main.cpp

00001 
00002 #include "mbed.h"
00003 #include "TextLCD.h"
00004 TextLCD lcd(p25,p26, p21, p22, p23, p24); // rs, e, d4, d5, d6, d7
00005 Serial pc(USBTX,USBRX);
00006  DigitalOut sensor1(p21);
00007  DigitalOut sensor2(p22);
00008  DigitalOut sensor3(p23);
00009 AnalogIn    s_1(p15);
00010 AnalogIn    s_2(p16);
00011 AnalogIn    s_3(p17);
00012 AnalogIn    s_4(p18);
00013 AnalogIn    s_5(p19);
00014 AnalogIn    b(p20);
00015 LocalFileSystem local("local");
00016 char time1[16];//as our lcd is of 16 character it is so
00017 char date[16];
00018 float a[6];
00019 int time_clock;
00020 int j,k;
00021 float  avg_sensorvalue1=0,avg_sensorvalue2=0;
00022 Timer timer;
00023 char c1[20]="sensor1";
00024 char c2[20]="sensor2";
00025 char c3[20]="sensor3";
00026 char c4[20]="sensor4";
00027 char c5[20]="sensor5";
00028 char bat[20]="battery";
00029 char d[30]="Date";
00030 char t[30]="Time";
00031 char c6[20]="time";
00032 int main()
00033 {
00034     int i;
00035     set_time(1367038111);
00036     time_t seconds = time(NULL)+19800; // time(null) gives the GMT time which mustbe added with IST ie..GMTtime + 5 hr:30 min +19800
00037     strftime(time1,16,"%H/%M/%S",localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
00038     strftime(date,16,"%d/%m/%y",localtime(&seconds));
00039    
00040 //fprintf(fp,"%s,%s,%s,%s,%s,%s,%s,%s\r",t,d,c1,c2,c3,c4,c5,battery);
00041  FILE *fp=fopen("/local/sensor1.csv","a");
00042 
00043  fprintf(fp,"%s,%s,%s,%s,%s,%s,%s,%s\r",t,d,c1,c2,c3,c4,c5,bat);
00044   while(1) 
00045        { 
00046         time_t seconds = time(NULL)+19800;
00047         strftime(time1,16,"%H/%M/%S",localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
00048         strftime(date,16,"%d/%m/%y",localtime(&seconds));
00049        /* for(i=0;i<=20;i++)
00050         {
00051         pulse=1;
00052          a[0]=a[0]+s_1.read();
00053          a[1]=a[1]+s_2.read();
00054          wait(0.005);
00055          pulse=0;
00056          wait(0.005);
00057          }
00058          a[0]=a[0]/21;
00059          a[1]=a[1]/21;*/
00060         /*wait(1);
00061         a[1]=s_2.read();
00062         wait(1);
00063         a[2]=s_3.read();
00064         wait(1);
00065         a[3]=s_4.read();
00066         wait(1);
00067         a[4]=s_5.read();
00068         wait(1);
00069         a[5]=b.read();
00070         wait(1);
00071       lcd.cls();//clear the lcd screen
00072         lcd.locate(0,0);
00073         lcd.printf("%.3f",a[0]);
00074         wait(2);
00075         lcd.cls();//clear the lcd screen
00076         lcd.locate(0,0);
00077         lcd.printf("%s,%s",time1,date);
00078         wait(3);*/
00079         sensor1=1;
00080          sensor2=1;
00081          wait(2);
00082         a[0]=s_1.read();
00083         a[1]=s_2.read();
00084         wait(2);
00085         sensor1=0;
00086         sensor2=0;       
00087         pc.printf("a[0]=%f,a[1]=%f",a[0],a[1]); 
00088         fprintf(fp,"%s,%s,%0.6f,%.6f,%.6f,%.6f,%.6f,%.6f\r",time1,date,a[0],a[1],a[2],a[3],a[4],a[5]);
00089         wait(2);
00090         fclose(fp);
00091         FILE *fp=fopen("/local/sensor1.csv","a");
00092     }
00093     
00094 
00095 }
00096 /* #include "mbed.h"
00097 #include "TextLCD.h"
00098 #include "string.h"
00099 #include "SDFileSystem.h"
00100 #include "PowerControl.h"
00101 #include "EthernetPowerControl.h"
00102 
00103 void sendsms(float m);
00104 char  a=0x1A,e=0x22;
00105 
00106 char num[] = "9731892759";
00107 #define USR_POWERDOWN    (0x104)
00108 Serial uart(p9,p10);
00109 Serial GSM(p13, p14);  // tx, rx
00110 Serial pc(USBTX,USBRX);
00111 
00112 
00113 Ticker sense; // Ticker to Interrupt the sleeping mode
00114 
00115 TextLCD lcd(p24,p25,p26, p27, p28, p29, p30); // rs, rw, e, d4, d5, d6, d7
00116 AnalogIn Msensor_out(p20);
00117 AnalogIn Tsensor_out(p19);
00118 AnalogIn Lsensor_out(p18);
00119 DigitalOut sensors_vcc(p17);
00120 DigitalOut lcd2(p8);
00121  int k;
00122 char r[5]="";
00123 
00124   unsigned char i = 0;
00125     unsigned char j = 0;
00126 char time_stamp[16];//as our lcd is of 16 character it is so
00127 
00128 float m,t,l;
00129 
00130 
00131 int semihost_powerdown()
00132 {
00133     uint32_t arg;
00134     return __semihost(USR_POWERDOWN, &arg);
00135 }
00136 
00137 ////////////////////////////////////////////////////////////////////
00138 // fun() - it reads the sensor, writes to LCD and SD card and also senda the data on GSM
00139 ////////////////////////////////////////////////////////////////////
00140 
00141 void fun()
00142 {
00143        sensors_vcc=1;
00144        m=Msensor_out.read(); //read the analog input from the pin15 and assign it to m
00145        t=Tsensor_out.read();
00146        l=Lsensor_out.read();
00147        wait(2);
00148         sensors_vcc=0;
00149         lcd.cls();//clear the lcd screen
00150         lcd.locate(0,0);
00151         lcd.printf("Welcome to WMS");
00152         wait(3);
00153 
00154         FILE *fp = fopen("/sd/mydir/sdtest.csv", "a");
00155         if (fp == NULL)
00156         {
00157             error("Could not open file for write\n");
00158         }
00159         fprintf(fp, "%d : %s \n",time_stamp,m);   //Record Sensor data along with time stamp
00160         fclose(fp);
00161        wait(2);
00162 
00163 
00164 
00165 
00166         lcd.cls();//clear the lcd screen
00167         lcd.locate(0,0);
00168         lcd.printf("sending sms to");
00169         wait(3);
00170         lcd.locate(0,1);
00171         lcd.printf("%s",num);
00172         wait(3);
00173         lcd.locate(0,0);//start displaying from zeroth column,zeroth row
00174         lcd.printf("%s",time_stamp);//diplays the human readable time which was stored in time_stamp.
00175         lcd.locate(0,1);//start displaying from zeroth column,first row
00176         lcd.printf("M%0.3f,%0.3f,L%0.3f",m,t,l);//display the value of analog input obtained in variable m
00177         wait(3);
00178         GSM.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
00179         wait(3);
00180         GSM.printf("%s,Moisture%f",time_stamp,m);
00181         GSM.printf("%c",a);
00182         return ;
00183 }
00184 
00185 
00186 
00187 int main()
00188    {
00189     lcd2=0;
00190     int result;
00191    GSM.baud(9600);
00192     pc.baud(9600);
00193     set_time( 1358319500);
00194    time_t seconds = time(NULL)+ 19800; // time(null) gives the GMT time which mustbe added with IST ie..GMTtime + 5 hr:30 min
00195    strftime(time_stamp, 16, "%d/%m/%y/%H/%M/%S", localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
00196 
00197 
00198    PHY_PowerDown();                    // PHY Powerdown
00199    result = semihost_powerdown();       //Semihost Powerdown
00200    sense.attach(&fun,30);              // Excecute sd_write_read function every 5s
00201     //t.start();                          //Start of timer to record Time Stamp
00202     while (1)
00203     {
00204         Sleep();                        // Sleep mode to save power
00205     }
00206 
00207 
00208    }
00209 
00210 
00211  */
00212 
00213 
00214 
00215