main.cpp

00001 #include "hcsr04.h"
00002 #include "TextLCD.h"
00003 #include "rtos.h"
00004 #include <string>
00005 
00006 DigitalOut myled(LED1);
00007 DigitalOut myled1(LED2);
00008 DigitalOut myled2(LED3);
00009 Serial pc(USBTX, USBRX);
00010 //TextLCD lcd(p21,p22,p23,p24,p25,p26);
00011 HCSR04  usensor(p15,p16);
00012 HCSR04  usensor1(p21,p22);
00013 HCSR04  usensor2(p23,p24);
00014 
00015 Serial SIM900(p13, p14);   //tx, rx SIM 900
00016 string result;
00017 char x;
00018 Thread thread;
00019 unsigned int dist;
00020 unsigned int dist1;
00021 unsigned int dist2;
00022 
00023 void clearString()
00024  {
00025   result.clear();
00026   }
00027  
00028 void callback_rx() {
00029  
00030     while (SIM900.readable()) {
00031       x = SIM900.getc();
00032       result += x;
00033     pc.putc(x); // print the answer from SIM900
00034  
00035        }
00036 }
00037 
00038 void sendSMS1()
00039 {
00040  
00041 clearString();
00042   SIM900.printf("AT+CMGF=1\r\n"); //at command for send sms
00043     wait_ms(1000);
00044 clearString();
00045 wait_ms(1000);
00046 SIM900.printf("AT+CMGS=");
00047 SIM900.putc('"');
00048 SIM900.printf("+919405204727");
00049 SIM900.putc('"');
00050 SIM900.printf("\r");
00051 SIM900.printf("\n");
00052 wait_ms(1000);
00053 SIM900.printf("Bin 1 is full");
00054 wait_ms(1000);
00055 SIM900.putc(0x1A);
00056 wait_ms(5000);
00057 }
00058  
00059  void sendSMS2()
00060 {
00061  
00062 clearString();
00063   SIM900.printf("AT+CMGF=1\r\n"); //at command for send sms
00064     wait_ms(1000);
00065 clearString();
00066 wait_ms(1000);
00067 SIM900.printf("AT+CMGS=");
00068 SIM900.putc('"');
00069 SIM900.printf("+919405204727");
00070 SIM900.putc('"');
00071 SIM900.printf("\r");
00072 SIM900.printf("\n");
00073 wait_ms(1000);
00074 SIM900.printf("Bin 2 is full");
00075 wait_ms(1000);
00076 SIM900.putc(0x1A);
00077 wait_ms(5000);
00078 }
00079  
00080  void sendSMS3()
00081 {
00082  
00083 clearString();
00084   SIM900.printf("AT+CMGF=1\r\n"); //at command for send sms
00085     wait_ms(1000);
00086 clearString();
00087 wait_ms(1000);
00088 SIM900.printf("AT+CMGS=");
00089 SIM900.putc('"');
00090 SIM900.printf("+919405204727");
00091 SIM900.putc('"');
00092 SIM900.printf("\r");
00093 SIM900.printf("\n");
00094 wait_ms(1000);
00095 SIM900.printf("Bin 3 is full");
00096 wait_ms(1000);
00097 SIM900.putc(0x1A);
00098 wait_ms(5000);
00099 }
00100 
00101 
00102 void led1_thread() {
00103     while (true) {
00104         wait_ms(10);
00105 sendSMS1();  // SEND SMS
00106  wait_ms(10);
00107  
00108         
00109         Thread::wait(1000);
00110     }
00111 }
00112 
00113 void led2_thread() {
00114     while (true) {
00115         wait_ms(10);
00116 sendSMS2();  // SEND SMS
00117  wait_ms(100);
00118  
00119         
00120         Thread::wait(1000);
00121     }
00122 }
00123 void led3_thread() {
00124     while (true) {
00125         wait_ms(10);
00126 sendSMS3();  // SEND SMS
00127  wait_ms(100);
00128  
00129         Thread::wait(1000);
00130     }
00131 }
00132 
00133 
00134 int main()
00135 {
00136  SIM900.attach(&callback_rx);
00137 SIM900.baud(9600); //
00138 wait_ms(100);
00139  
00140     while(1) 
00141       {
00142         usensor.start();
00143         usensor1.start();
00144         usensor2.start();
00145         wait_ms(500); 
00146         dist=usensor.get_dist_cm();
00147         dist1=usensor1.get_dist_cm();
00148         dist2=usensor2.get_dist_cm();
00149   //      lcd.locate(0,0);
00150     //    lcd.printf("distance"); 
00151         if(dist<20)
00152         {
00153         myled=1;
00154         thread.start(led1_thread);
00155       //  lcd.locate(0,0);
00156        // lcd.printf("dist=cm:%ld\r\n",dist );
00157         }
00158         else
00159         {
00160         myled=0;
00161        // lcd.printf("abnormal");
00162         }
00163         
00164     if(dist1<20)
00165         {
00166         myled1=1;
00167         thread.start(led2_thread);
00168         //lcd.locate(0,0);
00169         //lcd.printf("dist=cm:%ld\r\n",dist );
00170         }
00171         else
00172         {
00173         myled1=0;
00174         
00175         }
00176         
00177         if(dist2<20)
00178         {
00179         myled2=1;
00180         thread.start(led3_thread);
00181         //lcd.locate(0,0);
00182         //lcd.printf("dist=cm:%ld\r\n",dist );
00183         }
00184         else
00185         {
00186         myled2=0;
00187         //lcd.printf("abnormal");
00188         }
00189       }
00190       
00191 
00192 
00193 
00194 }