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++++
+
+title = "AVR - LCD panel - lcd.c"
+perex_e = "
+
+KompatibilnĂ­ zapojenĂ­: LCD panel s ATmega8
+
+Ke staĹľenĂ­: lcd.c == lcd.pdf == lcd.htm
+.
+.
+"
+tags = ["Článek"]
++++
+
+
+
+KompatibilnĂ­ zapojenĂ­: LCD panel s ATmega8
+
+Ke staĹľenĂ­: lcd.c == lcd.pdf == lcd.htm
+.
+.
+
+* * *
+
+<title>Untitled</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="generator" content="SynEdit HTML exporter"> <style type="text/css">&amp;amp;amp;amp;amp;lt;!-- body { color: #000000; background-color: #FFFFFF; } .cpp1-assembler { } .cpp1-brackets { } .cpp1-comment { color: #008000; font-style: italic; } .cpp1-float { color: #000080; } .cpp1-hexadecimal { color: #000080; } .cpp1-character { } .cpp1-identifier { } .cpp1-illegalchar { } .cpp1-number { color: #000080; } .cpp1-octal { color: #0000FF; } .cpp1-preprocessor { } .cpp1-reservedword { font-weight: bold; } .cpp1-space { color: #008080; } .cpp1-string { color: #800000; } .cpp1-symbol { } --&amp;amp;amp;amp;amp;gt;</style> 
+
+```
+/*---------------------------------------------------------------------------
+
+soubor: lcd.c
+verze:  1.0
+datum:  13.1.2012
+popis:
+
+Obsluzne rutiny pro displej 2x16 znaku s radicem HD44780
+
+-Komunikace je ctyrbitova (pouzivaji se pouze piny displeje D4 - D7)
+-Displej je v rezimu "pouze zapis" (signal "R/W" displeje je uzemen)
+-Displej je pripojen k mikrokontroleru pouze signaly: RS, EN a D4 az D7.
+
+Tento soubor vynikl upravou souboru "mojelib.h" jehoz autora bohuzel neznam.
+
+---------------------------------------------------------------------------*/
+
+#include <avr/pgmspace.h>  // pgm_read_byte()
+
+#ifndef	setb	//setb = makro ze souboru "wait.c"
+#include "wait.c"
+#endif
+
+//Defaultni definice pinu, ke kterym je displej pripojen
+#ifndef PORT_RS
+#define PORT_RS 	PORTD
+#define DDR_RS 		DDRD
+#endif
+#ifndef PORT_EN
+#define PORT_EN 	PORTD
+#define DDR_EN 		DDRD
+#endif
+#ifndef PORT_D4
+#define PORT_D4 	PORTD
+#define PORT_D5 	PORTD
+#define PORT_D6 	PORTD
+#define PORT_D7 	PORTD
+#define DDR_D4 		DDRD
+#define DDR_D5 		DDRD
+#define DDR_D6 		DDRD
+#define DDR_D7 		DDRD
+#endif
+#ifndef   RS
+#define		RS 		2
+#endif
+#ifndef   EN
+#define 	EN 		3
+#endif
+#ifndef   D4
+#define 	D4 		4
+#define 	D5 		5
+#define 	D6 		6
+#define 	D7 		7
+#endif
+
+// Funkce pro displej:
+void lcd_ini  (void);                   //inicializace
+void lcd_instr(unsigned char ins);      //napis instrukci
+void lcd_char (unsigned char dat);      //napis znak
+void lcd_num3  (unsigned int num,unsigned char znak); //napis cislo (3 cifry)
+void lcd_num2  (unsigned char num,unsigned char znak);//napis cislo (2 cifry)
+```
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