lcd.rar_AVR Studio_Giving_atmega16 AVR Studio

#include<avr/io.h> #include<util/delay.h> #define rs 0x01; #define rw 0x02; #define en 0x04; unsigned char name1[4]={'0','0','0','0'}; unsigned char EEPROM_read(unsigned int uiAddress); void lcd_cmd(unsigned char cmd); void lcd_data(unsigned char data); void initialize(); void EEPROM_write(unsigned int uiAddress, unsigned char ucData); void lcd_cmd(unsigned char cmd) { PORTC=0x00; PORTD=cmd; PORTC|=en; _delay_ms(20); PORTC^=en; } void lcd_data(unsigned char data) { PORTC=0x00; PORTC|=rs; PORTD=data; PORTC|=en; _delay_ms(50); PORTC^=en; } void initialize() { lcd_cmd(0x38); lcd_cmd(0x0f); } void EEPROM_write(unsigned int uiAddress, unsigned char ucData) { //Wait for completion of previous write while(EECR & (1<<EEWE)); // Set up address and data registers EEAR = uiAddress; EEDR = ucData; // Write logical one to EEMWE EECR |= (1<<EEMWE); // Start eeprom write by setting EEWE EECR |= (1<<EEWE); } unsigned char EEPROM_read(unsigned int uiAddress) { // Wait for completion of previous write while(EECR & (1<<EEWE)); // Set up address register EEAR = uiAddress; // Start eeprom read by writing EERE EECR |= (1<<EERE); // Return data from data register return EEDR; } int main() { DDRC=0x07; DDRD=0xff; DDRA=0xf8; initialize(); lcd_cmd(0x80); unsigned char ucData[]="Enter password"; for( int k=0; k<sizeof(ucData); k++) { lcd_data(ucData[k]); } lcd_cmd(0xc2); unsigned int uiAddress=0060; while(1) { PORTA = 0xf7; if(PINA==0xf6)//1 { while(PINA==0xf6) {} EEPROM_write(uiAddress,'1'); uiAddress++; lcd_data('*'); } else if(PINA==0xf5)//2 { while(PINA==0xf5) {} EEPROM_write(uiAddress,'2'); uiAddress++; lcd_data('*'); } else if(PINA==0xf3)//3 { while(PINA==0xf3) {} EEPROM_write(uiAddress,'3'); uiAddress++; lcd_data('*'); } PORTA = 0xef; if(PINA==0xee)//4 { while(PINA==0xee) {} EEPROM_write(uiAddress,'4'); uiAddress++; lcd_data('*'); } else if(PINA==0xed)//5 { while(PINA==0xed) {} EEPROM_write(uiAddress,'5'); uiAddress++; lcd_data('*'); } else if(PINA==0xeb)//6 { while(PINA==0xeb) {} EEPROM_write(uiAddress,'6'); uiAddress++; lcd_data('*'); } PORTA = 0xdf; if(PINA==0xde)//7 { while(PINA==0xde) {} EEPROM_write(uiAddress,'7'); uiAddress++; lcd_data('*'); } else if(PINA==0xdd)//8 { while(PINA==0xdd) {} EEPROM_write(uiAddress,'8'); uiAddress++; lcd_data('*'); } else if(PINA==0xdb)//9 { while(PINA==0xdb) {} EEPROM_write(uiAddress,'9'); uiAddress++; lcd_data('*'); } PORTA = 0xbf; if(PINA==0xbd)//0 { while(PINA==0xbd) {} EEPROM_write(uiAddress,'0'); uiAddress++; lcd_data('*'); } else if(PINA==0xbb)//# { while(PINA==0xbb) { } uiAddress=0060; for(int i=0; i<4; i++) { name1[i]=EEPROM_read(uiAddress); uiAddress++; } lcd_cmd(0x80); if(name1[0]=='1'&& name1[1]=='2' && name1[2]=='3' && name1[3]=='4') { unsigned char correct[]="Correct password"; for(int p=0; p<sizeof(correct);p++) lcd_data(correct[p]); break; } else { unsigned char wrong[]="wrong password"; for(int p=0; p<sizeof(wrong);p++) lcd_data(wrong[p]); break; } } else if(PINA==0xbe)//* { while(PINA==0xbe) { } uiAddress=0060; initialize(); lcd_cmd(0x80); for(int i=0; i<4; i++) { name1[i]=EEPROM_read(uiAddress); uiAddress++; } for(int p=0; p<sizeof(name1);p++) lcd_data(name1[p]); } } return(1); }