Ryan Williams / Mbed 2 deprecated BuzzAccess

Buzz Access

Dependencies:   4DGL-uLCD-SE KeyPad PinDetect HID_Wiegand mbed-rtos mbed

main.cpp@1:c41a71a200d6, 2015-04-30 (annotated)

Committer:
otis22894
Date:
Thu Apr 30 01:37:26 2015 +0000
Revision:
1:c41a71a200d6
Parent:
0:0d31da041b5c
Child:
2:ec211fc4bdc2
Commit #2;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
otis22894 0:0d31da041b5c 1 #include "mbed.h"
otis22894 0:0d31da041b5c 2 #include "KeyPad.h"
otis22894 0:0d31da041b5c 3 #include "rtos.h"
otis22894 0:0d31da041b5c 4 #include "uLCD_4DGL.h"
otis22894 0:0d31da041b5c 5 #include <iostream>
otis22894 0:0d31da041b5c 6 #include "PinDetect.h"
otis22894 0:0d31da041b5c 7 #include "Wiegand.h"
otis22894 0:0d31da041b5c 8 #include <string>
otis22894 0:0d31da041b5c 9 #include <sstream>
otis22894 0:0d31da041b5c 10 #define __STDC_FORMAT_MACROS
otis22894 0:0d31da041b5c 11 #include <inttypes.h>
otis22894 0:0d31da041b5c 12 #define CARDSALLOWED 10
otis22894 0:0d31da041b5c 13
otis22894 0:0d31da041b5c 14 bool checkCode(std::vector<int>,std::vector<int>);
otis22894 0:0d31da041b5c 15 void keypad_thread(void const *args);
otis22894 0:0d31da041b5c 16 void knock_thread(void const *args);
otis22894 0:0d31da041b5c 17 void rfid_thread(void const *args);
otis22894 0:0d31da041b5c 18 void changeCode();
otis22894 0:0d31da041b5c 19 void changeSecretKnock();
otis22894 0:0d31da041b5c 20 void captureKnock();
otis22894 0:0d31da041b5c 21 void checkKnocks();
otis22894 0:0d31da041b5c 22 void onCardRead();
otis22894 0:0d31da041b5c 23 int readCardsFromFile(FILE *fp);
otis22894 0:0d31da041b5c 24 int readCardsFromFile();
otis22894 0:0d31da041b5c 25 bool isAllowed(const char *card);
otis22894 0:0d31da041b5c 26 void storeCard(const char *card);
otis22894 1:c41a71a200d6 27 void menuShiftUp();
otis22894 1:c41a71a200d6 28 void menuShiftDown();
otis22894 1:c41a71a200d6 29 void display();
otis22894 1:c41a71a200d6 30 void menuSelect();
otis22894 0:0d31da041b5c 31
otis22894 0:0d31da041b5c 32 Serial pc(USBTX, USBRX);
otis22894 0:0d31da041b5c 33 KeyPad2 keypad(p25, p27, p23, p26, p21, p22, p24);
otis22894 0:0d31da041b5c 34 static const int arr[] = {1,2,3,4};
otis22894 0:0d31da041b5c 35 std::vector<int> master(arr, arr + sizeof(arr) / sizeof(arr[0]) );
otis22894 0:0d31da041b5c 36 std::vector<int> keys;
otis22894 1:c41a71a200d6 37 std::vector<int> key;
otis22894 0:0d31da041b5c 38 std::vector<int> knock;
otis22894 0:0d31da041b5c 39 std::vector<int> userKnock;
otis22894 1:c41a71a200d6 40 static const std::string arr2[] = {"Lock Door","Unlock Door","Change Key Code","Change Knock","Add Card","Delete Card","This is wayyyyyyyyyyyyyyy too long"};
otis22894 1:c41a71a200d6 41 std::vector<string> menuOptions(arr2, arr2 + sizeof(arr2) / sizeof(arr2[0]));
otis22894 0:0d31da041b5c 42 DigitalOut led2(LED2);
otis22894 0:0d31da041b5c 43 DigitalOut led1(LED1);
otis22894 0:0d31da041b5c 44 uLCD_4DGL lcd(p9, p10, p8);
otis22894 1:c41a71a200d6 45 PinDetect menuUp(p13);
otis22894 1:c41a71a200d6 46 PinDetect select(p6);
otis22894 1:c41a71a200d6 47 PinDetect menuDown(p7);
otis22894 0:0d31da041b5c 48 Timer timer;
otis22894 0:0d31da041b5c 49 AnalogIn ain(p15);
otis22894 0:0d31da041b5c 50 Wiegand rfid(p30, p29, p28, &onCardRead);
otis22894 0:0d31da041b5c 51 char **allowedCards;
otis22894 0:0d31da041b5c 52 int allowedCount = 0;
otis22894 0:0d31da041b5c 53 bool changeCodeBool = false;
otis22894 0:0d31da041b5c 54 LocalFileSystem fileSystem("local");
otis22894 1:c41a71a200d6 55 int selected = 0;
otis22894 1:c41a71a200d6 56 int oldSelected = -1;
otis22894 0:0d31da041b5c 57
otis22894 0:0d31da041b5c 58 int main() {
otis22894 0:0d31da041b5c 59 timer.start();
otis22894 1:c41a71a200d6 60 Thread keypadThread(keypad_thread);
otis22894 0:0d31da041b5c 61 //Thread knockThread(knock_thread);
otis22894 0:0d31da041b5c 62 //Thread rfidThread(rfid_thread);
otis22894 1:c41a71a200d6 63 lcd.baudrate(500000);
otis22894 1:c41a71a200d6 64 menuUp.mode(PullUp);
otis22894 1:c41a71a200d6 65 menuDown.mode(PullUp);
otis22894 1:c41a71a200d6 66 select.mode(PullUp);
otis22894 1:c41a71a200d6 67 Thread::wait(500);
otis22894 1:c41a71a200d6 68 menuUp.attach_deasserted(&menuShiftUp);
otis22894 1:c41a71a200d6 69 menuDown.attach_deasserted(&menuShiftDown);
otis22894 1:c41a71a200d6 70 select.attach_deasserted(&menuSelect);
otis22894 1:c41a71a200d6 71 menuUp.setSampleFrequency();
otis22894 1:c41a71a200d6 72 menuDown.setSampleFrequency();
otis22894 1:c41a71a200d6 73 select.setSampleFrequency();
otis22894 1:c41a71a200d6 74 int count = 0;
otis22894 0:0d31da041b5c 75 led1 = 0;
otis22894 0:0d31da041b5c 76 while(1){
otis22894 1:c41a71a200d6 77 if(count > 100){
otis22894 1:c41a71a200d6 78 count = 0;
otis22894 1:c41a71a200d6 79 led1 = !led1;
otis22894 1:c41a71a200d6 80 }
otis22894 1:c41a71a200d6 81 display();
otis22894 1:c41a71a200d6 82 Thread::wait(1);
otis22894 1:c41a71a200d6 83 count++;
otis22894 0:0d31da041b5c 84 }
otis22894 0:0d31da041b5c 85
otis22894 0:0d31da041b5c 86 }
otis22894 0:0d31da041b5c 87
otis22894 1:c41a71a200d6 88 void display(){
otis22894 1:c41a71a200d6 89 if(changeCodeBool){
otis22894 1:c41a71a200d6 90 lcd.cls();
otis22894 1:c41a71a200d6 91 lcd.locate(0,0);
otis22894 1:c41a71a200d6 92 lcd.printf("%s","Enter New Code");
otis22894 1:c41a71a200d6 93 lcd.locate(0,1);
otis22894 1:c41a71a200d6 94 bool first = true;
otis22894 1:c41a71a200d6 95 while(changeCodeBool){
otis22894 1:c41a71a200d6 96 if(key.size()>0 && (!first && key.front()==0)){
otis22894 1:c41a71a200d6 97 lcd.printf("%d ",key.front());
otis22894 1:c41a71a200d6 98 Thread::wait(150);
otis22894 1:c41a71a200d6 99 first = false;
otis22894 1:c41a71a200d6 100 }
otis22894 1:c41a71a200d6 101 }
otis22894 1:c41a71a200d6 102 }else if(oldSelected != selected){
otis22894 1:c41a71a200d6 103 for(int i = 0;i<menuOptions.size();i++){
otis22894 1:c41a71a200d6 104 lcd.locate(0,i);
otis22894 1:c41a71a200d6 105 if(selected==i){
otis22894 1:c41a71a200d6 106 lcd.textbackground_color(WHITE);
otis22894 1:c41a71a200d6 107 }else{
otis22894 1:c41a71a200d6 108 lcd.textbackground_color(BLACK);
otis22894 1:c41a71a200d6 109 }
otis22894 1:c41a71a200d6 110 if(menuOptions[i].size()>17){
otis22894 1:c41a71a200d6 111 lcd.printf("%s",menuOptions[i].substr(0,18).c_str());
otis22894 1:c41a71a200d6 112 }else{
otis22894 1:c41a71a200d6 113 lcd.printf("%s",menuOptions[i].c_str() + std::string(18-menuOptions[i].size(),' '));
otis22894 1:c41a71a200d6 114 }
otis22894 1:c41a71a200d6 115 }
otis22894 1:c41a71a200d6 116 oldSelected = selected;
otis22894 1:c41a71a200d6 117 }
otis22894 1:c41a71a200d6 118 }
otis22894 1:c41a71a200d6 119
otis22894 1:c41a71a200d6 120 void menuSelect(){
otis22894 1:c41a71a200d6 121 changeCodeBool = true;
otis22894 1:c41a71a200d6 122 }
otis22894 1:c41a71a200d6 123
otis22894 1:c41a71a200d6 124 void menuShiftUp(){
otis22894 1:c41a71a200d6 125 selected = (selected + 1) % menuOptions.size();
otis22894 1:c41a71a200d6 126 }
otis22894 1:c41a71a200d6 127
otis22894 1:c41a71a200d6 128 void menuShiftDown(){
otis22894 1:c41a71a200d6 129 selected--;
otis22894 1:c41a71a200d6 130 if(selected == -1){
otis22894 1:c41a71a200d6 131 selected = menuOptions.size() - 1;
otis22894 1:c41a71a200d6 132 }
otis22894 1:c41a71a200d6 133 }
otis22894 1:c41a71a200d6 134
otis22894 0:0d31da041b5c 135 void rfid_thread(void const *args){
otis22894 0:0d31da041b5c 136 allowedCards = new char*[CARDSALLOWED];
otis22894 0:0d31da041b5c 137 for (int i = 0; i < CARDSALLOWED; ++i){
otis22894 0:0d31da041b5c 138 allowedCards[i] = new char[11];
otis22894 0:0d31da041b5c 139 }
otis22894 0:0d31da041b5c 140 readCardsFromFile();
otis22894 0:0d31da041b5c 141 while(1){
otis22894 0:0d31da041b5c 142 rfid.doEvents();
otis22894 0:0d31da041b5c 143 Thread::wait(100);
otis22894 0:0d31da041b5c 144 }
otis22894 0:0d31da041b5c 145 }
otis22894 0:0d31da041b5c 146
otis22894 0:0d31da041b5c 147 void onCardRead() {
otis22894 0:0d31da041b5c 148 /*pc.printf("%d\n",rfid.bitsRead());
otis22894 0:0d31da041b5c 149 uint64_t rawCardData = rfid.getBits(14,33);
otis22894 0:0d31da041b5c 150 pc.printf("%" PRIx64 "\n",rawCardData);
otis22894 0:0d31da041b5c 151 pc.printf("%" PRIx64 "\n",rfid.getBits(0,34));*/
otis22894 0:0d31da041b5c 152 uint64_t cardData = rfid.getBits(0,34);
otis22894 0:0d31da041b5c 153 ostringstream o;
otis22894 0:0d31da041b5c 154 string str;
otis22894 0:0d31da041b5c 155 o << cardData;
otis22894 0:0d31da041b5c 156 str += o.str();
otis22894 0:0d31da041b5c 157 storeCard(str.c_str());
otis22894 0:0d31da041b5c 158 }
otis22894 0:0d31da041b5c 159
otis22894 0:0d31da041b5c 160 bool isAllowed(const char *card){
otis22894 0:0d31da041b5c 161 for(int i = 0;i<allowedCount;i++){
otis22894 0:0d31da041b5c 162 for(int j = 0;j<11;j++){
otis22894 0:0d31da041b5c 163 if(card[j]!=allowedCards[i][j]){
otis22894 0:0d31da041b5c 164 break;
otis22894 0:0d31da041b5c 165 }else if(j==10){
otis22894 0:0d31da041b5c 166 return true;
otis22894 0:0d31da041b5c 167 }
otis22894 0:0d31da041b5c 168 }
otis22894 0:0d31da041b5c 169 }
otis22894 0:0d31da041b5c 170 return false;
otis22894 0:0d31da041b5c 171 }
otis22894 0:0d31da041b5c 172
otis22894 0:0d31da041b5c 173 void storeCard(const char *card){
otis22894 0:0d31da041b5c 174 if(allowedCount < 10 && !isAllowed(card)){
otis22894 0:0d31da041b5c 175 FILE *fp = fopen("/local/cards.txt", "a");
otis22894 0:0d31da041b5c 176 if(fp==NULL){
otis22894 1:c41a71a200d6 177 //ERROR
otis22894 0:0d31da041b5c 178 }
otis22894 0:0d31da041b5c 179 fprintf(fp, "%c%c%c%c%c%c%c%c%c%c%c\r\n",card[0],card[1],card[2],card[3],card[4],card[5],card[6],card[7],card[8],card[9],card[10]);
otis22894 0:0d31da041b5c 180 fclose(fp);
otis22894 0:0d31da041b5c 181 for(int transfer = 0;transfer<11;transfer++){
otis22894 0:0d31da041b5c 182 allowedCards[allowedCount][transfer] = card[transfer];
otis22894 0:0d31da041b5c 183 }
otis22894 0:0d31da041b5c 184 allowedCount++;
otis22894 0:0d31da041b5c 185 }
otis22894 0:0d31da041b5c 186 }
otis22894 0:0d31da041b5c 187
otis22894 0:0d31da041b5c 188 int readCardsFromFile(){
otis22894 0:0d31da041b5c 189 FILE *fp = fopen("/local/cards.txt", "r");
otis22894 0:0d31da041b5c 190 int ret = readCardsFromFile(fp);
otis22894 0:0d31da041b5c 191 return ret;
otis22894 0:0d31da041b5c 192 }
otis22894 0:0d31da041b5c 193
otis22894 0:0d31da041b5c 194 int readCardsFromFile(FILE *fp){
otis22894 0:0d31da041b5c 195 int c,transfer = 0;
otis22894 0:0d31da041b5c 196 if(fp!=NULL){
otis22894 0:0d31da041b5c 197 c = fgetc(fp);
otis22894 0:0d31da041b5c 198 while(c!=EOF){
otis22894 0:0d31da041b5c 199 allowedCards[allowedCount][transfer] = c;
otis22894 0:0d31da041b5c 200 transfer++;
otis22894 0:0d31da041b5c 201 if(transfer==11){
otis22894 0:0d31da041b5c 202 allowedCount++;
otis22894 0:0d31da041b5c 203 if(allowedCount==CARDSALLOWED){
otis22894 0:0d31da041b5c 204 break;
otis22894 0:0d31da041b5c 205 }
otis22894 0:0d31da041b5c 206 transfer = 0;
otis22894 0:0d31da041b5c 207 fgetc(fp);
otis22894 0:0d31da041b5c 208 fgetc(fp);
otis22894 0:0d31da041b5c 209 }
otis22894 0:0d31da041b5c 210 c = fgetc(fp);
otis22894 0:0d31da041b5c 211 }
otis22894 0:0d31da041b5c 212 fclose(fp);
otis22894 0:0d31da041b5c 213 return 1;
otis22894 0:0d31da041b5c 214 }else{
otis22894 0:0d31da041b5c 215 return 0;
otis22894 0:0d31da041b5c 216 }
otis22894 0:0d31da041b5c 217 }
otis22894 0:0d31da041b5c 218
otis22894 0:0d31da041b5c 219 void knock_thread(void const *args){
otis22894 0:0d31da041b5c 220 Thread::wait(1000);
otis22894 0:0d31da041b5c 221 changeSecretKnock();
otis22894 0:0d31da041b5c 222 float newval;
otis22894 0:0d31da041b5c 223 while(1){
otis22894 0:0d31da041b5c 224 newval = ain.read();
otis22894 0:0d31da041b5c 225 if(newval > 0.508 && newval < 0.538){
otis22894 0:0d31da041b5c 226 Thread::wait(50);
otis22894 0:0d31da041b5c 227 captureKnock();
otis22894 0:0d31da041b5c 228 checkKnocks();
otis22894 0:0d31da041b5c 229 }
otis22894 0:0d31da041b5c 230 Thread::wait(1);
otis22894 0:0d31da041b5c 231 }
otis22894 0:0d31da041b5c 232 }
otis22894 0:0d31da041b5c 233
otis22894 0:0d31da041b5c 234 void checkKnocks(){
otis22894 0:0d31da041b5c 235 if(knock.size() != userKnock.size()){
otis22894 1:c41a71a200d6 236 //DENIED
otis22894 0:0d31da041b5c 237 }else{
otis22894 0:0d31da041b5c 238 bool access = true;
otis22894 0:0d31da041b5c 239 for(int i = 0; i<knock.size(); i++){
otis22894 0:0d31da041b5c 240 if(!(abs(1-((float)knock[i])/((float)userKnock[i]))<0.15)){
otis22894 0:0d31da041b5c 241 access = false;
otis22894 0:0d31da041b5c 242 }
otis22894 0:0d31da041b5c 243 }
otis22894 0:0d31da041b5c 244 if(access){
otis22894 1:c41a71a200d6 245 //GRANTED
otis22894 0:0d31da041b5c 246 }else{
otis22894 1:c41a71a200d6 247 //GRANTED
otis22894 0:0d31da041b5c 248 }
otis22894 0:0d31da041b5c 249 }
otis22894 0:0d31da041b5c 250 }
otis22894 0:0d31da041b5c 251
otis22894 0:0d31da041b5c 252 void captureKnock(){
otis22894 0:0d31da041b5c 253 float val;
otis22894 0:0d31da041b5c 254 userKnock.clear();
otis22894 0:0d31da041b5c 255 timer.reset();
otis22894 0:0d31da041b5c 256 int time;
otis22894 0:0d31da041b5c 257 while(timer.read() < 2){
otis22894 0:0d31da041b5c 258 val = ain.read();
otis22894 0:0d31da041b5c 259 if(val > 0.508 && val < 0.538){
otis22894 0:0d31da041b5c 260 time = timer.read_ms();
otis22894 0:0d31da041b5c 261 userKnock.push_back(time);
otis22894 0:0d31da041b5c 262 Thread::wait(50);
otis22894 0:0d31da041b5c 263 timer.reset();
otis22894 0:0d31da041b5c 264 }
otis22894 0:0d31da041b5c 265 Thread::wait(1);
otis22894 0:0d31da041b5c 266 }
otis22894 0:0d31da041b5c 267 }
otis22894 0:0d31da041b5c 268
otis22894 0:0d31da041b5c 269 void changeSecretKnock(){
otis22894 0:0d31da041b5c 270 float val;
otis22894 0:0d31da041b5c 271 Timer t;
otis22894 0:0d31da041b5c 272 while(true){
otis22894 0:0d31da041b5c 273 val = ain.read();
otis22894 0:0d31da041b5c 274 if(val > 0.508 && val < 0.538){
otis22894 0:0d31da041b5c 275 break;
otis22894 0:0d31da041b5c 276 }
otis22894 0:0d31da041b5c 277 Thread::wait(1);
otis22894 0:0d31da041b5c 278 }
otis22894 0:0d31da041b5c 279 t.start();
otis22894 0:0d31da041b5c 280 int time;
otis22894 0:0d31da041b5c 281 while(t.read() < 2){
otis22894 0:0d31da041b5c 282 val = ain.read();
otis22894 0:0d31da041b5c 283 if(val > 0.508 && val < 0.538){
otis22894 0:0d31da041b5c 284 time = t.read_ms();
otis22894 0:0d31da041b5c 285 knock.push_back(time);
otis22894 0:0d31da041b5c 286 Thread::wait(50);
otis22894 0:0d31da041b5c 287 t.reset();
otis22894 0:0d31da041b5c 288 }
otis22894 0:0d31da041b5c 289 Thread::wait(1);
otis22894 0:0d31da041b5c 290 }
otis22894 0:0d31da041b5c 291 }
otis22894 0:0d31da041b5c 292
otis22894 0:0d31da041b5c 293 bool checkCode(std::vector<int> master,std::vector<int> v1){
otis22894 0:0d31da041b5c 294 if(v1.size() != master.size()){
otis22894 0:0d31da041b5c 295 return false;
otis22894 0:0d31da041b5c 296 }else{
otis22894 0:0d31da041b5c 297 for(int i = 0;i<master.size();i++){
otis22894 0:0d31da041b5c 298 if(master[i] != v1[i]){
otis22894 0:0d31da041b5c 299 return false;
otis22894 0:0d31da041b5c 300 }
otis22894 0:0d31da041b5c 301 }
otis22894 0:0d31da041b5c 302 return true;
otis22894 0:0d31da041b5c 303 }
otis22894 0:0d31da041b5c 304 }
otis22894 0:0d31da041b5c 305
otis22894 0:0d31da041b5c 306 void changeCode(){
otis22894 0:0d31da041b5c 307 std::vector<int> tempMaster;
otis22894 0:0d31da041b5c 308 key.push_back(0);
otis22894 0:0d31da041b5c 309 while(key.front() != 12){
otis22894 0:0d31da041b5c 310 key = keypad.getkey();
otis22894 0:0d31da041b5c 311 if(key.size()>0){
otis22894 0:0d31da041b5c 312 tempMaster.push_back(key.front());
otis22894 0:0d31da041b5c 313 }
otis22894 0:0d31da041b5c 314 Thread::wait(100);
otis22894 0:0d31da041b5c 315 }
otis22894 0:0d31da041b5c 316 tempMaster.pop_back();
otis22894 0:0d31da041b5c 317 if(tempMaster.size() >= 4){
otis22894 0:0d31da041b5c 318 master.clear();
otis22894 0:0d31da041b5c 319 for(int i = 0;i<tempMaster.size();i++){
otis22894 0:0d31da041b5c 320 master.push_back(tempMaster[i]);
otis22894 0:0d31da041b5c 321 }
otis22894 1:c41a71a200d6 322 }else{
otis22894 0:0d31da041b5c 323 }
otis22894 0:0d31da041b5c 324 changeCodeBool = false;
otis22894 1:c41a71a200d6 325 oldSelected = -1;
otis22894 0:0d31da041b5c 326 }
otis22894 0:0d31da041b5c 327
otis22894 0:0d31da041b5c 328 void keypad_thread(void const *args){
otis22894 0:0d31da041b5c 329 std::vector<int> key;
otis22894 0:0d31da041b5c 330 key.push_back(0);
otis22894 0:0d31da041b5c 331 while(1) {
otis22894 0:0d31da041b5c 332 while(key.front() != 12){
otis22894 0:0d31da041b5c 333 if(changeCodeBool){
otis22894 0:0d31da041b5c 334 changeCode();
otis22894 0:0d31da041b5c 335 }
otis22894 0:0d31da041b5c 336 key = keypad.getkey();
otis22894 0:0d31da041b5c 337 if(key.size()>0){
otis22894 0:0d31da041b5c 338 keys.push_back(key.front());
otis22894 0:0d31da041b5c 339 }
otis22894 0:0d31da041b5c 340 Thread::wait(100);
otis22894 0:0d31da041b5c 341 }
otis22894 0:0d31da041b5c 342 keys.pop_back();
otis22894 0:0d31da041b5c 343 bool result = checkCode(master,keys);
otis22894 0:0d31da041b5c 344 int size = keys.size();
otis22894 0:0d31da041b5c 345 for(int i = 0;i<size;i++){
otis22894 0:0d31da041b5c 346 keys.erase(keys.begin());
otis22894 1:c41a71a200d6 347 }
otis22894 0:0d31da041b5c 348 keys.clear();
otis22894 0:0d31da041b5c 349 key.clear();
otis22894 0:0d31da041b5c 350 key.push_back(0);
otis22894 0:0d31da041b5c 351 Thread::wait(100);
otis22894 0:0d31da041b5c 352 }
otis22894 0:0d31da041b5c 353 }