lcd.h

gehe zur Dokumentation dieser Datei

/*------------------------------------------------------------------------------
 *
 * Copyright (c) 2006 Rizqi Ahmad (raid_ox)
 *
 * This software is a 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 2 of the License, or (at your option)
 * any later version. You should have received a copy of the GNU
 * General Public License along with asurolib; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301  USA
 *
 * 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 LCD_H
#define LCD_H

#include "asuro.h"

/*------ DEFINITIONS & MACROS -------------------------------*/



// !SEE DATASHEET
// EXAMPLE:
// #define LCD_INIT {(LCD_4BIT | LCD_1LINE | LCD_5x7), COMMAND2, COMMAND3}

#define LCD_INIT        {(LCD_4BIT | LCD_2LINE | LCD_5X7), 0}
//#define LCD_INIT {0x29, 0x1C, 0x52, 0x69, 0x74, 0}             // DOGM162 Init, See Datasheet

#define LCD_DEV         0x40                    // LCD Device Address
#define LCD_LINES       2                                 // Total LCD Lines
#define LCD_CHARS       8                                 // Maximal LCD characters each line

#define LCD_LINE1       0x00                    // This should be 0x00 on all displays
#define LCD_LINE2       0x40                    // Change this to the address for line 2 on your display
#define LCD_LINE3       0x10                    // Change this to the address for line 3 on your display
#define LCD_LINE4       0x50                    // Change this to the address for line 4 on your display


#define LD4                     0                               // Pin to Data Bus 4
#define LD5                     1                               // Pin to Data Bus 5
#define LD6                     2                               // Pin to Data Bus 6
#define LD7                     3                               // Pin to Data Bus 7

#define LRS                     4                               // Pin to RS Pin (Register Select)
#define LRW                     5                               // Pin to Read/Write Pin
#define LEN                     7                               // Pin to Enable Pin
#define LBL                     6                               // Backlight Pin



#define LCD_D0          (1 << LD4)
#define LCD_D1          (1 << LD5)
#define LCD_D2          (1 << LD6)
#define LCD_D3          (1 << LD7)

#define LCD_D4          (1 << LD4)
#define LCD_D5          (1 << LD5)
#define LCD_D6          (1 << LD6)
#define LCD_D7          (1 << LD7)

#define LCD_RS          (1 << LRS)
#define LCD_RW          (1 << LRW)
#define LCD_EN          (1 << LEN)
#define LCD_BL          (1 << LBL)


#ifndef CENTER
#define CENTER                  2
#endif


#define LCD_CLEAR                       0x01                                                        // Clear Screen
#define LCD_HOME                              0x02                                                          // Cursor Home

#define LCD_ENTRYMODE               0x04                                                            // Set entrymode
#define LCD_INCREASE                (LCD_ENTRYMODE | 0x02)                // Set cursor move direction -- Increase
#define LCD_DECREASE                (LCD_ENTRYMODE | 0x00)                // Set cursor move direction -- Decrease
#define LCD_DISPLAYSHIFTON      (LCD_ENTRYMODE | 0x01)            // Display is shifted
#define LCD_DISPLAYSHIFTOFF     (LCD_ENTRYMODE | 0x00)            // Display is not shifted

#define LCD_DISPLAYMODE     0x08                                                            // Set displaymode
#define LCD_DISPLAYON               (LCD_DISPLAYMODE | 0x04)      // Display on
#define LCD_DISPLAYOFF      (LCD_DISPLAYMODE | 0x00)      // Display off
#define LCD_CURSORON                (LCD_DISPLAYMODE | 0x02)      // Cursor on
#define LCD_CURSOROFF               (LCD_DISPLAYMODE | 0x00)      // Cursor off
#define LCD_BLINKINGON      (LCD_DISPLAYMODE | 0x01)      // Blinking on
#define LCD_BLINKINGOFF     (LCD_DISPLAYMODE | 0x00)      // Blinking off

#define LCD_SHIFTMODE               0x10                                                            // Set shiftmode
#define LCD_DISPLAYSHIFT          (LCD_SHIFTMODE | 0x08)                  // Display shift
#define LCD_CURSORMOVE      (LCD_SHIFTMODE | 0x00)                // Cursor move
#define LCD_RIGHT                             (LCD_SHIFTMODE | 0x04)              // Right shift
#define LCD_LEFT                              (LCD_SHIFTMODE | 0x00)              // Left shift

#define LCD_CONFIGURATION         0x20                                                    // Set function
#define LCD_8BIT                              (LCD_CONFIGURATION | 0x10)  // 8 bits interface
#define LCD_4BIT                              (LCD_CONFIGURATION | 0x00)        // 4 bits interface
#define LCD_2LINE                             (LCD_CONFIGURATION | 0x08)        // 2 line display
#define LCD_1LINE                             (LCD_CONFIGURATION | 0x00)        // 1 line display
#define LCD_5X10                              (LCD_CONFIGURATION | 0x04)        // 5 X 10 dots
#define LCD_5X7                               (LCD_CONFIGURATION | 0x00)        // 5 X 7 dots

#define LCD_CGRAM                             0x40                                                          // DD RAM Address Set
#define LCD_DDRAM                             0x80                                                          // DD RAM Address Set


/*------- GLOBAL VARIABLES -----------------*/

unsigned char portLCD; // LCD PORT REGISTER
unsigned char lineLCD;
unsigned char cursorLCD;

/*------ HEADERS & DESCRIPTIONS ------------*/
void InitLCD(void);


void BacklightLCD(unsigned char state);

void SetIOLCD(unsigned char setCommand, unsigned char bits);

unsigned char GetIOLCD(void);

void SetCursorLCD(unsigned char cursor, unsigned char line);

void ClearLCD(void);

void SetDataLCD(unsigned char data);

void CommandLCD(unsigned char command);

void WriteLCD(unsigned char data);

void PrintLCD(char *string, unsigned char wrap);

void PrintSetLCD(unsigned char cursor, unsigned char line, char *string);

void PrintIntLCD(int value);

void PrintAlignLCD(unsigned char line, unsigned char alignment, char *string);

/*----------- FUNCTIONS -------------------*/

#endif /* LCD_H */

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