Taylor Meares
This code creates a WiFi DoorLock
Dependencies: 4DGL-uLCD-SE ESP8266-WEB-Mbed-LPC1768-Controller Servo mbed
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ESP8266-WEB-Mbed-LPC1768-Controller
by 
jim hamblen
Diff: main.cpp
- Revision:
- 5:3a405e2f4ad1
- Parent:
- 4:40dd020463ea
--- a/main.cpp Fri Aug 28 01:37:50 2015 +0000
+++ b/main.cpp Fri Oct 23 10:55:38 2015 +0000
@@ -1,31 +1,17 @@
// ESP8266 Static page WEB server to control Mbed
+// http://192.168.43.200
#include "mbed.h"
-//#include "DS18B20.h"
+#include "Servo.h"
+#include "uLCD_4DGL.h"
Serial pc(USBTX, USBRX);
-Serial esp(p28, p27); // tx, rx
-
-//DS18B20 thermom(A0, DS18B20::RES_12_BIT);
-
-// Standard Mbed LED definitions
-DigitalOut led1(LED1); // (PTB18)
-DigitalOut led2(LED2); // (PTB19)
-DigitalOut led3(LED3); // (PTD1)
+Serial esp(p9, p10); // tx, rx
+uLCD_4DGL lcd(p28, p27, p29);
-// Digital Out and In pins, can be configured to any suitable pin depending on Platform
-DigitalOut Out1(p6);
-DigitalOut Out2(p7);
-DigitalOut Out3(p8);
-DigitalOut reset(p26);
+Servo door_lock(p22);
+int locked = 0;
-DigitalIn In1(p9);
-DigitalIn In2(p10);
-DigitalIn In3(p11);
-
-PwmOut speaker(p21);
-AnalogIn Ain1(p18);
-AnalogIn Ain2(p19);
Timer t1;
Timer t2;
@@ -51,7 +37,8 @@
char webbuff[4096]; // Currently using 1986 characters, Increase this if more web page data added
void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck();
-void gettime(),gettemp(),getbattery(),setRTC(),beep();
+void gettime(),setRTC();
+void processLock();
// manual set RTC values
int minute =00; // 0-59
@@ -66,26 +53,26 @@
// Serial Interrupt read ESP data
void callback()
{
- led3=1;
while (esp.readable()) {
webbuff[count] = esp.getc();
count++;
}
if(strlen(webbuff)>bufflen) {
DataRX=1;
- led3=0;
}
}
int main()
{
- reset=0;
pc.baud(115200);
+ lcd.baudrate(3000000);
+ lcd.background_color(0);
+ lcd.cls();
+
+ lcd.printf("Initializing...");
pc.printf("\f\n\r------------ ESP8266 Hardware Reset --------------\n\r");
wait(0.5);
- reset=1;
- led1=1,led2=0,led3=0;
timeout=6000;
getcount=500;
getreply();
@@ -93,13 +80,13 @@
if (time(NULL) < 1420070400) {
setRTC();
}
- beep();
startserver();
+ lcd.cls();
+ lcd.printf("Finished Setup: Door is unlocked");
while(1) {
if(DataRX==1) {
ReadWebData();
- beep();
if (servreq == 1 && weberror == 0) {
sendpage();
}
@@ -116,15 +103,13 @@
// Static WEB page
void sendpage()
{
- gettemp();
- getbattery();
gettime();
// WEB page data
strcpy(webbuff, "<!DOCTYPE html>");
- strcat(webbuff, "<html><head><title>ESP8266 Mbed LPC1768</title></head>");
+ strcat(webbuff, "<html><head><title>Internet-enabled Door Lock</title></head>");
strcat(webbuff, "<body>");
- strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP8266 Mbed IoT Web Controller</h1>");
+ strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>Door Lock Web Controller</h1>");
strcat(webbuff, "Hit Count - ");
strcat(webbuff, webcount);
strcat(webbuff, "<br>Last Hit - ");
@@ -133,53 +118,13 @@
strcat(webbuff, "<h3>Mbed RTC Time -  ");
strcat(webbuff, timebuf);
strcat(webbuff, "</h3>\r\n");
- strcat(webbuff, "<p><form method=\"POST\"><strong> Analog 1:  <input type=\"text\" size=6 value=\"");
- strcat(webbuff, Temp);
- strcat(webbuff, "\"> </sup>V <form method=\"POST\"> <strong>   Analog 2:  <input type=\"text\" size=4 value=\"");
- strcat(webbuff, Vcc);
- strcat(webbuff, "\"> </sup>V");
- if(led1==0) {
- strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" checked> LED 1 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" > LED 1 on");
- } else {
- strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" > LED 1 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" checked> LED 1 on");
- }
- if(Out1==0) {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" checked> Digital Out 1 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" > Digital Out 1 on");
- } else {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out1\" value=\"0\" > Digital Out 1 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out1\" value=\"1\" checked> Digital Out 1 on");
- }
- if(Out2==0) {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" checked> Digital Out 2 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" > Digital Out 2 on");
+ strcat(webbuff, "<p><form method=\"POST\">");
+ if(locked==0) {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"locked\" value=\"0\" checked> Door Unlocked");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"locked\" value=\"1\" > Door Locked");
} else {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out2\" value=\"0\" > Digital Out 2 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out2\" value=\"1\" checked> Digital Out 2 on");
- }
- if(Out3==0) {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" checked> Digital Out 3 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" > Digital Out 3 on");
- } else {
- strcat(webbuff, "<p><input type=\"radio\" name=\"Out3\" value=\"0\" > Digital Out 3 off");
- strcat(webbuff, "<br><input type=\"radio\" name=\"Out3\" value=\"1\" checked> Digital Out 3 on");
- }
- if(In1==0) {
- strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"0\" > Digital In 1");
- } else {
- strcat(webbuff, "<p><input type=\"radio\" name=\"In1\" value=\"1\" checked> Digital In 1");
- }
- if(In2==0) {
- strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"0\" > Digital In 2");
- } else {
- strcat(webbuff, "<br><input type=\"radio\" name=\"In2\" value=\"1\" checked> Digital In 2");
- }
- if(In3==0) {
- strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"0\" > Digital In 3");
- } else {
- strcat(webbuff, "<br><input type=\"radio\" name=\"In3\" value=\"1\" checked> Digital In 3");
+ strcat(webbuff, "<p><input type=\"radio\" name=\"locked\" value=\"0\" > Door Unlocked");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"locked\" value=\"1\" checked> Door Locked");
}
strcat(webbuff, "</strong><p><input type=\"submit\" value=\"send-refresh\" style=\"background: #3498db;");
strcat(webbuff, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);");
@@ -258,29 +203,11 @@
strcpy(webdata, webbuff + x);
weberror=0;
int numMatched = sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type);
- if( strstr(webdata, "led1=1") != NULL ) {
- led1=1;
- }
- if( strstr(webdata, "led1=0") != NULL ) {
- led1=0;
- }
- if( strstr(webdata, "Out1=1") != NULL ) {
- Out1=1;
- }
- if( strstr(webdata, "Out1=0") != NULL ) {
- Out1=0;
+ if( strstr(webdata, "locked=0") != NULL ) {
+ locked = 0;
}
- if( strstr(webdata, "Out2=1") != NULL ) {
- Out2=1;
- }
- if( strstr(webdata, "Out2=0") != NULL ) {
- Out2=0;
- }
- if( strstr(webdata, "Out3=1") != NULL ) {
- Out3=1;
- }
- if( strstr(webdata, "Out3=0") != NULL ) {
- Out3=0;
+ if( strstr(webdata, "locked=1") != NULL ) {
+ locked = 1;
}
sprintf(channel, "%d",linkID);
if (strstr(webdata, "GET") != NULL) {
@@ -296,11 +223,12 @@
esp.attach(&callback);
weberror=1;
}
+
+ processLock();
}
// Starts and restarts webserver if errors detected.
void startserver()
{
- gettemp();
gettime();
pc.printf("\n\n RTC time %s\r\n\n",timebuf);
pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
@@ -350,7 +278,6 @@
//char* IP = replybuff + 5;
sprintf(webdata,"%s", replybuff);
pc.printf(webdata);
- led2=1;
bufflen=200;
count=0;
pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
@@ -361,7 +288,6 @@
}
t2.reset();
t2.start();
- beep();
}
// ESP Command data send
void SendCMD()
@@ -394,21 +320,7 @@
}
t1.stop();
}
-// Analog in example
-void getbattery()
-{
- AdcIn=Ain1.read();
- Ht = (AdcIn*3.3); // set the numeric to the exact MCU analog reference voltage for greater accuracy
- sprintf(Vcc,"%2.3f",Ht);
-}
-// Temperature example
-void gettemp()
-{
-
- AdcIn=Ain2.read();
- Ht = (AdcIn*3.3); // set the numeric to the exact MCU analog reference voltage for greater accuracy
- sprintf(Temp,"%2.3f",Ht);
-}
+
// Get RTC time
void gettime()
{
@@ -416,14 +328,6 @@
strftime(timebuf,50,"%H:%M:%S %a %d %b %y", localtime(&seconds));
}
-void beep()
-{
- speaker.period(1.0/2000); // 2000hz period
- speaker = 0.5; //50% duty cycle - max volume
- wait_ms(60);
- speaker=0.0; // turn off audio
-}
-
void setRTC()
{
t.tm_sec = (0); // 0-59
@@ -434,3 +338,15 @@
t.tm_year = ((year)+100); // year since 1900, current DCF year + 100 + 1900 = correct year
set_time(mktime(&t)); // set RTC clock
}
+
+void processLock()
+{
+ lcd.cls();
+ if(locked == 1) {
+ door_lock.write(0.0);
+ lcd.printf("Door is Locked");
+ } else {
+ door_lock.write(0.5);
+ lcd.printf("Door is unlocked");
+ }
+}
\ No newline at end of file