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79 lines
2.9 KiB
C
Executable File
79 lines
2.9 KiB
C
Executable File
/*
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* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. No personal names or organizations' names associated with the
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* Atomthreads project may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __ATOM_PORT_H
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#define __ATOM_PORT_H
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/* Required number of system ticks per second (normally 100 for 10ms tick) */
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#define SYSTEM_TICKS_PER_SEC 100
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/**
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* Definition of NULL.
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* If stddef.h is available on the platform it is simplest to include it
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* from this header, otherwise define below.
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*/
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#define NULL ((void *)(0))
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/* Size of each stack entry / stack alignment size (e.g. 8 bits) */
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#define STACK_ALIGN_SIZE sizeof(unsigned char)
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/**
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* Architecture-specific types.
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* Uses the stdint.h naming convention, so if stdint.h is available on the
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* platform it is simplest to include it from this header.
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*/
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#define uint8_t unsigned char
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#define uint16_t unsigned short
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#define uint32_t unsigned long
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#define uint64_t unsigned long long
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#define int8_t char
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#define int16_t short
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#define int32_t long
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#define int64_t long long
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#define POINTER void *
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/**
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* Critical region protection: this should disable interrupts
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* to protect OS data structures during modification. It must
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* allow nested calls, which means that interrupts should only
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* be re-enabled when the outer CRITICAL_END() is reached.
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*/
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#define CRITICAL_STORE uint8_t sreg
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#define CRITICAL_START() sreg = SREG; cli();
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#define CRITICAL_END() SREG = sreg
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/* Uncomment to enable stack-checking */
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/* #define ATOM_STACK_CHECKING */
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#endif /* __ATOM_PORT_H */
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