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@12:a66fded29327, 2016-07-16 (annotated)

Committer:
Sateg
Date:
Sat Jul 16 18:52:33 2016 +0000
Revision:
12:a66fded29327
Parent:
11:045ceacdd1af
Parent:
10:8f86576007d6 
Merge fixes.

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 7:0f5a3b0f3cab 17 // 25.10.12 add standart font
dreschpe 7:0f5a3b0f3cab 18 // 20.12.12 add bitmap graphics
dreschpe 3:468cdccff7af 19
dreschpe 0:4bbc531be6e2 20 // optional defines :
dreschpe 3:468cdccff7af 21 // #define debug_lcd 1
dreschpe 0:4bbc531be6e2 22
dreschpe 0:4bbc531be6e2 23 #include "C12832_lcd.h"
dreschpe 0:4bbc531be6e2 24 #include "mbed.h"
dreschpe 0:4bbc531be6e2 25 #include "stdio.h"
dreschpe 3:468cdccff7af 26 #include "Small_7.h"
dreschpe 0:4bbc531be6e2 27
dreschpe 0:4bbc531be6e2 28 #define BPP 1 // Bits per pixel
dreschpe 0:4bbc531be6e2 29
dreschpe 0:4bbc531be6e2 30 C12832_LCD::C12832_LCD(const char* name)
Sateg 11:045ceacdd1af 31 : GraphicsDisplay(name), _spi(SPI_MOSI, NC, SPI_SCK), _reset(D7), _A0(D9), _CS(D8)
dreschpe 0:4bbc531be6e2 32 {
dreschpe 0:4bbc531be6e2 33 orientation = 1;
Sateg 11:045ceacdd1af 34 contrast = 23;
dreschpe 0:4bbc531be6e2 35 draw_mode = NORMAL;
dreschpe 0:4bbc531be6e2 36 char_x = 0;
dreschpe 0:4bbc531be6e2 37 lcd_reset();
dreschpe 0:4bbc531be6e2 38 }
dreschpe 0:4bbc531be6e2 39
dreschpe 0:4bbc531be6e2 40 int C12832_LCD::width()
dreschpe 0:4bbc531be6e2 41 {
Sateg 11:045ceacdd1af 42 if (orientation == 0 || orientation == 2) return 64;
dreschpe 0:4bbc531be6e2 43 else return 128;
dreschpe 0:4bbc531be6e2 44 }
dreschpe 0:4bbc531be6e2 45
dreschpe 0:4bbc531be6e2 46 int C12832_LCD::height()
dreschpe 0:4bbc531be6e2 47 {
dreschpe 0:4bbc531be6e2 48 if (orientation == 0 || orientation == 2) return 128;
Sateg 11:045ceacdd1af 49 else return 64;
dreschpe 0:4bbc531be6e2 50 }
dreschpe 0:4bbc531be6e2 51
dreschpe 0:4bbc531be6e2 52
dreschpe 1:66dd8afbfd06 53 /*void C12832_LCD::set_orientation(unsigned int o)
dreschpe 0:4bbc531be6e2 54 {
dreschpe 0:4bbc531be6e2 55 orientation = o;
dreschpe 0:4bbc531be6e2 56 switch (o) {
dreschpe 0:4bbc531be6e2 57 case (0):
dreschpe 0:4bbc531be6e2 58 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 59 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 60 break;
dreschpe 0:4bbc531be6e2 61 case (1):
dreschpe 0:4bbc531be6e2 62 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 63 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 64 break;
dreschpe 0:4bbc531be6e2 65 case (2):
dreschpe 0:4bbc531be6e2 66 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 67 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 68 break;
dreschpe 0:4bbc531be6e2 69 case (3):
dreschpe 0:4bbc531be6e2 70 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 71 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 72 break;
dreschpe 0:4bbc531be6e2 73 }
dreschpe 0:4bbc531be6e2 74 }
dreschpe 0:4bbc531be6e2 75
dreschpe 1:66dd8afbfd06 76 */
dreschpe 1:66dd8afbfd06 77
dreschpe 0:4bbc531be6e2 78 void C12832_LCD::invert(unsigned int o)
dreschpe 0:4bbc531be6e2 79 {
dreschpe 0:4bbc531be6e2 80 if(o == 0) wr_cmd(0xA6);
dreschpe 0:4bbc531be6e2 81 else wr_cmd(0xA7);
dreschpe 0:4bbc531be6e2 82 }
dreschpe 0:4bbc531be6e2 83
dreschpe 0:4bbc531be6e2 84
dreschpe 0:4bbc531be6e2 85 void C12832_LCD::set_contrast(unsigned int o)
dreschpe 0:4bbc531be6e2 86 {
dreschpe 1:66dd8afbfd06 87 contrast = o;
dreschpe 0:4bbc531be6e2 88 wr_cmd(0x81); // set volume
dreschpe 2:bdc53502af17 89 wr_cmd(o & 0x3F);
dreschpe 0:4bbc531be6e2 90 }
dreschpe 0:4bbc531be6e2 91
dreschpe 1:66dd8afbfd06 92 unsigned int C12832_LCD::get_contrast(void)
dreschpe 1:66dd8afbfd06 93 {
dreschpe 1:66dd8afbfd06 94 return(contrast);
dreschpe 1:66dd8afbfd06 95 }
dreschpe 1:66dd8afbfd06 96
dreschpe 0:4bbc531be6e2 97
dreschpe 0:4bbc531be6e2 98 // write command to lcd controller
dreschpe 0:4bbc531be6e2 99
dreschpe 0:4bbc531be6e2 100 void C12832_LCD::wr_cmd(unsigned char cmd)
dreschpe 0:4bbc531be6e2 101 {
dreschpe 0:4bbc531be6e2 102 _A0 = 0;
dreschpe 0:4bbc531be6e2 103 _CS = 0;
dreschpe 2:bdc53502af17 104 _spi.write(cmd);
dreschpe 7:0f5a3b0f3cab 105 _CS = 1;
dreschpe 0:4bbc531be6e2 106 }
dreschpe 0:4bbc531be6e2 107
dreschpe 0:4bbc531be6e2 108 // write data to lcd controller
dreschpe 0:4bbc531be6e2 109
dreschpe 0:4bbc531be6e2 110 void C12832_LCD::wr_dat(unsigned char dat)
dreschpe 0:4bbc531be6e2 111 {
dreschpe 0:4bbc531be6e2 112 _A0 = 1;
dreschpe 0:4bbc531be6e2 113 _CS = 0;
dreschpe 2:bdc53502af17 114 _spi.write(dat);
dreschpe 0:4bbc531be6e2 115 _CS = 1;
dreschpe 0:4bbc531be6e2 116 }
dreschpe 0:4bbc531be6e2 117
dreschpe 0:4bbc531be6e2 118 // reset and init the lcd controller
dreschpe 0:4bbc531be6e2 119
dreschpe 0:4bbc531be6e2 120 void C12832_LCD::lcd_reset()
dreschpe 0:4bbc531be6e2 121 {
dreschpe 0:4bbc531be6e2 122
dreschpe 0:4bbc531be6e2 123 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 0:4bbc531be6e2 124 _spi.frequency(20000000); // 19,2 Mhz SPI clock
dreschpe 0:4bbc531be6e2 125 _A0 = 0;
dreschpe 0:4bbc531be6e2 126 _CS = 1;
dreschpe 0:4bbc531be6e2 127 _reset = 0; // display reset
dreschpe 0:4bbc531be6e2 128 wait_us(50);
dreschpe 0:4bbc531be6e2 129 _reset = 1; // end reset
dreschpe 0:4bbc531be6e2 130 wait_ms(5);
dreschpe 0:4bbc531be6e2 131
dreschpe 0:4bbc531be6e2 132 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 0:4bbc531be6e2 133
dreschpe 0:4bbc531be6e2 134 wr_cmd(0xAE); // display off
dreschpe 0:4bbc531be6e2 135 wr_cmd(0xA2); // bias voltage
dreschpe 0:4bbc531be6e2 136
dreschpe 0:4bbc531be6e2 137 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 138 wr_cmd(0xC8); // colum normal
dreschpe 0:4bbc531be6e2 139
dreschpe 0:4bbc531be6e2 140 wr_cmd(0x22); // voltage resistor ratio
dreschpe 0:4bbc531be6e2 141 wr_cmd(0x2F); // power on
dreschpe 1:66dd8afbfd06 142 //wr_cmd(0xA4); // LCD display ram
dreschpe 0:4bbc531be6e2 143 wr_cmd(0x40); // start line = 0
dreschpe 0:4bbc531be6e2 144 wr_cmd(0xAF); // display ON
dreschpe 0:4bbc531be6e2 145
dreschpe 0:4bbc531be6e2 146 wr_cmd(0x81); // set contrast
dreschpe 0:4bbc531be6e2 147 wr_cmd(0x17); // set contrast
dreschpe 0:4bbc531be6e2 148
dreschpe 0:4bbc531be6e2 149 wr_cmd(0xA6); // display normal
dreschpe 0:4bbc531be6e2 150
dreschpe 0:4bbc531be6e2 151 // clear and update LCD
Sateg 11:045ceacdd1af 152 memset(buffer,0x00,1024); // clear display buffer
dreschpe 0:4bbc531be6e2 153 copy_to_lcd();
dreschpe 3:468cdccff7af 154 auto_up = 1; // switch on auto update
sam_grove 10:8f86576007d6 155 // dont do this by default. Make the user call
sam_grove 10:8f86576007d6 156 //claim(stdout); // redirekt printf to lcd
dreschpe 3:468cdccff7af 157 locate(0,0);
dreschpe 7:0f5a3b0f3cab 158 set_font((unsigned char*)Small_7); // standart font
dreschpe 0:4bbc531be6e2 159 }
dreschpe 0:4bbc531be6e2 160
dreschpe 0:4bbc531be6e2 161 // set one pixel in buffer
dreschpe 0:4bbc531be6e2 162
dreschpe 0:4bbc531be6e2 163 void C12832_LCD::pixel(int x, int y, int color)
dreschpe 0:4bbc531be6e2 164 {
dreschpe 0:4bbc531be6e2 165 // first check parameter
Sateg 11:045ceacdd1af 166 if(x > 128 || y > 64 || x < 0 || y < 0) return;
dreschpe 0:4bbc531be6e2 167
dreschpe 0:4bbc531be6e2 168 if(draw_mode == NORMAL) {
dreschpe 0:4bbc531be6e2 169 if(color == 0)
dreschpe 0:4bbc531be6e2 170 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
dreschpe 0:4bbc531be6e2 171 else
dreschpe 0:4bbc531be6e2 172 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
dreschpe 0:4bbc531be6e2 173 } else { // XOR mode
dreschpe 0:4bbc531be6e2 174 if(color == 1)
dreschpe 0:4bbc531be6e2 175 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
dreschpe 0:4bbc531be6e2 176 }
dreschpe 0:4bbc531be6e2 177 }
dreschpe 0:4bbc531be6e2 178
dreschpe 0:4bbc531be6e2 179 // update lcd
dreschpe 0:4bbc531be6e2 180
dreschpe 0:4bbc531be6e2 181 void C12832_LCD::copy_to_lcd(void)
dreschpe 0:4bbc531be6e2 182 {
dreschpe 2:bdc53502af17 183 int i;
Sateg 11:045ceacdd1af 184
dreschpe 0:4bbc531be6e2 185 //page 0
dreschpe 0:4bbc531be6e2 186 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 187 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 188 wr_cmd(0xB0); // set page address 0
dreschpe 2:bdc53502af17 189 _A0 = 1;
Sateg 11:045ceacdd1af 190
Sateg 11:045ceacdd1af 191 for (i=0;i<128;i++) {
dreschpe 2:bdc53502af17 192 wr_dat(buffer[i]);
dreschpe 7:0f5a3b0f3cab 193 }
dreschpe 0:4bbc531be6e2 194
dreschpe 0:4bbc531be6e2 195 // page 1
dreschpe 0:4bbc531be6e2 196 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 197 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 198 wr_cmd(0xB1); // set page address 1
dreschpe 2:bdc53502af17 199 _A0 = 1;
Sateg 11:045ceacdd1af 200
Sateg 11:045ceacdd1af 201 for (i=128;i<256;i++) {
dreschpe 2:bdc53502af17 202 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 203 }
dreschpe 0:4bbc531be6e2 204
dreschpe 0:4bbc531be6e2 205 //page 2
dreschpe 0:4bbc531be6e2 206 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 207 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 208 wr_cmd(0xB2); // set page address 2
dreschpe 2:bdc53502af17 209 _A0 = 1;
Sateg 11:045ceacdd1af 210
Sateg 11:045ceacdd1af 211 for (i=256;i<384;i++) {
dreschpe 2:bdc53502af17 212 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 213 }
dreschpe 2:bdc53502af17 214
dreschpe 0:4bbc531be6e2 215 //page 3
dreschpe 0:4bbc531be6e2 216 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 217 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 218 wr_cmd(0xB3); // set page address 3
dreschpe 0:4bbc531be6e2 219 _A0 = 1;
dreschpe 7:0f5a3b0f3cab 220
Sateg 11:045ceacdd1af 221 for (i=384;i<512;i++) {
dreschpe 2:bdc53502af17 222 wr_dat(buffer[i]);
Sateg 11:045ceacdd1af 223 }
dreschpe 0:4bbc531be6e2 224 }
dreschpe 0:4bbc531be6e2 225
dreschpe 0:4bbc531be6e2 226 void C12832_LCD::cls(void)
dreschpe 0:4bbc531be6e2 227 {
Sateg 11:045ceacdd1af 228 memset(buffer,0x00,1024); // clear display buffer
dreschpe 0:4bbc531be6e2 229 copy_to_lcd();
dreschpe 0:4bbc531be6e2 230 }
dreschpe 0:4bbc531be6e2 231
dreschpe 0:4bbc531be6e2 232
dreschpe 0:4bbc531be6e2 233 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 234 {
dreschpe 0:4bbc531be6e2 235 int dx = 0, dy = 0;
dreschpe 0:4bbc531be6e2 236 int dx_sym = 0, dy_sym = 0;
dreschpe 0:4bbc531be6e2 237 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:4bbc531be6e2 238 int di = 0;
dreschpe 0:4bbc531be6e2 239
dreschpe 0:4bbc531be6e2 240 dx = x1-x0;
dreschpe 0:4bbc531be6e2 241 dy = y1-y0;
dreschpe 0:4bbc531be6e2 242
dreschpe 0:4bbc531be6e2 243 // if (dx == 0) { /* vertical line */
dreschpe 0:4bbc531be6e2 244 // if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:4bbc531be6e2 245 // else vline(x0,y1,y0,color);
dreschpe 0:4bbc531be6e2 246 // return;
dreschpe 0:4bbc531be6e2 247 // }
dreschpe 0:4bbc531be6e2 248
dreschpe 0:4bbc531be6e2 249 if (dx > 0) {
dreschpe 0:4bbc531be6e2 250 dx_sym = 1;
dreschpe 0:4bbc531be6e2 251 } else {
dreschpe 0:4bbc531be6e2 252 dx_sym = -1;
dreschpe 0:4bbc531be6e2 253 }
dreschpe 0:4bbc531be6e2 254 // if (dy == 0) { /* horizontal line */
dreschpe 0:4bbc531be6e2 255 // if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:4bbc531be6e2 256 // else hline(x1,x0,y0,color);
dreschpe 0:4bbc531be6e2 257 // return;
dreschpe 0:4bbc531be6e2 258 // }
dreschpe 0:4bbc531be6e2 259
dreschpe 0:4bbc531be6e2 260 if (dy > 0) {
dreschpe 0:4bbc531be6e2 261 dy_sym = 1;
dreschpe 0:4bbc531be6e2 262 } else {
dreschpe 0:4bbc531be6e2 263 dy_sym = -1;
dreschpe 0:4bbc531be6e2 264 }
dreschpe 0:4bbc531be6e2 265
dreschpe 0:4bbc531be6e2 266 dx = dx_sym*dx;
dreschpe 0:4bbc531be6e2 267 dy = dy_sym*dy;
dreschpe 0:4bbc531be6e2 268
dreschpe 0:4bbc531be6e2 269 dx_x2 = dx*2;
dreschpe 0:4bbc531be6e2 270 dy_x2 = dy*2;
dreschpe 0:4bbc531be6e2 271
dreschpe 0:4bbc531be6e2 272 if (dx >= dy) {
dreschpe 0:4bbc531be6e2 273 di = dy_x2 - dx;
dreschpe 0:4bbc531be6e2 274 while (x0 != x1) {
dreschpe 0:4bbc531be6e2 275
dreschpe 0:4bbc531be6e2 276 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 277 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 278 if (di<0) {
dreschpe 0:4bbc531be6e2 279 di += dy_x2;
dreschpe 0:4bbc531be6e2 280 } else {
dreschpe 0:4bbc531be6e2 281 di += dy_x2 - dx_x2;
dreschpe 0:4bbc531be6e2 282 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 283 }
dreschpe 0:4bbc531be6e2 284 }
dreschpe 0:4bbc531be6e2 285 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 286 } else {
dreschpe 0:4bbc531be6e2 287 di = dx_x2 - dy;
dreschpe 0:4bbc531be6e2 288 while (y0 != y1) {
dreschpe 0:4bbc531be6e2 289 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 290 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 291 if (di < 0) {
dreschpe 0:4bbc531be6e2 292 di += dx_x2;
dreschpe 0:4bbc531be6e2 293 } else {
dreschpe 0:4bbc531be6e2 294 di += dx_x2 - dy_x2;
dreschpe 0:4bbc531be6e2 295 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 296 }
dreschpe 0:4bbc531be6e2 297 }
dreschpe 0:4bbc531be6e2 298 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 299 }
dreschpe 3:468cdccff7af 300 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 301 }
dreschpe 0:4bbc531be6e2 302
dreschpe 0:4bbc531be6e2 303 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 304 {
dreschpe 0:4bbc531be6e2 305
dreschpe 0:4bbc531be6e2 306 if (x1 > x0) line(x0,y0,x1,y0,color);
dreschpe 0:4bbc531be6e2 307 else line(x1,y0,x0,y0,color);
dreschpe 0:4bbc531be6e2 308
dreschpe 0:4bbc531be6e2 309 if (y1 > y0) line(x0,y0,x0,y1,color);
dreschpe 0:4bbc531be6e2 310 else line(x0,y1,x0,y0,color);
dreschpe 0:4bbc531be6e2 311
dreschpe 0:4bbc531be6e2 312 if (x1 > x0) line(x0,y1,x1,y1,color);
dreschpe 0:4bbc531be6e2 313 else line(x1,y1,x0,y1,color);
dreschpe 0:4bbc531be6e2 314
dreschpe 0:4bbc531be6e2 315 if (y1 > y0) line(x1,y0,x1,y1,color);
dreschpe 0:4bbc531be6e2 316 else line(x1,y1,x1,y0,color);
dreschpe 0:4bbc531be6e2 317
dreschpe 3:468cdccff7af 318 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 319 }
dreschpe 0:4bbc531be6e2 320
dreschpe 0:4bbc531be6e2 321 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 322 {
dreschpe 0:4bbc531be6e2 323 int l,c,i;
dreschpe 0:4bbc531be6e2 324 if(x0 > x1) {
dreschpe 0:4bbc531be6e2 325 i = x0;
dreschpe 0:4bbc531be6e2 326 x0 = x1;
dreschpe 0:4bbc531be6e2 327 x1 = i;
dreschpe 0:4bbc531be6e2 328 }
dreschpe 0:4bbc531be6e2 329
dreschpe 0:4bbc531be6e2 330 if(y0 > y1) {
dreschpe 0:4bbc531be6e2 331 i = y0;
dreschpe 0:4bbc531be6e2 332 y0 = y1;
dreschpe 0:4bbc531be6e2 333 y1 = i;
dreschpe 0:4bbc531be6e2 334 }
dreschpe 0:4bbc531be6e2 335
dreschpe 0:4bbc531be6e2 336 for(l = x0; l<= x1; l ++) {
dreschpe 0:4bbc531be6e2 337 for(c = y0; c<= y1; c++) {
dreschpe 0:4bbc531be6e2 338 pixel(l,c,color);
dreschpe 0:4bbc531be6e2 339 }
dreschpe 0:4bbc531be6e2 340 }
dreschpe 3:468cdccff7af 341 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 342 }
dreschpe 0:4bbc531be6e2 343
dreschpe 0:4bbc531be6e2 344
dreschpe 0:4bbc531be6e2 345
dreschpe 0:4bbc531be6e2 346 void C12832_LCD::circle(int x0, int y0, int r, int color)
dreschpe 0:4bbc531be6e2 347 {
dreschpe 0:4bbc531be6e2 348
dreschpe 0:4bbc531be6e2 349 int draw_x0, draw_y0;
dreschpe 0:4bbc531be6e2 350 int draw_x1, draw_y1;
dreschpe 0:4bbc531be6e2 351 int draw_x2, draw_y2;
dreschpe 0:4bbc531be6e2 352 int draw_x3, draw_y3;
dreschpe 0:4bbc531be6e2 353 int draw_x4, draw_y4;
dreschpe 0:4bbc531be6e2 354 int draw_x5, draw_y5;
dreschpe 0:4bbc531be6e2 355 int draw_x6, draw_y6;
dreschpe 0:4bbc531be6e2 356 int draw_x7, draw_y7;
dreschpe 0:4bbc531be6e2 357 int xx, yy;
dreschpe 0:4bbc531be6e2 358 int di;
dreschpe 0:4bbc531be6e2 359 //WindowMax();
dreschpe 0:4bbc531be6e2 360 if (r == 0) { /* no radius */
dreschpe 0:4bbc531be6e2 361 return;
dreschpe 0:4bbc531be6e2 362 }
dreschpe 0:4bbc531be6e2 363
dreschpe 0:4bbc531be6e2 364 draw_x0 = draw_x1 = x0;
dreschpe 0:4bbc531be6e2 365 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:4bbc531be6e2 366 if (draw_y0 < height()) {
dreschpe 0:4bbc531be6e2 367 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:4bbc531be6e2 368 }
dreschpe 0:4bbc531be6e2 369
dreschpe 0:4bbc531be6e2 370 draw_x2 = draw_x3 = x0;
dreschpe 0:4bbc531be6e2 371 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:4bbc531be6e2 372 if (draw_y2 >= 0) {
dreschpe 0:4bbc531be6e2 373 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:4bbc531be6e2 374 }
dreschpe 0:4bbc531be6e2 375
dreschpe 0:4bbc531be6e2 376 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:4bbc531be6e2 377 draw_y4 = draw_y6 = y0;
dreschpe 0:4bbc531be6e2 378 if (draw_x4 < width()) {
dreschpe 0:4bbc531be6e2 379 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:4bbc531be6e2 380 }
dreschpe 0:4bbc531be6e2 381
dreschpe 0:4bbc531be6e2 382 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:4bbc531be6e2 383 draw_y5 = draw_y7 = y0;
dreschpe 0:4bbc531be6e2 384 if (draw_x5>=0) {
dreschpe 0:4bbc531be6e2 385 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:4bbc531be6e2 386 }
dreschpe 0:4bbc531be6e2 387
dreschpe 0:4bbc531be6e2 388 if (r == 1) {
dreschpe 0:4bbc531be6e2 389 return;
dreschpe 0:4bbc531be6e2 390 }
dreschpe 0:4bbc531be6e2 391
dreschpe 0:4bbc531be6e2 392 di = 3 - 2*r;
dreschpe 0:4bbc531be6e2 393 xx = 0;
dreschpe 0:4bbc531be6e2 394 yy = r;
dreschpe 0:4bbc531be6e2 395 while (xx < yy) {
dreschpe 0:4bbc531be6e2 396
dreschpe 0:4bbc531be6e2 397 if (di < 0) {
dreschpe 0:4bbc531be6e2 398 di += 4*xx + 6;
dreschpe 0:4bbc531be6e2 399 } else {
dreschpe 0:4bbc531be6e2 400 di += 4*(xx - yy) + 10;
dreschpe 0:4bbc531be6e2 401 yy--;
dreschpe 0:4bbc531be6e2 402 draw_y0--;
dreschpe 0:4bbc531be6e2 403 draw_y1--;
dreschpe 0:4bbc531be6e2 404 draw_y2++;
dreschpe 0:4bbc531be6e2 405 draw_y3++;
dreschpe 0:4bbc531be6e2 406 draw_x4--;
dreschpe 0:4bbc531be6e2 407 draw_x5++;
dreschpe 0:4bbc531be6e2 408 draw_x6--;
dreschpe 0:4bbc531be6e2 409 draw_x7++;
dreschpe 0:4bbc531be6e2 410 }
dreschpe 0:4bbc531be6e2 411 xx++;
dreschpe 0:4bbc531be6e2 412 draw_x0++;
dreschpe 0:4bbc531be6e2 413 draw_x1--;
dreschpe 0:4bbc531be6e2 414 draw_x2++;
dreschpe 0:4bbc531be6e2 415 draw_x3--;
dreschpe 0:4bbc531be6e2 416 draw_y4++;
dreschpe 0:4bbc531be6e2 417 draw_y5++;
dreschpe 0:4bbc531be6e2 418 draw_y6--;
dreschpe 0:4bbc531be6e2 419 draw_y7--;
dreschpe 0:4bbc531be6e2 420
dreschpe 0:4bbc531be6e2 421 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:4bbc531be6e2 422 pixel(draw_x0, draw_y0, color);
dreschpe 0:4bbc531be6e2 423 }
dreschpe 0:4bbc531be6e2 424
dreschpe 0:4bbc531be6e2 425 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:4bbc531be6e2 426 pixel(draw_x1, draw_y1, color);
dreschpe 0:4bbc531be6e2 427 }
dreschpe 0:4bbc531be6e2 428
dreschpe 0:4bbc531be6e2 429 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:4bbc531be6e2 430 pixel(draw_x2, draw_y2, color);
dreschpe 0:4bbc531be6e2 431 }
dreschpe 0:4bbc531be6e2 432
dreschpe 0:4bbc531be6e2 433 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:4bbc531be6e2 434 pixel(draw_x3, draw_y3, color);
dreschpe 0:4bbc531be6e2 435 }
dreschpe 0:4bbc531be6e2 436
dreschpe 0:4bbc531be6e2 437 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:4bbc531be6e2 438 pixel(draw_x4, draw_y4, color);
dreschpe 0:4bbc531be6e2 439 }
dreschpe 0:4bbc531be6e2 440
dreschpe 0:4bbc531be6e2 441 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:4bbc531be6e2 442 pixel(draw_x5, draw_y5, color);
dreschpe 0:4bbc531be6e2 443 }
dreschpe 0:4bbc531be6e2 444 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:4bbc531be6e2 445 pixel(draw_x6, draw_y6, color);
dreschpe 0:4bbc531be6e2 446 }
dreschpe 0:4bbc531be6e2 447 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:4bbc531be6e2 448 pixel(draw_x7, draw_y7, color);
dreschpe 0:4bbc531be6e2 449 }
dreschpe 0:4bbc531be6e2 450 }
dreschpe 3:468cdccff7af 451 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 452 }
dreschpe 0:4bbc531be6e2 453
dreschpe 0:4bbc531be6e2 454 void C12832_LCD::fillcircle(int x, int y, int r, int color)
dreschpe 0:4bbc531be6e2 455 {
dreschpe 3:468cdccff7af 456 int i,up;
dreschpe 3:468cdccff7af 457 up = auto_up;
dreschpe 3:468cdccff7af 458 auto_up = 0; // off
dreschpe 0:4bbc531be6e2 459 for (i = 0; i <= r; i++)
dreschpe 0:4bbc531be6e2 460 circle(x,y,i,color);
dreschpe 3:468cdccff7af 461 auto_up = up;
dreschpe 7:0f5a3b0f3cab 462 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 463 }
dreschpe 0:4bbc531be6e2 464
dreschpe 0:4bbc531be6e2 465 void C12832_LCD::setmode(int mode)
dreschpe 0:4bbc531be6e2 466 {
dreschpe 0:4bbc531be6e2 467 draw_mode = mode;
dreschpe 0:4bbc531be6e2 468 }
dreschpe 0:4bbc531be6e2 469
dreschpe 0:4bbc531be6e2 470 void C12832_LCD::locate(int x, int y)
dreschpe 0:4bbc531be6e2 471 {
dreschpe 0:4bbc531be6e2 472 char_x = x;
dreschpe 0:4bbc531be6e2 473 char_y = y;
dreschpe 0:4bbc531be6e2 474 }
dreschpe 0:4bbc531be6e2 475
dreschpe 0:4bbc531be6e2 476
dreschpe 0:4bbc531be6e2 477
dreschpe 0:4bbc531be6e2 478 int C12832_LCD::columns()
dreschpe 0:4bbc531be6e2 479 {
dreschpe 0:4bbc531be6e2 480 return width() / font[1];
dreschpe 0:4bbc531be6e2 481 }
dreschpe 0:4bbc531be6e2 482
dreschpe 0:4bbc531be6e2 483
dreschpe 0:4bbc531be6e2 484
dreschpe 0:4bbc531be6e2 485 int C12832_LCD::rows()
dreschpe 0:4bbc531be6e2 486 {
dreschpe 0:4bbc531be6e2 487 return height() / font[2];
dreschpe 0:4bbc531be6e2 488 }
dreschpe 0:4bbc531be6e2 489
dreschpe 0:4bbc531be6e2 490
dreschpe 0:4bbc531be6e2 491
dreschpe 0:4bbc531be6e2 492 int C12832_LCD::_putc(int value)
dreschpe 0:4bbc531be6e2 493 {
dreschpe 0:4bbc531be6e2 494 if (value == '\n') { // new line
dreschpe 0:4bbc531be6e2 495 char_x = 0;
dreschpe 0:4bbc531be6e2 496 char_y = char_y + font[2];
dreschpe 0:4bbc531be6e2 497 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 498 char_y = 0;
dreschpe 0:4bbc531be6e2 499 }
dreschpe 0:4bbc531be6e2 500 } else {
dreschpe 0:4bbc531be6e2 501 character(char_x, char_y, value);
dreschpe 3:468cdccff7af 502 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 503 }
dreschpe 0:4bbc531be6e2 504 return value;
dreschpe 0:4bbc531be6e2 505 }
dreschpe 0:4bbc531be6e2 506
dreschpe 0:4bbc531be6e2 507 void C12832_LCD::character(int x, int y, int c)
dreschpe 0:4bbc531be6e2 508 {
dreschpe 0:4bbc531be6e2 509 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:4bbc531be6e2 510 unsigned char* zeichen;
dreschpe 0:4bbc531be6e2 511 unsigned char z,w;
dreschpe 0:4bbc531be6e2 512
dreschpe 0:4bbc531be6e2 513 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:4bbc531be6e2 514
dreschpe 0:4bbc531be6e2 515 // read font parameter from start of array
dreschpe 0:4bbc531be6e2 516 offset = font[0]; // bytes / char
dreschpe 0:4bbc531be6e2 517 hor = font[1]; // get hor size of font
dreschpe 0:4bbc531be6e2 518 vert = font[2]; // get vert size of font
dreschpe 0:4bbc531be6e2 519 bpl = font[3]; // bytes per line
dreschpe 0:4bbc531be6e2 520
dreschpe 0:4bbc531be6e2 521 if (char_x + hor > width()) {
dreschpe 0:4bbc531be6e2 522 char_x = 0;
dreschpe 0:4bbc531be6e2 523 char_y = char_y + vert;
dreschpe 0:4bbc531be6e2 524 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 525 char_y = 0;
dreschpe 0:4bbc531be6e2 526 }
dreschpe 0:4bbc531be6e2 527 }
dreschpe 0:4bbc531be6e2 528
dreschpe 0:4bbc531be6e2 529 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:4bbc531be6e2 530 w = zeichen[0]; // width of actual char
dreschpe 0:4bbc531be6e2 531 // construct the char into the buffer
dreschpe 0:4bbc531be6e2 532 for (j=0; j<vert; j++) { // vert line
dreschpe 0:4bbc531be6e2 533 for (i=0; i<hor; i++) { // horz line
dreschpe 0:4bbc531be6e2 534 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:4bbc531be6e2 535 b = 1 << (j & 0x07);
dreschpe 0:4bbc531be6e2 536 if (( z & b ) == 0x00) {
dreschpe 0:4bbc531be6e2 537 pixel(x+i,y+j,0);
dreschpe 0:4bbc531be6e2 538 } else {
dreschpe 0:4bbc531be6e2 539 pixel(x+i,y+j,1);
dreschpe 0:4bbc531be6e2 540 }
dreschpe 0:4bbc531be6e2 541
dreschpe 0:4bbc531be6e2 542 }
dreschpe 0:4bbc531be6e2 543 }
dreschpe 0:4bbc531be6e2 544
dreschpe 0:4bbc531be6e2 545 char_x += w;
dreschpe 0:4bbc531be6e2 546 }
dreschpe 0:4bbc531be6e2 547
dreschpe 0:4bbc531be6e2 548
dreschpe 0:4bbc531be6e2 549 void C12832_LCD::set_font(unsigned char* f)
dreschpe 0:4bbc531be6e2 550 {
dreschpe 0:4bbc531be6e2 551 font = f;
dreschpe 0:4bbc531be6e2 552 }
dreschpe 0:4bbc531be6e2 553
dreschpe 3:468cdccff7af 554 void C12832_LCD::set_auto_up(unsigned int up)
dreschpe 3:468cdccff7af 555 {
dreschpe 3:468cdccff7af 556 if(up ) auto_up = 1;
dreschpe 8:c9afe58d786a 557 else auto_up = 0;
dreschpe 3:468cdccff7af 558 }
dreschpe 3:468cdccff7af 559
dreschpe 7:0f5a3b0f3cab 560 unsigned int C12832_LCD::get_auto_up(void)
dreschpe 7:0f5a3b0f3cab 561 {
dreschpe 3:468cdccff7af 562 return (auto_up);
dreschpe 3:468cdccff7af 563 }
dreschpe 0:4bbc531be6e2 564
dreschpe 7:0f5a3b0f3cab 565 void C12832_LCD::print_bm(Bitmap bm, int x, int y)
dreschpe 7:0f5a3b0f3cab 566 {
dreschpe 7:0f5a3b0f3cab 567 int h,v,b;
dreschpe 7:0f5a3b0f3cab 568 char d;
dreschpe 0:4bbc531be6e2 569
dreschpe 7:0f5a3b0f3cab 570 for(v=0; v < bm.ySize; v++) { // lines
dreschpe 7:0f5a3b0f3cab 571 for(h=0; h < bm.xSize; h++) { // pixel
dreschpe 7:0f5a3b0f3cab 572 if(h + x > 127) break;
dreschpe 7:0f5a3b0f3cab 573 if(v + y > 31) break;
dreschpe 7:0f5a3b0f3cab 574 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
dreschpe 7:0f5a3b0f3cab 575 b = 0x80 >> (h & 0x07);
dreschpe 7:0f5a3b0f3cab 576 if((d & b) == 0) {
dreschpe 7:0f5a3b0f3cab 577 pixel(x+h,y+v,0);
dreschpe 7:0f5a3b0f3cab 578 } else {
dreschpe 7:0f5a3b0f3cab 579 pixel(x+h,y+v,1);
dreschpe 7:0f5a3b0f3cab 580 }
dreschpe 7:0f5a3b0f3cab 581 }
dreschpe 7:0f5a3b0f3cab 582 }
dreschpe 7:0f5a3b0f3cab 583
dreschpe 7:0f5a3b0f3cab 584 }
dreschpe 7:0f5a3b0f3cab 585
dreschpe 7:0f5a3b0f3cab 586