Pascal Nysten / lwip

Adapted to Lora Semtech + Nucleo

Dependencies:   DebugLib

Dependents:   LoRaWAN-lmic-app LoRaWAN-lmic-app LoRaWAN-test-10secs LoRaPersonalizedDeviceForEverynet ... more

Fork of lwip_ppp_ethernet by Donatien Garnier

arch/cc.h@3:a9e6ba815945, 2015-11-20 (annotated)

Committer:
pnysten
Date:
Fri Nov 20 12:30:58 2015 +0000
Revision:
3:a9e6ba815945
Parent:
0:8e01dca41002 
Adapted to Nucleo, LoRa Semtech

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:8e01dca41002 1 /* cc.h */
donatien 0:8e01dca41002 2 /*
donatien 0:8e01dca41002 3 Copyright (C) 2012 ARM Limited.
donatien 0:8e01dca41002 4
donatien 0:8e01dca41002 5 Permission is hereby granted, free of charge, to any person obtaining a copy of
donatien 0:8e01dca41002 6 this software and associated documentation files (the "Software"), to deal in
donatien 0:8e01dca41002 7 the Software without restriction, including without limitation the rights to
donatien 0:8e01dca41002 8 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
donatien 0:8e01dca41002 9 of the Software, and to permit persons to whom the Software is furnished to do
donatien 0:8e01dca41002 10 so, subject to the following conditions:
donatien 0:8e01dca41002 11
donatien 0:8e01dca41002 12 The above copyright notice and this permission notice shall be included in all
donatien 0:8e01dca41002 13 copies or substantial portions of the Software.
donatien 0:8e01dca41002 14
donatien 0:8e01dca41002 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 0:8e01dca41002 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 0:8e01dca41002 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 0:8e01dca41002 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 0:8e01dca41002 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 0:8e01dca41002 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
donatien 0:8e01dca41002 21 SOFTWARE.
donatien 0:8e01dca41002 22 */
donatien 0:8e01dca41002 23
donatien 0:8e01dca41002 24 #ifndef CC_H_
donatien 0:8e01dca41002 25 #define CC_H_
donatien 0:8e01dca41002 26
donatien 0:8e01dca41002 27 #include <stdint.h>
donatien 0:8e01dca41002 28
donatien 0:8e01dca41002 29 //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
donatien 0:8e01dca41002 30
donatien 0:8e01dca41002 31 //Data types
donatien 0:8e01dca41002 32 typedef uint8_t u8_t;
donatien 0:8e01dca41002 33 typedef uint16_t u16_t;
donatien 0:8e01dca41002 34 typedef uint32_t u32_t;
donatien 0:8e01dca41002 35
donatien 0:8e01dca41002 36 typedef int8_t s8_t;
donatien 0:8e01dca41002 37 typedef int16_t s16_t;
donatien 0:8e01dca41002 38 typedef int32_t s32_t;
donatien 0:8e01dca41002 39
donatien 0:8e01dca41002 40 typedef uint32_t mem_ptr_t;
donatien 0:8e01dca41002 41
donatien 0:8e01dca41002 42 //Debug
donatien 0:8e01dca41002 43 //__DEBUG__ must be defined to enable the macros
donatien 0:8e01dca41002 44 #ifndef __DEBUG__
donatien 0:8e01dca41002 45 #define __DEBUG__ 4 //Maximum verbosity
donatien 0:8e01dca41002 46 #endif
donatien 0:8e01dca41002 47 #ifndef __MODULE__
donatien 0:8e01dca41002 48 #define __MODULE__ "LwIP"
donatien 0:8e01dca41002 49 #endif
donatien 0:8e01dca41002 50 #include "dbg.h"
donatien 0:8e01dca41002 51
donatien 0:8e01dca41002 52 #define LWIP_PLATFORM_DIAG(...) DBG(__VA_ARGS__)
donatien 0:8e01dca41002 53 //#define LWIP_PLATFORM_ASSERT(x) do{ ERR(x); } while(0)
donatien 0:8e01dca41002 54 #define LWIP_PLATFORM_ASSERT(...) ERR(__VA_ARGS__)
donatien 0:8e01dca41002 55
donatien 0:8e01dca41002 56 //Printf formatters
donatien 0:8e01dca41002 57 #define U16_F "hu"
donatien 0:8e01dca41002 58 #define S16_F "d"
donatien 0:8e01dca41002 59 #define X16_F "hx"
donatien 0:8e01dca41002 60 #define U32_F "u"
donatien 0:8e01dca41002 61 #define S32_F "d"
donatien 0:8e01dca41002 62 #define X32_F "x"
donatien 0:8e01dca41002 63 #define SZT_F "uz"
donatien 0:8e01dca41002 64
donatien 0:8e01dca41002 65 //Endianness
donatien 0:8e01dca41002 66 #define BYTE_ORDER LITTLE_ENDIAN
donatien 0:8e01dca41002 67
donatien 0:8e01dca41002 68 #define LWIP_PLATFORM_BYTESWAP 1
donatien 0:8e01dca41002 69 /*
donatien 0:8e01dca41002 70 #define LWIP_PLATFORM_HTONS(x) ( (((u16_t)(x))>>8) | (((x)&0xFF)<<8) )
donatien 0:8e01dca41002 71 #define LWIP_PLATFORM_HTONL(x) ( (((u32_t)(x))>>24) | (((x)&0xFF0000)>>8) \
donatien 0:8e01dca41002 72 | (((x)&0xFF00)<<8) | (((x)&0xFF)<<24) )
donatien 0:8e01dca41002 73 */
donatien 0:8e01dca41002 74
donatien 0:8e01dca41002 75 #include "cmsis.h"
donatien 0:8e01dca41002 76 #define LWIP_PLATFORM_HTONS(x) __REV16(x)
donatien 0:8e01dca41002 77 #define LWIP_PLATFORM_HTONL(x) __REV(x)
donatien 0:8e01dca41002 78
donatien 0:8e01dca41002 79 //Checksums
donatien 0:8e01dca41002 80 /*
donatien 0:8e01dca41002 81 IP protocols use checksums (see RFC 1071). LwIP gives you a choice of 3 algorithms:
donatien 0:8e01dca41002 82 load byte by byte, construct 16 bits word and add: not efficient for most platforms
donatien 0:8e01dca41002 83 load first byte if odd address, loop processing 16 bits words, add last byte.
donatien 0:8e01dca41002 84 load first byte and word if not 4 byte aligned, loop processing 32 bits words, add last word/byte.
donatien 0:8e01dca41002 85 */
donatien 0:8e01dca41002 86 #define LWIP_CHKSUM_ALGORITHM 3
donatien 0:8e01dca41002 87
donatien 0:8e01dca41002 88 //Structure packing
donatien 0:8e01dca41002 89 #if defined ( __CC_ARM )
donatien 0:8e01dca41002 90
donatien 0:8e01dca41002 91 //This will work with ARMCC
donatien 0:8e01dca41002 92 #define PACK_STRUCT_FIELD(x) x//__packed x
donatien 0:8e01dca41002 93 #define PACK_STRUCT_STRUCT
donatien 0:8e01dca41002 94 #define PACK_STRUCT_BEGIN __packed
donatien 0:8e01dca41002 95 #define PACK_STRUCT_END
donatien 0:8e01dca41002 96 #define ALIGNED(n) __align(n)
donatien 0:8e01dca41002 97
donatien 0:8e01dca41002 98 #elif defined ( __GNUC__ )
donatien 0:8e01dca41002 99
donatien 0:8e01dca41002 100 //This will work with GCC and ARMCC in GCC-compatible mode
donatien 0:8e01dca41002 101 #define PACK_STRUCT_FIELD(x) x __attribute__((packed))
donatien 0:8e01dca41002 102 #define PACK_STRUCT_STRUCT __attribute__((packed))
donatien 0:8e01dca41002 103 #define PACK_STRUCT_BEGIN
donatien 0:8e01dca41002 104 #define PACK_STRUCT_END
donatien 0:8e01dca41002 105 #define ALIGNED(n) __attribute__((aligned (n)))
donatien 0:8e01dca41002 106
donatien 0:8e01dca41002 107 #else
donatien 0:8e01dca41002 108 #error "This toolchain is not currently supported for LwIP support (you can FIXME)"
donatien 0:8e01dca41002 109 #endif
donatien 0:8e01dca41002 110
donatien 0:8e01dca41002 111 #define LWIP_PROVIDE_ERRNO
donatien 0:8e01dca41002 112
donatien 0:8e01dca41002 113 #define SYS_LIGHTWEIGHT_PROT 1
donatien 0:8e01dca41002 114 /*
donatien 0:8e01dca41002 115 sys.h will provide default definitions (as of version 1.3.0) of these macros as:
donatien 0:8e01dca41002 116 #define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev
donatien 0:8e01dca41002 117 #define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect()
donatien 0:8e01dca41002 118 #define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev)
donatien 0:8e01dca41002 119 */
donatien 0:8e01dca41002 120
donatien 0:8e01dca41002 121 #endif /* CC_H_ */