Diff: main.cpp

Revision:

0:353a3e2f6d51

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 21 11:54:16 2014 +0000
@@ -0,0 +1,208 @@
+
+
+#include "mbed.h"
+#include "TextLCD.h"
+
+
+AnalogIn sm1(p15);
+AnalogIn sm2(p16);
+AnalogIn sm3(p17);
+AnalogIn sm4(p18);
+DigitalOut relay(p30);
+Serial GPRS(p9,p10);
+Serial uart(p13,p14);
+Serial pc(USBTX, USBRX); // tx, rx
+TextLCD lcd(p26, p25, p24, p23, p22, p21); // rs, e, d4, d5, d6, d7
+LocalFileSystem local("local");
+DigitalOut uart_activity(LED2);
+char  a=26,e=0x22,c=0x0d,t,ack;
+char num[]="9538765141";
+float ma;
+float s[5],m[5];
+int b=100,count;
+char col1[]="TIMES",col2[]="SM1",col3[]="SM2",col4[]="SM3",col5[]="SM4";
+DigitalOut zig(LED1);
+int mz[5];
+
+void SensorRead()
+{
+ 
+   lcd.locate(0,0);
+   lcd.printf("sensor readings\r");
+         s[1]=sm1.read();
+         m[1]=(0.057*(s[1]*1024))+25.072;
+         lcd.cls();
+         lcd.printf("Raw SM1=%0.3f",s[1]); 
+         wait(2);
+         
+         s[2]=sm2.read();
+         m[2]=(0.057*(s[2]*1024))+25.072;
+         lcd.cls();
+         lcd.printf("Raw SM2=%0.3f",s[2]); 
+         wait(2);
+         
+          s[3]=sm3.read();
+         m[3]=(0.057*(s[3]*1024))+25.072;
+         lcd.cls();
+         lcd.printf("Raw SM3=%0.3f",s[3]); 
+         wait(2);
+         
+          s[4]=sm4.read();
+         m[4]=(0.057*(s[4]*1024))+25.072;
+         lcd.cls();
+         lcd.printf("Raw SM4=%0.3f",s[4]); 
+         wait(2);
+         
+         ma=(m[1]+m[2]+m[3]+m[4])/4;
+         lcd.locate(0,0);
+         lcd.printf("average value is=%f\n\r",ma);
+         wait(2);
+}
+
+void xlfile()
+{        
+        //Local storage (On board flash memory of 2MB) 
+        count++;
+        FILE *fp=fopen("/local/KAEMS.csv","a");
+        fprintf(fp,"%d,%0.3f,%0.3f,%0.3f,%0.3f,%0.3f\n",count,m[1],m[2],m[3],m[4],m);
+        fclose(fp);
+        lcd.cls();
+        lcd.printf("File updated");
+        wait(2);
+}
+       //Realy control
+void RelayControl() 
+{      
+        if(ma>40)
+        relay=0;
+        else
+        relay=1;
+        wait(2); 
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("Relay Function...");
+        wait(2);
+}
+
+void Upload()
+{
+        //GPRS commands
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("Updating KAEMS...");
+        wait(3);
+        GPRS.printf("AT+SAPBR=0,1\r\n");
+        wait(3);
+        GPRS.printf("AT+SAPBR=3,1,%cCONTYPE%c,%cGPRS%c\r\n",e,e,e,e);
+        wait(3);
+        GPRS.printf("AT+SAPBR=3,1,%cAPN%c,%cAIRCELGPRS.COM%c\r\n",e,e,e,e);
+        wait(3);
+        GPRS.printf("AT+SAPBR=1,1\r\n");
+        wait(3);
+        GPRS.printf("AT+HTTPINIT\r\n");
+        wait(2);
+        GPRS.printf("AT+HTTPPARA=%cCID%c,1\r\n",e,e);
+        wait(2);
+        GPRS.printf("AT+HTTPPARA=%cURL%c,%chttp://kaems.org/update.php?u=3&t=23&h=34&s1=%f&s2=%f&s3=%f&s4=%f&ph=5&b=%d%c\r\n",e,e,e,m[1],m[2],m[3],m[4],b--,e);
+        wait(2);
+        GPRS.printf("AT+HTTPDATA=1000,5000\r\n"); 
+        wait(10);
+        GPRS.printf("AT+HTTPACTION=1\r\n"); 
+        wait(5);
+        GPRS.printf("AT+HTTPTERM\r\n");
+        wait(5);
+        
+        
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("KAEMS UPDATED");
+        wait(3);
+}
+
+void SendMessage()
+{
+         lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("SENDING MESSAGE");
+        if(ma<40)
+        {
+            GPRS.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
+            wait(3);
+            GPRS.printf(" WATER LEVEL IS LOW \nMoisture IS %f \r\n",ma);
+            wait(1);
+            GPRS.printf("%c",a);
+            wait(2);
+        }
+        if(ma>40)
+        
+        {
+             GPRS.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
+            wait(3);
+            GPRS.printf(" land has sufficicient amount of water \n Moisture IS %f \r\n",ma);
+            wait(1);
+            GPRS.printf("%c",a);
+            wait(2);
+        }    
+}
+//zigbee sending
+void Zigbee()
+{
+        while(!uart.writeable())         // send thde signal to slave to indacate that the remote station is ready
+        {}
+        uart.printf("r");
+         lcd.cls();
+        lcd.printf("command sent");
+        wait(5);
+        if(uart.readable())              //recieve the signal from remote station
+        { 
+       
+            ack=uart.getc();
+            lcd.cls();
+            lcd.printf("recieved ack is %c",ack);
+        }
+        
+        if(ack =='s')
+        {    
+        for(int i=1;i<5;i++)  
+        {
+             mz[i]=m[i];
+             while(!uart.writeable())
+             {}
+           
+             uart.printf("%c",mz[i]);
+             wait(1);
+             lcd.cls();
+             zig=!zig;
+             lcd.printf("Zigbee sent a value=%d",mz[i]);
+             wait(3);
+         }
+          }
+}
+       
+       
+int main()
+{
+         GPRS.baud(9600);
+         GPRS.printf("AT+CMGF=1\r\n");
+         GPRS.printf("AT\n");
+         wait(3);
+         lcd.locate(0,0);
+         lcd.printf("SYSTEM IS ON\n\r");
+         wait(1);
+         FILE *fp=fopen("/local/KAEMS.csv","a");
+         fprintf(fp,"%s,%s,%s,%s,%s\n",col1,col2,col3,col4,col5);
+         fclose(fp);
+         
+    while(1)
+    {
+        SensorRead();
+        xlfile();
+       // Zigbee();
+        RelayControl();
+        Upload(); 
+        SendMessage();
+        wait(3600);
+    }
+}    
+
+