Minor changes

README.md

@@ -16,4 +16,13 @@ The only dependency is [ZeroMQ](https://zeromq.org/). After installing the ZeroM
 ### Deployment
 1. Update `config.mk` according to your needs \*\***IMPORTANT**\*\*
 2. On the nodes equiped with the ina260 chips run `make publish`
-3. On the node that collect the measurements (broker, frontend etc..) run `make subscribe`
+3. On the node that collect the measurements (broker, frontend etc..) run `make subscribe`
+
+### Notes
+- Message format used in ZeroMQ exchanges:
+
+    1: <ZMQ_TOKEN>
+    2: <KEY>
+    3: <CLIENT>
+    4: <INTERVAL>
+    5-n:<CSV-DATA>

src/logger.c

@@ -70,6 +70,7 @@ int main (int argc, char *argv [])
   
   while(!__stop){
     interval=INTERVAL(__loginterval);
+    *logfilepath='\0'; // Clear previous path
     sprintf(logfilepath,"%s/%ld",__logdir,interval);
     logptr=fopen(logfilepath,"w");
     // Write file header: