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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Port Specific */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* PORT SPECIFIC C INFORMATION RELEASE */
/* */
/* nx_port.h Cortex-M4/GNU */
/* 6.1 */
/* */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file contains data type definitions that make the NetX */
/* real-time TCP/IP function identically on a variety of different */
/* processor architectures. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), and */
/* corrected the code of */
/* getting system state, */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
#ifndef NX_PORT_H
#define NX_PORT_H
/* Determine if the optional NetX user define file should be used. */
#ifdef NX_INCLUDE_USER_DEFINE_FILE
/* Yes, include the user defines in nx_user.h. The defines in this file may
alternately be defined on the command line. */
#include "nx_user.h"
#endif
/* Default to little endian, since this is what most ARM targets are. */
#define NX_LITTLE_ENDIAN 1
/* By default IPv6 is enabled. */
#ifndef FEATURE_NX_IPV6
#define FEATURE_NX_IPV6
#endif /* FEATURE_NX_IPV6 */
#ifdef NX_DISABLE_IPV6
#undef FEATURE_NX_IPV6
#endif /* !NX_DISABLE_IPV6 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
/* Define various constants for the port. */
#ifndef NX_IP_PERIODIC_RATE
#define NX_IP_PERIODIC_RATE 100 /* Default IP periodic rate of 1 second for
ports with 10ms timer interrupts. This
value may be defined instead at the
command line and this value will not be
used. */
#endif
/* Define macros that swap the endian for little endian ports. */
#ifdef NX_LITTLE_ENDIAN
#define NX_CHANGE_ULONG_ENDIAN(arg) (arg) = __builtin_bswap32(arg)
#define NX_CHANGE_USHORT_ENDIAN(arg) (arg) = __builtin_bswap16(arg)
#ifndef htonl
#define htonl(val) __builtin_bswap32(val)
#endif /* htonl */
#ifndef ntohl
#define ntohl(val) __builtin_bswap32(val)
#endif /* htonl */
#ifndef htons
#define htons(val) __builtin_bswap16(val)
#endif /*htons */
#ifndef ntohs
#define ntohs(val) __builtin_bswap16(val)
#endif /*htons */
#else
#define NX_CHANGE_ULONG_ENDIAN(a)
#define NX_CHANGE_USHORT_ENDIAN(a)
#ifndef htons
#define htons(val) (val)
#endif /* htons */
#ifndef ntohs
#define ntohs(val) (val)
#endif /* ntohs */
#ifndef ntohl
#define ntohl(val) (val)
#endif
#ifndef htonl
#define htonl(val) (val)
#endif /* htonl */
#endif
/* Define several macros for the error checking shell in NetX. */
#ifndef TX_TIMER_PROCESS_IN_ISR
#define NX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \
extern TX_THREAD _tx_timer_thread; \
extern volatile ULONG _tx_thread_system_state;
#define NX_THREADS_ONLY_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) || \
(_tx_thread_current_ptr == TX_NULL) || \
(_tx_thread_current_ptr == &_tx_timer_thread)) \
return(NX_CALLER_ERROR);
#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) || \
(_tx_thread_current_ptr == &_tx_timer_thread)) \
return(NX_CALLER_ERROR);
#define NX_NOT_ISR_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
return(NX_CALLER_ERROR);
#define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
return(NX_CALLER_ERROR);
#else
#define NX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \
extern volatile ULONG _tx_thread_system_state;
#define NX_THREADS_ONLY_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) || \
(_tx_thread_current_ptr == TX_NULL)) \
return(NX_CALLER_ERROR);
#define NX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0)))) \
return(NX_CALLER_ERROR);
#define NX_NOT_ISR_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) && (TX_THREAD_GET_SYSTEM_STATE() < ((ULONG) 0xF0F0F0F0))) \
return(NX_CALLER_ERROR);
#define NX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
return(NX_CALLER_ERROR);
#endif
/* Define the version ID of NetX. This may be utilized by the application. */
#ifdef NX_SYSTEM_INIT
CHAR _nx_version_id[] =
"Copyright (c) Microsoft Corporation. All rights reserved. * NetX Duo Cortex-M4/GNU Version 6.1.10 *";
#else
extern CHAR _nx_version_id[];
#endif
#endif