Mercurial > nand-ecoscentric
annotate packages/kernel/current/src/common/timer.cxx @ 3403:8c8767bb9a62 default tip
devs/nand/micron_mt29: Remove defunct references (in comments) to mt29f2g08_oob_ecc.
| author | Ross Younger <wry@ecoscentric.com> |
|---|---|
| date | Sun, 18 Jan 2015 17:59:01 +1300 |
| parents | 74dbf4c3f2e1 |
| children |
| rev | line source |
|---|---|
| 0 | 1 //========================================================================== |
| 2 // | |
| 2 | 3 // common/timer.cxx |
| 0 | 4 // |
| 2 | 5 // Timer class implementations |
| 0 | 6 // |
| 7 //========================================================================== | |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
8 // ####ECOSGPLCOPYRIGHTBEGIN#### |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
9 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
10 // This file is part of eCos, the Embedded Configurable Operating System. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
|
208
e0c0827131d1
Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
66
diff
changeset
|
12 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
13 // eCos is free software; you can redistribute it and/or modify it under |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
14 // the terms of the GNU General Public License as published by the Free |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
15 // Software Foundation; either version 2 or (at your option) any later |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
16 // version. |
|
208
e0c0827131d1
Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
66
diff
changeset
|
17 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
18 // eCos is distributed in the hope that it will be useful, but WITHOUT |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
21 // for more details. |
|
208
e0c0827131d1
Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
66
diff
changeset
|
22 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
23 // You should have received a copy of the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
24 // along with eCos; if not, write to the Free Software Foundation, Inc., |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
|
208
e0c0827131d1
Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
66
diff
changeset
|
26 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
27 // As a special exception, if other files instantiate templates or use |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
28 // macros or inline functions from this file, or you compile this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
29 // and link it with other works to produce a work based on this file, |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
30 // this file does not by itself cause the resulting work to be covered by |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
31 // the GNU General Public License. However the source code for this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
32 // must still be made available in accordance with section (3) of the GNU |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
33 // General Public License v2. |
|
208
e0c0827131d1
Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents:
66
diff
changeset
|
34 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
35 // This exception does not invalidate any other reasons why a work based |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
36 // on this file might be covered by the GNU General Public License. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
37 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
210
diff
changeset
|
38 // ####ECOSGPLCOPYRIGHTEND#### |
| 0 | 39 //========================================================================== |
| 40 //#####DESCRIPTIONBEGIN#### | |
| 41 // | |
| 2 | 42 // Author(s): dsm |
| 43 // Contributors: dsm | |
| 44 // Date: 1998-06-11 | |
| 45 // Purpose: Clock class implementation | |
| 46 // Description: This file implements the Timer class which is derived from | |
| 0 | 47 // the Alarm class to support uITRON type functionality |
| 48 // | |
| 49 //####DESCRIPTIONEND#### | |
| 50 // | |
| 51 //========================================================================== | |
| 52 | |
| 53 #include <pkgconf/kernel.h> | |
| 54 | |
| 55 #include <cyg/kernel/ktypes.h> // base kernel types | |
| 56 #include <cyg/infra/cyg_trac.h> // tracing macros | |
| 57 #include <cyg/infra/cyg_ass.h> // assertion macros | |
| 58 | |
| 59 #include <cyg/kernel/clock.hxx> | |
| 60 #include <cyg/kernel/timer.hxx> | |
| 61 | |
| 62 #include <cyg/kernel/clock.inl> // Clock inlines | |
| 63 | |
| 64 // ------------------------------------------------------------------------- | |
| 65 | |
| 66 Cyg_Timer::Cyg_Timer() | |
| 67 { | |
| 68 } | |
| 69 | |
| 70 Cyg_Timer::~Cyg_Timer() | |
| 71 { | |
| 72 CYG_REPORT_FUNCTION(); | |
| 73 | |
| 74 disable(); | |
| 75 counter = NULL; | |
| 76 } | |
| 77 | |
| 78 // ------------------------------------------------------------------------- | |
| 79 | |
| 80 void | |
| 81 Cyg_Timer::initialize( | |
| 82 Cyg_Counter *c, | |
| 83 cyg_alarm_fn a, | |
| 84 CYG_ADDRWORD d, | |
| 85 cyg_tick_count t, // absolute time | |
| 86 cyg_tick_count i, // 0 => one shot, else repeating | |
| 87 cyg_uint32 action // (DISABLE | ENABLE) | |
| 88 ) | |
| 89 { | |
| 90 CYG_REPORT_FUNCTION(); | |
| 91 | |
| 92 counter = c; | |
| 93 alarm = a; | |
| 94 data = d; | |
| 95 trigger = t; | |
| 96 interval = i; | |
| 97 enabled = false; | |
| 98 | |
| 99 CYG_ASSERT(0 == (action & ~ENABLE), "unknown action"); | |
| 100 | |
| 101 if(action & ENABLE) | |
| 102 enable(); | |
| 103 } | |
| 104 | |
| 105 void | |
| 106 Cyg_Timer::activate(cyg_uint32 action) // (DISABLE | ENABLE) [|RESET] | |
| 107 { | |
| 2 | 108 // we must also disable the alarm when resetting it so as to remove it |
| 109 // from its queue, so that the enable afterwards places it on the right | |
| 110 // queue instead of assuming that, being enabled, it's already there. | |
| 111 // (if not enabling, the behaviour is unchanged and correct) | |
| 112 if(!(action & ENABLE) || (action & RESET) ) | |
| 113 disable(); // otherwise, the enable below does nothing... | |
| 0 | 114 |
| 115 if((action & RESET)) | |
| 116 { | |
| 117 cyg_tick_count t; | |
| 118 t = counter->current_value(); | |
| 119 trigger = t + interval; | |
| 120 } | |
| 121 | |
| 122 if((action & ENABLE)) { | |
| 2 | 123 enable(); // ...when it should put the timer on a new queue. |
| 0 | 124 } |
| 125 } | |
| 126 | |
| 127 // ------------------------------------------------------------------------- | |
| 128 // EOF common/timer.cxx |
