basic lightning detector with gps and sd card logging

Dependencies:   AS3935 AdafruitGPS SDFileSystem TSI mbed ConfigFile

Revision:
11:a4096e656762
Parent:
9:15c9bf86d908
Child:
12:7c58c7a6b25c
diff -r 15c9bf86d908 -r a4096e656762 main.cpp
--- a/main.cpp	Wed Jul 01 14:00:03 2015 +0000
+++ b/main.cpp	Wed Jul 01 19:29:54 2015 +0000
@@ -9,7 +9,7 @@
 #include "time.h"
 #include <string>
 
-#define FW_VER  3
+#define FW_VER  4
 
  // frdm-kl25z as3935 connections for spi1 
  // ------------------------------------------------
@@ -76,6 +76,9 @@
 
 void DetectLightning()
 {
+    /* After the signal IRQ goes high the external
+    unit should wait 2ms before reading the interrupt register. */ 
+    wait_ms(2);
     OriginInt = ld.interruptSource();
     gDistance = ld.lightningDistanceKm();
     energy   = ld.getEnergy();
@@ -113,7 +116,7 @@
     // write to the current log file
     char       time_str[32];
     time_t     seconds = time(NULL);
-    seconds -= 14500;  // 14400 = 60*60*4, kludgy way of setting est
+    seconds -= 14400;  // 14400 = 60*60*4, kludgy way of setting est
     struct tm *tminfo = localtime(&seconds);
     strftime(time_str, 32, "%m/%d/%Y,%T", tminfo);
     fprintf(fp,"%s,%ld,",time_str,seconds);