建立工程，成功创建两个虚拟串口
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ranchuan
220
source/rt_thread/components/finsh/finsh_api.h
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source/rt_thread/components/finsh/finsh_api.h
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2010-03-22 Bernard first version
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*/
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#ifndef FINSH_API_H__
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#define FINSH_API_H__
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#include "finsh_config.h"
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#if defined(_MSC_VER)
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#pragma section("FSymTab$f",read)
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#pragma section("VSymTab",read)
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#endif
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typedef long (*syscall_func)(void);
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/* system call table */
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struct finsh_syscall
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{
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const char* name; /* the name of system call */
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#if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
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const char* desc; /* description of system call */
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#endif
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syscall_func func; /* the function address of system call */
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};
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extern struct finsh_syscall *_syscall_table_begin, *_syscall_table_end;
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/* find out system call, which should be implemented in user program */
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struct finsh_syscall* finsh_syscall_lookup(const char* name);
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#ifdef FINSH_USING_SYMTAB
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#ifdef __TI_COMPILER_VERSION__
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#define __TI_FINSH_EXPORT_FUNCTION(f) PRAGMA(DATA_SECTION(f,"FSymTab"))
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#define __TI_FINSH_EXPORT_VAR(v) PRAGMA(DATA_SECTION(v,"VSymTab"))
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#endif
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#ifdef FINSH_USING_DESCRIPTION
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#ifdef _MSC_VER
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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const char __fsym_##cmd##_name[] = #cmd; \
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const char __fsym_##cmd##_desc[] = #desc; \
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__declspec(allocate("FSymTab$f")) \
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const struct finsh_syscall __fsym_##cmd = \
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{ \
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__fsym_##cmd##_name, \
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__fsym_##cmd##_desc, \
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(syscall_func)&name \
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};
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#pragma comment(linker, "/merge:FSymTab=mytext")
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#define FINSH_VAR_EXPORT(name, type, desc) \
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const char __vsym_##name##_name[] = #name; \
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const char __vsym_##name##_desc[] = #desc; \
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__declspec(allocate("VSymTab")) \
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const struct finsh_sysvar __vsym_##name = \
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{ \
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__vsym_##name##_name, \
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__vsym_##name##_desc, \
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type, \
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(void*)&name \
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};
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#elif defined(__TI_COMPILER_VERSION__)
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
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const char __fsym_##cmd##_name[] = #cmd; \
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const char __fsym_##cmd##_desc[] = #desc; \
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const struct finsh_syscall __fsym_##cmd = \
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{ \
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__fsym_##cmd##_name, \
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__fsym_##cmd##_desc, \
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(syscall_func)&name \
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};
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#define FINSH_VAR_EXPORT(name, type, desc) \
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__TI_FINSH_EXPORT_VAR(__vsym_##name); \
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const char __vsym_##name##_name[] = #name; \
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const char __vsym_##name##_desc[] = #desc; \
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const struct finsh_sysvar __vsym_##name = \
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{ \
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__vsym_##name##_name, \
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__vsym_##name##_desc, \
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type, \
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(void*)&name \
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};
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#else
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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const char __fsym_##cmd##_name[] SECTION(".rodata.name") = #cmd; \
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const char __fsym_##cmd##_desc[] SECTION(".rodata.name") = #desc; \
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RT_USED const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
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{ \
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__fsym_##cmd##_name, \
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__fsym_##cmd##_desc, \
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(syscall_func)&name \
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};
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#define FINSH_VAR_EXPORT(name, type, desc) \
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const char __vsym_##name##_name[] SECTION(".rodata.name") = #name; \
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const char __vsym_##name##_desc[] SECTION(".rodata.name") = #desc; \
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RT_USED const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
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{ \
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__vsym_##name##_name, \
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__vsym_##name##_desc, \
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type, \
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(void*)&name \
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};
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#endif
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#else
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#ifdef _MSC_VER
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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const char __fsym_##cmd##_name[] = #cmd; \
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__declspec(allocate("FSymTab$f")) \
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const struct finsh_syscall __fsym_##cmd = \
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{ \
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__fsym_##cmd##_name, \
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(syscall_func)&name \
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};
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#pragma comment(linker, "/merge:FSymTab=mytext")
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#define FINSH_VAR_EXPORT(name, type, desc) \
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const char __vsym_##name##_name[] = #name; \
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__declspec(allocate("VSymTab")) const struct finsh_sysvar __vsym_##name = \
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{ \
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__vsym_##name##_name, \
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type, \
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(void*)&name \
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};
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#elif defined(__TI_COMPILER_VERSION__)
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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__TI_FINSH_EXPORT_FUNCTION(__fsym_##cmd); \
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const char __fsym_##cmd##_name[] = #cmd; \
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const struct finsh_syscall __fsym_##cmd = \
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{ \
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__fsym_##cmd##_name, \
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(syscall_func)&name \
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};
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#define FINSH_VAR_EXPORT(name, type, desc) \
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__TI_FINSH_EXPORT_VAR(__vsym_##name); \
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const char __vsym_##name##_name[] = #name; \
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const struct finsh_sysvar __vsym_##name = \
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{ \
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__vsym_##name##_name, \
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type, \
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(void*)&name \
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};
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#else
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#define FINSH_FUNCTION_EXPORT_CMD(name, cmd, desc) \
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const char __fsym_##cmd##_name[] = #cmd; \
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RT_USED const struct finsh_syscall __fsym_##cmd SECTION("FSymTab")= \
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{ \
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__fsym_##cmd##_name, \
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(syscall_func)&name \
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};
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#define FINSH_VAR_EXPORT(name, type, desc) \
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const char __vsym_##name##_name[] = #name; \
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RT_USED const struct finsh_sysvar __vsym_##name SECTION("VSymTab")= \
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{ \
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__vsym_##name##_name, \
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type, \
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(void*)&name \
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};
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#endif
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#endif /* end of FINSH_USING_DESCRIPTION */
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#endif /* end of FINSH_USING_SYMTAB */
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/**
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* @ingroup finsh
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*
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* This macro exports a system function to finsh shell.
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*
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* @param name the name of function.
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* @param desc the description of function, which will show in help.
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*/
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#define FINSH_FUNCTION_EXPORT(name, desc) \
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FINSH_FUNCTION_EXPORT_CMD(name, name, desc)
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/**
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* @ingroup finsh
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*
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* This macro exports a system function with an alias name to finsh shell.
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*
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* @param name the name of function.
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* @param alias the alias name of function.
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* @param desc the description of function, which will show in help.
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*/
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#define FINSH_FUNCTION_EXPORT_ALIAS(name, alias, desc) \
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FINSH_FUNCTION_EXPORT_CMD(name, alias, desc)
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/**
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* @ingroup finsh
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*
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* This macro exports a command to module shell.
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*
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* @param command the name of command.
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* @param desc the description of command, which will show in help.
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*/
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#ifdef FINSH_USING_MSH
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#define MSH_CMD_EXPORT(command, desc) \
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FINSH_FUNCTION_EXPORT_CMD(command, __cmd_##command, desc)
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#define MSH_CMD_EXPORT_ALIAS(command, alias, desc) \
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FINSH_FUNCTION_EXPORT_ALIAS(command, __cmd_##alias, desc)
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#else
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#define MSH_CMD_EXPORT(command, desc)
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#define MSH_CMD_EXPORT_ALIAS(command, alias, desc)
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#endif
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#endif
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