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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/***************************************************************************//**
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* @file
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* @brief Header file for RAIL error rate functionality
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*******************************************************************************
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* # License
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* <b>Copyright 2020 Silicon Laboratories Inc. www.silabs.com</b>
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*******************************************************************************
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*
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* SPDX-License-Identifier: Zlib
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*
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* The licensor of this software is Silicon Laboratories Inc.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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******************************************************************************/
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#include "rail.h"
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#include "em_core.h"
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static volatile bool mallocLock = false;
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#define RAIL_HEAP_SIZE 0x1400
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__ALIGNED(4) uint8_t railMallocBuffer[RAIL_HEAP_SIZE];
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void *RAILAPP_Malloc(uint32_t size)
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{
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CORE_DECLARE_IRQ_STATE;
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void *buffer;
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CORE_ENTER_CRITICAL();
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if (mallocLock || size > sizeof(railMallocBuffer)) {
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buffer = NULL;
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} else {
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mallocLock = true;
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buffer = railMallocBuffer;
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}
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CORE_EXIT_CRITICAL();
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return buffer;
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}
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void RAILAPP_Free(void * buffer)
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{
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CORE_DECLARE_IRQ_STATE;
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CORE_ENTER_CRITICAL();
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if (buffer == railMallocBuffer) {
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mallocLock = false;
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}
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CORE_EXIT_CRITICAL();
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}
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