How to code from keypad to LCD screen

[caramelz]

Using Pic18f4520, PORTA for the key encoder,

coded for keypad only. Guys please help

---

Code C - [expand]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
#include <p18f4520.h>
#include <delays.h>
void main()
{
 int keyInputs;
 char keypress;
 ADCON1=0X0f;
 TRISA=0b11111111
 while(1)
{
 if(PORTAbits.RA4==1)
 {
  keyInputs = PORTA & 0x0f;
  switch(keyInputs)
 {
  case 0: keypress ='1'; break;
  case 1: keypress='2'; break;
  case 2: keypress='3'; break;
  case 3: keypress='F'; break;
  case 4: keypress='4'; break;
  case 5: keypress='5'; break; 
  case 6: keypress='6'; break;
  case 7: keypress='E'; break;
  case 8: keypress='7'; break;
  case 9: keypress='8'; break;
  case 10: keypress='9'; break;
  case 11: keypress='D'; break;
  case 12: keypress='A'; break;
  case 13: keypress='0'; break;
  case 14: keypress='B'; break;
  case 15: keypress='C'; break;
}
Delay10KTCYx(50);
}
}
}

---

 

[g_shyam1682]

hi friend

please describe your question broadly, what you want actually.

Regards,
Shyam

 

[caramelz]

hi Shyam. My sch is asking us to do a security system. so I need a code to display the keypad numbers on the LCD screen. And to key in the password and led will light up.