Hendrik Lipka / LcdWindow

Display text on LCD displays (even on multiple ones). Allow to create windows (frames) on display, and to combine them (split, add, duplicate, scroll). See http://mbed.org/users/hlipka/notebook/lcdwindow/ for more information.

Dependents:   Mbell

multiwindow.cpp@9:2fe93daa2106, 2011-02-22 (annotated)

Committer:
hlipka
Date:
Tue Feb 22 22:57:44 2011 +0000
Revision:
9:2fe93daa2106
Parent:
3:e5d5e2fe4bf6 
fixed semaphore handling - should now be really thread safe (can be called from interrupts)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hlipka 0:ae5037e3d6e0 1 /*
hlipka 0:ae5037e3d6e0 2 * mbed LCDWindow library
hlipka 0:ae5037e3d6e0 3 * Copyright (c) 2010 Hendrik Lipka
hlipka 0:ae5037e3d6e0 4 *
hlipka 0:ae5037e3d6e0 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
hlipka 0:ae5037e3d6e0 6 * of this software and associated documentation files (the "Software"), to deal
hlipka 0:ae5037e3d6e0 7 * in the Software without restriction, including without limitation the rights
hlipka 0:ae5037e3d6e0 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hlipka 0:ae5037e3d6e0 9 * copies of the Software, and to permit persons to whom the Software is
hlipka 0:ae5037e3d6e0 10 * furnished to do so, subject to the following conditions:
hlipka 0:ae5037e3d6e0 11 *
hlipka 0:ae5037e3d6e0 12 * The above copyright notice and this permission notice shall be included in
hlipka 0:ae5037e3d6e0 13 * all copies or substantial portions of the Software.
hlipka 0:ae5037e3d6e0 14 *
hlipka 0:ae5037e3d6e0 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hlipka 0:ae5037e3d6e0 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hlipka 0:ae5037e3d6e0 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hlipka 0:ae5037e3d6e0 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hlipka 0:ae5037e3d6e0 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hlipka 0:ae5037e3d6e0 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hlipka 0:ae5037e3d6e0 21 * THE SOFTWARE.
hlipka 0:ae5037e3d6e0 22 */
hlipka 0:ae5037e3d6e0 23
hlipka 0:ae5037e3d6e0 24 #include "multiwindow.h"
hlipka 0:ae5037e3d6e0 25
hlipka 3:e5d5e2fe4bf6 26 MultiWindow::MultiWindow(vector<Window*> lcds):Window() {
hlipka 0:ae5037e3d6e0 27 _lcds=lcds;
hlipka 0:ae5037e3d6e0 28 int len=_lcds.size();
hlipka 2:5ac5bab7daaf 29 _rows=0;
hlipka 0:ae5037e3d6e0 30 for (int i=0;i<len;i++) {
hlipka 2:5ac5bab7daaf 31 _rows+=_lcds[i]->getRows();
hlipka 0:ae5037e3d6e0 32 }
hlipka 2:5ac5bab7daaf 33 _columns=_lcds[0]->getColumns();
hlipka 0:ae5037e3d6e0 34 }
hlipka 0:ae5037e3d6e0 35
hlipka 2:5ac5bab7daaf 36 void MultiWindow::character(int column, int row, int c)
hlipka 2:5ac5bab7daaf 37 {
hlipka 0:ae5037e3d6e0 38 int len=_lcds.size();
hlipka 0:ae5037e3d6e0 39 int lines=0;
hlipka 0:ae5037e3d6e0 40 for (int i=0;i<len;i++) {
hlipka 2:5ac5bab7daaf 41 int height=_lcds[i]->getRows();
hlipka 2:5ac5bab7daaf 42 if (row>=lines && row <lines+height) {
hlipka 2:5ac5bab7daaf 43 _lcds[i]->character(column,row-lines,c);
hlipka 2:5ac5bab7daaf 44 break;
hlipka 2:5ac5bab7daaf 45 }
hlipka 2:5ac5bab7daaf 46 lines+=height;
hlipka 2:5ac5bab7daaf 47 }
hlipka 2:5ac5bab7daaf 48 }
hlipka 2:5ac5bab7daaf 49
hlipka 2:5ac5bab7daaf 50
hlipka 2:5ac5bab7daaf 51 void MultiWindow::writeText(const unsigned int columns, const unsigned int row, const char text[]) {
hlipka 2:5ac5bab7daaf 52 int len=_lcds.size();
hlipka 2:5ac5bab7daaf 53 int lines=0;
hlipka 2:5ac5bab7daaf 54 for (int i=0;i<len;i++) {
hlipka 2:5ac5bab7daaf 55 int height=_lcds[i]->getRows();
hlipka 2:5ac5bab7daaf 56 if (row>=lines && row <lines+height) {
hlipka 2:5ac5bab7daaf 57 _lcds[i]->writeText(columns,row-lines,text);
hlipka 2:5ac5bab7daaf 58 break;
hlipka 0:ae5037e3d6e0 59 }
hlipka 0:ae5037e3d6e0 60 lines+=height;
hlipka 0:ae5037e3d6e0 61 }
hlipka 0:ae5037e3d6e0 62 }
hlipka 0:ae5037e3d6e0 63
hlipka 0:ae5037e3d6e0 64 void MultiWindow::clear() {
hlipka 0:ae5037e3d6e0 65 int len=_lcds.size();
hlipka 0:ae5037e3d6e0 66 for (int i=0;i<len;i++) {
hlipka 0:ae5037e3d6e0 67 _lcds[i]->clear();
hlipka 0:ae5037e3d6e0 68 }
hlipka 0:ae5037e3d6e0 69 }