bsps/arm/lpc32xx/start/timer.c


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/**
 * @file
 *
 * @ingroup arm_lpc32xx
 *
 * @brief Benchmark timer support.
 */

/*
 * Copyright (c) 2008, 2009
 * embedded brains GmbH
 * Obere Lagerstr. 30
 * D-82178 Puchheim
 * Germany
 * <rtems@embedded-brains.de>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#include <rtems.h>
#include <rtems/btimer.h>

#include <bsp.h>

static uint32_t benchmark_timer_base;

void benchmark_timer_initialize(void)
{
  benchmark_timer_base = lpc32xx_timer();
}

benchmark_timer_t benchmark_timer_read(void)
{
  return lpc32xx_timer() - benchmark_timer_base;
}

void benchmark_timer_disable_subtracting_average_overhead(bool find_average_overhead)
{
  /* VOID */
}