diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_util.h')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_util.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_util.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_util.h new file mode 100644 index 0000000..36e33d9 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_util.h @@ -0,0 +1,137 @@ +/** + * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +// See https://github.com/pfultz2/Cloak/wiki/C-Preprocessor-tricks,-tips,-and-idioms + +#ifndef ES_UTIL_H__ +#define ES_UTIL_H__ + +#define BOOL(x) COMPL(NOT(x)) +#define IF(c) IIF(BOOL(c)) + +#define CHECK_N(x, n, ...) n +#define CHECK(...) CHECK_N(__VA_ARGS__, 0,) +#define PROBE(x) x, 1, + +#define EAT(...) +#define EXPAND(...) __VA_ARGS__ +#define WHEN(c) IF(c)(EXPAND, EAT) + +#define NOT(x) CHECK(PRIMITIVE_CAT(NOT_, x)) +#define NOT_0 PROBE(~) + +#define COMPL(b) PRIMITIVE_CAT(COMPL_, b) +#define COMPL_0 1 +#define COMPL_1 0 + +#define CAT(a, ...) PRIMITIVE_CAT(a, __VA_ARGS__) +#define PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__ + +#define IIF(c) PRIMITIVE_CAT(IIF_, c) +#define IIF_0(t, ...) __VA_ARGS__ +#define IIF_1(t, ...) t + +#define DEC(x) PRIMITIVE_CAT(DEC_, x) +#define DEC_0 0 +#define DEC_1 0 +#define DEC_2 1 +#define DEC_3 2 +#define DEC_4 3 +#define DEC_5 4 +#define DEC_6 5 +#define DEC_7 6 +#define DEC_8 7 +#define DEC_9 8 +#define DEC_10 9 +#define DEC_11 10 +#define DEC_12 11 +#define DEC_13 12 +#define DEC_14 13 +#define DEC_15 14 +#define DEC_16 15 +#define DEC_17 16 +#define DEC_18 17 +#define DEC_19 18 +#define DEC_20 19 +#define DEC_21 20 +#define DEC_22 21 +#define DEC_23 22 +#define DEC_24 23 +#define DEC_25 24 +#define DEC_26 25 +#define DEC_27 26 +#define DEC_28 27 +#define DEC_29 28 +#define DEC_30 29 +#define DEC_31 30 +#define DEC_32 31 + +#define EMPTY() +#define DEFER(id) id EMPTY() +#define OBSTRUCT(...) __VA_ARGS__ DEFER(EMPTY)() +#define EXPAND(...) __VA_ARGS__ + +#define EVAL(...) EVAL1(EVAL1(EVAL1(__VA_ARGS__))) +#define EVAL1(...) EVAL2(EVAL2(EVAL2(__VA_ARGS__))) +#define EVAL2(...) EVAL3(EVAL3(EVAL3(__VA_ARGS__))) +#define EVAL3(...) EVAL4(EVAL4(EVAL4(__VA_ARGS__))) +#define EVAL4(...) EVAL5(EVAL5(EVAL5(__VA_ARGS__))) +#define EVAL5(...) __VA_ARGS__ + +#define REPEAT(count, macro, ...) \ + WHEN(count) \ + ( \ + OBSTRUCT(REPEAT_INDIRECT) () \ + ( \ + DEC(count), macro, __VA_ARGS__ \ + ) \ + OBSTRUCT(macro) \ + ( \ + DEC(count), __VA_ARGS__ \ + ) \ + ) +#define REPEAT_INDIRECT() REPEAT + + +/** + * @} + */ + +#endif // ES_UTIL_H__ |