1 | /* |
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2 | * SPDX-License-Identifier: BSD-2-Clause |
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3 | * |
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4 | * Copyright (C) 2022 German Aerospace Center (DLR) |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * |
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15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 | * POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | #ifdef HAVE_CONFIG_H |
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29 | #include "config.h" |
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30 | #endif |
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31 | |
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32 | #include <errno.h> |
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33 | #include <rtems/test.h> |
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34 | #include <rtems/test-info.h> |
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35 | #include <rtems/timespec.h> |
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36 | #include <rtems/rtems/event.h> |
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37 | #define _KERNEL |
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38 | #include <sys/timepps.h> |
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39 | |
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40 | const char rtems_test_name[] = "SPPPS 1"; |
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41 | |
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42 | #define PPS_EVENT RTEMS_EVENT_0 |
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43 | #define TASK_WAITING RTEMS_EVENT_1 |
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44 | #define PPS_EVENT_RECEIVED RTEMS_EVENT_2 |
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45 | |
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46 | struct test_pps_device { |
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47 | struct pps_state pps; |
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48 | rtems_id task_waiting; |
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49 | }; |
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50 | |
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51 | typedef struct { |
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52 | rtems_id main_task; |
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53 | struct test_pps_device *pps_dev; |
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54 | } test_context; |
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55 | |
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56 | T_TEST_CASE( WaitPPSEventDefaultHandler ) |
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57 | { |
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58 | int status; |
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59 | struct test_pps_device pps_dev; |
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60 | struct pps_fetch_args fetch; |
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61 | |
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62 | pps_dev.task_waiting = RTEMS_INVALID_ID; |
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63 | |
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64 | memset( &pps_dev.pps, 0, sizeof( pps_dev.pps ) ); |
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65 | pps_dev.pps.ppscap = PPS_CAPTUREBOTH; |
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66 | pps_init_abi( &pps_dev.pps ); |
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67 | pps_dev.pps.ppsparam.mode = PPS_CAPTUREASSERT; |
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68 | |
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69 | /* If no timeout is requested, pps_fetch() doesn't call the default handler */ |
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70 | memset( &fetch, 0, sizeof( fetch ) ); |
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71 | status = pps_ioctl( PPS_IOC_FETCH, (caddr_t)&fetch, &pps_dev.pps ); |
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72 | T_eq_int( status, 0 ); |
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73 | |
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74 | fetch.timeout.tv_sec = 1; |
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75 | status = pps_ioctl( PPS_IOC_FETCH, (caddr_t)&fetch, &pps_dev.pps ); |
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76 | T_eq_int( status, ETIMEDOUT ); |
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77 | } |
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78 | |
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79 | static void wakeup(struct pps_state *pps) |
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80 | { |
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81 | struct test_pps_device *pps_dev; |
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82 | |
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83 | pps_dev = RTEMS_CONTAINER_OF( pps, struct test_pps_device, pps ); |
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84 | if (pps_dev->task_waiting != RTEMS_INVALID_ID) |
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85 | rtems_event_send( pps_dev->task_waiting, PPS_EVENT ); |
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86 | } |
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87 | |
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88 | static int wait(struct pps_state *pps, struct timespec timeout) |
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89 | { |
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90 | rtems_status_code sc; |
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91 | rtems_event_set out; |
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92 | uint32_t timeoutticks; |
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93 | struct test_pps_device *pps_dev; |
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94 | |
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95 | pps_dev = RTEMS_CONTAINER_OF( pps, struct test_pps_device, pps ); |
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96 | pps_dev->task_waiting = rtems_task_self(); |
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97 | |
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98 | timeoutticks = rtems_timespec_to_ticks(&timeout); |
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99 | sc = rtems_event_receive( PPS_EVENT, RTEMS_DEFAULT_OPTIONS, timeoutticks, &out ); |
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100 | return rtems_status_code_to_errno(sc); |
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101 | } |
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102 | |
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103 | static void pps_task(rtems_task_argument arg) |
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104 | { |
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105 | int status; |
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106 | rtems_status_code sc; |
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107 | struct pps_fetch_args fetch; |
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108 | test_context *ctx; |
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109 | |
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110 | ctx = (test_context *) arg; |
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111 | |
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112 | fetch.tsformat = PPS_TSFMT_TSPEC; |
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113 | fetch.timeout.tv_sec = 1; |
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114 | fetch.timeout.tv_nsec = 0; |
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115 | |
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116 | sc = rtems_event_send( ctx->main_task, TASK_WAITING ); |
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117 | T_rsc_success( sc ); |
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118 | status = pps_ioctl( PPS_IOC_FETCH, (caddr_t)&fetch, &ctx->pps_dev->pps ); |
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119 | T_eq_int( status, 0 ); |
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120 | sc = rtems_event_send( ctx->main_task, PPS_EVENT_RECEIVED ); |
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121 | T_rsc_success( sc ); |
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122 | |
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123 | rtems_task_delete(rtems_task_self()); |
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124 | } |
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125 | |
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126 | T_TEST_CASE( WakeupTaskWithPPSEvent ) |
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127 | { |
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128 | int status; |
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129 | rtems_status_code sc; |
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130 | struct test_pps_device pps_dev; |
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131 | struct pps_kcbind_args kcbind; |
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132 | test_context ctx; |
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133 | rtems_id pps_task_id; |
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134 | rtems_task_priority pps_task_prio = 1; |
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135 | rtems_event_set out; |
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136 | |
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137 | pps_dev.task_waiting = RTEMS_INVALID_ID; |
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138 | ctx.pps_dev = &pps_dev; |
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139 | ctx.main_task = rtems_task_self(); |
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140 | |
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141 | memset( &pps_dev.pps, 0, sizeof( pps_dev.pps ) ); |
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142 | pps_dev.pps.ppscap = PPS_CAPTUREBOTH; |
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143 | pps_init_abi( &pps_dev.pps ); |
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144 | pps_dev.pps.wait = wait; |
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145 | pps_dev.pps.wakeup = wakeup; |
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146 | pps_dev.pps.ppsparam.mode = PPS_CAPTUREASSERT; |
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147 | |
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148 | kcbind.kernel_consumer = PPS_KC_HARDPPS; |
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149 | kcbind.edge = PPS_CAPTUREASSERT; |
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150 | kcbind.tsformat = PPS_TSFMT_TSPEC; |
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151 | status = pps_ioctl( PPS_IOC_KCBIND, (caddr_t)&kcbind, &pps_dev.pps ); |
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152 | T_eq_int( status, 0 ); |
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153 | |
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154 | /* Save current timecounter in pps_state object */ |
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155 | pps_capture( &pps_dev.pps ); |
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156 | pps_event( &pps_dev.pps, PPS_CAPTUREASSERT ); |
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157 | |
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158 | sc = rtems_task_create( |
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159 | rtems_build_name('P', 'P', 'S', 'E'), |
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160 | pps_task_prio, |
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161 | RTEMS_MINIMUM_STACK_SIZE, |
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162 | RTEMS_DEFAULT_MODES, |
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163 | RTEMS_DEFAULT_ATTRIBUTES, |
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164 | &pps_task_id |
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165 | ); |
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166 | T_rsc_success( sc ); |
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167 | sc = rtems_task_start( pps_task_id, pps_task, (rtems_task_argument) &ctx ); |
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168 | T_rsc_success( sc ); |
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169 | |
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170 | sc = rtems_event_receive( TASK_WAITING, RTEMS_DEFAULT_OPTIONS, RTEMS_MILLISECONDS_TO_TICKS(100), &out ); |
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171 | T_rsc_success( sc ); |
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172 | |
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173 | /* Capture event and send wake-up */ |
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174 | pps_capture( &pps_dev.pps ); |
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175 | pps_event( &pps_dev.pps, PPS_CAPTUREASSERT ); |
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176 | |
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177 | sc = rtems_event_receive( PPS_EVENT_RECEIVED, RTEMS_DEFAULT_OPTIONS, RTEMS_MILLISECONDS_TO_TICKS(100), &out ); |
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178 | T_rsc_success( sc ); |
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179 | } |
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180 | |
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181 | static rtems_task Init( rtems_task_argument argument ) |
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182 | { |
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183 | rtems_test_run( argument, TEST_STATE ); |
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184 | } |
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185 | |
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186 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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187 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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188 | |
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189 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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190 | |
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191 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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192 | |
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193 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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194 | |
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195 | #define CONFIGURE_INIT |
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196 | |
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197 | #include <rtems/confdefs.h> |
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