#ifndef __ARCH_CC_H__
#define __ARCH_CC_H__

#include <stdint.h>
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>

/* Compiler specific types */
typedef uint8_t     u8_t;
typedef int8_t      s8_t;
typedef uint16_t    u16_t;
typedef int16_t     s16_t;
typedef uint32_t    u32_t;
typedef int32_t     s32_t;
typedef uintptr_t   mem_ptr_t;

/* Formatters for printf */
#define U16_F "u"
#define S16_F "d"
#define X16_F "x"
#define U32_F "u"
#define S32_F "d"
#define X32_F "x"
#define SZT_F "u"
#define X8_F  "02x"

/* Endianness (Usually Little Endian for ARM) */
#ifndef BYTE_ORDER
#define BYTE_ORDER LITTLE_ENDIAN
#endif

/* Compiler hints for packing structures */
#if defined(__GNUC__)
    #define PACK_STRUCT_BEGIN
    #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
    #define PACK_STRUCT_END
    #define PACK_STRUCT_FIELD(x) x
#elif defined(__CC_ARM)
    #define PACK_STRUCT_BEGIN __packed
    #define PACK_STRUCT_STRUCT
    #define PACK_STRUCT_END
    #define PACK_STRUCT_FIELD(x) x
#elif defined(__IAR_SYSTEMS_ICC__)
    #define PACK_STRUCT_BEGIN
    #define PACK_STRUCT_STRUCT
    #define PACK_STRUCT_END
    #define PACK_STRUCT_FIELD(x) x
    #define PACK_STRUCT_USE_INCLUDES
#else
    #define PACK_STRUCT_BEGIN
    #define PACK_STRUCT_STRUCT
    #define PACK_STRUCT_END
    #define PACK_STRUCT_FIELD(x) x
#endif

/* Platform specific diagnostic output */
extern void osal_kprintf(const char *fmt, ...);
#define LWIP_PLATFORM_DIAG(x)   do { osal_kprintf x; } while(0)

/* Assert */
#define LWIP_PLATFORM_ASSERT(x) do { osal_kprintf("Assertion \"%s\" failed at line %d in %s\n", \
                                     x, __LINE__, __FILE__); } while(0)

/* Random number generator */
#define LWIP_RAND() ((u32_t)rand())

#endif /* __ARCH_CC_H__ */