//LCD 2x16 Driver func

#include "stm32f3_discovery.h"

//Interno IME			PORT		PIN						Discovery
#define LCD_D7		GPIOB,	GPIO_Pin_15 	//PB15
#define LCD_D6		GPIOB,	GPIO_Pin_13 	//PB13
#define LCD_D5		GPIOB,	GPIO_Pin_11		//PB11
#define LCD_D4		GPIOE,	GPIO_Pin_15		//PE15
#define LCD_E			GPIOE,	GPIO_Pin_13		//PE13
#define LCD_RW		GPIOE,	GPIO_Pin_11		//PE11
#define LCD_RS		GPIOE,	GPIO_Pin_9		//PE9

//navesti ovde zavisno koji se portovi iskoriste za konekciju 
#define LCD_PORT_USE_A 0
#define LCD_PORT_USE_B 1
#define LCD_PORT_USE_C 0
#define LCD_PORT_USE_D 0
#define LCD_PORT_USE_E 1
#define LCD_PORT_USE_F 0
#define LCD_PORT_USE_G 0
#define LCD_PORT_USE_H 0

//baza za delay funkciju od 1us
//56 je osnovna vrednost (bez ostalih interapt rutina)
#define LCD_DELAY_BASE 56 

//definicija da li se koristi provera busy linije (D0) ili raditi sa delay funkcijama
#define LCD_USES_BUSY_FLAG 0

//shirina DRAM-a (jedne linije) od LCD
#define LCD_DRAM_WIDTH 40

#define IO_Write(pin, value)  GPIO_WriteBit(pin, value)
#define IO_Read(pin)          GPIO_ReadInputDataBit(pin)

void LCD_Init_pins (void);
void LCD_Display_init (void);
void LCD_wait_busy_flag (void);
void LCD_send_nibble( unsigned char n );
void LCD_send_byte( unsigned char address, unsigned char n );
void LCD_send_string (volatile char *s);
void LCD_goto_home (void);
void LCD_clear_all (void);
void LCD_cursor_control (int cursor_on_off, int blinking_on_off);
void LCD_cursor_left(int no);
void LCD_cursor_right(int no);
void LCD_goto_home_line1 (void);
void LCD_goto_home_line2 (void);

void lcd_gotoxy(unsigned char x, unsigned char y);