main.cpp

00001 #include "mbed.h"
00002 #include "JPEGCamera.h"
00003 #include "RHT03.h"
00004 #include "GPS.h"
00005 
00006 
00007 DigitalOut myled1(LED1); //show successful picture was taken
00008 DigitalOut myled2(LED2); //show end of sequence
00009 DigitalOut myled3(LED3); //show picture take failed
00010 DigitalOut myled4(LED4); //show camera is not ready
00011 
00012 Serial pc(USBTX, USBRX); // tx, rx
00013 /*Xbee Start*/
00014 
00015 Serial XBee(p13, p14);
00016 GPS gps(NC,p27);  
00017 
00018 // SET THIS.
00019 // Create an instance of the GPS object. You will need to
00020 
00021 // your GPS module to.
00022 
00023 
00024 char rmc[GPS_BUFFER_LEN];
00025 char gga[GPS_BUFFER_LEN];
00026 char vtg[GPS_BUFFER_LEN];
00027 char ukn[GPS_BUFFER_LEN];
00028 
00029 // 0.1 second flash of LED2
00030 DigitalOut led2(LED2);
00031 Timeout t2;
00032 int j=0;// camera variable
00033 void t2out(void)
00034 {
00035     led2 = 0;
00036 }
00037 void blip2(void)
00038 {
00039     led2 = 1;
00040     t2.attach(&t2out, 0.1);
00041 }
00042 
00043 // 0.1 second flash of LED3
00044 DigitalOut led3(LED3);
00045 Timeout t3;
00046 void t3out(void)
00047 {
00048     led3 = 0;
00049 }
00050 void blip3(void)
00051 {
00052     led3 = 1;
00053     t3.attach(&t3out, 0.1);
00054 }
00055 
00056 // 0.1 second flash of LED4
00057 DigitalOut led4(LED4);
00058 
00059 Timeout t4;
00060 void t4out(void)
00061 {
00062     led4 = 0;
00063 }
00064 void blip4(void)
00065 {
00066     led4 = 1;
00067     t4.attach(&t4out, 0.1);
00068 }
00069 /////////////////////////////////////////////////////////////
00070 void gps_call(void);
00071 
00072 void temp_hum(void);
00073 
00074 void cam_call(void);
00075 
00076  GPS_Time q1;
00077  JPEGCamera camera(p9, p10); // TX, RX
00078  
00079 int main() 
00080 {
00081  
00082 ////////////////////////////////////////////////////////////////////
00083 
00084     // SET THIS.
00085     // Ensure you set the baud rate to match your serial
00086     // communications to your PC/Max/Linux host so you
00087     // can read the messages.
00088     pc.printf("setting the PC baud rate \n");
00089     pc.baud(9600);
00090     
00091 
00092     // Tell MODGPS "we want copies of the NMEA sentences". When a callback
00093     // is made our buffers will contain a copy of the last received sentence
00094     // before it was processed/destroyed.
00095     gps.setRmc(rmc);
00096     gps.setGga(gga);
00097     gps.setVtg(vtg);
00098     gps.setUkn(ukn);
00099 
00100 
00101     // SET THIS.
00102     // Most GPS modules use 9600,8,n,1 so that's what
00103     // we default to here. Ensure your GPS module matches
00104     // this, otherwise set it to match.
00105     pc.printf("setting the GPS baud rate \n");
00106     gps.baud(9600);
00107     gps.format(8, GPS::None, 1);
00108 
00109     // OPTIONAL
00110     // If you GPS has a 1 pulse per second output you can
00111     // connect it to an Mbed pin. Here you specify what pin
00112     // and on what "edge" teh signal is active. If your GPS
00113     // module has a rising edge at the one second point then
00114     // use GPS::ppsRise
00115 #ifdef PPSPIN
00116     gps.ppsAttach(PPSPIN, GPS::ppsFall);
00117 #endif
00118 
00119     // Sample of a callback to a function when the 1PPS activates.
00120     // For this example, we flash LED2 for 0.1 second.
00121     gps.attach_pps(&blip2);
00122 
00123     // Sample of a callback to a function when a NMEA GGA message is recieved.
00124     // For this example, we flash LED2 for 0.1 second.
00125     gps.attach_gga(&blip3);
00126 
00127     // Sample of a callback to a function when a NMEA RMC message is recieved.
00128     // For this example, we flash LED2 for 0.1 second.
00129     gps.attach_rmc(&blip4);
00130 
00131 
00132 
00133     // Camera Code
00134     pc.printf("Loading camera module \n");
00135     LocalFileSystem local("local"); //save images on mbed
00136     camera.setPictureSize(JPEGCamera::SIZE320x240);
00137     pc.printf("getting ready for the while loop! \n");
00138     
00139 ////////////////////////////////////////////////////////////////////
00140   int i;
00141   for(i=1;i<11;i++)
00142    {//gps 
00143     gps_call();
00144 
00145     
00146 
00147      if(i==1||i==5||i==10)
00148      {//temp&hum
00149        temp_hum();
00150      }
00151      if(i%2==0)
00152      {//camera
00153          cam_call();
00154 
00155      }
00156      
00157    }
00158     }
00159 
00160 void gps_call(void)
00161 {
00162 // GPS Code
00163       pc.printf("Turning inside the loop() \n");
00164         // Every 3 seconds, flip LED1 and print the basic GPS info.
00165         pc.printf("hello GPS \n");
00166         
00167         myled1 = 1;
00168 
00169         // Demonstrate how to find out the GPS location co-ords.
00170         pc.printf("Method 1. Lat = %.4f ", gps.latitude());
00171         XBee.printf("Method 1. Lat = %.4f ", gps.latitude());
00172         
00173         pc.printf("Lon = %.4f ", gps.longitude());
00174         XBee.printf("Lon = %.4f ", gps.longitude());
00175 
00176         pc.printf("Alt = %.4f ", gps.altitude());
00177         XBee.printf("Alt = %.4f ", gps.altitude());
00178 
00179 
00180         // Gran a snapshot of the current time.
00181         gps.timeNow(&q1);
00182         pc.printf("%02d:%02d:%02d %02d/%02d/%04d\r\n",
00183                   q1.hour, q1.minute, q1.second, q1.day, q1.month, q1.year);
00184        XBee.printf("%02d:%02d:%02d %02d/%02d/%04d\r\n",
00185                   q1.hour, q1.minute, q1.second, q1.day, q1.month, q1.year);
00186 }
00187 void temp_hum(void)
00188 {
00189 //Temperature Sensor Code
00190         pc.printf("hello TEMP");
00191         
00192         int done=0;
00193         float temp,hum;
00194 
00195         RHT03 humtemp(p24); //Initalise the RHT03 (change pin number to the pin its connected to)
00196 
00197         while(!done) { //Loop keeps running until RHT03 is read succesfully
00198             wait(2); //Needed to make sure the sensor has time to initalise and so its not polled too quickly
00199             if(humtemp.readData() == RHT_ERROR_NONE) done=1; //Request data from the RHT03
00200         }
00201 
00202         temp = humtemp.getTemperatureC(); //Gets the current temperature in centigrade
00203         hum = humtemp.getHumidity(); //Gets the current humidity in percentage
00204 
00205         pc.printf("Temperature is %f C \r",temp);
00206         XBee.printf("Temperature is %f C \r\n",temp);
00207 
00208         
00209         pc.printf("Humidity  is %f % \r\n",hum);
00210         XBee.printf("Humidity  is %f % \r\n",hum);
00211 
00212         
00213        
00214         /////////////////////////////////////////////////
00215     
00216 }
00217 
00218 void cam_call(void)
00219 {
00220 //camera Code
00221     j++; 
00222         Timer timer;
00223         pc.printf("starting timer...");
00224         timer.start();
00225         pc.printf("hello CAMERA");
00226         
00227             if (camera.isReady()) {
00228                 char filename[32];
00229                 sprintf(filename, "/local/pict%03d.jpg", j);
00230                 printf("Picture: %s ", filename);
00231                 if (camera.takePicture(filename)) {
00232                     while (camera.isProcessing()) {
00233                         camera.processPicture();
00234                     }
00235                     myled1 = 1; //show successful picture was taken
00236                    
00237                     myled1 = 0;
00238                 } else {
00239                     printf("take picture failed ");
00240                     myled3 = 1; //show picture take failed
00241                     
00242                     myled3 = 0;
00243                 }
00244             } else {
00245                 printf("camera is not ready ");
00246                 myled4 = 1; //show camera is not ready
00247                 
00248                 myled4 = 0;
00249             }
00250         
00251         myled2 = 1; //show end of sequence
00252        
00253         myled2 = 0;
00254         printf("time = %f\n", timer.read());
00255         ////////////////////////////////////////////////////
00256 
00257         //Xbee Code
00258 
00259         pc.printf("i'm Sending.......");
00260         
00261 
00262        
00263 
00264         /////////////////////////////////////////////
00265         
00266 }