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Password Lock Door12

The document defines pins for an LCD display and initializes a keypad. It gets a password from the keypad by calling a get_number function, which displays the numbers on the LCD and returns a character array. It checks the password and runs a motor if the password is correct.

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Montaha Alduais
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17 views4 pages

Password Lock Door12

The document defines pins for an LCD display and initializes a keypad. It gets a password from the keypad by calling a get_number function, which displays the numbers on the LCD and returns a character array. It checks the password and runs a motor if the password is correct.

Uploaded by

Montaha Alduais
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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sbit LCD_RS at RD2_bit;

sbit LCD_EN at RD3_bit;

sbit LCD_D4 at RD4_bit;

sbit LCD_D5 at RD5_bit;

sbit LCD_D6 at RD6_bit;

sbit LCD_D7 at RD7_bit;

// Pin direction

sbit LCD_RS_Direction at TRISD2_bit;

sbit LCD_EN_Direction at TRISD3_bit;

sbit LCD_D4_Direction at TRISD4_bit;

sbit LCD_D5_Direction at TRISD5_bit;

sbit LCD_D6_Direction at TRISD6_bit;

sbit LCD_D7_Direction at TRISD7_bit;

char keypadPort at PORTB ;


int array[10]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};

char array2[10]={'0','1','2','3','4','5','6','7','8','9'};

char no[16];

int no1[16];

char n=0;

int i;

char x;

char get_number(){

Lcd_Cmd(_LCD_CLEAR);

Lcd_Out(1,1, "password?");

for(i=0;i<16;i++){no[i]=0;

for(i=0;i<16;i++){

while(no[i]==0){

no[i]=Keypad_Key_Click();

if(no[i]==1){ no[i]='7'; no1[i]=7;}

if(no[i]==2) {no[i]='8'; no1[i]=8;}

if(no[i]==3) {no[i]='9'; no1[i]=9;}

if(no[i]==5) {no[i]='4';no1[i]=4;}

if(no[i]==6) {no[i]='5';no1[i]=5;}

if(no[i]==7) {no[i]='6';no1[i]=6; }

if(no[i]==9) {no[i]='1';no1[i]=1; }

if(no[i]==10) {no[i]='2';no1[i]=2; }

if(no[i]==11) {no[i]='3';no1[i]=3; }

if(no[i]==14) {no[i]='0';no1[i]=0; }

if(no[i]==16) {no[i]='.';no1[i]=0; }

if(no[i]==1234) {no[i]="correct" ; }
if(no[i]==15){

return 0;}

Lcd_chr(2,i+1,no[i]);

void main() {

TRISD = 0xFF; //PORTD as input

TRISC = 0x00; //PORTC as output

TRISA = 0x00; //PORTB as output

//Run motor in anticlock wise

Keypad_Init();

Lcd_Init();

while(1){

get_number();

if(no[0]=='1' && no[1]=='2'&& no[2]=='3'){

PORTA = 0x02;

PWM1_Init(5000);

PWM1_Start();

PWM1_Set_Duty(255);

delay_ms(500);

PWM1_Stop();

}
}

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