C K
Fork of
4DGL-uLCD-SE
by 
Jonathan Austin
Diff: uLCD_4DGL_Text.cpp
- Revision:
- 1:932d76a5b290
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uLCD_4DGL_Text.cpp Tue Oct 21 16:12:49 2014 +0000
@@ -0,0 +1,343 @@
+//
+// 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;
+ }
+}