Revision 13:3d717008645c, committed 2015-07-15

Comitter:

cmkachur

Date:

Wed Jul 15 21:25:24 2015 +0000

Parent:

12:7c58c7a6b25c

Commit message:

Eliminate 50 ms delay when changing LED in main loop. ; Add a configuration parameter for using the RTC. The default is to use the RTC time.; Update FW version to 5.

Changed in this revision

--- a/main.cpp	Wed Jul 01 19:39:05 2015 +0000
+++ b/main.cpp	Wed Jul 15 21:25:24 2015 +0000
@@ -9,7 +9,7 @@
 #include "time.h"
 #include <string>
 
-#define FW_VER  4
+#define FW_VER  5
 
  // frdm-kl25z as3935 connections for spi1 
  // ------------------------------------------------
@@ -61,6 +61,7 @@
 unsigned int minNumLight; 
 unsigned int spikeRej; 
 unsigned int maskDisturber; 
+unsigned int bUseRtc; 
 }sys_cfg_t;
 
 // default configuration values 
@@ -71,6 +72,7 @@
                         .minNumLight    = 0, 
                         .spikeRej       = 2,
                         .maskDisturber  = 0, 
+                        .bUseRtc        = 1,
                     }; 
 
 
@@ -217,6 +219,7 @@
                                 {"minimum_num_light",   &lSysCfg.minNumLight},
                                 {"spike_reject",        &lSysCfg.spikeRej}, 
                                 {"mask_disturber",      &lSysCfg.maskDisturber}, 
+                                {"use_rtc",             &lSysCfg.bUseRtc}, 
                              }; 
     ConfigFile *plCfgFile;
     string fileName; 
@@ -290,7 +293,6 @@
 
 int main()
 {
-    
     unsigned char regBuff[MAX_CONFIG_REGS]; 
     char c;
     Timer refresh_Timer; //sets up a timer for use in loop; how often do we print GPS info?
@@ -313,7 +315,7 @@
     gpsd.minute=1;
     gpsd.seconds=1;
     red = 1;
-    green = 1;
+    
     pc.printf("Touch slider to start lightning detector application\r\n");
     while(1) {
         green = 1;   // turn led off
@@ -404,7 +406,7 @@
             // the ld detector generated an interrupt, log the event
             IntLightning.disable_irq();
             writeLogFile(OriginInt,gDistance, energy);
-            //ld.clearStats();
+            
             OriginInt = -1;
             gDistance = -1;
             energy = -1;
@@ -421,67 +423,84 @@
         }
         
         //check if we recieved a new message from GPS, if so, attempt to parse it,
-        if ( gpsd.newNMEAreceived() ) {
-            if ( !gpsd.parse(gpsd.lastNMEA()) ) {
+        if ( gpsd.newNMEAreceived() ) 
+        {
+            if ( !gpsd.parse(gpsd.lastNMEA()) ) 
+            {
                 continue;   
             }    
+            else 
+            {
+                // if the rtc is not running, update the rtc clock with the latest gps time stamp
+                if ( rtcRunning == false )
+                {
+                    IntLightning.disable_irq();
+                    // update system time with the lastest gps time stamp
+                    SetDateTime(gpsd.year+2000,
+                            gpsd.month-1,
+                            gpsd.day,
+                            gpsd.hour,
+                            gpsd.minute,
+                            gpsd.seconds);
+                    IntLightning.enable_irq();   
+                }
+            }
         }
-        
-        // if the rtc is not running, update the rtc clock with the latest gps time stamp
-        if ( rtcRunning == false )
-        {
-            // update rtc with the lastest gps time stamp
-            SetDateTime(gpsd.year+2000,
-                    gpsd.month-1,
-                    gpsd.day,
-                    gpsd.hour,
-                    gpsd.minute,
-                    gpsd.seconds);
-         }
                             
         //check if enough time has passed to warrant printing GPS info to screen
         //note if refresh_Time is too low or pc.baud is too low, GPS data may be lost during printing
         if (refresh_Timer.read_ms() >= refresh_Time) 
         {
+            if (green)
+                green = 0; 
+            else 
+                green = 1;  
+            
             if (gpsd.fix) {
                 // got a gps fix
                 if (gpsFix == false)
                 {
                     // first time fix obtained
                     gpsFix = true;
-                    // bug check - rtc may not be running.  check if it is incrementing
-                    time_t     seconds_a = time(NULL);  // get the current rtc second count
-                    wait(2);   // wait two seconds
-                    time_t     seconds_b = time(NULL);  // get the current rtc second count
-                    if (seconds_a != seconds_b)
+                    
+                    if (sysCfg.bUseRtc)
                     {
-                        // rtc must be running
-                        rtcRunning = true;
-                        pc.printf("RTC is running\r\n");
+                        // bug check - rtc may not be running.  check if it is incrementing
+                        time_t     seconds_a = time(NULL);  // get the current rtc second count
+                        wait(2);   // wait two seconds
+                        time_t     seconds_b = time(NULL);  // get the current rtc second count
+                        if (seconds_a != seconds_b)
+                        {
+                            // rtc must be running
+                            rtcRunning = true;
+                            pc.printf("RTC is running\r\n");
+                        }
+                        else
+                        {
+                            // rtc is not running, we need to update the rtc every pass through the while loop
+                            rtcRunning = false;  // the gps time will update the system time  
+                            pc.printf("RTC is not running\r\n");
+                        }
                     }
-                    else
+                    else 
                     {
-                        // rtc is not running, we need to update the rtc every pass through the while loop
-                        rtcRunning = false;  // the gps time will update the rtc
-                        pc.printf("RTC is not running\r\n");
+                        rtcRunning = false;  // the gps time will update the system clock time 
                     }
                     
-                    // set the rtc with the latest gps time
+                    IntLightning.disable_irq();
+                    // set the system with the latest gps time
                     SetDateTime(gpsd.year+2000,
-                    gpsd.month-1,
-                    gpsd.day,
-                    gpsd.hour,
-                    gpsd.minute,
-                    gpsd.seconds);
+                                gpsd.month-1,
+                                gpsd.day,
+                                gpsd.hour,
+                                gpsd.minute,
+                                gpsd.seconds);
+                    IntLightning.enable_irq();   
+                    
                     pc.printf("GPS fix obtained on %02d/%02d/20%02d_%02d:%02d:%02d (UTC)\r\n",gpsd.month,gpsd.day,gpsd.year,gpsd.hour,gpsd.minute,gpsd.seconds);
-                    //pc.printf("Touch slider to suspend application\r\n");
+                    
                     pc.printf("Waiting for lighting detection...\r\n");
                 }
-                
-                //red = 1;  // turn led off
-                //pc.printf("turn green on\r\n");
-                green = 0;  // turn led on
-                wait_ms(50);
             }
             else
             {
@@ -491,15 +510,7 @@
             }
           
             // restart the timer for the gps print loop  
-           // writeLogFile(-2);
             refresh_Timer.reset();    
         }
-        else
-        {
-            //red = 0; // turn led on
-            //pc.printf("turn green off\r\n");
-            green = 1; // turn green led off
-        } // end else refresh timer            
     }
-  
 }