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40 lines
1.2 KiB
40 lines
1.2 KiB
2 years ago
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#ifndef __KFIFO_H
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#define __KFIFO_H
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#include "stdint.h"
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// #include "stm32f407xx.h"
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// #include "main.h"
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// #include "base.h"
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#ifndef min
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#define min(x,y) ((x) < (y) ? x : y)
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#endif
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typedef struct _kfifo {
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uint8_t *buffer; /* the buffer holding the data */
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uint16_t size; /* the size of the allocated buffer */
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uint16_t in; /* data is added at offset (in % size) */
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uint16_t out; /* data is extracted from off. (out % size) */
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}kfifo_t;
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static inline unsigned int __kfifo_len(kfifo_t *fifo)
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{
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return fifo->in - fifo->out;
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}
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// extern kfifo_t recvfifo;
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// extern uint8_t USART_Receive_Buf[64];
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extern void kfifo_init(kfifo_t *fifo, uint8_t *pFifoBuffer, uint16_t fifoSize);
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extern uint16_t __kfifo_put(kfifo_t *fifo, uint8_t *buffer, uint16_t len);
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extern void __kfifo_put_singlebyte(kfifo_t *fifo, uint8_t data);
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extern uint16_t __kfifo_get(kfifo_t *fifo, uint8_t *buffer, uint16_t len);
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// extern uint16_t __kfifo_put(kfifo_t *fifo, uint8_t *buffer, uint16_t len);
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// extern void __kfifo_put_singlebyte(kfifo_t *fifo, uint8_t data);
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// extern uint16_t __kfifo_get(kfifo_t *fifo, uint8_t *buffer, uint16_t len);
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#endif
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