The Automated Grow Box

/* ECE 4180 Final Project - Spring 2017
Professor: James Hamblen

By: Alex Zdanov, Omar Sherif, Bala Ravi, Benjamin Kim*/

#include "mbed.h"
#include "EthernetNetIf.h"
#include "HTTPServer.h"
#include "JPEGCamera.h"
#include "uLCD_4DGL.h"
#include "htu21d.h"

htu21d htu(p28, p27);              //Temp Hum || sda, scl

float H21Temp = 0.0;                //Temperture from HTU21D
float H21Hum = 0.0;                //Humidity from HTU21D
float H21Dew = 0.0;                //Dew Point from HTU21D

DigitalOut led1(LED1, "led1");
DigitalOut led2(LED2, "led2");
DigitalOut led3(LED3, "led3");
DigitalOut led4(LED4, "led4");

//SD Card File System
//SDFileSystem sd(p5, p6, p7, p8, "sd");

//ShiftBrite Setup
DigitalOut latch(p15);
DigitalOut enable(p16);
//Cycles through different colors on RGB LED
SPI spi(p11, p12, p13);
//Use SPI hardware to write color values to LED driver chip
AnalogIn lightSensor(p20);
//End Shiftbrite Setup

//Thread t1;
//Thread t2;
LocalFileSystem local("local");

uLCD_4DGL uLCD(p13, p14, p29); // create a global lcd object

EthernetNetIf eth;
HTTPServer svr;

JPEGCamera camera(p9, p10); // TX, RX

int picnum = 1;


//********************Potential RTOS Implementation *********************
//In order to implement this, the mbed library needs to be updated.
//  Updating the library messes up the Networking library
/*void RGB_LED_Thread(int red, int green, int blue)
{
    unsigned int low_color=0;
    unsigned int high_color=0;
    high_color=(blue<<4)|((red&0x3C0)>>6);
    low_color=(((red&0x3F)<<10)|(green));
    spi.write(high_color);
    spi.write(low_color);
    latch=1;
    latch=0;
}
void CameraThread()
{
    for (int i = 1; i < 2; i++) {
        if (camera.isReady()) {
            char filename[32];
            sprintf(filename, "/webfs/pict%03d.jpg", i);
            printf("Picture: %s ", filename);
            if (camera.takePicture(filename)) {
                while (camera.isProcessing()) {
                    camera.processPicture();
                }
                led1 = 1; //show successful picture was taken
                wait(2.0);
                led1 = 0;
            } else {
                printf("take picture failed\n");
                led3 = 1; //show picture take failed
                wait(2.0);
                led3 = 0;
            }
        } else {
            printf("camera is not ready\n");
            //led4 = 1; //show camera is not ready
            wait(2.0);
            //led4 = 0;
        }
    }
    led2 = 1; //show end of sequence
    wait(2.0);
    led2 = 0;
    printf("time = %f\n", timer.read());
    Thread::wait(10000);
}

void EthernetThread()
{
    Base::add_rpc_class<DigitalOut>();

    printf("Setting up...\n");
    EthernetErr ethErr = eth.setup();
    if(ethErr) {
        printf("Error %d in setup.\n", ethErr);
    }
    else printf("Setup OK\n");

    uLCD.printf("Device IP Address: %d\r\n",eth.getIp());

    FSHandler::mount("/webfs", "/files"); //Mount /webfs path on /files web path
    FSHandler::mount("/webfs", "/"); //Mount /webfs path on web root path

    svr.addHandler<SimpleHandler>("/hello");
    svr.addHandler<RPCHandler>("/rpc");
    svr.addHandler<FSHandler>("/files");
    svr.addHandler<FSHandler>("/"); //Default handler
    //Example : Access to mbed.htm : http://a.b.c.d/mbed.htm or http://a.b.c.d/files/mbed.htm

    svr.bind(80);

    printf("Listening...\n");

    Timer tm;
    tm.start();
    //Listen indefinitely
    while(true) {
        Net::poll();
        if(tm.read()>.5) {
            //led4=!led4; //Show that we are alive
            tm.start();
        }
    }
}*/
//********************END Potential RTOS Implementation *********************

int main()
{

    /*//Setup Shiftbrite Variables
    int rgb = 1023;
    spi.format(16,0);
    spi.frequency(500000);
    enable=0;
    latch=0;
    float lightIn;
    //End Shiftbrite Variables*/

//-------------Camera-----------------------

    Timer timer;
    timer.start();
    int jump = 1;
    int days = 7;

    Timer tm;
    uint8_t ip0part;
    uint8_t ip1part;
    uint8_t ip2part;
    uint8_t ip3part;

    H21Hum = htu.getHum();
    H21Temp = htu.getTemp();
    camera.setPictureSize(JPEGCamera::SIZE160x120);
beforePic:
    if (camera.isReady()) {
        char filename[32];
        sprintf(filename, "/local/pict1.jpg");
        printf("Picture: %s \n\r", filename);
        if (camera.takePicture(filename)) {
            while (camera.isProcessing()) {
                camera.processPicture();
            }
            wait(5.0);
            led1 = 1; //show successful picture was taken
            wait(2.0);
            led1 = 0;
        } else {
            printf("take picture failed\n");
            led3 = 1; //show picture take failed
            wait(2.0);
            led3 = 0;
        }
    } else {
        printf("camera is not ready\n");
        led4 = 1; //show camera is not ready
        wait(2.0);
        led4 = 0;
    }

    led2 = 1; //show end of sequence
    wait(2.0);
    led2 = 0;
    printf("time = %f\n\r", timer.read());

    if(jump == 1) {

        //-------------------Ethernet---------------------

        Base::add_rpc_class<DigitalOut>();

        printf("Setting up...\n\r");
        EthernetErr ethErr = eth.setup();
        if(ethErr) {
            printf("Error %d in setup.\n", ethErr);
            return -1;
        }
        printf("Setup OK\n\r");
        IpAddr temp = eth.getIp();
        ip0part = temp[0];
        ip1part = temp[1];
        ip2part = temp[2];
        ip3part = temp[3];

        uLCD.printf("IP Address = \n%d.%d.%d.%d \n\r", ip0part, ip1part, ip2part, ip3part);
        uLCD.printf("Number of \n\rdays until \n\rfeeding: \n\r%d Day(s)\n\r", days);


        FSHandler::mount("/local", "/files"); //Mount /webfs path on /files web path
        FSHandler::mount("/local", "/"); //Mount /webfs path on web root path

        svr.addHandler<SimpleHandler>("/hello");
        svr.addHandler<RPCHandler>("/rpc");
        svr.addHandler<FSHandler>("/files");
        svr.addHandler<FSHandler>("/"); //Default handler
        //Example : Access to mbed.htm : http://a.b.c.d/mbed.htm or http://a.b.c.d/files/mbed.htm

        svr.bind(80);


        printf("Listening...\n\r");

        tm.start();

        //Listen indefinitely
        jump = 2;
    }

    while(true) {
        Net::poll();
        if(tm.read()>1000) {
            printf("Inside if statement");
            tm.reset();
            days--;
            uLCD.cls();
            uLCD.printf("IP Address = \n%d.%d.%d.%d \n\r", ip0part, ip1part, ip2part, ip3part);
            if (days ==0) uLCD.printf("Put in the \n\rnutrients today!");
            if (days < 0) days = 7;
            if (days > 0) uLCD.printf("Number of days \n\runtil feeding: \n\r     %d Day(s)\n\r", days);
            led1=!led1; //Show that we are alive
            goto beforePic;
        }
        //REPLACE WITH HUMIDITY AND TEMP AND WRITE TO HTML

        //get humidity, temperature and dew point from HTU21D

        //if HTU21D didn't initialize, don't access HTU21D anymore
        H21Hum = htu.getHum();
        if((double)H21Hum == 255.0) uLCD.printf("\r\n*** HTU21D Hum error!!\r\n");
        H21Temp = htu.getTemp();
        if((double)H21Temp == 255.0) uLCD.printf("\r\n*** HTU21D Temp error!!\r\n");
        //H21Dew = htu.getDewPtFast();

        if (H21Hum < 30) uLCD.printf("Humidity is lower than recommended\r\n");
        if (H21Hum > 50) uLCD.printf("Humidity is higher than recommended\r\n");
        uLCD.printf("Temp: %7.2f C Hum: %4.1f %%   \r\n",H21Temp,H21Hum);
        wait(3.0);


        FILE *fp = fopen("/local/Status.htm", "w");  // Open "out.txt" on the local file system for writing
        fprintf(fp, "<!DOCTYPE html>\n<html>\n<body>\n");
        fprintf(fp, "<img src=\"pict1.jpg\" alt=\"Daily Image Plant\" style=\"width:160px;height:120px;\">\n");
        fprintf(fp, "\t\"temperature\": %7.2f,\n", H21Temp);
        fprintf(fp, "\t\"humidity\": %4.1f\n}", H21Hum);
        fprintf(fp, "</body>\n</html>");
        fclose(fp);

    }



}