cole bevis / Mbed 2 deprecated IoT_PinPad_MiniProject

Use the touchpad to enter a passcode, which is either confirmed or rejected, and is displayed on a webpage.

Dependencies:   mbed

Fork of huzzah_helloWorld by ECE 4180 Team Who

main.cpp@2:ae7610f4867a, 2016-03-16 (annotated)

Committer:
coleandbrandon
Date:
Wed Mar 16 14:20:11 2016 +0000
Revision:
2:ae7610f4867a
Parent:
1:fe195c33f794 
Final commit with general code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhunter029 0:57cec3469a80 1 #include "mbed.h"
coleandbrandon 1:fe195c33f794 2 #include <string>
coleandbrandon 1:fe195c33f794 3 #include <list>
coleandbrandon 1:fe195c33f794 4
coleandbrandon 1:fe195c33f794 5 #include <mpr121.h>
jhunter029 0:57cec3469a80 6
jhunter029 0:57cec3469a80 7 Serial pc(USBTX, USBRX);
jhunter029 0:57cec3469a80 8 Serial esp(p28, p27); // tx, rx
coleandbrandon 1:fe195c33f794 9 Timer t;
coleandbrandon 1:fe195c33f794 10 Timer t1;
coleandbrandon 1:fe195c33f794 11 Timer t2;
jhunter029 0:57cec3469a80 12 DigitalOut led1(LED1);
coleandbrandon 1:fe195c33f794 13 DigitalOut led2(LED2);
coleandbrandon 1:fe195c33f794 14 DigitalOut led3(LED3);
jhunter029 0:57cec3469a80 15 DigitalOut led4(LED4);
coleandbrandon 1:fe195c33f794 16
coleandbrandon 1:fe195c33f794 17 // Create the interrupt receiver object on pin 26
coleandbrandon 1:fe195c33f794 18 InterruptIn interrupt(p26);
coleandbrandon 1:fe195c33f794 19
coleandbrandon 1:fe195c33f794 20 // Setup the i2c bus on pins 28 and 27
coleandbrandon 1:fe195c33f794 21 I2C i2c(p9, p10);
coleandbrandon 1:fe195c33f794 22
coleandbrandon 1:fe195c33f794 23 // Setup the Mpr121:
coleandbrandon 1:fe195c33f794 24 // constructor(i2c object, i2c address of the mpr121)
coleandbrandon 1:fe195c33f794 25 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
jhunter029 0:57cec3469a80 26
jhunter029 0:57cec3469a80 27 int count,ended,timeout;
jhunter029 0:57cec3469a80 28 char buf[2024];
jhunter029 0:57cec3469a80 29 char snd[1024];
jhunter029 0:57cec3469a80 30
coleandbrandon 2:ae7610f4867a 31 char ssid[32] = "SSID"; // enter WiFi router ssid inside the quotes
coleandbrandon 2:ae7610f4867a 32 char pwd [32] = "PASSWORD"; // enter WiFi router password inside the quotes
coleandbrandon 1:fe195c33f794 33
coleandbrandon 2:ae7610f4867a 34 int hold0,hold1,hold2,hold3 = 0; //signal variables for correct password
coleandbrandon 2:ae7610f4867a 35 int signal = 0; //signal for correct sequence
jhunter029 0:57cec3469a80 36
jhunter029 0:57cec3469a80 37 void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
jhunter029 0:57cec3469a80 38 void dev_recv()
jhunter029 0:57cec3469a80 39 {
jhunter029 0:57cec3469a80 40 led1 = !led1;
jhunter029 0:57cec3469a80 41 while(esp.readable()) {
jhunter029 0:57cec3469a80 42 pc.putc(esp.getc());
jhunter029 0:57cec3469a80 43 }
jhunter029 0:57cec3469a80 44 }
jhunter029 0:57cec3469a80 45
jhunter029 0:57cec3469a80 46 void pc_recv()
jhunter029 0:57cec3469a80 47 {
jhunter029 0:57cec3469a80 48 led4 = !led4;
jhunter029 0:57cec3469a80 49 while(pc.readable()) {
jhunter029 0:57cec3469a80 50 esp.putc(pc.getc());
jhunter029 0:57cec3469a80 51 }
jhunter029 0:57cec3469a80 52 }
coleandbrandon 1:fe195c33f794 53
coleandbrandon 2:ae7610f4867a 54 void fallInterrupt() { //code = 4180 (modify by changing "key_code == " statements in each if statement to be new passcode (add 1 each time)
coleandbrandon 1:fe195c33f794 55 int key_code=0;
coleandbrandon 1:fe195c33f794 56 int i=0;
coleandbrandon 1:fe195c33f794 57 int value=mpr121.read(0x00);
coleandbrandon 1:fe195c33f794 58 value +=mpr121.read(0x01)<<8;
coleandbrandon 1:fe195c33f794 59 // LED demo mod by J. Hamblen
coleandbrandon 1:fe195c33f794 60 //pc.printf("MPR value: %x \r\n", value);
coleandbrandon 1:fe195c33f794 61 i=0;
coleandbrandon 1:fe195c33f794 62 // puts key number out to LEDs for demo
coleandbrandon 1:fe195c33f794 63 for (i=0; i<12; i++) {
coleandbrandon 1:fe195c33f794 64 if (((value>>i)&0x01)==1) key_code=i+1;
coleandbrandon 1:fe195c33f794 65 }
coleandbrandon 1:fe195c33f794 66 if ((key_code ==5) && (hold0 == 0) && (hold1 == 0)&& (hold2 == 0) && (hold3 == 0)){
coleandbrandon 1:fe195c33f794 67 hold0 =1;}
coleandbrandon 1:fe195c33f794 68 if ((key_code ==2) && (hold0 == 1) && (hold1 == 0)&& (hold2 == 0) && (hold3 == 0)){
coleandbrandon 1:fe195c33f794 69 hold1 =1;}
coleandbrandon 1:fe195c33f794 70 if ((key_code ==9) && (hold0 == 1) && (hold1 == 1)&& (hold2 == 0) && (hold3 == 0)){
coleandbrandon 1:fe195c33f794 71 hold2 =1;}
coleandbrandon 1:fe195c33f794 72 if ((key_code ==1) && (hold0 == 1) && (hold1 == 1)&& (hold2 == 1) && (hold3 == 0)){
coleandbrandon 1:fe195c33f794 73 hold3 =1;}
coleandbrandon 1:fe195c33f794 74 if ((hold0 == 1) && (hold1 == 1)&& (hold2 == 1) && (hold3 == 1)) {
coleandbrandon 1:fe195c33f794 75 signal = 1;
coleandbrandon 1:fe195c33f794 76 }
coleandbrandon 1:fe195c33f794 77 }
coleandbrandon 1:fe195c33f794 78
jhunter029 0:57cec3469a80 79
jhunter029 0:57cec3469a80 80
jhunter029 0:57cec3469a80 81 int main()
jhunter029 0:57cec3469a80 82 {
coleandbrandon 1:fe195c33f794 83 //reset=0; //hardware reset for 8266
jhunter029 0:57cec3469a80 84 pc.baud(9600); // set what you want here depending on your terminal program speed
jhunter029 0:57cec3469a80 85 pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
jhunter029 0:57cec3469a80 86 wait(0.5);
coleandbrandon 1:fe195c33f794 87 //reset=1;
jhunter029 0:57cec3469a80 88 timeout=2;
jhunter029 0:57cec3469a80 89 getreply();
jhunter029 0:57cec3469a80 90
jhunter029 0:57cec3469a80 91 esp.baud(9600); // change this to the new ESP8266 baudrate if it is changed at any time.
jhunter029 0:57cec3469a80 92
jhunter029 0:57cec3469a80 93 //ESPsetbaudrate(); //****************** include this routine to set a different ESP8266 baudrate ******************
jhunter029 0:57cec3469a80 94
jhunter029 0:57cec3469a80 95 ESPconfig(); //****************** include Config to set the ESP8266 configuration ***********************
jhunter029 0:57cec3469a80 96
jhunter029 0:57cec3469a80 97
jhunter029 0:57cec3469a80 98
jhunter029 0:57cec3469a80 99 pc.attach(&pc_recv, Serial::RxIrq);
jhunter029 0:57cec3469a80 100 esp.attach(&dev_recv, Serial::RxIrq);
jhunter029 0:57cec3469a80 101
jhunter029 0:57cec3469a80 102 // continuosly get AP list and IP
jhunter029 0:57cec3469a80 103 while(1) {
jhunter029 0:57cec3469a80 104 sleep();
jhunter029 0:57cec3469a80 105 }
jhunter029 0:57cec3469a80 106
jhunter029 0:57cec3469a80 107 }
jhunter029 0:57cec3469a80 108
jhunter029 0:57cec3469a80 109 // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
jhunter029 0:57cec3469a80 110 void ESPsetbaudrate()
jhunter029 0:57cec3469a80 111 {
coleandbrandon 1:fe195c33f794 112 strcpy(snd, "AT+CIOBAUD=9600\r\n"); // change the numeric value to the required baudrate
jhunter029 0:57cec3469a80 113 SendCMD();
jhunter029 0:57cec3469a80 114 }
jhunter029 0:57cec3469a80 115
jhunter029 0:57cec3469a80 116 // +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
jhunter029 0:57cec3469a80 117 void ESPconfig()
jhunter029 0:57cec3469a80 118 {
jhunter029 0:57cec3469a80 119
jhunter029 0:57cec3469a80 120 wait(5);
jhunter029 0:57cec3469a80 121 pc.printf("\f---------- Starting ESP Config ----------\r\n\n");
jhunter029 0:57cec3469a80 122 strcpy(snd,".\r\n.\r\n");
jhunter029 0:57cec3469a80 123 SendCMD();
jhunter029 0:57cec3469a80 124 wait(1);
jhunter029 0:57cec3469a80 125 pc.printf("---------- Reset & get Firmware ----------\r\n");
jhunter029 0:57cec3469a80 126 strcpy(snd,"node.restart()\r\n");
jhunter029 0:57cec3469a80 127 SendCMD();
jhunter029 0:57cec3469a80 128 timeout=5;
jhunter029 0:57cec3469a80 129 getreply();
jhunter029 0:57cec3469a80 130 pc.printf(buf);
jhunter029 0:57cec3469a80 131
jhunter029 0:57cec3469a80 132 wait(2);
jhunter029 0:57cec3469a80 133
jhunter029 0:57cec3469a80 134 pc.printf("\n---------- Get Version ----------\r\n");
jhunter029 0:57cec3469a80 135 strcpy(snd,"print(node.info())\r\n");
jhunter029 0:57cec3469a80 136 SendCMD();
jhunter029 0:57cec3469a80 137 timeout=4;
jhunter029 0:57cec3469a80 138 getreply();
jhunter029 0:57cec3469a80 139 pc.printf(buf);
jhunter029 0:57cec3469a80 140
jhunter029 0:57cec3469a80 141 wait(3);
jhunter029 0:57cec3469a80 142
jhunter029 0:57cec3469a80 143 // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
jhunter029 0:57cec3469a80 144 pc.printf("\n---------- Setting Mode ----------\r\n");
jhunter029 0:57cec3469a80 145 strcpy(snd, "wifi.setmode(wifi.STATION)\r\n");
jhunter029 0:57cec3469a80 146 SendCMD();
jhunter029 0:57cec3469a80 147 timeout=4;
jhunter029 0:57cec3469a80 148 getreply();
jhunter029 0:57cec3469a80 149 pc.printf(buf);
jhunter029 0:57cec3469a80 150
jhunter029 0:57cec3469a80 151 wait(2);
jhunter029 0:57cec3469a80 152
jhunter029 0:57cec3469a80 153
jhunter029 0:57cec3469a80 154
jhunter029 0:57cec3469a80 155 pc.printf("\n---------- Listing Access Points ----------\r\n");
jhunter029 0:57cec3469a80 156 strcpy(snd, "function listap(t)\r\n");
jhunter029 0:57cec3469a80 157 SendCMD();
jhunter029 0:57cec3469a80 158 wait(1);
jhunter029 0:57cec3469a80 159 strcpy(snd, "for k,v in pairs(t) do\r\n");
jhunter029 0:57cec3469a80 160 SendCMD();
jhunter029 0:57cec3469a80 161 wait(1);
jhunter029 0:57cec3469a80 162 strcpy(snd, "print(k..\" : \"..v)\r\n");
jhunter029 0:57cec3469a80 163 SendCMD();
jhunter029 0:57cec3469a80 164 wait(1);
jhunter029 0:57cec3469a80 165 strcpy(snd, "end\r\n");
jhunter029 0:57cec3469a80 166 SendCMD();
jhunter029 0:57cec3469a80 167 wait(1);
jhunter029 0:57cec3469a80 168 strcpy(snd, "end\r\n");
jhunter029 0:57cec3469a80 169 SendCMD();
jhunter029 0:57cec3469a80 170 wait(1);
jhunter029 0:57cec3469a80 171 strcpy(snd, "wifi.sta.getap(listap)\r\n");
jhunter029 0:57cec3469a80 172 SendCMD();
jhunter029 0:57cec3469a80 173 wait(1);
jhunter029 0:57cec3469a80 174 timeout=15;
jhunter029 0:57cec3469a80 175 getreply();
jhunter029 0:57cec3469a80 176 pc.printf(buf);
jhunter029 0:57cec3469a80 177
jhunter029 0:57cec3469a80 178 wait(2);
jhunter029 0:57cec3469a80 179
jhunter029 0:57cec3469a80 180 pc.printf("\n---------- Connecting to AP ----------\r\n");
jhunter029 0:57cec3469a80 181 pc.printf("ssid = %s pwd = %s\r\n",ssid,pwd);
jhunter029 0:57cec3469a80 182 strcpy(snd, "wifi.sta.config(\"");
jhunter029 0:57cec3469a80 183 strcat(snd, ssid);
jhunter029 0:57cec3469a80 184 strcat(snd, "\",\"");
jhunter029 0:57cec3469a80 185 strcat(snd, pwd);
jhunter029 0:57cec3469a80 186 strcat(snd, "\")\r\n");
jhunter029 0:57cec3469a80 187 SendCMD();
jhunter029 0:57cec3469a80 188 timeout=10;
jhunter029 0:57cec3469a80 189 getreply();
jhunter029 0:57cec3469a80 190 pc.printf(buf);
jhunter029 0:57cec3469a80 191
jhunter029 0:57cec3469a80 192 wait(5);
jhunter029 0:57cec3469a80 193
jhunter029 0:57cec3469a80 194 pc.printf("\n---------- Get IP's ----------\r\n");
jhunter029 0:57cec3469a80 195 strcpy(snd, "print(wifi.sta.getip())\r\n");
jhunter029 0:57cec3469a80 196 SendCMD();
jhunter029 0:57cec3469a80 197 timeout=3;
jhunter029 0:57cec3469a80 198 getreply();
jhunter029 0:57cec3469a80 199 pc.printf(buf);
jhunter029 0:57cec3469a80 200
jhunter029 0:57cec3469a80 201 wait(1);
jhunter029 0:57cec3469a80 202
jhunter029 0:57cec3469a80 203 pc.printf("\n---------- Get Connection Status ----------\r\n");
jhunter029 0:57cec3469a80 204 strcpy(snd, "print(wifi.sta.status())\r\n");
jhunter029 0:57cec3469a80 205 SendCMD();
jhunter029 0:57cec3469a80 206 timeout=5;
jhunter029 0:57cec3469a80 207 getreply();
jhunter029 0:57cec3469a80 208 pc.printf(buf);
jhunter029 0:57cec3469a80 209
jhunter029 0:57cec3469a80 210 pc.printf("\n\n\n If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
jhunter029 0:57cec3469a80 211 pc.printf(" Run this if you want to reconfig the ESP8266 at any time.\r\n");
jhunter029 0:57cec3469a80 212 pc.printf(" It saves the SSID and password settings internally\r\n");
jhunter029 0:57cec3469a80 213 wait(10);
jhunter029 0:57cec3469a80 214
jhunter029 0:57cec3469a80 215
jhunter029 0:57cec3469a80 216 pc.printf("\n---------- Setting up http server ----------\r\n");
jhunter029 0:57cec3469a80 217 strcpy(snd, "srv=net.createServer(net.TCP)\r\n");
jhunter029 0:57cec3469a80 218 SendCMD();
jhunter029 0:57cec3469a80 219 wait(1);
jhunter029 0:57cec3469a80 220 strcpy(snd, "srv:listen(80,function(conn)\r\n");
jhunter029 0:57cec3469a80 221 SendCMD();
jhunter029 0:57cec3469a80 222 wait(1);
jhunter029 0:57cec3469a80 223 strcpy(snd, "conn:on(\"receive\",function(conn,payload)\r\n");
jhunter029 0:57cec3469a80 224 SendCMD();
jhunter029 0:57cec3469a80 225 wait(1);
jhunter029 0:57cec3469a80 226 strcpy(snd, "print(payload)\r\n");
jhunter029 0:57cec3469a80 227 SendCMD();
jhunter029 0:57cec3469a80 228 wait(1);
jhunter029 0:57cec3469a80 229
jhunter029 0:57cec3469a80 230 strcpy(snd, "conn:send(\"<!DOCTYPE html>\")\r\n");
jhunter029 0:57cec3469a80 231 SendCMD();
jhunter029 0:57cec3469a80 232 wait(1);
jhunter029 0:57cec3469a80 233
jhunter029 0:57cec3469a80 234 strcpy(snd, "conn:send(\"<html>\")\r\n");
jhunter029 0:57cec3469a80 235 SendCMD();
jhunter029 0:57cec3469a80 236 wait(1);
jhunter029 0:57cec3469a80 237
coleandbrandon 1:fe195c33f794 238 strcpy(snd, "conn:send(\"<h1> Password Test</h1>\")\r\n");
jhunter029 0:57cec3469a80 239 SendCMD();
jhunter029 0:57cec3469a80 240 wait(1);
jhunter029 0:57cec3469a80 241
coleandbrandon 1:fe195c33f794 242 //the good stuff
coleandbrandon 1:fe195c33f794 243 interrupt.fall(&fallInterrupt);
coleandbrandon 1:fe195c33f794 244 interrupt.mode(PullUp);
coleandbrandon 1:fe195c33f794 245
coleandbrandon 2:ae7610f4867a 246 pc.printf("ENTER YOUR PASSWORD IN THE NEXT 10 SECONDS!");
coleandbrandon 1:fe195c33f794 247 wait(10);
coleandbrandon 1:fe195c33f794 248
coleandbrandon 1:fe195c33f794 249 if (signal ==1){
coleandbrandon 1:fe195c33f794 250 led1 = 1;
coleandbrandon 2:ae7610f4867a 251 strcpy(snd, "conn:send(\"<h1> UNLOCKED!</h1>\")\r\n");
coleandbrandon 1:fe195c33f794 252 SendCMD();
coleandbrandon 1:fe195c33f794 253 }
coleandbrandon 1:fe195c33f794 254 else {
coleandbrandon 2:ae7610f4867a 255 strcpy(snd, "conn:send(\"<h1> REJECTED!</h1>\")\r\n");
coleandbrandon 1:fe195c33f794 256 SendCMD();
coleandbrandon 1:fe195c33f794 257 }
coleandbrandon 1:fe195c33f794 258
jhunter029 0:57cec3469a80 259
jhunter029 0:57cec3469a80 260 strcpy(snd, "conn:send(\"</html>\")\r\n");
jhunter029 0:57cec3469a80 261 SendCMD();
jhunter029 0:57cec3469a80 262 wait(1);
jhunter029 0:57cec3469a80 263
jhunter029 0:57cec3469a80 264 strcpy(snd, "end)\r\n");
jhunter029 0:57cec3469a80 265 SendCMD();
jhunter029 0:57cec3469a80 266 wait(1);
jhunter029 0:57cec3469a80 267
jhunter029 0:57cec3469a80 268 strcpy(snd, "conn:on(\"sent\",function(conn) conn:close() end)\r\n");
jhunter029 0:57cec3469a80 269 SendCMD();
jhunter029 0:57cec3469a80 270 wait(1);
jhunter029 0:57cec3469a80 271 strcpy(snd, "end)\r\n");
jhunter029 0:57cec3469a80 272 SendCMD();
jhunter029 0:57cec3469a80 273 wait(1);
jhunter029 0:57cec3469a80 274 timeout=17;
jhunter029 0:57cec3469a80 275 getreply();
jhunter029 0:57cec3469a80 276 pc.printf(buf);
jhunter029 0:57cec3469a80 277 pc.printf("\r\nDONE");
jhunter029 0:57cec3469a80 278 }
jhunter029 0:57cec3469a80 279
jhunter029 0:57cec3469a80 280 void SendCMD()
jhunter029 0:57cec3469a80 281 {
jhunter029 0:57cec3469a80 282 esp.printf("%s", snd);
jhunter029 0:57cec3469a80 283 }
jhunter029 0:57cec3469a80 284
jhunter029 0:57cec3469a80 285 void getreply()
jhunter029 0:57cec3469a80 286 {
jhunter029 0:57cec3469a80 287 memset(buf, '\0', sizeof(buf));
jhunter029 0:57cec3469a80 288 t.start();
jhunter029 0:57cec3469a80 289 ended=0;
jhunter029 0:57cec3469a80 290 count=0;
jhunter029 0:57cec3469a80 291 while(!ended) {
jhunter029 0:57cec3469a80 292 if(esp.readable()) {
jhunter029 0:57cec3469a80 293 buf[count] = esp.getc();
jhunter029 0:57cec3469a80 294 count++;
jhunter029 0:57cec3469a80 295 }
jhunter029 0:57cec3469a80 296 if(t.read() > timeout) {
jhunter029 0:57cec3469a80 297 ended = 1;
jhunter029 0:57cec3469a80 298 t.stop();
jhunter029 0:57cec3469a80 299 t.reset();
jhunter029 0:57cec3469a80 300 }
jhunter029 0:57cec3469a80 301 }
jhunter029 0:57cec3469a80 302 }
jhunter029 0:57cec3469a80 303
jhunter029 0:57cec3469a80 304