source: mypx/test/test_dlynse.c @ 7

/*
 *  TOPPERS Software
 *      Toyohashi Open Platform for Embedded Real-Time Systems
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 *  Copyright (C) 2007-2013 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
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/*
 *              sil_dly_nse€ËŽØ€¹€ë¥Æ¥¹¥È
 */

#include <kernel.h>
#include <sil.h>
#include <test_lib.h>
#include <t_syslog.h>
#include "kernel_cfg.h"
#include "test_dlynse.h"

/*
 *  SIL_DLY_TIM1€ÈSIL_DLY_TIM2€ò»²ŸÈ€¹€ë€¿€á€Ë¡€¥«¡Œ¥Í¥ëÍрΥإåÀ¥Õ¥¡
 *  ¥€¥ë€ò¥€¥ó¥¯¥ë¡Œ¥É€¹€ë¡¥
 */
#include "kernel/kernel_impl.h"

#define NO_LOOP         ULONG_C(1000000)

SYSTIM  empty_time;

static void
test_empty(void)
{
        SYSTIM  stime, etime;
        volatile ulong_t        i;

        get_tim(&stime);
        for (i = 0; i < NO_LOOP; i++) {
        }
        get_tim(&etime);
        empty_time = etime - stime;
        syslog(LOG_NOTICE, "empty loop: %u", empty_time);
        syslog_flush();
}

static void
test_dly_nse(ulong_t dlytim)
{
        SYSTIM  stime, etime, delay_time;
        volatile ulong_t        i;

        get_tim(&stime);
        for (i = 0; i < NO_LOOP; i++) {
                sil_dly_nse(dlytim);
        }
        get_tim(&etime);
        delay_time = (etime - stime) - empty_time;
        syslog(LOG_NOTICE, "sil_dly_nse(%u): %u %s", (uint_t)(dlytim),
                                (uint_t)(delay_time), delay_time > dlytim ? "OK" : "NG");
        syslog_flush();
}

void
main_task(intptr_t exinf)
{
        test_start(__FILE__);

        test_empty();

        syslog(LOG_NOTICE, "-- for fitting parameters --");
        test_dly_nse(0);
        test_dly_nse(SIL_DLY_TIM1);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 1);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 2);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 3);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 4);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 5);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 10);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 20);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 50);

        syslog(LOG_NOTICE, "-- for checking boundary conditions --");
        test_dly_nse(SIL_DLY_TIM1 + 1);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 1 + 1);
        test_dly_nse(SIL_DLY_TIM1 + SIL_DLY_TIM2 * 2 + 1);

        test_finish();
}