Ratchapong T / Mbed 2 deprecated uLCD_ExtendedScreen

Allow user to connect multiple screen.

Dependencies:   mbed-rtos mbed

4DGL-uLCD-SE/uLCD_4DGL_Text.cpp@0:052d0f82433e, 2015-03-11 (annotated)

Committer:
Ratchapong
Date:
Wed Mar 11 05:00:37 2015 +0000
Revision:
0:052d0f82433e
Working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ratchapong 0:052d0f82433e 1 //
Ratchapong 0:052d0f82433e 2 // uLCD_4DGL is a class to drive 4D Systems TFT touch screens
Ratchapong 0:052d0f82433e 3 //
Ratchapong 0:052d0f82433e 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
Ratchapong 0:052d0f82433e 5 // Modifed for Goldelox processor <2013> Jim Hamblen
Ratchapong 0:052d0f82433e 6 //
Ratchapong 0:052d0f82433e 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
Ratchapong 0:052d0f82433e 8 // it under the terms of the GNU General Public License as published by
Ratchapong 0:052d0f82433e 9 // the Free Software Foundation, either version 3 of the License, or
Ratchapong 0:052d0f82433e 10 // (at your option) any later version.
Ratchapong 0:052d0f82433e 11 //
Ratchapong 0:052d0f82433e 12 // uLCD_4DGL is distributed in the hope that it will be useful,
Ratchapong 0:052d0f82433e 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
Ratchapong 0:052d0f82433e 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Ratchapong 0:052d0f82433e 15 // GNU General Public License for more details.
Ratchapong 0:052d0f82433e 16 //
Ratchapong 0:052d0f82433e 17 // You should have received a copy of the GNU General Public License
Ratchapong 0:052d0f82433e 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
Ratchapong 0:052d0f82433e 19
Ratchapong 0:052d0f82433e 20 #include "mbed.h"
Ratchapong 0:052d0f82433e 21 #include "uLCD_4DGL.h"
Ratchapong 0:052d0f82433e 22
Ratchapong 0:052d0f82433e 23 //****************************************************************************************************
Ratchapong 0:052d0f82433e 24 void uLCD_4DGL :: set_font_size(char width, char height) // set font size
Ratchapong 0:052d0f82433e 25 {
Ratchapong 0:052d0f82433e 26 if (current_orientation == IS_PORTRAIT) {
Ratchapong 0:052d0f82433e 27 current_fx = width;
Ratchapong 0:052d0f82433e 28 current_fy = height;
Ratchapong 0:052d0f82433e 29 } else {
Ratchapong 0:052d0f82433e 30 current_fy = height;
Ratchapong 0:052d0f82433e 31 current_fx = width;
Ratchapong 0:052d0f82433e 32 }
Ratchapong 0:052d0f82433e 33 max_col = current_w / (current_fx*current_wf);
Ratchapong 0:052d0f82433e 34 max_row = current_h / (current_fy*current_hf);
Ratchapong 0:052d0f82433e 35 }
Ratchapong 0:052d0f82433e 36
Ratchapong 0:052d0f82433e 37 //****************************************************************************************************
Ratchapong 0:052d0f82433e 38 void uLCD_4DGL :: set_font(char mode) // set font - system or SD media
Ratchapong 0:052d0f82433e 39 {
Ratchapong 0:052d0f82433e 40 char command[3]= "";
Ratchapong 0:052d0f82433e 41
Ratchapong 0:052d0f82433e 42 command[0] = SETFONT;
Ratchapong 0:052d0f82433e 43 command[1] = 0;
Ratchapong 0:052d0f82433e 44 command[2] = mode;
Ratchapong 0:052d0f82433e 45
Ratchapong 0:052d0f82433e 46 current_font = mode;
Ratchapong 0:052d0f82433e 47
Ratchapong 0:052d0f82433e 48 if (current_orientation == IS_PORTRAIT) {
Ratchapong 0:052d0f82433e 49 current_w = SIZE_X;
Ratchapong 0:052d0f82433e 50 current_h = SIZE_Y;
Ratchapong 0:052d0f82433e 51 } else {
Ratchapong 0:052d0f82433e 52 current_w = SIZE_Y;
Ratchapong 0:052d0f82433e 53 current_h = SIZE_X;
Ratchapong 0:052d0f82433e 54 }
Ratchapong 0:052d0f82433e 55
Ratchapong 0:052d0f82433e 56 switch (mode) {
Ratchapong 0:052d0f82433e 57 case FONT_5X7 :
Ratchapong 0:052d0f82433e 58
Ratchapong 0:052d0f82433e 59 current_fx = 6;
Ratchapong 0:052d0f82433e 60 current_fy = 8;
Ratchapong 0:052d0f82433e 61 break;
Ratchapong 0:052d0f82433e 62 case FONT_7X8 :
Ratchapong 0:052d0f82433e 63 current_fx = 7;
Ratchapong 0:052d0f82433e 64 current_fy = 8;
Ratchapong 0:052d0f82433e 65 break;
Ratchapong 0:052d0f82433e 66 case FONT_8X8 :
Ratchapong 0:052d0f82433e 67 current_fx = 8;
Ratchapong 0:052d0f82433e 68 current_fy = 8;
Ratchapong 0:052d0f82433e 69 break;
Ratchapong 0:052d0f82433e 70 case FONT_8X12 :
Ratchapong 0:052d0f82433e 71 current_fx = 8;
Ratchapong 0:052d0f82433e 72 current_fy = 12;
Ratchapong 0:052d0f82433e 73 break;
Ratchapong 0:052d0f82433e 74 case FONT_12X16 :
Ratchapong 0:052d0f82433e 75 current_fx = 12;
Ratchapong 0:052d0f82433e 76 current_fy = 16;
Ratchapong 0:052d0f82433e 77 break;
Ratchapong 0:052d0f82433e 78 default:
Ratchapong 0:052d0f82433e 79 current_fx = 8;
Ratchapong 0:052d0f82433e 80 current_fy = 8;
Ratchapong 0:052d0f82433e 81 }
Ratchapong 0:052d0f82433e 82
Ratchapong 0:052d0f82433e 83 max_col = current_w / (current_fx*current_wf);
Ratchapong 0:052d0f82433e 84 max_row = current_h / (current_fy*current_hf);
Ratchapong 0:052d0f82433e 85
Ratchapong 0:052d0f82433e 86 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 87 }
Ratchapong 0:052d0f82433e 88
Ratchapong 0:052d0f82433e 89
Ratchapong 0:052d0f82433e 90
Ratchapong 0:052d0f82433e 91 //****************************************************************************************************
Ratchapong 0:052d0f82433e 92 void uLCD_4DGL :: text_mode(char mode) // set text mode
Ratchapong 0:052d0f82433e 93 {
Ratchapong 0:052d0f82433e 94 char command[3]= "";
Ratchapong 0:052d0f82433e 95
Ratchapong 0:052d0f82433e 96 command[0] = TEXTMODE;
Ratchapong 0:052d0f82433e 97 command[1] = 0;
Ratchapong 0:052d0f82433e 98 command[2] = mode;
Ratchapong 0:052d0f82433e 99
Ratchapong 0:052d0f82433e 100 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 101 }
Ratchapong 0:052d0f82433e 102
Ratchapong 0:052d0f82433e 103 //****************************************************************************************************
Ratchapong 0:052d0f82433e 104 void uLCD_4DGL :: text_bold(char mode) // set text mode
Ratchapong 0:052d0f82433e 105 {
Ratchapong 0:052d0f82433e 106 char command[3]= "";
Ratchapong 0:052d0f82433e 107
Ratchapong 0:052d0f82433e 108 command[0] = TEXTBOLD;
Ratchapong 0:052d0f82433e 109 command[1] = 0;
Ratchapong 0:052d0f82433e 110 command[2] = mode;
Ratchapong 0:052d0f82433e 111
Ratchapong 0:052d0f82433e 112 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 113 }
Ratchapong 0:052d0f82433e 114
Ratchapong 0:052d0f82433e 115 //****************************************************************************************************
Ratchapong 0:052d0f82433e 116 void uLCD_4DGL :: text_italic(char mode) // set text mode
Ratchapong 0:052d0f82433e 117 {
Ratchapong 0:052d0f82433e 118 char command[3]= "";
Ratchapong 0:052d0f82433e 119
Ratchapong 0:052d0f82433e 120 command[0] = TEXTITALIC;
Ratchapong 0:052d0f82433e 121 command[1] = 0;
Ratchapong 0:052d0f82433e 122 command[2] = mode;
Ratchapong 0:052d0f82433e 123
Ratchapong 0:052d0f82433e 124 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 125 }
Ratchapong 0:052d0f82433e 126
Ratchapong 0:052d0f82433e 127 //****************************************************************************************************
Ratchapong 0:052d0f82433e 128 void uLCD_4DGL :: text_inverse(char mode) // set text mode
Ratchapong 0:052d0f82433e 129 {
Ratchapong 0:052d0f82433e 130 char command[3]= "";
Ratchapong 0:052d0f82433e 131
Ratchapong 0:052d0f82433e 132 command[0] = TEXTINVERSE;
Ratchapong 0:052d0f82433e 133 command[1] = 0;
Ratchapong 0:052d0f82433e 134 command[2] = mode;
Ratchapong 0:052d0f82433e 135
Ratchapong 0:052d0f82433e 136 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 137 }
Ratchapong 0:052d0f82433e 138
Ratchapong 0:052d0f82433e 139 //****************************************************************************************************
Ratchapong 0:052d0f82433e 140 void uLCD_4DGL :: text_underline(char mode) // set text mode
Ratchapong 0:052d0f82433e 141 {
Ratchapong 0:052d0f82433e 142 char command[3]= "";
Ratchapong 0:052d0f82433e 143
Ratchapong 0:052d0f82433e 144 command[0] = TEXTUNDERLINE;
Ratchapong 0:052d0f82433e 145 command[1] = 0;
Ratchapong 0:052d0f82433e 146 command[2] = mode;
Ratchapong 0:052d0f82433e 147
Ratchapong 0:052d0f82433e 148 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 149 }
Ratchapong 0:052d0f82433e 150
Ratchapong 0:052d0f82433e 151 //****************************************************************************************************
Ratchapong 0:052d0f82433e 152 void uLCD_4DGL :: text_width(char width) // set text width
Ratchapong 0:052d0f82433e 153 {
Ratchapong 0:052d0f82433e 154 char command[3]= "";
Ratchapong 0:052d0f82433e 155
Ratchapong 0:052d0f82433e 156 command[0] = TEXTWIDTH;
Ratchapong 0:052d0f82433e 157 command[1] = 0;
Ratchapong 0:052d0f82433e 158 command[2] = width;
Ratchapong 0:052d0f82433e 159 current_wf = width;
Ratchapong 0:052d0f82433e 160 max_col = current_w / (current_fx*current_wf);
Ratchapong 0:052d0f82433e 161 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 162 }
Ratchapong 0:052d0f82433e 163
Ratchapong 0:052d0f82433e 164 //****************************************************************************************************
Ratchapong 0:052d0f82433e 165 void uLCD_4DGL :: text_height(char height) // set text height
Ratchapong 0:052d0f82433e 166 {
Ratchapong 0:052d0f82433e 167 char command[3]= "";
Ratchapong 0:052d0f82433e 168
Ratchapong 0:052d0f82433e 169 command[0] = TEXTHEIGHT;
Ratchapong 0:052d0f82433e 170 command[1] = 0;
Ratchapong 0:052d0f82433e 171 command[2] = height;
Ratchapong 0:052d0f82433e 172 current_hf = height;
Ratchapong 0:052d0f82433e 173 max_row = current_h / (current_fy*current_hf);
Ratchapong 0:052d0f82433e 174 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 175 }
Ratchapong 0:052d0f82433e 176
Ratchapong 0:052d0f82433e 177
Ratchapong 0:052d0f82433e 178 //****************************************************************************************************
Ratchapong 0:052d0f82433e 179 void uLCD_4DGL :: text_char(char c, char col, char row, int color) // draw a text char
Ratchapong 0:052d0f82433e 180 {
Ratchapong 0:052d0f82433e 181 char command[6]= "";
Ratchapong 0:052d0f82433e 182 command[0] = 0xE4; //move cursor
Ratchapong 0:052d0f82433e 183 command[1] = 0;
Ratchapong 0:052d0f82433e 184 command[2] = row;
Ratchapong 0:052d0f82433e 185 command[3] = 0;
Ratchapong 0:052d0f82433e 186 command[4] = col;
Ratchapong 0:052d0f82433e 187 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 188
Ratchapong 0:052d0f82433e 189 command[0] = 0x7F; //set color
Ratchapong 0:052d0f82433e 190
Ratchapong 0:052d0f82433e 191 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Ratchapong 0:052d0f82433e 192 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Ratchapong 0:052d0f82433e 193 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Ratchapong 0:052d0f82433e 194
Ratchapong 0:052d0f82433e 195 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Ratchapong 0:052d0f82433e 196 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Ratchapong 0:052d0f82433e 197 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 198
Ratchapong 0:052d0f82433e 199 command[0] = TEXTCHAR; //print char
Ratchapong 0:052d0f82433e 200 command[1] = 0;
Ratchapong 0:052d0f82433e 201 command[2] = c;
Ratchapong 0:052d0f82433e 202 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 203
Ratchapong 0:052d0f82433e 204 }
Ratchapong 0:052d0f82433e 205
Ratchapong 0:052d0f82433e 206
Ratchapong 0:052d0f82433e 207 //****************************************************************************************************
Ratchapong 0:052d0f82433e 208 void uLCD_4DGL :: text_string(char *s, char col, char row, char font, int color) // draw a text string
Ratchapong 0:052d0f82433e 209 {
Ratchapong 0:052d0f82433e 210
Ratchapong 0:052d0f82433e 211 char command[1000]= "";
Ratchapong 0:052d0f82433e 212 int size = strlen(s);
Ratchapong 0:052d0f82433e 213 int i = 0;
Ratchapong 0:052d0f82433e 214
Ratchapong 0:052d0f82433e 215 set_font(font);
Ratchapong 0:052d0f82433e 216
Ratchapong 0:052d0f82433e 217 command[0] = 0xE4; //move cursor
Ratchapong 0:052d0f82433e 218 command[1] = 0;
Ratchapong 0:052d0f82433e 219 command[2] = row;
Ratchapong 0:052d0f82433e 220 command[3] = 0;
Ratchapong 0:052d0f82433e 221 command[4] = col;
Ratchapong 0:052d0f82433e 222 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 223
Ratchapong 0:052d0f82433e 224 command[0] = 0x7F; //set color
Ratchapong 0:052d0f82433e 225 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Ratchapong 0:052d0f82433e 226 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Ratchapong 0:052d0f82433e 227 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Ratchapong 0:052d0f82433e 228
Ratchapong 0:052d0f82433e 229 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Ratchapong 0:052d0f82433e 230 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Ratchapong 0:052d0f82433e 231 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 232
Ratchapong 0:052d0f82433e 233 command[0] = TEXTSTRING;
Ratchapong 0:052d0f82433e 234 for (i=0; i<size; i++) command[1+i] = s[i];
Ratchapong 0:052d0f82433e 235 command[1+size] = 0;
Ratchapong 0:052d0f82433e 236 writeCOMMANDnull(command, 2 + size);
Ratchapong 0:052d0f82433e 237 }
Ratchapong 0:052d0f82433e 238
Ratchapong 0:052d0f82433e 239
Ratchapong 0:052d0f82433e 240
Ratchapong 0:052d0f82433e 241 //****************************************************************************************************
Ratchapong 0:052d0f82433e 242 void uLCD_4DGL :: locate(char col, char row) // place text curssor at col, row
Ratchapong 0:052d0f82433e 243 {
Ratchapong 0:052d0f82433e 244 char command[5] = "";
Ratchapong 0:052d0f82433e 245 current_col = col;
Ratchapong 0:052d0f82433e 246 current_row = row;
Ratchapong 0:052d0f82433e 247 command[0] = MOVECURSOR; //move cursor
Ratchapong 0:052d0f82433e 248 command[1] = 0;
Ratchapong 0:052d0f82433e 249 command[2] = current_row;
Ratchapong 0:052d0f82433e 250 command[3] = 0;
Ratchapong 0:052d0f82433e 251 command[4] = current_col;
Ratchapong 0:052d0f82433e 252 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 253 }
Ratchapong 0:052d0f82433e 254
Ratchapong 0:052d0f82433e 255 //****************************************************************************************************
Ratchapong 0:052d0f82433e 256 void uLCD_4DGL :: color(int color) // set text color
Ratchapong 0:052d0f82433e 257 {
Ratchapong 0:052d0f82433e 258 char command[5] = "";
Ratchapong 0:052d0f82433e 259 current_color = color;
Ratchapong 0:052d0f82433e 260 command[0] = 0x7F; //set color
Ratchapong 0:052d0f82433e 261
Ratchapong 0:052d0f82433e 262 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Ratchapong 0:052d0f82433e 263 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Ratchapong 0:052d0f82433e 264 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Ratchapong 0:052d0f82433e 265
Ratchapong 0:052d0f82433e 266 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Ratchapong 0:052d0f82433e 267 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Ratchapong 0:052d0f82433e 268 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 269 }
Ratchapong 0:052d0f82433e 270
Ratchapong 0:052d0f82433e 271 //****************************************************************************************************
Ratchapong 0:052d0f82433e 272 void uLCD_4DGL :: putc(char c) // place char at current cursor position
Ratchapong 0:052d0f82433e 273 //used by virtual printf function _putc
Ratchapong 0:052d0f82433e 274 {
Ratchapong 0:052d0f82433e 275 char command[6] ="";
Ratchapong 0:052d0f82433e 276 if(c<0x20) {
Ratchapong 0:052d0f82433e 277 if(c=='\n') {
Ratchapong 0:052d0f82433e 278 current_col = 0;
Ratchapong 0:052d0f82433e 279 current_row++;
Ratchapong 0:052d0f82433e 280 command[0] = MOVECURSOR; //move cursor to start of next line
Ratchapong 0:052d0f82433e 281 command[1] = 0;
Ratchapong 0:052d0f82433e 282 command[2] = current_row;
Ratchapong 0:052d0f82433e 283 command[3] = 0;
Ratchapong 0:052d0f82433e 284 command[4] = current_col;
Ratchapong 0:052d0f82433e 285 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 286 }
Ratchapong 0:052d0f82433e 287 if(c=='\r') {
Ratchapong 0:052d0f82433e 288 current_col = 0;
Ratchapong 0:052d0f82433e 289 command[0] = MOVECURSOR; //move cursor to start of line
Ratchapong 0:052d0f82433e 290 command[1] = 0;
Ratchapong 0:052d0f82433e 291 command[2] = current_row;
Ratchapong 0:052d0f82433e 292 command[3] = 0;
Ratchapong 0:052d0f82433e 293 command[4] = current_col;
Ratchapong 0:052d0f82433e 294 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 295 }
Ratchapong 0:052d0f82433e 296 if(c=='\f') {
Ratchapong 0:052d0f82433e 297 uLCD_4DGL::cls(); //clear screen on form feed
Ratchapong 0:052d0f82433e 298 }
Ratchapong 0:052d0f82433e 299 } else {
Ratchapong 0:052d0f82433e 300 command[0] = PUTCHAR;
Ratchapong 0:052d0f82433e 301 command[1] = 0x00;
Ratchapong 0:052d0f82433e 302 command[2] = c;
Ratchapong 0:052d0f82433e 303 writeCOMMAND(command,3);
Ratchapong 0:052d0f82433e 304 current_col++;
Ratchapong 0:052d0f82433e 305 }
Ratchapong 0:052d0f82433e 306 if (current_col == max_col) {
Ratchapong 0:052d0f82433e 307 current_col = 0;
Ratchapong 0:052d0f82433e 308 current_row++;
Ratchapong 0:052d0f82433e 309 command[0] = MOVECURSOR; //move cursor to next line
Ratchapong 0:052d0f82433e 310 command[1] = 0;
Ratchapong 0:052d0f82433e 311 command[2] = current_row;
Ratchapong 0:052d0f82433e 312 command[3] = 0;
Ratchapong 0:052d0f82433e 313 command[4] = current_col;
Ratchapong 0:052d0f82433e 314 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 315 }
Ratchapong 0:052d0f82433e 316 if (current_row == max_row) {
Ratchapong 0:052d0f82433e 317 current_row = 0;
Ratchapong 0:052d0f82433e 318 command[0] = MOVECURSOR; //move cursor back to start
Ratchapong 0:052d0f82433e 319 command[1] = 0;
Ratchapong 0:052d0f82433e 320 command[2] = current_row;
Ratchapong 0:052d0f82433e 321 command[3] = 0;
Ratchapong 0:052d0f82433e 322 command[4] = current_col;
Ratchapong 0:052d0f82433e 323 writeCOMMAND(command, 5);
Ratchapong 0:052d0f82433e 324 }
Ratchapong 0:052d0f82433e 325 }
Ratchapong 0:052d0f82433e 326
Ratchapong 0:052d0f82433e 327
Ratchapong 0:052d0f82433e 328 //****************************************************************************************************
Ratchapong 0:052d0f82433e 329 void uLCD_4DGL :: puts(char *s) // place string at current cursor position
Ratchapong 0:052d0f82433e 330 {
Ratchapong 0:052d0f82433e 331
Ratchapong 0:052d0f82433e 332 text_string(s, current_col, current_row, current_font, current_color);
Ratchapong 0:052d0f82433e 333
Ratchapong 0:052d0f82433e 334 current_col += strlen(s);
Ratchapong 0:052d0f82433e 335
Ratchapong 0:052d0f82433e 336 if (current_col >= max_col) {
Ratchapong 0:052d0f82433e 337 current_row += current_col / max_col;
Ratchapong 0:052d0f82433e 338 current_col %= max_col;
Ratchapong 0:052d0f82433e 339 }
Ratchapong 0:052d0f82433e 340 if (current_row >= max_row) {
Ratchapong 0:052d0f82433e 341 current_row %= max_row;
Ratchapong 0:052d0f82433e 342 }
Ratchapong 0:052d0f82433e 343 }