espressif_tinyusb/vendor/lwip/lpclwip/arch/cc.h

100 lines
3.4 KiB
C

/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __CC_H__
#define __CC_H__
#include <stdint.h>
#include "common/assertion.h"
/* Types based on stdint.h */
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;
/* Define (sn)printf formatters for these lwIP types */
#define U16_F "hu"
#define S16_F "hd"
#define X16_F "hx"
#define U32_F "lu"
#define S32_F "ld"
#define X32_F "lx"
#define SZT_F "uz"
/* ARM/LPC17xx is little endian only */
#define BYTE_ORDER LITTLE_ENDIAN
/* Use LWIP error codes */
#define LWIP_PROVIDE_ERRNO
#if defined(__arm__) && defined(__ARMCC_VERSION)
/* Keil uVision4 tools */
#define PACK_STRUCT_BEGIN __packed
#define PACK_STRUCT_STRUCT
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(fld) fld
#define ALIGNED(n) __align(n)
#elif defined (__IAR_SYSTEMS_ICC__)
/* IAR Embedded Workbench tools */
#define PACK_STRUCT_BEGIN __packed
#define PACK_STRUCT_STRUCT
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(fld) fld
// #define PACK_STRUCT_USE_INCLUDES
#error NEEDS ALIGNED // FIXME TBD
#else
/* GCC tools (CodeSourcery) */
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(fld) fld
#define ALIGNED(n) __attribute__((aligned (n)))
#endif
/* Used with IP headers only */
#define LWIP_CHKSUM_ALGORITHM 1
#ifdef LWIP_DEBUG
/* Plaform specific diagnostic output */
#define LWIP_PLATFORM_DIAG(vars) printf(vars)
#define LWIP_PLATFORM_ASSERT(flag) hal_debugger_breakpoint()
#else
#define LWIP_PLATFORM_DIAG(msg) { ; }
#define LWIP_PLATFORM_ASSERT(flag) hal_debugger_breakpoint()
#endif
#endif /* __CC_H__ */