Minor changes

src/logger.c

@@ -13,26 +13,44 @@
 #include <time.h>
 
 // Global:
-char __client*;
-char __logdir*;
-int __logfrequency,
+char *__client;
+char __logdir[255];
+char __regpower[100];
+int __logfrequency;
 
 void start(char *power_path, char *busid, char *chipaddr);
 
 int main (int argc, char *argv [])
 {
-  if(argc != 3){
+  if(argc != 4){
     printf("Usage: %s <abslogdir> <client> <logfrequency>",argv[0]);
     exit(1);
   }
 
+  //----- Init global variables
+  __client=argv[2];
+  __logfrequency=atoi(argv[3]);
+  // __logdir:
+  strcat(__logdir,argv[1]);
+  strcat(__logdir,"/");
+  strcat(__logdir,__client);
+  // __regpower:
+  strcat(__regpower,INA260_SYSFS);
+  strcat(__regpower,"/");
+  strcat(__regpower,__client);
+  strcat(__regpower,"/");
+  strcat(__regpower,INA260_POWER_REGISTER);
+
   // Extract bus id and ina260 chip address
-  char busid[10];
+  /*char busid[10];
   char chipaddr[10];
   char *base=basename(argv[1]);
   sscanf(base,"%[^-]-%[^-]",busid,chipaddr);
 
-  start("/home/loic/out.txt", busid,chipaddr);
+  start("/home/loic/out.txt", busid,chipaddr);*/
+
+  // printf("ts=%d, dur=%d, interval=%d\n",15,__logfrequency,INTERVAL(15,__logfrequency));
+  // printf("ts=%d, dur=%d, interval_last=%d\n",15,__logfrequency,INTERVAL_LAST(15,__logfrequency));
 
   return 0;
 }

src/utils.h

@@ -1,5 +1,15 @@
+#include <time.h>
+
 #define STR(symbol) #symbol
 #define STRINGIFY(symbol) STR(symbol)
 
 #define INA260_SYSFS "/sys/kernel/ina260"
 #define INA260_POWER_REGISTER "registers/power"
+
+#define INTERVAL(timestamp,duration)\
+    ((timestamp) - ((timestamp)%(duration)))
+
+#define INTERVAL_LAST(timestamp,duration)\
+    (INTERVAL(INTERVAL((timestamp),(duration))-1,(duration)))
+
+#define TIMESTAMP() (time(NULL))