rt-thread/bsp/efm32/Libraries/efm32lib/inc/efm32_common.h

74 lines
2.7 KiB
C

/***************************************************************************//**
* @file
* @brief EFM32 general purpose utilities.
* @author Energy Micro AS
* @version 2.0.0
*******************************************************************************
* @section License
* <b>(C) Copyright 2011 Energy Micro AS, http://www.energymicro.com</b>
*******************************************************************************
*
* This source code is the property of Energy Micro AS. The source and compiled
* code may only be used on Energy Micro "EFM32" microcontrollers.
*
* This copyright notice may not be removed from the source code nor changed.
*
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
* obligation to support this Software. Energy Micro AS is providing the
* Software "AS IS", with no express or implied warranties of any kind,
* including, but not limited to, any implied warranties of merchantability
* or fitness for any particular purpose or warranties against infringement
* of any proprietary rights of a third party.
*
* Energy Micro AS will not be liable for any consequential, incidental, or
* special damages, or any other relief, or for any claim by any third party,
* arising from your use of this Software.
*
******************************************************************************/
#ifndef __EFM32_COMMON_H
#define __EFM32_COMMON_H
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/***************************************************************************//**
* @addtogroup EFM32_Library
* @{
******************************************************************************/
/***************************************************************************//**
* @addtogroup COMMON
* @brief EFM32 general purpose utilities.
* @{
******************************************************************************/
#if !defined(__GNUC__)
/** Macro for getting minimum value. */
#define EFM32_MIN(a, b) ((a) < (b) ? (a) : (b))
/** Macro for getting maximum value. */
#define EFM32_MAX(a, b) ((a) > (b) ? (a) : (b))
#else
/** Macro for getting minimum value. No sideeffects, a and b are evaluated once only. */
#define EFM32_MIN(a, b) ({ typeof(a)_a = (a); typeof(b)_b = (b); _a < _b ? _a : _b; })
/** Macro for getting maximum value. No sideeffects, a and b are evaluated once only. */
#define EFM32_MAX(a, b) ({ typeof(a)_a = (a); typeof(b)_b = (b); _a > _b ? _a : _b; })
#endif
/** @} (end addtogroup COMMON) */
/** @} (end addtogroup EFM32_Library) */
#ifdef __cplusplus
}
#endif
#endif /* __EFM32_COMMON_H */