Minor changes

config.mk

@@ -15,6 +15,10 @@ ZMQ_MSG_SIZE=2550
 # LOGGERS_DIR will contains all the data generated by the loggers
 # a.k.a the ina260 power measurements
 LOGGERS_DIR=./logs
+# LOGGER_DELAY defines the delay between 2 consecutive
+# ina260 power read performed by the logger
+# Unit is milliseconds
+LOGGER_DELAY=1000
 # SUBSCRIBER_DIR will contain all the measurments
 # received from the publishers
 SUBSCRIBER_DIR=./data

src/logger.c

@@ -9,6 +9,10 @@
 #include "utils.h"
 #include <time.h>
 
+#ifndef LOGGER_DELAY
+#define LOGGER_DELAY 0
+#endif
+
 // Global:
 char *__client;
 char __logdir[255];
@@ -70,7 +74,9 @@ int main (int argc, char *argv [])
       clock_gettime(CLOCK_REALTIME,&power_ts);
       fprintf(logptr,"%d,%ld,%d\n",power_ts.tv_sec,power_ts.tv_nsec,power);
       fseek(regptr,0,SEEK_SET);
-      sleep(1);
+#if LOGGER_DELAY > 0
+      usleep(LOGGER_DELAY*1000);
+#endif
       printf("Tick\n"); fflush(stdout);
     }
     fclose(logptr);