ZW_typedefs.h

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// SPDX-FileCopyrightText: Silicon Laboratories Inc. <https://www.silabs.com/>
//
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef _ZW_TYPEDEFS_H_
#define _ZW_TYPEDEFS_H_
 
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
 
#ifndef ZW_WEAK
#define ZW_WEAK             __attribute__((weak))
#endif
 
#ifndef EOF
#define EOF (-1)
#endif
 
#ifndef NULL
#define NULL    ((void*)0)
#endif
 
#ifdef EFR32ZG
#define NO_RETURN                         __attribute__((noreturn))
#else
#define NO_RETURN
#endif
 
#define VOID_CALLBACKFUNC(completedFunc)  void (*completedFunc)
 
#define IS_NULL(x) (NULL == x)
#define NON_NULL(x) (NULL != x)
 
/* Gecko chips are little endian:
 *   https://www.silabs.com/community/mcu/32-bit/knowledge-base.entry.html/2017/11/08/endianness_of_silabs-xSJt
 *
 * This macro swaps endianness of a uint32_t
 */
#define UIP_HTONL(x) ( ((x >> 24) & 0x000000FF) | ((x >> 8) & 0x0000FF00) | ((x << 8 ) & 0x00FF0000) | ((x << 24) & 0xFF000000) )
 
 
#endif /* _ZW_TYPEDEFS_H_ */