Setup da Placa LCD Gian - Leite
Fork of TextLCD by
TextLCD.h
- Committer:
- wim
- Date:
- 2013-02-05
- Revision:
- 11:9ec02df863a1
- Parent:
- 10:dd9b3a696acd
- Child:
- 12:6bf9d9957d31
File content as of revision 11:9ec02df863a1:
/* mbed TextLCD Library, for a 4-bit LCD based on HD44780 * Copyright (c) 2007-2010, sford, http://mbed.org * 2013, WH, Updated LCD types and fixed lcd address issues * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef MBED_TEXTLCD_H #define MBED_TEXTLCD_H #include "mbed.h" /** A TextLCD interface for driving 4-bit HD44780-based LCDs * * Currently supports 8x1, 8x2, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4 and 40x2 panels * * @code * #include "mbed.h" * #include "TextLCD.h" * * TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7 * * int main() { * lcd.printf("Hello World!\n"); * } * @endcode */ /** User Defined Chars 5x7 dots */ const char udc_ae[] = {0x00, 0x00, 0x1B, 0x05, 0x1F, 0x14, 0x1F, 0x00}; //æ const char udc_0e[] = {0x00, 0x00, 0x0E, 0x13, 0x15, 0x19, 0x0E, 0x00}; //ø const char udc_ao[] = {0x0E, 0x0A, 0x0E, 0x01, 0x0F, 0x11, 0x0F, 0x00}; //å const char udc_AE[] = {0x0F, 0x14, 0x14, 0x1F, 0x14, 0x14, 0x17, 0x00}; //Æ const char udc_0E[] = {0x0E, 0x13, 0x15, 0x15, 0x15, 0x19, 0x0E, 0x00}; //Ø const char udc_AA[] = {0x0E, 0x0A, 0x0E, 0x11, 0x1F, 0x11, 0x11, 0x00}; //Å const char udc_0[] = {0x18, 0x14, 0x12, 0x11, 0x12, 0x14, 0x18, 0x00}; // |> const char udc_1[] = {0x03, 0x05, 0x09, 0x11, 0x09, 0x05, 0x03, 0x00}; // <| const char udc_2[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // | const char udc_3[] = {0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00}; // || const char udc_4[] = {0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x00}; // ||| const char udc_5[] = {0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x00}; // = const char udc_6[] = {0x15, 0x0a, 0x15, 0x0a, 0x15, 0x0a, 0x15, 0x00}; // checkerboard const char udc_7[] = {0x10, 0x08, 0x04, 0x02, 0x01, 0x00, 0x10, 0x00}; // \ /** A TextLCD interface for driving 4-bit HD44780-based LCDs * * Currently supports 8x1, 8x2, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4 and 40x2 panels * */ class TextLCD : public Stream { public: /** LCD panel format */ enum LCDType { LCD8x1, /**< 8x1 LCD panel */ LCD8x2, /**< 8x2 LCD panel */ LCD16x2, /**< 16x2 LCD panel (default) */ LCD16x2B, /**< 16x2 LCD panel alternate addressing */ LCD16x4, /**< 16x4 LCD panel */ LCD20x2, /**< 20x2 LCD panel */ LCD20x4, /**< 20x4 LCD panel */ LCD24x2, /**< 24x2 LCD panel */ LCD24x4, /**< 24x4 LCD panel, special mode KS0078 */ LCD40x2 /**< 40x2 LCD panel */ }; /** LCD Cursor control */ enum LCDCursor { CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn, }; /** Create a TextLCD interface * * @param rs Instruction/data control line * @param e Enable line (clock) * @param d4-d7 Data lines for using as a 4-bit interface * @param type Sets the panel size/addressing mode (default = LCD16x2) */ TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2); #if DOXYGEN_ONLY /** Write a character to the LCD * * @param c The character to write to the display */ int putc(int c); /** Write a formated string to the LCD * * @param format A printf-style format string, followed by the * variables to use in formating the string. */ int printf(const char* format, ...); #endif /** Locate to a screen column and row * * @param column The horizontal position from the left, indexed from 0 * @param row The vertical position from the top, indexed from 0 */ void locate(int column, int row); /** Return the memoryaddress of screen column and row location * * @param column The horizontal position from the left, indexed from 0 * @param row The vertical position from the top, indexed from 0 * @param return The memoryaddress of screen column and row location */ int getAddress(int column, int row); /** Set the memoryaddress of screen column and row location * * @param column The horizontal position from the left, indexed from 0 * @param row The vertical position from the top, indexed from 0 */ void setAddress(int column, int row); /** Clear the screen and locate to 0,0 */ void cls(); /** Return the number of rows * * @param return The number of rows */ int rows(); /** Return the number of columns * * @param return The number of columns */ int columns(); /** Set the Cursormode * * @param show The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) */ void cursor(LCDCursor show); /** Set User Defined Characters * * @param unsigned char c The Index of the UDC (0..7) * @param char *udc_char The bitpatterns for the UDC (8 bytes of 5 significant bits) */ void setUDC(unsigned char c, char *udc_data); protected: // Stream implementation functions virtual int _putc(int value); virtual int _getc(); int address(int column, int row); void character(int column, int row, int c); void writeByte(int value); void writeCommand(int command); void writeData(int data); DigitalOut _rs, _e; BusOut _d; LCDType _type; int _column; int _row; LCDCursor _cursor; }; #endif