476e0dec02
1. delete some junk files. 2. mqttclient added comments and updated to v1.0.2. 3. update README.md. 4. update the author's own server certificate. 5. minor changes to salof.
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* @Author: jiejie
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* @Github: https://github.com/jiejieTop
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* @Date: 2019-12-25 23:54:38
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* @LastEditTime: 2020-02-25 08:10:01
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* @Description: the code belongs to jiejie, please keep the author information and source code according to the license.
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*/
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#ifndef _FIFO_H_
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#define _FIFO_H_
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#include "salof_defconfig.h"
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#ifdef USE_LOG
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#define FIFO_READ 0
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#define FIFO_WRITE 1
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#define FIFO_MAX(a,b) (((a) > (b)) ? (a) : (b))
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#define FIFO_MIN(a,b) (((a) < (b)) ? (a) : (b))
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struct fifo
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{
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unsigned int size; /* fifo size */
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unsigned int in; /* data input pointer (in % size) */
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unsigned int out; /* data output pointer (out % size) */
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salof_mutex mutex; /* mutex */
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salof_sem sem; /* sem */
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void *buff; /* data area */
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};
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typedef struct fifo * fifo_t;
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fifo_t fifo_create(unsigned int size);
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unsigned int fifo_write(fifo_t fifo, void *buff, unsigned int len, unsigned int timeout);
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unsigned int fifo_read(fifo_t fifo, void *buff, unsigned int len, unsigned int timeout);
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unsigned int fifo_read_able(fifo_t fifo);
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unsigned int fifo_write_able(fifo_t fifo);
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#endif
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#endif // !_FIFO_H_
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