Erik van de Coevering / SSH1106

A simple library for SSH1106 controlled GLCDs

Dependents:   SSH1106_OLED

SSH1106.cpp@1:ac9efaadd666, 2016-12-19 (annotated)

Committer:
Anaesthetix
Date:
Mon Dec 19 23:23:41 2016 +0000
Revision:
1:ac9efaadd666
Parent:
0:3cd0a11a2f91
Child:
2:b55dd362afb9
Added basic drawing functions + buffered versions. More will come soon. Has a minor bug with postioning

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anaesthetix 0:3cd0a11a2f91 1 /**
Anaesthetix 1:ac9efaadd666 2 * This is a simple library for SSH1106 controlled graphic LCD's.
Anaesthetix 0:3cd0a11a2f91 3 * Written for a cheap 1.3" OLED GLCD
Anaesthetix 0:3cd0a11a2f91 4 * See http://www.dx.com/p/open-smart-1-8-128-64-lcd-display-breakout-module-w-blue-backlit-444694
Anaesthetix 0:3cd0a11a2f91 5 *
Anaesthetix 0:3cd0a11a2f91 6 * Written by: Erik van de Coevering
Anaesthetix 0:3cd0a11a2f91 7 * With thanks to Tim Barr from whom I've reused some code
Anaesthetix 0:3cd0a11a2f91 8 * Use this code in whatever way you like, as long as it stays free of charge!
Anaesthetix 0:3cd0a11a2f91 9 */
Anaesthetix 0:3cd0a11a2f91 10
Anaesthetix 0:3cd0a11a2f91 11 #include "SSH1106.h"
Anaesthetix 0:3cd0a11a2f91 12
Anaesthetix 0:3cd0a11a2f91 13 SSH1106::SSH1106(SPI &lcd, DigitalOut &lcd_cs, DigitalOut &lcd_cd, DigitalOut &lcd_rst)
Anaesthetix 0:3cd0a11a2f91 14 {
Anaesthetix 0:3cd0a11a2f91 15 _lcd = &lcd;
Anaesthetix 0:3cd0a11a2f91 16 _lcd_cs = &lcd_cs;
Anaesthetix 0:3cd0a11a2f91 17 _lcd_cd = &lcd_cd;
Anaesthetix 0:3cd0a11a2f91 18 _lcd_rst = &lcd_rst;
Anaesthetix 0:3cd0a11a2f91 19 }
Anaesthetix 0:3cd0a11a2f91 20
Anaesthetix 0:3cd0a11a2f91 21 void SSH1106::init()
Anaesthetix 0:3cd0a11a2f91 22 {
Anaesthetix 0:3cd0a11a2f91 23 _lcd_cs->write(1);
Anaesthetix 0:3cd0a11a2f91 24 _lcd->frequency(24000000); // Abusing SPI to save some time.. Try a lower freq if this doesn't work
Anaesthetix 0:3cd0a11a2f91 25 _lcd->format(8,3);
Anaesthetix 0:3cd0a11a2f91 26 _lcd_cs->write(0); // enable SPI
Anaesthetix 0:3cd0a11a2f91 27 _lcd_cd->write(0); // COMMAND mode
Anaesthetix 1:ac9efaadd666 28
Anaesthetix 0:3cd0a11a2f91 29 _lcd_rst->write(0);
Anaesthetix 0:3cd0a11a2f91 30 wait_ms(100);
Anaesthetix 0:3cd0a11a2f91 31 _lcd_rst->write(1);
Anaesthetix 0:3cd0a11a2f91 32
Anaesthetix 0:3cd0a11a2f91 33 wait_ms(50);
Anaesthetix 0:3cd0a11a2f91 34
Anaesthetix 1:ac9efaadd666 35 _lcd->write(0xAE); // Display off
Anaesthetix 0:3cd0a11a2f91 36 _lcd->write(0x02); // Set lower column address
Anaesthetix 0:3cd0a11a2f91 37 _lcd->write(0x10); // Set higher column address
Anaesthetix 0:3cd0a11a2f91 38 _lcd->write(0x40); // Set display start line
Anaesthetix 0:3cd0a11a2f91 39 _lcd->write(0xB0); // Set page address
Anaesthetix 0:3cd0a11a2f91 40 _lcd->write(0x81); // Set contrast to
Anaesthetix 0:3cd0a11a2f91 41 _lcd->write(0x80); // 128
Anaesthetix 0:3cd0a11a2f91 42 _lcd->write(0xA1); // Segment remap
Anaesthetix 0:3cd0a11a2f91 43 _lcd->write(0xA6); // Inverse: normal (A7 = inverse)
Anaesthetix 0:3cd0a11a2f91 44 _lcd->write(0xA8); // Multiplex ratio
Anaesthetix 0:3cd0a11a2f91 45 _lcd->write(0x3F); // Duty = 1/32
Anaesthetix 0:3cd0a11a2f91 46 _lcd->write(0xAD); // Charge pump enable
Anaesthetix 0:3cd0a11a2f91 47 _lcd->write(0x8B); // External VCC
Anaesthetix 0:3cd0a11a2f91 48 _lcd->write(0x33); // VPP: 9v
Anaesthetix 0:3cd0a11a2f91 49 _lcd->write(0xC8); // Com scan direction
Anaesthetix 0:3cd0a11a2f91 50 _lcd->write(0xD3); // Display offset
Anaesthetix 1:ac9efaadd666 51 _lcd->write(0x00); // 0x20
Anaesthetix 0:3cd0a11a2f91 52 _lcd->write(0xD5); // Osc division
Anaesthetix 1:ac9efaadd666 53 _lcd->write(0x80);
Anaesthetix 0:3cd0a11a2f91 54 _lcd->write(0xD9); // Pre-charge period
Anaesthetix 1:ac9efaadd666 55 _lcd->write(0x1F); // 0x22
Anaesthetix 0:3cd0a11a2f91 56 _lcd->write(0xDA); // Set com pins
Anaesthetix 1:ac9efaadd666 57 _lcd->write(0x12);
Anaesthetix 0:3cd0a11a2f91 58 _lcd->write(0xDB); // Set vcomh
Anaesthetix 1:ac9efaadd666 59 _lcd->write(0x40);
Anaesthetix 0:3cd0a11a2f91 60 _lcd->write(0xAF); // Display ON
Anaesthetix 1:ac9efaadd666 61 _lcd_cs->write(1);
Anaesthetix 1:ac9efaadd666 62 _lcd_cd->write(1);
Anaesthetix 0:3cd0a11a2f91 63 }
Anaesthetix 0:3cd0a11a2f91 64
Anaesthetix 0:3cd0a11a2f91 65 void SSH1106::setContrast(char contrast)
Anaesthetix 0:3cd0a11a2f91 66 {
Anaesthetix 0:3cd0a11a2f91 67 _lcd_cs->write(0); // enable SPI
Anaesthetix 0:3cd0a11a2f91 68 _lcd_cd->write(0); // command mode
Anaesthetix 0:3cd0a11a2f91 69 _lcd->write(0x81); // command to set contrast
Anaesthetix 0:3cd0a11a2f91 70 _lcd->write(contrast); // set contrast
Anaesthetix 0:3cd0a11a2f91 71 _lcd_cs->write(1);
Anaesthetix 0:3cd0a11a2f91 72 _lcd_cd->write(1);
Anaesthetix 1:ac9efaadd666 73 }
Anaesthetix 0:3cd0a11a2f91 74
Anaesthetix 0:3cd0a11a2f91 75 void SSH1106::setCursor(char column, char line)
Anaesthetix 0:3cd0a11a2f91 76 {
Anaesthetix 0:3cd0a11a2f91 77 int i, j;
Anaesthetix 0:3cd0a11a2f91 78 column = column+2; // column+4
Anaesthetix 0:3cd0a11a2f91 79
Anaesthetix 0:3cd0a11a2f91 80 i=(column&0xF0)>>4;
Anaesthetix 0:3cd0a11a2f91 81 j=column&0x0F;
Anaesthetix 0:3cd0a11a2f91 82 _lcd_cd->write(0);
Anaesthetix 0:3cd0a11a2f91 83 _lcd->write(0xb0+line);
Anaesthetix 0:3cd0a11a2f91 84 _lcd->write(0x10+i);
Anaesthetix 0:3cd0a11a2f91 85 _lcd->write(j);
Anaesthetix 0:3cd0a11a2f91 86 _lcd_cd->write(1);
Anaesthetix 0:3cd0a11a2f91 87 }
Anaesthetix 0:3cd0a11a2f91 88
Anaesthetix 0:3cd0a11a2f91 89 void SSH1106::clear()
Anaesthetix 0:3cd0a11a2f91 90 {
Anaesthetix 0:3cd0a11a2f91 91 _lcd_cs->write(0);
Anaesthetix 0:3cd0a11a2f91 92 _lcd_cd->write(1);
Anaesthetix 0:3cd0a11a2f91 93
Anaesthetix 0:3cd0a11a2f91 94 for(unsigned short j = 0; j < 8; j++) {
Anaesthetix 0:3cd0a11a2f91 95 SSH1106::setCursor(0, j);
Anaesthetix 0:3cd0a11a2f91 96 for(unsigned short i = 0; i < 128 ; i++) {
Anaesthetix 0:3cd0a11a2f91 97 _lcd->write(0x00);
Anaesthetix 0:3cd0a11a2f91 98 }
Anaesthetix 0:3cd0a11a2f91 99 }
Anaesthetix 0:3cd0a11a2f91 100
Anaesthetix 0:3cd0a11a2f91 101 SSH1106::setCursor(0, 0);
Anaesthetix 0:3cd0a11a2f91 102
Anaesthetix 0:3cd0a11a2f91 103 _lcd_cs->write(1);
Anaesthetix 0:3cd0a11a2f91 104 }
Anaesthetix 0:3cd0a11a2f91 105
Anaesthetix 0:3cd0a11a2f91 106 void SSH1106::writeText2d(char column, char page, const char font_address[96][8], const char *text, int size)
Anaesthetix 0:3cd0a11a2f91 107 {
Anaesthetix 0:3cd0a11a2f91 108 _lcd_cs->write(0);
Anaesthetix 0:3cd0a11a2f91 109 SSH1106::setCursor(column, page);
Anaesthetix 0:3cd0a11a2f91 110 for(int i=0; i<size; i++) {
Anaesthetix 0:3cd0a11a2f91 111 for(int a=0; a<8; a++) {
Anaesthetix 0:3cd0a11a2f91 112 _lcd->write((font_address[(text[i]-32)][a]));
Anaesthetix 0:3cd0a11a2f91 113 }
Anaesthetix 0:3cd0a11a2f91 114 }
Anaesthetix 0:3cd0a11a2f91 115 _lcd_cs->write(1);
Anaesthetix 0:3cd0a11a2f91 116 }
Anaesthetix 0:3cd0a11a2f91 117
Anaesthetix 0:3cd0a11a2f91 118 void SSH1106::writeText(char column, char page, const char *font_address, const char *text, const uint8_t size)
Anaesthetix 0:3cd0a11a2f91 119 {
Anaesthetix 0:3cd0a11a2f91 120 // Position of character data in memory array
Anaesthetix 0:3cd0a11a2f91 121 uint16_t pos_array;
Anaesthetix 0:3cd0a11a2f91 122 // temporary column, page address, and column_cnt are used
Anaesthetix 0:3cd0a11a2f91 123 // to stay inside display area
Anaesthetix 0:3cd0a11a2f91 124 uint8_t i,y, column_cnt = 0;
Anaesthetix 0:3cd0a11a2f91 125 uint8_t count = 0;
Anaesthetix 0:3cd0a11a2f91 126
Anaesthetix 0:3cd0a11a2f91 127 // font information, needed for calculation
Anaesthetix 0:3cd0a11a2f91 128 uint8_t start_code, last_code, width, page_height, bytes_p_char;
Anaesthetix 0:3cd0a11a2f91 129
Anaesthetix 0:3cd0a11a2f91 130 uint8_t *txtbuffer;
Anaesthetix 0:3cd0a11a2f91 131
Anaesthetix 0:3cd0a11a2f91 132 start_code = font_address[2]; // get first defined character
Anaesthetix 0:3cd0a11a2f91 133 last_code = font_address[3]; // get last defined character
Anaesthetix 0:3cd0a11a2f91 134 width = font_address[4]; // width in pixel of one char
Anaesthetix 0:3cd0a11a2f91 135 page_height = font_address[6]; // page count per char
Anaesthetix 0:3cd0a11a2f91 136 bytes_p_char = font_address[7]; // bytes per char
Anaesthetix 0:3cd0a11a2f91 137
Anaesthetix 0:3cd0a11a2f91 138 _lcd_cs->write(0); // Enable SPI
Anaesthetix 0:3cd0a11a2f91 139 _lcd_cd->write(1); // Data mode
Anaesthetix 0:3cd0a11a2f91 140
Anaesthetix 0:3cd0a11a2f91 141 if(page_height + page > LCDPAGES) //stay inside display area
Anaesthetix 0:3cd0a11a2f91 142 page_height = LCDPAGES - page;
Anaesthetix 0:3cd0a11a2f91 143
Anaesthetix 0:3cd0a11a2f91 144 // The string is displayed character after character. If the font has more then one page,
Anaesthetix 0:3cd0a11a2f91 145 // the top page is printed first, then the next page and so on
Anaesthetix 0:3cd0a11a2f91 146 for(y = 0; y < page_height; y++) {
Anaesthetix 0:3cd0a11a2f91 147 txtbuffer = &_lcdbuffer[page*LCDWIDTH + column];
Anaesthetix 0:3cd0a11a2f91 148 column_cnt = 0; // clear column_cnt start point
Anaesthetix 0:3cd0a11a2f91 149 i = 0;
Anaesthetix 0:3cd0a11a2f91 150 while(( i < size) && ((column_cnt + column) < LCDWIDTH)) {
Anaesthetix 0:3cd0a11a2f91 151 if(text[i] < start_code || (uint8_t)text[i] > last_code) //make sure data is valid
Anaesthetix 0:3cd0a11a2f91 152 i++;
Anaesthetix 0:3cd0a11a2f91 153 else {
Anaesthetix 0:3cd0a11a2f91 154 // calculate position of ASCII character in font array
Anaesthetix 0:3cd0a11a2f91 155 // bytes for header + (ASCII - startcode) * bytes per char)
Anaesthetix 0:3cd0a11a2f91 156 pos_array = 8 + (uint8_t)(text[i++] - start_code) * bytes_p_char;
Anaesthetix 0:3cd0a11a2f91 157
Anaesthetix 0:3cd0a11a2f91 158 // get the dot pattern for the part of the char to print
Anaesthetix 0:3cd0a11a2f91 159 pos_array += y*width;
Anaesthetix 0:3cd0a11a2f91 160
Anaesthetix 0:3cd0a11a2f91 161 // stay inside display area
Anaesthetix 0:3cd0a11a2f91 162 if((column_cnt + width + column) > LCDWIDTH)
Anaesthetix 0:3cd0a11a2f91 163 column_cnt = LCDWIDTH-width;
Anaesthetix 0:3cd0a11a2f91 164
Anaesthetix 0:3cd0a11a2f91 165 // copy character data to buffer
Anaesthetix 0:3cd0a11a2f91 166 memcpy (txtbuffer+column_cnt,font_address+pos_array,width);
Anaesthetix 0:3cd0a11a2f91 167 }
Anaesthetix 0:3cd0a11a2f91 168
Anaesthetix 0:3cd0a11a2f91 169 column_cnt += width;
Anaesthetix 0:3cd0a11a2f91 170 }
Anaesthetix 0:3cd0a11a2f91 171 SSH1106::setCursor(column,page); // set start position x and y
Anaesthetix 0:3cd0a11a2f91 172
Anaesthetix 0:3cd0a11a2f91 173 do {
Anaesthetix 0:3cd0a11a2f91 174 _lcd->write(txtbuffer[count]);
Anaesthetix 0:3cd0a11a2f91 175 count++;
Anaesthetix 0:3cd0a11a2f91 176 } while ((count <= column_cnt));
Anaesthetix 0:3cd0a11a2f91 177 }
Anaesthetix 0:3cd0a11a2f91 178
Anaesthetix 0:3cd0a11a2f91 179 _lcd_cs->write(1); // Disable SPI
Anaesthetix 0:3cd0a11a2f91 180
Anaesthetix 0:3cd0a11a2f91 181 }
Anaesthetix 0:3cd0a11a2f91 182
Anaesthetix 0:3cd0a11a2f91 183 void SSH1106::drawBitmap(const char *data)
Anaesthetix 0:3cd0a11a2f91 184 {
Anaesthetix 0:3cd0a11a2f91 185 int cnt = 0;
Anaesthetix 0:3cd0a11a2f91 186 _lcd_cs->write(0);
Anaesthetix 0:3cd0a11a2f91 187 _lcd_cd->write(1);
Anaesthetix 0:3cd0a11a2f91 188 SSH1106::setCursor(0,0);
Anaesthetix 0:3cd0a11a2f91 189 for(int row=0; row<8; row++) {
Anaesthetix 0:3cd0a11a2f91 190 SSH1106::setCursor(0, row);
Anaesthetix 0:3cd0a11a2f91 191 for(int column=0; column<128; column++) {
Anaesthetix 0:3cd0a11a2f91 192 _lcd->write(data[cnt]);
Anaesthetix 0:3cd0a11a2f91 193 cnt++;
Anaesthetix 0:3cd0a11a2f91 194 }
Anaesthetix 0:3cd0a11a2f91 195 }
Anaesthetix 1:ac9efaadd666 196 _lcd_cs->write(1);
Anaesthetix 1:ac9efaadd666 197 }
Anaesthetix 1:ac9efaadd666 198
Anaesthetix 1:ac9efaadd666 199 void SSH1106::drawLineHor(char posx, char posy, char height, char width)
Anaesthetix 1:ac9efaadd666 200 {
Anaesthetix 1:ac9efaadd666 201 char page, offset, offset2;
Anaesthetix 1:ac9efaadd666 202 char buffer[2] = {0xFF, 0xFF};
Anaesthetix 1:ac9efaadd666 203
Anaesthetix 1:ac9efaadd666 204 _lcd_cs->write(0);
Anaesthetix 1:ac9efaadd666 205 _lcd_cd->write(1);
Anaesthetix 1:ac9efaadd666 206
Anaesthetix 1:ac9efaadd666 207 if(width+posx > LCDWIDTH) width = (LCDWIDTH-posx); // keep inside display area
Anaesthetix 1:ac9efaadd666 208
Anaesthetix 1:ac9efaadd666 209 page = posy/8;
Anaesthetix 1:ac9efaadd666 210 offset = posy - (page*8);
Anaesthetix 1:ac9efaadd666 211 buffer[0] = buffer[0] >> (8-height);
Anaesthetix 1:ac9efaadd666 212 buffer[0] = buffer[0] << offset;
Anaesthetix 1:ac9efaadd666 213
Anaesthetix 1:ac9efaadd666 214 if((offset + height) > 8) {
Anaesthetix 1:ac9efaadd666 215 offset2 = ((offset+height)-8);
Anaesthetix 1:ac9efaadd666 216 buffer[1] = buffer[1] - (0xFF << (offset2));
Anaesthetix 1:ac9efaadd666 217 }
Anaesthetix 1:ac9efaadd666 218
Anaesthetix 1:ac9efaadd666 219 SSH1106::setCursor(posx, page);
Anaesthetix 1:ac9efaadd666 220
Anaesthetix 1:ac9efaadd666 221 for(int i=0; i<width; i++) _lcd->write(buffer[0]);
Anaesthetix 1:ac9efaadd666 222
Anaesthetix 1:ac9efaadd666 223 if(buffer[1] != 0xFF && (page+1) < 8) { // only write if line takes up > 1 page & keep inside display area
Anaesthetix 1:ac9efaadd666 224 SSH1106::setCursor(posx, (page+1));
Anaesthetix 1:ac9efaadd666 225 for(int i=0; i<width; i++) _lcd->write(buffer[1]);
Anaesthetix 1:ac9efaadd666 226 }
Anaesthetix 1:ac9efaadd666 227 _lcd_cs->write(1);
Anaesthetix 1:ac9efaadd666 228 }
Anaesthetix 1:ac9efaadd666 229
Anaesthetix 1:ac9efaadd666 230 void SSH1106::drawLineVert(char posx, char posy, char height, char width)
Anaesthetix 1:ac9efaadd666 231 {
Anaesthetix 1:ac9efaadd666 232 char page, pagecount, offset, offset2;
Anaesthetix 1:ac9efaadd666 233
Anaesthetix 1:ac9efaadd666 234 _lcd_cs->write(0);
Anaesthetix 1:ac9efaadd666 235 _lcd_cd->write(1);
Anaesthetix 1:ac9efaadd666 236
Anaesthetix 1:ac9efaadd666 237 page = posy/8;
Anaesthetix 1:ac9efaadd666 238 pagecount = height/8;
Anaesthetix 1:ac9efaadd666 239 offset2 = height - (pagecount*8);
Anaesthetix 1:ac9efaadd666 240
Anaesthetix 1:ac9efaadd666 241 SSH1106::setCursor(posx, page);
Anaesthetix 1:ac9efaadd666 242 for(int i=0; i<width; i++) _lcd->write((0xFF>>offset));
Anaesthetix 1:ac9efaadd666 243
Anaesthetix 1:ac9efaadd666 244 for(; pagecount > 1; pagecount--) {
Anaesthetix 1:ac9efaadd666 245 page++;
Anaesthetix 1:ac9efaadd666 246 SSH1106::setCursor(posx, page);
Anaesthetix 1:ac9efaadd666 247 for(int i=0; i<width; i++) _lcd->write(0xFF);
Anaesthetix 1:ac9efaadd666 248 }
Anaesthetix 1:ac9efaadd666 249
Anaesthetix 1:ac9efaadd666 250 SSH1106::setCursor(posx, (page+1));
Anaesthetix 1:ac9efaadd666 251 for(int i=0; i<width; i++) _lcd->write((0xFF<<offset2));
Anaesthetix 1:ac9efaadd666 252
Anaesthetix 1:ac9efaadd666 253 _lcd_cs->write(1);
Anaesthetix 1:ac9efaadd666 254 }
Anaesthetix 1:ac9efaadd666 255
Anaesthetix 1:ac9efaadd666 256 void SSH1106::clearBuffer(void)
Anaesthetix 1:ac9efaadd666 257 {
Anaesthetix 1:ac9efaadd666 258 for(int i=0; i<(LCDWIDTH*LCDPAGES); i++) buff[i] = 0;
Anaesthetix 1:ac9efaadd666 259 }
Anaesthetix 1:ac9efaadd666 260
Anaesthetix 1:ac9efaadd666 261 void SSH1106::update(void)
Anaesthetix 1:ac9efaadd666 262 {
Anaesthetix 1:ac9efaadd666 263 int cnt = 0;
Anaesthetix 1:ac9efaadd666 264 _lcd_cs->write(0);
Anaesthetix 1:ac9efaadd666 265 _lcd_cd->write(1);
Anaesthetix 1:ac9efaadd666 266 SSH1106::setCursor(0,0);
Anaesthetix 1:ac9efaadd666 267 for(int row=0; row<8; row++) {
Anaesthetix 1:ac9efaadd666 268 SSH1106::setCursor(0, row);
Anaesthetix 1:ac9efaadd666 269 for(int column=0; column<128; column++) {
Anaesthetix 1:ac9efaadd666 270 _lcd->write(buff[cnt]);
Anaesthetix 1:ac9efaadd666 271 cnt++;
Anaesthetix 1:ac9efaadd666 272 }
Anaesthetix 1:ac9efaadd666 273 }
Anaesthetix 1:ac9efaadd666 274 _lcd_cs->write(1);
Anaesthetix 1:ac9efaadd666 275 }
Anaesthetix 1:ac9efaadd666 276
Anaesthetix 1:ac9efaadd666 277 void SSH1106::drawbufferLineHor(char posx, char posy, char height, char width)
Anaesthetix 1:ac9efaadd666 278 {
Anaesthetix 1:ac9efaadd666 279 char page, offset, offset2;
Anaesthetix 1:ac9efaadd666 280 int cursor;
Anaesthetix 1:ac9efaadd666 281 char buffer[2] = {0xFF, 0xFF};
Anaesthetix 1:ac9efaadd666 282
Anaesthetix 1:ac9efaadd666 283 if(width+posx > LCDWIDTH) width = (LCDWIDTH-posx); // keep inside display area
Anaesthetix 1:ac9efaadd666 284
Anaesthetix 1:ac9efaadd666 285 page = posy/8;
Anaesthetix 1:ac9efaadd666 286 offset = posy - (page*8);
Anaesthetix 1:ac9efaadd666 287 buffer[0] = buffer[0] >> (8-height);
Anaesthetix 1:ac9efaadd666 288 buffer[0] = buffer[0] << offset;
Anaesthetix 1:ac9efaadd666 289
Anaesthetix 1:ac9efaadd666 290 if((offset + height) > 8) {
Anaesthetix 1:ac9efaadd666 291 offset2 = ((offset+height)-8);
Anaesthetix 1:ac9efaadd666 292 buffer[1] = buffer[1] - (0xFF << (offset2));
Anaesthetix 1:ac9efaadd666 293 }
Anaesthetix 1:ac9efaadd666 294
Anaesthetix 1:ac9efaadd666 295 cursor = posx + (page*128);
Anaesthetix 1:ac9efaadd666 296
Anaesthetix 1:ac9efaadd666 297 for(int i=0; i<width; i++) SSH1106::buff[cursor+i] |= buffer[0];
Anaesthetix 1:ac9efaadd666 298
Anaesthetix 1:ac9efaadd666 299 if(buffer[1] != 0xFF && (page+1) < 8) { // only write if line takes up > 1 page & keep inside display area
Anaesthetix 1:ac9efaadd666 300 for(int i=0; i<width; i++) SSH1106::buff[cursor+i+128] |= buffer[1];
Anaesthetix 1:ac9efaadd666 301 }
Anaesthetix 1:ac9efaadd666 302 }
Anaesthetix 1:ac9efaadd666 303
Anaesthetix 1:ac9efaadd666 304 void SSH1106::drawbufferLineVert(char posx, char posy, char height, char width)
Anaesthetix 1:ac9efaadd666 305 {
Anaesthetix 1:ac9efaadd666 306 char page, pagecount, offset, offset2;
Anaesthetix 1:ac9efaadd666 307 int cursor;
Anaesthetix 1:ac9efaadd666 308
Anaesthetix 1:ac9efaadd666 309 page = posy/8;
Anaesthetix 1:ac9efaadd666 310 pagecount = height/8;
Anaesthetix 1:ac9efaadd666 311 offset2 = height - (pagecount*8);
Anaesthetix 1:ac9efaadd666 312 cursor = posx + (page*128); // LCDWIDTH
Anaesthetix 1:ac9efaadd666 313
Anaesthetix 1:ac9efaadd666 314 for(int i=0; i<width; i++) SSH1106::buff[cursor+i] |= (0xFF>>offset);
Anaesthetix 1:ac9efaadd666 315
Anaesthetix 1:ac9efaadd666 316 for(; pagecount > 1; pagecount--) {
Anaesthetix 1:ac9efaadd666 317 page++;
Anaesthetix 1:ac9efaadd666 318 cursor += 128;
Anaesthetix 1:ac9efaadd666 319 for(int i=0; i<width; i++) SSH1106::buff[cursor+i] |= 0xFF;
Anaesthetix 1:ac9efaadd666 320 }
Anaesthetix 1:ac9efaadd666 321
Anaesthetix 1:ac9efaadd666 322 cursor += 128;
Anaesthetix 1:ac9efaadd666 323 for(int i=0; i<width; i++) SSH1106::buff[cursor+i] |= (0xFF >> offset2);
Anaesthetix 0:3cd0a11a2f91 324 }