Diff: main.cpp

Branch:

MbedBMAGThrRev

Revision:

31:342036402df2

Parent:

30:072e918663b8

Child:

32:a8d74b3c9d6f

--- a/main.cpp	Tue Sep 05 12:46:19 2017 +0000
+++ b/main.cpp	Wed Sep 06 04:51:05 2017 +0000
@@ -394,65 +394,84 @@
             
             timeDiffStrLen = strlen(tmpTimeDiff);  
             
-            //ensure correct timestamp
-            if(tmpTimeDiff[timeDiffStrLen-4] == '1'){
+            //ensure correct timestamp, if more than or equal to 1000ms has passed.
+            if(tmpTimeDiff[0] == '1'){
+                
+                //initialize temporary char arrays
                 memset(tmpChar1, '\0', 5);
                 memset(tmpChar2, '\0', 5);
                 
+                //first temporary array gets the timestamp section containing seconds.
                 tmpChar1[0] = gpsNMEA.currentUTCFromGPRMC[6];
                 tmpChar1[1] = gpsNMEA.currentUTCFromGPRMC[7];
                 
+                //add one to the temporary seconds counter, and assign it to second temporary char array
                 snprintf(tmpChar2, 5, "%d", ((atoi(tmpChar1) + 1))); 
                 
-                if(atoi(tmpChar2)%60 != 0){
+                //if a remainder is present after division by 60 seconds
+                if((atoi(tmpChar2)%60) != 0){
                     
+                    //if the seconds counter has one digit
                     if(strlen(tmpChar2) == 1){
                         gpsNMEA.currentUTCFromGPRMC[6] = '0';
                         gpsNMEA.currentUTCFromGPRMC[7] = tmpChar2[0];     
                     }
-                    
+                    //if the seconds counter has two digits
                     if(strlen(tmpChar2) == 2){
                         gpsNMEA.currentUTCFromGPRMC[6] = tmpChar2[0];
                         gpsNMEA.currentUTCFromGPRMC[7] = tmpChar2[1];
                     }    
                 }
                 
+                //if a remainder is not present after division by 60 seconds
                 if(atoi(tmpChar2)%60 == 0){
+                    
+                    //set the seconds counter to 00
                     gpsNMEA.currentUTCFromGPRMC[6] = '0';
                     gpsNMEA.currentUTCFromGPRMC[7] = '0'; 
                     
+                    //assign the two digits of the minute counter to tmpChar1
                     tmpChar1[0] = gpsNMEA.currentUTCFromGPRMC[3];
                     tmpChar1[1] = gpsNMEA.currentUTCFromGPRMC[4];
                     
+                    //add one to the minute counter and assign it to tmpChar2 array
                     snprintf(tmpChar2, 5, "%d", ((atoi(tmpChar1) + 1)));
                     
+                    //if remainder present after division by 60
                     if(atoi(tmpChar2)%60 != 0){
-                        
+                        //if 1 digit is present, assign the new incremented minute counter
                         if(strlen(tmpChar2) == 1){
                             gpsNMEA.currentUTCFromGPRMC[3] = '0';
                             gpsNMEA.currentUTCFromGPRMC[4] = tmpChar2[0];          
                         }
                         
+                        //if two digits are present. assign the new incremented minute counter
                         if(strlen(tmpChar2) == 2){  
                             gpsNMEA.currentUTCFromGPRMC[3] = tmpChar2[0];
                             gpsNMEA.currentUTCFromGPRMC[4] = tmpChar2[1];
                         }    
                     }
                     
+                    //if no remainder is present after division by 60
                     if(atoi(tmpChar2)%60 == 0){
+                        //set minute counter digits to 00                        
                         gpsNMEA.currentUTCFromGPRMC[3] = '0';
                         gpsNMEA.currentUTCFromGPRMC[4] = '0';
                         
+                        //assign hour counter to tmpChar1 array
                         tmpChar1[0] = gpsNMEA.currentUTCFromGPRMC[0];
                         tmpChar1[1] = gpsNMEA.currentUTCFromGPRMC[1];
                         
+                        //increment hour counter and assign to tmpChar2
                         snprintf(tmpChar2, 5, "%d", ((atoi(tmpChar1) + 1)));
                         
+                        //if hour counter is one digit long
                         if(strlen(tmpChar2) == 1){
                             gpsNMEA.currentUTCFromGPRMC[0] = '0';
                             gpsNMEA.currentUTCFromGPRMC[1] = tmpChar2[0];
                         }
                         
+                        //if hour counter is 2 digits long
                         if(strlen(tmpChar2) == 2){
                             gpsNMEA.currentUTCFromGPRMC[0] = tmpChar2[0];
                             gpsNMEA.currentUTCFromGPRMC[1] = tmpChar2[1];