FreeRTOS-RISCV/FreeRTOSv10.2.1/FreeRTOS-Plus/Source/Reliance-Edge/os/freertos/services/ostask.c

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2019-06-28 23:08:36 +02:00
/* ----> DO NOT REMOVE THE FOLLOWING NOTICE <----
Copyright (c) 2014-2015 Datalight, Inc.
All Rights Reserved Worldwide.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; use version 2 of the License.
This program is distributed in the hope that it will be useful,
but "AS-IS," WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Businesses and individuals that for commercial or other reasons cannot
comply with the terms of the GPLv2 license may obtain a commercial license
before incorporating Reliance Edge into proprietary software for
distribution in any form. Visit http://www.datalight.com/reliance-edge for
more information.
*/
/** @file
@brief Implements task functions.
*/
#include <FreeRTOS.h>
#include <task.h>
#include <redfs.h>
#if (REDCONF_TASK_COUNT > 1U) && (REDCONF_API_POSIX == 1)
#include <redosdeviations.h>
#if INCLUDE_xTaskGetCurrentTaskHandle != 1
#error "INCLUDE_xTaskGetCurrentTaskHandle must be 1 when REDCONF_TASK_COUNT > 1 and REDCONF_API_POSIX == 1"
#endif
/** @brief Get the current task ID.
This task ID must be unique for all tasks using the file system.
@return The task ID. Must not be 0.
*/
uint32_t RedOsTaskId(void)
{
/* Simply casting the xTaskGetCurrentTaskHandle() return value results in
warnings from some compilers, so use variables.
*/
TaskHandle_t xTask = xTaskGetCurrentTaskHandle();
uintptr_t taskptr = CAST_TASK_PTR_TO_UINTPTR(xTask);
uint32_t ulTaskPtr = (uint32_t)taskptr;
/* Assert no information was lost casting from uintptr_t to uint32_t.
*/
REDASSERT(ulTaskPtr == taskptr);
/* NULL is a valid task handle in FreeRTOS, so add one to all task IDs.
*/
REDASSERT((ulTaskPtr + 1U) != 0U);
return ulTaskPtr + 1U;
}
#endif