LofT Monitoring Counseling Office Visits

// This #include statement was automatically added by the Particle IDE.
#include <SparkFunPhant.h>

String action;
int marker = 1400;
int person_count = 0;
bool blocked = false;
bool unblocked = true;
double value1 = 0;
double value2 = 0; 

const char server[] = "data.sparkfun.com"; // Phant destination server
const char publicKey[] = "q5Y5lndQWnS60x65drnr";
const char privateKey[] = "BV4V5RpX9RtNWXNxB808";
Phant phant(server, publicKey, privateKey); // Create a Phant object

const int POST_RATE = 3000; // Time between posts, in ms.
unsigned long lastPost = 0; // global variable to keep track of last post time

void setup()
{
    Serial.begin(9600);
    pinMode(A0, INPUT);
    pinMode(A1, INPUT);
}

void loop()
{
    action;
    marker;
    person_count;
    blocked;
    unblocked;
    int sensor_reading_1 = analogRead(A0);
    int sensor_reading_2 = analogRead(A1);

    if(sensor_reading_1 > marker or sensor_reading_2 > marker)
    {
        blocked = true;
        unblocked = false;
        if(sensor_reading_1 < marker and sensor_reading_2 > marker)
        {
            action = "Entering";
            Serial.println(action);
            person_count++;
            Serial.println("Total people passed: " + (String)person_count);
            postToPhant();
            delay(2000);
        }
        if(sensor_reading_1 > marker and sensor_reading_2 < marker)
        {
            action = "Leaving";
            Serial.println(action);
            person_count++;
            Serial.println("Total people passed: " + (String)person_count);
            postToPhant();
            delay(2000);
        }
    }
    else
    {
        blocked = false;
        unblocked = true;
    }
    value1++;
    value2++;
    delay(20);
}

int postToPhant()
{    
    // Use phant.add(<field>, <value>) to add data to each field.
    // Phant requires you to update each and every field before posting,
    // make sure all fields defined in the stream are added here.
    phant.add("movement", action);
    phant.add("total_person_count", person_count);
        	
    TCPClient client;
    char response[512];
    int i = 0;
    int retVal = 0;
    
    if (client.connect(server, 80)) // Connect to the server
    {
		// Post message to indicate connect success
        Serial.println("Posting!"); 
		
		// phant.post() will return a string formatted as an HTTP POST.
		// It'll include all of the field/data values we added before.
		// Use client.print() to send that string to the server.
        client.print(phant.post());
        delay(1000);
		// Now we'll do some simple checking to see what (if any) response
		// the server gives us.
        while (client.available())
        {
            char c = client.read();
            Serial.print(c);	// Print the response for debugging help.
            if (i < 512)
                response[i++] = c; // Add character to response string
        }
		// Search the response string for "200 OK", if that's found the post
		// succeeded.
        if (strstr(response, "200 OK"))
        {
            Serial.println("Post success!");
            retVal = 1;
        }
        else if (strstr(response, "400 Bad Request"))
        {	// "400 Bad Request" means the Phant POST was formatted incorrectly.
			// This most commonly ocurrs because a field is either missing,
			// duplicated, or misspelled.
            Serial.println("Bad request");
            retVal = -1;
        }
        else
        {
			// Otherwise we got a response we weren't looking for.
            retVal = -2;
        }
    }
    else
    {	// If the connection failed, print a message:
        Serial.println("connection failed");
        retVal = -3;
    }
    client.stop();	// Close the connection to server.
    return retVal;	// Return error (or success) code.
}