esp-idf/components/bt/porting/nimble/include/os/endian.h

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2022-06-17 09:37:48 -04:00
/*
* SPDX-FileCopyrightText: 2015-2022 The Apache Software Foundation (ASF)
*
* SPDX-License-Identifier: Apache-2.0
*
* SPDX-FileContributor: 2019-2022 Espressif Systems (Shanghai) CO LTD
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef H_ENDIAN_
#define H_ENDIAN_
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Internal helpers */
#ifndef os_bswap_64
#define os_bswap_64(x) ((uint64_t) \
((((x) & 0xff00000000000000ull) >> 56) | \
(((x) & 0x00ff000000000000ull) >> 40) | \
(((x) & 0x0000ff0000000000ull) >> 24) | \
(((x) & 0x000000ff00000000ull) >> 8) | \
(((x) & 0x00000000ff000000ull) << 8) | \
(((x) & 0x0000000000ff0000ull) << 24) | \
(((x) & 0x000000000000ff00ull) << 40) | \
(((x) & 0x00000000000000ffull) << 56)))
#endif
#ifndef os_bswap_32
#define os_bswap_32(x) ((uint32_t) \
((((x) & 0xff000000) >> 24) | \
(((x) & 0x00ff0000) >> 8) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x000000ff) << 24)))
#endif
#ifndef os_bswap_16
#define os_bswap_16(x) ((uint16_t) \
((((x) & 0xff00) >> 8) | \
(((x) & 0x00ff) << 8)))
#endif
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#ifndef ntohll
#define ntohll(x) ((uint64_t)(x))
#endif
#ifndef htonll
#define htonll(x) ((uint64_t)(x))
#endif
#ifndef ntohl
#define ntohl(x) ((uint32_t)(x))
#endif
#ifndef htonl
#define htonl(x) ((uint32_t)(x))
#endif
#ifndef ntohs
#define ntohs(x) ((uint16_t)(x))
#endif
#ifndef htons
#define htons(x) ((uint16_t)(x))
#endif
#ifndef htobe16
#define htobe16(x) ((uint16_t)(x))
#endif
#ifndef htole16
#define htole16(x) os_bswap_16 (x)
#endif
#ifndef be16toh
#define be16toh(x) ((uint16_t)(x))
#endif
#ifndef le16toh
#define le16toh(x) os_bswap_16 (x)
#endif
#ifndef htobe32
#define htobe32(x) ((uint32_t)(x))
#endif
#ifndef htole32
#define htole32(x) os_bswap_32 (x)
#endif
#ifndef be32toh
#define be32toh(x) ((uint32_t)(x))
#endif
#ifndef le32toh
#define le32toh(x) os_bswap_32 (x)
#endif
#ifndef htobe64
#define htobe64(x) ((uint64_t)(x))
#endif
#ifndef htole64
#define htole64(x) os_bswap_64 (x)
#endif
#ifndef be64toh
#define be64toh(x) ((uint64_t)(x))
#endif
#ifndef le64toh
#define le64toh(x) os_bswap_64 (x)
#endif
#else
#ifndef ntohll
#define ntohll(x) os_bswap_64(x)
#endif
#ifndef htonll
#define htonll ntohll
#endif
/* These are not used in NimBLE and ESP-IDF uses them from LwIP */
#if 0
#ifndef ntohl
#define ntohl(x) os_bswap_32(x)
#endif
#ifndef htonl
#define htonl ntohl
#endif
#ifndef htons
#define htons(x) os_bswap_16(x)
#endif
#ifndef ntohs
#define ntohs htons
#endif
#endif
#ifndef htobe16
#define htobe16(x) os_bswap_16(x)
#endif
#ifndef htole16
#define htole16(x) ((uint16_t)(x))
#endif
#ifndef be16toh
#define be16toh(x) os_bswap_16(x)
#endif
#ifndef le16toh
#define le16toh(x) ((uint16_t)(x))
#endif
#ifndef htobe32
#define htobe32(x) os_bswap_32(x)
#endif
#ifndef htole32
#define htole32(x) ((uint32_t)(x))
#endif
#ifndef be32toh
#define be32toh(x) os_bswap_32(x)
#endif
#ifndef le32toh
#define le32toh(x) ((uint32_t)(x))
#endif
#ifndef htobe64
#define htobe64(x) os_bswap_64(x)
#endif
#ifndef htole64
#define htole64(x) ((uint64_t)(x))
#endif
#ifndef be64toh
#define be64toh(x) os_bswap_64(x)
#endif
#ifndef le64toh
#define le64toh(x) ((uint64_t)(x))
#endif
#endif
#if SOC_ESP_NIMBLE_CONTROLLER
void r_put_le16(void *buf, uint16_t x);
#define put_le16 r_put_le16
void r_put_le24(void *buf, uint32_t x);
#define put_le24 r_put_le24
void r_put_le32(void *buf, uint32_t x);
#define put_le32 r_put_le32
void r_put_le64(void *buf, uint64_t x);
#define put_le64 r_put_le64
uint16_t r_get_le16(const void *buf);
#define get_le16 r_get_le16
uint32_t r_get_le24(const void *buf);
#define get_le24 r_get_le24
uint32_t r_get_le32(const void *buf);
#define get_le32 r_get_le32
uint64_t r_get_le64(const void *buf);
#define get_le64 r_get_le64
void r_put_be16(void *buf, uint16_t x);
#define put_be16 r_put_be16
void r_put_be24(void *buf, uint32_t x);
#define put_be24 r_put_be24
void r_put_be32(void *buf, uint32_t x);
#define put_be32 r_put_be32
void r_put_be64(void *buf, uint64_t x);
#define put_be64 r_put_be64
uint16_t r_get_be16(const void *buf);
#define get_be16 r_get_be16
uint32_t r_get_be24(const void *buf);
#define get_be24 r_get_be24
uint32_t r_get_be32(const void *buf);
#define get_be32 r_get_be32
uint64_t r_get_be64(const void *buf);
#define get_be64 r_get_be64
void r_swap_in_place(void *buf, int len);
#define swap_in_place r_swap_in_place
void r_swap_buf(uint8_t *dst, const uint8_t *src, int len);
#define swap_buf r_swap_buf
#else
void put_le16(void *buf, uint16_t x);
void put_le24(void *buf, uint32_t x);
void put_le32(void *buf, uint32_t x);
void put_le64(void *buf, uint64_t x);
uint16_t get_le16(const void *buf);
uint32_t get_le24(const void *buf);
uint32_t get_le32(const void *buf);
uint64_t get_le64(const void *buf);
void put_be16(void *buf, uint16_t x);
void put_be24(void *buf, uint32_t x);
void put_be32(void *buf, uint32_t x);
void put_be64(void *buf, uint64_t x);
uint16_t get_be16(const void *buf);
uint32_t get_be24(const void *buf);
uint32_t get_be32(const void *buf);
uint64_t get_be64(const void *buf);
void swap_in_place(void *buf, int len);
void swap_buf(uint8_t *dst, const uint8_t *src, int len);
#endif
#ifdef __cplusplus
}
#endif
#endif