#define _XTAL_FREQ 8000000
#include <xc.h>
// PIC18F45K80 Configuration Bit Settings
// 'C' source line config statements
// CONFIG1L
#pragma config RETEN = OFF // VREG Sleep Enable bit (Ultra low-power regulator is Disabled (Controlled by REGSLP bit))
#pragma config INTOSCSEL = HIGH // LF-INTOSC Low-power Enable bit (LF-INTOSC in High-power mode during Sleep)
#pragma config SOSCSEL = HIGH // SOSC Power Selection and mode Configuration bits (High Power SOSC circuit selected)
#pragma config XINST = OFF // Extended Instruction Set (Enabled)
// CONFIG1H
#pragma config FOSC = INTIO2 // Oscillator (Internal RC oscillator)
#pragma config PLLCFG = OFF // PLL x4 Enable bit (Disabled)
#pragma config FCMEN = OFF // Fail-Safe Clock Monitor (Disabled)
#pragma config IESO = OFF // Internal External Oscillator Switch Over Mode (Disabled)
// CONFIG2L
#pragma config PWRTEN = OFF // Power Up Timer (Disabled)
#pragma config BOREN = SBORDIS // Brown Out Detect (Enabled in hardware, SBOREN disabled)
#pragma config BORV = 3 // Brown-out Reset Voltage bits (1.8V)
#pragma config BORPWR = ZPBORMV // BORMV Power level (ZPBORMV instead of BORMV is selected)
// CONFIG2H
#pragma config WDTEN = OFF // Watchdog Timer (WDT disabled in hardware; SWDTEN bit disabled)
#pragma config WDTPS = 1048576 // Watchdog Postscaler (1:1048576)
// CONFIG3H
#pragma config CANMX = PORTB // ECAN Mux bit (ECAN TX and RX pins are located on RB2 and RB3, respectively)
#pragma config MSSPMSK = MSK7 // MSSP address masking (7 Bit address masking mode)
#pragma config MCLRE = ON // Master Clear Enable (MCLR Enabled, RE3 Disabled)
// CONFIG4L
#pragma config STVREN = ON // Stack Overflow Reset (Enabled)
#pragma config BBSIZ = BB2K // Boot Block Size (2K word Boot Block size)
// CONFIG5L
#pragma config CP0 = OFF // Code Protect 00800-01FFF (Disabled)
#pragma config CP1 = OFF // Code Protect 02000-03FFF (Disabled)
#pragma config CP2 = OFF // Code Protect 04000-05FFF (Disabled)
#pragma config CP3 = OFF // Code Protect 06000-07FFF (Disabled)
// CONFIG5H
#pragma config CPB = OFF // Code Protect Boot (Disabled)
#pragma config CPD = OFF // Data EE Read Protect (Disabled)
// CONFIG6L
#pragma config WRT0 = OFF // Table Write Protect 00800-01FFF (Disabled)
#pragma config WRT1 = OFF // Table Write Protect 02000-03FFF (Disabled)
#pragma config WRT2 = OFF // Table Write Protect 04000-05FFF (Disabled)
#pragma config WRT3 = OFF // Table Write Protect 06000-07FFF (Disabled)
// CONFIG6H
#pragma config WRTC = OFF // Config. Write Protect (Disabled)
#pragma config WRTB = OFF // Table Write Protect Boot (Disabled)
#pragma config WRTD = OFF // Data EE Write Protect (Disabled)
// CONFIG7L
#pragma config EBTR0 = OFF // Table Read Protect 00800-01FFF (Disabled)
#pragma config EBTR1 = OFF // Table Read Protect 02000-03FFF (Disabled)
#pragma config EBTR2 = OFF // Table Read Protect 04000-05FFF (Disabled)
#pragma config EBTR3 = OFF // Table Read Protect 06000-07FFF (Disabled)
// CONFIG7H
#pragma config EBTRB = OFF // Table Read Protect Boot (Disabled)
#define RS LATCbits.LATC4
#define RW LATCbits.LATC5
#define EN LATCbits.LATC6
#define LCD_Port LATD
void Port_Initialized (void)
{
LATA = LATB = LATC = LATD = LATE = 0;
TRISA = 0b0000000;// all are output, Unused
TRISB = 0b0000000;// all are output, Unused
TRISC = 0b0000000;// RS RW EN
TRISD = 0b0000000;// LCD
TRISE = 0b0000000;// All are output, Unused
ANCON0 = 0; // digital port
ANCON1 = 0; // digital port
CM1CON = 0; // Comparator off
CM2CON = 0; // Comparator off
ADCON0 = 0; // A/D conversion Disabled
}
void LCD_E_Pulse(void)
{
EN = 1;
__delay_us(4);
EN = 0;
__delay_us(4);
}
void LCD_WriteCmd(unsigned char data)
{
RS = 0; RW = 0;
LCD_Port = data & 0xF0 ; // send upper nibble
LCD_E_Pulse();
LCD_Port = (data << 4 );
LCD_E_Pulse();
}
void LCD_Init(void)
{
__delay_ms(40);
LCD_WriteCmd(0x30); //Function set 00110000
__delay_ms(5);
LCD_WriteCmd(0x30); //Function set 00110000
__delay_us(100);
LCD_WriteCmd(0x30); ////Function set 00110000
LCD_WriteCmd(0x20); // 4 bit 00100000
LCD_WriteCmd(0x0C); // Display ON
LCD_WriteCmd(0x2C); // 4 bit, 1-line display 5 × 8 dot character font 00101100
LCD_WriteCmd(0x08); // clear display 00001000
}
void LCD_WriteData(unsigned char data)
{
RS = 1; // select Data register
RW = 0 ; // write mode
LCD_Port = data & 0xF0 ; // send upper nibble
LCD_E_Pulse();
LCD_Port = (data << 4 ); // send lower nibble
LCD_E_Pulse();
}
void buffer( unsigned char *p)
{
while (*p != '\0')
{
LCD_WriteData(*p);
p++;
}
}
void main ()
{
unsigned int i = 0;
unsigned char Data1 []={"EDA Board"};
Port_Initialized();
LCD_Init();
buffer(Data1);
while (1)
{
}
}