PB / DOGL128

C12832 by dreschpe modified to work with the DOGL128-6 LCD Display (ST7565R based)

Dependents:   DOGL128Test

Fork of C12832_lcd by Peter Drescher

C12832_lcd.cpp@11:045ceacdd1af, 2016-07-16 (annotated)

Committer:
Sateg
Date:
Sat Jul 16 18:46:12 2016 +0000
Revision:
11:045ceacdd1af
Parent:
3:468cdccff7af
Child:
12:a66fded29327
Modification so that DogL 128 works.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:4bbc531be6e2 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
dreschpe 0:4bbc531be6e2 2 * use C12832 controller
dreschpe 0:4bbc531be6e2 3 * Copyright (c) 2012 Peter Drescher - DC2PD
dreschpe 0:4bbc531be6e2 4 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:4bbc531be6e2 5 *
dreschpe 0:4bbc531be6e2 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:4bbc531be6e2 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:4bbc531be6e2 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:4bbc531be6e2 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:4bbc531be6e2 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:4bbc531be6e2 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:4bbc531be6e2 12 * THE SOFTWARE.
dreschpe 0:4bbc531be6e2 13 */
dreschpe 0:4bbc531be6e2 14
dreschpe 0:4bbc531be6e2 15 // 13.10.12 initial design
dreschpe 3:468cdccff7af 16 // 25.10.12 add autorefresh of screen
dreschpe 3:468cdccff7af 17 // 25.10.12 add standart font
dreschpe 3:468cdccff7af 18
dreschpe 0:4bbc531be6e2 19 // optional defines :
dreschpe 3:468cdccff7af 20 // #define debug_lcd 1
dreschpe 0:4bbc531be6e2 21
dreschpe 0:4bbc531be6e2 22 #include "C12832_lcd.h"
dreschpe 0:4bbc531be6e2 23 #include "mbed.h"
dreschpe 0:4bbc531be6e2 24 #include "stdio.h"
dreschpe 3:468cdccff7af 25 #include "Small_7.h"
dreschpe 0:4bbc531be6e2 26
dreschpe 0:4bbc531be6e2 27 #define BPP 1 // Bits per pixel
dreschpe 0:4bbc531be6e2 28
dreschpe 0:4bbc531be6e2 29 C12832_LCD::C12832_LCD(const char* name)
Sateg 11:045ceacdd1af 30 : GraphicsDisplay(name), _spi(SPI_MOSI, NC, SPI_SCK), _reset(D7), _A0(D9), _CS(D8)
dreschpe 0:4bbc531be6e2 31 {
dreschpe 0:4bbc531be6e2 32 orientation = 1;
Sateg 11:045ceacdd1af 33 contrast = 23;
dreschpe 0:4bbc531be6e2 34 draw_mode = NORMAL;
dreschpe 0:4bbc531be6e2 35 char_x = 0;
dreschpe 0:4bbc531be6e2 36 lcd_reset();
dreschpe 0:4bbc531be6e2 37 }
dreschpe 0:4bbc531be6e2 38
dreschpe 0:4bbc531be6e2 39 int C12832_LCD::width()
dreschpe 0:4bbc531be6e2 40 {
Sateg 11:045ceacdd1af 41 if (orientation == 0 || orientation == 2) return 64;
dreschpe 0:4bbc531be6e2 42 else return 128;
dreschpe 0:4bbc531be6e2 43 }
dreschpe 0:4bbc531be6e2 44
dreschpe 0:4bbc531be6e2 45 int C12832_LCD::height()
dreschpe 0:4bbc531be6e2 46 {
dreschpe 0:4bbc531be6e2 47 if (orientation == 0 || orientation == 2) return 128;
Sateg 11:045ceacdd1af 48 else return 64;
dreschpe 0:4bbc531be6e2 49 }
dreschpe 0:4bbc531be6e2 50
dreschpe 0:4bbc531be6e2 51
dreschpe 1:66dd8afbfd06 52 /*void C12832_LCD::set_orientation(unsigned int o)
dreschpe 0:4bbc531be6e2 53 {
dreschpe 0:4bbc531be6e2 54 orientation = o;
dreschpe 0:4bbc531be6e2 55 switch (o) {
dreschpe 0:4bbc531be6e2 56 case (0):
dreschpe 0:4bbc531be6e2 57 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 58 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 59 break;
dreschpe 0:4bbc531be6e2 60 case (1):
dreschpe 0:4bbc531be6e2 61 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 62 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 63 break;
dreschpe 0:4bbc531be6e2 64 case (2):
dreschpe 0:4bbc531be6e2 65 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 66 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 67 break;
dreschpe 0:4bbc531be6e2 68 case (3):
dreschpe 0:4bbc531be6e2 69 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 70 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 71 break;
dreschpe 0:4bbc531be6e2 72 }
dreschpe 0:4bbc531be6e2 73 }
dreschpe 0:4bbc531be6e2 74
dreschpe 1:66dd8afbfd06 75 */
dreschpe 1:66dd8afbfd06 76
dreschpe 0:4bbc531be6e2 77 void C12832_LCD::invert(unsigned int o)
dreschpe 0:4bbc531be6e2 78 {
dreschpe 0:4bbc531be6e2 79 if(o == 0) wr_cmd(0xA6);
dreschpe 0:4bbc531be6e2 80 else wr_cmd(0xA7);
dreschpe 0:4bbc531be6e2 81 }
dreschpe 0:4bbc531be6e2 82
dreschpe 0:4bbc531be6e2 83
dreschpe 0:4bbc531be6e2 84 void C12832_LCD::set_contrast(unsigned int o)
dreschpe 0:4bbc531be6e2 85 {
dreschpe 1:66dd8afbfd06 86 contrast = o;
dreschpe 0:4bbc531be6e2 87 wr_cmd(0x81); // set volume
dreschpe 2:bdc53502af17 88 wr_cmd(o & 0x3F);
dreschpe 0:4bbc531be6e2 89 }
dreschpe 0:4bbc531be6e2 90
dreschpe 1:66dd8afbfd06 91 unsigned int C12832_LCD::get_contrast(void)
dreschpe 1:66dd8afbfd06 92 {
dreschpe 1:66dd8afbfd06 93 return(contrast);
dreschpe 1:66dd8afbfd06 94 }
dreschpe 1:66dd8afbfd06 95
dreschpe 0:4bbc531be6e2 96
dreschpe 0:4bbc531be6e2 97 // write command to lcd controller
dreschpe 0:4bbc531be6e2 98
dreschpe 0:4bbc531be6e2 99 void C12832_LCD::wr_cmd(unsigned char cmd)
dreschpe 0:4bbc531be6e2 100 {
dreschpe 0:4bbc531be6e2 101 _A0 = 0;
dreschpe 0:4bbc531be6e2 102 _CS = 0;
dreschpe 2:bdc53502af17 103 _spi.write(cmd);
Sateg 11:045ceacdd1af 104 _CS = 1;
dreschpe 0:4bbc531be6e2 105 }
dreschpe 0:4bbc531be6e2 106
dreschpe 0:4bbc531be6e2 107 // write data to lcd controller
dreschpe 0:4bbc531be6e2 108
dreschpe 0:4bbc531be6e2 109 void C12832_LCD::wr_dat(unsigned char dat)
dreschpe 0:4bbc531be6e2 110 {
dreschpe 0:4bbc531be6e2 111 _A0 = 1;
dreschpe 0:4bbc531be6e2 112 _CS = 0;
dreschpe 2:bdc53502af17 113 _spi.write(dat);
dreschpe 0:4bbc531be6e2 114 _CS = 1;
dreschpe 0:4bbc531be6e2 115 }
dreschpe 0:4bbc531be6e2 116
dreschpe 0:4bbc531be6e2 117 // reset and init the lcd controller
dreschpe 0:4bbc531be6e2 118
dreschpe 0:4bbc531be6e2 119 void C12832_LCD::lcd_reset()
dreschpe 0:4bbc531be6e2 120 {
dreschpe 0:4bbc531be6e2 121
dreschpe 0:4bbc531be6e2 122 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 0:4bbc531be6e2 123 _spi.frequency(20000000); // 19,2 Mhz SPI clock
dreschpe 0:4bbc531be6e2 124 _A0 = 0;
dreschpe 0:4bbc531be6e2 125 _CS = 1;
dreschpe 0:4bbc531be6e2 126 _reset = 0; // display reset
dreschpe 0:4bbc531be6e2 127 wait_us(50);
dreschpe 0:4bbc531be6e2 128 _reset = 1; // end reset
dreschpe 0:4bbc531be6e2 129 wait_ms(5);
dreschpe 0:4bbc531be6e2 130
dreschpe 0:4bbc531be6e2 131 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 0:4bbc531be6e2 132
dreschpe 0:4bbc531be6e2 133 wr_cmd(0xAE); // display off
dreschpe 0:4bbc531be6e2 134 wr_cmd(0xA2); // bias voltage
dreschpe 0:4bbc531be6e2 135
dreschpe 0:4bbc531be6e2 136 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 137 wr_cmd(0xC8); // colum normal
dreschpe 0:4bbc531be6e2 138
dreschpe 0:4bbc531be6e2 139 wr_cmd(0x22); // voltage resistor ratio
dreschpe 0:4bbc531be6e2 140 wr_cmd(0x2F); // power on
dreschpe 1:66dd8afbfd06 141 //wr_cmd(0xA4); // LCD display ram
dreschpe 0:4bbc531be6e2 142 wr_cmd(0x40); // start line = 0
dreschpe 0:4bbc531be6e2 143 wr_cmd(0xAF); // display ON
dreschpe 0:4bbc531be6e2 144
dreschpe 0:4bbc531be6e2 145 wr_cmd(0x81); // set contrast
dreschpe 0:4bbc531be6e2 146 wr_cmd(0x17); // set contrast
dreschpe 0:4bbc531be6e2 147
dreschpe 0:4bbc531be6e2 148 wr_cmd(0xA6); // display normal
dreschpe 0:4bbc531be6e2 149
dreschpe 0:4bbc531be6e2 150 // clear and update LCD
Sateg 11:045ceacdd1af 151 memset(buffer,0x00,1024); // clear display buffer
dreschpe 0:4bbc531be6e2 152 copy_to_lcd();
dreschpe 3:468cdccff7af 153 auto_up = 1; // switch on auto update
dreschpe 3:468cdccff7af 154 claim(stdout); // redirekt printf to lcd
dreschpe 3:468cdccff7af 155 locate(0,0);
dreschpe 3:468cdccff7af 156 set_font((unsigned char*)Small_7); // standart font
dreschpe 0:4bbc531be6e2 157 }
dreschpe 0:4bbc531be6e2 158
dreschpe 0:4bbc531be6e2 159 // set one pixel in buffer
dreschpe 0:4bbc531be6e2 160
dreschpe 0:4bbc531be6e2 161 void C12832_LCD::pixel(int x, int y, int color)
dreschpe 0:4bbc531be6e2 162 {
dreschpe 0:4bbc531be6e2 163 // first check parameter
Sateg 11:045ceacdd1af 164 if(x > 128 || y > 64 || x < 0 || y < 0) return;
dreschpe 0:4bbc531be6e2 165
dreschpe 0:4bbc531be6e2 166 if(draw_mode == NORMAL) {
dreschpe 0:4bbc531be6e2 167 if(color == 0)
dreschpe 0:4bbc531be6e2 168 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
dreschpe 0:4bbc531be6e2 169 else
dreschpe 0:4bbc531be6e2 170 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
dreschpe 0:4bbc531be6e2 171 } else { // XOR mode
dreschpe 0:4bbc531be6e2 172 if(color == 1)
dreschpe 0:4bbc531be6e2 173 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
dreschpe 0:4bbc531be6e2 174 }
dreschpe 0:4bbc531be6e2 175 }
dreschpe 0:4bbc531be6e2 176
dreschpe 0:4bbc531be6e2 177 // update lcd
dreschpe 0:4bbc531be6e2 178
dreschpe 0:4bbc531be6e2 179 void C12832_LCD::copy_to_lcd(void)
dreschpe 0:4bbc531be6e2 180 {
dreschpe 2:bdc53502af17 181 int i;
Sateg 11:045ceacdd1af 182
dreschpe 0:4bbc531be6e2 183 //page 0
dreschpe 0:4bbc531be6e2 184 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 185 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 186 wr_cmd(0xB0); // set page address 0
dreschpe 2:bdc53502af17 187 _A0 = 1;
Sateg 11:045ceacdd1af 188
Sateg 11:045ceacdd1af 189 for (i=0;i<128;i++) {
dreschpe 2:bdc53502af17 190 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 191 }
dreschpe 0:4bbc531be6e2 192
dreschpe 0:4bbc531be6e2 193 // page 1
dreschpe 0:4bbc531be6e2 194 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 195 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 196 wr_cmd(0xB1); // set page address 1
dreschpe 2:bdc53502af17 197 _A0 = 1;
Sateg 11:045ceacdd1af 198
Sateg 11:045ceacdd1af 199 for (i=128;i<256;i++) {
dreschpe 2:bdc53502af17 200 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 201 }
dreschpe 0:4bbc531be6e2 202
dreschpe 0:4bbc531be6e2 203 //page 2
dreschpe 0:4bbc531be6e2 204 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 205 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 206 wr_cmd(0xB2); // set page address 2
dreschpe 2:bdc53502af17 207 _A0 = 1;
Sateg 11:045ceacdd1af 208
Sateg 11:045ceacdd1af 209 for (i=256;i<384;i++) {
dreschpe 2:bdc53502af17 210 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 211 }
dreschpe 2:bdc53502af17 212
dreschpe 0:4bbc531be6e2 213 //page 3
dreschpe 0:4bbc531be6e2 214 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 215 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 216 wr_cmd(0xB3); // set page address 3
dreschpe 0:4bbc531be6e2 217 _A0 = 1;
Sateg 11:045ceacdd1af 218
Sateg 11:045ceacdd1af 219 for (i=384;i<512;i++) {
dreschpe 2:bdc53502af17 220 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 221 }
dreschpe 0:4bbc531be6e2 222 }
dreschpe 0:4bbc531be6e2 223
dreschpe 0:4bbc531be6e2 224 void C12832_LCD::cls(void)
dreschpe 0:4bbc531be6e2 225 {
Sateg 11:045ceacdd1af 226 memset(buffer,0x00,1024); // clear display buffer
dreschpe 0:4bbc531be6e2 227 copy_to_lcd();
dreschpe 0:4bbc531be6e2 228 }
dreschpe 0:4bbc531be6e2 229
dreschpe 0:4bbc531be6e2 230
dreschpe 0:4bbc531be6e2 231 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 232 {
dreschpe 0:4bbc531be6e2 233 int dx = 0, dy = 0;
dreschpe 0:4bbc531be6e2 234 int dx_sym = 0, dy_sym = 0;
dreschpe 0:4bbc531be6e2 235 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:4bbc531be6e2 236 int di = 0;
dreschpe 0:4bbc531be6e2 237
dreschpe 0:4bbc531be6e2 238 dx = x1-x0;
dreschpe 0:4bbc531be6e2 239 dy = y1-y0;
dreschpe 0:4bbc531be6e2 240
dreschpe 0:4bbc531be6e2 241 // if (dx == 0) { /* vertical line */
dreschpe 0:4bbc531be6e2 242 // if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:4bbc531be6e2 243 // else vline(x0,y1,y0,color);
dreschpe 0:4bbc531be6e2 244 // return;
dreschpe 0:4bbc531be6e2 245 // }
dreschpe 0:4bbc531be6e2 246
dreschpe 0:4bbc531be6e2 247 if (dx > 0) {
dreschpe 0:4bbc531be6e2 248 dx_sym = 1;
dreschpe 0:4bbc531be6e2 249 } else {
dreschpe 0:4bbc531be6e2 250 dx_sym = -1;
dreschpe 0:4bbc531be6e2 251 }
dreschpe 0:4bbc531be6e2 252 // if (dy == 0) { /* horizontal line */
dreschpe 0:4bbc531be6e2 253 // if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:4bbc531be6e2 254 // else hline(x1,x0,y0,color);
dreschpe 0:4bbc531be6e2 255 // return;
dreschpe 0:4bbc531be6e2 256 // }
dreschpe 0:4bbc531be6e2 257
dreschpe 0:4bbc531be6e2 258 if (dy > 0) {
dreschpe 0:4bbc531be6e2 259 dy_sym = 1;
dreschpe 0:4bbc531be6e2 260 } else {
dreschpe 0:4bbc531be6e2 261 dy_sym = -1;
dreschpe 0:4bbc531be6e2 262 }
dreschpe 0:4bbc531be6e2 263
dreschpe 0:4bbc531be6e2 264 dx = dx_sym*dx;
dreschpe 0:4bbc531be6e2 265 dy = dy_sym*dy;
dreschpe 0:4bbc531be6e2 266
dreschpe 0:4bbc531be6e2 267 dx_x2 = dx*2;
dreschpe 0:4bbc531be6e2 268 dy_x2 = dy*2;
dreschpe 0:4bbc531be6e2 269
dreschpe 0:4bbc531be6e2 270 if (dx >= dy) {
dreschpe 0:4bbc531be6e2 271 di = dy_x2 - dx;
dreschpe 0:4bbc531be6e2 272 while (x0 != x1) {
dreschpe 0:4bbc531be6e2 273
dreschpe 0:4bbc531be6e2 274 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 275 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 276 if (di<0) {
dreschpe 0:4bbc531be6e2 277 di += dy_x2;
dreschpe 0:4bbc531be6e2 278 } else {
dreschpe 0:4bbc531be6e2 279 di += dy_x2 - dx_x2;
dreschpe 0:4bbc531be6e2 280 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 281 }
dreschpe 0:4bbc531be6e2 282 }
dreschpe 0:4bbc531be6e2 283 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 284 } else {
dreschpe 0:4bbc531be6e2 285 di = dx_x2 - dy;
dreschpe 0:4bbc531be6e2 286 while (y0 != y1) {
dreschpe 0:4bbc531be6e2 287 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 288 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 289 if (di < 0) {
dreschpe 0:4bbc531be6e2 290 di += dx_x2;
dreschpe 0:4bbc531be6e2 291 } else {
dreschpe 0:4bbc531be6e2 292 di += dx_x2 - dy_x2;
dreschpe 0:4bbc531be6e2 293 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 294 }
dreschpe 0:4bbc531be6e2 295 }
dreschpe 0:4bbc531be6e2 296 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 297 }
dreschpe 3:468cdccff7af 298 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 299 }
dreschpe 0:4bbc531be6e2 300
dreschpe 0:4bbc531be6e2 301 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 302 {
dreschpe 0:4bbc531be6e2 303
dreschpe 0:4bbc531be6e2 304 if (x1 > x0) line(x0,y0,x1,y0,color);
dreschpe 0:4bbc531be6e2 305 else line(x1,y0,x0,y0,color);
dreschpe 0:4bbc531be6e2 306
dreschpe 0:4bbc531be6e2 307 if (y1 > y0) line(x0,y0,x0,y1,color);
dreschpe 0:4bbc531be6e2 308 else line(x0,y1,x0,y0,color);
dreschpe 0:4bbc531be6e2 309
dreschpe 0:4bbc531be6e2 310 if (x1 > x0) line(x0,y1,x1,y1,color);
dreschpe 0:4bbc531be6e2 311 else line(x1,y1,x0,y1,color);
dreschpe 0:4bbc531be6e2 312
dreschpe 0:4bbc531be6e2 313 if (y1 > y0) line(x1,y0,x1,y1,color);
dreschpe 0:4bbc531be6e2 314 else line(x1,y1,x1,y0,color);
dreschpe 0:4bbc531be6e2 315
dreschpe 3:468cdccff7af 316 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 317 }
dreschpe 0:4bbc531be6e2 318
dreschpe 0:4bbc531be6e2 319 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 320 {
dreschpe 0:4bbc531be6e2 321 int l,c,i;
dreschpe 0:4bbc531be6e2 322 if(x0 > x1) {
dreschpe 0:4bbc531be6e2 323 i = x0;
dreschpe 0:4bbc531be6e2 324 x0 = x1;
dreschpe 0:4bbc531be6e2 325 x1 = i;
dreschpe 0:4bbc531be6e2 326 }
dreschpe 0:4bbc531be6e2 327
dreschpe 0:4bbc531be6e2 328 if(y0 > y1) {
dreschpe 0:4bbc531be6e2 329 i = y0;
dreschpe 0:4bbc531be6e2 330 y0 = y1;
dreschpe 0:4bbc531be6e2 331 y1 = i;
dreschpe 0:4bbc531be6e2 332 }
dreschpe 0:4bbc531be6e2 333
dreschpe 0:4bbc531be6e2 334 for(l = x0; l<= x1; l ++) {
dreschpe 0:4bbc531be6e2 335 for(c = y0; c<= y1; c++) {
dreschpe 0:4bbc531be6e2 336 pixel(l,c,color);
dreschpe 0:4bbc531be6e2 337 }
dreschpe 0:4bbc531be6e2 338 }
dreschpe 3:468cdccff7af 339 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 340 }
dreschpe 0:4bbc531be6e2 341
dreschpe 0:4bbc531be6e2 342
dreschpe 0:4bbc531be6e2 343
dreschpe 0:4bbc531be6e2 344 void C12832_LCD::circle(int x0, int y0, int r, int color)
dreschpe 0:4bbc531be6e2 345 {
dreschpe 0:4bbc531be6e2 346
dreschpe 0:4bbc531be6e2 347 int draw_x0, draw_y0;
dreschpe 0:4bbc531be6e2 348 int draw_x1, draw_y1;
dreschpe 0:4bbc531be6e2 349 int draw_x2, draw_y2;
dreschpe 0:4bbc531be6e2 350 int draw_x3, draw_y3;
dreschpe 0:4bbc531be6e2 351 int draw_x4, draw_y4;
dreschpe 0:4bbc531be6e2 352 int draw_x5, draw_y5;
dreschpe 0:4bbc531be6e2 353 int draw_x6, draw_y6;
dreschpe 0:4bbc531be6e2 354 int draw_x7, draw_y7;
dreschpe 0:4bbc531be6e2 355 int xx, yy;
dreschpe 0:4bbc531be6e2 356 int di;
dreschpe 0:4bbc531be6e2 357 //WindowMax();
dreschpe 0:4bbc531be6e2 358 if (r == 0) { /* no radius */
dreschpe 0:4bbc531be6e2 359 return;
dreschpe 0:4bbc531be6e2 360 }
dreschpe 0:4bbc531be6e2 361
dreschpe 0:4bbc531be6e2 362 draw_x0 = draw_x1 = x0;
dreschpe 0:4bbc531be6e2 363 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:4bbc531be6e2 364 if (draw_y0 < height()) {
dreschpe 0:4bbc531be6e2 365 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:4bbc531be6e2 366 }
dreschpe 0:4bbc531be6e2 367
dreschpe 0:4bbc531be6e2 368 draw_x2 = draw_x3 = x0;
dreschpe 0:4bbc531be6e2 369 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:4bbc531be6e2 370 if (draw_y2 >= 0) {
dreschpe 0:4bbc531be6e2 371 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:4bbc531be6e2 372 }
dreschpe 0:4bbc531be6e2 373
dreschpe 0:4bbc531be6e2 374 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:4bbc531be6e2 375 draw_y4 = draw_y6 = y0;
dreschpe 0:4bbc531be6e2 376 if (draw_x4 < width()) {
dreschpe 0:4bbc531be6e2 377 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:4bbc531be6e2 378 }
dreschpe 0:4bbc531be6e2 379
dreschpe 0:4bbc531be6e2 380 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:4bbc531be6e2 381 draw_y5 = draw_y7 = y0;
dreschpe 0:4bbc531be6e2 382 if (draw_x5>=0) {
dreschpe 0:4bbc531be6e2 383 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:4bbc531be6e2 384 }
dreschpe 0:4bbc531be6e2 385
dreschpe 0:4bbc531be6e2 386 if (r == 1) {
dreschpe 0:4bbc531be6e2 387 return;
dreschpe 0:4bbc531be6e2 388 }
dreschpe 0:4bbc531be6e2 389
dreschpe 0:4bbc531be6e2 390 di = 3 - 2*r;
dreschpe 0:4bbc531be6e2 391 xx = 0;
dreschpe 0:4bbc531be6e2 392 yy = r;
dreschpe 0:4bbc531be6e2 393 while (xx < yy) {
dreschpe 0:4bbc531be6e2 394
dreschpe 0:4bbc531be6e2 395 if (di < 0) {
dreschpe 0:4bbc531be6e2 396 di += 4*xx + 6;
dreschpe 0:4bbc531be6e2 397 } else {
dreschpe 0:4bbc531be6e2 398 di += 4*(xx - yy) + 10;
dreschpe 0:4bbc531be6e2 399 yy--;
dreschpe 0:4bbc531be6e2 400 draw_y0--;
dreschpe 0:4bbc531be6e2 401 draw_y1--;
dreschpe 0:4bbc531be6e2 402 draw_y2++;
dreschpe 0:4bbc531be6e2 403 draw_y3++;
dreschpe 0:4bbc531be6e2 404 draw_x4--;
dreschpe 0:4bbc531be6e2 405 draw_x5++;
dreschpe 0:4bbc531be6e2 406 draw_x6--;
dreschpe 0:4bbc531be6e2 407 draw_x7++;
dreschpe 0:4bbc531be6e2 408 }
dreschpe 0:4bbc531be6e2 409 xx++;
dreschpe 0:4bbc531be6e2 410 draw_x0++;
dreschpe 0:4bbc531be6e2 411 draw_x1--;
dreschpe 0:4bbc531be6e2 412 draw_x2++;
dreschpe 0:4bbc531be6e2 413 draw_x3--;
dreschpe 0:4bbc531be6e2 414 draw_y4++;
dreschpe 0:4bbc531be6e2 415 draw_y5++;
dreschpe 0:4bbc531be6e2 416 draw_y6--;
dreschpe 0:4bbc531be6e2 417 draw_y7--;
dreschpe 0:4bbc531be6e2 418
dreschpe 0:4bbc531be6e2 419 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:4bbc531be6e2 420 pixel(draw_x0, draw_y0, color);
dreschpe 0:4bbc531be6e2 421 }
dreschpe 0:4bbc531be6e2 422
dreschpe 0:4bbc531be6e2 423 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:4bbc531be6e2 424 pixel(draw_x1, draw_y1, color);
dreschpe 0:4bbc531be6e2 425 }
dreschpe 0:4bbc531be6e2 426
dreschpe 0:4bbc531be6e2 427 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:4bbc531be6e2 428 pixel(draw_x2, draw_y2, color);
dreschpe 0:4bbc531be6e2 429 }
dreschpe 0:4bbc531be6e2 430
dreschpe 0:4bbc531be6e2 431 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:4bbc531be6e2 432 pixel(draw_x3, draw_y3, color);
dreschpe 0:4bbc531be6e2 433 }
dreschpe 0:4bbc531be6e2 434
dreschpe 0:4bbc531be6e2 435 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:4bbc531be6e2 436 pixel(draw_x4, draw_y4, color);
dreschpe 0:4bbc531be6e2 437 }
dreschpe 0:4bbc531be6e2 438
dreschpe 0:4bbc531be6e2 439 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:4bbc531be6e2 440 pixel(draw_x5, draw_y5, color);
dreschpe 0:4bbc531be6e2 441 }
dreschpe 0:4bbc531be6e2 442 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:4bbc531be6e2 443 pixel(draw_x6, draw_y6, color);
dreschpe 0:4bbc531be6e2 444 }
dreschpe 0:4bbc531be6e2 445 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:4bbc531be6e2 446 pixel(draw_x7, draw_y7, color);
dreschpe 0:4bbc531be6e2 447 }
dreschpe 0:4bbc531be6e2 448 }
dreschpe 3:468cdccff7af 449 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 450 }
dreschpe 0:4bbc531be6e2 451
dreschpe 0:4bbc531be6e2 452 void C12832_LCD::fillcircle(int x, int y, int r, int color)
dreschpe 0:4bbc531be6e2 453 {
dreschpe 3:468cdccff7af 454 int i,up;
dreschpe 3:468cdccff7af 455 up = auto_up;
dreschpe 3:468cdccff7af 456 auto_up = 0; // off
dreschpe 0:4bbc531be6e2 457 for (i = 0; i <= r; i++)
dreschpe 0:4bbc531be6e2 458 circle(x,y,i,color);
dreschpe 3:468cdccff7af 459 auto_up = up;
dreschpe 3:468cdccff7af 460 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 461 }
dreschpe 0:4bbc531be6e2 462
dreschpe 0:4bbc531be6e2 463 void C12832_LCD::setmode(int mode)
dreschpe 0:4bbc531be6e2 464 {
dreschpe 0:4bbc531be6e2 465 draw_mode = mode;
dreschpe 0:4bbc531be6e2 466 }
dreschpe 0:4bbc531be6e2 467
dreschpe 0:4bbc531be6e2 468 void C12832_LCD::locate(int x, int y)
dreschpe 0:4bbc531be6e2 469 {
dreschpe 0:4bbc531be6e2 470 char_x = x;
dreschpe 0:4bbc531be6e2 471 char_y = y;
dreschpe 0:4bbc531be6e2 472 }
dreschpe 0:4bbc531be6e2 473
dreschpe 0:4bbc531be6e2 474
dreschpe 0:4bbc531be6e2 475
dreschpe 0:4bbc531be6e2 476 int C12832_LCD::columns()
dreschpe 0:4bbc531be6e2 477 {
dreschpe 0:4bbc531be6e2 478 return width() / font[1];
dreschpe 0:4bbc531be6e2 479 }
dreschpe 0:4bbc531be6e2 480
dreschpe 0:4bbc531be6e2 481
dreschpe 0:4bbc531be6e2 482
dreschpe 0:4bbc531be6e2 483 int C12832_LCD::rows()
dreschpe 0:4bbc531be6e2 484 {
dreschpe 0:4bbc531be6e2 485 return height() / font[2];
dreschpe 0:4bbc531be6e2 486 }
dreschpe 0:4bbc531be6e2 487
dreschpe 0:4bbc531be6e2 488
dreschpe 0:4bbc531be6e2 489
dreschpe 0:4bbc531be6e2 490 int C12832_LCD::_putc(int value)
dreschpe 0:4bbc531be6e2 491 {
dreschpe 0:4bbc531be6e2 492 if (value == '\n') { // new line
dreschpe 0:4bbc531be6e2 493 char_x = 0;
dreschpe 0:4bbc531be6e2 494 char_y = char_y + font[2];
dreschpe 0:4bbc531be6e2 495 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 496 char_y = 0;
dreschpe 0:4bbc531be6e2 497 }
dreschpe 0:4bbc531be6e2 498 } else {
dreschpe 0:4bbc531be6e2 499 character(char_x, char_y, value);
dreschpe 3:468cdccff7af 500 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 501 }
dreschpe 0:4bbc531be6e2 502 return value;
dreschpe 0:4bbc531be6e2 503 }
dreschpe 0:4bbc531be6e2 504
dreschpe 0:4bbc531be6e2 505 void C12832_LCD::character(int x, int y, int c)
dreschpe 0:4bbc531be6e2 506 {
dreschpe 0:4bbc531be6e2 507 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:4bbc531be6e2 508 unsigned char* zeichen;
dreschpe 0:4bbc531be6e2 509 unsigned char z,w;
dreschpe 0:4bbc531be6e2 510
dreschpe 0:4bbc531be6e2 511 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:4bbc531be6e2 512
dreschpe 0:4bbc531be6e2 513 // read font parameter from start of array
dreschpe 0:4bbc531be6e2 514 offset = font[0]; // bytes / char
dreschpe 0:4bbc531be6e2 515 hor = font[1]; // get hor size of font
dreschpe 0:4bbc531be6e2 516 vert = font[2]; // get vert size of font
dreschpe 0:4bbc531be6e2 517 bpl = font[3]; // bytes per line
dreschpe 0:4bbc531be6e2 518
dreschpe 0:4bbc531be6e2 519 if (char_x + hor > width()) {
dreschpe 0:4bbc531be6e2 520 char_x = 0;
dreschpe 0:4bbc531be6e2 521 char_y = char_y + vert;
dreschpe 0:4bbc531be6e2 522 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 523 char_y = 0;
dreschpe 0:4bbc531be6e2 524 }
dreschpe 0:4bbc531be6e2 525 }
dreschpe 0:4bbc531be6e2 526
dreschpe 0:4bbc531be6e2 527 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:4bbc531be6e2 528 w = zeichen[0]; // width of actual char
dreschpe 0:4bbc531be6e2 529 // construct the char into the buffer
dreschpe 0:4bbc531be6e2 530 for (j=0; j<vert; j++) { // vert line
dreschpe 0:4bbc531be6e2 531 for (i=0; i<hor; i++) { // horz line
dreschpe 0:4bbc531be6e2 532 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:4bbc531be6e2 533 b = 1 << (j & 0x07);
dreschpe 0:4bbc531be6e2 534 if (( z & b ) == 0x00) {
dreschpe 0:4bbc531be6e2 535 pixel(x+i,y+j,0);
dreschpe 0:4bbc531be6e2 536 } else {
dreschpe 0:4bbc531be6e2 537 pixel(x+i,y+j,1);
dreschpe 0:4bbc531be6e2 538 }
dreschpe 0:4bbc531be6e2 539
dreschpe 0:4bbc531be6e2 540 }
dreschpe 0:4bbc531be6e2 541 }
dreschpe 0:4bbc531be6e2 542
dreschpe 0:4bbc531be6e2 543 char_x += w;
dreschpe 0:4bbc531be6e2 544 }
dreschpe 0:4bbc531be6e2 545
dreschpe 0:4bbc531be6e2 546
dreschpe 0:4bbc531be6e2 547 void C12832_LCD::set_font(unsigned char* f)
dreschpe 0:4bbc531be6e2 548 {
dreschpe 0:4bbc531be6e2 549 font = f;
dreschpe 0:4bbc531be6e2 550 }
dreschpe 0:4bbc531be6e2 551
dreschpe 3:468cdccff7af 552 void C12832_LCD::set_auto_up(unsigned int up)
dreschpe 3:468cdccff7af 553 {
dreschpe 3:468cdccff7af 554 if(up ) auto_up = 1;
dreschpe 3:468cdccff7af 555 }
dreschpe 3:468cdccff7af 556
dreschpe 3:468cdccff7af 557 unsigned int C12832_LCD::get_auto_up(void){
dreschpe 3:468cdccff7af 558 return (auto_up);
dreschpe 3:468cdccff7af 559 }
dreschpe 0:4bbc531be6e2 560
dreschpe 0:4bbc531be6e2 561