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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (C) 2022 German Aerospace Center (DLR)
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <rtems/test.h>
#include <rtems/test-info.h>
#include <rtems/timespec.h>
#include <rtems/rtems/event.h>
#define _KERNEL
#include <sys/timepps.h>
const char rtems_test_name[] = "SPPPS 1";
#define PPS_EVENT RTEMS_EVENT_0
#define TASK_WAITING RTEMS_EVENT_1
#define PPS_EVENT_RECEIVED RTEMS_EVENT_2
struct test_pps_device {
struct pps_state pps;
rtems_id task_waiting;
};
typedef struct {
rtems_id main_task;
struct test_pps_device *pps_dev;
} test_context;
T_TEST_CASE( WaitPPSEventDefaultHandler )
{
int status;
struct test_pps_device pps_dev;
struct pps_fetch_args fetch;
pps_dev.task_waiting = RTEMS_INVALID_ID;
memset( &pps_dev.pps, 0, sizeof( pps_dev.pps ) );
pps_dev.pps.ppscap = PPS_CAPTUREBOTH;
pps_init_abi( &pps_dev.pps );
pps_dev.pps.ppsparam.mode = PPS_CAPTUREASSERT;
status = pps_ioctl( PPS_IOC_FETCH, (caddr_t)&fetch, &pps_dev.pps );
T_eq_int( status, ETIMEDOUT );
}
static void wakeup(struct pps_state *pps)
{
struct test_pps_device *pps_dev;
pps_dev = RTEMS_CONTAINER_OF( pps, struct test_pps_device, pps );
if (pps_dev->task_waiting != RTEMS_INVALID_ID)
rtems_event_send( pps_dev->task_waiting, PPS_EVENT );
}
static int wait(struct pps_state *pps, struct timespec timeout)
{
rtems_status_code sc;
rtems_event_set out;
uint32_t timeoutticks;
struct test_pps_device *pps_dev;
pps_dev = RTEMS_CONTAINER_OF( pps, struct test_pps_device, pps );
pps_dev->task_waiting = rtems_task_self();
timeoutticks = rtems_timespec_to_ticks(&timeout);
sc = rtems_event_receive( PPS_EVENT, RTEMS_DEFAULT_OPTIONS, timeoutticks, &out );
return rtems_status_code_to_errno(sc);
}
static void pps_task(rtems_task_argument arg)
{
int status;
rtems_status_code sc;
struct pps_fetch_args fetch;
test_context *ctx;
ctx = (test_context *) arg;
fetch.tsformat = PPS_TSFMT_TSPEC;
fetch.timeout.tv_sec = 1;
fetch.timeout.tv_nsec = 0;
sc = rtems_event_send( ctx->main_task, TASK_WAITING );
T_rsc_success( sc );
status = pps_ioctl( PPS_IOC_FETCH, (caddr_t)&fetch, &ctx->pps_dev->pps );
T_eq_int( status, 0 );
sc = rtems_event_send( ctx->main_task, PPS_EVENT_RECEIVED );
T_rsc_success( sc );
rtems_task_delete(rtems_task_self());
}
T_TEST_CASE( WakeupTaskWithPPSEvent )
{
int status;
rtems_status_code sc;
struct test_pps_device pps_dev;
struct pps_kcbind_args kcbind;
test_context ctx;
rtems_id pps_task_id;
rtems_task_priority pps_task_prio = 1;
rtems_event_set out;
pps_dev.task_waiting = RTEMS_INVALID_ID;
ctx.pps_dev = &pps_dev;
ctx.main_task = rtems_task_self();
memset( &pps_dev.pps, 0, sizeof( pps_dev.pps ) );
pps_dev.pps.ppscap = PPS_CAPTUREBOTH;
pps_init_abi( &pps_dev.pps );
pps_dev.pps.wait = wait;
pps_dev.pps.wakeup = wakeup;
pps_dev.pps.ppsparam.mode = PPS_CAPTUREASSERT;
kcbind.kernel_consumer = PPS_KC_HARDPPS;
kcbind.edge = PPS_CAPTUREASSERT;
kcbind.tsformat = PPS_TSFMT_TSPEC;
status = pps_ioctl( PPS_IOC_KCBIND, (caddr_t)&kcbind, &pps_dev.pps );
T_eq_int( status, 0 );
/* Save current timecounter in pps_state object */
pps_capture( &pps_dev.pps );
pps_event( &pps_dev.pps, PPS_CAPTUREASSERT );
sc = rtems_task_create(
rtems_build_name('P', 'P', 'S', 'E'),
pps_task_prio,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&pps_task_id
);
T_rsc_success( sc );
sc = rtems_task_start( pps_task_id, pps_task, (rtems_task_argument) &ctx );
T_rsc_success( sc );
sc = rtems_event_receive( TASK_WAITING, RTEMS_DEFAULT_OPTIONS, RTEMS_MILLISECONDS_TO_TICKS(100), &out );
T_rsc_success( sc );
/* Capture event and send wake-up */
pps_capture( &pps_dev.pps );
pps_event( &pps_dev.pps, PPS_CAPTUREASSERT );
sc = rtems_event_receive( PPS_EVENT_RECEIVED, RTEMS_DEFAULT_OPTIONS, RTEMS_MILLISECONDS_TO_TICKS(100), &out );
T_rsc_success( sc );
}
static rtems_task Init( rtems_task_argument argument )
{
rtems_test_run( argument, TEST_STATE );
}
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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