Diff: Beacon.cpp

Revision:

1:d4cbfcb2be46

Parent:

0:8b33ba38cc3a

--- a/Beacon.cpp	Fri Jul 04 09:51:12 2014 +0000
+++ b/Beacon.cpp	Tue Dec 16 13:00:07 2014 +0000
@@ -2,12 +2,14 @@
 
 Beacon::Beacon(PinName gpsTx, PinName gpsRx, PinName xbTx, PinName xbRx, int freq, int len) : 
     gps(gpsTx, gpsRx),
+    sd(p5, p6, p7, p8, "sd"),
     L1(LED1),
     L2(LED2),
     L3(LED3),
     L4(LED4), 
     XBee(xbTx, xbRx),
-    PPS(p5),
+    PPS(p30),
+    CD(p25),
     T1(p11),
     T2(p12),
     T3(p15),
@@ -27,6 +29,7 @@
     RxTO = false;
     PulseFrequency = 25;   //Hz
     Pulselength = 1000; //usec
+    SDEnabled = false;
 }
 
 // Beacon initialisation
@@ -34,30 +37,22 @@
     
     // Power down ethernet module
     PHY_PowerDown();
-    
     // Initialize dipswitches
     initDipSwitch();
-    
     // Read beacon number and timing offset
     readDipSwitch();
     
+    SDEnabled = initSD();
     // Set baud rate
     XBee.baud(9600);
-    
-    XBee.printf("\r\n.. Beacon (ID:%d) Initializing ..\n",BeaconNumber);
 
     // Initialize GPS unit
     gps.Init();
-    
     //Attach interrupt to rising edge of GPS PPS pin
     PPS.rise(this, &Beacon::ppsSync);
     
     // Initialize PWM
-    resetPWM(PulseFrequency, Pulselength);
-
-    XBee.printf("\r\n.. Beacon (ID:%d) Initialization finished ..\n",BeaconNumber);
-    
-    L1 = 1;
+    resetPWM(PulseFrequency, Pulselength);   
     
     return true;
 }
@@ -107,6 +102,34 @@
 //---------------------------------------------------------------------------
 
 
+
+//------------------------------------SD------------------------------------
+bool Beacon::initSD(){
+    CD.mode(PullUp);
+    
+    if (CD == 1) {
+        L3 = 1;
+        FILE *fp = fopen("/sd/log.txt", "a");
+        if(fp == NULL) {
+            fclose(fp);
+            return false;
+        }
+        else{
+            fprintf(fp,"\r\nSTART LOG");
+            fclose(fp);
+            L4 = 1;
+            return true;
+        }    
+    }
+    else{
+        return false;
+    }    
+}    
+
+//---------------------------------------------------------------------------
+
+
+
 //------------------------------------PWM------------------------------------
 void Beacon::startPWM(){
     // enable PWM mode and counting
@@ -167,6 +190,7 @@
 void Beacon::printStatus(){
     // Print the status of a Beacon
     XBee.printf("\r\n\nBeacon (ID:%d); TimingOffset: %d",BeaconNumber, TimingOffset);
+    XBee.printf("\r\nLogging enabled: %d (0=off,1=on)",SDEnabled);
     XBee.printf("\r\nLast GPS update: %d:%d:%2.2f",gps.hours, gps.minutes, gps.seconds);
     XBee.printf("\r\nFlash frequency: %d Hz; Pulse length: %d usec", PulseFrequency, Pulselength);
     XBee.printf("\r\nPulse generation: %d (0=off,1=on)",PWMon);
@@ -323,6 +347,14 @@
         XBee.printf("\r\nBeacon (ID:%d) did not understand message",BeaconNumber);
         XBee.printf("\r\nReceived: %s",RxBuffer);
     }
+    
+    if (SDEnabled){
+        FILE *fp = fopen("/sd/log.txt", "a");
+        fprintf(fp,"\r\n%d:%d:%2.2f Received: %s",gps.hours, gps.minutes, gps.seconds, RxBuffer);
+        fclose(fp);
+    }
+        
+    
     // Flush buffer
     for (int i=0;i<255;i++){
         RxBuffer[i] = '0';