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RIOT/pkg/lwip/include/arch/cc.h 2.48 KB
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  /*
   * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @defgroup    lwip_arch_cc    Compiler and processor description
   * @ingroup     lwip
   * @brief       Describes compiler and processor to lwIP
   * @{
   *
   * @file
   * @brief   Compiler and processor definitions
   *
   * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
   */
  #ifndef ARCH_CC_H
  #define ARCH_CC_H
  
  #include <assert.h>
  #include <inttypes.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #include "irq.h"
  #include "byteorder.h"
  #include "mutex.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #ifndef BYTE_ORDER
  #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  #   define BYTE_ORDER  (LITTLE_ENDIAN)  /**< platform's endianess */
  #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  #   define BYTE_ORDER  (BIG_ENDIAN)     /**< platform's endianess */
  #else
  #   error "Byte order is neither little nor big!"
  #endif
  #endif
  
  /**
   * @brief   (sn)printf formatters for the generic lwIP types
   * @{
   */
  #define X8_F    "02" PRIx8
  #define U16_F   PRIu16
  #define S16_F   PRId16
  #define X16_F   PRIx16
  #define U32_F   PRIu32
  #define S32_F   PRId32
  #define X32_F   PRIx32
  
  #define SZT_F   "lu"
  /**
   * @}
   */
  
  /**
   * @brief   Compiler hints for packing structures
   * @{
   */
  #define PACK_STRUCT_FIELD(x)    x
  #define PACK_STRUCT_STRUCT      __attribute__((packed))
  #define PACK_STRUCT_BEGIN
  #define PACK_STRUCT_END
  /**
   * @}
   */
  
  /**
   * @todo check for best value
   */
  #define LWIP_CHKSUM_ALGORITHM   (3)
  
  #ifdef MODULE_LOG
  #  define LWIP_PLATFORM_DIAG(x)   LOG_INFO x
  #  ifdef NDEBUG
  #    define LWIP_PLATFORM_ASSERT(x)
  #  else
  #    define LWIP_PLATFORM_ASSERT(x)     \
          do { \
              LOG_ERROR("Assertion \"%s\" failed at %s:%d\n", x, __FILE__, __LINE__); \
              fflush(NULL); \
              abort(); \
          } while (0)
  #  endif
  #else
  #  define LWIP_PLATFORM_DIAG(x)   printf x
  #  ifdef NDEBUG
  #    define LWIP_PLATFORM_ASSERT(x)
  #  else
  #    define LWIP_PLATFORM_ASSERT(x)     \
          do { \
              printf("Assertion \"%s\" failed at %s:%d\n", x, __FILE__, __LINE__); \
              fflush(NULL); \
              abort(); \
          } while (0)
  #  endif
  #endif
  
  #define SYS_ARCH_PROTECT(x)         mutex_lock(&x)
  #define SYS_ARCH_UNPROTECT(x)       mutex_unlock(&x)
  #define SYS_ARCH_DECL_PROTECT(x)    mutex_t x = MUTEX_INIT
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* ARCH_CC_H */
  /** @} */