LwIP with PPP & Ethernet integration
This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/
It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack
Licence
LwIP is licenced under the BSD licence:
Copyright (c) 2001-2004 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.
arch/cc.h
- Committer:
- donatien
- Date:
- 2012-05-25
- Revision:
- 2:1a87f74b8e3b
- Parent:
- 0:8e01dca41002
File content as of revision 2:1a87f74b8e3b:
/* cc.h */ /* Copyright (C) 2012 ARM Limited. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef CC_H_ #define CC_H_ #include <stdint.h> //This file was written according to http://lwip.wikia.com/wiki/Porting_for_an_OS and http://git.savannah.gnu.org/cgit/lwip.git/tree/doc/sys_arch.txt //Data types typedef uint8_t u8_t; typedef uint16_t u16_t; typedef uint32_t u32_t; typedef int8_t s8_t; typedef int16_t s16_t; typedef int32_t s32_t; typedef uint32_t mem_ptr_t; //Debug //__DEBUG__ must be defined to enable the macros #ifndef __DEBUG__ #define __DEBUG__ 4 //Maximum verbosity #endif #ifndef __MODULE__ #define __MODULE__ "LwIP" #endif #include "dbg.h" #define LWIP_PLATFORM_DIAG(...) DBG(__VA_ARGS__) //#define LWIP_PLATFORM_ASSERT(x) do{ ERR(x); } while(0) #define LWIP_PLATFORM_ASSERT(...) ERR(__VA_ARGS__) //Printf formatters #define U16_F "hu" #define S16_F "d" #define X16_F "hx" #define U32_F "u" #define S32_F "d" #define X32_F "x" #define SZT_F "uz" //Endianness #define BYTE_ORDER LITTLE_ENDIAN #define LWIP_PLATFORM_BYTESWAP 1 /* #define LWIP_PLATFORM_HTONS(x) ( (((u16_t)(x))>>8) | (((x)&0xFF)<<8) ) #define LWIP_PLATFORM_HTONL(x) ( (((u32_t)(x))>>24) | (((x)&0xFF0000)>>8) \ | (((x)&0xFF00)<<8) | (((x)&0xFF)<<24) ) */ #include "cmsis.h" #define LWIP_PLATFORM_HTONS(x) __REV16(x) #define LWIP_PLATFORM_HTONL(x) __REV(x) //Checksums /* IP protocols use checksums (see RFC 1071). LwIP gives you a choice of 3 algorithms: load byte by byte, construct 16 bits word and add: not efficient for most platforms load first byte if odd address, loop processing 16 bits words, add last byte. load first byte and word if not 4 byte aligned, loop processing 32 bits words, add last word/byte. */ #define LWIP_CHKSUM_ALGORITHM 3 //Structure packing #if defined ( __CC_ARM ) //This will work with ARMCC #define PACK_STRUCT_FIELD(x) x//__packed x #define PACK_STRUCT_STRUCT #define PACK_STRUCT_BEGIN __packed #define PACK_STRUCT_END #define ALIGNED(n) __align(n) #elif defined ( __GNUC__ ) //This will work with GCC and ARMCC in GCC-compatible mode #define PACK_STRUCT_FIELD(x) x __attribute__((packed)) #define PACK_STRUCT_STRUCT __attribute__((packed)) #define PACK_STRUCT_BEGIN #define PACK_STRUCT_END #define ALIGNED(n) __attribute__((aligned (n))) #else #error "This toolchain is not currently supported for LwIP support (you can FIXME)" #endif #define LWIP_PROVIDE_ERRNO #define SYS_LIGHTWEIGHT_PROT 1 /* sys.h will provide default definitions (as of version 1.3.0) of these macros as: #define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev #define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect() #define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev) */ #endif /* CC_H_ */