Mercurial > ecos

annotate packages/io/serial/current/tests/timeout.inl @ 210:d2c90368aeef

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
children 74dbf4c3f2e1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
1 #ifndef CYGONCE_IO_SERIAL_MISC_TIMEOUT_INL
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
2 #define CYGONCE_IO_SERIAL_MISC_TIMEOUT_INL
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
3 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
4 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
5 // timeout.inl
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
6 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
7 // Simple timeout support for serial I/O testing.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
8 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
9 //==========================================================================
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
10 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
11 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
12 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
14 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
15 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
16 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
17 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
18 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
22 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
23 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
24 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
25 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
27 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
28 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
29 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
30 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
31 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
32 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
33 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
34 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
35 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
36 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
37 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
39 // at http://sources.redhat.com/ecos/ecos-license/
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
40 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 66
diff changeset
41 //####ECOSGPLCOPYRIGHTEND####
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
42 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
43 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
44 //
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
45 // Author(s): gthomas
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
46 // Contributors: gthomas
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
47 // Date: 1999-02-05
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
48 // Description: Simple timeout functions
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
49 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
50
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
51 // Timeout support
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
52
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
53 typedef void (timeout_fun)(void *);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
54 #ifndef NTIMEOUTS
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
55 #define NTIMEOUTS 8
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
56 #endif
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
57 typedef struct {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
58 cyg_int32 delta; // Number of "ticks" in the future for this timeout
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
59 timeout_fun *fun; // Function to execute when it expires
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
60 void *arg; // Argument to pass when it does
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
61 } timeout_entry;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
62 static timeout_entry timeouts[NTIMEOUTS];
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
63 static cyg_handle_t timeout_alarm_handle;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
64 static cyg_alarm timeout_alarm;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
65 static cyg_int32 last_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
66
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
67 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
68 do_timeout(cyg_handle_t alarm, cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
69 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
70 int i;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
71 cyg_int32 min_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
72 timeout_entry *e = timeouts;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
73 min_delta = 0x7FFFFFFF; // Maxint
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
74 for (i = 0; i < NTIMEOUTS; i++, e++) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
75 if (e->delta) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
76 e->delta -= last_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
77 if (e->delta == 0) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
78 // Time for this item to 'fire'
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
79 (e->fun)(e->arg);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
80 } else {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
81 if (e->delta < min_delta) min_delta = e->delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
82 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
83 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
84 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
85 if (min_delta != 0x7FFFFFFF) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
86 // Still something to do, schedule it
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
jlarmour
parents: 2
diff changeset
87 cyg_alarm_initialize(timeout_alarm_handle, cyg_current_time()+min_delta, 0);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
88 last_delta = min_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
89 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
90 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
91
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
92 static cyg_uint32
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
93 timeout(cyg_int32 delta, timeout_fun *fun, void *arg)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
94 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
95 int i;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
96 cyg_int32 min_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
97 static bool init = false;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
98 timeout_entry *e = timeouts;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
99 cyg_uint32 stamp;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
100 if (!init) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
101 cyg_handle_t h;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
102 cyg_clock_to_counter(cyg_real_time_clock(), &h);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
103 cyg_alarm_create(h, do_timeout, 0, &timeout_alarm_handle, &timeout_alarm);
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
104 init = true;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
105 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
106 stamp = 0; // Assume no slots available
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
107 for (i = 0; i < NTIMEOUTS; i++, e++) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
108 if ((e->delta == 0) && (e->fun == 0)) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
109 // Free entry
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
110 e->delta = delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
111 e->fun = fun;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
112 e->arg = arg;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
113 stamp = (cyg_uint32)e;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
114 break;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
115 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
116 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
117 e = timeouts;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
118 min_delta = 0x7FFFFFFF;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
119 for (i = 0; i < NTIMEOUTS; i++, e++) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
120 if (e->delta && (e->delta < min_delta)) min_delta = e->delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
121 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
122 if (min_delta != 0x7FFFFFFF) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
123 // Still something to do, schedule it
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
jlarmour
parents: 2
diff changeset
124 cyg_alarm_initialize(timeout_alarm_handle, cyg_current_time()+min_delta, 0);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
125 last_delta = min_delta;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
126 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
127 return stamp;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
128 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
129
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
130 static void
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
131 untimeout(cyg_uint32 stamp)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
132 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
133 if (stamp != 0) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
134 timeout_entry *e = (timeout_entry *)stamp;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
135 if (e->fun != 0) {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
136 e->delta = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
137 e->fun = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
138 e->arg = 0;
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
139 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
140 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
141 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
142
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
143 #endif // CYGONCE_IO_SERIAL_MISC_TIMEOUT_INL