/*************************************************************************************************/
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/*!
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* \file
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*
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* \brief System hooks.
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*
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* Copyright (c) 2016-2019 Arm Ltd. All Rights Reserved.
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*
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* Copyright (c) 2019-2020 Packetcraft, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*************************************************************************************************/
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#ifndef PAL_SYS_H
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#define PAL_SYS_H
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#include "pal_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! \addtogroup PAL_SYS
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* \{ */
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/**************************************************************************************************
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Macros
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**************************************************************************************************/
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/*! \brief Total size in bytes of free memory. */
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#ifndef FREE_MEM_SIZE
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#define FREE_MEM_SIZE (1024 * 6)
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#endif
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/* Common error handling routines; for use with PAL implementation only. */
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#ifdef DEBUG
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/*! \brief Parameter check. */
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#define PAL_SYS_ASSERT(expr) \
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{ \
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if (!(expr)) \
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{ \
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PalSysAssertTrap(); \
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} \
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}
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#else
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/*! \brief Parameter check (disabled). */
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#define PAL_SYS_ASSERT(expr)
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#endif
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/**************************************************************************************************
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Function Declarations
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**************************************************************************************************/
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extern uint8_t *SystemHeapStart;
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extern uint32_t SystemHeapSize;
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/* Initialization */
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void PalSysInit(void);
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/* Diagnostics */
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void PalSysAssertTrap(void);
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void PalSysSetTrap(bool_t enable);
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uint32_t PalSysGetAssertCount(void);
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uint32_t PalSysGetStackUsage(void);
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/* Power Management */
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void PalSysSleep(void);
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bool_t PalSysIsBusy(void);
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void PalSysSetBusy(void);
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void PalSysSetIdle(void);
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/* Critical Section */
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uint32_t PalEnterCs(void);
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void PalExitCs(uint32_t lock);
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uint32_t PalSysTickElapse(void);
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uint32_t PalSysTickGet(void);
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/*! \} */ /* PAL_SYS */
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#ifdef __cplusplus
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};
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#endif
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#endif /* PAL_SYS_H */
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