Use the touchpad to enter a passcode, which is either confirmed or rejected, and is displayed on a webpage.
Fork of huzzah_helloWorld by
main.cpp
- Committer:
- coleandbrandon
- Date:
- 2016-03-16
- Revision:
- 2:ae7610f4867a
- Parent:
- 1:fe195c33f794
File content as of revision 2:ae7610f4867a:
#include "mbed.h" #include <string> #include <list> #include <mpr121.h> Serial pc(USBTX, USBRX); Serial esp(p28, p27); // tx, rx Timer t; Timer t1; Timer t2; DigitalOut led1(LED1); DigitalOut led2(LED2); DigitalOut led3(LED3); DigitalOut led4(LED4); // Create the interrupt receiver object on pin 26 InterruptIn interrupt(p26); // Setup the i2c bus on pins 28 and 27 I2C i2c(p9, p10); // Setup the Mpr121: // constructor(i2c object, i2c address of the mpr121) Mpr121 mpr121(&i2c, Mpr121::ADD_VSS); int count,ended,timeout; char buf[2024]; char snd[1024]; char ssid[32] = "SSID"; // enter WiFi router ssid inside the quotes char pwd [32] = "PASSWORD"; // enter WiFi router password inside the quotes int hold0,hold1,hold2,hold3 = 0; //signal variables for correct password int signal = 0; //signal for correct sequence void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(); void dev_recv() { led1 = !led1; while(esp.readable()) { pc.putc(esp.getc()); } } void pc_recv() { led4 = !led4; while(pc.readable()) { esp.putc(pc.getc()); } } void fallInterrupt() { //code = 4180 (modify by changing "key_code == " statements in each if statement to be new passcode (add 1 each time) int key_code=0; int i=0; int value=mpr121.read(0x00); value +=mpr121.read(0x01)<<8; // LED demo mod by J. Hamblen //pc.printf("MPR value: %x \r\n", value); i=0; // puts key number out to LEDs for demo for (i=0; i<12; i++) { if (((value>>i)&0x01)==1) key_code=i+1; } if ((key_code ==5) && (hold0 == 0) && (hold1 == 0)&& (hold2 == 0) && (hold3 == 0)){ hold0 =1;} if ((key_code ==2) && (hold0 == 1) && (hold1 == 0)&& (hold2 == 0) && (hold3 == 0)){ hold1 =1;} if ((key_code ==9) && (hold0 == 1) && (hold1 == 1)&& (hold2 == 0) && (hold3 == 0)){ hold2 =1;} if ((key_code ==1) && (hold0 == 1) && (hold1 == 1)&& (hold2 == 1) && (hold3 == 0)){ hold3 =1;} if ((hold0 == 1) && (hold1 == 1)&& (hold2 == 1) && (hold3 == 1)) { signal = 1; } } int main() { //reset=0; //hardware reset for 8266 pc.baud(9600); // set what you want here depending on your terminal program speed pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r"); wait(0.5); //reset=1; timeout=2; getreply(); esp.baud(9600); // change this to the new ESP8266 baudrate if it is changed at any time. //ESPsetbaudrate(); //****************** include this routine to set a different ESP8266 baudrate ****************** ESPconfig(); //****************** include Config to set the ESP8266 configuration *********************** pc.attach(&pc_recv, Serial::RxIrq); esp.attach(&dev_recv, Serial::RxIrq); // continuosly get AP list and IP while(1) { sleep(); } } // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed void ESPsetbaudrate() { strcpy(snd, "AT+CIOBAUD=9600\r\n"); // change the numeric value to the required baudrate SendCMD(); } // +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++ void ESPconfig() { wait(5); pc.printf("\f---------- Starting ESP Config ----------\r\n\n"); strcpy(snd,".\r\n.\r\n"); SendCMD(); wait(1); pc.printf("---------- Reset & get Firmware ----------\r\n"); strcpy(snd,"node.restart()\r\n"); SendCMD(); timeout=5; getreply(); pc.printf(buf); wait(2); pc.printf("\n---------- Get Version ----------\r\n"); strcpy(snd,"print(node.info())\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(3); // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station) pc.printf("\n---------- Setting Mode ----------\r\n"); strcpy(snd, "wifi.setmode(wifi.STATION)\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n---------- Listing Access Points ----------\r\n"); strcpy(snd, "function listap(t)\r\n"); SendCMD(); wait(1); strcpy(snd, "for k,v in pairs(t) do\r\n"); SendCMD(); wait(1); strcpy(snd, "print(k..\" : \"..v)\r\n"); SendCMD(); wait(1); strcpy(snd, "end\r\n"); SendCMD(); wait(1); strcpy(snd, "end\r\n"); SendCMD(); wait(1); strcpy(snd, "wifi.sta.getap(listap)\r\n"); SendCMD(); wait(1); timeout=15; getreply(); pc.printf(buf); wait(2); pc.printf("\n---------- Connecting to AP ----------\r\n"); pc.printf("ssid = %s pwd = %s\r\n",ssid,pwd); strcpy(snd, "wifi.sta.config(\""); strcat(snd, ssid); strcat(snd, "\",\""); strcat(snd, pwd); strcat(snd, "\")\r\n"); SendCMD(); timeout=10; getreply(); pc.printf(buf); wait(5); pc.printf("\n---------- Get IP's ----------\r\n"); strcpy(snd, "print(wifi.sta.getip())\r\n"); SendCMD(); timeout=3; getreply(); pc.printf(buf); wait(1); pc.printf("\n---------- Get Connection Status ----------\r\n"); strcpy(snd, "print(wifi.sta.status())\r\n"); SendCMD(); timeout=5; getreply(); pc.printf(buf); pc.printf("\n\n\n If you get a valid (non zero) IP, ESP8266 has been set up.\r\n"); pc.printf(" Run this if you want to reconfig the ESP8266 at any time.\r\n"); pc.printf(" It saves the SSID and password settings internally\r\n"); wait(10); pc.printf("\n---------- Setting up http server ----------\r\n"); strcpy(snd, "srv=net.createServer(net.TCP)\r\n"); SendCMD(); wait(1); strcpy(snd, "srv:listen(80,function(conn)\r\n"); SendCMD(); wait(1); strcpy(snd, "conn:on(\"receive\",function(conn,payload)\r\n"); SendCMD(); wait(1); strcpy(snd, "print(payload)\r\n"); SendCMD(); wait(1); strcpy(snd, "conn:send(\"<!DOCTYPE html>\")\r\n"); SendCMD(); wait(1); strcpy(snd, "conn:send(\"<html>\")\r\n"); SendCMD(); wait(1); strcpy(snd, "conn:send(\"<h1> Password Test</h1>\")\r\n"); SendCMD(); wait(1); //the good stuff interrupt.fall(&fallInterrupt); interrupt.mode(PullUp); pc.printf("ENTER YOUR PASSWORD IN THE NEXT 10 SECONDS!"); wait(10); if (signal ==1){ led1 = 1; strcpy(snd, "conn:send(\"<h1> UNLOCKED!</h1>\")\r\n"); SendCMD(); } else { strcpy(snd, "conn:send(\"<h1> REJECTED!</h1>\")\r\n"); SendCMD(); } strcpy(snd, "conn:send(\"</html>\")\r\n"); SendCMD(); wait(1); strcpy(snd, "end)\r\n"); SendCMD(); wait(1); strcpy(snd, "conn:on(\"sent\",function(conn) conn:close() end)\r\n"); SendCMD(); wait(1); strcpy(snd, "end)\r\n"); SendCMD(); wait(1); timeout=17; getreply(); pc.printf(buf); pc.printf("\r\nDONE"); } void SendCMD() { esp.printf("%s", snd); } void getreply() { memset(buf, '\0', sizeof(buf)); t.start(); ended=0; count=0; while(!ended) { if(esp.readable()) { buf[count] = esp.getc(); count++; } if(t.read() > timeout) { ended = 1; t.stop(); t.reset(); } } }