Lauren Alexander / Mbed 2 deprecated WhoStoleTheCookieFinal

ECE4018 Final Project - Cookie Jar

Dependencies:   FSRCookieJar mbed

Fork of MPR121_Demo by jim hamblen

main.cpp@1:25bc0044cb07, 2018-05-01 (annotated)

Committer:
lalexander37
Date:
Tue May 01 16:00:00 2018 +0000
Revision:
1:25bc0044cb07
Parent:
0:e09703934ff4 
CookieJarDemo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:e09703934ff4 1 /*
4180_1 0:e09703934ff4 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
4180_1 0:e09703934ff4 3
4180_1 0:e09703934ff4 4 Permission is hereby granted, free of charge, to any person obtaining a copy
4180_1 0:e09703934ff4 5 of this software and associated documentation files (the "Software"), to deal
4180_1 0:e09703934ff4 6 in the Software without restriction, including without limitation the rights
4180_1 0:e09703934ff4 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
4180_1 0:e09703934ff4 8 copies of the Software, and to permit persons to whom the Software is
4180_1 0:e09703934ff4 9 furnished to do so, subject to the following conditions:
4180_1 0:e09703934ff4 10
4180_1 0:e09703934ff4 11 The above copyright notice and this permission notice shall be included in
4180_1 0:e09703934ff4 12 all copies or substantial portions of the Software.
4180_1 0:e09703934ff4 13
4180_1 0:e09703934ff4 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
4180_1 0:e09703934ff4 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
4180_1 0:e09703934ff4 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
4180_1 0:e09703934ff4 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
4180_1 0:e09703934ff4 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
4180_1 0:e09703934ff4 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
4180_1 0:e09703934ff4 20 THE SOFTWARE.
4180_1 0:e09703934ff4 21 */
4180_1 0:e09703934ff4 22
lalexander37 1:25bc0044cb07 23
4180_1 0:e09703934ff4 24 #include <mbed.h>
4180_1 0:e09703934ff4 25 #include <string>
4180_1 0:e09703934ff4 26 #include <list>
lalexander37 1:25bc0044cb07 27 #include <sstream>
lalexander37 1:25bc0044cb07 28 #include <math.h>
lalexander37 1:25bc0044cb07 29 #include <mpr121.h>
lalexander37 1:25bc0044cb07 30 #include "FSR.h"
4180_1 0:e09703934ff4 31
lalexander37 1:25bc0044cb07 32
lalexander37 1:25bc0044cb07 33 using namespace std;
4180_1 0:e09703934ff4 34
4180_1 0:e09703934ff4 35 DigitalOut led1(LED1);
4180_1 0:e09703934ff4 36 DigitalOut led2(LED2);
4180_1 0:e09703934ff4 37 DigitalOut led3(LED3);
4180_1 0:e09703934ff4 38 DigitalOut led4(LED4);
lalexander37 1:25bc0044cb07 39 Serial dev(p28,p27);
4180_1 0:e09703934ff4 40
4180_1 0:e09703934ff4 41 // Create the interrupt receiver object on pin 26
4180_1 0:e09703934ff4 42 InterruptIn interrupt(p26);
4180_1 0:e09703934ff4 43
4180_1 0:e09703934ff4 44 // Setup the Serial to the PC for debugging
4180_1 0:e09703934ff4 45 Serial pc(USBTX, USBRX);
4180_1 0:e09703934ff4 46
4180_1 0:e09703934ff4 47 // Setup the i2c bus on pins 28 and 27
4180_1 0:e09703934ff4 48 I2C i2c(p9, p10);
4180_1 0:e09703934ff4 49
4180_1 0:e09703934ff4 50 // Setup the Mpr121:
4180_1 0:e09703934ff4 51 // constructor(i2c object, i2c address of the mpr121)
4180_1 0:e09703934ff4 52 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
4180_1 0:e09703934ff4 53
lalexander37 1:25bc0044cb07 54 //FSR handles the weight sensor
lalexander37 1:25bc0044cb07 55 FSR fsr(p20, 10);
lalexander37 1:25bc0044cb07 56 int j = 0;
lalexander37 1:25bc0044cb07 57 float weight_array[20];
lalexander37 1:25bc0044cb07 58 float average = 0.0;
lalexander37 1:25bc0044cb07 59 //float startWeight = 0.0;
lalexander37 1:25bc0044cb07 60
lalexander37 1:25bc0044cb07 61 DigitalOut ctrl(p8);
lalexander37 1:25bc0044cb07 62 void lid(int);
lalexander37 1:25bc0044cb07 63 int count = 0;
lalexander37 1:25bc0044cb07 64
lalexander37 1:25bc0044cb07 65 int testKey [4] = {};
lalexander37 1:25bc0044cb07 66 char testPassword [9] = {};
lalexander37 1:25bc0044cb07 67
lalexander37 1:25bc0044cb07 68 // -------- decalre correct passwords ----------//
lalexander37 1:25bc0044cb07 69 int realKey[4] = {1,2,2,4};
lalexander37 1:25bc0044cb07 70 char realPassword [9]= {'G', 'e', 'o', 'r', 'g', 'e', 'P', '.', '\0'};
lalexander37 1:25bc0044cb07 71
lalexander37 1:25bc0044cb07 72 int countToo = 0;
lalexander37 1:25bc0044cb07 73
lalexander37 1:25bc0044cb07 74 void dev_recv()
lalexander37 1:25bc0044cb07 75 {
lalexander37 1:25bc0044cb07 76 int index = 0;
lalexander37 1:25bc0044cb07 77 while(dev.readable()) {
lalexander37 1:25bc0044cb07 78 testPassword[index]=dev.getc();
lalexander37 1:25bc0044cb07 79 pc.putc(testPassword[index]);
lalexander37 1:25bc0044cb07 80 index++;
lalexander37 1:25bc0044cb07 81 wait(0.05);
lalexander37 1:25bc0044cb07 82 }
lalexander37 1:25bc0044cb07 83 pc.printf("\n\r");
4180_1 0:e09703934ff4 84 }
lalexander37 1:25bc0044cb07 85
lalexander37 1:25bc0044cb07 86 void pc_recv()
lalexander37 1:25bc0044cb07 87 {
lalexander37 1:25bc0044cb07 88 led4 = !led4;
lalexander37 1:25bc0044cb07 89 while(pc.readable()) {
lalexander37 1:25bc0044cb07 90 dev.putc(pc.getc());
lalexander37 1:25bc0044cb07 91 }
lalexander37 1:25bc0044cb07 92 }
4180_1 0:e09703934ff4 93
lalexander37 1:25bc0044cb07 94 void lid(int time) {
lalexander37 1:25bc0044cb07 95 ctrl = 1;
lalexander37 1:25bc0044cb07 96 wait(time);
lalexander37 1:25bc0044cb07 97 ctrl = 0;
lalexander37 1:25bc0044cb07 98 }
lalexander37 1:25bc0044cb07 99
lalexander37 1:25bc0044cb07 100 void open() {
lalexander37 1:25bc0044cb07 101 ctrl = 1;
lalexander37 1:25bc0044cb07 102 }
4180_1 0:e09703934ff4 103
lalexander37 1:25bc0044cb07 104 void close() {
lalexander37 1:25bc0044cb07 105 ctrl = 0;
lalexander37 1:25bc0044cb07 106 }
lalexander37 1:25bc0044cb07 107 float weight_sensor() {
lalexander37 1:25bc0044cb07 108 wait(1);
lalexander37 1:25bc0044cb07 109 float h = fsr.readFSRResistance();
lalexander37 1:25bc0044cb07 110 float slope = (4 - 2) / (log10(6.2) - log10(0.25));
lalexander37 1:25bc0044cb07 111 float pepsiSux = log10(h);
lalexander37 1:25bc0044cb07 112 float cocaCola = pow(10, ((log10(6.2) - pepsiSux) * slope + 2));
lalexander37 1:25bc0044cb07 113 cocaCola = 453*cocaCola;
lalexander37 1:25bc0044cb07 114 wait(0.5);
lalexander37 1:25bc0044cb07 115
lalexander37 1:25bc0044cb07 116 if (cocaCola-30 <= 0) {
lalexander37 1:25bc0044cb07 117 return 0;
lalexander37 1:25bc0044cb07 118 } else {
lalexander37 1:25bc0044cb07 119 return cocaCola-30;
4180_1 0:e09703934ff4 120 }
lalexander37 1:25bc0044cb07 121 }
lalexander37 1:25bc0044cb07 122
lalexander37 1:25bc0044cb07 123 int main() {
lalexander37 1:25bc0044cb07 124 pc.baud(9600);
lalexander37 1:25bc0044cb07 125 dev.baud(9600);
lalexander37 1:25bc0044cb07 126
lalexander37 1:25bc0044cb07 127 pc.attach(&pc_recv, Serial::RxIrq);
lalexander37 1:25bc0044cb07 128 dev.attach(&dev_recv, Serial::RxIrq);
lalexander37 1:25bc0044cb07 129
lalexander37 1:25bc0044cb07 130 int counter = 0;
4180_1 0:e09703934ff4 131
lalexander37 1:25bc0044cb07 132 //pc.printf("\nHello from the mbed & mpr121\n\r");
lalexander37 1:25bc0044cb07 133
lalexander37 1:25bc0044cb07 134
lalexander37 1:25bc0044cb07 135 bool keyFlag = 0;
lalexander37 1:25bc0044cb07 136 bool passFlag = 0;
lalexander37 1:25bc0044cb07 137
lalexander37 1:25bc0044cb07 138 //startWeight = weight_sensor();
4180_1 0:e09703934ff4 139
4180_1 0:e09703934ff4 140 while (1) {
lalexander37 1:25bc0044cb07 141 wait(1);
lalexander37 1:25bc0044cb07 142 while (keyFlag == 0 & passFlag == 0){
lalexander37 1:25bc0044cb07 143 //while(mpr121.read(0x000)==NULL){
lalexander37 1:25bc0044cb07 144 // dev.printf("Current cookies: %d grams\n\r", (int)weight_sensor());
lalexander37 1:25bc0044cb07 145 // dev.printf("Enter the key code into the keypad... \n\r ");
lalexander37 1:25bc0044cb07 146 //}
lalexander37 1:25bc0044cb07 147 //pc.printf("got here!");
lalexander37 1:25bc0044cb07 148 //wait(1);
lalexander37 1:25bc0044cb07 149 while (counter<4) {
lalexander37 1:25bc0044cb07 150 //printf("read: %d \n\r", counter);
lalexander37 1:25bc0044cb07 151 while(mpr121.read(0x000)==NULL){}
lalexander37 1:25bc0044cb07 152 int value=mpr121.read(0x000);
lalexander37 1:25bc0044cb07 153 double lauren = log((double)value);
lalexander37 1:25bc0044cb07 154 lauren = lauren/log(2.0);
lalexander37 1:25bc0044cb07 155 testKey[counter] = (int)lauren;
lalexander37 1:25bc0044cb07 156 dev.printf("You entered: %d\n\r", testKey[counter]);
lalexander37 1:25bc0044cb07 157 while(mpr121.read(0x000)!=NULL){}
lalexander37 1:25bc0044cb07 158 counter++;
lalexander37 1:25bc0044cb07 159 }
lalexander37 1:25bc0044cb07 160 if(testKey[0] == realKey[0]
lalexander37 1:25bc0044cb07 161 & testKey[1] == realKey[1]
lalexander37 1:25bc0044cb07 162 & testKey[2] == realKey[2]
lalexander37 1:25bc0044cb07 163 & testKey[3] == realKey[3]) {
lalexander37 1:25bc0044cb07 164 keyFlag = 1;
lalexander37 1:25bc0044cb07 165 dev.printf("lauren: waiting for 2 factor authentication\n\r");
lalexander37 1:25bc0044cb07 166 } else {
lalexander37 1:25bc0044cb07 167 counter = 0;
lalexander37 1:25bc0044cb07 168 dev.printf("Please try again\n\r");
lalexander37 1:25bc0044cb07 169 }
lalexander37 1:25bc0044cb07 170 }
lalexander37 1:25bc0044cb07 171 while (keyFlag == 1 & passFlag == 0) {
lalexander37 1:25bc0044cb07 172 if(
lalexander37 1:25bc0044cb07 173 testPassword[0] == realPassword[0]
lalexander37 1:25bc0044cb07 174 & testPassword[1] == realPassword[1]
lalexander37 1:25bc0044cb07 175 & testPassword[2] == realPassword[2]
lalexander37 1:25bc0044cb07 176 & testPassword[3] == realPassword[3]
lalexander37 1:25bc0044cb07 177 & testPassword[4] == realPassword[4]
lalexander37 1:25bc0044cb07 178 & testPassword[5] == realPassword[5]
lalexander37 1:25bc0044cb07 179 & testPassword[6] == realPassword[6]
lalexander37 1:25bc0044cb07 180 & testPassword[7] == realPassword[7]){
lalexander37 1:25bc0044cb07 181 passFlag = 1;
lalexander37 1:25bc0044cb07 182 dev.printf("Cookie jar is open, press any key to close\n\r");
lalexander37 1:25bc0044cb07 183 }
lalexander37 1:25bc0044cb07 184 else
lalexander37 1:25bc0044cb07 185 {
lalexander37 1:25bc0044cb07 186 //pc.printf("\n\rPlease enter a correct password");
lalexander37 1:25bc0044cb07 187 dev.printf("Please enter a correct password \n\r");
lalexander37 1:25bc0044cb07 188 wait(1.5);
lalexander37 1:25bc0044cb07 189 }
lalexander37 1:25bc0044cb07 190 }
lalexander37 1:25bc0044cb07 191
lalexander37 1:25bc0044cb07 192 while (keyFlag == 1 & passFlag == 1) {
lalexander37 1:25bc0044cb07 193 pc.printf("\n\rUnlocked \n\rPress any button to lock");
lalexander37 1:25bc0044cb07 194 //print weight sensor to UART
lalexander37 1:25bc0044cb07 195 //open the servos
lalexander37 1:25bc0044cb07 196 open();
lalexander37 1:25bc0044cb07 197 while(mpr121.read(0x000)==NULL){
lalexander37 1:25bc0044cb07 198 dev.printf("current weight is about -- %d -- grams\n\r", (int)weight_sensor());
lalexander37 1:25bc0044cb07 199 wait(0.5);
lalexander37 1:25bc0044cb07 200 }
lalexander37 1:25bc0044cb07 201 close();
lalexander37 1:25bc0044cb07 202
lalexander37 1:25bc0044cb07 203 keyFlag = 0;
lalexander37 1:25bc0044cb07 204 passFlag = 0;
lalexander37 1:25bc0044cb07 205 testKey[0] = 0;
lalexander37 1:25bc0044cb07 206 testKey[1] = 0;
lalexander37 1:25bc0044cb07 207 testKey[2] = 0;
lalexander37 1:25bc0044cb07 208 testKey[3] = 0;
lalexander37 1:25bc0044cb07 209 testPassword[0] = 0;
lalexander37 1:25bc0044cb07 210 testPassword[1] = 0;
lalexander37 1:25bc0044cb07 211 testPassword[2] = 0;
lalexander37 1:25bc0044cb07 212 testPassword[3] = 0;
lalexander37 1:25bc0044cb07 213 testPassword[4] = 0;
lalexander37 1:25bc0044cb07 214 testPassword[5] = 0;
lalexander37 1:25bc0044cb07 215 testPassword[6] = 0;
lalexander37 1:25bc0044cb07 216 testPassword[7] = 0;
lalexander37 1:25bc0044cb07 217 }
lalexander37 1:25bc0044cb07 218 wait(1);
4180_1 0:e09703934ff4 219 }
4180_1 0:e09703934ff4 220 }
4180_1 0:e09703934ff4 221
4180_1 0:e09703934ff4 222