83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 = nano_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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