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tag: release1.1
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/*
* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. No personal names or organizations' names associated with the
* Atomthreads project may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "atom.h"
#include "atomtimer.h"
#include "atomtests.h"
/* Test OS objects */
static ATOM_TIMER timer_cb[4];
/* Global test data */
static int callback_ran_flag[4];
/* Forward declarations */
static void testCallback (POINTER cb_data);
/**
* \b test_start
*
* Start timer test.
*
* This test exercises the atomTimerCancel() API, particularly its
* behaviour when there are several timers registered. Four timers
* are registered, two of which are cancelled, and the test confirms
* that only the two which are not cancelled are called back.
*
* @retval Number of failures
*/
uint32_t test_start (void)
{
int failures;
int i;
/* Default to zero failures */
failures = 0;
/* Clear down the ran flag for all four timers */
for (i = 0; i < 4; i++)
{
callback_ran_flag[i] = FALSE;
}
/*
* Fill out four timer request structures. Callbacks are
* requested starting in one second, with the others
* at 1 tick intervals thereafter.
*/
for (i = 0; i < 4; i++)
{
/*
* testCallback() is passed a pointer to the flag it
* should set to notify that it has run.
*/
timer_cb[i].cb_ticks = SYSTEM_TICKS_PER_SEC + i;
timer_cb[i].cb_func = testCallback;
timer_cb[i].cb_data = &callback_ran_flag[i];
}
/* Register all four timers */
for (i = 0; i < 4; i++)
{
if (atomTimerRegister (&timer_cb[i]) != ATOM_OK)
{
ATOMLOG (_STR("TimerReg\n"));
failures++;
}
}
/* Check timers were successfully created */
if (failures == 0)
{
/* Cancel two of the callbacks */
if (atomTimerCancel (&timer_cb[1]) != ATOM_OK)
{
ATOMLOG (_STR("Cancel1\n"));
failures++;
}
if (atomTimerCancel (&timer_cb[2]) != ATOM_OK)
{
ATOMLOG (_STR("Cancel2\n"));
failures++;
}
/* Wait two seconds for callbacks to complete */
if (atomTimerDelay(2 * SYSTEM_TICKS_PER_SEC) != ATOM_OK)
{
ATOMLOG (_STR("Wait\n"));
failures++;
}
else
{
/*
* We should now find that timer callbacks 0 and 3
* have run, but 1 and 2 did not (due to cancellation).
*/
if ((callback_ran_flag[0] != TRUE) || (callback_ran_flag[3] != TRUE)
|| (callback_ran_flag[1] != FALSE) || (callback_ran_flag[2] != FALSE))
{
ATOMLOG (_STR("Cancellations\n"));
failures++;
}
}
}
/* Quit */
return failures;
}
/**
* \b testCallback
*
* Set a flag to say we ran. Some of the callbacks are
* expected to execute this, while those that are
* cancelled should not.
*
* @param[in] cb_data Not used
*/
static void testCallback (POINTER cb_data)
{
/* Callback was called */
*(int *)cb_data = TRUE;
}
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