zephyr/kernel/nanokernel/idle.c

52 lines
1.2 KiB
C

/* nanokernel idle support */
/*
* Copyright (c) 2011-2014 Wind River Systems, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
DESCRIPTION
This module provides routines to set the idle field in the nanokernel
data structure.
*/
#ifdef CONFIG_ADVANCED_POWER_MANAGEMENT
#include <nanokernel.h>
#include <nano_private.h>
#include <toolchain.h>
#include <sections.h>
/**
*
* @brief Indicate that nanokernel is idling in tickless mode
*
* Sets the nanokernel data structure idle field to a non-zero value.
*
* @param ticks the number of ticks to idle
*
* @return N/A
*
* \NOMANUAL
*/
void nano_cpu_set_idle(int32_t ticks)
{
extern tNANO _nanokernel;
_nanokernel.idle = ticks;
}
#endif /* CONFIG_ADVANCED_POWER_MANAGEMENT */