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DELAY(): Use rtems_counter_delay_nanoseconds()

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This commit is contained in:
Sebastian Huber 2015-09-30 16:06:22 +02:00
parent 880d9299f1
commit 556a07ca44
1 changed files with 6 additions and 16 deletions
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22
rtemsbsd/rtems/rtems-bsd-delay.c
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@ -7,11 +7,11 @@
*/
/*
* Copyright (c) 2009, 2010 embedded brains GmbH.
* Copyright (c) 2009, 2015 embedded brains GmbH
* All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
@ -40,24 +40,14 @@
#include <machine/rtems-bsd-kernel-space.h>
#include <rtems/bsd/sys/param.h>
#include <rtems/bsd/sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <rtems/counter.h>
void
DELAY(int usec)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
/* FIXME: Integer conversion */
rtems_interval ticks =
((rtems_interval) usec * (rtems_interval) hz) / 1000000;
if (ticks == 0) {
ticks = 1;
}
sc = rtems_task_wake_after(ticks);
BSD_ASSERT(sc == RTEMS_SUCCESSFUL);
uint32_t ns = 1000 * (uint32_t)usec;
BSD_ASSERT((uint32_t)usec <= UINT32_MAX / 1000);
rtems_counter_delay_nanoseconds(ns);
}