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kaklik |
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/* ---------------------------------------------------------------------------
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* AVR_MLIB - HD 44780 LCD Display Driver Test Application
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* www.mlab.cz miho 2008
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* ---------------------------------------------------------------------------
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* Simple test application for lcd_hd44780.h LCD library. This code ilustates
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* how to use and configure the library functions.
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* ---------------------------------------------------------------------------
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* 00.00 2008/03/28 First Version
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* 00.01 2008/04/19 Improved
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* ---------------------------------------------------------------------------
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*/
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// Required Libraries
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// ------------------
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// Delay
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#define F_CPU 1000000UL // CPU Frequency
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#include <util/delay.h> // Delay Routines
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// Standard Output Library
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#include <stdio.h> // For printf
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// LCD Display Interface
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// ---------------------
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// LCD Port Settings
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#define LCD_DATA B // 4 or 8 bits field (lsb port)
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#define LCD_DATA_BIT 0
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#define LCD_RS D // Register Select
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#define LCD_RS_BIT 4
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#define LCD_E D // Enable
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#define LCD_E_BIT 3
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// LCD Display Parameters
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#define LCD_INTERFACE_BITS 4 // 4 or 8 bit interface
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#define LCD_LINES 2 // 1 or 2 or 4 lines
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#define LCD_CHARS 16 // usualy 16 or 20, important for 4 line display only
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// LCD Library
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#include "lcd_hd44780.h"
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// Test Application
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// ----------------
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// Define Output Stream to LCD
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static FILE lcd_stream = FDEV_SETUP_STREAM(lcd_putc_stream, NULL, _FDEV_SETUP_WRITE);
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// Main Program
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int main ()
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{
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int i;
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DDRB|= (1<<DDB6);
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DDRB|= (1<<DDB7);
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PORTB &= ~(1<<PB6);
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stdout = &lcd_stream; // Connect stdout to LCD Stream
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lcd_init(); // Init LCD (interface and display module)
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lcd_gotoxy(1,1);
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printf("stavebnice MLAB");
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_delay_ms(1000);
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while(1)
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{
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lcd_gotoxy(2,2);
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printf("demo aplikace");
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_delay_ms(1000);
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lcd_gotoxy(2,2);
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printf(" ");
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PORTB|= (1<<PB6);
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_delay_ms(500);
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PORTB &= ~(1<<PB6);
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_delay_ms(5000);
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PORTB|= (1<<PB7);
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_delay_ms(500);
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PORTB &= ~(1<<PB7);
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_delay_ms(5000);
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}
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}
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