Diff: main.cpp

Revision:

0:b28a97d78384

diff -r 000000000000 -r b28a97d78384 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jul 16 08:09:57 2018 +0000
@@ -0,0 +1,235 @@
+//Code to recieve serial comms on 
+//mbed appBoard with xbees
+#include "mbed.h"
+#include "C12832_lcd.h" // Include for LCD code
+#include "stdlib.h" 
+#include"string"
+#include"stdio.h"
+#include "WiflyInterface.h"
+#include "HTTPClient.h"
+
+
+//          watchdog
+class Watchdog {
+public:
+// Load timeout value in watchdog timer and enable
+    void kick(float s) {
+        LPC_WDT->WDCLKSEL = 0x1;                // Set CLK src to PCLK
+        uint32_t clk = SystemCoreClock / 16;    // WD has a fixed /4 prescaler, PCLK default is /4
+        LPC_WDT->WDTC = s * (float)clk;
+        LPC_WDT->WDMOD = 0x3;                   // Enabled and Reset
+        kick();
+    }
+// "kick" or "feed" the dog - reset the watchdog timer
+// by writing this required bit pattern
+    void kick() {
+        LPC_WDT->WDFEED = 0xAA;
+        LPC_WDT->WDFEED = 0x55;
+    }
+};
+ 
+// Setup the watchdog timer
+Watchdog wdt;
+
+
+//  Variable
+//      In lab version
+//WiflyInterface wifly(p9, p10, p30, p29, "stroustrup", "stroustrupfsktm", WPA);
+WiflyInterface wifly(p9, p10, p30, p29, "FSKTM-Training", "Training2018", WPA);
+HTTPClient http;
+char str[5];
+int iPrint;
+C12832_LCD lcd;
+Serial xbee(p13, p14);
+DigitalOut rst1(p15);
+DigitalOut myled(LED1); 
+
+Ticker myTicker;
+int loadingStatus = 0;
+
+void loadingcharLcd(void)
+{
+    lcd.locate(120,20);
+    if(loadingStatus == 0)
+        lcd.printf("-");
+    else if(loadingStatus == 1)
+        lcd.printf("\\");
+    else if(loadingStatus == 2)
+        lcd.printf("|");
+    else if(loadingStatus == 3)
+    {
+        lcd.printf("/");
+        loadingStatus = -1;
+    }
+    loadingStatus++;
+    
+        
+}
+
+//  Function
+void SendDataToThingSpeak (int iValue);
+void InitiateWifi(void);
+void InitiateXbee(void);
+void ReadXbee ();
+//  int main 
+int main() 
+{
+    wdt.kick(50.0); 
+    while(1) 
+    {
+// call read xbee
+        
+
+        ReadXbee(); 
+        lcd.cls();  
+        lcd.locate(0,1);        
+        lcd.printf("The distance is : %d   \n",iPrint);
+        wait(1);
+        lcd.cls();  
+        lcd.locate(0,1);        
+        lcd.printf("Wifi-connection verification... \n");
+        
+        myTicker.attach(&loadingcharLcd, 0.25);
+        
+        InitiateWifi();
+        
+        myTicker.detach();
+        lcd.cls();
+        lcd.locate(0,1);
+        lcd.printf("Wifi-connection verification\nDone!");
+        wait_ms(400);
+        
+        SendDataToThingSpeak(iPrint);
+        wifly.disconnect();
+//        wifly.disconnect();
+//        InitiateXbee();
+//        wait (2);
+    } //while(1)
+}// int main()
+
+void SendDataToThingSpeak (int iValue)
+{
+    int iCounter=-1;
+    char reverseData[4];
+    int toSend;
+    toSend=iValue;
+    char tempStr[] = "https://api.thingspeak.com/update?api_key=PQXV093BQK2UNXIV&field2=    ";
+    
+ 
+    do
+    {
+        iCounter++;
+        reverseData[iCounter]=toSend%10;
+        reverseData[iCounter]+=48;
+        toSend/=10;
+    }while(toSend!=0);
+    
+   
+
+    
+    for(int i= 0; i < iCounter+1; i++)
+    {
+        tempStr[66+i]= reverseData[iCounter-i];  
+    }
+  //  tempStr[67+iCounter]='/';
+    printf("iC %d RD %s \n", iCounter, reverseData);
+    
+    lcd.cls();  
+    lcd.locate(0,1);
+    lcd.printf("iC %d RD %s \n", iCounter, reverseData);       
+    
+    HTTPMap map;
+    HTTPText text(str, 1);
+    map.put("", "");
+//    tempStr[66]=55;
+    char tempStr1[] = "https://api.thingspeak.com/";
+    printf("Trying to post data to the Cloud...%s \n", tempStr1);
+    
+    lcd.cls();  
+    lcd.locate(0,1);    
+    lcd.printf("Uploading To Cloud\nTHINGSPEAK");
+    
+    myTicker.attach(&loadingcharLcd, 0.25);
+
+    http.post(tempStr, map, &text,1);
+    
+    myTicker.detach();
+  
+}// void SendDataToThingSpeak
+
+void InitiateWifi(void)
+{
+    
+    wifly.init(); //Use DHCP
+    wifly.connect(); 
+//    wait (2);
+}// wifi
+
+void InitiateXbee(void)
+{
+    rst1 = 0;
+    wait_ms(10); 
+    rst1 = 1;
+    wait_ms(10);
+    
+} // xbee
+
+void ReadXbee (void)
+{
+    printf("Waiting For The Sensor Node To Send Sensor Data To The Gateway \n");
+    
+    lcd.cls();  
+    lcd.locate(0,1);    
+    lcd.printf("Receiving Data From Sensor Node...\n");
+    
+     myTicker.attach(&loadingcharLcd, 0.25);
+    
+
+    
+    InitiateXbee();
+    int toPrint=0;
+    for(int j=0;j<18;j++)
+        toPrint=xbee.getc(); 
+
+   iPrint=0;
+
+   do
+    {
+        toPrint=xbee.getc();
+        //printf("toPrint %c \n", toPrint);
+    }while(toPrint!='$');
+    while (!(xbee.readable()));
+    toPrint=xbee.getc();
+    //printf("toPrint %c \n", toPrint);
+    iPrint=0;
+    if(toPrint=='$')
+    {
+        do{
+            toPrint=xbee.getc();
+        }while(toPrint=='$');    
+    }
+  
+    while (!(toPrint=='$'))
+    {
+        iPrint=(toPrint-48)+iPrint*10;
+        //printf("iPrint %d \n", iPrint);
+        while (!(xbee.readable()));
+        toPrint=xbee.getc();
+        printf("toPr %d , iPr %d \n", toPrint, iPrint);
+        if ((LPC_WDT->WDMOD >> 2) & 1)
+            printf("WatchDog :: Status On");    
+
+           
+    }   
+    printf("The Sensor Data Has Been Received \n");
+    
+    lcd.cls();
+    lcd.locate(0,1);    
+    lcd.printf("he Sensor Data Has Been Received \n");
+    
+    wdt.kick();
+    
+
+    myTicker.detach();
+    
+}