[finsh] Use standard uint type for data type.

Use uint8_t/uint32_t etc to replace u_char/u_long etc;
Use getchar for shell input.

19 files changed, 281 insertions, 297 deletions

diff --git a/components/finsh/KConfig b/components/finsh/KConfig
index e735517f4b..7b69f0e6b8 100644
--- a/components/finsh/KConfig
+++ b/components/finsh/KConfig
@@ -6,6 +6,10 @@ config RT_USING_FINSH
 
 if RT_USING_FINSH
 
+config FINSH_USING_HISTORY
+    bool "Enable command history feature"
+    default y
+
 config FINSH_USING_SYMTAB
     bool "Using symbol table for commands"
     default y
@@ -18,18 +22,25 @@ config FINSH_THREAD_STACK_SIZE
     int "The stack size for finsh thread"
     default 4096
 
+config FINSH_CMD_SIZE
+    int "The command line size for shell"
+    default 80
+
 config FINSH_USING_AUTH
     bool "shell support authentication"
     default n
-   
+
+if FINSH_USING_AUTH
 config FINSH_DEFAULT_PASSWORD
     string "The default password for shell authentication"
     default "rtthread"
+endif
 
 config FINSH_USING_MSH
     bool "Using module shell"
     default y
 
+if FINSH_USING_MSH
 config FINSH_USING_MSH_DEFAULT
     bool "Using module shell in default"
     default y
@@ -37,6 +48,7 @@ config FINSH_USING_MSH_DEFAULT
 config FINSH_USING_MSH_ONLY
     bool "Only using module shell"
     default n
+endif
 
 endif
 
diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index ae00623891..9197c90ad1 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -121,13 +121,15 @@ static long _list_thread(struct rt_list_node *list)
     rt_kprintf(     " ---  ------- ---------- ----------  ------  ---------- ---\n");
     for (node = list->next; node != list; node = node->next)
     {
+    	rt_uint8_t stat;
         thread = rt_list_entry(node, struct rt_thread, list);
         rt_kprintf("%-*.*s %3d ", maxlen, RT_NAME_MAX, thread->name, thread->current_priority);
 
-        if (thread->stat == RT_THREAD_READY)        rt_kprintf(" ready  ");
-        else if (thread->stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
-        else if (thread->stat == RT_THREAD_INIT)    rt_kprintf(" init   ");
-        else if (thread->stat == RT_THREAD_CLOSE)   rt_kprintf(" close  ");
+		stat = (thread->stat & RT_THREAD_STAT_MASK);
+        if (stat == RT_THREAD_READY)        rt_kprintf(" ready  ");
+        else if (stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
+        else if (stat == RT_THREAD_INIT)    rt_kprintf(" init   ");
+        else if (stat == RT_THREAD_CLOSE)   rt_kprintf(" close  ");
 
         ptr = (rt_uint8_t *)thread->stack_addr;
         while (*ptr == '#')ptr ++;
@@ -613,14 +615,17 @@ int list_mod_detail(const char *name)
             /* list main thread in module */
             if (module->module_thread != RT_NULL)
             {
+            	rt_uint8_t stat;
+				
                 rt_kprintf("main thread  pri  status      sp     stack size max used   left tick  error\n");
                 rt_kprintf("------------- ---- ------- ---------- ---------- ---------- ---------- ---\n");
                 thread = module->module_thread;
                 rt_kprintf("%-8.*s 0x%02x", RT_NAME_MAX, thread->name, thread->current_priority);
 
-                if (thread->stat == RT_THREAD_READY)        rt_kprintf(" ready  ");
-                else if (thread->stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
-                else if (thread->stat == RT_THREAD_INIT)    rt_kprintf(" init   ");
+				stat = (thread->stat & RT_THREAD_STAT_MASK);
+                if (stat == RT_THREAD_READY)        rt_kprintf(" ready  ");
+                else if (stat == RT_THREAD_SUSPEND) rt_kprintf(" suspend");
+                else if (stat == RT_THREAD_INIT)    rt_kprintf(" init   ");
 
                 ptr = (rt_uint8_t *)thread->stack_addr;
                 while (*ptr == '#')ptr ++;
diff --git a/components/finsh/finsh.h b/components/finsh/finsh.h
index e80eaab178..2c7815522c 100644
--- a/components/finsh/finsh.h
+++ b/components/finsh/finsh.h
@@ -56,38 +56,12 @@
 
 /* -- the end of option -- */
 
-#if defined(RT_USING_NEWLIB) || defined (RT_USING_MINILIBC)
-#include <sys/types.h>
-#include <string.h>
-#else
-typedef unsigned char  u_char;
-typedef unsigned short u_short;
-typedef unsigned long  u_long;
-
-#if !defined(__CC_ARM)             && \
-    !defined(__IAR_SYSTEMS_ICC__)  && \
-    !defined(__ADSPBLACKFIN__)     && \
-    !defined(_MSC_VER)
-
-/* only for GNU GCC */
-
-#if !(defined(__GNUC__) && defined(__x86_64__))
-typedef unsigned int size_t;
-#else
+/* std header file */
 #include <stdio.h>
-#endif
-
-#ifndef NULL
-#define NULL RT_NULL
-#endif
-
-#else
-/* use libc of armcc */
 #include <ctype.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
-#endif
-#endif
 
 #define FINSH_VERSION_MAJOR			1
 #define FINSH_VERSION_MINOR			0
@@ -144,7 +118,7 @@ struct finsh_sysvar
 #if defined(FINSH_USING_DESCRIPTION) && defined(FINSH_USING_SYMTAB)
 	const char* 	desc;		/* description of system variable */
 #endif
-	u_char		 type;		/* the type of variable */
+	uint8_t		 type;		/* the type of variable */
 	void*		 var ;		/* the address of variable */
 };
 
@@ -360,16 +334,16 @@ struct finsh_token
 	char replay;
 
 	int  position;
-	u_char current_token;
+	uint8_t current_token;
 
 	union {
 		char char_value;
 		int int_value;
 		long long_value;
 	} value;
-	u_char string[FINSH_STRING_MAX];
+	uint8_t string[FINSH_STRING_MAX];
 
-	u_char* line;
+	uint8_t* line;
 };
 
 #define FINSH_IDTYPE_VAR		0x01
@@ -378,9 +352,9 @@ struct finsh_token
 #define FINSH_IDTYPE_ADDRESS	0x08
 struct finsh_node
 {
-	u_char node_type;	/* node node_type */
-	u_char data_type;	/* node data node_type */
-	u_char idtype;		/* id node information */
+	uint8_t node_type;	/* node node_type */
+	uint8_t data_type;	/* node data node_type */
+	uint8_t idtype;		/* id node information */
 
 	union {			/* value node */
 		char 	char_value;
@@ -403,7 +377,7 @@ struct finsh_node
 
 struct finsh_parser
 {
-	u_char* parser_string;
+	uint8_t* parser_string;
 
     struct finsh_token token;
 	struct finsh_node* root;
@@ -455,9 +429,9 @@ struct finsh_var* finsh_var_lookup(const char* name);
 long finsh_stack_bottom(void);
 
 /* get error number of finsh */
-u_char finsh_errno(void);
+uint8_t finsh_errno(void);
 /* get error string */
-const char* finsh_error_string(u_char type);
+const char* finsh_error_string(uint8_t type);
 
 #ifdef RT_USING_HEAP
 /**
@@ -477,6 +451,6 @@ void finsh_syscall_append(const char* name, syscall_func func);
  * @param type the data type of system variable
  * @param addr the address of system variable
  */
-void finsh_sysvar_append(const char* name, u_char type, void* addr);
+void finsh_sysvar_append(const char* name, uint8_t type, void* addr);
 #endif
 #endif
diff --git a/components/finsh/finsh_compiler.c b/components/finsh/finsh_compiler.c
index 55b3bcbde9..cf6bb0fe43 100644
--- a/components/finsh/finsh_compiler.c
+++ b/components/finsh/finsh_compiler.c
@@ -34,7 +34,7 @@
 #include "finsh_ops.h"
 
 union finsh_value*  finsh_compile_sp;       /* stack pointer */
-u_char*             finsh_compile_pc;       /* PC */
+uint8_t*            finsh_compile_pc;       /* PC */
 
 #define finsh_code_byte(x)  do { *finsh_compile_pc = (x); finsh_compile_pc ++; } while(0)
 #define finsh_code_word(x)  do { FINSH_SET16(finsh_compile_pc, x); finsh_compile_pc +=2; } while(0)
@@ -210,7 +210,7 @@ static int finsh_compile(struct finsh_node* node)
         case FINSH_NODE_VALUE_NULL:
         case FINSH_NODE_VALUE_STRING:
             finsh_code_byte(FINSH_OP_LD_DWORD);
-            finsh_code_dword((u_long)node->value.ptr);
+            finsh_code_dword((uint32_t)node->value.ptr);
             break;
 
         /* arithmetic operation */
@@ -756,7 +756,7 @@ static int finsh_compile(struct finsh_node* node)
     return 0;
 }
 
-static int finsh_type_check(struct finsh_node* node, u_char is_addr)
+static int finsh_type_check(struct finsh_node* node, uint8_t is_addr)
 {
     if (node != NULL)
     {
diff --git a/components/finsh/finsh_error.c b/components/finsh/finsh_error.c
index 7ddab3f13b..2515c03e83 100644
--- a/components/finsh/finsh_error.c
+++ b/components/finsh/finsh_error.c
@@ -28,7 +28,7 @@
  */
 #include "finsh_error.h"
 
-u_char global_errno;
+uint8_t global_errno;
 
 static const char * finsh_error_string_table[] =
 {
@@ -56,19 +56,19 @@ int finsh_error_init()
 	return 0;
 }
 
-int finsh_error_set(u_char type)
+int finsh_error_set(uint8_t type)
 {
 	global_errno = type;
 
 	return 0;
 }
 
-u_char finsh_errno()
+uint8_t finsh_errno()
 {
 	return global_errno;
 }
 
-const char* finsh_error_string(u_char type)
+const char* finsh_error_string(uint8_t type)
 {
 	return finsh_error_string_table[type];
 }
diff --git a/components/finsh/finsh_error.h b/components/finsh/finsh_error.h
index 72bccfa9e7..bec5d85c27 100644
--- a/components/finsh/finsh_error.h
+++ b/components/finsh/finsh_error.h
@@ -34,9 +34,9 @@
 int finsh_error_init(void);
 
 /* get error number */
-u_char finsh_errno(void);
+uint8_t finsh_errno(void);
 
-int finsh_error_set(u_char type);
-const char* finsh_error_string(u_char type);
+int finsh_error_set(uint8_t type);
+const char* finsh_error_string(uint8_t type);
 
 #endif
diff --git a/components/finsh/finsh_heap.c b/components/finsh/finsh_heap.c
index 06274e79f7..28ca78bcfb 100644
--- a/components/finsh/finsh_heap.c
+++ b/components/finsh/finsh_heap.c
@@ -31,15 +31,15 @@
 #include "finsh_var.h"
 
 ALIGN(RT_ALIGN_SIZE)
-u_char finsh_heap[FINSH_HEAP_MAX];
+uint8_t finsh_heap[FINSH_HEAP_MAX];
 struct finsh_block_header
 {
-	u_long length;
+	uint32_t length;
 	struct finsh_block_header* next;
 };
 #define BLOCK_HEADER(x)                 (struct finsh_block_header*)(x)
-#define finsh_block_get_header(data)    (struct finsh_block_header*)((u_char*)data - sizeof(struct finsh_block_header))
-#define finsh_block_get_data(header)    (u_char*)((struct finsh_block_header*)header + 1)
+#define finsh_block_get_header(data)    (struct finsh_block_header*)((uint8_t*)data - sizeof(struct finsh_block_header))
+#define finsh_block_get_data(header)    (uint8_t*)((struct finsh_block_header*)header + 1)
 #define HEAP_ALIGN_SIZE(size)			(((size) + HEAP_ALIGNMENT - 1) & ~(HEAP_ALIGNMENT-1))
 
 static struct finsh_block_header* free_list;
@@ -237,7 +237,7 @@ void finsh_block_split(struct finsh_block_header* header, size_t size)
      * split header into two node:
      * header->next->...
      */
-    next = BLOCK_HEADER((u_char*)header + sizeof(struct finsh_block_header) + size);
+    next = BLOCK_HEADER((uint8_t*)header + sizeof(struct finsh_block_header) + size);
     next->length = header->length - sizeof(struct finsh_block_header) - size;
     header->length = size;
     next->next = header->next;
@@ -267,13 +267,13 @@ void finsh_block_merge(struct finsh_block_header** list, struct finsh_block_head
 
     /* merge to previous node */
     if (prev_node != NULL &&
-        ((u_char*)prev_node + prev_node->length + sizeof(struct finsh_block_header)
-        == (u_char*)header))
+        ((uint8_t*)prev_node + prev_node->length + sizeof(struct finsh_block_header)
+        == (uint8_t*)header))
     {
         /* is it close to next node? */
         if ((next_node != NULL) &&
-            ((u_char*)header + header->length + sizeof(struct finsh_block_header)
-            == (u_char*)next_node))
+            ((uint8_t*)header + header->length + sizeof(struct finsh_block_header)
+            == (uint8_t*)next_node))
         {
             /* merge three node */
         	prev_node->length += header->length + next_node->length +
@@ -289,8 +289,8 @@ void finsh_block_merge(struct finsh_block_header** list, struct finsh_block_head
     }
     else /* merge to last node */
     if ( (next_node != NULL) &&
-        ((u_char*)header + header->length + sizeof(struct finsh_block_header)
-        == (u_char*)next_node))
+        ((uint8_t*)header + header->length + sizeof(struct finsh_block_header)
+        == (uint8_t*)next_node))
     {
         header->length += next_node->length + sizeof(struct finsh_block_header);
         header->next = next_node->next;
diff --git a/components/finsh/finsh_node.c b/components/finsh/finsh_node.c
index 6935769413..184ac20d60 100644
--- a/components/finsh/finsh_node.c
+++ b/components/finsh/finsh_node.c
@@ -42,7 +42,7 @@ int finsh_node_init()
 	return 0;
 }
 
-struct finsh_node* finsh_node_allocate(u_char type)
+struct finsh_node* finsh_node_allocate(uint8_t type)
 {
 	int i;
 
@@ -181,7 +181,7 @@ struct finsh_node* finsh_node_new_string(char* s)
 	/* make string */
 	node->value.ptr = finsh_heap_allocate(strlen(s) + 1);
 	strncpy(node->value.ptr, s, strlen(s));
-	((u_char*)node->value.ptr)[strlen(s)] = '\0';
+	((uint8_t*)node->value.ptr)[strlen(s)] = '\0';
 
 	return node;
 }
diff --git a/components/finsh/finsh_node.h b/components/finsh/finsh_node.h
index 6dee856c83..722a368727 100644
--- a/components/finsh/finsh_node.h
+++ b/components/finsh/finsh_node.h
@@ -74,7 +74,7 @@
 
 int finsh_node_init(void);
 
-struct finsh_node* finsh_node_allocate(u_char type);
+struct finsh_node* finsh_node_allocate(uint8_t type);
 struct finsh_node* finsh_node_new_id(char* id);
 struct finsh_node* finsh_node_new_char(char c);
 struct finsh_node* finsh_node_new_int(int i);
diff --git a/components/finsh/finsh_parser.c b/components/finsh/finsh_parser.c
index ffa8ee0d9b..c937e42472 100644
--- a/components/finsh/finsh_parser.c
+++ b/components/finsh/finsh_parser.c
@@ -61,7 +61,7 @@ static struct finsh_node* proc_postfix_expr(struct finsh_parser* self);
 static struct finsh_node* proc_primary_expr(struct finsh_parser* self);
 static struct finsh_node* proc_param_list(struct finsh_parser* self);
 static struct finsh_node* proc_expr_statement(struct finsh_parser* self);
-static struct finsh_node* make_sys_node(u_char type, struct finsh_node* node1,
+static struct finsh_node* make_sys_node(uint8_t type, struct finsh_node* node1,
 	struct finsh_node* node2);
 
 /* check token */
@@ -894,7 +894,7 @@ node1__
        \
        node2
 */
-static struct finsh_node* make_sys_node(u_char type, struct finsh_node* node1, struct finsh_node* node2)
+static struct finsh_node* make_sys_node(uint8_t type, struct finsh_node* node1, struct finsh_node* node2)
 {
 	struct finsh_node* node;
 
@@ -913,7 +913,7 @@ static struct finsh_node* make_sys_node(u_char type, struct finsh_node* node1, s
 /*
 start -> statement_expr | decl_variable
 */
-void finsh_parser_run(struct finsh_parser* self, const u_char* string)
+void finsh_parser_run(struct finsh_parser* self, const uint8_t* string)
 {
 	enum finsh_token_type token;
 	struct finsh_node *node;
@@ -921,7 +921,7 @@ void finsh_parser_run(struct finsh_parser* self, const u_char* string)
     node = NULL;
 
 	/* init parser */
-	self->parser_string = (u_char*)string;
+	self->parser_string = (uint8_t*)string;
 
 	/* init token */
 	finsh_token_init(&(self->token), self->parser_string);
diff --git a/components/finsh/finsh_parser.h b/components/finsh/finsh_parser.h
index 5f3e95b119..00d440ae5f 100644
--- a/components/finsh/finsh_parser.h
+++ b/components/finsh/finsh_parser.h
@@ -32,6 +32,6 @@
 #include <finsh.h>
 
 int finsh_parser_init(struct finsh_parser* self);
-void finsh_parser_run(struct finsh_parser* self, const u_char* string);
+void finsh_parser_run(struct finsh_parser* self, const uint8_t* string);
 
 #endif
diff --git a/components/finsh/finsh_token.c b/components/finsh/finsh_token.c
index 799553cd68..8b51c99941 100644
--- a/components/finsh/finsh_token.c
+++ b/components/finsh/finsh_token.c
@@ -66,12 +66,12 @@ static long token_spec_number(char* string, int length, int b);
 static void token_run(struct finsh_token* self);
 static int  token_match_name(struct finsh_token* self, const char* str);
 static void token_proc_number(struct finsh_token* self);
-static u_char* token_proc_string(struct finsh_token* self);
+static uint8_t* token_proc_string(struct finsh_token* self);
 static void token_trim_space(struct finsh_token* self);
 static char token_proc_char(struct finsh_token* self);
 static int token_proc_escape(struct finsh_token* self);
 
-void finsh_token_init(struct finsh_token* self, u_char* line)
+void finsh_token_init(struct finsh_token* self, uint8_t* line)
 {
 	memset(self, 0, sizeof(struct finsh_token));
 
@@ -86,12 +86,12 @@ enum finsh_token_type finsh_token_token(struct finsh_token* self)
 	return (enum finsh_token_type)self->current_token;
 }
 
-void finsh_token_get_token(struct finsh_token* self, u_char* token)
+void finsh_token_get_token(struct finsh_token* self, uint8_t* token)
 {
 	strncpy((char*)token, (char*)self->string, FINSH_NAME_MAX);
 }
 
-int token_get_string(struct finsh_token* self, u_char* str)
+int token_get_string(struct finsh_token* self, uint8_t* str)
 {
 	unsigned char *p=str;
 	char ch;
@@ -382,9 +382,9 @@ static char token_proc_char(struct finsh_token* self)
 	return ch;
 }
 
-static u_char* token_proc_string(struct finsh_token* self)
+static uint8_t* token_proc_string(struct finsh_token* self)
 {
-	u_char* p;
+	uint8_t* p;
 
 	for ( p = &self->string[0]; p - &(self->string[0]) < FINSH_STRING_MAX; )
 	{
diff --git a/components/finsh/finsh_token.h b/components/finsh/finsh_token.h
index 4b84521874..57c002c3fb 100644
--- a/components/finsh/finsh_token.h
+++ b/components/finsh/finsh_token.h
@@ -74,9 +74,9 @@ enum finsh_token_type
 #define finsh_token_position(self) (self)->position
 #define finsh_token_replay(self) (self)->replay = 1
 
-void finsh_token_init(struct finsh_token* self, u_char* script);
+void finsh_token_init(struct finsh_token* self, uint8_t* script);
 
 enum finsh_token_type finsh_token_token(struct finsh_token* self);
-void finsh_token_get_token(struct finsh_token* self, u_char* token);
+void finsh_token_get_token(struct finsh_token* self, uint8_t* token);
 
 #endif
diff --git a/components/finsh/finsh_var.c b/components/finsh/finsh_var.c
index 6d6b9ec931..86a97559f1 100644
--- a/components/finsh/finsh_var.c
+++ b/components/finsh/finsh_var.c
@@ -104,7 +104,7 @@ struct finsh_var* finsh_var_lookup(const char* name)
 }
 
 #ifdef RT_USING_HEAP
-void finsh_sysvar_append(const char* name, u_char type, void* var_addr)
+void finsh_sysvar_append(const char* name, uint8_t type, void* var_addr)
 {
 	/* create a sysvar */
 	struct finsh_sysvar_item* item;
diff --git a/components/finsh/finsh_var.h b/components/finsh/finsh_var.h
index 3d10b9d7e0..d3b88fa53e 100644
--- a/components/finsh/finsh_var.h
+++ b/components/finsh/finsh_var.h
@@ -39,7 +39,7 @@ struct finsh_var
 {
 	char name[FINSH_NAME_MAX + 1];	/* the name of variable */
 
-	u_char type;					/* the type of variable */
+	uint8_t type;					/* the type of variable */
 
 	/* variable value */
 	union {
diff --git a/components/finsh/finsh_vm.c b/components/finsh/finsh_vm.c
index 8ed6179273..49b1a3194b 100644
--- a/components/finsh/finsh_vm.c
+++ b/components/finsh/finsh_vm.c
@@ -35,10 +35,10 @@
 /* stack */
 union finsh_value	finsh_vm_stack[FINSH_STACK_MAX];
 /* text segment */
-u_char				text_segment[FINSH_TEXT_MAX];
+uint8_t				text_segment[FINSH_TEXT_MAX];
 
 union finsh_value*	finsh_sp;		/* stack pointer */
-u_char*				finsh_pc;		/* PC */
+uint8_t*			finsh_pc;		/* PC */
 
 /* syscall list, for dynamic system call register */
 struct finsh_syscall_item* global_syscall_list = NULL;
@@ -46,7 +46,7 @@ struct finsh_syscall_item* global_syscall_list = NULL;
 // #define FINSH_VM_DISASSEMBLE
 void finsh_vm_run()
 {
-	u_char op;
+	uint8_t op;
 
 	/* if you want to disassemble the byte code, please define FINSH_VM_DISASSEMBLE */
 #ifdef FINSH_VM_DISASSEMBLE
@@ -148,7 +148,7 @@ struct finsh_syscall* finsh_syscall_lookup(const char* name)
 #ifdef FINSH_VM_DISASSEMBLE
 void finsh_disassemble()
 {
-	u_char *pc, op;
+	uint8_t *pc, op;
 
 	pc = &text_segment[0];
 	while (*pc != 0)
diff --git a/components/finsh/finsh_vm.h b/components/finsh/finsh_vm.h
index 6291ea9cc7..2401f7fe4a 100644
--- a/components/finsh/finsh_vm.h
+++ b/components/finsh/finsh_vm.h
@@ -41,12 +41,12 @@ union finsh_value {
 };
 
 extern union finsh_value*	finsh_sp;		/* stack pointer */
-extern u_char*				finsh_pc;		/* PC */
+extern uint8_t*				finsh_pc;		/* PC */
 
 /* stack */
 extern union finsh_value	finsh_vm_stack[FINSH_STACK_MAX];
 /* text segment */
-extern u_char				text_segment[FINSH_TEXT_MAX];
+extern uint8_t				text_segment[FINSH_TEXT_MAX];
 
 void finsh_vm_run(void);
 //void finsh_disassemble(void);
diff --git a/components/finsh/shell.c b/components/finsh/shell.c
index 2d157be3bd..3a1b66fd3f 100644
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@@ -82,6 +82,23 @@ const char *finsh_get_prompt()
 }
 #endif
 
+static char finsh_getchar(void)
+{
+    RT_ASSERT(shell != RT_NULL);
+
+#ifdef RT_USING_DFS
+    return getchar();
+#else
+    char ch;
+
+    while (rt_device_read(shell->device, -1, &ch, 1) != 1)
+        rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER);
+
+    return ch;
+#endif
+}
+
+#ifndef RT_USING_DFS
 static rt_err_t finsh_rx_ind(rt_device_t dev, rt_size_t size)
 {
     RT_ASSERT(shell != RT_NULL);
@@ -145,6 +162,7 @@ const char *finsh_get_device()
     RT_ASSERT(shell != RT_NULL);
     return shell->device->parent.name;
 }
+#endif
 
 /**
  * @ingroup finsh
@@ -219,15 +237,14 @@ static void finsh_wait_auth(void)
     
     while (1)
     {
-        rt_kprintf("Password for finsh: ");
+        rt_kprintf("Password for login: ");
         while (!input_finish)
         {
-            /* wait receive */
-            if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
-
-            /* read one character from device */
-            while (rt_device_read(shell->device, 0, &ch, 1) == 1)
+            while (1)
             {
+                /* read one character from device */
+                ch = finsh_getchar();
+
                 if (ch >= ' ' && ch <= '~' && cur_pos < FINSH_PASSWORD_MAX)
                 {
                     /* change the printable characters to '*' */
@@ -258,8 +275,6 @@ static void finsh_wait_auth(void)
             cur_pos = 0;
             input_finish = RT_FALSE;
             rt_memset(password, '\0', FINSH_PASSWORD_MAX);
-            /* read all last dirty data */
-            while (rt_device_read(shell->device, 0, &ch, 1) == 1);
         }
     }
 }
@@ -397,18 +412,17 @@ void finsh_thread_entry(void *parameter)
     finsh_init(&shell->parser);
 #endif
 
+#ifndef RT_USING_DFS
     /* set console device as shell device */
     if (shell->device == RT_NULL)
     {
-#ifdef RT_USING_CONSOLE
-        shell->device = rt_console_get_device();
-        RT_ASSERT(shell->device);
-        rt_device_set_rx_indicate(shell->device, finsh_rx_ind);
-        rt_device_open(shell->device, (RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX));
-#else
-        RT_ASSERT(shell->device);
-#endif
+        rt_device_t console = rt_console_get_device();
+        if (console)
+        {
+            finsh_set_device(console->parent.name);
+        }
     }
+#endif
 
 #ifdef FINSH_USING_AUTH
     /* set the default password when the password isn't setting */
@@ -427,235 +441,219 @@ void finsh_thread_entry(void *parameter)
 
     while (1)
     {
-        /* wait receive */
-        if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
+        ch = finsh_getchar();
 
-        /* read one character from device */
-        while (rt_device_read(shell->device, 0, &ch, 1) == 1)
+        /*
+         * handle control key
+         * up key  : 0x1b 0x5b 0x41
+         * down key: 0x1b 0x5b 0x42
+         * right key:0x1b 0x5b 0x43
+         * left key: 0x1b 0x5b 0x44
+         */
+        if (ch == 0x1b)
+        {
+            shell->stat = WAIT_SPEC_KEY;
+            continue;
+        }
+        else if (shell->stat == WAIT_SPEC_KEY)
         {
-            /*
-             * handle control key
-             * up key  : 0x1b 0x5b 0x41
-             * down key: 0x1b 0x5b 0x42
-             * right key:0x1b 0x5b 0x43
-             * left key: 0x1b 0x5b 0x44
-             */
-            if (ch == 0x1b)
+            if (ch == 0x5b)
             {
-                shell->stat = WAIT_SPEC_KEY;
+                shell->stat = WAIT_FUNC_KEY;
                 continue;
             }
-            else if (shell->stat == WAIT_SPEC_KEY)
+
+            shell->stat = WAIT_NORMAL;
+        }
+        else if (shell->stat == WAIT_FUNC_KEY)
+        {
+            shell->stat = WAIT_NORMAL;
+
+            if (ch == 0x41) /* up key */
             {
-                if (ch == 0x5b)
+#ifdef FINSH_USING_HISTORY
+                /* prev history */
+                if (shell->current_history > 0)
+                    shell->current_history --;
+                else
                 {
-                    shell->stat = WAIT_FUNC_KEY;
+                    shell->current_history = 0;
                     continue;
                 }
 
-                shell->stat = WAIT_NORMAL;
+                /* copy the history command */
+                memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
+                       FINSH_CMD_SIZE);
+                shell->line_curpos = shell->line_position = strlen(shell->line);
+                shell_handle_history(shell);
+#endif
+                continue;
             }
-            else if (shell->stat == WAIT_FUNC_KEY)
+            else if (ch == 0x42) /* down key */
             {
-                shell->stat = WAIT_NORMAL;
-
-                if (ch == 0x41) /* up key */
-                {
 #ifdef FINSH_USING_HISTORY
-                    /* prev history */
-                    if (shell->current_history > 0)
-                        shell->current_history --;
+                /* next history */
+                if (shell->current_history < shell->history_count - 1)
+                    shell->current_history ++;
+                else
+                {
+                    /* set to the end of history */
+                    if (shell->history_count != 0)
+                        shell->current_history = shell->history_count - 1;
                     else
-                    {
-                        shell->current_history = 0;
                         continue;
-                    }
-
-                    /* copy the history command */
-                    memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
-                           FINSH_CMD_SIZE);
-                    shell->line_curpos = shell->line_position = strlen(shell->line);
-                    shell_handle_history(shell);
-#endif
-                    continue;
                 }
-                else if (ch == 0x42) /* down key */
-                {
-#ifdef FINSH_USING_HISTORY
-                    /* next history */
-                    if (shell->current_history < shell->history_count - 1)
-                        shell->current_history ++;
-                    else
-                    {
-                        /* set to the end of history */
-                        if (shell->history_count != 0)
-                            shell->current_history = shell->history_count - 1;
-                        else
-                            continue;
-                    }
 
-                    memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
-                           FINSH_CMD_SIZE);
-                    shell->line_curpos = shell->line_position = strlen(shell->line);
-                    shell_handle_history(shell);
+                memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
+                       FINSH_CMD_SIZE);
+                shell->line_curpos = shell->line_position = strlen(shell->line);
+                shell_handle_history(shell);
 #endif
-                    continue;
-                }
-                else if (ch == 0x44) /* left key */
-                {
-                    if (shell->line_curpos)
-                    {
-                        rt_kprintf("\b");
-                        shell->line_curpos --;
-                    }
-
-                    continue;
-                }
-                else if (ch == 0x43) /* right key */
+                continue;
+            }
+            else if (ch == 0x44) /* left key */
+            {
+                if (shell->line_curpos)
                 {
-                    if (shell->line_curpos < shell->line_position)
-                    {
-                        rt_kprintf("%c", shell->line[shell->line_curpos]);
-                        shell->line_curpos ++;
-                    }
-
-                    continue;
+                    rt_kprintf("\b");
+                    shell->line_curpos --;
                 }
 
+                continue;
             }
-
-            /* handle CR key */
-            if (ch == '\r')
+            else if (ch == 0x43) /* right key */
             {
-                char next;
-
-                if (rt_device_read(shell->device, 0, &next, 1) == 1)
+                if (shell->line_curpos < shell->line_position)
                 {
-                    if (next == '\0') ch = '\r'; /* linux telnet will issue '\0' */
-                    else ch = next;
+                    rt_kprintf("%c", shell->line[shell->line_curpos]);
+                    shell->line_curpos ++;
                 }
-                else ch = '\r';
-            }
-            /* handle tab key */
-            else if (ch == '\t')
-            {
-                int i;
-                /* move the cursor to the beginning of line */
-                for (i = 0; i < shell->line_curpos; i++)
-                    rt_kprintf("\b");
-
-                /* auto complete */
-                shell_auto_complete(&shell->line[0]);
-                /* re-calculate position */
-                shell->line_curpos = shell->line_position = strlen(shell->line);
 
                 continue;
             }
-            /* handle backspace key */
-            else if (ch == 0x7f || ch == 0x08)
-            {
-                /* note that shell->line_curpos >= 0 */
-                if (shell->line_curpos == 0)
-                    continue;
+        }
 
-                shell->line_position--;
-                shell->line_curpos--;
+        /* handle CR key */
+        if (ch == '\0') continue;
+        /* handle tab key */
+        else if (ch == '\t')
+        {
+            int i;
+            /* move the cursor to the beginning of line */
+            for (i = 0; i < shell->line_curpos; i++)
+                rt_kprintf("\b");
 
-                if (shell->line_position > shell->line_curpos)
-                {
-                    int i;
+            /* auto complete */
+            shell_auto_complete(&shell->line[0]);
+            /* re-calculate position */
+            shell->line_curpos = shell->line_position = strlen(shell->line);
 
-                    rt_memmove(&shell->line[shell->line_curpos],
-                               &shell->line[shell->line_curpos + 1],
-                               shell->line_position - shell->line_curpos);
-                    shell->line[shell->line_position] = 0;
+            continue;
+        }
+        /* handle backspace key */
+        else if (ch == 0x7f || ch == 0x08)
+        {
+            /* note that shell->line_curpos >= 0 */
+            if (shell->line_curpos == 0)
+                continue;
 
-                    rt_kprintf("\b%s  \b", &shell->line[shell->line_curpos]);
+            shell->line_position--;
+            shell->line_curpos--;
 
-                    /* move the cursor to the origin position */
-                    for (i = shell->line_curpos; i <= shell->line_position; i++)
-                        rt_kprintf("\b");
-                }
-                else
-                {
-                    rt_kprintf("\b \b");
-                    shell->line[shell->line_position] = 0;
-                }
+            if (shell->line_position > shell->line_curpos)
+            {
+                int i;
 
-                continue;
-            }
+                rt_memmove(&shell->line[shell->line_curpos],
+                           &shell->line[shell->line_curpos + 1],
+                           shell->line_position - shell->line_curpos);
+                shell->line[shell->line_position] = 0;
+
+                rt_kprintf("\b%s  \b", &shell->line[shell->line_curpos]);
 
-            /* handle end of line, break */
-            if (ch == '\r' || ch == '\n')
+                /* move the cursor to the origin position */
+                for (i = shell->line_curpos; i <= shell->line_position; i++)
+                    rt_kprintf("\b");
+            }
+            else
             {
+                rt_kprintf("\b \b");
+                shell->line[shell->line_position] = 0;
+            }
+
+            continue;
+        }
+
+        /* handle end of line, break */
+        if (ch == '\r' || ch == '\n')
+        {
 #ifdef FINSH_USING_HISTORY
-                shell_push_history(shell);
+            shell_push_history(shell);
 #endif
 
 #ifdef FINSH_USING_MSH
-                if (msh_is_used() == RT_TRUE)
-                {
-                    if (shell->echo_mode)
-                        rt_kprintf("\n");
-                    msh_exec(shell->line, shell->line_position);
-                }
-                else
+            if (msh_is_used() == RT_TRUE)
+            {
+                if (shell->echo_mode)
+                    rt_kprintf("\n");
+                msh_exec(shell->line, shell->line_position);
+            }
+            else
 #endif
-                {
+            {
 #ifndef FINSH_USING_MSH_ONLY
-                    /* add ';' and run the command line */
-                    shell->line[shell->line_position] = ';';
+                /* add ';' and run the command line */
+                shell->line[shell->line_position] = ';';
 
-                    if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
-                    else
-                        if (shell->echo_mode) rt_kprintf("\n");
+                if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
+                else
+                    if (shell->echo_mode) rt_kprintf("\n");
 #endif
-                }
-
-                rt_kprintf(FINSH_PROMPT);
-                memset(shell->line, 0, sizeof(shell->line));
-                shell->line_curpos = shell->line_position = 0;
-                break;
             }
 
-            /* it's a large line, discard it */
-            if (shell->line_position >= FINSH_CMD_SIZE)
-                shell->line_position = 0;
+            rt_kprintf(FINSH_PROMPT);
+            memset(shell->line, 0, sizeof(shell->line));
+            shell->line_curpos = shell->line_position = 0;
+            continue;
+        }
 
-            /* normal character */
-            if (shell->line_curpos < shell->line_position)
-            {
-                int i;
+        /* it's a large line, discard it */
+        if (shell->line_position >= FINSH_CMD_SIZE)
+            shell->line_position = 0;
 
-                rt_memmove(&shell->line[shell->line_curpos + 1],
-                           &shell->line[shell->line_curpos],
-                           shell->line_position - shell->line_curpos);
-                shell->line[shell->line_curpos] = ch;
-                if (shell->echo_mode)
-                    rt_kprintf("%s", &shell->line[shell->line_curpos]);
+        /* normal character */
+        if (shell->line_curpos < shell->line_position)
+        {
+            int i;
 
-                /* move the cursor to new position */
-                for (i = shell->line_curpos; i < shell->line_position; i++)
-                    rt_kprintf("\b");
-            }
-            else
-            {
-                shell->line[shell->line_position] = ch;
-                if (shell->echo_mode)
-                    rt_kprintf("%c", ch);
-            }
+            rt_memmove(&shell->line[shell->line_curpos + 1],
+                       &shell->line[shell->line_curpos],
+                       shell->line_position - shell->line_curpos);
+            shell->line[shell->line_curpos] = ch;
+            if (shell->echo_mode)
+                rt_kprintf("%s", &shell->line[shell->line_curpos]);
 
-            ch = 0;
-            shell->line_position ++;
-            shell->line_curpos++;
-            if (shell->line_position >= FINSH_CMD_SIZE)
-            {
-                /* clear command line */
-                shell->line_position = 0;
-                shell->line_curpos = 0;
-            }
-        } /* end of device read */
-    }
+            /* move the cursor to new position */
+            for (i = shell->line_curpos; i < shell->line_position; i++)
+                rt_kprintf("\b");
+        }
+        else
+        {
+            shell->line[shell->line_position] = ch;
+            if (shell->echo_mode)
+                rt_kprintf("%c", ch);
+        }
+
+        ch = 0;
+        shell->line_position ++;
+        shell->line_curpos++;
+        if (shell->line_position >= FINSH_CMD_SIZE)
+        {
+            /* clear command line */
+            shell->line_position = 0;
+            shell->line_curpos = 0;
+        }
+    } /* end of device read */
 }
 
 void finsh_system_function_init(const void *begin, const void *end)
@@ -779,5 +777,5 @@ int finsh_system_init(void)
         rt_thread_startup(&finsh_thread);
     return 0;
 }
-INIT_COMPONENT_EXPORT(finsh_system_init);
+INIT_APP_EXPORT(finsh_system_init);
 
diff --git a/components/finsh/shell.h b/components/finsh/shell.h
index a4c96b9a26..71bda9809c 100644
--- a/components/finsh/shell.h
+++ b/components/finsh/shell.h
@@ -33,15 +33,8 @@
 #include <rtthread.h>
 #include "finsh.h"
 
-/* For historical reasons, users don't define FINSH_USING_HISTORY in rtconfig.h
- * but expect the history feature. So you sould define FINSH_USING_HISTORY to 0
- * to disable it from the rtconfig.h. */
-#ifdef FINSH_USING_HISTORY
-#    if FINSH_USING_HISTORY == 0
-#        undef FINSH_USING_HISTORY
-#    endif
-#else
-#    define FINSH_USING_HISTORY
+#ifndef FINSH_USING_HISTORY
+#define FINSH_USING_HISTORY
 #endif
 
 #ifndef FINSH_THREAD_PRIORITY
@@ -109,7 +102,9 @@ struct finsh_shell
 	rt_uint8_t line_position;
 	rt_uint8_t line_curpos;
 
+#ifndef RT_USING_DFS
 	rt_device_t device;
+#endif
 
 #ifdef FINSH_USING_AUTH
 	char password[FINSH_PASSWORD_MAX];