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

sed1335text.h@9:2fe93daa2106, 2011-02-22 (annotated)

Committer:
hlipka
Date:
Tue Feb 22 22:57:44 2011 +0000
Revision:
9:2fe93daa2106
Parent:
8:ba176eea3e40 
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 6:7ba288afed38 1 /*
hlipka 6:7ba288afed38 2 * mbed LCDWindow library
hlipka 6:7ba288afed38 3 * Copyright (c) 2010 Hendrik Lipka
hlipka 6:7ba288afed38 4 *
hlipka 6:7ba288afed38 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
hlipka 6:7ba288afed38 6 * of this software and associated documentation files (the "Software"), to deal
hlipka 6:7ba288afed38 7 * in the Software without restriction, including without limitation the rights
hlipka 6:7ba288afed38 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hlipka 6:7ba288afed38 9 * copies of the Software, and to permit persons to whom the Software is
hlipka 6:7ba288afed38 10 * furnished to do so, subject to the following conditions:
hlipka 6:7ba288afed38 11 *
hlipka 6:7ba288afed38 12 * The above copyright notice and this permission notice shall be included in
hlipka 6:7ba288afed38 13 * all copies or substantial portions of the Software.
hlipka 6:7ba288afed38 14 *
hlipka 6:7ba288afed38 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hlipka 6:7ba288afed38 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hlipka 6:7ba288afed38 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hlipka 6:7ba288afed38 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hlipka 6:7ba288afed38 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hlipka 6:7ba288afed38 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hlipka 6:7ba288afed38 21 * THE SOFTWARE.
hlipka 6:7ba288afed38 22 */
hlipka 6:7ba288afed38 23
hlipka 6:7ba288afed38 24 #ifndef SED1335_8BIT_H_
hlipka 6:7ba288afed38 25 #define SED1335_8BIT_H_
hlipka 6:7ba288afed38 26
hlipka 6:7ba288afed38 27 #include "lcd.h"
hlipka 6:7ba288afed38 28
hlipka 6:7ba288afed38 29 #include "BusOut.h"
hlipka 6:7ba288afed38 30 #include "DigitalOut.h"
hlipka 6:7ba288afed38 31
hlipka 6:7ba288afed38 32 using namespace mbed;
hlipka 6:7ba288afed38 33
hlipka 6:7ba288afed38 34 /**
hlipka 6:7ba288afed38 35 * class for connecting graphical SED1335-based LCD-Display (or using similiar controllers)
hlipka 6:7ba288afed38 36 * displays are connected in 8bit-mode, and are using the internal 8x8 font
hlipka 6:7ba288afed38 37 */
hlipka 6:7ba288afed38 38 class SED1335TextLCD: public TextLCDBase
hlipka 6:7ba288afed38 39 {
hlipka 6:7ba288afed38 40 public:
hlipka 6:7ba288afed38 41 /**
hlipka 6:7ba288afed38 42 * @param columns number of chars per line (using an 8x8 font)
hlipka 6:7ba288afed38 43 * @param rows number of lines (using an 8x8 font)
hlipka 6:7ba288afed38 44 * @param data the bus object used for sending data (must be 8bit)
hlipka 6:7ba288afed38 45 * @param enable the pin name for the enable line (1=active)
hlipka 6:7ba288afed38 46 * @param rs the pin name for the register select line (0=cmd, 1=data)
hlipka 6:7ba288afed38 47 * @param leftCS the pin name for the left display half (1=active)
hlipka 6:7ba288afed38 48 * @param rightCS the pin name for the right display half (1=active, use NC for smaller displays)
hlipka 6:7ba288afed38 49 */
hlipka 6:7ba288afed38 50 SED1335TextLCD(const unsigned int columns, const unsigned int rows, BusOut *data, const PinName read, const PinName write, const PinName cs, const PinName a0, const PinName reset);
hlipka 6:7ba288afed38 51 virtual void init();
hlipka 6:7ba288afed38 52 virtual void writeText(const unsigned int column, const unsigned int row, const char text[]);
hlipka 6:7ba288afed38 53 virtual void clear();
hlipka 6:7ba288afed38 54 virtual void character(int column, int row, int c);
hlipka 6:7ba288afed38 55
hlipka 6:7ba288afed38 56 protected:
hlipka 8:ba176eea3e40 57 void initInternal();
hlipka 6:7ba288afed38 58 void sendCmd(const unsigned char byte);
hlipka 6:7ba288afed38 59 void sendData(const unsigned char byte);
hlipka 6:7ba288afed38 60
hlipka 6:7ba288afed38 61 void sendByte(const unsigned char byte);
hlipka 6:7ba288afed38 62
hlipka 7:b472970bd8f6 63 void clearBank(int start, int size, int data);
hlipka 7:b472970bd8f6 64
hlipka 6:7ba288afed38 65 BusOut* _data;
hlipka 6:7ba288afed38 66 DigitalOut *_rd, *_wr, *_cs, *_a0, *_reset;
hlipka 6:7ba288afed38 67 };
hlipka 6:7ba288afed38 68 #endif