#include "mbed.h"
#include "SDFileSystem.h"
//#include "Stream.h"
//#include <math.h>
//*http://www.scadacore.com/field-applications/programming-calculators/online-checksumcalculator/
-----> foe checksum calculator
//*http://www.hhhh.org/wiml/proj/nmeaxor.html -----> foe checksum calculator
/*
Spreadsheet-ready equations for each unknown in terms of the two knowns:
RH: =100*(EXP((17.625*TD)/(243.04+TD))/EXP((17.625*T)/(243.04+T)))
TD: =243.04*(LN(RH/100)+((17.625*T)/(243.04+T)))/(17.625-LN(RH/100)-((17.625*T)/
(243.04+T)))
T: =243.04*(((17.625*TD)/(243.04+TD))-LN(RH/100))/(17.625+LN(RH/100)-((17.625*TD)/
(243.04+TD)))
(? replace "T", "TD", and "RH" with your actual cell references)
(? T and TD inputs/outputs to the equations are in Celsius)
Ref:>>> http://andrew.rsmas.miami.edu/bmcnoldy/Humidity.html
*/
Serial pc(USBTX, USBRX); //for out put display in PC
//For GSM modem
Serial serial_gsm(P2_14,P2_15); //for I/O with GSM Device
void setup_GSM();
void Read_GSM();
void network_GSM(); //for Network status of GSM modem
void network_Date_Time_GSM(); //for network date and time
void GPRS_status();//for GPRS status
void GPRS_setup();//for GPRS setup
void upload_iot();
void GPRS_upload_status();
int upload_st=0;
char GSM_raw_data[80];
int GSM_data_l=0,GSM_network_status=0,GPRS_st=0;
//int GSM_dd=0, GSM_mm=0,GSM_yy=0,GSM_hh=0,GSM_min=0,GSM_sec=0;
//For weather sensor
void Read_DH11();
//int humi=0,temp=0;
float humi_f=0,temp_f=0,temp_dew=0;
DigitalOut dh11_pinout(P10_13); //Use for I/O with DH11 Teperatuer sensor
//For Air Quality Sensor
Registration ID: itsme_raju2002@yahoo.co.in Page 5 of 31
Serial serial_sds011(P8_13,P8_11); //for I/O with SDS011
void read_sds011();
int pm25=0,pm10=0,id_sds011=0;
//char raw_data_sds011[10];
//For GPS Device
void Read_GPS_Data();
int GPS_status=0;
Serial serial_gps(P8_14,P8_15); //for I/O with GPS Device
Timer t1; //Timer t1 for common use
Timer t2;
//Variabls for RTC
//Timer timer_RTC;
struct tm rtc;
struct tm rtc_utc;
int dd=1, mm=1, yyyy=2016;
int hh=0, min=1, ss=0;
int hh_utc=0,min_utc=1;
int upload_y=0,upload_m=0,upload_d=0,upload_h=0,upload_min=0,upload_sec=0; //Save time
stamping for uploading
char cust_time[19];
void set_RTC_clock();
void display_RTC();
//char gps_status='x',gps_status_old;
//char char_latitude[17], char_longitude[17];//,
//float dec_latitude=0, dec_longitude=0;
DigitalOut myled1(LED1);
DigitalOut myled2(LED2);
DigitalOut myled3(LED3);
// Ref for MicroSD Card----> https://developer.mbed.org/cookbook/SD-Card-File-System#library
// SDFileSystem sd(P8_5, P8_6, P8_3, P8_4, "sd"); ---->for GR PEACH
// Ref:-----> https://developer.mbed.org/teams/Renesas/wiki/GR-PEACH-Getting-Started
// Ref:------> https://developer.mbed.org/users/simon/notebook/sdcards/
void microSD_status();
void save_microSD();
void upload_save_data();
//int microSD_st=0,save_st=0,save_data_st=0;
int data_lot_len=0;
unsigned long file_size=0;
char file_read[180];
Registration ID: itsme_raju2002@yahoo.co.in Page 6 of 31
SDFileSystem sd(P8_5, P8_6, P8_3, P8_4, "sd");
int main()
{
int i;
float start_time_sec=0;
//FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
//double jk;
t1.start(); //Start timer t1
t2.start();
set_RTC_clock();
pc.printf("-----> Reg ID: itsme_raju2002@yahoo.co.in <-------><Rev01>\n");
wait(1);
//timer_RTC.start(); //Start clock for RTC
//set_time(890);
//jk=log(0.2);
for(i=1;i<=6;i++)
{
myled1=1;
wait(1);
myled2=1;
wait(1);
myled3=1;
wait(3);
pc.printf("Passing Sec: %d\n",(i*10-5));
myled3=0;
wait(1);
myled2=0;
wait(1);
myled1=0;
wait(3);
pc.printf("Passing Sec: %d\n",i*10);
}
microSD_status();
//upload_save_data();
myled2=1;
serial_gps.printf("$PMTK220,1000*1F\r\n"); ////Setup GPS device data o/p with 1000ms interval
wait(2);
//myled2=0;
myled3=1;
serial_gps.printf("$PMTK314,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*29\r\n"); ////Setup GPS device
data o/p with RMC
wait(2);
myled3=0;
myled2=0;
setup_GSM();
network_GSM();
Registration ID: itsme_raju2002@yahoo.co.in Page 7 of 31
Read_GPS_Data();
Read_DH11();
//save_microSD(); //------------------------------
while(1)
{
myled1 = 1;
wait(2);
myled1 = 0;
//wait(0.2);
network_GSM();
network_Date_Time_GSM();
GPRS_status();
GPRS_setup();
//GPRS_status();
display_RTC();
Read_GPS_Data();
//microSD_status();
upload_y=rtc_utc.tm_year+1900;
upload_m=rtc_utc.tm_mon+1;
upload_d=rtc_utc.tm_mday;
upload_h=rtc_utc.tm_hour;
upload_min=rtc_utc.tm_min;
upload_sec=rtc_utc.tm_sec;
pc.printf("UPLOAD_MIN=%d ----- Remider of Min= %d\n",upload_min, upload_min%5);
if((upload_min%5)==0)
{
start_time_sec=t2.read();
Read_DH11();
read_sds011();
while((t2.read()-start_time_sec)<=90)
{
if(upload_st==0)
{
GPRS_status();
GPRS_setup();
//GPRS_status();
upload_iot();
}
else
{
break;
}
}
if(upload_st==0)
{
Registration ID: itsme_raju2002@yahoo.co.in Page 8 of 31
save_microSD();
}
}
else
{
upload_st=0;
}
microSD_status();
upload_save_data();
t2.reset();
//save_microSD(); //------------------------------
pc.printf("\n-----------------Cycle END---------------------\n");
}
} //**********************GSM Modem Setup*********************************//
void setup_GSM()
{
//serial_gsm.baud(9600);
pc.printf("*******Set GSM modem echo OFF mode*******\n");
serial_gsm.printf("ATE0&W\r");//Set echo OFF mode
Read_GSM();
//serial_gsm.printf("ATV1\r");//Set no Short/long response mode
//Read_GSM();
/*serial_gsm.printf("AT+CREG?\r"); //Check Network Registration status
Read_GSM();*/
pc.printf("*******Set GSM modem clock in local time mode*******\n");
serial_gsm.printf("AT+CLTS=1\r");//Set local time mode
Read_GSM();
/*serial_gsm.printf("AT+CCLK?\r");//Get local time mode
Read_GSM();*/
/*serial_gsm.printf("AT+CSQ\r");//Get Signal quality
Read_GSM();*/
} //****************GPRS Setup*********************//
void GPRS_setup()
{
//int i=0,i1=0;
if(GSM_network_status==1 && GPRS_st==0)
{
pc.printf("*******Attaching GPRS Service********\n");
serial_gsm.printf("AT+CGATT=1\r"); //Attach GPRS service
Read_GSM();
Registration ID: itsme_raju2002@yahoo.co.in Page 9 of 31
pc.printf("*******Select TCPIP applicarion Mode in Normal Mode********\n");
serial_gsm.printf("AT+CIPMODE=0\r"); //Select TCPIP applicarion Mode in Normal Mode
Read_GSM();
pc.printf("*******Show Remote IP Address and Port When Received Data********\n");
serial_gsm.printf("AT+CIPSRIP=1\r"); //Show Remote IP Address and Port When Received
Data
Read_GSM();
pc.printf("*******Set Bearer as GPRS********\n");
serial_gsm.printf("AT+SAPBR=3,1,\"contype\",\"GPRS\"\r"); //Set Bearer as GPRS
Read_GSM();
pc.printf("*******Set Bearer Acess Point********\n");
serial_gsm.printf("AT+SAPBR=3,1,\"APN\",\"airtelgprs.com\"\r"); //Set Bearer Acess Point
Read_GSM();
pc.printf("*******Set Bearer as OPEN BEARER********\n");
serial_gsm.printf("AT+SAPBR=1,1\r"); //Set Bearer as OPEN BEARER
Read_GSM();
pc.printf("*******Quary Bearer connection********\n");
serial_gsm.printf("AT+SAPBR=2,1\r"); //Quary Bearer connection
Read_GSM();
pc.printf("*******Initialize HTTP Service********\n");
serial_gsm.printf("AT+HTTPINIT\r"); //Initialize HTTP Service
Read_GSM();
GPRS_status();
/*pc.printf("*******HTTPS mode enable********\n");
serial_gsm.printf("AT+HTTPSSL=?\r"); //HTTPS mode enable
Read_GSM();*/
}
else if(GSM_network_status==1 && GPRS_st==1)
{
pc.printf("************GPRS connection OK************\n");
}
else
{
pc.printf("************GPRS setup fail************\n");
}
} //****************GPRS Status check*********************//
void GPRS_status()
{
int i=0,i1=0;
GPRS_st=0;
Registration ID: itsme_raju2002@yahoo.co.in Page 10 of 31
pc.printf("*******Quary Bearer connection********\n");
serial_gsm.printf("AT+SAPBR=2,1\r"); //Quary Bearer connection
Read_GSM();
for(i=0;i<GSM_data_l;i++)
{
if(GSM_raw_data[i]=='+')
{
i1=i;
break;
}
}
if(GSM_raw_data[i1+1]=='S' && GSM_raw_data[i1+2]=='A' && GSM_raw_data[i1+3]=='P'
&& GSM_raw_data[i1+4]=='B' && GSM_raw_data[i1+5]=='R')
{
if(GSM_raw_data[i1+10]=='1' && GSM_raw_data[i1+13]!='0')
{
GPRS_st=1;
pc.printf("Bearer connection OK\n");
}
else
{
GPRS_st=0;
pc.printf("Bearer connection NOT OK\n");
}
}
else
{
pc.printf("No communication with GSM Modem\n");
}
myled3=GPRS_st;
}
//***************Get GSM network Date and Time*******//
void network_Date_Time_GSM()
{
int i=0,i1=0,time_z=0;
int GSM_dd=0, GSM_mm=0,GSM_yy=0,GSM_hh=0,GSM_min=0,GSM_sec=0;
pc.printf("*******Get Network local time*******\n");
if(GSM_network_status==1)
{
serial_gsm.printf("AT+CCLK?\r");//Get local time mode
Read_GSM();
for(i=0;i<GSM_data_l;i++)
{
if(GSM_raw_data[i]=='+')
{
i1=i;
Registration ID: itsme_raju2002@yahoo.co.in Page 11 of 31
break;
}
}
if(GSM_raw_data[i1+1]=='C' && GSM_raw_data[i1+2]=='C' && GSM_raw_data[i1+3]=='L'
&& GSM_raw_data[i1+4]=='K')
{
GSM_yy=2000+(GSM_raw_data[i1+8]-48)*10+(GSM_raw_data[i1+9]-48);
GSM_mm=(GSM_raw_data[i1+11]-48)*10+(GSM_raw_data[i1+12]-48);
GSM_dd=(GSM_raw_data[i1+14]-48)*10+(GSM_raw_data[i1+15]-48);
GSM_hh=(GSM_raw_data[i1+17]-48)*10+(GSM_raw_data[i1+18]-48);
GSM_min=(GSM_raw_data[i1+20]-48)*10+(GSM_raw_data[i1+21]-48);
GSM_sec=(GSM_raw_data[i1+23]-48)*10+(GSM_raw_data[i1+24]-48);
time_z=(GSM_raw_data[i1+26]-48)*10+(GSM_raw_data[i1+27]-48);
if(time_z!=22)
{
GSM_hh=GSM_hh+5;
GSM_min=GSM_min+30;
}
if(GPS_status==0)
{
dd=GSM_dd;
mm=GSM_mm;
yyyy=GSM_yy;
hh=GSM_hh;
min=GSM_min;
ss=GSM_sec;
//for UTC Time
hh_utc=GSM_hh-5;
min_utc=GSM_min-30;
set_RTC_clock();
}
pc.printf("Network Date & Time: %d-%d-%d==%d:%d:%d+
%d\n",GSM_dd,GSM_mm,GSM_yy,GSM_hh,GSM_min,GSM_sec,time_z);
}
}
else
{
pc.printf("No Network\n");
}
} //***************Get GSM network Status*******//
void network_GSM()
{
int i=0,i1=0;
int gsm_signal=0;
GSM_network_status=0;
serial_gsm.printf("AT+CREG?\r"); //Check Network Registration status
Registration ID: itsme_raju2002@yahoo.co.in Page 12 of 31
Read_GSM();
if(GSM_data_l>0)
{
for(i=0;i<GSM_data_l;i++)
{
if(GSM_raw_data[i]=='+')
{
i1=i;
break;
}
}
if(GSM_raw_data[i1+1]=='C' && GSM_raw_data[i1+2]=='R' && GSM_raw_data[i1+3]=='E'
&& GSM_raw_data[i1+4]=='G')
{
if(GSM_raw_data[i1+9]=='1' || GSM_raw_data[i1+9]=='5')
{
pc.printf("Network Registration: OK\n");
GSM_network_status=1;
}
else
{
pc.printf("Network Registration: FAIL\n");
GSM_network_status=0;
}
}
}
else
{
pc.printf("No communication with GSM Modem\n");
}
//myled2=GSM_network_status;
serial_gsm.printf("AT+CSQ\r");//Get Signal quality
Read_GSM();
if(GSM_data_l>0)
{
for(i=0;i<GSM_data_l;i++)
{
if(GSM_raw_data[i]=='+')
{
i1=i;
break;
}
}
if(GSM_raw_data[i1+1]=='C' && GSM_raw_data[i1+2]=='S' &&
GSM_raw_data[i1+3]=='Q')
{
if(GSM_raw_data[i1+7]==',')
{
gsm_signal=GSM_raw_data[i1+6]-48;
}
Registration ID: itsme_raju2002@yahoo.co.in Page 13 of 31
else
{
gsm_signal=(GSM_raw_data[i1+6]-48)*10+(GSM_raw_data[i1+7]-48);
}
pc.printf("GSM Signal straingth= %d\n",gsm_signal);
if(gsm_signal>=5 && gsm_signal!=99 && GSM_network_status==1)
{
GSM_network_status=1;
}
else
{
GSM_network_status=0;
}
}
}
else
{
pc.printf("No communication with GSM Modem\n");
}
myled2=GSM_network_status;
pc.printf("\n");
} //***************Read GSM Modem *********************//
void Read_GSM()
{
int i=0,data_l=0;
int start_time=0,w_time=0;
GSM_data_l=0;
for(i=0;i<80;i++)
{
GSM_raw_data[i]=0;
}
i=0;
start_time=t1.read_ms();
w_time=10000;
while((t1.read_ms()-start_time)<=w_time)
{
if(serial_gsm.readable()==1)//for(i=0;i<79;i++)//while(start==0)
{
while(serial_gsm.readable()==1)
{
serial_gsm.scanf("%c",&GSM_raw_data[i]);
i++;
data_l=i;
if(i>79)
{
break;
}
Registration ID: itsme_raju2002@yahoo.co.in Page 14 of 31
}
start_time=t1.read_ms();
w_time=5000;
}
}
if(data_l>0)
{
pc.printf("GSM raw data= ");
for(i=0;i<data_l;i++)
{
pc.printf("%c",GSM_raw_data[i]);
}
pc.printf("----data leanght=%d\n",data_l);
GSM_data_l=data_l;
}
else
{
pc.printf("No data from GSM\n");
}
t1.reset();
}
//*************** Upload IoT Data *********************//
void upload_iot()
{
pc.printf("**********Uploading IoT Data:------>\n");
if(GPRS_st==1)
{
// Reff:>>> http://community.thingspeak.com/forum/thingspeak-api/specifying-timestampwhile-
sending-value/
//Syntax: http://api.thingspeak.com/update?key=XXXXXXXXX&field1=7&created_at=2011-
07-18T01:02:03Z
serial_gsm.printf("AT+HTTPPARA=\"URL\",\"api.thingspeak.com/update?
api_key=06WLAZYPA6QF42Z4&field1=%.1f&field2=%.1f&field3=%.1f&field4=%d&field5=
%d&created_at=%d-%d-%dT%d:%d:
%d\"\r",temp_f,humi_f,temp_dew,pm10,pm25,upload_y,upload_m,upload_d,upload_h,upload_min,
upload_sec);//rtc_utc.tm_year+1900,rtc_utc.tm_mon+1,rtc_utc.tm_mday,rtc_utc.tm_hour,rtc_utc.tm
_min,rtc_utc.tm_sec);
//pc.printf("time:::: %d-%d-%d %d:%d:%d
:\n",rtc.tm_mday,rtc.tm_mon+1,rtc.tm_year+1900,rtc.tm_hour,rtc.tm_min,rtc.tm_sec);
Read_GSM();
serial_gsm.printf("AT+HTTPACTION=0\r");
Read_GSM();
GPRS_upload_status();
wait(0.5);
Registration ID: itsme_raju2002@yahoo.co.in Page 15 of 31
pc.printf("Uploading Verification\n");
serial_gsm.printf("AT+HTTPREAD\r");
Read_GSM();
}
else
{
pc.printf("Uploading fail\n");
}
}
/***********************Upload Status******************************/
void GPRS_upload_status()
{
int i=0,i1=0;
upload_st=0;
if(GSM_data_l>=28)
{
for(i=0;i<GSM_data_l;i++)
{
if(GSM_raw_data[i]=='+')
{
i1=i;
upload_st=1;
break;
}
else
{
upload_st=0;
}
}
}
else
{
upload_st=0;
}
if(upload_st==1)
{
if(GSM_raw_data[i1+1]=='H' && GSM_raw_data[i1+2]=='T' && GSM_raw_data[i1+3]=='T'
&& GSM_raw_data[i1+4]=='P' && GSM_raw_data[i1+5]=='A' && GSM_raw_data[i1+6]=='C'
&& GSM_raw_data[i1+7]=='T'&& GSM_raw_data[i1+8]=='I' && GSM_raw_data[i1+9]=='O' &&
GSM_raw_data[i1+10]=='N')
{
if(GSM_raw_data[i1+14]=='2' && GSM_raw_data[i1+15]=='0' &&
GSM_raw_data[i1+16]=='0' && GSM_raw_data[i1+18]!='0')
{
upload_st=1;
}
else
{
upload_st=0;
}
Registration ID: itsme_raju2002@yahoo.co.in Page 16 of 31
}
else
{
upload_st=0;
}
}
if(upload_st==1)
{
pc.printf("******Data Uploading Successfull*******\n");
}
else
{
pc.printf("******Data Uploading Fail*******\n");
GPRS_st=0;
pc.printf("*******Terminating HTTP Service********\n");
serial_gsm.printf("AT+HTTPTERM\r");
Read_GSM();
pc.printf("*******Closing Bearer********\n");
serial_gsm.printf("AT+SAPBR=0,1\r"); //Cloasing Bearer
Read_GSM();
}
} //**********************Read DH11 *********************************//
void Read_DH11()
{
int start_time=0,end_time1=0,end_time2=0;
int i=0,dh11_bit[41]={0},dh11_st=0,round=0;
int dh11_byte[5]={0};//humi=0,temp=0;
uint8_t parity=0;
humi_f=99;
temp_f=99;
temp_dew=99;
/*for(i=0;i<40;i++)
{
dh11_bit[i]=0;
}*/
while(dh11_st!=1)
{
pc.printf("*******DH11 Reading: Round %d **********\n",round+1);
for(i=0;i<41;i++)
{
dh11_bit[i]=0;
}
Registration ID: itsme_raju2002@yahoo.co.in Page 17 of 31
for(i=0;i<5;i++)
{
dh11_byte[i]=0;
}
parity=0;
DigitalOut dh11_pinout(P10_13); //Use for I/O with DH11 Teperatuer sensor
dh11_pinout=0;
wait(0.02);
DigitalIn dh11_pinin(P10_13,PullNone);
start_time=t1.read_us();
while(dh11_pinin.read()==0)
{}
end_time1=t1.read_us();
while(dh11_pinin.read()==1)
{}
end_time2=t1.read_us();
if((end_time1-start_time)>=80 && (end_time2-start_time)>=160)
{
for(i=0;i<41;i++)
{
start_time=end_time2;
while(dh11_pinin.read()==0)
{}
end_time1=t1.read_us();
while(dh11_pinin.read()==1)
{}
end_time2=t1.read_us();
if((end_time1-start_time)>=50 && (end_time2-start_time)>=74 && (end_time2-
start_time)<=80)
{
dh11_bit[i]=0;
}
else if((end_time1-start_time)>=50 && (end_time2-start_time)>=120)
{
dh11_bit[i]=1;
}
else
{
pc.printf("+++Error+++\n");
dh11_st=2;
break;
}
}
}
else
{
pc.printf("-----DH11 Not Ready\n-----");
Registration ID: itsme_raju2002@yahoo.co.in Page 18 of 31
dh11_st=2;
}
//pc.printf("------");
//for(i=0;i<41;i++)
//{
// pc.printf("%d",dh11_bit[i]);
//}
//pc.printf("\n");
if(dh11_bit[0]==1)
{
for(i=1;i<9;i++)
{
dh11_byte[0]=dh11_byte[0]<<1;
dh11_byte[0]=dh11_byte[0] | dh11_bit[i];
//humi=humi<<1;
//humi=humi | dh11_bit[i];
}
for(i=9;i<17;i++)
{
dh11_byte[1]=dh11_byte[1]<<1;
dh11_byte[1]=dh11_byte[1] | dh11_bit[i];
}
for(i=17;i<25;i++)
{
dh11_byte[2]=dh11_byte[2]<<1;
dh11_byte[2]=dh11_byte[2] | dh11_bit[i];
}
for(i=25;i<33;i++)
{
dh11_byte[3]=dh11_byte[3]<<1;
dh11_byte[3]=dh11_byte[3] | dh11_bit[i];
}
for(i=33;i<41;i++)
{
dh11_byte[4]=dh11_byte[4]<<1;
dh11_byte[4]=dh11_byte[4] | dh11_bit[i];
}
/*for(i=17;i<25;i++)
{
temp=temp<<1;
temp=temp | dh11_bit[i];
}*/
}
Registration ID: itsme_raju2002@yahoo.co.in Page 19 of 31
for(i=0;i<4;i++)
{
pc.printf("%d %0X\n",dh11_byte[i],dh11_byte[i]);
parity=parity+dh11_byte[i];
}
pc.printf("%d %0X\n",parity,parity);
if(parity==dh11_byte[4])
{
humi_f=dh11_byte[0];
temp_f=dh11_byte[2];
temp_dew=243.04*(log(humi_f/100)+((17.625*temp_f)/(243.04+temp_f)))/(17.625-
log(humi_f/100)-((17.625*temp_f)/(243.04+temp_f)));
pc.printf("Humidity= %.2f Temperature= %.2f C Dew Point Temperature= %.2f
C\n",humi_f,temp_f,temp_dew);
if(humi_f>0 && humi_f<=100)
{
dh11_st=1;
}
else
{
dh11_st=0;
}
}
else
{
pc.printf("++++++DH11 Parity ERROR+++++\n");
dh11_st=0;
}
round++;
if(round>1)
{
break;
}
wait(0.5);
}
t1.reset();
}
//*****************************************************************//
//*****************RTC Clock*************************************//
void set_RTC_clock()
{
//web Ref:>>>>https://en.wikipedia.org/wiki/C_date_and_time_functions
//web Ref:>>>>https://developer.mbed.org/blog/entry/103/
//web Ref:>>>>https://developer.mbed.org/users/petereiso/notebook/cc-time-functions/
Registration ID: itsme_raju2002@yahoo.co.in Page 20 of 31
rtc.tm_year=yyyy-1900;
rtc.tm_mon=mm-1;
rtc.tm_mday=dd;
rtc.tm_hour=hh;
rtc.tm_min=min;
rtc.tm_sec=ss;
set_time(mktime(&rtc));
rtc_utc.tm_year=yyyy-1900;
rtc_utc.tm_mon=mm-1;
rtc_utc.tm_mday=dd;
rtc_utc.tm_hour=hh_utc;
rtc_utc.tm_min=min_utc;
rtc_utc.tm_sec=ss;
set_time(mktime(&rtc_utc));
}
void display_RTC()
{
time_t seconds = time(NULL);
//pc.printf("Time as a basic string = %s: ", ctime(&seconds));
strftime(cust_time,23,"%d-%m-%Y %H:%M:%S",localtime(&seconds));
pc.printf("%s:-->",cust_time);
pc.printf("Local Time Time: %d-%d-%d %d:%d:%d :
-->",rtc.tm_mday,rtc.tm_mon+1,rtc.tm_year+1900,rtc.tm_hour,rtc.tm_min,rtc.tm_sec);
}
//*****************Read GPS data from GPS device***************//
void Read_GPS_Data()
{
int i,start=0,gps_data_l=0,valid_data=0;
char gps_raw_data[80],temp[1];
int begin_time1=0,end_time1=0;
int ren=1;
int comma=0;
GPS_status=0;
begin_time1=t1.read_ms();
temp[0]=0;
for(i=0;i<80;i++)
{
gps_raw_data[i]=0;
}
i=0;
if(serial_gps.readable()==1)
{
Registration ID: itsme_raju2002@yahoo.co.in Page 21 of 31
while(start!=2)
{
serial_gps.scanf("%c",&temp[0]);
i++;
if(temp[0]=='$' && i<100)
{
start++;
valid_data=1;
}
else if(i>99)
{
start=2;
valid_data=0;
}
}
if(valid_data==1)
{
for(i=0;i<80;i++)
{
serial_gps.scanf("%c",&gps_raw_data[i]);
if(gps_raw_data[i]=='*')
{
gps_data_l=i;
i=80;
}
}
for(i=0;i<=gps_data_l;i++)
{
if(gps_raw_data[i]==',')
{
comma++;
}
if(comma==9)
{
comma=i;
i=81;
}
}
if(gps_raw_data[17]=='A' && gps_raw_data[comma]==',' && gps_raw_data[comma+1]!=',')
{
dd=(gps_raw_data[comma+1]-48)*10+(gps_raw_data[comma+2]-48);
mm=(gps_raw_data[comma+3]-48)*10+(gps_raw_data[comma+4]-48);
yyyy=2000+(gps_raw_data[comma+5]-48)*10+(gps_raw_data[comma+6]-48);
hh=(gps_raw_data[6]-48)*10+(gps_raw_data[7]-48)+5;
min=(gps_raw_data[8]-48)*10+(gps_raw_data[9]-48)+30;
ss=(gps_raw_data[10]-48)*10+(gps_raw_data[11]-48);
Registration ID: itsme_raju2002@yahoo.co.in Page 22 of 31
hh_utc=hh-5;
min_utc=min-30;
//i=0;
while(ren!=0)
{
end_time1=t1.read_ms();
ren=(end_time1-begin_time1)%1000;
//i++;
//pc.printf("x");
}
//pc.printf("xx%d %d xx",ren, (end_time1-begin_time1));
ss=ss+(end_time1-begin_time1)/1000;
GPS_status=1;
//pc.printf("<---%d-%d-%d--%d:%d:%d--->",dd,mm,yyyy,hh,min,ss);
set_RTC_clock();
}
else
{
GPS_status=0;
}
for(i=0;i<=gps_data_l;i++)
{
pc.printf("%c",gps_raw_data[i]);
}
pc.printf("\n");
wait(2);
}
}
else
{
pc.printf("--->No GPS Data <-----\n");
}
t1.reset();
} /*****************Read SDS011************************************/
void read_sds011()
{
int i=0,i1=0,start_time=0,valid_sds011=0;
char raw_data_sds011[20]={0};
char check_s=0;
pm25=0;
pm10=0;
id_sds011=0;
/*for(i=0;i<10;i++)
{
Registration ID: itsme_raju2002@yahoo.co.in Page 23 of 31
raw_data_sds011[i]=0;
}*/
//Serial serial_sds011(P8_13,P8_11)
pc.printf("******Reading SDS011*******\n");
start_time=t1.read_ms();
while((t1.read_ms()-start_time)<15000)
{
if(serial_sds011.readable()==1)
{
while(serial_sds011.readable()==1)
{
serial_sds011.scanf("%c",&raw_data_sds011[i]);
//pc.printf("%02X ",raw_data_sds011[i]);
i++;
if(i>=20)
{
break;
}
}
}
if(i>=20)
{
break;
}
}
t1.reset();
pc.printf("\nRaw data SDS011: ");
for(i=0;i<20;i++)
{
pc.printf("%02X ",raw_data_sds011[i]);
}
for(i=0;i<10;i++)
{
if(raw_data_sds011[i]==0xaa && i<10 && raw_data_sds011[i+1]==0xc0 &&
raw_data_sds011[i+9]==0xab)
{
i1=i;
check_s=raw_data_sds011[i+2]+raw_data_sds011[i+3]+raw_data_sds011[i+4]+raw_data_s
ds011[i+5]+raw_data_sds011[i+6]+raw_data_sds011[i+7];
if(check_s==raw_data_sds011[i+8])
{
//pc.printf("SDS011 data: Valid. Check Sum=%02X\n",check_s);
valid_sds011=1;
}
else
{
//pc.printf("SDS011 data: Checksum ERROR. Check Sum=%02X\n",check_s);
valid_sds011=2;
Registration ID: itsme_raju2002@yahoo.co.in Page 24 of 31
}
break;
}
else
{
//pc.printf("SDS011 data is Inalid\n");
valid_sds011=0;
}
}
if(valid_sds011==0)
{
pc.printf("\nSDS011 Data= INVALID\n");
}
else if(valid_sds011==1)
{
pc.printf("\nSDS011 Data= VALID\n");
pm25=raw_data_sds011[i1+3];
pm25=raw_data_sds011[i1+2]+(pm25<<8);
pm10=raw_data_sds011[i1+5];
pm10=raw_data_sds011[i1+4]+(pm10<<8);
//pm25=(raw_data_sds011[i1+3]*256+raw_data_sds011[i1+2])/10;
//pm10=(raw_data_sds011[i1+5]*256+raw_data_sds011[i1+4])/10;
//pc.printf("PM2.5=%04X PM10=%04X\n",pm25,pm10);
//pc.printf("PM2.5=%d PM10=%d\n",pm25,pm10);
pm25=pm25/10;
pm10=pm10/10;
pc.printf("PM2.5=%d PM10=%d\n",pm25,pm10);
}
else
{
pc.printf("\nSDS011 Data= CHECKSUM ERROR\n");
}
pc.printf("\n");
//return;
} /******** MicroSD Card Status*****************/
void microSD_status()
{
pc.printf("*******MicroSD Card Stratus***********\n");
FILE *fp = NULL;
fp=fopen("/sd/tower01.txt", "r");
file_size=0;
if(fp == NULL)
{
pc.printf("Could not open file for read or write\n");
wait(5);
Registration ID: itsme_raju2002@yahoo.co.in Page 25 of 31
pc.printf("Trynig 2nd Time\n");
fp = fopen("/sd/tower01.txt", "r");
}
else
{
//fprintf(fp, "Hello fun SD Card World!");
fseek(fp,0,SEEK_END);
file_size=ftell(fp);
pc.printf("File Size: %d byte\n",file_size);
pc.printf("MicroSD Card Status : OK\n");
fclose(fp);
//microSD_st=1;
return;
}
if(fp==NULL)
{
pc.printf("Try to cread file tower01.txt\n");
fp = fopen("/sd/tower01.txt", "w");
if(fp==NULL)
{
pc.printf("Could not open file for read or write\n");
}
else
{
pc.printf("New file tower01.txt created\n");
fclose(fp);
}
}
else
{
//fprintf(fp, "Hello fun SD Card World!");
fseek(fp,0,SEEK_END);
file_size=ftell(fp);
pc.printf("File Size: %d Byte\n",file_size);
pc.printf("MicroSD Card Status : OK\n");
fclose(fp);
//microSD_st=1;
}
if(file_size>0 && file_size<=155)
{
pc.printf("Not A valid tower01.txt file. Removing ......");
if(remove("/sd/tower01.txt")==0)
{
pc.printf("Successful\n");
pc.printf("Try to cread file tower01.txt\n");
fp = fopen("/sd/tower01.txt", "w");
if(fp==NULL)
{
pc.printf("Could not open file for read or write\n");
Registration ID: itsme_raju2002@yahoo.co.in Page 26 of 31
}
else
{
pc.printf("New file tower01.txt created\n");
fclose(fp);
file_size=0;
}
}
else
{
pc.printf("Unable to remove... unknown ERROR\n");
}
}
else
{
pc.printf("FILE SIZE= %d byte---OK\n",file_size);
}
//pc.printf("*******Seving data END in MicroSD Card ***********\n");
} /******** Seving data in MicroSD Card *****************/
void save_microSD()
{
int save_byte=0;
FILE *fp = NULL;
pc.printf("*******Seving data in MicroSD Card ***********\n");
fp=fopen("/sd/tower01.txt", "a");
if(fp == NULL)
{
pc.printf("Could not open file for write\n");
wait(5);
pc.printf("Trynig 2n Time\n");
fp = fopen("/sd/tower01.txt", "a");
}
if(fp==NULL)
{
pc.printf("Could not open file for write\n");
}
else
{
//fprintf(fp, "Hello fun SD Card World!");
//fseek(fp,0,SEEK_END);
save_byte=fprintf(fp,"AT+HTTPPARA=\"URL\",\"api.thingspeak.com/update?
api_key=06WLAZYPA6QF42Z4&field1=%.1f&field2=%.1f&field3=%.1f&field4=%d&field5=
%d&created_at=%d-%d-%dT%d:%d:
%d\"\r",temp_f,humi_f,temp_dew,pm10,pm25,upload_y,upload_m,upload_d,upload_h,upload_min,
upload_sec);
//save_byte=fprintf(fp, "Hello fun SD Card World!");
Registration ID: itsme_raju2002@yahoo.co.in Page 27 of 31
//fprintf(fp,"\n");
pc.printf("Number of Byte Saved: %d\n",save_byte);
pc.printf("Seving data in MicroSD Card: Sucess\n");
fclose(fp);
}
pc.printf("*******Seving data END in MicroSD Card ***********\n");
} /**********************Upload Save Data ***************************/
void upload_save_data()
{
FILE *fp_read=NULL;
FILE *fp_edit=NULL;
int i=0,file_pos=0;
int end=0;
data_lot_len=0;
for(i=0;i<180;i++)
{
file_read[i]=NULL;
}
//pc.printf("FILE SIZE= %d\n",file_size);
if(file_size>155)
{
pc.printf("________________________Uploadting Save DATA____________________\n");
fp_read=fopen("/sd/tower01.txt", "r");
pc.printf("File Raw Data Below and Current File position %d:\n",ftell(fp_read));
//fscanf(fp_read,"%d",&end);
while(end!=EOF)
{
end=getc(fp_read);
//pc.printf("%c",end);
//end=file_read[0];
if(data_lot_len<180)
{
file_read[data_lot_len]=end;
//pc.printf("%c",end);
}
data_lot_len++;
if(end=='\r')
{
file_pos=ftell(fp_read);
break;
}
Registration ID: itsme_raju2002@yahoo.co.in Page 28 of 31
}
for(i=0;i<data_lot_len;i++)
{
pc.printf("%c",file_read[i]);
}
//pc.printf("\n%s",file_read);
pc.printf("\nData Lot = %d\n",data_lot_len);
pc.printf("Current File position: %d\n",file_pos);
fclose(fp_read);
/*uploading save data*/
if(GPRS_st==1)
{
// Reff:>>> http://community.thingspeak.com/forum/thingspeak-api/specifying-timestampwhile-
sending-value/
//Syntax: http://api.thingspeak.com/update?
key=XXXXXXXXX&field1=7&created_at=2011-07-18T01:02:03Z
//serial_gsm.printf("AT+HTTPPARA=\"URL\",\"api.thingspeak.com/update?
api_key=06WLAZYPA6QF42Z4&field1=%.1f&field2=%.1f&field3=%.1f&field4=%d&field5=
%d&created_at=%d-%d-%dT%d:%d:
%d\"\r",temp_f,humi_f,temp_dew,pm10,pm25,upload_y,upload_m,upload_d,upload_h,upload_min,
upload_sec);//rtc_utc.tm_year+1900,rtc_utc.tm_mon+1,rtc_utc.tm_mday,rtc_utc.tm_hour,rtc_utc.tm
_min,rtc_utc.tm_sec);
//pc.printf("time:::: %d-%d-%d %d:%d:%d
:\n",rtc.tm_mday,rtc.tm_mon+1,rtc.tm_year+1900,rtc.tm_hour,rtc.tm_min,rtc.tm_sec);
for(i=0;i<data_lot_len;i++)
{
//serial_gsm.printf("%c",file_read[i]);
serial_gsm.printf("%c",file_read[i]);
}
Read_GSM();
serial_gsm.printf("AT+HTTPACTION=0\r");
Read_GSM();
GPRS_upload_status();
wait(0.5);
pc.printf("Uploading Verification\n");
serial_gsm.printf("AT+HTTPREAD\r");
Read_GSM();
}
else
{
pc.printf("Saved data uploading fail\n");
}
if(upload_st==1) //if Upload sucessful erase uploaded data from file
{
upload_st=0;
pc.printf("Editing tower01.txt File\n");
Registration ID: itsme_raju2002@yahoo.co.in Page 29 of 31
fp_read=fopen("/sd/tower01.txt", "r");
fp_edit=fopen("/sd/copy.txt", "w");
fseek(fp_read,file_pos,SEEK_SET);
pc.printf("\n ______Current File position: %d\n",ftell(fp_read));
end=0;
while(end!=EOF)
{
end=getc(fp_read);
if(end>0 && end<=127)
{
//end=getc(fp_read);
pc.printf("%c",end);
putc(end,fp_edit);
}
}
fclose(fp_read);
fclose(fp_edit);
pc.printf("Copping Compleated\n");
fp_read=fopen("/sd/copy.txt", "r");
if(fp_read!=NULL)
{
//fseek(fp_read,0,SEEK_END);
//if(ftell(fp_read)>150)
//{
fseek(fp_read,0,SEEK_SET);
fp_edit=fopen("/sd/tower01.txt", "w");
end=0;
while(end!=EOF)
{
end=getc(fp_read);
if(end>0 && end<=127)
{
//end=getc(fp_read);
pc.printf("%c",end);
putc(end,fp_edit);
}
}
fclose(fp_edit);
fclose(fp_read);
if(remove("/sd/copy.txt")==0)
{
pc.printf("\ncopy.txt file deleted\n");
}
else
{
pc.printf("\ncopy.txt file unable to delete\n");
}
Registration ID: itsme_raju2002@yahoo.co.in Page 30 of 31
//}
}
else
{
pc.printf("\ncopy.txt file fail to open\n");
}
}
}
else if(file_size>0 && file_size<=155)
{
pc.printf("Not A valid tower01.txt file.\n");
}
else
{
pc.printf("Nothing for Uploading\n");
}
//fclose(fp_read);
}