FreeCalypso > hg > fc-magnetite

annotate src/g23m-aci/gdd_dio/gdd_dio_queue.c @ 646:8c74c177e914

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LICENSE: new terms
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 Apr 2020 20:09:37 +0000
parents 53929b40109c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
162
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 | File : gdd_dio_queue.c
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 | Copyright 2002 Texas Instruments Berlin, AG
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 | All rights reserved.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 |
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 | This file is confidential and a trade secret of Texas
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 | Instruments Berlin, AG
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 | The receipt of or possession of this file does not convey
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 | any rights to reproduce or disclose its contents or to
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 | manufacture, use, or sell anything it may describe, in
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 | whole, or in part, without the specific written consent of
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 | Texas Instruments Berlin, AG.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 | Purpose : Implements the queue functions for the DIO buffer FIFO
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #define ENTITY_GDD_DIO
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 /*==== INCLUDES =============================================================*/
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #include "typedefs.h" /* to get Condat data types */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 #include "vsi.h" /* to get a lot of macros */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 #include <string.h> /* for memset */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 #include "gdd_dio_queue.h"
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 /*==== CONST ================================================================*/
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 /*==== LOCAL VARS ===========================================================*/
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 /*==== PRIVATE FUNCTIONS ====================================================*/
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 /*==== PUBLIC FUNCTIONS =====================================================*/
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 GLOBAL void gdd_dio_queue_clear(T_GDD_BUF_QUEUE *queue)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 queue->next_in = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 queue->next_out = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 memset(queue->elems, 0, sizeof(T_dio_buffer *) * GDD_MAX_DIO_BUF);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 BOOL gdd_dio_queue_is_empty(const T_GDD_BUF_QUEUE *queue)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 return (queue->next_in == queue->next_out) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 (0 == queue->elems[queue->next_out]);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 GLOBAL BOOL gdd_dio_queue_is_full(const T_GDD_BUF_QUEUE *queue)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 return (queue->next_in == queue->next_out) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 !(0 == queue->elems[queue->next_out]);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 GLOBAL BOOL gdd_dio_dequeue(T_GDD_BUF_QUEUE *queue, T_dio_buffer **elem)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 if(gdd_dio_queue_is_empty(queue))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 return FALSE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 (*elem) = queue->elems[queue->next_out];
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 queue->elems[queue->next_out] = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 ++(queue->next_out);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 if(queue->next_out EQ GDD_MAX_DIO_BUF)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 queue->next_out = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 return TRUE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 GLOBAL BOOL gdd_dio_queue_peek_next_for_dequeue
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 (const T_GDD_BUF_QUEUE *queue, /*out*/T_dio_buffer **elem)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 if(gdd_dio_queue_is_empty(queue))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 return FALSE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 (*elem) = queue->elems[queue->next_out];
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 return TRUE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 GLOBAL BOOL gdd_dio_enqueue(T_dio_buffer *elem, T_GDD_BUF_QUEUE *queue, /*out*/U16 *pos)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 if(gdd_dio_queue_is_full(queue))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 return FALSE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 queue->elems[queue->next_in] = elem;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 (*pos) = queue->next_in;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 ++(queue->next_in);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 if(queue->next_in EQ GDD_MAX_DIO_BUF)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 queue->next_in = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 return TRUE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 GLOBAL void gdd_dio_queue_peek(const T_GDD_BUF_QUEUE *queue, U16 pos, /*out*/T_dio_buffer **elem)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 (*elem) = queue->elems[pos];
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 }