jens
c092db8909
git-svn-id: http://moon:8086/svn/projects/HendiControl@36 fda53097-d464-4ada-af97-ba876c37ca34
51 lines
843 B
C
51 lines
843 B
C
/*
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* fifo.h
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*
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* Created: 20.02.2019 20:35:48
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* Author: jens
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*/
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#ifndef FIFO_H_
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#define FIFO_H_
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#include <stdlib.h>
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#include <avr/interrupt.h>
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typedef struct _sFifo
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{
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void **ppData;
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size_t capacity;
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size_t itemSize;
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size_t volatile fill;
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size_t volatile wi;
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size_t volatile ri;
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const char *pName;
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} Fifo;
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void fifo_init(Fifo *pObj, size_t capacity, size_t itemSize, const char *pName);
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void fifo_free(Fifo *pObj);
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int fifo_push(Fifo *pObj, void *pItem);
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int fifo_pop(Fifo *pObj, void *pItem);
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int fifo_isEmpty(Fifo *pObj);
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static volatile size_t criticalCount = 0;
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static inline void enterCritical()
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{
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cli();
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criticalCount++;
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}
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static inline void exitCritial()
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{
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if (criticalCount)
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{
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criticalCount--;
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if (!criticalCount)
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{
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sei();
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}
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}
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}
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#endif /* FIFO_H_ */ |