Diff: main.cpp

Revision:

2:b15847b47f78

Parent:

1:9ae2041887fa

Child:

3:13b54c5c407c

--- a/main.cpp	Wed Mar 27 18:16:27 2013 +0000
+++ b/main.cpp	Fri Apr 05 01:47:23 2013 +0000
@@ -9,6 +9,15 @@
 AnalogIn t(p19);        //TMP36 is connected here
 AnalogIn l(p18);
 DigitalIn PIR(p17);
+PwmOut dimmer(p22);
+PwmOut servo(p24);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut myled4(LED4);
+DigitalIn cam(p16);
+
+extern "C" void mbed_reset();
 
 /* wifly object where:
 *     - p9 and p10 are for the serial communication
@@ -20,6 +29,26 @@
 */
 WiflyInterface wifly(p9, p10, p25, p26, "solarskin", "solarskin", WPA);
 
+class Watchdog {
+public:
+// Load timeout value in watchdog timer and enable
+    void kick(float s) {
+        LPC_WDT->WDCLKSEL = 0x1;                // Set CLK src to PCLK
+        uint32_t clk = SystemCoreClock / 16;    // WD has a fixed /4 prescaler, PCLK default is /4
+        LPC_WDT->WDTC = s * (float)clk;
+        LPC_WDT->WDMOD = 0x3;                   // Enabled and Reset
+        kick();
+    }
+// "kick" or "feed" the dog - reset the watchdog timer
+// by writing this required bit pattern
+    void kick() {
+        LPC_WDT->WDFEED = 0xAA;
+        LPC_WDT->WDFEED = 0x55;
+    }
+};
+
+Watchdog wdt;
+
 int main (void)
 {
     wifly.init(); // use DHCP
@@ -27,70 +56,150 @@
     printf("IP Address is %s\n\r", wifly.getIPAddress());
     
     TCPSocketServer server;
+    server.set_blocking(false, 1500);
     server.bind(ECHO_SERVER_PORT);
     server.listen();
-
+    
+     
+        
     printf("\nWait for new connection...\n");
     TCPSocketConnection client;
     server.accept(client);
-
+    client.set_blocking(false,1500);
+    wdt.kick(10.0);
+    
     char buffer[256];
+    char b='0';
     char data[256];
     float temp_c;
+    char fan = '0';
+    char camera = '0';
+    int count=0;
     float range;
     int packet_no=1;
-    int flag=0;
-    char motion = 'N';
+    char motion = '0';
+    int n = 9;
     
     while (true) {
             
-            server.set_blocking(false, 100);
-            int n = client.receive(buffer, sizeof(buffer));
-            printf("\r N = %d\n",n);
-            if(n>6)
-             {
-                flag=1;
-             }
-            if (n <= 0) break;
             
+            if(!PIR){
+                led3 = 1;
+                motion = '1';
+            }
+            else 
+            {
+                led3=0;
+                motion = '0';
+            }
+            if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
             temp_c=(t.read()*330.0)-50;
             printf("\rtemp is%d\n",(int)temp_c);
-            
+            if(!PIR){
+                led3 = 1;
+                motion = '1';
+            }
+            else 
+            {
+                led3=0;
+                motion = '0';
+            }
+            if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
             float light = l.read_u16();
             printf("\rlight value is %f\n",light);
-            
+            if(!PIR){
+                led3 = 1;
+                motion = '1';
+            }
+            else 
+            {
+                led3=0;
+                motion = '0';
+            }
+            if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
             Pinger.Send();    
             wait_ms(30);
             range = Pinger.Read_cm();
             
             if(!PIR){
-                motion = 'Y';
+                led3 = 1;
+                motion = '1';
+            }
+            else 
+            {
+                led3=0;
+                motion = '0';
             }
-            else motion = 'N';
-            
-            if (n <= 0) break;
-            
-            if (flag == 1)
+            if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
+            if (temp_c >25 || (b==49))
+            {   
+                fan = '1';
+                led1 = 1;
+                servo.pulsewidth(0.002);
+                wait(1);
+            }
+            else
+            {
+               fan = '0';
+                    servo.pulsewidth(0);
+                    wait(1);
+              
+            }
+            if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
+            if(light<6000)
             {
-                for (int i=5;i<n;i++)    
-                    printf("%c",buffer[i]);
-                data[0]=MY_NODE_ID;
-                data[1]=packet_no;
-                data[2]=(int)temp_c;
-                data[3]=(int)(light/100);
-                data[4]=range;
-                data[5]=motion;
-                data[6]='\0';
+                dimmer = 0.02;
+            }
+            else dimmer = 0;
+           if(!cam){camera = '1'; myled4=1;}else{camera='0';myled4=0;}
+            n = client.receive(buffer, sizeof(buffer));
+            printf("\r N = %d\n",n);
+           
+            /*if (n <= 0) count++;
+            
+            if (count>10) { mbed_reset(); count=0;} 
+            */
+            if (n>1)
+            {
+                //for (int i=5;i<n;i++)    
+                printf("5%c 6%c 7%c 8%c 9%c 10%c",buffer[5],buffer[6],buffer[7],buffer[8], buffer[9], buffer[10]);
+                if (buffer[7] == 49 || buffer[7]==48) b=buffer[7]; 
+                data[3]=(int)motion;
+                data[5]=MY_NODE_ID;
+                data[4]=packet_no;
+                data[0]=(int)temp_c;
+                data[1]=(int)(light/100);
+                data[2]=range;
+                data[6]=(int)fan;
+                data[7]=(int)camera;
+                data[8]='\0';
             
                 n=sprintf(buffer,"%s",data);
-            //n=sprintf(buffer,"%s",data);
-            
                 printf("\n\n");
                 client.send_all(buffer, n);
                 packet_no++;
-                flag=0;
+                
+                /*if((buffer[6]-48)==1)
+                {
+                    servo.pulsewidth(0.02);
+                }else servo.pulsewidth(0);
+                */
+                /*if ((buffer[8]-48)>0)
+                {
+                led2=1;
+                dimmer = ((buffer[8]-48)/100);
+                }*/
+                
+                //n = client.receive(buffer, sizeof(buffer));
+                for (int i=5; i<n; i++)
+                {
+                    buffer[i]='0';
+                }
             }
+           
             
+            
+            wdt.kick();
         }
         client.close(); //Closes the connection with the client
 }
\ No newline at end of file