main.cpp

00001 #include "mbed.h"
00002 #include "SpwfInterface.h"
00003 #include "x_nucleo_iks01a1.h"
00004 #include "TCPSocket.h"
00005 #include "Servo.h"
00006 #include "ultrasonic.h"
00007 
00008 
00009 
00010 int distance1;
00011 int distance;
00012  void dist(int distance)
00013 {
00014     //put code here to happen when the distance is changed
00015     printf("Distance changed to %dmm\r\n", distance);
00016     distance1= distance;
00017 }
00018 
00019 
00020 ultrasonic mu(D8, D9, .1, 1, &dist);    //Set the trigger pin to D8 and the echo pin to D9
00021                                         //have updates every .1 seconds and a timeout after 1
00022                                         //second, and call dist when the distance changes
00023 Servo myservo(D6); 
00024 //char* ntpServerUrl = "0.ca.pool.ntp.org";
00025 //#define IP "184.106.153.149/update"
00026 #define IP "184.106.153.149"
00027 char* thingSpeakUrl = "http://api.thingspeak.com/update";
00028 char* thingSpeakKey = "5WJ5OYWTWTQX4310";
00029 
00030 Serial pc(USBTX, USBRX);
00031 DigitalOut myled(LED1);
00032 /*************/
00033 SpwfSAInterface spwf(D8, D2, false);
00034 uint8_t id;
00035 float value1, value2;
00036 char buffer1[32], buffer2[32];
00037 
00038 
00039 int http_demo(void)
00040 {
00041     TCPSocket socket(&spwf);
00042     char buffer[256];
00043     char message[160];
00044     int err;
00045     printf("Sending HTTP Data to thingspeak...\r\n");
00046 
00047     // Open a socket on the network interface, and create a TCP connection to thingspeak
00048     //socket.open(&spwf);
00049     err=socket.connect(IP,80); // connecting to thingspeak
00050     if(err!=0) 
00051     {
00052       pc.printf("\r\nCould not connect to Socket, err = %d!!\r\n", err); 
00053       return -1;
00054     } else pc.printf("\r\nconnected to host server\r\n"); 
00055     sprintf(message,"field1=%d",distance1);
00056     printf("Message Length=%d\r\n",(int)strlen(message));
00057     sprintf(buffer,"POST /update HTTP/1.1\r\nHost: api.thingspeak.com\r\nConnection: close\r\nX-THINGSPEAKAPIKEY: %s\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: %d\r\n\r\n%s",thingSpeakKey,(int)strlen(message),message);
00058     pc.printf("Request to %s\r\n", buffer);
00059     int scount = socket.send(buffer, (int)strlen(buffer));
00060     printf("sent %d [%.*s]\r\n", scount, strstr(buffer, "\r\n")-buffer, buffer);
00061 
00062     // Recieve a simple http response and print out the response line
00063     char rbuffer[64];
00064     int rcount = socket.recv(rbuffer, sizeof rbuffer);
00065     printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
00066 
00067     // Close the socket to return its memory and bring down the network interface
00068     socket.close();
00069     return 0;
00070 }
00071 
00072 int main() 
00073 {
00074     
00075        
00076     char * ssid = "homebb@unifi";
00077     char * seckey = "homebb987";  
00078     pc.printf("\r\nReal Time Weather System\r\n");     
00079     pc.printf("\r\nconnecting to AP\r\n");
00080             
00081     if(spwf.connect(ssid, seckey, NSAPI_SECURITY_WPA2)) {      
00082         pc.printf("\r\nnow connected\r\n");
00083     } else {
00084         pc.printf("\r\nerror connecting to AP.\r\n");
00085         return -1;
00086     }   
00087 
00088     const char *ip = spwf.get_ip_address();
00089     const char *mac = spwf.get_mac_address();
00090     
00091     pc.printf("\r\nIP Address is: %s\r\n", (ip) ? ip : "No IP");
00092     pc.printf("\r\nMAC Address is: %s\r\n", (mac) ? mac : "No MAC"); 
00093     wait (3);    
00094     
00095     while(1) 
00096     { 
00097       mu.checkDistance();     //call checkDistance() as much as possible, as this is where
00098                                 //the class checks if dist needs to be called.
00099                 if(distance1 <55){
00100                     printf("ok\r\n");
00101       //for(float p=0; p<1.0; p += 0.99) 
00102        // myservo = p;
00103         //wait(0.2);
00104       http_demo();
00105       //x=0;y=0;z=0;
00106       pc.printf("Thingspeak update completed successfully\r\n");
00107       //buz=0;//RESET CONDITION  
00108       wait(10);
00109     }
00110 }}