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[/] [aic1106_avalon_ip/] [trunk/] [software driver example/] [fifo.h] - Blame information for rev 5

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/*
 * fifo.h
 *
 *  Created on: Jun 27, 2014
 *      Author: AlexO
 */
 
#ifndef FIFO_H_
#define FIFO_H_
 
#ifndef FALSE
#define FALSE 0
#endif
 
#ifndef TRUE
#define TRUE  1
#endif
 
#define MAKE_FIFO_INSTANCE(FIFO_NAME, FIFO_SIZE, ELEMENT_TYPE, LOCK, UNLOCK)\
\
int             FIFO_NAME##_head = 0;\
int             FIFO_NAME##_tail = 0;\
ELEMENT_TYPE    FIFO_NAME##_fifo[FIFO_SIZE];\
\
static inline int FIFO_NAME##_full()\
{\
        void* ctx = LOCK();\
        int ret_val = (FIFO_NAME##_tail==0 && FIFO_NAME##_head==FIFO_SIZE-1) || (FIFO_NAME##_head==FIFO_NAME##_tail-1);\
        UNLOCK(ctx);\
        return ret_val;\
}\
\
static inline int FIFO_NAME##_empty()\
{\
        void* ctx = LOCK();\
        int ret_val = (FIFO_NAME##_head == FIFO_NAME##_tail);\
        UNLOCK(ctx);\
        return ret_val;\
}\
\
static inline int FIFO_NAME##_put(ELEMENT_TYPE ELM)\
{\
        void* ctx = LOCK();\
        if (!((FIFO_NAME##_tail==0 && FIFO_NAME##_head==FIFO_SIZE-1) || (FIFO_NAME##_head==FIFO_NAME##_tail-1)))\
        {\
                FIFO_NAME##_fifo[FIFO_NAME##_head] = ELM;\
                if (FIFO_NAME##_head==(FIFO_SIZE-1))\
                        FIFO_NAME##_head=0; \
                else \
                        FIFO_NAME##_head++;\
                UNLOCK(ctx);\
                return TRUE;\
        }\
        UNLOCK(ctx);\
        return FALSE;\
}\
\
static inline int FIFO_NAME##_get(ELEMENT_TYPE* ELM)\
{\
        void* ctx = LOCK();\
        if (!(FIFO_NAME##_head == FIFO_NAME##_tail))\
        {\
                *ELM = FIFO_NAME##_fifo[FIFO_NAME##_tail];\
                if (FIFO_NAME##_tail==(FIFO_SIZE-1))\
                        FIFO_NAME##_tail=0; \
                else \
                        FIFO_NAME##_tail++;\
                UNLOCK(ctx);\
                return TRUE;\
        }\
        UNLOCK(ctx);\
        return FALSE;\
}\
\
static inline void FIFO_NAME##_clean()\
{\
        void* ctx = LOCK();\
        FIFO_NAME##_head = FIFO_NAME##_tail;\
        UNLOCK(ctx);\
}\
 
 
 
#endif /* FIFO_H_ */

Line No.	Rev	Author	Line
1	4	AlexO	`/*`
2			`* fifo.h`
3			`*`
4			`* Created on: Jun 27, 2014`
5			`* Author: AlexO`
6			`*/`
7
8			`#ifndef FIFO_H_`
9			`#define FIFO_H_`
10
11			`#ifndef FALSE`
12			`#define FALSE 0`
13			`#endif`
14
15			`#ifndef TRUE`
16			`#define TRUE 1`
17			`#endif`
18
19			`#define MAKE_FIFO_INSTANCE(FIFO_NAME, FIFO_SIZE, ELEMENT_TYPE, LOCK, UNLOCK)\`
20			`\`
21			`int FIFO_NAME##_head = 0;\`
22			`int FIFO_NAME##_tail = 0;\`
23			`ELEMENT_TYPE FIFO_NAME##_fifo[FIFO_SIZE];\`
24			`\`
25			`static inline int FIFO_NAME##_full()\`
26			`{\`
27			`void* ctx = LOCK();\`
28			`int ret_val = (FIFO_NAME##_tail==0 && FIFO_NAME##_head==FIFO_SIZE-1) \|\| (FIFO_NAME##_head==FIFO_NAME##_tail-1);\`
29			`UNLOCK(ctx);\`
30			`return ret_val;\`
31			`}\`
32			`\`
33			`static inline int FIFO_NAME##_empty()\`
34			`{\`
35			`void* ctx = LOCK();\`
36			`int ret_val = (FIFO_NAME##_head == FIFO_NAME##_tail);\`
37			`UNLOCK(ctx);\`
38			`return ret_val;\`
39			`}\`
40			`\`
41			`static inline int FIFO_NAME##_put(ELEMENT_TYPE ELM)\`
42			`{\`
43			`void* ctx = LOCK();\`
44			`if (!((FIFO_NAME##_tail==0 && FIFO_NAME##_head==FIFO_SIZE-1) \|\| (FIFO_NAME##_head==FIFO_NAME##_tail-1)))\`
45			`{\`
46			`FIFO_NAME##_fifo[FIFO_NAME##_head] = ELM;\`
47			`if (FIFO_NAME##_head==(FIFO_SIZE-1))\`
48			`FIFO_NAME##_head=0; \`
49			`else \`
50			`FIFO_NAME##_head++;\`
51			`UNLOCK(ctx);\`
52			`return TRUE;\`
53			`}\`
54			`UNLOCK(ctx);\`
55			`return FALSE;\`
56			`}\`
57			`\`
58			`static inline int FIFO_NAME##_get(ELEMENT_TYPE* ELM)\`
59			`{\`
60			`void* ctx = LOCK();\`
61			`if (!(FIFO_NAME##_head == FIFO_NAME##_tail))\`
62			`{\`
63			`*ELM = FIFO_NAME##_fifo[FIFO_NAME##_tail];\`
64			`if (FIFO_NAME##_tail==(FIFO_SIZE-1))\`
65			`FIFO_NAME##_tail=0; \`
66			`else \`
67			`FIFO_NAME##_tail++;\`
68			`UNLOCK(ctx);\`
69			`return TRUE;\`
70			`}\`
71			`UNLOCK(ctx);\`
72			`return FALSE;\`
73			`}\`
74			`\`
75			`static inline void FIFO_NAME##_clean()\`
76			`{\`
77			`void* ctx = LOCK();\`
78			`FIFO_NAME##_head = FIFO_NAME##_tail;\`
79			`UNLOCK(ctx);\`
80			`}\`
81
82
83
84			`#endif /* FIFO_H_ */`

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[/] [aic1106_avalon_ip/] [trunk/] [software driver example/] [fifo.h] - Blame information for rev 5