Revision 2:30db7d0108c1, committed 2018-12-07

Comitter:

coryburke

Date:

Fri Dec 07 07:08:02 2018 +0000

Parent:

1:5461144fd540

Commit message:

keypad 4x4 for multiple users and multiple passwords

Changed in this revision

diff -r 5461144fd540 -r 30db7d0108c1 main.cpp
--- a/main.cpp	Thu Apr 26 18:44:07 2018 +0000
+++ b/main.cpp	Fri Dec 07 07:08:02 2018 +0000
@@ -1,30 +1,38 @@
   #include "mbed.h"
   #include "Keypad.h"
 #include "TextLCD.h"
- Keypad kpad(PTC8, PTC1, PTB19, PTB18, PTC5, PTC7, PTC0, PTC9);
- Serial pc(USBTX, USBRX);
- TextLCD lcd(PTA1, PTB23, PTA2, PTC2, PTC3, PTC12, TextLCD::LCD16x2); 
-/*
-col1, col2, col3, col4,
-row1, row2, row3, row4
+
+//pin selection for keypad matrix
+
+ Keypad kpad(PTE2,PTE3,PTE4,PTE5,PTB8,PTB9,PTB10,PTB11);
+ 
+ /*
+col1, col2, col3, col4, row1, row2, row3, row4
 */
 
-const int number_of_chars = 4;
-const char pass_user1[number_of_chars] = {'1','2','3','A'};  //HA
-const char pass_user2[number_of_chars] = {'2','2','3','A'};  //FA
-const char pass_user3[number_of_chars] = {'5','2','3','A'};  //AA
-const char pass_user4[number_of_chars] = {'6','2','3','A'};  //MA
-const char pass_user5[number_of_chars] = {'7','2','3','A'};  //FF
+// serial connection to pc for debugging and troubleshooting
+ Serial pc(USBTX, USBRX);
+ 
+//define passwords of for individual users
+const uint32_t number_of_chars = 5; //password length
+const char pass_user1[number_of_chars] = {'1','2','3','4','*'}; //
+const char pass_user2[number_of_chars] = {'1','4','7','4','*'}; //
+const char pass_user3[number_of_chars] = {'0','0','0','0','0'}; //
+const char pass_user4[number_of_chars] = {'6','5','4','C','*'}; //
+const char pass_user5[number_of_chars] = {'A','A','A','A','A'}; //
 
-char enterd_pass[number_of_chars] = {' ', ' ',' ',' '};
+//choose the character length of valid passwords
+char enterd_pass[number_of_chars] = {' ',' ',' ',' ',' '};
 
+
+//initialize outputs
 DigitalOut led_red(LED_RED);
 DigitalOut led_green(LED_GREEN);
-DigitalOut active_buzzer(PTC4);  //Buzzer on pin PTC4=D9
+DigitalOut active_buzzer(PTA4);
+DigitalOut output1(PTA5);
+  //Buzzer on pin PTD4
 
-PwmOut beep(PTC4); // buzzer
-
-//Serial pc(USBTX, USBRX);
+PwmOut beep(PTD4); // buzzer
 
 int main()
 {
@@ -35,26 +43,31 @@
     int user_index3=0;
     int user_index4=0;
     int user_index5=0;
- 
-    int released =1;;
+    int j=0;
+    int flag=0;
     
+printf("\n \n PASSWORD REQUIRED \n \n ");
 
+    int released =1;
+  
+    output1=1;
+    printf("\r\n Password Entered:");
     led_green = 0;
     led_red = 0;
     active_buzzer = 0;
 
+//buzzer period select
     beep.period(0.001);
-
-    lcd.cls();
+    
     wait(0.001);
 
     
-
-    while(true) {
+do{
+    while(1) {
+        led_green = 0;
+        led_red = 0;
+        printf("Enter Password:");
         
-        lcd.locate(0,0); // col, row 
-        lcd.printf("Enter Password:");
-
         // Reading the password characters
         for(i=0; i<number_of_chars; i++) {
             key = kpad.ReadKey();
@@ -63,9 +76,7 @@
              released = 1;                       //set the flag when all keys are released
            if((key != '\0') && (released == 1)) {  //if a key is pressed AND previous key was released
         enterd_pass[i]=key; 
-        lcd.locate(i,1); // col, row             
-        lcd.printf("*"); 
-                    
+        printf("%c ",enterd_pass[i]);           
               released = 0;                       //clear the flag to indicate that key is still pressed
               }
 else
@@ -75,17 +86,15 @@
            
         }
         
-        wait(0.5);
+        wait(0.003);
         
-        lcd.locate(0,1); // col, row             
-        lcd.printf("    " ); 
-        
-        // comparing passwords
+        // comparing password entered via keypad to valid user passwords
 
       /////////    user 1    ///////////////
         for(i=0; i<number_of_chars; i++) {
             if( enterd_pass[i] == pass_user1[i] ) {
                 user_index1 = 1;
+                active_buzzer = 0;
             } else {
                 user_index1 = 0;
                 break;
@@ -130,57 +139,115 @@
                 break;
             }
         }
-//////////////////////////////////////////////////
+        
+       
+////// correct password prompts and outputs
         if( (1 == user_index1)||(2 == user_index2)||(3 == user_index3)||(4 == user_index4)||(5 == user_index5) ) {
-            pc.printf("Access granted    ");
+            printf("\r\n Passcode recognized \n \n ");
             led_red = 1;
-            active_buzzer = 1;
-            lcd.locate(0,1); // col, row
-            lcd.printf("User: ");
+            active_buzzer = 0;
+            printf("\r\n Welcome Cory Burke \n \n" );
+           
+          output1=0;
 
             if(1 == user_index1) {
-                lcd.locate(6,1); // col, row
-                lcd.printf("HA");
+                printf("\r Access granted User 1 \n \n");
+            led_red = 1;
+            active_buzzer = 0;
+            printf("\r\n Welcome User 1 \n" );
+            printf("\r User numer: 1 \n");
+            output1=0;
             }
             if(2 == user_index2) {
-                lcd.locate(6,1); // col, row
-                lcd.printf("FA");
+                printf("\r\n Access granted: User 2 \n \n ");
+            led_red = 1;
+            active_buzzer = 0;
+            printf("\r\n Welcome User 2 \n" );
+            printf("\r User numer: 2 \n");
+            output1=0;
             }
             if(3 == user_index3) {
-                lcd.locate(6,1); // col, row
-                lcd.printf("AA");
+                printf("\r\n Access granted: User 3  \n ");
+            led_red = 1;
+            active_buzzer = 0;
+            printf("\r\n Welcome User 3 \n" );
+            printf("\r User numer: 3 \n ");
+            output1=0;
             }
             if(4 == user_index4) {
-                lcd.locate(6,1); // col, row
-                lcd.printf("MA");
+                printf("\r\n Access granted: User 4   \n ");
+            led_red = 1;
+            active_buzzer = 0;
+            printf("\r\n Welcome User 4 \n" );
+            printf("\r User numer: 4 \n");
+            output1=0;
             }
             if(5 == user_index5) {
-                lcd.locate(6,1); // col, row
-                lcd.printf("FF");
+                printf("\r Access granted: User 5 \n ");
+            led_red = 1;
+            active_buzzer = 0;
+            printf("\r\n Welcome User 5 \n " );
+            printf("\r User numer: 5 \n");
+            output1=0;
             }
 
             wait(1);
-            active_buzzer = 1;
-            beep = 80.3/100.0;
+            active_buzzer = 0;
+            beep = 25.0/100.0;
             led_red = 0;
+            led_green=0;
+            output1=1;
             wait(1);
-       lcd.cls();
+      
 
 
         }
-
+// indicates that an incorrect passwords was entered with leds and buzzer
         else {
-            lcd.locate(0,0); // col, row  
-            lcd.printf("Access denied     ");
+            printf("\r\n \n Incorrect password \n \n Access denied!  \n \n  ");
+            led_green = 1;
+            led_red=0;
+            wait(1);
+            active_buzzer = 1;
+             beep = 50.0/100.0;
+            j=j+1;
+            
+            if(j==4){printf("\r\n \n TOO MANT ATTEMPTS, SYSTEM LOCKOUT  \n \n  ");
             led_green = 1;
+            led_red=0;
+            flag=1;
             wait(1);
-            led_green = 0;
-            active_buzzer = 0;
-            beep = 0.0/100.0;
-        }
+            active_buzzer = 1;
+             beep = 50.0/100.0;
+               output1=1;
+            wait(1);
+             output1=0;
+            wait(1);
+             output1=1;
+            wait(1);
+             output1=0;
+            wait(1);
+             output1=1;
+            wait(1);   
+                                                                            }
+            
+                                                                    }
         
         beep = 0.0/100.0;
-
+        led_green = 0;
+            led_red=0;
     }
+    
+    
+    
+    
+    
+    } while(flag==0);
+    
+    
+    
+    
+    
+    
 }
 

diff -r 5461144fd540 -r 30db7d0108c1 mbed.bld
--- a/mbed.bld	Thu Apr 26 18:44:07 2018 +0000
+++ b/mbed.bld	Fri Dec 07 07:08:02 2018 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/994bdf8177cb
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file