Hashem Al-Jarrah Seto / Mbed 2 deprecated Final_Project

hashem

Dependencies:   mbed TextLCD keypad

main.cpp@0:593c5e55dd05, 2020-11-28 (annotated)

Committer:
hashemjs
Date:
Sat Nov 28 17:04:22 2020 +0000
Revision:
0:593c5e55dd05
keypad_LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hashemjs 0:593c5e55dd05 1 #include "mbed.h"
hashemjs 0:593c5e55dd05 2 #include "Keypad.h"
hashemjs 0:593c5e55dd05 3 #include "TextLCD.h"
hashemjs 0:593c5e55dd05 4 #include <string>
hashemjs 0:593c5e55dd05 5
hashemjs 0:593c5e55dd05 6 #define PW_SIZE 5
hashemjs 0:593c5e55dd05 7 #define PASSWORD "1234A"
hashemjs 0:593c5e55dd05 8
hashemjs 0:593c5e55dd05 9 Serial pc(USBTX, USBRX);
hashemjs 0:593c5e55dd05 10
hashemjs 0:593c5e55dd05 11 //initialize LCD display
hashemjs 0:593c5e55dd05 12 TextLCD lcd(p5, p7, p6, p11, p12, p13, p14, TextLCD::LCD16x2); // rs, rw, e, d0-d3
hashemjs 0:593c5e55dd05 13
hashemjs 0:593c5e55dd05 14 // Define keypad values
hashemjs 0:593c5e55dd05 15 char Keytable[] = { '1', '2', '3', 'A', // r0
hashemjs 0:593c5e55dd05 16 '4', '5', '6', 'B', // r1
hashemjs 0:593c5e55dd05 17 '7', '8', '9', 'C', // r2
hashemjs 0:593c5e55dd05 18 '*', '0', '#', 'D' // r3
hashemjs 0:593c5e55dd05 19 };
hashemjs 0:593c5e55dd05 20 // c0 c1 c2 c3
hashemjs 0:593c5e55dd05 21
hashemjs 0:593c5e55dd05 22 //Initialize variables
hashemjs 0:593c5e55dd05 23 uint32_t Index;
hashemjs 0:593c5e55dd05 24 std::string pword;
hashemjs 0:593c5e55dd05 25 const char * parray;
hashemjs 0:593c5e55dd05 26 int psize=0;
hashemjs 0:593c5e55dd05 27
hashemjs 0:593c5e55dd05 28 uint32_t cbAfterInput(uint32_t index) {
hashemjs 0:593c5e55dd05 29 Index = index;
hashemjs 0:593c5e55dd05 30
hashemjs 0:593c5e55dd05 31 //print entered value on LCD and save password in string
hashemjs 0:593c5e55dd05 32 if(Keytable[Index] != '#' && Keytable[Index] != '*'){
hashemjs 0:593c5e55dd05 33 if(psize < PW_SIZE){
hashemjs 0:593c5e55dd05 34 pword.push_back(Keytable[Index]);
hashemjs 0:593c5e55dd05 35 lcd.putc(Keytable[Index]);
hashemjs 0:593c5e55dd05 36 parray = pword.c_str();
hashemjs 0:593c5e55dd05 37 psize++;
hashemjs 0:593c5e55dd05 38 }
hashemjs 0:593c5e55dd05 39 }
hashemjs 0:593c5e55dd05 40
hashemjs 0:593c5e55dd05 41 if(Keytable[Index] == '*'){
hashemjs 0:593c5e55dd05 42 pword = "";
hashemjs 0:593c5e55dd05 43 lcd.cls();
hashemjs 0:593c5e55dd05 44 wait(0.001);
hashemjs 0:593c5e55dd05 45 lcd.printf("Pass:");
hashemjs 0:593c5e55dd05 46 lcd.locate(0,1);
hashemjs 0:593c5e55dd05 47 psize=0;
hashemjs 0:593c5e55dd05 48 }
hashemjs 0:593c5e55dd05 49 if(Keytable[Index] == '#'){
hashemjs 0:593c5e55dd05 50 lcd.cls();
hashemjs 0:593c5e55dd05 51 wait(0.001);
hashemjs 0:593c5e55dd05 52 if(pword == PASSWORD)
hashemjs 0:593c5e55dd05 53 lcd.printf("Correct");
hashemjs 0:593c5e55dd05 54 //lcd.printf("pword");
hashemjs 0:593c5e55dd05 55 //lcd.locate(0,1);
hashemjs 0:593c5e55dd05 56 //lcd.printf(parray);
hashemjs 0:593c5e55dd05 57 else
hashemjs 0:593c5e55dd05 58 lcd.printf("Incorrect");
hashemjs 0:593c5e55dd05 59 }
hashemjs 0:593c5e55dd05 60 return 0;
hashemjs 0:593c5e55dd05 61 }
hashemjs 0:593c5e55dd05 62
hashemjs 0:593c5e55dd05 63
hashemjs 0:593c5e55dd05 64 int main() {
hashemjs 0:593c5e55dd05 65
hashemjs 0:593c5e55dd05 66 lcd.cls();
hashemjs 0:593c5e55dd05 67 wait(0.001);
hashemjs 0:593c5e55dd05 68 lcd.printf("Pass:");
hashemjs 0:593c5e55dd05 69 lcd.locate(0,1);
hashemjs 0:593c5e55dd05 70
hashemjs 0:593c5e55dd05 71 // r0 r1 r2 r3 c0 c1 c2 c3
hashemjs 0:593c5e55dd05 72 Keypad keypad(p28, p27, p26, p25, p21, p22, p23, p24);
hashemjs 0:593c5e55dd05 73 keypad.attach(&cbAfterInput);
hashemjs 0:593c5e55dd05 74 keypad.start(); // energize the keypad via c0-c3
hashemjs 0:593c5e55dd05 75
hashemjs 0:593c5e55dd05 76 while (1) {
hashemjs 0:593c5e55dd05 77 __wfi();
hashemjs 0:593c5e55dd05 78 pc.printf("Interrupted\r\n");
hashemjs 0:593c5e55dd05 79 pc.printf("Index:%d => Key:%c\r\n", Index, Keytable[Index]);
hashemjs 0:593c5e55dd05 80 }
hashemjs 0:593c5e55dd05 81 }