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Add Atomthreads RTOS source files.
This commit is contained in:
Kelvin Lawson
258
tests/timer1.c
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258
tests/timer1.c
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/*
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* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. No personal names or organizations' names associated with the
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* Atomthreads project may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "atom.h"
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#include "atomsem.h"
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#include "atomtimer.h"
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#include "atomtests.h"
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/* Test OS objects */
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static ATOM_SEM sem1;
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/* Forward declarations */
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static void testCallback (POINTER cb_data);
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/**
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* \b test_start
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*
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* Start timer test.
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*
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* This test exercises the atomTimerDelay() API. It checks that
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* the correct time delay is used, and also checks that error
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* checking is correctly implemented within the API.
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*
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* @retval Number of failures
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*/
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uint32_t test_start (void)
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{
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int failures;
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uint32_t start_time, end_time;
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ATOM_TIMER timer_cb;
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/* Default to zero failures */
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failures = 0;
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/* Test parameter-checks */
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if (atomTimerDelay(0) != ATOM_ERR_PARAM)
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{
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ATOMLOG(_STR("Param\n"));
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failures++;
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}
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/* Create a semaphore for receiving test notification */
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if (atomSemCreate (&sem1, 0) != ATOM_OK)
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{
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ATOMLOG (_STR("SemCreate\n"));
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failures++;
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}
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else
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{
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/*
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* Create a timer callback which will attempt to
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* call atomTimerDelay() at interrupt context.
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*/
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timer_cb.cb_func = testCallback;
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timer_cb.cb_data = NULL;
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timer_cb.cb_ticks = SYSTEM_TICKS_PER_SEC;
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/* Request the timer callback to run in one second */
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if (atomTimerRegister (&timer_cb) != ATOM_OK)
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{
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ATOMLOG (_STR("TimerRegister\n"));
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failures++;
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}
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/* Wait up to two seconds for sem1 to be posted indicating success */
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else if (atomSemGet (&sem1, 2 * SYSTEM_TICKS_PER_SEC) != ATOM_OK)
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{
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ATOMLOG (_STR("Context check\n"));
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failures++;
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}
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/* Delete the test semaphore */
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if (atomSemDelete (&sem1) != ATOM_OK)
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{
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ATOMLOG (_STR("Delete\n"));
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failures++;
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}
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}
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/*
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* Test that a 1 tick delay returns when system time
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* has increased by exactly 1 tick.
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*/
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/*
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* We first delay by 1 tick to ensure that the thread
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* is running at the start of a new tick, which should
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* ensure that the time does not tick over between
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* setting start_time and actually calling
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* atomTimerDelay().
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*/
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atomTimerDelay(1);
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/* Record the start time */
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start_time = atomTimeGet();
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/* Request a 1 tick sleep */
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if (atomTimerDelay(1) != ATOM_OK)
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{
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ATOMLOG (_STR("Delay1\n"));
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failures++;
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}
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else
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{
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/* Record the time we woke up */
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end_time = atomTimeGet();
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/* Check that time has advanced by exactly 1 tick */
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if ((end_time - start_time) != 1)
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{
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ATOMLOG (_STR("Tick1:%d\n"), (end_time-start_time));
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failures++;
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}
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}
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/*
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* Test that a 2 tick delay returns when system time
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* has increased by exactly 2 ticks.
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*/
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/*
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* We first delay by 1 tick to ensure that the thread
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* is running at the start of a new tick, which should
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* ensure that the time does not tick over between
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* setting start_time and actually calling
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* atomTimerDelay().
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*/
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atomTimerDelay(1);
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/* Record the start time */
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start_time = atomTimeGet();
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/* Request a 2 tick sleep */
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if (atomTimerDelay(2) != ATOM_OK)
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{
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ATOMLOG (_STR("Delay2\n"));
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failures++;
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}
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else
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{
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/* Record the time we woke up */
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end_time = atomTimeGet();
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/* Check that time has advanced by exactly 2 ticks */
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if ((end_time - start_time) != 2)
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{
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ATOMLOG (_STR("Tick2:%d\n"), (end_time-start_time));
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failures++;
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}
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}
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/*
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* Test that a 500 tick delay returns when system time
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* has increased by exactly 500 ticks.
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*/
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/*
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* We first delay by 1 tick to ensure that the thread
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* is running at the start of a new tick, which should
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* ensure that the time does not tick over between
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* setting start_time and actually calling
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* atomTimerDelay().
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*/
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atomTimerDelay(1);
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/* Record the start time */
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start_time = atomTimeGet();
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/* Request a 500 tick sleep */
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if (atomTimerDelay(500) != ATOM_OK)
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{
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ATOMLOG (_STR("Delay500\n"));
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failures++;
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}
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else
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{
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/* Record the time we woke up */
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end_time = atomTimeGet();
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/* Check that time has advanced by exactly 500 ticks */
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if ((end_time - start_time) != 500)
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{
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ATOMLOG (_STR("Tick500:%d\n"), (end_time-start_time));
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failures++;
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}
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}
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/* Log final status */
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if (failures == 0)
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{
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ATOMLOG (_STR("Pass\n"));
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}
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else
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{
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ATOMLOG (_STR("Fail(%d)\n"), failures);
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}
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/* Quit */
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return failures;
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}
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/**
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* \b testCallback
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*
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* Attempt an atomTimerDelay() call from interrupt context.
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* Should receive an ATOM_ERR_CONTEXT error. Posts sem1 if successful.
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*
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* @param[in] cb_data Not used
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*/
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static void testCallback (POINTER cb_data)
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{
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/* Check the return value from atomTimerDelay() */
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if (atomTimerDelay(1) == ATOM_ERR_CONTEXT)
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{
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/* Received the error we expected, post sem1 to notify success */
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atomSemPut(&sem1);
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}
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else
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{
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/*
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* Did not get the expected error, don't post sem1 and the test
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* thread will time out, signifying an error.
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*/
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}
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}
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