lcd._h

来自「ICCAVR Rainguage counter program」· _H 代码 · 共 49 行

//LCD.H

// Data: PORTA 
// Control: PORTC 
// RS = PORTC, bit 0, 0x01 
// RW = PORTC, bit 1, 0x02 
// E = PORTC, bit 2, 0x04 


#include "config.h"


//Select PORT as Control port
#define CtrlPort PORTC

//Control port DDR
#define CtrlDDR DDRC

//Select PORT as Data port
#define DataPort PORTA
//Data port DDR
#define DataDDR DDRA

// Define LCD Register Select as PORTC, 0x01; 
#define LCD_RS 0 
// Define LCD Read/Write as PORTC, 0x02;  
#define LCD_RW 1 
// Define LCD Enable as PORTC, 0x04;  
#define LCD_E 2    

// TURN ON POWER TO THE DISPLAY, NO CURSOR, NO BLINK
#define   PWR_CMD   0x0C 
// SET TWO LINE, 8 DATA BIT MODE       
#define   DL_CMD   0x38 
// CLEAR DISPLAY COMMAND       
#define CLR_DSP 0x01 

//Define the address of line
#define LINE1 0x80 
#define LINE2 0xC0 

//#define NULL 0x00 

void LCD_Delay (unsigned long int d); 
void LCD_IO_INIT (void); 
void LCD_INIT (void); 
void LCD_PutCmd (char); 
void LCD_PutChar (char); 
void LCD_PutString (char *);