Display Module / DmTftLibrary

Driver Library for our displays

Dependents:   dm_bubbles dm_calc dm_paint dm_sdcard_with_adapter ... more

DmTftBase.cpp@0:d6ff5fa503e8, 2014-05-13 (annotated)

Committer:
displaymodule
Date:
Tue May 13 09:31:24 2014 +0000
Revision:
0:d6ff5fa503e8
Child:
7:6cd8c36cbdb3
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
displaymodule 0:d6ff5fa503e8 1 /**********************************************************************************************
displaymodule 0:d6ff5fa503e8 2 Copyright (c) 2014 DisplayModule. All rights reserved.
displaymodule 0:d6ff5fa503e8 3
displaymodule 0:d6ff5fa503e8 4 Redistribution and use of this source code, part of this source code or any compiled binary
displaymodule 0:d6ff5fa503e8 5 based on this source code is permitted as long as the above copyright notice and following
displaymodule 0:d6ff5fa503e8 6 disclaimer is retained.
displaymodule 0:d6ff5fa503e8 7
displaymodule 0:d6ff5fa503e8 8 DISCLAIMER:
displaymodule 0:d6ff5fa503e8 9 THIS SOFTWARE IS SUPPLIED "AS IS" WITHOUT ANY WARRANTIES AND SUPPORT. DISPLAYMODULE ASSUMES
displaymodule 0:d6ff5fa503e8 10 NO RESPONSIBILITY OR LIABILITY FOR THE USE OF THE SOFTWARE.
displaymodule 0:d6ff5fa503e8 11 ********************************************************************************************/
displaymodule 0:d6ff5fa503e8 12
displaymodule 0:d6ff5fa503e8 13 #include "DmTftBase.h"
displaymodule 0:d6ff5fa503e8 14
displaymodule 0:d6ff5fa503e8 15 #define FONT_CHAR_WIDTH 8
displaymodule 0:d6ff5fa503e8 16 #define FONT_CHAR_HEIGHT 16
displaymodule 0:d6ff5fa503e8 17 extern uint8_t font[];
displaymodule 0:d6ff5fa503e8 18
displaymodule 0:d6ff5fa503e8 19 /*
displaymodule 0:d6ff5fa503e8 20 * Macro to read the 8 bits representing one line of a character.
displaymodule 0:d6ff5fa503e8 21 * The macro is needed as the reading is handled differently on
displaymodule 0:d6ff5fa503e8 22 * Arduino and Mbed platforms.
displaymodule 0:d6ff5fa503e8 23 */
displaymodule 0:d6ff5fa503e8 24 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 0:d6ff5fa503e8 25 #define read_font_line(__char, __line) \
displaymodule 0:d6ff5fa503e8 26 pgm_read_byte(&font[((uint16_t)(__char))*FONT_CHAR_HEIGHT+(__line)])
displaymodule 0:d6ff5fa503e8 27 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 0:d6ff5fa503e8 28 #define read_font_line(__char, __line) \
displaymodule 0:d6ff5fa503e8 29 font[((uint16_t)(__char))*FONT_CHAR_HEIGHT+(__line)]
displaymodule 0:d6ff5fa503e8 30 #endif
displaymodule 0:d6ff5fa503e8 31
displaymodule 0:d6ff5fa503e8 32
displaymodule 0:d6ff5fa503e8 33 void DmTftBase::setPixel(uint16_t x, uint16_t y, uint16_t color) {
displaymodule 0:d6ff5fa503e8 34 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 35
displaymodule 0:d6ff5fa503e8 36 setAddress(x, y, x, y);
displaymodule 0:d6ff5fa503e8 37
displaymodule 0:d6ff5fa503e8 38 sendData(color);
displaymodule 0:d6ff5fa503e8 39 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 40 }
displaymodule 0:d6ff5fa503e8 41
displaymodule 0:d6ff5fa503e8 42 void DmTftBase::clearScreen(uint16_t color) {
displaymodule 0:d6ff5fa503e8 43 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 44
displaymodule 0:d6ff5fa503e8 45 setAddress(0,0,_width-1, _height-1);
displaymodule 0:d6ff5fa503e8 46
displaymodule 0:d6ff5fa503e8 47 for(uint16_t i=0; i<_height; i++) {
displaymodule 0:d6ff5fa503e8 48 for(uint16_t j=0; j<_width; j++) {
displaymodule 0:d6ff5fa503e8 49 sendData(color);
displaymodule 0:d6ff5fa503e8 50 }
displaymodule 0:d6ff5fa503e8 51 }
displaymodule 0:d6ff5fa503e8 52
displaymodule 0:d6ff5fa503e8 53 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 54 }
displaymodule 0:d6ff5fa503e8 55
displaymodule 0:d6ff5fa503e8 56 void DmTftBase::drawHorizontalLine(uint16_t x, uint16_t y, uint16_t length, uint16_t color) {
displaymodule 0:d6ff5fa503e8 57 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 58
displaymodule 0:d6ff5fa503e8 59 setAddress(x, y, x + length, y);
displaymodule 0:d6ff5fa503e8 60
displaymodule 0:d6ff5fa503e8 61 for (int i = 0; i <= length; i++) {
displaymodule 0:d6ff5fa503e8 62 sendData(color);
displaymodule 0:d6ff5fa503e8 63 }
displaymodule 0:d6ff5fa503e8 64
displaymodule 0:d6ff5fa503e8 65 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 66 }
displaymodule 0:d6ff5fa503e8 67
displaymodule 0:d6ff5fa503e8 68 void DmTftBase::drawVerticalLine(uint16_t x, uint16_t y, uint16_t length, uint16_t color) {
displaymodule 0:d6ff5fa503e8 69 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 70
displaymodule 0:d6ff5fa503e8 71 setAddress(x, y, x, y + length);
displaymodule 0:d6ff5fa503e8 72
displaymodule 0:d6ff5fa503e8 73 for (int i = 0; i <= length; i++) {
displaymodule 0:d6ff5fa503e8 74 sendData(color);
displaymodule 0:d6ff5fa503e8 75 }
displaymodule 0:d6ff5fa503e8 76
displaymodule 0:d6ff5fa503e8 77 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 78 }
displaymodule 0:d6ff5fa503e8 79
displaymodule 0:d6ff5fa503e8 80 void DmTftBase::drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) {
displaymodule 0:d6ff5fa503e8 81 int x = x1-x0;
displaymodule 0:d6ff5fa503e8 82 int y = y1-y0;
displaymodule 0:d6ff5fa503e8 83 int dx = abs(x), sx = x0<x1 ? 1 : -1;
displaymodule 0:d6ff5fa503e8 84 int dy = -abs(y), sy = y0<y1 ? 1 : -1;
displaymodule 0:d6ff5fa503e8 85 int err = dx+dy, e2; /* error value e_xy */
displaymodule 0:d6ff5fa503e8 86 for (;;) {
displaymodule 0:d6ff5fa503e8 87 setPixel(x0,y0,color);
displaymodule 0:d6ff5fa503e8 88 e2 = 2*err;
displaymodule 0:d6ff5fa503e8 89 if (e2 >= dy) { /* e_xy+e_x > 0 */
displaymodule 0:d6ff5fa503e8 90 if (x0 == x1) {
displaymodule 0:d6ff5fa503e8 91 break;
displaymodule 0:d6ff5fa503e8 92 }
displaymodule 0:d6ff5fa503e8 93 err += dy; x0 += sx;
displaymodule 0:d6ff5fa503e8 94 }
displaymodule 0:d6ff5fa503e8 95 if (e2 <= dx) { /* e_xy+e_y < 0 */
displaymodule 0:d6ff5fa503e8 96 if (y0 == y1) {
displaymodule 0:d6ff5fa503e8 97 break;
displaymodule 0:d6ff5fa503e8 98 }
displaymodule 0:d6ff5fa503e8 99 err += dx; y0 += sy;
displaymodule 0:d6ff5fa503e8 100 }
displaymodule 0:d6ff5fa503e8 101 }
displaymodule 0:d6ff5fa503e8 102 }
displaymodule 0:d6ff5fa503e8 103
displaymodule 0:d6ff5fa503e8 104 void DmTftBase::drawRectangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) {
displaymodule 0:d6ff5fa503e8 105 // Make sure x0,y0 are in the top left corner
displaymodule 0:d6ff5fa503e8 106 if(x0 > x1) {
displaymodule 0:d6ff5fa503e8 107 x0 = x0^x1;
displaymodule 0:d6ff5fa503e8 108 x1 = x0^x1;
displaymodule 0:d6ff5fa503e8 109 x0 = x0^x1;
displaymodule 0:d6ff5fa503e8 110 }
displaymodule 0:d6ff5fa503e8 111 if(y0 > y1) {
displaymodule 0:d6ff5fa503e8 112 y0 = y0^y1;
displaymodule 0:d6ff5fa503e8 113 y1 = y0^y1;
displaymodule 0:d6ff5fa503e8 114 y0 = y0^y1;
displaymodule 0:d6ff5fa503e8 115 }
displaymodule 0:d6ff5fa503e8 116
displaymodule 0:d6ff5fa503e8 117 drawHorizontalLine(x0, y0, x1-x0, color);
displaymodule 0:d6ff5fa503e8 118 drawHorizontalLine(x0, y1, x1-x0, color);
displaymodule 0:d6ff5fa503e8 119 drawVerticalLine(x0, y0, y1-y0, color);
displaymodule 0:d6ff5fa503e8 120 drawVerticalLine(x1, y0, y1-y0, color);
displaymodule 0:d6ff5fa503e8 121 }
displaymodule 0:d6ff5fa503e8 122
displaymodule 0:d6ff5fa503e8 123 void DmTftBase::fillRectangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color) {
displaymodule 0:d6ff5fa503e8 124 unsigned long numPixels=0;
displaymodule 0:d6ff5fa503e8 125 unsigned long i=0;
displaymodule 0:d6ff5fa503e8 126
displaymodule 0:d6ff5fa503e8 127 // Make sure x0,y0 are in the top left corner
displaymodule 0:d6ff5fa503e8 128 if(x0 > x1) {
displaymodule 0:d6ff5fa503e8 129 x0 = x0^x1;
displaymodule 0:d6ff5fa503e8 130 x1 = x0^x1;
displaymodule 0:d6ff5fa503e8 131 x0 = x0^x1;
displaymodule 0:d6ff5fa503e8 132 }
displaymodule 0:d6ff5fa503e8 133 if(y0 > y1) {
displaymodule 0:d6ff5fa503e8 134 y0 = y0^y1;
displaymodule 0:d6ff5fa503e8 135 y1 = y0^y1;
displaymodule 0:d6ff5fa503e8 136 y0 = y0^y1;
displaymodule 0:d6ff5fa503e8 137 }
displaymodule 0:d6ff5fa503e8 138
displaymodule 0:d6ff5fa503e8 139 x0 = constrain(x0, 0, _width-1);
displaymodule 0:d6ff5fa503e8 140 x1 = constrain(x1, 0, _width-1);
displaymodule 0:d6ff5fa503e8 141 y0 = constrain(y0, 0, _height-1);
displaymodule 0:d6ff5fa503e8 142 y1 = constrain(y1, 0, _height-1);
displaymodule 0:d6ff5fa503e8 143
displaymodule 0:d6ff5fa503e8 144 numPixels = (x1-x0+1);
displaymodule 0:d6ff5fa503e8 145 numPixels = numPixels*(y1-y0+1);
displaymodule 0:d6ff5fa503e8 146
displaymodule 0:d6ff5fa503e8 147 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 148 setAddress(x0,y0,x1,y1);/* start to write to display ra */
displaymodule 0:d6ff5fa503e8 149
displaymodule 0:d6ff5fa503e8 150 for(i=0; i < numPixels; i++) {
displaymodule 0:d6ff5fa503e8 151 sendData(color);
displaymodule 0:d6ff5fa503e8 152 }
displaymodule 0:d6ff5fa503e8 153
displaymodule 0:d6ff5fa503e8 154 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 155 }
displaymodule 0:d6ff5fa503e8 156
displaymodule 0:d6ff5fa503e8 157 void DmTftBase::drawCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color) {
displaymodule 0:d6ff5fa503e8 158 int x = -r, y = 0, err = 2-2*r, e2;
displaymodule 0:d6ff5fa503e8 159 do {
displaymodule 0:d6ff5fa503e8 160 setPixel(x0-x, y0+y, color);
displaymodule 0:d6ff5fa503e8 161 setPixel(x0+x, y0+y, color);
displaymodule 0:d6ff5fa503e8 162 setPixel(x0+x, y0-y, color);
displaymodule 0:d6ff5fa503e8 163 setPixel(x0-x, y0-y, color);
displaymodule 0:d6ff5fa503e8 164 e2 = err;
displaymodule 0:d6ff5fa503e8 165 if (e2 <= y) {
displaymodule 0:d6ff5fa503e8 166 err += ++y*2+1;
displaymodule 0:d6ff5fa503e8 167 if (-x == y && e2 <= x) {
displaymodule 0:d6ff5fa503e8 168 e2 = 0;
displaymodule 0:d6ff5fa503e8 169 }
displaymodule 0:d6ff5fa503e8 170 }
displaymodule 0:d6ff5fa503e8 171 if (e2 > x) {
displaymodule 0:d6ff5fa503e8 172 err += ++x * 2 + 1;
displaymodule 0:d6ff5fa503e8 173 }
displaymodule 0:d6ff5fa503e8 174 } while (x <= 0);
displaymodule 0:d6ff5fa503e8 175 }
displaymodule 0:d6ff5fa503e8 176
displaymodule 0:d6ff5fa503e8 177 void DmTftBase::fillCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color) {
displaymodule 0:d6ff5fa503e8 178 int x = -r, y = 0, err = 2-2*r, e2;
displaymodule 0:d6ff5fa503e8 179 do {
displaymodule 0:d6ff5fa503e8 180 drawVerticalLine(x0-x, y0-y, 2*y, color);
displaymodule 0:d6ff5fa503e8 181 drawVerticalLine(x0+x, y0-y, 2*y, color);
displaymodule 0:d6ff5fa503e8 182
displaymodule 0:d6ff5fa503e8 183 e2 = err;
displaymodule 0:d6ff5fa503e8 184 if (e2 <= y) {
displaymodule 0:d6ff5fa503e8 185 err += ++y * 2 + 1;
displaymodule 0:d6ff5fa503e8 186 if (-x == y && e2 <= x) {
displaymodule 0:d6ff5fa503e8 187 e2 = 0;
displaymodule 0:d6ff5fa503e8 188 }
displaymodule 0:d6ff5fa503e8 189 }
displaymodule 0:d6ff5fa503e8 190 if (e2 > x) {
displaymodule 0:d6ff5fa503e8 191 err += ++x*2+1;
displaymodule 0:d6ff5fa503e8 192 }
displaymodule 0:d6ff5fa503e8 193 } while (x <= 0);
displaymodule 0:d6ff5fa503e8 194 }
displaymodule 0:d6ff5fa503e8 195
displaymodule 0:d6ff5fa503e8 196 void DmTftBase::drawTriangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) {
displaymodule 0:d6ff5fa503e8 197 drawLine(x0, y0, x1, y1, color);
displaymodule 0:d6ff5fa503e8 198 drawLine(x0, y0, x2, y2, color);
displaymodule 0:d6ff5fa503e8 199 drawLine(x1, y1, x2, y2, color);
displaymodule 0:d6ff5fa503e8 200 }
displaymodule 0:d6ff5fa503e8 201
displaymodule 0:d6ff5fa503e8 202 void DmTftBase::drawPoint(uint16_t x, uint16_t y, uint16_t radius) {
displaymodule 0:d6ff5fa503e8 203 if (radius == 0) {
displaymodule 0:d6ff5fa503e8 204 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 205
displaymodule 0:d6ff5fa503e8 206 setAddress(x,y,x,y);
displaymodule 0:d6ff5fa503e8 207 sendData(_fgColor);
displaymodule 0:d6ff5fa503e8 208
displaymodule 0:d6ff5fa503e8 209 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 210 } else {
displaymodule 0:d6ff5fa503e8 211 fillRectangle(x-radius,y-radius,x+radius,y+radius, _fgColor);
displaymodule 0:d6ff5fa503e8 212 }
displaymodule 0:d6ff5fa503e8 213 }
displaymodule 0:d6ff5fa503e8 214
displaymodule 0:d6ff5fa503e8 215 void DmTftBase::drawChar(uint16_t x, uint16_t y, char ch, bool transparent) {
displaymodule 0:d6ff5fa503e8 216 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 217
displaymodule 0:d6ff5fa503e8 218 uint8_t temp;
displaymodule 0:d6ff5fa503e8 219 uint8_t pos,t;
displaymodule 0:d6ff5fa503e8 220
displaymodule 0:d6ff5fa503e8 221 if ((x > (_width - FONT_CHAR_WIDTH)) || (y > (_height - FONT_CHAR_HEIGHT))) {
displaymodule 0:d6ff5fa503e8 222 return;
displaymodule 0:d6ff5fa503e8 223 }
displaymodule 0:d6ff5fa503e8 224
displaymodule 0:d6ff5fa503e8 225 ch=ch-' ';
displaymodule 0:d6ff5fa503e8 226 if (!transparent) { // Clear background
displaymodule 0:d6ff5fa503e8 227 setAddress(x,y,x+FONT_CHAR_WIDTH-1,y+FONT_CHAR_HEIGHT-1);
displaymodule 0:d6ff5fa503e8 228 for(pos=0;pos<FONT_CHAR_HEIGHT;pos++) {
displaymodule 0:d6ff5fa503e8 229 temp = read_font_line(ch, pos);
displaymodule 0:d6ff5fa503e8 230 for(t=0;t<FONT_CHAR_WIDTH;t++) {
displaymodule 0:d6ff5fa503e8 231 if (temp & 0x01) {
displaymodule 0:d6ff5fa503e8 232 sendData(_fgColor);
displaymodule 0:d6ff5fa503e8 233 }
displaymodule 0:d6ff5fa503e8 234 else {
displaymodule 0:d6ff5fa503e8 235 sendData(_bgColor);
displaymodule 0:d6ff5fa503e8 236 }
displaymodule 0:d6ff5fa503e8 237 temp>>=1;
displaymodule 0:d6ff5fa503e8 238 }
displaymodule 0:d6ff5fa503e8 239 y++;
displaymodule 0:d6ff5fa503e8 240 }
displaymodule 0:d6ff5fa503e8 241 }
displaymodule 0:d6ff5fa503e8 242 else { //Draw directly without clearing background
displaymodule 0:d6ff5fa503e8 243 for(pos=0;pos<FONT_CHAR_HEIGHT;pos++) {
displaymodule 0:d6ff5fa503e8 244 temp = read_font_line(ch, pos);
displaymodule 0:d6ff5fa503e8 245 for(t=0;t<FONT_CHAR_WIDTH;t++) {
displaymodule 0:d6ff5fa503e8 246 if (temp & 0x01) {
displaymodule 0:d6ff5fa503e8 247 setAddress(x + t, y + pos, x + t, y + pos);
displaymodule 0:d6ff5fa503e8 248 sendData(_fgColor);
displaymodule 0:d6ff5fa503e8 249 //drawPoint(x + t, y + pos);
displaymodule 0:d6ff5fa503e8 250 }
displaymodule 0:d6ff5fa503e8 251 temp>>=1;
displaymodule 0:d6ff5fa503e8 252 }
displaymodule 0:d6ff5fa503e8 253 }
displaymodule 0:d6ff5fa503e8 254 }
displaymodule 0:d6ff5fa503e8 255
displaymodule 0:d6ff5fa503e8 256 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 257 }
displaymodule 0:d6ff5fa503e8 258
displaymodule 0:d6ff5fa503e8 259 void DmTftBase::drawNumber(uint16_t x, uint16_t y, int num, int digitsToShow, bool leadingZeros) {
displaymodule 0:d6ff5fa503e8 260 bool minus = false;
displaymodule 0:d6ff5fa503e8 261 if (num < 0) {
displaymodule 0:d6ff5fa503e8 262 num = -num;
displaymodule 0:d6ff5fa503e8 263 minus = true;
displaymodule 0:d6ff5fa503e8 264 }
displaymodule 0:d6ff5fa503e8 265 for (int i = 0; i < digitsToShow; i++) {
displaymodule 0:d6ff5fa503e8 266 char c = ' ';
displaymodule 0:d6ff5fa503e8 267 if ((num == 0) && (i > 0)) {
displaymodule 0:d6ff5fa503e8 268 if (leadingZeros) {
displaymodule 0:d6ff5fa503e8 269 c = '0';
displaymodule 0:d6ff5fa503e8 270 if (minus && (i == (digitsToShow-1))) {
displaymodule 0:d6ff5fa503e8 271 c = '-';
displaymodule 0:d6ff5fa503e8 272 }
displaymodule 0:d6ff5fa503e8 273 } else if (minus) {
displaymodule 0:d6ff5fa503e8 274 c = '-';
displaymodule 0:d6ff5fa503e8 275 minus = false;
displaymodule 0:d6ff5fa503e8 276 }
displaymodule 0:d6ff5fa503e8 277 } else {
displaymodule 0:d6ff5fa503e8 278 c = '0' + (num % 10);
displaymodule 0:d6ff5fa503e8 279 }
displaymodule 0:d6ff5fa503e8 280 drawChar(x + FONT_CHAR_WIDTH*(digitsToShow - i - 1), y, c, false);
displaymodule 0:d6ff5fa503e8 281 num = num / 10;
displaymodule 0:d6ff5fa503e8 282 }
displaymodule 0:d6ff5fa503e8 283 }
displaymodule 0:d6ff5fa503e8 284
displaymodule 0:d6ff5fa503e8 285 void DmTftBase::drawString(uint16_t x, uint16_t y, const char *p) {
displaymodule 0:d6ff5fa503e8 286 while(*p!='\0')
displaymodule 0:d6ff5fa503e8 287 {
displaymodule 0:d6ff5fa503e8 288 if(x > (_width - FONT_CHAR_WIDTH)) {
displaymodule 0:d6ff5fa503e8 289 x = 0;
displaymodule 0:d6ff5fa503e8 290 y += FONT_CHAR_HEIGHT;
displaymodule 0:d6ff5fa503e8 291 }
displaymodule 0:d6ff5fa503e8 292 if(y > (_height - FONT_CHAR_HEIGHT)) {
displaymodule 0:d6ff5fa503e8 293 y = x = 0;
displaymodule 0:d6ff5fa503e8 294 }
displaymodule 0:d6ff5fa503e8 295 drawChar(x, y, *p, false);
displaymodule 0:d6ff5fa503e8 296 x += FONT_CHAR_WIDTH;
displaymodule 0:d6ff5fa503e8 297 p++;
displaymodule 0:d6ff5fa503e8 298 }
displaymodule 0:d6ff5fa503e8 299 }
displaymodule 0:d6ff5fa503e8 300
displaymodule 0:d6ff5fa503e8 301 void DmTftBase::drawStringCentered(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const char *p) {
displaymodule 0:d6ff5fa503e8 302 int len = strlen(p);
displaymodule 0:d6ff5fa503e8 303 uint16_t tmp = len * FONT_CHAR_WIDTH;
displaymodule 0:d6ff5fa503e8 304 if (tmp <= width) {
displaymodule 0:d6ff5fa503e8 305 x += (width - tmp)/2;
displaymodule 0:d6ff5fa503e8 306 }
displaymodule 0:d6ff5fa503e8 307 if (FONT_CHAR_HEIGHT <= height) {
displaymodule 0:d6ff5fa503e8 308 y += (height - FONT_CHAR_HEIGHT)/2;
displaymodule 0:d6ff5fa503e8 309 }
displaymodule 0:d6ff5fa503e8 310 drawString(x, y, p);
displaymodule 0:d6ff5fa503e8 311 }
displaymodule 0:d6ff5fa503e8 312
displaymodule 0:d6ff5fa503e8 313 void DmTftBase::drawImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t* data) {
displaymodule 0:d6ff5fa503e8 314 const uint16_t* p = data;
displaymodule 0:d6ff5fa503e8 315
displaymodule 0:d6ff5fa503e8 316 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 317
displaymodule 0:d6ff5fa503e8 318 setAddress(x,y,x+width-1,y+height-1);
displaymodule 0:d6ff5fa503e8 319 for (int i = width*height; i > 0; i--) {
displaymodule 0:d6ff5fa503e8 320 sendData(*p);
displaymodule 0:d6ff5fa503e8 321 p++;
displaymodule 0:d6ff5fa503e8 322 }
displaymodule 0:d6ff5fa503e8 323
displaymodule 0:d6ff5fa503e8 324 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 325 }
displaymodule 0:d6ff5fa503e8 326
displaymodule 0:d6ff5fa503e8 327 void DmTftBase::select(){
displaymodule 0:d6ff5fa503e8 328 cbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 329 }
displaymodule 0:d6ff5fa503e8 330
displaymodule 0:d6ff5fa503e8 331 void DmTftBase::unSelect() {
displaymodule 0:d6ff5fa503e8 332 sbi(_pinCS, _bitmaskCS);
displaymodule 0:d6ff5fa503e8 333 }
displaymodule 0:d6ff5fa503e8 334