TINF_6ABEL18 / Mbed 2 deprecated TINF_Test1_7ABELI

7ABELI_Projekt

Dependencies:   mbed

C12832/C12832.cpp@0:b69a47c4639b, 2018-11-29 (annotated)

Committer:
Wizo
Date:
Thu Nov 29 17:17:23 2018 +0000
Revision:
0:b69a47c4639b
7ABELI_Projekt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Wizo 0:b69a47c4639b 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
Wizo 0:b69a47c4639b 2 * use C12832 controller
Wizo 0:b69a47c4639b 3 * Copyright (c) 2012 Peter Drescher - DC2PD
Wizo 0:b69a47c4639b 4 * Released under the MIT License: http://mbed.org/license/mit
Wizo 0:b69a47c4639b 5 *
Wizo 0:b69a47c4639b 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Wizo 0:b69a47c4639b 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Wizo 0:b69a47c4639b 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Wizo 0:b69a47c4639b 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Wizo 0:b69a47c4639b 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Wizo 0:b69a47c4639b 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Wizo 0:b69a47c4639b 12 * THE SOFTWARE.
Wizo 0:b69a47c4639b 13 */
Wizo 0:b69a47c4639b 14
Wizo 0:b69a47c4639b 15 // 13.10.12 initial design
Wizo 0:b69a47c4639b 16 // 25.10.12 add autorefresh of screen
Wizo 0:b69a47c4639b 17 // 25.10.12 add standart font
Wizo 0:b69a47c4639b 18 // 20.12.12 add bitmap graphics
Wizo 0:b69a47c4639b 19
Wizo 0:b69a47c4639b 20 // optional defines :
Wizo 0:b69a47c4639b 21 // #define debug_lcd 1
Wizo 0:b69a47c4639b 22
Wizo 0:b69a47c4639b 23 #include "C12832.h"
Wizo 0:b69a47c4639b 24 #include "mbed.h"
Wizo 0:b69a47c4639b 25 #include "stdio.h"
Wizo 0:b69a47c4639b 26 #include "Small_7.h"
Wizo 0:b69a47c4639b 27
Wizo 0:b69a47c4639b 28 #define BPP 1 // Bits per pixel
Wizo 0:b69a47c4639b 29
Wizo 0:b69a47c4639b 30
Wizo 0:b69a47c4639b 31 C12832::C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name)
Wizo 0:b69a47c4639b 32 : _spi(mosi,NC,sck),_reset(reset),_A0(a0),_CS(ncs),GraphicsDisplay(name)
Wizo 0:b69a47c4639b 33 {
Wizo 0:b69a47c4639b 34 orientation = 1;
Wizo 0:b69a47c4639b 35 draw_mode = NORMAL;
Wizo 0:b69a47c4639b 36 char_x = 0;
Wizo 0:b69a47c4639b 37 lcd_reset();
Wizo 0:b69a47c4639b 38 }
Wizo 0:b69a47c4639b 39
Wizo 0:b69a47c4639b 40
Wizo 0:b69a47c4639b 41 int C12832::width()
Wizo 0:b69a47c4639b 42 {
Wizo 0:b69a47c4639b 43 if (orientation == 0 || orientation == 2) return 32;
Wizo 0:b69a47c4639b 44 else return 128;
Wizo 0:b69a47c4639b 45 }
Wizo 0:b69a47c4639b 46
Wizo 0:b69a47c4639b 47 int C12832::height()
Wizo 0:b69a47c4639b 48 {
Wizo 0:b69a47c4639b 49 if (orientation == 0 || orientation == 2) return 128;
Wizo 0:b69a47c4639b 50 else return 32;
Wizo 0:b69a47c4639b 51 }
Wizo 0:b69a47c4639b 52
Wizo 0:b69a47c4639b 53
Wizo 0:b69a47c4639b 54 void C12832::invert(unsigned int o)
Wizo 0:b69a47c4639b 55 {
Wizo 0:b69a47c4639b 56 if(o == 0) wr_cmd(0xA6);
Wizo 0:b69a47c4639b 57 else wr_cmd(0xA7);
Wizo 0:b69a47c4639b 58 }
Wizo 0:b69a47c4639b 59
Wizo 0:b69a47c4639b 60
Wizo 0:b69a47c4639b 61 void C12832::set_contrast(unsigned int o)
Wizo 0:b69a47c4639b 62 {
Wizo 0:b69a47c4639b 63 contrast = o;
Wizo 0:b69a47c4639b 64 wr_cmd(0x81); // set volume
Wizo 0:b69a47c4639b 65 wr_cmd(o & 0x3F);
Wizo 0:b69a47c4639b 66 }
Wizo 0:b69a47c4639b 67
Wizo 0:b69a47c4639b 68 unsigned int C12832::get_contrast(void)
Wizo 0:b69a47c4639b 69 {
Wizo 0:b69a47c4639b 70 return(contrast);
Wizo 0:b69a47c4639b 71 }
Wizo 0:b69a47c4639b 72
Wizo 0:b69a47c4639b 73
Wizo 0:b69a47c4639b 74 // write command to lcd controller
Wizo 0:b69a47c4639b 75
Wizo 0:b69a47c4639b 76 void C12832::wr_cmd(unsigned char cmd)
Wizo 0:b69a47c4639b 77 {
Wizo 0:b69a47c4639b 78 _A0 = 0;
Wizo 0:b69a47c4639b 79 _CS = 0;
Wizo 0:b69a47c4639b 80 _spi.write(cmd);
Wizo 0:b69a47c4639b 81 _CS = 1;
Wizo 0:b69a47c4639b 82 }
Wizo 0:b69a47c4639b 83
Wizo 0:b69a47c4639b 84 // write data to lcd controller
Wizo 0:b69a47c4639b 85
Wizo 0:b69a47c4639b 86 void C12832::wr_dat(unsigned char dat)
Wizo 0:b69a47c4639b 87 {
Wizo 0:b69a47c4639b 88 _A0 = 1;
Wizo 0:b69a47c4639b 89 _CS = 0;
Wizo 0:b69a47c4639b 90 _spi.write(dat);
Wizo 0:b69a47c4639b 91 _CS = 1;
Wizo 0:b69a47c4639b 92 }
Wizo 0:b69a47c4639b 93
Wizo 0:b69a47c4639b 94 // reset and init the lcd controller
Wizo 0:b69a47c4639b 95
Wizo 0:b69a47c4639b 96 void C12832::lcd_reset()
Wizo 0:b69a47c4639b 97 {
Wizo 0:b69a47c4639b 98
Wizo 0:b69a47c4639b 99 _spi.format(8,3); // 8 bit spi mode 3
Wizo 0:b69a47c4639b 100 _spi.frequency(20000000); // 19,2 Mhz SPI clock
Wizo 0:b69a47c4639b 101 _A0 = 0;
Wizo 0:b69a47c4639b 102 _CS = 1;
Wizo 0:b69a47c4639b 103 _reset = 0; // display reset
Wizo 0:b69a47c4639b 104 wait_us(50);
Wizo 0:b69a47c4639b 105 _reset = 1; // end reset
Wizo 0:b69a47c4639b 106 wait_ms(5);
Wizo 0:b69a47c4639b 107
Wizo 0:b69a47c4639b 108 /* Start Initial Sequence ----------------------------------------------------*/
Wizo 0:b69a47c4639b 109
Wizo 0:b69a47c4639b 110 wr_cmd(0xAE); // display off
Wizo 0:b69a47c4639b 111 wr_cmd(0xA2); // bias voltage
Wizo 0:b69a47c4639b 112
Wizo 0:b69a47c4639b 113 wr_cmd(0xA0);
Wizo 0:b69a47c4639b 114 wr_cmd(0xC8); // colum normal
Wizo 0:b69a47c4639b 115
Wizo 0:b69a47c4639b 116 wr_cmd(0x22); // voltage resistor ratio
Wizo 0:b69a47c4639b 117 wr_cmd(0x2F); // power on
Wizo 0:b69a47c4639b 118 //wr_cmd(0xA4); // LCD display ram
Wizo 0:b69a47c4639b 119 wr_cmd(0x40); // start line = 0
Wizo 0:b69a47c4639b 120 wr_cmd(0xAF); // display ON
Wizo 0:b69a47c4639b 121
Wizo 0:b69a47c4639b 122 wr_cmd(0x81); // set contrast
Wizo 0:b69a47c4639b 123 wr_cmd(0x17); // set contrast
Wizo 0:b69a47c4639b 124
Wizo 0:b69a47c4639b 125 wr_cmd(0xA6); // display normal
Wizo 0:b69a47c4639b 126
Wizo 0:b69a47c4639b 127
Wizo 0:b69a47c4639b 128 // clear and update LCD
Wizo 0:b69a47c4639b 129 memset(buffer,0x00,512); // clear display buffer
Wizo 0:b69a47c4639b 130 copy_to_lcd();
Wizo 0:b69a47c4639b 131 auto_up = 1; // switch on auto update
Wizo 0:b69a47c4639b 132 // dont do this by default. Make the user call
Wizo 0:b69a47c4639b 133 //claim(stdout); // redirekt printf to lcd
Wizo 0:b69a47c4639b 134 locate(0,0);
Wizo 0:b69a47c4639b 135 set_font((unsigned char*)Small_7); // standart font
Wizo 0:b69a47c4639b 136 }
Wizo 0:b69a47c4639b 137
Wizo 0:b69a47c4639b 138 // set one pixel in buffer
Wizo 0:b69a47c4639b 139
Wizo 0:b69a47c4639b 140 void C12832::pixel(int x, int y, int color)
Wizo 0:b69a47c4639b 141 {
Wizo 0:b69a47c4639b 142 // first check parameter
Wizo 0:b69a47c4639b 143 if(x > 128 || y > 32 || x < 0 || y < 0) return;
Wizo 0:b69a47c4639b 144
Wizo 0:b69a47c4639b 145 if(draw_mode == NORMAL) {
Wizo 0:b69a47c4639b 146 if(color == 0)
Wizo 0:b69a47c4639b 147 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
Wizo 0:b69a47c4639b 148 else
Wizo 0:b69a47c4639b 149 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
Wizo 0:b69a47c4639b 150 } else { // XOR mode
Wizo 0:b69a47c4639b 151 if(color == 1)
Wizo 0:b69a47c4639b 152 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
Wizo 0:b69a47c4639b 153 }
Wizo 0:b69a47c4639b 154 }
Wizo 0:b69a47c4639b 155
Wizo 0:b69a47c4639b 156 // update lcd
Wizo 0:b69a47c4639b 157
Wizo 0:b69a47c4639b 158 void C12832::copy_to_lcd(void)
Wizo 0:b69a47c4639b 159 {
Wizo 0:b69a47c4639b 160
Wizo 0:b69a47c4639b 161 int i=0;
Wizo 0:b69a47c4639b 162
Wizo 0:b69a47c4639b 163 //page 0
Wizo 0:b69a47c4639b 164 wr_cmd(0x00); // set column low nibble 0
Wizo 0:b69a47c4639b 165 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:b69a47c4639b 166 wr_cmd(0xB0); // set page address 0
Wizo 0:b69a47c4639b 167 _A0 = 1;
Wizo 0:b69a47c4639b 168 for(i=0; i<128; i++) {
Wizo 0:b69a47c4639b 169 wr_dat(buffer[i]);
Wizo 0:b69a47c4639b 170 }
Wizo 0:b69a47c4639b 171
Wizo 0:b69a47c4639b 172 // page 1
Wizo 0:b69a47c4639b 173 wr_cmd(0x00); // set column low nibble 0
Wizo 0:b69a47c4639b 174 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:b69a47c4639b 175 wr_cmd(0xB1); // set page address 1
Wizo 0:b69a47c4639b 176 _A0 = 1;
Wizo 0:b69a47c4639b 177 for(i=128; i<256; i++) {
Wizo 0:b69a47c4639b 178 wr_dat(buffer[i]);
Wizo 0:b69a47c4639b 179 }
Wizo 0:b69a47c4639b 180
Wizo 0:b69a47c4639b 181 //page 2
Wizo 0:b69a47c4639b 182 wr_cmd(0x00); // set column low nibble 0
Wizo 0:b69a47c4639b 183 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:b69a47c4639b 184 wr_cmd(0xB2); // set page address 2
Wizo 0:b69a47c4639b 185 _A0 = 1;
Wizo 0:b69a47c4639b 186 for(i=256; i<384; i++) {
Wizo 0:b69a47c4639b 187 wr_dat(buffer[i]);
Wizo 0:b69a47c4639b 188 }
Wizo 0:b69a47c4639b 189
Wizo 0:b69a47c4639b 190 //page 3
Wizo 0:b69a47c4639b 191 wr_cmd(0x00); // set column low nibble 0
Wizo 0:b69a47c4639b 192 wr_cmd(0x10); // set column hi nibble 0
Wizo 0:b69a47c4639b 193 wr_cmd(0xB3); // set page address 3
Wizo 0:b69a47c4639b 194 _A0 = 1;
Wizo 0:b69a47c4639b 195
Wizo 0:b69a47c4639b 196 _CS = 0;
Wizo 0:b69a47c4639b 197
Wizo 0:b69a47c4639b 198 for(i=384; i<512; i++) {
Wizo 0:b69a47c4639b 199 wr_dat(buffer[i]);
Wizo 0:b69a47c4639b 200 }
Wizo 0:b69a47c4639b 201
Wizo 0:b69a47c4639b 202 }
Wizo 0:b69a47c4639b 203
Wizo 0:b69a47c4639b 204 void C12832::cls(void)
Wizo 0:b69a47c4639b 205 {
Wizo 0:b69a47c4639b 206 memset(buffer,0x00,512); // clear display buffer
Wizo 0:b69a47c4639b 207 copy_to_lcd();
Wizo 0:b69a47c4639b 208 }
Wizo 0:b69a47c4639b 209
Wizo 0:b69a47c4639b 210
Wizo 0:b69a47c4639b 211 void C12832::line(int x0, int y0, int x1, int y1, int color)
Wizo 0:b69a47c4639b 212 {
Wizo 0:b69a47c4639b 213 int dx = 0, dy = 0;
Wizo 0:b69a47c4639b 214 int dx_sym = 0, dy_sym = 0;
Wizo 0:b69a47c4639b 215 int dx_x2 = 0, dy_x2 = 0;
Wizo 0:b69a47c4639b 216 int di = 0;
Wizo 0:b69a47c4639b 217
Wizo 0:b69a47c4639b 218 dx = x1-x0;
Wizo 0:b69a47c4639b 219 dy = y1-y0;
Wizo 0:b69a47c4639b 220
Wizo 0:b69a47c4639b 221 // if (dx == 0) { /* vertical line */
Wizo 0:b69a47c4639b 222 // if (y1 > y0) vline(x0,y0,y1,color);
Wizo 0:b69a47c4639b 223 // else vline(x0,y1,y0,color);
Wizo 0:b69a47c4639b 224 // return;
Wizo 0:b69a47c4639b 225 // }
Wizo 0:b69a47c4639b 226
Wizo 0:b69a47c4639b 227 if (dx > 0) {
Wizo 0:b69a47c4639b 228 dx_sym = 1;
Wizo 0:b69a47c4639b 229 } else {
Wizo 0:b69a47c4639b 230 dx_sym = -1;
Wizo 0:b69a47c4639b 231 }
Wizo 0:b69a47c4639b 232 // if (dy == 0) { /* horizontal line */
Wizo 0:b69a47c4639b 233 // if (x1 > x0) hline(x0,x1,y0,color);
Wizo 0:b69a47c4639b 234 // else hline(x1,x0,y0,color);
Wizo 0:b69a47c4639b 235 // return;
Wizo 0:b69a47c4639b 236 // }
Wizo 0:b69a47c4639b 237
Wizo 0:b69a47c4639b 238 if (dy > 0) {
Wizo 0:b69a47c4639b 239 dy_sym = 1;
Wizo 0:b69a47c4639b 240 } else {
Wizo 0:b69a47c4639b 241 dy_sym = -1;
Wizo 0:b69a47c4639b 242 }
Wizo 0:b69a47c4639b 243
Wizo 0:b69a47c4639b 244 dx = dx_sym*dx;
Wizo 0:b69a47c4639b 245 dy = dy_sym*dy;
Wizo 0:b69a47c4639b 246
Wizo 0:b69a47c4639b 247 dx_x2 = dx*2;
Wizo 0:b69a47c4639b 248 dy_x2 = dy*2;
Wizo 0:b69a47c4639b 249
Wizo 0:b69a47c4639b 250 if (dx >= dy) {
Wizo 0:b69a47c4639b 251 di = dy_x2 - dx;
Wizo 0:b69a47c4639b 252 while (x0 != x1) {
Wizo 0:b69a47c4639b 253
Wizo 0:b69a47c4639b 254 pixel(x0, y0, color);
Wizo 0:b69a47c4639b 255 x0 += dx_sym;
Wizo 0:b69a47c4639b 256 if (di<0) {
Wizo 0:b69a47c4639b 257 di += dy_x2;
Wizo 0:b69a47c4639b 258 } else {
Wizo 0:b69a47c4639b 259 di += dy_x2 - dx_x2;
Wizo 0:b69a47c4639b 260 y0 += dy_sym;
Wizo 0:b69a47c4639b 261 }
Wizo 0:b69a47c4639b 262 }
Wizo 0:b69a47c4639b 263 pixel(x0, y0, color);
Wizo 0:b69a47c4639b 264 } else {
Wizo 0:b69a47c4639b 265 di = dx_x2 - dy;
Wizo 0:b69a47c4639b 266 while (y0 != y1) {
Wizo 0:b69a47c4639b 267 pixel(x0, y0, color);
Wizo 0:b69a47c4639b 268 y0 += dy_sym;
Wizo 0:b69a47c4639b 269 if (di < 0) {
Wizo 0:b69a47c4639b 270 di += dx_x2;
Wizo 0:b69a47c4639b 271 } else {
Wizo 0:b69a47c4639b 272 di += dx_x2 - dy_x2;
Wizo 0:b69a47c4639b 273 x0 += dx_sym;
Wizo 0:b69a47c4639b 274 }
Wizo 0:b69a47c4639b 275 }
Wizo 0:b69a47c4639b 276 pixel(x0, y0, color);
Wizo 0:b69a47c4639b 277 }
Wizo 0:b69a47c4639b 278 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 279 }
Wizo 0:b69a47c4639b 280
Wizo 0:b69a47c4639b 281 void C12832::rect(int x0, int y0, int x1, int y1, int color)
Wizo 0:b69a47c4639b 282 {
Wizo 0:b69a47c4639b 283
Wizo 0:b69a47c4639b 284 if (x1 > x0) line(x0,y0,x1,y0,color);
Wizo 0:b69a47c4639b 285 else line(x1,y0,x0,y0,color);
Wizo 0:b69a47c4639b 286
Wizo 0:b69a47c4639b 287 if (y1 > y0) line(x0,y0,x0,y1,color);
Wizo 0:b69a47c4639b 288 else line(x0,y1,x0,y0,color);
Wizo 0:b69a47c4639b 289
Wizo 0:b69a47c4639b 290 if (x1 > x0) line(x0,y1,x1,y1,color);
Wizo 0:b69a47c4639b 291 else line(x1,y1,x0,y1,color);
Wizo 0:b69a47c4639b 292
Wizo 0:b69a47c4639b 293 if (y1 > y0) line(x1,y0,x1,y1,color);
Wizo 0:b69a47c4639b 294 else line(x1,y1,x1,y0,color);
Wizo 0:b69a47c4639b 295
Wizo 0:b69a47c4639b 296 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 297 }
Wizo 0:b69a47c4639b 298
Wizo 0:b69a47c4639b 299 void C12832::fillrect(int x0, int y0, int x1, int y1, int color)
Wizo 0:b69a47c4639b 300 {
Wizo 0:b69a47c4639b 301 int l,c,i;
Wizo 0:b69a47c4639b 302 if(x0 > x1) {
Wizo 0:b69a47c4639b 303 i = x0;
Wizo 0:b69a47c4639b 304 x0 = x1;
Wizo 0:b69a47c4639b 305 x1 = i;
Wizo 0:b69a47c4639b 306 }
Wizo 0:b69a47c4639b 307
Wizo 0:b69a47c4639b 308 if(y0 > y1) {
Wizo 0:b69a47c4639b 309 i = y0;
Wizo 0:b69a47c4639b 310 y0 = y1;
Wizo 0:b69a47c4639b 311 y1 = i;
Wizo 0:b69a47c4639b 312 }
Wizo 0:b69a47c4639b 313
Wizo 0:b69a47c4639b 314 for(l = x0; l<= x1; l ++) {
Wizo 0:b69a47c4639b 315 for(c = y0; c<= y1; c++) {
Wizo 0:b69a47c4639b 316 pixel(l,c,color);
Wizo 0:b69a47c4639b 317 }
Wizo 0:b69a47c4639b 318 }
Wizo 0:b69a47c4639b 319 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 320 }
Wizo 0:b69a47c4639b 321
Wizo 0:b69a47c4639b 322
Wizo 0:b69a47c4639b 323
Wizo 0:b69a47c4639b 324 void C12832::circle(int x0, int y0, int r, int color)
Wizo 0:b69a47c4639b 325 {
Wizo 0:b69a47c4639b 326
Wizo 0:b69a47c4639b 327 int draw_x0, draw_y0;
Wizo 0:b69a47c4639b 328 int draw_x1, draw_y1;
Wizo 0:b69a47c4639b 329 int draw_x2, draw_y2;
Wizo 0:b69a47c4639b 330 int draw_x3, draw_y3;
Wizo 0:b69a47c4639b 331 int draw_x4, draw_y4;
Wizo 0:b69a47c4639b 332 int draw_x5, draw_y5;
Wizo 0:b69a47c4639b 333 int draw_x6, draw_y6;
Wizo 0:b69a47c4639b 334 int draw_x7, draw_y7;
Wizo 0:b69a47c4639b 335 int xx, yy;
Wizo 0:b69a47c4639b 336 int di;
Wizo 0:b69a47c4639b 337 //WindowMax();
Wizo 0:b69a47c4639b 338 if (r == 0) { /* no radius */
Wizo 0:b69a47c4639b 339 return;
Wizo 0:b69a47c4639b 340 }
Wizo 0:b69a47c4639b 341
Wizo 0:b69a47c4639b 342 draw_x0 = draw_x1 = x0;
Wizo 0:b69a47c4639b 343 draw_y0 = draw_y1 = y0 + r;
Wizo 0:b69a47c4639b 344 if (draw_y0 < height()) {
Wizo 0:b69a47c4639b 345 pixel(draw_x0, draw_y0, color); /* 90 degree */
Wizo 0:b69a47c4639b 346 }
Wizo 0:b69a47c4639b 347
Wizo 0:b69a47c4639b 348 draw_x2 = draw_x3 = x0;
Wizo 0:b69a47c4639b 349 draw_y2 = draw_y3 = y0 - r;
Wizo 0:b69a47c4639b 350 if (draw_y2 >= 0) {
Wizo 0:b69a47c4639b 351 pixel(draw_x2, draw_y2, color); /* 270 degree */
Wizo 0:b69a47c4639b 352 }
Wizo 0:b69a47c4639b 353
Wizo 0:b69a47c4639b 354 draw_x4 = draw_x6 = x0 + r;
Wizo 0:b69a47c4639b 355 draw_y4 = draw_y6 = y0;
Wizo 0:b69a47c4639b 356 if (draw_x4 < width()) {
Wizo 0:b69a47c4639b 357 pixel(draw_x4, draw_y4, color); /* 0 degree */
Wizo 0:b69a47c4639b 358 }
Wizo 0:b69a47c4639b 359
Wizo 0:b69a47c4639b 360 draw_x5 = draw_x7 = x0 - r;
Wizo 0:b69a47c4639b 361 draw_y5 = draw_y7 = y0;
Wizo 0:b69a47c4639b 362 if (draw_x5>=0) {
Wizo 0:b69a47c4639b 363 pixel(draw_x5, draw_y5, color); /* 180 degree */
Wizo 0:b69a47c4639b 364 }
Wizo 0:b69a47c4639b 365
Wizo 0:b69a47c4639b 366 if (r == 1) {
Wizo 0:b69a47c4639b 367 return;
Wizo 0:b69a47c4639b 368 }
Wizo 0:b69a47c4639b 369
Wizo 0:b69a47c4639b 370 di = 3 - 2*r;
Wizo 0:b69a47c4639b 371 xx = 0;
Wizo 0:b69a47c4639b 372 yy = r;
Wizo 0:b69a47c4639b 373 while (xx < yy) {
Wizo 0:b69a47c4639b 374
Wizo 0:b69a47c4639b 375 if (di < 0) {
Wizo 0:b69a47c4639b 376 di += 4*xx + 6;
Wizo 0:b69a47c4639b 377 } else {
Wizo 0:b69a47c4639b 378 di += 4*(xx - yy) + 10;
Wizo 0:b69a47c4639b 379 yy--;
Wizo 0:b69a47c4639b 380 draw_y0--;
Wizo 0:b69a47c4639b 381 draw_y1--;
Wizo 0:b69a47c4639b 382 draw_y2++;
Wizo 0:b69a47c4639b 383 draw_y3++;
Wizo 0:b69a47c4639b 384 draw_x4--;
Wizo 0:b69a47c4639b 385 draw_x5++;
Wizo 0:b69a47c4639b 386 draw_x6--;
Wizo 0:b69a47c4639b 387 draw_x7++;
Wizo 0:b69a47c4639b 388 }
Wizo 0:b69a47c4639b 389 xx++;
Wizo 0:b69a47c4639b 390 draw_x0++;
Wizo 0:b69a47c4639b 391 draw_x1--;
Wizo 0:b69a47c4639b 392 draw_x2++;
Wizo 0:b69a47c4639b 393 draw_x3--;
Wizo 0:b69a47c4639b 394 draw_y4++;
Wizo 0:b69a47c4639b 395 draw_y5++;
Wizo 0:b69a47c4639b 396 draw_y6--;
Wizo 0:b69a47c4639b 397 draw_y7--;
Wizo 0:b69a47c4639b 398
Wizo 0:b69a47c4639b 399 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
Wizo 0:b69a47c4639b 400 pixel(draw_x0, draw_y0, color);
Wizo 0:b69a47c4639b 401 }
Wizo 0:b69a47c4639b 402
Wizo 0:b69a47c4639b 403 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
Wizo 0:b69a47c4639b 404 pixel(draw_x1, draw_y1, color);
Wizo 0:b69a47c4639b 405 }
Wizo 0:b69a47c4639b 406
Wizo 0:b69a47c4639b 407 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
Wizo 0:b69a47c4639b 408 pixel(draw_x2, draw_y2, color);
Wizo 0:b69a47c4639b 409 }
Wizo 0:b69a47c4639b 410
Wizo 0:b69a47c4639b 411 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
Wizo 0:b69a47c4639b 412 pixel(draw_x3, draw_y3, color);
Wizo 0:b69a47c4639b 413 }
Wizo 0:b69a47c4639b 414
Wizo 0:b69a47c4639b 415 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
Wizo 0:b69a47c4639b 416 pixel(draw_x4, draw_y4, color);
Wizo 0:b69a47c4639b 417 }
Wizo 0:b69a47c4639b 418
Wizo 0:b69a47c4639b 419 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
Wizo 0:b69a47c4639b 420 pixel(draw_x5, draw_y5, color);
Wizo 0:b69a47c4639b 421 }
Wizo 0:b69a47c4639b 422 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
Wizo 0:b69a47c4639b 423 pixel(draw_x6, draw_y6, color);
Wizo 0:b69a47c4639b 424 }
Wizo 0:b69a47c4639b 425 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
Wizo 0:b69a47c4639b 426 pixel(draw_x7, draw_y7, color);
Wizo 0:b69a47c4639b 427 }
Wizo 0:b69a47c4639b 428 }
Wizo 0:b69a47c4639b 429 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 430 }
Wizo 0:b69a47c4639b 431
Wizo 0:b69a47c4639b 432 void C12832::fillcircle(int x, int y, int r, int color)
Wizo 0:b69a47c4639b 433 {
Wizo 0:b69a47c4639b 434 int i,up;
Wizo 0:b69a47c4639b 435 up = auto_up;
Wizo 0:b69a47c4639b 436 auto_up = 0; // off
Wizo 0:b69a47c4639b 437 for (i = 0; i <= r; i++)
Wizo 0:b69a47c4639b 438 circle(x,y,i,color);
Wizo 0:b69a47c4639b 439 auto_up = up;
Wizo 0:b69a47c4639b 440 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 441 }
Wizo 0:b69a47c4639b 442
Wizo 0:b69a47c4639b 443 void C12832::setmode(int mode)
Wizo 0:b69a47c4639b 444 {
Wizo 0:b69a47c4639b 445 draw_mode = mode;
Wizo 0:b69a47c4639b 446 }
Wizo 0:b69a47c4639b 447
Wizo 0:b69a47c4639b 448 void C12832::locate(int x, int y)
Wizo 0:b69a47c4639b 449 {
Wizo 0:b69a47c4639b 450 char_x = x;
Wizo 0:b69a47c4639b 451 char_y = y;
Wizo 0:b69a47c4639b 452 }
Wizo 0:b69a47c4639b 453
Wizo 0:b69a47c4639b 454
Wizo 0:b69a47c4639b 455
Wizo 0:b69a47c4639b 456 int C12832::columns()
Wizo 0:b69a47c4639b 457 {
Wizo 0:b69a47c4639b 458 return width() / font[1];
Wizo 0:b69a47c4639b 459 }
Wizo 0:b69a47c4639b 460
Wizo 0:b69a47c4639b 461
Wizo 0:b69a47c4639b 462
Wizo 0:b69a47c4639b 463 int C12832::rows()
Wizo 0:b69a47c4639b 464 {
Wizo 0:b69a47c4639b 465 return height() / font[2];
Wizo 0:b69a47c4639b 466 }
Wizo 0:b69a47c4639b 467
Wizo 0:b69a47c4639b 468
Wizo 0:b69a47c4639b 469
Wizo 0:b69a47c4639b 470 int C12832::_putc(int value)
Wizo 0:b69a47c4639b 471 {
Wizo 0:b69a47c4639b 472 if (value == '\n') { // new line
Wizo 0:b69a47c4639b 473 char_x = 0;
Wizo 0:b69a47c4639b 474 char_y = char_y + font[2];
Wizo 0:b69a47c4639b 475 if (char_y >= height() - font[2]) {
Wizo 0:b69a47c4639b 476 char_y = 0;
Wizo 0:b69a47c4639b 477 }
Wizo 0:b69a47c4639b 478 } else {
Wizo 0:b69a47c4639b 479 character(char_x, char_y, value);
Wizo 0:b69a47c4639b 480 if(auto_up) copy_to_lcd();
Wizo 0:b69a47c4639b 481 }
Wizo 0:b69a47c4639b 482 return value;
Wizo 0:b69a47c4639b 483 }
Wizo 0:b69a47c4639b 484
Wizo 0:b69a47c4639b 485 void C12832::character(int x, int y, int c)
Wizo 0:b69a47c4639b 486 {
Wizo 0:b69a47c4639b 487 unsigned int hor,vert,offset,bpl,j,i,b;
Wizo 0:b69a47c4639b 488 unsigned char* zeichen;
Wizo 0:b69a47c4639b 489 unsigned char z,w;
Wizo 0:b69a47c4639b 490
Wizo 0:b69a47c4639b 491 if ((c < 31) || (c > 127)) return; // test char range
Wizo 0:b69a47c4639b 492
Wizo 0:b69a47c4639b 493 // read font parameter from start of array
Wizo 0:b69a47c4639b 494 offset = font[0]; // bytes / char
Wizo 0:b69a47c4639b 495 hor = font[1]; // get hor size of font
Wizo 0:b69a47c4639b 496 vert = font[2]; // get vert size of font
Wizo 0:b69a47c4639b 497 bpl = font[3]; // bytes per line
Wizo 0:b69a47c4639b 498
Wizo 0:b69a47c4639b 499 if (char_x + hor > width()) {
Wizo 0:b69a47c4639b 500 char_x = 0;
Wizo 0:b69a47c4639b 501 char_y = char_y + vert;
Wizo 0:b69a47c4639b 502 if (char_y >= height() - font[2]) {
Wizo 0:b69a47c4639b 503 char_y = 0;
Wizo 0:b69a47c4639b 504 }
Wizo 0:b69a47c4639b 505 }
Wizo 0:b69a47c4639b 506
Wizo 0:b69a47c4639b 507 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
Wizo 0:b69a47c4639b 508 w = zeichen[0]; // width of actual char
Wizo 0:b69a47c4639b 509 // construct the char into the buffer
Wizo 0:b69a47c4639b 510 for (j=0; j<vert; j++) { // vert line
Wizo 0:b69a47c4639b 511 for (i=0; i<hor; i++) { // horz line
Wizo 0:b69a47c4639b 512 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
Wizo 0:b69a47c4639b 513 b = 1 << (j & 0x07);
Wizo 0:b69a47c4639b 514 if (( z & b ) == 0x00) {
Wizo 0:b69a47c4639b 515 pixel(x+i,y+j,0);
Wizo 0:b69a47c4639b 516 } else {
Wizo 0:b69a47c4639b 517 pixel(x+i,y+j,1);
Wizo 0:b69a47c4639b 518 }
Wizo 0:b69a47c4639b 519
Wizo 0:b69a47c4639b 520 }
Wizo 0:b69a47c4639b 521 }
Wizo 0:b69a47c4639b 522
Wizo 0:b69a47c4639b 523 char_x += w;
Wizo 0:b69a47c4639b 524 }
Wizo 0:b69a47c4639b 525
Wizo 0:b69a47c4639b 526
Wizo 0:b69a47c4639b 527 void C12832::set_font(unsigned char* f)
Wizo 0:b69a47c4639b 528 {
Wizo 0:b69a47c4639b 529 font = f;
Wizo 0:b69a47c4639b 530 }
Wizo 0:b69a47c4639b 531
Wizo 0:b69a47c4639b 532 void C12832::set_auto_up(unsigned int up)
Wizo 0:b69a47c4639b 533 {
Wizo 0:b69a47c4639b 534 if(up ) auto_up = 1;
Wizo 0:b69a47c4639b 535 else auto_up = 0;
Wizo 0:b69a47c4639b 536 }
Wizo 0:b69a47c4639b 537
Wizo 0:b69a47c4639b 538 unsigned int C12832::get_auto_up(void)
Wizo 0:b69a47c4639b 539 {
Wizo 0:b69a47c4639b 540 return (auto_up);
Wizo 0:b69a47c4639b 541 }
Wizo 0:b69a47c4639b 542
Wizo 0:b69a47c4639b 543 void C12832::print_bm(Bitmap bm, int x, int y)
Wizo 0:b69a47c4639b 544 {
Wizo 0:b69a47c4639b 545 int h,v,b;
Wizo 0:b69a47c4639b 546 char d;
Wizo 0:b69a47c4639b 547
Wizo 0:b69a47c4639b 548 for(v=0; v < bm.ySize; v++) { // lines
Wizo 0:b69a47c4639b 549 for(h=0; h < bm.xSize; h++) { // pixel
Wizo 0:b69a47c4639b 550 if(h + x > 127) break;
Wizo 0:b69a47c4639b 551 if(v + y > 31) break;
Wizo 0:b69a47c4639b 552 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
Wizo 0:b69a47c4639b 553 b = 0x80 >> (h & 0x07);
Wizo 0:b69a47c4639b 554 if((d & b) == 0) {
Wizo 0:b69a47c4639b 555 pixel(x+h,y+v,0);
Wizo 0:b69a47c4639b 556 } else {
Wizo 0:b69a47c4639b 557 pixel(x+h,y+v,1);
Wizo 0:b69a47c4639b 558 }
Wizo 0:b69a47c4639b 559 }
Wizo 0:b69a47c4639b 560 }
Wizo 0:b69a47c4639b 561
Wizo 0:b69a47c4639b 562 }
Wizo 0:b69a47c4639b 563
Wizo 0:b69a47c4639b 564