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add time delta to hwtimer

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This commit is contained in:
Ludwig Ortmann 2013-10-24 16:34:54 +02:00
parent cf2a40ee48
commit 7e02c7dd2b
1 changed files with 6 additions and 1 deletions
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7
cpu/native/hwtimer_cpu.c
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@ -45,6 +45,7 @@
#define HWTIMERMINOFFSET 100000
static unsigned long native_hwtimer_now;
static unsigned long time_null;
static int native_hwtimer_irq[ARCH_MAXTIMERS];
static struct itimerval native_hwtimer[ARCH_MAXTIMERS];
@ -240,7 +241,7 @@ unsigned long hwtimer_arch_now(void)
#endif
_native_in_syscall = 0;
native_hwtimer_now = ts2ticks(&t);
native_hwtimer_now = ts2ticks(&t) - time_null;
DEBUG("hwtimer_arch_now(): it is now %lu s %lu ns\n",
(unsigned long)t.tv_sec, (unsigned long)t.tv_nsec);
@ -263,6 +264,10 @@ void hwtimer_arch_init(void (*handler)(int), uint32_t fcpu)
native_hwtimer[i].it_interval.tv_usec = 0;
}
/* init time delta */
time_null = 0;
time_null = hwtimer_arch_now();
hwtimer_arch_enable_interrupt();
return;
}