69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _samples_include_tc_nano_timeout_common__h_
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#define _samples_include_tc_nano_timeout_common__h_
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/*
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* SHORT_TIMEOUTS should be the preferred configuration, but they cause a
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* problem with the Jenkins auto-builders for the ARM QEMU. Until this is
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* fixed, do not use them by default.
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*/
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#define SHORT_TIMEOUTS 0
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#if SHORT_TIMEOUTS
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#define TIMEOUT_BASE 10
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#define TIMEOUT_INCREMENT 5
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#else
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#define TIMEOUT_BASE 50
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#define TIMEOUT_INCREMENT 25
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#endif
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#define TIMEOUT(x) (TIMEOUT_BASE + ((x) * TIMEOUT_INCREMENT))
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#define TIMEOUT_TWO_INTERVALS TIMEOUT(1)
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#define TIMEOUT_TEN_INTERVALS TIMEOUT(9)
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/*
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* Verify a timeout is in range, either a diff of 0 or 1 to account for tick
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* boundaries.
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*/
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static inline int is_timeout_in_range(int32_t orig_ticks, int32_t expected)
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{
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int32_t diff = sys_tick_get() - orig_ticks;
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#if SHORT_TIMEOUTS
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/*
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* This should be the real test: however, there is an issue with the
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* Jenkins auto-builders and QEMU for ARM, where (it seems) if the
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* builder is overloaded, they do not give enough time to a QEMU instance
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* so the Zephyr ticker can increment multiple times (so the interrupt
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* handling happens) before the regular processing does occur, which gives
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* the impression that more ticks have elapsed than expected.
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*/
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if (diff != expected && diff != expected + 1) {
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TC_ERROR(" *** timeout skew: expected %d/%d, got %d\n",
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expected, expected + 1, diff);
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return 0;
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}
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/* TC_PRINT("timeout in range (%d vs %d)\n", diff, expected); */
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return 1;
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#else
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return diff >= expected;
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#endif
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}
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#endif /* _samples_include_tc_nano_timeout_common__h_ */
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