Diff: main.cpp

Revision:

0:009a138526c5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 08 23:27:29 2015 +0000
@@ -0,0 +1,211 @@
+#include "mbed.h"
+#include "rtos.h"
+#include <string>
+#include <stdlib.h>
+#include "SongPlayer.h"
+#include "Speaker.h"
+#include "EthernetInterface.h"
+
+// mbed LEDs
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+// door lock (led)
+DigitalOut doorlock(p21);
+
+//IR sensor
+AnalogIn IrSensor(p16);
+
+//speaker
+SongPlayer mySpeaker(p22);
+Speaker NotePlayer(p22);
+
+// serial PC communication
+Serial pc(USBTX, USBRX);
+
+// ethernet connection
+EthernetInterface eth;
+    
+
+// ** STATE MACHINE ** //
+volatile enum Statetype { Armed = 0, IR_sensed = 1, Second_Step = 2, Cleared = 3, Alarm_ON = 4};
+Statetype state = Armed;
+Statetype mbed0_state;
+
+
+// ** GLOBAL VARIABLES ** //
+volatile float IrVoltage = 0.0;
+float note[18]= {1568.0,1396.9};
+float duration[18]= {0.48,0.24};
+
+Semaphore Consul_Access(5);
+Mutex mbed2_state_change;
+
+//thread prototypes
+void IR_thread(void const *args);
+void Speaker_thread(void const *args);
+void Door_thread(void const *args);
+//function prototypes
+void Ethernet_update_server();
+void reset_server();
+
+
+int main() {
+    pc.baud(9600);
+    pc.printf("MBED 2 is Starting....**********************************************************************************************************************************\r\n");
+    wait(3);
+    //pc.printf("Getting IP....\n\rIP Address is: %s\n\r", eth.getIPAddress());
+    
+    Thread IRthread(IR_thread);
+    Thread Speakerthread(Speaker_thread);
+    Thread DoorUnlocker(Door_thread);
+    wait(3);
+    
+    //ethernet thread runs in main
+    char buffer[300];
+    char http_cmd[100] = "GET http://www.dreamphysix.com/alarm/readstatus.php?mbedID=0 HTTP/1.0\n\n";
+    int ret,found,dummy;
+    eth.init(); //Use DHCP
+    eth.connect();
+    TCPSocketConnection sock;
+    
+
+    reset_server();
+    
+    while(1){
+        Thread::wait(1000);
+        sock.connect("dreamphysix.com", 80);
+        sock.send_all(http_cmd, sizeof(http_cmd)-1);
+        while (true) {
+            ret = sock.receive(buffer, sizeof(buffer)-1);
+            if (ret <= 0)
+                break;
+            buffer[ret] = '\0';
+            Consul_Access.wait();
+            pc.printf("Received %d chars from server:\n%s\n", ret, buffer);
+            Consul_Access.release();
+        }
+        sock.close();
+        string str(buffer);
+        found = str.find("Status=");
+        dummy = (buffer[found+7])-48;
+        mbed0_state = (Statetype)dummy;
+        mbed2_state_change.lock();
+        if(state != mbed0_state)
+            state = mbed0_state;
+        mbed2_state_change.unlock();
+        pc.printf("mbed0 state: %i\n\r",mbed0_state);
+        pc.printf("mbed2 state: %i\n\r",state);
+    }
+    
+}
+
+///////////////////
+// ** THREADS ** //
+///////////////////
+
+void IR_thread(void const *args) {
+    
+    Timer t;
+    t.start(); 
+    
+    while(1) {
+        
+        if (state == Armed) {
+            IrVoltage=IrSensor.read();
+            if (IrVoltage <= 0.1) { //if value just nois reset timer
+                t.reset();
+                state = Armed;
+            }
+            if (t.read() >= 5) { //wait 5 seconds to make sure that sense someone 
+                mbed2_state_change.lock();
+                state = Alarm_ON;
+                Ethernet_update_server();
+                mbed2_state_change.unlock();
+            }
+            Thread::wait(1000);
+        }
+        else {
+            //nothing to do for this thread make space for others
+            Thread::wait(1000);
+        }
+    }
+}
+
+void Speaker_thread(void const *args) {
+    while (1) {
+    if (state == Alarm_ON) {
+        mySpeaker.PlaySong(note,duration);
+        Thread::wait(1000); 
+        }
+    }
+}
+
+void Door_thread(void const *args){
+    while(1){
+        if(state == Cleared){
+            doorlock = 1;
+            wait(5);
+            doorlock = 0;
+        }
+        else
+            Thread::wait(1000);
+    }
+}
+
+
+///////////////////////////////
+//      ** FUNCTIONS  **     //
+///////////////////////////////
+
+void Ethernet_update_server(){
+    char buffer[300];
+    int ret;
+    
+    TCPSocketConnection sock;
+    sock.connect("dreamphysix.com", 80);
+    
+    
+    char tempStatus[2];
+    snprintf(tempStatus, sizeof(tempStatus), "%i", state);
+    char http_cmd[100] = "GET http://www.dreamphysix.com/alarm/updatestatus.php?mbedID=2";
+    strcat(http_cmd, "&status=");
+    strcat(http_cmd, tempStatus);
+    strcat(http_cmd, " HTTP/1.0\n\n");
+    pc.printf("%s",http_cmd);
+    sock.send_all(http_cmd, sizeof(http_cmd)-1);
+    
+    while (true) {
+        ret = sock.receive(buffer, sizeof(buffer)-1);
+        if (ret <= 0)
+            break;
+        buffer[ret] = '\0';
+        Consul_Access.wait();
+        pc.printf("Received %d chars from server:\n%s\n", ret, buffer);
+        Consul_Access.release();
+    }
+    sock.close();
+    snprintf(buffer, ret, "%c",buffer);
+}
+
+void reset_server(){
+    pc.printf("I was called");
+    char buffer[300];
+    int ret;
+    TCPSocketConnection sock;
+    sock.connect("dreamphysix.com", 80);
+    char http_cmd[100] = "GET http://www.dreamphysix.com/alarm/updatestatus.php?mbedID=0&status=0 HTTP/1.0\n\n";
+    sock.send_all(http_cmd, sizeof(http_cmd)-1);
+    while (true) {
+        ret = sock.receive(buffer, sizeof(buffer)-1);
+        if (ret <= 0)
+            break;
+        buffer[ret] = '\0';
+        Consul_Access.wait();
+        pc.printf("Received %d chars from server ABSDDJAJDJAJSJD:\n%s\n", ret, buffer);
+        Consul_Access.release();
+    }
+    sock.close();
+}
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