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annotate packages/kernel/current/tests/clock1.cxx @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
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1 //==========================================================================
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2 //
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3 // clock1.cxx
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4 //
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5 // Clock test 1 - Real Time Clock
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): dsm
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35 // Contributors: dsm
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36 // Date: 1998-02-16
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37 // Description: Tests the Kernel Real Time Clock
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38 // This test creates a thread, starts the scheduler and
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39 // delays for a time of about 5 seconds. This test should
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40 // be expected to run for about this length of time.
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41 // Omissions:
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42 // Doesn't test alarms attached to RTC.
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43 // Assumptions:
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44 // CYGVAR_KERNEL_COUNTERS_CLOCK must be set.
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45 // Resolution of clock small compared with 5s.
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46 // Overhead small compared with 5s.
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47 // Options:
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48 // CYGIMP_KERNEL_COUNTERS_SINGLE_LIST
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49 // CYGIMP_KERNEL_COUNTERS_MULTI_LIST
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50 // CYGVAR_KERNEL_COUNTERS_CLOCK
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51 // CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE
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52 //####DESCRIPTIONEND####
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53
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54 #include <pkgconf/kernel.h>
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55
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56 #include <cyg/kernel/clock.hxx>
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57 #include <cyg/kernel/thread.hxx>
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58
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59 #include <cyg/infra/testcase.h>
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60
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61 #include <cyg/kernel/clock.inl>
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62 #include <cyg/kernel/thread.inl>
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63
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64 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
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65
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66
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67 #define NTHREADS 1
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68 #include "testaux.hxx"
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69
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70 static cyg_uint32 ticks; // Number of ticks thread[0] will delay for
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71
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72 static cyg_uint64 TEST_DELAY;
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73
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74 static void entry0( CYG_ADDRWORD data )
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75 {
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76 ((Cyg_Thread *)data)->delay(ticks);
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77
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78 CYG_TEST_PASS_FINISH("Clock 1 OK");
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79 }
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80
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81 void clock1_main( void )
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82 {
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83 CYG_TEST_INIT();
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84
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85 if (cyg_test_is_simulator) {
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86 TEST_DELAY = 100000000ll;
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87 } else {
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88 TEST_DELAY = 3000000000ll;
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89 }
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90
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91 new_thread(entry0, (CYG_ADDRWORD)&thread_obj[0]);
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92
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93 Cyg_Clock::cyg_resolution res;
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94
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95 res = Cyg_Clock::real_time_clock->get_resolution ();
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96
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97 // RTC takes res.dividend/res.divisor ns/tick
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98 ticks = ((cyg_uint64)TEST_DELAY * res.divisor) / res.dividend;
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99
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100 Cyg_Scheduler::start();
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101 }
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102
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103 externC void
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104 cyg_start( void )
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105 {
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106 clock1_main();
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107 }
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108
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109 #else // def CYGVAR_KERNEL_COUNTERS_CLOCK
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110
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111 externC void
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112 cyg_start( void )
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113 {
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114 CYG_TEST_INIT();
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115 CYG_TEST_NA( "Kernel real-time clock disabled");
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116 }
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117
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118 #endif // def CYGVAR_KERNEL_COUNTERS_CLOCK
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119
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120 // EOF clock1.cxx