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

window.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 2:5ac5bab7daaf 1 /*
hlipka 2:5ac5bab7daaf 2 * mbed LCDWindow library
hlipka 2:5ac5bab7daaf 3 * Copyright (c) 2010 Hendrik Lipka
hlipka 2:5ac5bab7daaf 4 *
hlipka 2:5ac5bab7daaf 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
hlipka 2:5ac5bab7daaf 6 * of this software and associated documentation files (the "Software"), to deal
hlipka 2:5ac5bab7daaf 7 * in the Software without restriction, including without limitation the rights
hlipka 2:5ac5bab7daaf 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hlipka 2:5ac5bab7daaf 9 * copies of the Software, and to permit persons to whom the Software is
hlipka 2:5ac5bab7daaf 10 * furnished to do so, subject to the following conditions:
hlipka 2:5ac5bab7daaf 11 *
hlipka 2:5ac5bab7daaf 12 * The above copyright notice and this permission notice shall be included in
hlipka 2:5ac5bab7daaf 13 * all copies or substantial portions of the Software.
hlipka 2:5ac5bab7daaf 14 *
hlipka 2:5ac5bab7daaf 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hlipka 2:5ac5bab7daaf 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hlipka 2:5ac5bab7daaf 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hlipka 2:5ac5bab7daaf 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hlipka 2:5ac5bab7daaf 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hlipka 2:5ac5bab7daaf 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hlipka 2:5ac5bab7daaf 21 * THE SOFTWARE.
hlipka 2:5ac5bab7daaf 22 */
hlipka 2:5ac5bab7daaf 23
hlipka 2:5ac5bab7daaf 24 #include "window.h"
hlipka 2:5ac5bab7daaf 25
hlipka 2:5ac5bab7daaf 26 void Window::locate(int column, int row) {
hlipka 2:5ac5bab7daaf 27 _column = column;
hlipka 2:5ac5bab7daaf 28 _row = row;
hlipka 2:5ac5bab7daaf 29 }
hlipka 2:5ac5bab7daaf 30
hlipka 2:5ac5bab7daaf 31 int Window::_putc(int value) {
hlipka 2:5ac5bab7daaf 32 if (value == '\n') {
hlipka 2:5ac5bab7daaf 33 _column = 0;
hlipka 2:5ac5bab7daaf 34 _row++;
hlipka 2:5ac5bab7daaf 35 if (_row >= getRows()) {
hlipka 2:5ac5bab7daaf 36 _row = 0;
hlipka 2:5ac5bab7daaf 37 }
hlipka 2:5ac5bab7daaf 38 } else {
hlipka 2:5ac5bab7daaf 39 character(_column, _row, value);
hlipka 2:5ac5bab7daaf 40 _column++;
hlipka 2:5ac5bab7daaf 41 if (_column >= getColumns()) {
hlipka 2:5ac5bab7daaf 42 _column = 0;
hlipka 2:5ac5bab7daaf 43 _row++;
hlipka 2:5ac5bab7daaf 44 if (_row >= getRows()) {
hlipka 2:5ac5bab7daaf 45 _row = 0;
hlipka 2:5ac5bab7daaf 46 }
hlipka 2:5ac5bab7daaf 47 }
hlipka 2:5ac5bab7daaf 48 }
hlipka 2:5ac5bab7daaf 49 return value;
hlipka 3:e5d5e2fe4bf6 50 }
hlipka 3:e5d5e2fe4bf6 51
hlipka 3:e5d5e2fe4bf6 52 Window::Window()
hlipka 3:e5d5e2fe4bf6 53 {
hlipka 3:e5d5e2fe4bf6 54 _guard=new Semaphore();
hlipka 2:5ac5bab7daaf 55 }