integration with sensors

Dependencies:   JPEGCamera MODGPS RHT03 mbed



File content as of revision 0:a93721ad3c1a:

#include "mbed.h"
#include "JPEGCamera.h"
#include "RHT03.h"
#include "GPS.h"

DigitalOut myled1(LED1); //show successful picture was taken
DigitalOut myled2(LED2); //show end of sequence
DigitalOut myled3(LED3); //show picture take failed
DigitalOut myled4(LED4); //show camera is not ready

Serial pc(USBTX, USBRX); // tx, rx
/*Xbee Start*/

Serial XBee(p13, p14);
GPS gps(NC,p27);  

// Create an instance of the GPS object. You will need to

// your GPS module to.

char rmc[GPS_BUFFER_LEN];
char gga[GPS_BUFFER_LEN];
char vtg[GPS_BUFFER_LEN];
char ukn[GPS_BUFFER_LEN];

// 0.1 second flash of LED2
DigitalOut led2(LED2);
Timeout t2;
int j=0;// camera variable
void t2out(void)
    led2 = 0;
void blip2(void)
    led2 = 1;
    t2.attach(&t2out, 0.1);

// 0.1 second flash of LED3
DigitalOut led3(LED3);
Timeout t3;
void t3out(void)
    led3 = 0;
void blip3(void)
    led3 = 1;
    t3.attach(&t3out, 0.1);

// 0.1 second flash of LED4
DigitalOut led4(LED4);

Timeout t4;
void t4out(void)
    led4 = 0;
void blip4(void)
    led4 = 1;
    t4.attach(&t4out, 0.1);
void gps_call(void);

void temp_hum(void);

void cam_call(void);

 GPS_Time q1;
 JPEGCamera camera(p9, p10); // TX, RX
int main() 

    // SET THIS.
    // Ensure you set the baud rate to match your serial
    // communications to your PC/Max/Linux host so you
    // can read the messages.
    pc.printf("setting the PC baud rate \n");

    // Tell MODGPS "we want copies of the NMEA sentences". When a callback
    // is made our buffers will contain a copy of the last received sentence
    // before it was processed/destroyed.

    // SET THIS.
    // Most GPS modules use 9600,8,n,1 so that's what
    // we default to here. Ensure your GPS module matches
    // this, otherwise set it to match.
    pc.printf("setting the GPS baud rate \n");
    gps.format(8, GPS::None, 1);

    // If you GPS has a 1 pulse per second output you can
    // connect it to an Mbed pin. Here you specify what pin
    // and on what "edge" teh signal is active. If your GPS
    // module has a rising edge at the one second point then
    // use GPS::ppsRise
#ifdef PPSPIN
    gps.ppsAttach(PPSPIN, GPS::ppsFall);

    // Sample of a callback to a function when the 1PPS activates.
    // For this example, we flash LED2 for 0.1 second.

    // Sample of a callback to a function when a NMEA GGA message is recieved.
    // For this example, we flash LED2 for 0.1 second.

    // Sample of a callback to a function when a NMEA RMC message is recieved.
    // For this example, we flash LED2 for 0.1 second.

    // Camera Code
    pc.printf("Loading camera module \n");
    LocalFileSystem local("local"); //save images on mbed
    pc.printf("getting ready for the while loop! \n");
  int i;




void gps_call(void)
// GPS Code
      pc.printf("Turning inside the loop() \n");
        // Every 3 seconds, flip LED1 and print the basic GPS info.
        pc.printf("hello GPS \n");
        myled1 = 1;

        // Demonstrate how to find out the GPS location co-ords.
        pc.printf("Method 1. Lat = %.4f ", gps.latitude());
        XBee.printf("Method 1. Lat = %.4f ", gps.latitude());
        pc.printf("Lon = %.4f ", gps.longitude());
        XBee.printf("Lon = %.4f ", gps.longitude());

        pc.printf("Alt = %.4f ", gps.altitude());
        XBee.printf("Alt = %.4f ", gps.altitude());

        // Gran a snapshot of the current time.
        pc.printf("%02d:%02d:%02d %02d/%02d/%04d\r\n",
                  q1.hour, q1.minute, q1.second,, q1.month, q1.year);
       XBee.printf("%02d:%02d:%02d %02d/%02d/%04d\r\n",
                  q1.hour, q1.minute, q1.second,, q1.month, q1.year);
void temp_hum(void)
//Temperature Sensor Code
        pc.printf("hello TEMP");
        int done=0;
        float temp,hum;

        RHT03 humtemp(p24); //Initalise the RHT03 (change pin number to the pin its connected to)

        while(!done) { //Loop keeps running until RHT03 is read succesfully
            wait(2); //Needed to make sure the sensor has time to initalise and so its not polled too quickly
            if(humtemp.readData() == RHT_ERROR_NONE) done=1; //Request data from the RHT03

        temp = humtemp.getTemperatureC(); //Gets the current temperature in centigrade
        hum = humtemp.getHumidity(); //Gets the current humidity in percentage

        pc.printf("Temperature is %f C \r",temp);
        XBee.printf("Temperature is %f C \r\n",temp);

        pc.printf("Humidity  is %f % \r\n",hum);
        XBee.printf("Humidity  is %f % \r\n",hum);


void cam_call(void)
//camera Code
        Timer timer;
        pc.printf("starting timer...");
        pc.printf("hello CAMERA");
            if (camera.isReady()) {
                char filename[32];
                sprintf(filename, "/local/pict%03d.jpg", j);
                printf("Picture: %s ", filename);
                if (camera.takePicture(filename)) {
                    while (camera.isProcessing()) {
                    myled1 = 1; //show successful picture was taken
                    myled1 = 0;
                } else {
                    printf("take picture failed ");
                    myled3 = 1; //show picture take failed
                    myled3 = 0;
            } else {
                printf("camera is not ready ");
                myled4 = 1; //show camera is not ready
                myled4 = 0;
        myled2 = 1; //show end of sequence
        myled2 = 0;
        printf("time = %f\n",;

        //Xbee Code

        pc.printf("i'm Sending.......");