ESP-IDF
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Outline
#include <stdint.h>
#include <machine/endian.h>
#define bswap16
#define bswap32
#define bswap64
#define htobe16
#define htobe32
#define htobe64
#define htole16
#define htole32
#define htole64
#define be16toh
#define be32toh
#define be64toh
#define le16toh
#define le32toh
#define le64toh
#define htobe16
#define htobe32
#define htobe64
#define htole16
#define htole32
#define htole64
#define be16toh
#define be32toh
#define be64toh
#define le16toh
#define le32toh
#define le64toh
be16dec(const void *)
be32dec(const void *)
be64dec(const void *)
le16dec(const void *)
le32dec(const void *)
le64dec(const void *)
be16enc(void *, uint16_t)
be32enc(void *, uint32_t)
be64enc(void *, uint64_t)
le16enc(void *, uint16_t)
le32enc(void *, uint32_t)
le64enc(void *, uint64_t)
Files
ESP-IDF
components
app_trace
app_update
bootloader_support
bt
cmock
console
cxx
driver
efuse
esp_adc
esp_app_format
esp_bootloader_format
esp_coex
esp_common
esp_driver_ana_cmpr
esp_driver_cam
esp_driver_dac
esp_driver_gpio
esp_driver_gptimer
esp_driver_i2c
esp_driver_i2s
esp_driver_jpeg
esp_driver_ledc
esp_driver_mcpwm
esp_driver_parlio
esp_driver_pcnt
esp_driver_rmt
esp_driver_sdio
esp_driver_sdm
esp_driver_sdmmc
esp_driver_sdspi
esp_driver_spi
esp_driver_tsens
esp_driver_uart
esp_driver_usb_serial_jtag
esp_eth
esp_event
esp_gdbstub
esp_hid
esp_http_client
esp_http_server
esp_https_ota
esp_https_server
esp_hw_support
esp_lcd
esp_local_ctrl
esp_mm
esp_netif
esp_partition
esp_phy
esp_pm
esp_psram
esp_ringbuf
esp_rom
esp_security
esp_system
esp_timer
esp_vfs_console
esp_wifi
esp-tls
espcoredump
hal
heap
http_parser
ieee802154
log
mqtt
newlib
platform_include
net
sys
endian.h
esp_newlib.h
semaphore.h
port
priv_include
abort.c
assert.c
flockfile.c
getentropy.c
heap.c
locks.c
newlib_init.c
poll.c
pthread.c
random.c
realpath.c
reent_init.c
scandir.c
stdatomic.c
syscalls.c
sysconf.c
termios.c
time.c
nvs_flash
nvs_sec_provider
openthread
perfmon
protobuf-c
protocomm
pthread
rt
sdmmc
soc
spi_flash
spiffs
tcp_transport
ulp
unity
vfs
wear_levelling
wifi_provisioning
wpa_supplicant
xtensa
examples
lwIP
FreeRTOS
cJSON
mbedTLS
SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/newlib/platform_include/endian.h
 
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/* * All the code below is a rework of * https://github.com/freebsd/freebsd/blob/master/sys/sys/endian.h * to import symbols defining non-standard endian handling functions. * The aforementioned source code license terms are included here. * For further license info, please look at https://github.com/freebsd/freebsd *//* ... */ /*- * SPDX-FileCopyrightText: 2018-2024 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2020 Francesco Giancane <francesco.giancane@accenture.com> * SPDX-FileCopyrightText: 2002 Thomas Moestl <tmm@FreeBSD.org> * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND Apache-2.0 * * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org> * 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 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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. * * $FreeBSD$ *//* ... */ #pragma once #include <stdint.h> /* * This is a compatibility header for <endian.h>. * In xtensa-newlib distribution it is located in <machine/endian.h> * but most program expect to be plain <endian.h>. *//* ... */ #include <machine/endian.h> #ifdef __cplusplus extern "C" { #endif /* * General byte order swapping functions. *//* ... */ #define bswap16(x) __bswap16(x) #define bswap32(x) __bswap32(x) #define bswap64(x) __bswap64(x) /* * Host to big endian, host to little endian, big endian to host, and little * endian to host byte order functions as detailed in byteorder(9). *//* ... */ #if _BYTE_ORDER == _LITTLE_ENDIAN #define htobe16(x) bswap16((x)) #define htobe32(x) bswap32((x)) #define htobe64(x) bswap64((x)) #define htole16(x) ((uint16_t)(x)) #define htole32(x) ((uint32_t)(x)) #define htole64(x) ((uint64_t)(x)) #define be16toh(x) bswap16((x)) #define be32toh(x) bswap32((x)) #define be64toh(x) bswap64((x)) #define le16toh(x) ((uint16_t)(x)) #define le32toh(x) ((uint32_t)(x)) #define le64toh(x) ((uint64_t)(x))/* ... */ #else /* _BYTE_ORDER != _LITTLE_ENDIAN */ #define htobe16(x) ((uint16_t)(x)) #define htobe32(x) ((uint32_t)(x)) #define htobe64(x) ((uint64_t)(x)) #define htole16(x) bswap16((x)) #define htole32(x) bswap32((x)) #define htole64(x) bswap64((x)) #define be16toh(x) ((uint16_t)(x)) #define be32toh(x) ((uint32_t)(x)) #define be64toh(x) ((uint64_t)(x)) #define le16toh(x) bswap16((x)) #define le32toh(x) bswap32((x)) #define le64toh(x) bswap64((x))/* ... */ #endif /* _BYTE_ORDER == _LITTLE_ENDIAN */ /* Alignment-agnostic encode/decode bytestream to/from little/big endian. */ static __inline uint16_t be16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return ((p[0] << 8) | p[1]); }{ ... } static __inline uint32_t be32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); }{ ... } static __inline uint64_t be64dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4)); }{ ... } static __inline uint16_t le16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return ((p[1] << 8) | p[0]); }{ ... } static __inline uint32_t le32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); }{ ... } static __inline uint64_t le64dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p)); }{ ... } static __inline void be16enc(void *pp, uint16_t u) { uint8_t *p = (uint8_t *)pp; p[0] = (u >> 8) & 0xff; p[1] = u & 0xff; }{ ... } static __inline void be32enc(void *pp, uint32_t u) { uint8_t *p = (uint8_t *)pp; p[0] = (u >> 24) & 0xff; p[1] = (u >> 16) & 0xff; p[2] = (u >> 8) & 0xff; p[3] = u & 0xff; }{ ... } static __inline void be64enc(void *pp, uint64_t u) { uint8_t *p = (uint8_t *)pp; be32enc(p, (uint32_t)(u >> 32)); be32enc(p + 4, (uint32_t)(u & 0xffffffffU)); }{ ... } static __inline void le16enc(void *pp, uint16_t u) { uint8_t *p = (uint8_t *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; }{ ... } static __inline void le32enc(void *pp, uint32_t u) { uint8_t *p = (uint8_t *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; p[2] = (u >> 16) & 0xff; p[3] = (u >> 24) & 0xff; }{ ... } static __inline void le64enc(void *pp, uint64_t u) { uint8_t *p = (uint8_t *)pp; le32enc(p, (uint32_t)(u & 0xffffffffU)); le32enc(p + 4, (uint32_t)(u >> 32)); }{ ... } #ifdef __cplusplus }{...} #endif
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