rewrite with minimal hd444780/modbus example

2021-05-20 20:56:22 +02:00
parent fce2b8b26b
commit 76ced85569
6 changed files with 357 additions and 120 deletions
--- a/lcd.h
+++ b/lcd.h
@@ -0,0 +1,46 @@
+/*
+ * lcd.h
+ *
+ * Created: 20.01.2018 12:51:11
+ *  Author: Ulrich
+ */ 
+
+#ifndef __LCD_H__
+	#define __LCD_H__
+
+	#include <inttypes.h>
+	#include <avr/io.h>
+	#include <avr/pgmspace.h>
+	#include <stdlib.h>
+	#include <stdarg.h>
+	#include <ctype.h>
+	#include <string.h>
+	#include <util/delay.h>
+	#include "i2c.h"
+
+	#define LCD_I2C_ADDR	0x4E
+
+	//Port Belegung am PCF8574 (1<<PORT)
+	#define LCD_RS			(1<<0)
+	#define LCD_RW			(1<<1)
+	#define LCD_E			(1<<2)
+	#define LCD_BACKLIGHT	(1<<3)
+
+	#define LCD_D4			(1<<4)
+	#define LCD_D5			(1<<5)
+	#define LCD_D6			(1<<6)
+	#define LCD_D7			(1<<7)
+
+	#define LCD_WIDTH 16
+	#define LCD_ADDR_LINE1	(0x80)
+	#define LCD_ADDR_LINE2	(0xC0)
+
+	void lcd_init(void);
+	void lcd_clear(void);
+	void lcd_home(void);
+	void lcd_print_str (char *str);
+	void lcd_write_P (const char *Buffer,...);
+
+	#define lcd_write(format, args...)   lcd_write_P(PSTR(format) , ## args)
+
+#endif