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Allow user to connect multiple screen.
4DGL-uLCD-SE/uLCD_4DGL_Text.cpp
- Committer:
- Ratchapong
- Date:
- 2015-03-11
- Revision:
- 0:052d0f82433e
File content as of revision 0:052d0f82433e:
// // uLCD_4DGL is a class to drive 4D Systems TFT touch screens // // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> // Modifed for Goldelox processor <2013> Jim Hamblen // // uLCD_4DGL is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // uLCD_4DGL is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>. #include "mbed.h" #include "uLCD_4DGL.h" //**************************************************************************************************** void uLCD_4DGL :: set_font_size(char width, char height) // set font size { if (current_orientation == IS_PORTRAIT) { current_fx = width; current_fy = height; } else { current_fy = height; current_fx = width; } max_col = current_w / (current_fx*current_wf); max_row = current_h / (current_fy*current_hf); } //**************************************************************************************************** void uLCD_4DGL :: set_font(char mode) // set font - system or SD media { char command[3]= ""; command[0] = SETFONT; command[1] = 0; command[2] = mode; current_font = mode; if (current_orientation == IS_PORTRAIT) { current_w = SIZE_X; current_h = SIZE_Y; } else { current_w = SIZE_Y; current_h = SIZE_X; } switch (mode) { case FONT_5X7 : current_fx = 6; current_fy = 8; break; case FONT_7X8 : current_fx = 7; current_fy = 8; break; case FONT_8X8 : current_fx = 8; current_fy = 8; break; case FONT_8X12 : current_fx = 8; current_fy = 12; break; case FONT_12X16 : current_fx = 12; current_fy = 16; break; default: current_fx = 8; current_fy = 8; } max_col = current_w / (current_fx*current_wf); max_row = current_h / (current_fy*current_hf); writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_mode(char mode) // set text mode { char command[3]= ""; command[0] = TEXTMODE; command[1] = 0; command[2] = mode; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_bold(char mode) // set text mode { char command[3]= ""; command[0] = TEXTBOLD; command[1] = 0; command[2] = mode; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_italic(char mode) // set text mode { char command[3]= ""; command[0] = TEXTITALIC; command[1] = 0; command[2] = mode; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_inverse(char mode) // set text mode { char command[3]= ""; command[0] = TEXTINVERSE; command[1] = 0; command[2] = mode; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_underline(char mode) // set text mode { char command[3]= ""; command[0] = TEXTUNDERLINE; command[1] = 0; command[2] = mode; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_width(char width) // set text width { char command[3]= ""; command[0] = TEXTWIDTH; command[1] = 0; command[2] = width; current_wf = width; max_col = current_w / (current_fx*current_wf); writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_height(char height) // set text height { char command[3]= ""; command[0] = TEXTHEIGHT; command[1] = 0; command[2] = height; current_hf = height; max_row = current_h / (current_fy*current_hf); writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_char(char c, char col, char row, int color) // draw a text char { char command[6]= ""; command[0] = 0xE4; //move cursor command[1] = 0; command[2] = row; command[3] = 0; command[4] = col; writeCOMMAND(command, 5); command[0] = 0x7F; //set color int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color writeCOMMAND(command, 3); command[0] = TEXTCHAR; //print char command[1] = 0; command[2] = c; writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: text_string(char *s, char col, char row, char font, int color) // draw a text string { char command[1000]= ""; int size = strlen(s); int i = 0; set_font(font); command[0] = 0xE4; //move cursor command[1] = 0; command[2] = row; command[3] = 0; command[4] = col; writeCOMMAND(command, 5); command[0] = 0x7F; //set color int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color writeCOMMAND(command, 3); command[0] = TEXTSTRING; for (i=0; i<size; i++) command[1+i] = s[i]; command[1+size] = 0; writeCOMMANDnull(command, 2 + size); } //**************************************************************************************************** void uLCD_4DGL :: locate(char col, char row) // place text curssor at col, row { char command[5] = ""; current_col = col; current_row = row; command[0] = MOVECURSOR; //move cursor command[1] = 0; command[2] = current_row; command[3] = 0; command[4] = current_col; writeCOMMAND(command, 5); } //**************************************************************************************************** void uLCD_4DGL :: color(int color) // set text color { char command[5] = ""; current_color = color; command[0] = 0x7F; //set color int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color writeCOMMAND(command, 3); } //**************************************************************************************************** void uLCD_4DGL :: putc(char c) // place char at current cursor position //used by virtual printf function _putc { char command[6] =""; if(c<0x20) { if(c=='\n') { current_col = 0; current_row++; command[0] = MOVECURSOR; //move cursor to start of next line command[1] = 0; command[2] = current_row; command[3] = 0; command[4] = current_col; writeCOMMAND(command, 5); } if(c=='\r') { current_col = 0; command[0] = MOVECURSOR; //move cursor to start of line command[1] = 0; command[2] = current_row; command[3] = 0; command[4] = current_col; writeCOMMAND(command, 5); } if(c=='\f') { uLCD_4DGL::cls(); //clear screen on form feed } } else { command[0] = PUTCHAR; command[1] = 0x00; command[2] = c; writeCOMMAND(command,3); current_col++; } if (current_col == max_col) { current_col = 0; current_row++; command[0] = MOVECURSOR; //move cursor to next line command[1] = 0; command[2] = current_row; command[3] = 0; command[4] = current_col; writeCOMMAND(command, 5); } if (current_row == max_row) { current_row = 0; command[0] = MOVECURSOR; //move cursor back to start command[1] = 0; command[2] = current_row; command[3] = 0; command[4] = current_col; writeCOMMAND(command, 5); } } //**************************************************************************************************** void uLCD_4DGL :: puts(char *s) // place string at current cursor position { text_string(s, current_col, current_row, current_font, current_color); current_col += strlen(s); if (current_col >= max_col) { current_row += current_col / max_col; current_col %= max_col; } if (current_row >= max_row) { current_row %= max_row; } }