1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** NetX Component */ 17 /** */ 18 /** Port Specific */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 24 /**************************************************************************/ 25 /* */ 26 /* PORT SPECIFIC C INFORMATION RELEASE */ 27 /* */ 28 /* nx_port.h Win32/VC2019 */ 29 /* 6.1 */ 30 /* */ 31 /* AUTHOR */ 32 /* */ 33 /* Yuxin Zhou, Microsoft Corporation */ 34 /* */ 35 /* DESCRIPTION */ 36 /* */ 37 /* This file contains data type definitions that make the NetX */ 38 /* real-time TCP/IP function identically on a variety of different */ 39 /* processor architectures. */ 40 /* */ 41 /* RELEASE HISTORY */ 42 /* */ 43 /* DATE NAME DESCRIPTION */ 44 /* */ 45 /* 09-30-2020 Yuxin Zhou Initial Version 6.1 */ 46 /* */ 47 /**************************************************************************/ 48 49 #ifndef NX_PORT_H 50 #define NX_PORT_H 51 52 /* Determine if the optional NetX user define file should be used. */ 53 54 #ifdef NX_INCLUDE_USER_DEFINE_FILE 55 56 57 /* Yes, include the user defines in nx_user.h. The defines in this file may 58 alternately be defined on the command line. */ 59 60 #include "nx_user.h" 61 #endif 62 63 64 /* Default to little endian, since this is what most ARM targets are. */ 65 66 #define NX_LITTLE_ENDIAN 1 67 68 69 #include <stdio.h> 70 #include <string.h> 71 #include <stdlib.h> 72 73 74 /* Define various constants for the port. */ 75 76 #ifndef NX_IP_PERIODIC_RATE 77 #define NX_IP_PERIODIC_RATE 100 /* Default IP periodic rate of 1 second for 78 ports with 10ms timer interrupts. This 79 value may be defined instead at the 80 command line and this value will not be 81 used. */ 82 #endif 83 84 85 /* Define macros that swap the endian for little endian ports. */ 86 #ifdef NX_LITTLE_ENDIAN 87 #define NX_CHANGE_ULONG_ENDIAN(arg) \ 88 { \ 89 ULONG _i; \ 90 ULONG _tmp; \ 91 _i = (UINT)arg; \ 92 /* _i = A, B, C, D */ \ 93 _tmp = _i ^ (((_i) >> 16) | (_i << 16)); \ 94 /* _tmp = _i ^ (_i ROR 16) = A^C, B^D, C^A, D^B */ \ 95 _tmp &= 0xff00ffff; \ 96 /* _tmp = A^C, 0, C^A, D^B */ \ 97 _i = ((_i) >> 8) | (_i<<24); \ 98 /* _i = D, A, B, C */ \ 99 _i = _i ^ ((_tmp) >> 8); \ 100 /* _i = D, C, B, A */ \ 101 arg = _i; \ 102 } 103 #define NX_CHANGE_USHORT_ENDIAN(a) a = (((a >> 8) | (a << 8)) & 0xFFFF) 104 105 106 #define __SWAP32__(val) ((((val) & 0xFF000000) >> 24 ) | (((val) & 0x00FF0000) >> 8) \ 107 | (((val) & 0x0000FF00) << 8) | (((val) & 0x000000FF) << 24)) 108 109 #define __SWAP16__(val) ((((val) & 0xFF00) >> 8) | (((val) & 0x00FF) << 8)) 110 111 112 #ifndef htonl 113 #define htonl(val) __SWAP32__(val) 114 #endif /* htonl */ 115 #ifndef ntohl 116 #define ntohl(val) __SWAP32__(val) 117 #endif /* htonl */ 118 119 #ifndef htons 120 #define htons(val) __SWAP16__(val) 121 #endif /*htons */ 122 123 #ifndef ntohs 124 #define ntohs(val) __SWAP16__(val) 125 #endif /*htons */ 126 127 128 #else 129 #define NX_CHANGE_ULONG_ENDIAN(a) 130 #define NX_CHANGE_USHORT_ENDIAN(a) 131 132 #ifndef htons 133 #define htons(val) (val) 134 #endif /* htons */ 135 136 #ifndef ntohs 137 #define ntohs(val) (val) 138 #endif /* ntohs */ 139 140 #ifndef ntohl 141 #define ntohl(val) (val) 142 #endif 143 144 #ifndef htonl 145 #define htonl(val) (val) 146 #endif /* htonl */ 147 #endif 148 149 150 /* Define several macros for the error checking shell in NetX. */ 151 152 #ifndef TX_TIMER_PROCESS_IN_ISR 153 154 #define NX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \ 155 extern TX_THREAD _tx_timer_thread; \ 156 extern volatile ULONG _tx_thread_system_state; 157 158 #define NX_THREADS_ONLY_CALLER_CHECKING if ((_tx_thread_system_state) || \ 159 (_tx_thread_current_ptr == TX_NULL) || \ 160 (_tx_thread_current_ptr == &_tx_timer_thread)) \ 161 return(NX_CALLER_ERROR); 162 163 #define NX_INIT_AND_THREADS_CALLER_CHECKING if (((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0))) || \ 164 (_tx_thread_current_ptr == &_tx_timer_thread)) \ 165 return(NX_CALLER_ERROR); 166 167 168 #define NX_NOT_ISR_CALLER_CHECKING if ((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0))) \ 169 return(NX_CALLER_ERROR); 170 171 #define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \ 172 ((_tx_thread_current_ptr == NX_NULL) || (_tx_thread_system_state) || (_tx_thread_current_ptr == &_tx_timer_thread))) \ 173 return(NX_CALLER_ERROR); 174 175 176 #else 177 178 179 180 #define NX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \ 181 extern volatile ULONG _tx_thread_system_state; 182 183 #define NX_THREADS_ONLY_CALLER_CHECKING if ((_tx_thread_system_state) || \ 184 (_tx_thread_current_ptr == TX_NULL)) \ 185 return(NX_CALLER_ERROR); 186 187 #define NX_INIT_AND_THREADS_CALLER_CHECKING if (((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0)))) \ 188 return(NX_CALLER_ERROR); 189 190 #define NX_NOT_ISR_CALLER_CHECKING if ((_tx_thread_system_state) && (_tx_thread_system_state < ((ULONG) 0xF0F0F0F0))) \ 191 return(NX_CALLER_ERROR); 192 193 #define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \ 194 ((_tx_thread_current_ptr == NX_NULL) || (_tx_thread_system_state))) \ 195 return(NX_CALLER_ERROR); 196 197 #endif 198 199 200 /* Define the version ID of NetX. This may be utilized by the application. */ 201 202 #ifdef NX_SYSTEM_INIT 203 CHAR _nx_version_id[] = 204 "Copyright (c) Microsoft Corporation. All rights reserved. * NetX Duo Win32/VS2019 Version 6.3.0 *"; 205 #else 206 extern CHAR _nx_version_id[]; 207 #endif 208 209 #endif 210 211
