Hey all,
I want to use a precise timer so that I would like to use the Unix struct
timeval to get the time in microseconds
The small code bellow gets the time in microseconds
#include <stdlib.h>
#include <sys/time.h>
struct timeval tv;
unsigned long getTime(){
gettimeofday(&tv, NULL)
return tv.tv_usec;
}
int main(){
printtf("Time in u_seconds: %3d\n", getTime());
return 0;
}
I want to embed or call the function getTime() in the nesC App. I created a .h
file and a .c file which contains the function getTime(). How should I modify
my Makefile to compile and link the c code with the nesC app?
COMPONENT = MyComponentC
BUILD_EXTRA_DEPS = utime.o
utime.o: utime.c
gcc -g -o -Wall -pedantic utime.c
include $(MAKERULES)
utime.h
#include <stdlib.h>
#include <sys/time.h>
struct timeval tv;
------------------------------------------------------
utime.c
----------------------
#include "utime.h"
unsigned long getTime(){
gettimeofday(&tv, NULL);
return tv.tv_usec;
}
.nc File
#include "utime.h"
module myModule{
}....
When I try to compile I get several error massages.. one of them is "
sys/time.h" file not found
Thanks in advance...
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