setup.cpp

00001 /*
00002 * Authors: Group 4 Adam Elghor, Brian Kaplan, Sayak Chatterjee, Moraa Onwonga
00003 * Purpose: Controls the SETUP state of the machine
00004 * Language: C++
00005 */
00006 #include "setup.h"
00007 #include "authentication.h"
00008 #include "parameters.h"
00009 #include "actuators.h"
00010 #include "PinDetect.h"
00011 
00012 
00013 PinDetect button(p8);
00014 
00015 volatile bool buttonHit = false;
00016 bool firstTime = true;
00017 
00018 /*
00019 * Function:  button_hit_callback
00020 * --------------------
00021 *  Changes boolean buttonHit inversly when called
00022 *
00023 */
00024 void button_hit_callback (void)
00025 {
00026     buttonHit = !buttonHit;
00027 }
00028 /*
00029 * Function:  setup
00030 * --------------------
00031 *  Calls the functions needed to setup the entry sequence for the safe.
00032 *
00033 *  returns: the next state in the state machine
00034 *  LOCK: after entry sequence has been entered
00035 *
00036 */
00037 
00038 
00039 enum states setup()
00040 {
00041     printf("%d",buttonHit);
00042     if (firstTime) {
00043         button.mode(PullUp);
00044         button.attach_deasserted(&button_hit_callback);
00045         button.setSampleFrequency();
00046         firstTime = false;
00047     }
00048     if(buttonHit || checkBluetooth()) {
00049         setEntrySequenceAttempt();
00050         wait(5);
00051         lockSafe();
00052         wait(5);
00053         return LOCK;
00054     }
00055     return SETUP;
00056 }
00057 
00058 
00059 
00060