[ADD] files to include

Microcontrollers/Eindopdracht/lcd_control.c

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+/*
+ * lcd_controlc.c
+ *
+ * Created: 24-2-2021 11:55:12
+ *  Author: Sem
+ */ 
+#define F_CPU 10e6
+#include <avr/io.h>
+#include <util/delay.h>
+#include <avr/interrupt.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "lcd_control.h"
+
+void _delay_ms(double __ms);
+
+void lcd_clear() {
+	lcd_write_command (0x01);						//Leeg display
+	_delay_ms(2);
+	lcd_write_command (0x80);						//Cursor terug naar start
+}
+
+void lcd_strobe_lcd_e(void) {
+	
+	sbi_porta(LCD_E);	// E high
+	_delay_ms(1);
+	cbi_porta(LCD_E);  	// E low
+	_delay_ms(1);
+	
+}
+
+void sbi_portc(int index){
+	PORTC |= (1<<index);
+}
+
+
+void cbi_portc(int index){
+	PORTC &= ~(1<<index);
+}
+
+void sbi_porta(int index){
+	PORTA |= (1<<index);
+}
+
+
+void cbi_porta(int index){
+	PORTA &= ~(1<<index);
+}
+
+void init_4bits_mode(void) {
+	
+	// PORTC output mode and all low (also E and RS pin)
+	
+	// Init I/O
+	DDRC = 0xFF;			// PORTD(7) output, PORTD(6:0) input
+	PORTC = 0xFF;
+	
+	DDRA = 0xFF;
+	PORTC = 0x00;
+	PORTA = 0x00;
+	
+	PORTC = 0x20;	// function for 4-bit 1 row
+	lcd_strobe_lcd_e();
+
+	PORTC = 0x20;   // function high nibble 4-bit 2 row
+	lcd_strobe_lcd_e();
+	PORTC = 0x80;	// function low nibble 4-bit 2 row
+	lcd_strobe_lcd_e();
+
+	PORTC = 0x00;   // function high nibble turn on visible blinking-block cursor
+	lcd_strobe_lcd_e();
+	PORTC = 0xF0;   // function low nibble turn on visible blinking-block cursor
+	lcd_strobe_lcd_e();
+
+	PORTC = 0x00;   // Entry mode set high nibble
+	lcd_strobe_lcd_e();
+	PORTC = 0x60;	// Entry mode set low nibble
+	lcd_strobe_lcd_e();
+	
+	// return home
+	lcd_write_command(0x02);
+	lcd_strobe_lcd_e();
+}
+
+void lcd_write_character(unsigned char byte){
+	
+	
+	//upper nibble
+	PORTC = byte;
+	sbi_porta(LCD_RS);
+	lcd_strobe_lcd_e();
+	
+	//lower nibble
+	PORTC = (byte<<4);
+	sbi_porta(LCD_RS);
+	lcd_strobe_lcd_e();
+	
+}
+
+void lcd_write_command(unsigned char byte){
+	
+	//upper nibble
+	PORTC = byte;
+	cbi_porta(LCD_RS);
+	lcd_strobe_lcd_e();
+	
+	//lower nibble
+	PORTC = (byte<<4);
+	cbi_porta(LCD_RS);
+	lcd_strobe_lcd_e();
+
+}
+
+void lcd_write_string(const char *str) {
+	
+	for(;*str; str++){
+		lcd_write_character(*str);
+	}
+}
+
+void lcd_move_right(void){
+	
+	lcd_write_command(0x1E);
+}
+
+void lcd_write_int(int number)
+{
+	int length = snprintf(NULL, 0, "%d", number);
+	char str[length + 1];
+	snprintf(str, length + 1, "%d", number);
+	lcd_write_string(str);
+}