa55d02 86 void C12832::wr_dat(unsigned char dat)
alanffrench 0:08877fa55d02 87 {
alanffrench 0:08877fa55d02 88 _A0 = 1;
alanffrench 0:08877fa55d02 89 _CS = 0;
alanffrench 0:08877fa55d02 90 _spi.write(dat);
alanffrench 0:08877fa55d02 91 _CS = 1;
alanffrench 0:08877fa55d02 92 }
alanffrench 0:08877fa55d02 93
alanffrench 0:08877fa55d02 94 // reset and init the lcd controller
alanffrench 0:08877fa55d02 95
alanffrench 0:08877fa55d02 96 void C12832::lcd_reset()
alanffrench 0:08877fa55d02 97 {
alanffrench 0:08877fa55d02 98
alanffrench 0:08877fa55d02 99 _spi.format(8,3); // 8 bit spi mode 3
alanffrench 0:08877fa55d02 100 _spi.frequency(20000000); // 19,2 Mhz SPI clock
alanffrench 0:08877fa55d02 101 _A0 = 0;
alanffrench 0:08877fa55d02 102 _CS = 1;
alanffrench 0:08877fa55d02 103 _reset = 0; // display reset
alanffrench 0:08877fa55d02 104 wait_us(50);
alanffrench 0:08877fa55d02 105 _reset = 1; // end reset
alanffrench 0:08877fa55d02 106 wait_ms(5);
alanffrench 0:08877fa55d02 107
alanffrench 0:08877fa55d02 108 /* Start Initial Sequence ----------------------------------------------------*/
alanffrench 0:08877fa55d02 109
alanffrench 0:08877fa55d02 110 wr_cmd(0xAE); // display off
alanffrench 0:08877fa55d02 111 wr_cmd(0xA2); // bias voltage
alanffrench 0:08877fa55d02 112
alanffrench 0:08877fa55d02 113 wr_cmd(0xA0);
alanffrench 0:08877fa55d02 114 wr_cmd(0xC8); // colum normal
alanffrench 0:08877fa55d02 115
alanffrench 0:08877fa55d02 116 wr_cmd(0x22); // voltage resistor ratio
alanffrench 0:08877fa55d02 117 wr_cmd(0x2F); // power on
alanffrench 0:08877fa55d02 118 //wr_cmd(0xA4); // LCD display ram
alanffrench 0:08877fa55d02 119 wr_cmd(0x40); // start line = 0
alanffrench 0:08877fa55d02 120 wr_cmd(0xAF); // display ON
alanffrench 0:08877fa55d02 121
alanffrench 0:08877fa55d02 122 wr_cmd(0x81); // set contrast
alanffrench 0:08877fa55d02 123 wr_cmd(0x17); // set contrast
alanffrench 0:08877fa55d02 124
alanffrench 0:08877fa55d02 125 wr_cmd(0xA6); // display normal
alanffrench 0:08877fa55d02 126
alanffrench 0:08877fa55d02 127
alanffrench 0:08877fa55d02 128 // clear and update LCD
alanffrench 0:08877fa55d02 129 memset(buffer,0x00,512); // clear display buffer
alanffrench 0:08877fa55d02 130 copy_to_lcd();
alanffrench 0:08877fa55d02 131 auto_up = 1; // switch on auto update
alanffrench 0:08877fa55d02 132 // dont do this by default. Make the user call
alanffrench 0:08877fa55d02 133 //claim(stdout); // redirekt printf to lcd
alanffrench 0:08877fa55d02 134 locate(0,0);
alanffrench 0:08877fa55d02 135 set_font((unsigned char*)Small_7); // standart font
alanffrench 0:08877fa55d02 136 }
alanffrench 0:08877fa55d02 137
alanffrench 0:08877fa55d02 138 // set one pixel in buffer
alanffrench 0:08877fa55d02 139
alanffrench 0:08877fa55d02 140 void C12832::pixel(int x, int y, int color)
alanffrench 0:08877fa55d02 141 {
alanffrench 0:08877fa55d02 142 // first check parameter
alanffrench 0:08877fa55d02 143 if(x > 128 || y > 32 || x < 0 || y < 0) return;
alanffrench 0:08877fa55d02 144
alanffrench 0:08877fa55d02 145 if(draw_mode == NORMAL) {
alanffrench 0:08877fa55d02 146 if(color == 0)
alanffrench 0:08877fa55d02 147 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
alanffrench 0:08877fa55d02 148 else
alanffrench 0:08877fa55d02 149 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
alanffrench 0:08877fa55d02 150 } else { // XOR mode
alanffrench 0:08877fa55d02 151 if(color == 1)
alanffrench 0:08877fa55d02 152 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
alanffrench 0:08877fa55d02 153 }
alanffrench 0:08877fa55d02 154 }
alanffrench 0:08877fa55d02 155
alanffrench 0:08877fa55d02 156 // update lcd
alanffrench 0:08877fa55d02 157
alanffrench 0:08877fa55d02 158 void C12832::copy_to_lcd(void)
alanffrench 0:08877fa55d02 159 {
alanffrench 0:08877fa55d02 160
alanffrench 0:08877fa55d02 161 int i=0;
alanffrench 0:08877fa55d02 162
alanffrench 0:08877fa55d02 163 //page 0
alanffrench 0:08877fa55d02 164 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:08877fa55d02 165 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:08877fa55d02 166 wr_cmd(0xB0); // set page address 0
alanffrench 0:08877fa55d02 167 _A0 = 1;
alanffrench 0:08877fa55d02 168 for(i=0; i<128; i++) {
alanffrench 0:08877fa55d02 169 wr_dat(buffer[i]);
alanffrench 0:08877fa55d02 170 }
alanffrench 0:08877fa55d02 171
alanffrench 0:08877fa55d02 172 // page 1
alanffrench 0:08877fa55d02 173 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:08877fa55d02 174 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:08877fa55d02 175 wr_cmd(0xB1); // set page address 1
alanffrench 0:08877fa55d02 176 _A0 = 1;
alanffrench 0:08877fa55d02 177 for(i=128; i<256; i++) {
alanffrench 0:08877fa55d02 178 wr_dat(buffer[i]);
alanffrench 0:08877fa55d02 179 }
alanffrench 0:08877fa55d02 180
alanffrench 0:08877fa55d02 181 //page 2
alanffrench 0:08877fa55d02 182 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:08877fa55d02 183 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:08877fa55d02 184 wr_cmd(0xB2); // set page address 2
alanffrench 0:08877fa55d02 185 _A0 = 1;
alanffrench 0:08877fa55d02 186 for(i=256; i<384; i++) {
alanffrench 0:08877fa55d02 187 wr_dat(buffer[i]);
alanffrench 0:08877fa55d02 188 }
alanffrench 0:08877fa55d02 189
alanffrench 0:08877fa55d02 190 //page 3
alanffrench 0:08877fa55d02 191 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:08877fa55d02 192 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:08877fa55d02 193 wr_cmd(0xB3); // set page address 3
alanffrench 0:08877fa55d02 194 _A0 = 1;
alanffrench 0:08877fa55d02 195
alanffrench 0:08877fa55d02 196 _CS = 0;
alanffrench 0:08877fa55d02 197
alanffrench 0:08877fa55d02 198 for(i=384; i<512; i++) {
alanffrench 0:08877fa55d02 199 wr_dat(buffer[i]);
alanffrench 0:08877fa55d02 200 }
alanffrench 0:08877fa55d02 201
alanffrench 0:08877fa55d02 202 }
alanffrench 0:08877fa55d02 203
alanffrench 0:08877fa55d02 204 void C12832::cls(void)
alanffrench 0:08877fa55d02 205 {
alanffrench 0:08877fa55d02 206 memset(buffer,0x00,512); // clear display buffer
alanffrench 0:08877fa55d02 207 copy_to_lcd();
alanffrench 0:08877fa55d02 208 }
alanffrench 0:08877fa55d02 209
alanffrench 0:08877fa55d02 210
alanffrench 0:08877fa55d02 211 void C12832::line(int x0, int y0, int x1, int y1, int color)
alanffrench 0:08877fa55d02 212 {
alanffrench 0:08877fa55d02 213 int dx = 0, dy = 0;
alanffrench 0:08877fa55d02 214 int dx_sym = 0, dy_sym = 0;
alanffrench 0:08877fa55d02 215 int dx_x2 = 0, dy_x2 = 0;
alanffrench 0:08877fa55d02 216 int di = 0;
alanffrench 0:08877fa55d02 217
alanffrench 0:08877fa55d02 218 dx = x1-x0;
alanffrench 0:08877fa55d02 219 dy = y1-y0;
alanffrench 0:08877fa55d02 220
alanffrench 0:08877fa55d02 221 // if (dx == 0) { /* vertical line */
alanffrench 0:08877fa55d02 222 // if (y1 > y0) vline(x0,y0,y1,color);
alanffrench 0:08877fa55d02 223 // else vline(x0,y1,y0,color);
alanffrench 0:08877fa55d02 224 // return;
alanffrench 0:08877fa55d02 225 // }
alanffrench 0:08877fa55d02 226
alanffrench 0:08877fa55d02 227 if (dx > 0) {
alanffrench 0:08877fa55d02 228 dx_sym = 1;
alanffrench 0:08877fa55d02 229 } else {
alanffrench 0:08877fa55d02 230 dx_sym = -1;
alanffrench 0:08877fa55d02 231 }
alanffrench 0:08877fa55d02 232 // if (dy == 0) { /* horizontal line */
alanffrench 0:08877fa55d02 233 // if (x1 > x0) hline(x0,x1,y0,color);
alanffrench 0:08877fa55d02 234 // else hline(x1,x0,y0,color);
alanffrench 0:08877fa55d02 235 // return;
alanffrench 0:08877fa55d02 236 // }
alanffrench 0:08877fa55d02 237
alanffrench 0:08877fa55d02 238 if (dy > 0) {
alanffrench 0:08877fa55d02 239 dy_sym = 1;
alanffrench 0:08877fa55d02 240 } else {
alanffrench 0:08877fa55d02 241 dy_sym = -1;
alanffrench 0:08877fa55d02 242 }
alanffrench 0:08877fa55d02 243
alanffrench 0:08877fa55d02 244 dx = dx_sym*dx;
alanffrench 0:08877fa55d02 245 dy = dy_sym*dy;
alanffrench 0:08877fa55d02 246
alanffrench 0:08877fa55d02 247 dx_x2 = dx*2;
alanffrench 0:08877fa55d02 248 dy_x2 = dy*2;
alanffrench 0:08877fa55d02 249
alanffrench 0:08877fa55d02 250 if (dx >= dy) {
alanffrench 0:08877fa55d02 251 di = dy_x2 - dx;
alanffrench 0:08877fa55d02 252 while (x0 != x1) {
alanffrench 0:08877fa55d02 253
alanffrench 0:08877fa55d02 254 pixel(x0, y0, color);
alanffrench 0:08877fa55d02 255 x0 += dx_sym;
alanffrench 0:08877fa55d02 256 if (di<0) {
alanffrench 0:08877fa55d02 257 di += dy_x2;
alanffrench 0:08877fa55d02 258 } else {
alanffrench 0:08877fa55d02 259 di += dy_x2 - dx_x2;
alanffrench 0:08877fa55d02 260 y0 += dy_sym;
alanffrench 0:08877fa55d02 261 }
alanffrench 0:08877fa55d02 262 }
alanffrench 0:08877fa55d02 263 pixel(x0, y0, color);
alanffrench 0:08877fa55d02 264 } else {
alanffrench 0:08877fa55d02 265 di = dx_x2 - dy;
alanffrench 0:08877fa55d02 266 while (y0 != y1) {
alanffrench 0:08877fa55d02 267 pixel(x0, y0, color);
alanffrench 0:08877fa55d02 268 y0 += dy_sym;
alanffrench 0:08877fa55d02 269 if (di < 0) {
alanffrench 0:08877fa55d02 270 di += dx_x2;
alanffrench 0:08877fa55d02 271 } else {
alanffrench 0:08877fa55d02 272 di += dx_x2 - dy_x2;
alanffrench 0:08877fa55d02 273 x0 += dx_sym;
alanffrench 0:08877fa55d02 274 }
alanffrench 0:08877fa55d02 275 }
alanffrench 0:08877fa55d02 276 pixel(x0, y0, color);
alanffrench 0:08877fa55d02 277 }
alanffrench 0:08877fa55d02 278 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 279 }
alanffrench 0:08877fa55d02 280
alanffrench 0:08877fa55d02 281 void C12832::rect(int x0, int y0, int x1, int y1, int color)
alanffrench 0:08877fa55d02 282 {
alanffrench 0:08877fa55d02 283
alanffrench 0:08877fa55d02 284 if (x1 > x0) line(x0,y0,x1,y0,color);
alanffrench 0:08877fa55d02 285 else line(x1,y0,x0,y0,color);
alanffrench 0:08877fa55d02 286
alanffrench 0:08877fa55d02 287 if (y1 > y0) line(x0,y0,x0,y1,color);
alanffrench 0:08877fa55d02 288 else line(x0,y1,x0,y0,color);
alanffrench 0:08877fa55d02 289
alanffrench 0:08877fa55d02 290 if (x1 > x0) line(x0,y1,x1,y1,color);
alanffrench 0:08877fa55d02 291 else line(x1,y1,x0,y1,color);
alanffrench 0:08877fa55d02 292
alanffrench 0:08877fa55d02 293 if (y1 > y0) line(x1,y0,x1,y1,color);
alanffrench 0:08877fa55d02 294 else line(x1,y1,x1,y0,color);
alanffrench 0:08877fa55d02 295
alanffrench 0:08877fa55d02 296 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 297 }
alanffrench 0:08877fa55d02 298
alanffrench 0:08877fa55d02 299 void C12832::fillrect(int x0, int y0, int x1, int y1, int color)
alanffrench 0:08877fa55d02 300 {
alanffrench 0:08877fa55d02 301 int l,c,i;
alanffrench 0:08877fa55d02 302 if(x0 > x1) {
alanffrench 0:08877fa55d02 303 i = x0;
alanffrench 0:08877fa55d02 304 x0 = x1;
alanffrench 0:08877fa55d02 305 x1 = i;
alanffrench 0:08877fa55d02 306 }
alanffrench 0:08877fa55d02 307
alanffrench 0:08877fa55d02 308 if(y0 > y1) {
alanffrench 0:08877fa55d02 309 i = y0;
alanffrench 0:08877fa55d02 310 y0 = y1;
alanffrench 0:08877fa55d02 311 y1 = i;
alanffrench 0:08877fa55d02 312 }
alanffrench 0:08877fa55d02 313
alanffrench 0:08877fa55d02 314 for(l = x0; l<= x1; l ++) {
alanffrench 0:08877fa55d02 315 for(c = y0; c<= y1; c++) {
alanffrench 0:08877fa55d02 316 pixel(l,c,color);
alanffrench 0:08877fa55d02 317 }
alanffrench 0:08877fa55d02 318 }
alanffrench 0:08877fa55d02 319 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 320 }
alanffrench 0:08877fa55d02 321
alanffrench 0:08877fa55d02 322
alanffrench 0:08877fa55d02 323
alanffrench 0:08877fa55d02 324 void C12832::circle(int x0, int y0, int r, int color)
alanffrench 0:08877fa55d02 325 {
alanffrench 0:08877fa55d02 326
alanffrench 0:08877fa55d02 327 int draw_x0, draw_y0;
alanffrench 0:08877fa55d02 328 int draw_x1, draw_y1;
alanffrench 0:08877fa55d02 329 int draw_x2, draw_y2;
alanffrench 0:08877fa55d02 330 int draw_x3, draw_y3;
alanffrench 0:08877fa55d02 331 int draw_x4, draw_y4;
alanffrench 0:08877fa55d02 332 int draw_x5, draw_y5;
alanffrench 0:08877fa55d02 333 int draw_x6, draw_y6;
alanffrench 0:08877fa55d02 334 int draw_x7, draw_y7;
alanffrench 0:08877fa55d02 335 int xx, yy;
alanffrench 0:08877fa55d02 336 int di;
alanffrench 0:08877fa55d02 337 //WindowMax();
alanffrench 0:08877fa55d02 338 if (r == 0) { /* no radius */
alanffrench 0:08877fa55d02 339 return;
alanffrench 0:08877fa55d02 340 }
alanffrench 0:08877fa55d02 341
alanffrench 0:08877fa55d02 342 draw_x0 = draw_x1 = x0;
alanffrench 0:08877fa55d02 343 draw_y0 = draw_y1 = y0 + r;
alanffrench 0:08877fa55d02 344 if (draw_y0 < height()) {
alanffrench 0:08877fa55d02 345 pixel(draw_x0, draw_y0, color); /* 90 degree */
alanffrench 0:08877fa55d02 346 }
alanffrench 0:08877fa55d02 347
alanffrench 0:08877fa55d02 348 draw_x2 = draw_x3 = x0;
alanffrench 0:08877fa55d02 349 draw_y2 = draw_y3 = y0 - r;
alanffrench 0:08877fa55d02 350 if (draw_y2 >= 0) {
alanffrench 0:08877fa55d02 351 pixel(draw_x2, draw_y2, color); /* 270 degree */
alanffrench 0:08877fa55d02 352 }
alanffrench 0:08877fa55d02 353
alanffrench 0:08877fa55d02 354 draw_x4 = draw_x6 = x0 + r;
alanffrench 0:08877fa55d02 355 draw_y4 = draw_y6 = y0;
alanffrench 0:08877fa55d02 356 if (draw_x4 < width()) {
alanffrench 0:08877fa55d02 357 pixel(draw_x4, draw_y4, color); /* 0 degree */
alanffrench 0:08877fa55d02 358 }
alanffrench 0:08877fa55d02 359
alanffrench 0:08877fa55d02 360 draw_x5 = draw_x7 = x0 - r;
alanffrench 0:08877fa55d02 361 draw_y5 = draw_y7 = y0;
alanffrench 0:08877fa55d02 362 if (draw_x5>=0) {
alanffrench 0:08877fa55d02 363 pixel(draw_x5, draw_y5, color); /* 180 degree */
alanffrench 0:08877fa55d02 364 }
alanffrench 0:08877fa55d02 365
alanffrench 0:08877fa55d02 366 if (r == 1) {
alanffrench 0:08877fa55d02 367 return;
alanffrench 0:08877fa55d02 368 }
alanffrench 0:08877fa55d02 369
alanffrench 0:08877fa55d02 370 di = 3 - 2*r;
alanffrench 0:08877fa55d02 371 xx = 0;
alanffrench 0:08877fa55d02 372 yy = r;
alanffrench 0:08877fa55d02 373 while (xx < yy) {
alanffrench 0:08877fa55d02 374
alanffrench 0:08877fa55d02 375 if (di < 0) {
alanffrench 0:08877fa55d02 376 di += 4*xx + 6;
alanffrench 0:08877fa55d02 377 } else {
alanffrench 0:08877fa55d02 378 di += 4*(xx - yy) + 10;
alanffrench 0:08877fa55d02 379 yy--;
alanffrench 0:08877fa55d02 380 draw_y0--;
alanffrench 0:08877fa55d02 381 draw_y1--;
alanffrench 0:08877fa55d02 382 draw_y2++;
alanffrench 0:08877fa55d02 383 draw_y3++;
alanffrench 0:08877fa55d02 384 draw_x4--;
alanffrench 0:08877fa55d02 385 draw_x5++;
alanffrench 0:08877fa55d02 386 draw_x6--;
alanffrench 0:08877fa55d02 387 draw_x7++;
alanffrench 0:08877fa55d02 388 }
alanffrench 0:08877fa55d02 389 xx++;
alanffrench 0:08877fa55d02 390 draw_x0++;
alanffrench 0:08877fa55d02 391 draw_x1--;
alanffrench 0:08877fa55d02 392 draw_x2++;
alanffrench 0:08877fa55d02 393 draw_x3--;
alanffrench 0:08877fa55d02 394 draw_y4++;
alanffrench 0:08877fa55d02 395 draw_y5++;
alanffrench 0:08877fa55d02 396 draw_y6--;
alanffrench 0:08877fa55d02 397 draw_y7--;
alanffrench 0:08877fa55d02 398
alanffrench 0:08877fa55d02 399 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
alanffrench 0:08877fa55d02 400 pixel(draw_x0, draw_y0, color);
alanffrench 0:08877fa55d02 401 }
alanffrench 0:08877fa55d02 402
alanffrench 0:08877fa55d02 403 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
alanffrench 0:08877fa55d02 404 pixel(draw_x1, draw_y1, color);
alanffrench 0:08877fa55d02 405 }
alanffrench 0:08877fa55d02 406
alanffrench 0:08877fa55d02 407 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
alanffrench 0:08877fa55d02 408 pixel(draw_x2, draw_y2, color);
alanffrench 0:08877fa55d02 409 }
alanffrench 0:08877fa55d02 410
alanffrench 0:08877fa55d02 411 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
alanffrench 0:08877fa55d02 412 pixel(draw_x3, draw_y3, color);
alanffrench 0:08877fa55d02 413 }
alanffrench 0:08877fa55d02 414
alanffrench 0:08877fa55d02 415 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
alanffrench 0:08877fa55d02 416 pixel(draw_x4, draw_y4, color);
alanffrench 0:08877fa55d02 417 }
alanffrench 0:08877fa55d02 418
alanffrench 0:08877fa55d02 419 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
alanffrench 0:08877fa55d02 420 pixel(draw_x5, draw_y5, color);
alanffrench 0:08877fa55d02 421 }
alanffrench 0:08877fa55d02 422 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
alanffrench 0:08877fa55d02 423 pixel(draw_x6, draw_y6, color);
alanffrench 0:08877fa55d02 424 }
alanffrench 0:08877fa55d02 425 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
alanffrench 0:08877fa55d02 426 pixel(draw_x7, draw_y7, color);
alanffrench 0:08877fa55d02 427 }
alanffrench 0:08877fa55d02 428 }
alanffrench 0:08877fa55d02 429 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 430 }
alanffrench 0:08877fa55d02 431
alanffrench 0:08877fa55d02 432 void C12832::fillcircle(int x, int y, int r, int color)
alanffrench 0:08877fa55d02 433 {
alanffrench 0:08877fa55d02 434 int i,up;
alanffrench 0:08877fa55d02 435 up = auto_up;
alanffrench 0:08877fa55d02 436 auto_up = 0; // off
alanffrench 0:08877fa55d02 437 for (i = 0; i <= r; i++)
alanffrench 0:08877fa55d02 438 circle(x,y,i,color);
alanffrench 0:08877fa55d02 439 auto_up = up;
alanffrench 0:08877fa55d02 440 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 441 }
alanffrench 0:08877fa55d02 442
alanffrench 0:08877fa55d02 443 void C12832::setmode(int mode)
alanffrench 0:08877fa55d02 444 {
alanffrench 0:08877fa55d02 445 draw_mode = mode;
alanffrench 0:08877fa55d02 446 }
alanffrench 0:08877fa55d02 447
alanffrench 0:08877fa55d02 448 void C12832::locate(int x, int y)
alanffrench 0:08877fa55d02 449 {
alanffrench 0:08877fa55d02 450 char_x = x;
alanffrench 0:08877fa55d02 451 char_y = y;
alanffrench 0:08877fa55d02 452 }
alanffrench 0:08877fa55d02 453
alanffrench 0:08877fa55d02 454
alanffrench 0:08877fa55d02 455
alanffrench 0:08877fa55d02 456 int C12832::columns()
alanffrench 0:08877fa55d02 457 {
alanffrench 0:08877fa55d02 458 return width() / font[1];
alanffrench 0:08877fa55d02 459 }
alanffrench 0:08877fa55d02 460
alanffrench 0:08877fa55d02 461
alanffrench 0:08877fa55d02 462
alanffrench 0:08877fa55d02 463 int C12832::rows()
alanffrench 0:08877fa55d02 464 {
alanffrench 0:08877fa55d02 465 return height() / font[2];
alanffrench 0:08877fa55d02 466 }
alanffrench 0:08877fa55d02 467
alanffrench 0:08877fa55d02 468
alanffrench 0:08877fa55d02 469
alanffrench 0:08877fa55d02 470 int C12832::_putc(int value)
alanffrench 0:08877fa55d02 471 {
alanffrench 0:08877fa55d02 472 if (value == '\n') { // new line
alanffrench 0:08877fa55d02 473 char_x = 0;
alanffrench 0:08877fa55d02 474 char_y = char_y + font[2];
alanffrench 0:08877fa55d02 475 if (char_y >= height() - font[2]) {
alanffrench 0:08877fa55d02 476 char_y = 0;
alanffrench 0:08877fa55d02 477 }
alanffrench 0:08877fa55d02 478 } else {
alanffrench 0:08877fa55d02 479 character(char_x, char_y, value);
alanffrench 0:08877fa55d02 480 if(auto_up) copy_to_lcd();
alanffrench 0:08877fa55d02 481 }
alanffrench 0:08877fa55d02 482 return value;
alanffrench 0:08877fa55d02 483 }
alanffrench 0:08877fa55d02 484
alanffrench 0:08877fa55d02 485 void C12832::character(int x, int y, int c)
alanffrench 0:08877fa55d02 486 {
alanffrench 0:08877fa55d02 487 unsigned int hor,vert,offset,bpl,j,i,b;
alanffrench 0:08877fa55d02 488 unsigned char* zeichen;
alanffrench 0:08877fa55d02 489 unsigned char z,w;
alanffrench 0:08877fa55d02 490
alanffrench 0:08877fa55d02 491 if ((c < 31) || (c > 127)) return; // test char range
alanffrench 0:08877fa55d02 492
alanffrench 0:08877fa55d02 493 // read font parameter from start of array
alanffrench 0:08877fa55d02 494 offset = font[0]; // bytes / char
alanffrench 0:08877fa55d02 495 hor = font[1]; // get hor size of font
alanffrench 0:08877fa55d02 496 vert = font[2]; // get vert size of font
alanffrench 0:08877fa55d02 497 bpl = font[3]; // bytes per line
alanffrench 0:08877fa55d02 498
alanffrench 0:08877fa55d02 499 if (char_x + hor > width()) {
alanffrench 0:08877fa55d02 500 char_x = 0;
alanffrench 0:08877fa55d02 501 char_y = char_y + vert;
alanffrench 0:08877fa55d02 502 if (char_y >= height() - font[2]) {
alanffrench 0:08877fa55d02 503 char_y = 0;
alanffrench 0:08877fa55d02 504 }
alanffrench 0:08877fa55d02 505 }
alanffrench 0:08877fa55d02 506
alanffrench 0:08877fa55d02 507 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
alanffrench 0:08877fa55d02 508 w = zeichen[0]; // width of actual char
alanffrench 0:08877fa55d02 509 // construct the char into the buffer
alanffrench 0:08877fa55d02 510 for (j=0; j<vert; j++) { // vert line
alanffrench 0:08877fa55d02 511 for (i=0; i<hor; i++) { // horz line
alanffrench 0:08877fa55d02 512 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
alanffrench 0:08877fa55d02 513 b = 1 << (j & 0x07);
alanffrench 0:08877fa55d02 514 if (( z & b ) == 0x00) {
alanffrench 0:08877fa55d02 515 pixel(x+i,y+j,0);
alanffrench 0:08877fa55d02 516 } else {
alanffrench 0:08877fa55d02 517 pixel(x+i,y+j,1);
alanffrench 0:08877fa55d02 518 }
alanffrench 0:08877fa55d02 519
alanffrench 0:08877fa55d02 520 }
alanffrench 0:08877fa55d02 521 }
alanffrench 0:08877fa55d02 522
alanffrench 0:08877fa55d02 523 char_x += w;
alanffrench 0:08877fa55d02 524 }
alanffrench 0:08877fa55d02 525
alanffrench 0:08877fa55d02 526
alanffrench 0:08877fa55d02 527 void C12832::set_font(unsigned char* f)
alanffrench 0:08877fa55d02 528 {
alanffrench 0:08877fa55d02 529 font = f;
alanffrench 0:08877fa55d02 530 }
alanffrench 0:08877fa55d02 531
alanffrench 0:08877fa55d02 532 void C12832::set_auto_up(unsigned int up)
alanffrench 0:08877fa55d02 533 {
alanffrench 0:08877fa55d02 534 if(up ) auto_up = 1;
alanffrench 0:08877fa55d02 535 else auto_up = 0;
alanffrench 0:08877fa55d02 536 }
alanffrench 0:08877fa55d02 537
alanffrench 0:08877fa55d02 538 unsigned int C12832::get_auto_up(void)
alanffrench 0:08877fa55d02 539 {
alanffrench 0:08877fa55d02 540 return (auto_up);
alanffrench 0:08877fa55d02 541 }
alanffrench 0:08877fa55d02 542
alanffrench 0:08877fa55d02 543 void C12832::print_bm(Bitmap bm, int x, int y)
alanffrench 0:08877fa55d02 544 {
alanffrench 0:08877fa55d02 545 int h,v,b;
alanffrench 0:08877fa55d02 546 char d;
alanffrench 0:08877fa55d02 547
alanffrench 0:08877fa55d02 548 for(v=0; v < bm.ySize; v++) { // lines
alanffrench 0:08877fa55d02 549 for(h=0; h < bm.xSize; h++) { // pixel
alanffrench 0:08877fa55d02 550 if(h + x > 127) break;
alanffrench 0:08877fa55d02 551 if(v + y > 31) break;
alanffrench 0:08877fa55d02 552 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
alanffrench 0:08877fa55d02 553 b = 0x80 >> (h & 0x07);
alanffrench 0:08877fa55d02 554 if((d & b) == 0) {
alanffrench 0:08877fa55d02 555 pixel(x+h,y+v,0);
alanffrench 0:08877fa55d02 556 } else {
alanffrench 0:08877fa55d02 557 pixel(x+h,y+v,1);
alanffrench 0:08877fa55d02 558 }
alanffrench 0:08877fa55d02 559 }
alanffrench 0:08877fa55d02 560 }
alanffrench 0:08877fa55d02 561
alanffrench 0:08877fa55d02 562 }
alanffrench 0:08877fa55d02 563
alanffrench 0:08877fa55d02 564