830 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			830 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*
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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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 * 2006-04-30     Bernard      the first version for FinSH
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 * 2006-05-08     Bernard      change finsh thread stack to 2048
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 * 2006-06-03     Bernard      add support for skyeye
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 * 2006-09-24     Bernard      remove the code related with hardware
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 * 2010-01-18     Bernard      fix down then up key bug.
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 * 2010-03-19     Bernard      fix backspace issue and fix device read in shell.
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 * 2010-04-01     Bernard      add prompt output when start and remove the empty history
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 * 2011-02-23     Bernard      fix variable section end issue of finsh shell
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 *                             initialization when use GNU GCC compiler.
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 * 2016-11-26     armink       add password authentication
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 * 2018-07-02     aozima       add custom prompt support.
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 */
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#include <rthw.h>
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#include <string.h>
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#include <stdio.h>
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#ifdef RT_USING_FINSH
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#include "shell.h"
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#include "msh.h"
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#ifdef DFS_USING_POSIX
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#include <unistd.h>
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#include <fcntl.h>
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#endif /* DFS_USING_POSIX */
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/* finsh thread */
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#ifndef RT_USING_HEAP
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    static struct rt_thread finsh_thread;
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    rt_align(RT_ALIGN_SIZE)
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    static char finsh_thread_stack[FINSH_THREAD_STACK_SIZE];
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    struct finsh_shell _shell;
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#endif
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/* finsh symtab */
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#ifdef FINSH_USING_SYMTAB
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    struct finsh_syscall *_syscall_table_begin  = NULL;
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    struct finsh_syscall *_syscall_table_end    = NULL;
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#endif
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struct finsh_shell *shell;
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static char *finsh_prompt_custom = RT_NULL;
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#if defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__))
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struct finsh_syscall *finsh_syscall_next(struct finsh_syscall *call)
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{
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    unsigned int *ptr;
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    ptr = (unsigned int *)(call + 1);
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    while ((*ptr == 0) && ((unsigned int *)ptr < (unsigned int *) _syscall_table_end))
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        ptr ++;
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    return (struct finsh_syscall *)ptr;
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}
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#endif /* defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__)) */
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#ifdef RT_USING_HEAP
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int finsh_set_prompt(const char *prompt)
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{
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    if (finsh_prompt_custom)
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    {
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        rt_free(finsh_prompt_custom);
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        finsh_prompt_custom = RT_NULL;
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    }
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    /* strdup */
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    if (prompt)
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    {
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        finsh_prompt_custom = (char *)rt_malloc(strlen(prompt) + 1);
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        if (finsh_prompt_custom)
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        {
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            strcpy(finsh_prompt_custom, prompt);
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        }
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    }
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    return 0;
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}
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#endif /* RT_USING_HEAP */
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#define _MSH_PROMPT "msh "
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const char *finsh_get_prompt(void)
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{
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    static char finsh_prompt[RT_CONSOLEBUF_SIZE + 1] = {0};
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    /* check prompt mode */
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    if (!shell->prompt_mode)
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    {
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        finsh_prompt[0] = '\0';
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        return finsh_prompt;
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    }
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    if (finsh_prompt_custom)
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    {
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        strncpy(finsh_prompt, finsh_prompt_custom, sizeof(finsh_prompt) - 1);
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    }
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    else
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    {
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        strcpy(finsh_prompt, _MSH_PROMPT);
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    }
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#if defined(DFS_USING_POSIX) && defined(DFS_USING_WORKDIR)
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    /* get current working directory */
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    getcwd(&finsh_prompt[rt_strlen(finsh_prompt)], RT_CONSOLEBUF_SIZE - rt_strlen(finsh_prompt));
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#endif
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    if (rt_strlen(finsh_prompt) + 2 < RT_CONSOLEBUF_SIZE)
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    {
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        finsh_prompt[rt_strlen(finsh_prompt)] = '>';
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        finsh_prompt[rt_strlen(finsh_prompt) + 1] = '\0';
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    }
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    return finsh_prompt;
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}
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/**
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 * @ingroup finsh
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 *
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 * This function get the prompt mode of finsh shell.
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 *
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 * @return prompt the prompt mode, 0 disable prompt mode, other values enable prompt mode.
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 */
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rt_uint32_t finsh_get_prompt_mode(void)
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{
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    RT_ASSERT(shell != RT_NULL);
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    return shell->prompt_mode;
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}
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/**
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 * @ingroup finsh
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 *
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 * This function set the prompt mode of finsh shell.
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 *
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 * The parameter 0 disable prompt mode, other values enable prompt mode.
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 *
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 * @param prompt_mode the prompt mode
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 */
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void finsh_set_prompt_mode(rt_uint32_t prompt_mode)
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{
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    RT_ASSERT(shell != RT_NULL);
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    shell->prompt_mode = prompt_mode;
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}
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int finsh_getchar(void)
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{
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#ifdef RT_USING_DEVICE
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    char ch = 0;
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#ifdef RT_USING_POSIX_STDIO
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    if(read(STDIN_FILENO, &ch, 1) > 0)
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    {
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        return ch;
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    }
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    else
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    {
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        return -1; /* EOF */
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    }
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#else
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    rt_device_t device;
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    RT_ASSERT(shell != RT_NULL);
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    device = shell->device;
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    if (device == RT_NULL)
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    {
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        return -1; /* EOF */
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    }
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    while (rt_device_read(device, -1, &ch, 1) != 1)
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    {
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        rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER);
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        if (shell->device != device)
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        {
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            device = shell->device;
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            if (device == RT_NULL)
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            {
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                return -1;
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            }
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        }
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    }
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    return ch;
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#endif /* RT_USING_POSIX_STDIO */
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#else
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    extern char rt_hw_console_getchar(void);
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    return rt_hw_console_getchar();
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#endif /* RT_USING_DEVICE */
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}
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#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
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static rt_err_t finsh_rx_ind(rt_device_t dev, rt_size_t size)
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{
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    RT_ASSERT(shell != RT_NULL);
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    /* release semaphore to let finsh thread rx data */
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    rt_sem_release(&shell->rx_sem);
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    return RT_EOK;
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}
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/**
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 * @ingroup finsh
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 *
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 * This function sets the input device of finsh shell.
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 *
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 * @param device_name the name of new input device.
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 */
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void finsh_set_device(const char *device_name)
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{
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    rt_device_t dev = RT_NULL;
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    RT_ASSERT(shell != RT_NULL);
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    dev = rt_device_find(device_name);
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    if (dev == RT_NULL)
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    {
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        rt_kprintf("finsh: can not find device: %s\n", device_name);
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        return;
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    }
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    /* check whether it's a same device */
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    if (dev == shell->device) return;
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    /* open this device and set the new device in finsh shell */
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    if (rt_device_open(dev, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX | \
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                       RT_DEVICE_FLAG_STREAM) == RT_EOK)
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    {
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        if (shell->device != RT_NULL)
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        {
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            /* close old finsh device */
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            rt_device_close(shell->device);
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            rt_device_set_rx_indicate(shell->device, RT_NULL);
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        }
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        /* clear line buffer before switch to new device */
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        rt_memset(shell->line, 0, sizeof(shell->line));
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        shell->line_curpos = shell->line_position = 0;
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        shell->device = dev;
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        rt_device_set_rx_indicate(dev, finsh_rx_ind);
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    }
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}
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/**
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 * @ingroup finsh
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 *
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 * This function returns current finsh shell input device.
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 *
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 * @return the finsh shell input device name is returned.
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 */
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const char *finsh_get_device()
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{
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    RT_ASSERT(shell != RT_NULL);
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    return shell->device->parent.name;
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}
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#endif /* !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE) */
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/**
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 * @ingroup finsh
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 *
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 * This function set the echo mode of finsh shell.
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 *
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 * FINSH_OPTION_ECHO=0x01 is echo mode, other values are none-echo mode.
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 *
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 * @param echo the echo mode
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 */
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void finsh_set_echo(rt_uint32_t echo)
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{
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    RT_ASSERT(shell != RT_NULL);
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    shell->echo_mode = (rt_uint8_t)echo;
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}
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/**
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 * @ingroup finsh
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 *
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 * This function gets the echo mode of finsh shell.
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 *
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 * @return the echo mode
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 */
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rt_uint32_t finsh_get_echo()
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{
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    RT_ASSERT(shell != RT_NULL);
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    return shell->echo_mode;
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}
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#ifdef FINSH_USING_AUTH
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/**
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 * set a new password for finsh
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 *
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 * @param password new password
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 *
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 * @return result, RT_EOK on OK, -RT_ERROR on the new password length is less than
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 *  FINSH_PASSWORD_MIN or greater than FINSH_PASSWORD_MAX
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 */
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rt_err_t finsh_set_password(const char *password)
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{
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    rt_base_t level;
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    rt_size_t pw_len = rt_strlen(password);
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    if (pw_len < FINSH_PASSWORD_MIN || pw_len > FINSH_PASSWORD_MAX)
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        return -RT_ERROR;
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    level = rt_hw_interrupt_disable();
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    rt_strncpy(shell->password, password, FINSH_PASSWORD_MAX);
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    rt_hw_interrupt_enable(level);
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    return RT_EOK;
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}
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/**
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 * get the finsh password
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 *
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 * @return password
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 */
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const char *finsh_get_password(void)
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{
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    return shell->password;
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}
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static void finsh_wait_auth(void)
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{
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    int ch;
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    rt_bool_t input_finish = RT_FALSE;
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    char password[FINSH_PASSWORD_MAX] = { 0 };
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    rt_size_t cur_pos = 0;
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    /* password not set */
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    if (rt_strlen(finsh_get_password()) == 0) return;
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    while (1)
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    {
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        rt_kprintf("Password for login: ");
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        while (!input_finish)
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        {
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            while (1)
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            {
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                /* read one character from device */
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                ch = (int)finsh_getchar();
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                if (ch < 0)
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                {
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                    continue;
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                }
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                if (ch >= ' ' && ch <= '~' && cur_pos < FINSH_PASSWORD_MAX)
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                {
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                    /* change the printable characters to '*' */
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                    rt_kprintf("*");
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                    password[cur_pos++] = ch;
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                }
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                else if (ch == '\b' && cur_pos > 0)
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                {
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                    /* backspace */
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                    cur_pos--;
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                    password[cur_pos] = '\0';
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                    rt_kprintf("\b \b");
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                }
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                else if (ch == '\r' || ch == '\n')
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                {
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                    rt_kprintf("\n");
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                    input_finish = RT_TRUE;
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                    break;
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                }
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            }
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        }
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        if (!rt_strncmp(shell->password, password, FINSH_PASSWORD_MAX)) return;
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        else
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        {
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            /* authentication failed, delay 2S for retry */
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            rt_thread_delay(2 * RT_TICK_PER_SECOND);
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            rt_kprintf("Sorry, try again.\n");
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            cur_pos = 0;
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            input_finish = RT_FALSE;
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            rt_memset(password, '\0', FINSH_PASSWORD_MAX);
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        }
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    }
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}
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#endif /* FINSH_USING_AUTH */
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static void shell_auto_complete(char *prefix)
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{
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    rt_kprintf("\n");
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    msh_auto_complete(prefix);
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#ifdef FINSH_USING_OPTION_COMPLETION
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    msh_opt_auto_complete(prefix);
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#endif
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    rt_kprintf("%s%s", FINSH_PROMPT, prefix);
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}
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#ifdef FINSH_USING_HISTORY
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static rt_bool_t shell_handle_history(struct finsh_shell *shell)
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{
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#if defined(_WIN32)
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    int i;
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    rt_kprintf("\r");
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    for (i = 0; i <= 60; i++)
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        putchar(' ');
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    rt_kprintf("\r");
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#else
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    rt_kprintf("\033[2K\r");
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#endif
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    rt_kprintf("%s%s", FINSH_PROMPT, shell->line);
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    return RT_FALSE;
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}
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static void shell_push_history(struct finsh_shell *shell)
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{
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    if (shell->line_position != 0)
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    {
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        /* push history */
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        if (shell->history_count >= FINSH_HISTORY_LINES)
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        {
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            /* if current cmd is same as last cmd, don't push */
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            if (memcmp(&shell->cmd_history[FINSH_HISTORY_LINES - 1], shell->line, FINSH_CMD_SIZE))
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            {
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                /* move history */
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                int index;
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                for (index = 0; index < FINSH_HISTORY_LINES - 1; index ++)
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                {
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                    rt_memcpy(&shell->cmd_history[index][0],
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                           &shell->cmd_history[index + 1][0], FINSH_CMD_SIZE);
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                }
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                rt_memset(&shell->cmd_history[index][0], 0, FINSH_CMD_SIZE);
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                rt_memcpy(&shell->cmd_history[index][0], shell->line, shell->line_position);
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                /* it's the maximum history */
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                shell->history_count = FINSH_HISTORY_LINES;
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            }
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        }
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        else
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        {
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            /* if current cmd is same as last cmd, don't push */
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            if (shell->history_count == 0 || memcmp(&shell->cmd_history[shell->history_count - 1], shell->line, FINSH_CMD_SIZE))
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            {
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                shell->current_history = shell->history_count;
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                rt_memset(&shell->cmd_history[shell->history_count][0], 0, FINSH_CMD_SIZE);
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                rt_memcpy(&shell->cmd_history[shell->history_count][0], shell->line, shell->line_position);
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                /* increase count and set current history position */
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                shell->history_count ++;
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            }
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        }
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    }
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    shell->current_history = shell->history_count;
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}
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#endif
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#ifdef RT_USING_HOOK
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static void (*_finsh_thread_entry_hook)(void);
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/**
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 * @ingroup finsh
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 *
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 * @brief This function set a hook function at the entry of finsh thread
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 *
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 * @param hook the function point to be called
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 */
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void finsh_thread_entry_sethook(void (*hook)(void))
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{
 | 
						|
    _finsh_thread_entry_hook = hook;
 | 
						|
}
 | 
						|
#endif /* RT_USING_HOOK */
 | 
						|
 | 
						|
static void finsh_thread_entry(void *parameter)
 | 
						|
{
 | 
						|
    int ch;
 | 
						|
 | 
						|
    RT_OBJECT_HOOK_CALL(_finsh_thread_entry_hook, ());
 | 
						|
 | 
						|
    /* normal is echo mode */
 | 
						|
#ifndef FINSH_ECHO_DISABLE_DEFAULT
 | 
						|
    shell->echo_mode = 1;
 | 
						|
#else
 | 
						|
    shell->echo_mode = 0;
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
 | 
						|
    /* set console device as shell device */
 | 
						|
    if (shell->device == RT_NULL)
 | 
						|
    {
 | 
						|
        rt_device_t console = rt_console_get_device();
 | 
						|
        if (console)
 | 
						|
        {
 | 
						|
            finsh_set_device(console->parent.name);
 | 
						|
        }
 | 
						|
    }
 | 
						|
#endif /* !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE) */
 | 
						|
 | 
						|
#ifdef FINSH_USING_AUTH
 | 
						|
    /* set the default password when the password isn't setting */
 | 
						|
    if (rt_strlen(finsh_get_password()) == 0)
 | 
						|
    {
 | 
						|
        if (finsh_set_password(FINSH_DEFAULT_PASSWORD) != RT_EOK)
 | 
						|
        {
 | 
						|
            rt_kprintf("Finsh password set failed.\n");
 | 
						|
        }
 | 
						|
    }
 | 
						|
    /* waiting authenticate success */
 | 
						|
    finsh_wait_auth();
 | 
						|
#endif
 | 
						|
 | 
						|
    rt_kprintf(FINSH_PROMPT);
 | 
						|
 | 
						|
    while (1)
 | 
						|
    {
 | 
						|
        ch = (int)finsh_getchar();
 | 
						|
        if (ch < 0)
 | 
						|
        {
 | 
						|
            continue;
 | 
						|
        }
 | 
						|
 | 
						|
        /*
 | 
						|
         * 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)
 | 
						|
        {
 | 
						|
            if (ch == 0x5b)
 | 
						|
            {
 | 
						|
                shell->stat = WAIT_FUNC_KEY;
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
 | 
						|
            shell->stat = WAIT_NORMAL;
 | 
						|
        }
 | 
						|
        else if (shell->stat == WAIT_FUNC_KEY)
 | 
						|
        {
 | 
						|
            shell->stat = WAIT_NORMAL;
 | 
						|
 | 
						|
            if (ch == 0x41) /* up key */
 | 
						|
            {
 | 
						|
#ifdef FINSH_USING_HISTORY
 | 
						|
                /* prev history */
 | 
						|
                if (shell->current_history > 0)
 | 
						|
                    shell->current_history --;
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    shell->current_history = 0;
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                /* copy the history command */
 | 
						|
                rt_memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
 | 
						|
                       FINSH_CMD_SIZE);
 | 
						|
                shell->line_curpos = shell->line_position = (rt_uint16_t)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;
 | 
						|
                }
 | 
						|
 | 
						|
                rt_memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
 | 
						|
                       FINSH_CMD_SIZE);
 | 
						|
                shell->line_curpos = shell->line_position = (rt_uint16_t)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 */
 | 
						|
            {
 | 
						|
                if (shell->line_curpos < shell->line_position)
 | 
						|
                {
 | 
						|
                    rt_kprintf("%c", shell->line[shell->line_curpos]);
 | 
						|
                    shell->line_curpos ++;
 | 
						|
                }
 | 
						|
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        /* received null or error */
 | 
						|
        if (ch == '\0' || ch == 0xFF) 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");
 | 
						|
 | 
						|
            /* auto complete */
 | 
						|
            shell_auto_complete(&shell->line[0]);
 | 
						|
            /* re-calculate position */
 | 
						|
            shell->line_curpos = shell->line_position = (rt_uint16_t)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--;
 | 
						|
 | 
						|
            if (shell->line_position > shell->line_curpos)
 | 
						|
            {
 | 
						|
                int i;
 | 
						|
 | 
						|
                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]);
 | 
						|
 | 
						|
                /* 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);
 | 
						|
#endif
 | 
						|
            if (shell->echo_mode)
 | 
						|
                rt_kprintf("\n");
 | 
						|
            msh_exec(shell->line, shell->line_position);
 | 
						|
 | 
						|
            rt_kprintf(FINSH_PROMPT);
 | 
						|
            rt_memset(shell->line, 0, sizeof(shell->line));
 | 
						|
            shell->line_curpos = shell->line_position = 0;
 | 
						|
            continue;
 | 
						|
        }
 | 
						|
 | 
						|
        /* it's a large line, discard it */
 | 
						|
        if (shell->line_position >= FINSH_CMD_SIZE)
 | 
						|
            shell->line_position = 0;
 | 
						|
 | 
						|
        /* normal character */
 | 
						|
        if (shell->line_curpos < shell->line_position)
 | 
						|
        {
 | 
						|
            int i;
 | 
						|
 | 
						|
            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]);
 | 
						|
 | 
						|
            /* 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 */
 | 
						|
}
 | 
						|
 | 
						|
static void finsh_system_function_init(const void *begin, const void *end)
 | 
						|
{
 | 
						|
    _syscall_table_begin = (struct finsh_syscall *) begin;
 | 
						|
    _syscall_table_end = (struct finsh_syscall *) end;
 | 
						|
}
 | 
						|
 | 
						|
#if defined(__ICCARM__) || defined(__ICCRX__)               /* for IAR compiler */
 | 
						|
#ifdef FINSH_USING_SYMTAB
 | 
						|
    #pragma section="FSymTab"
 | 
						|
#endif
 | 
						|
#elif defined(__ADSPBLACKFIN__) /* for VisaulDSP++ Compiler*/
 | 
						|
#ifdef FINSH_USING_SYMTAB
 | 
						|
    extern "asm" int __fsymtab_start;
 | 
						|
    extern "asm" int __fsymtab_end;
 | 
						|
#endif
 | 
						|
#elif defined(_MSC_VER)
 | 
						|
#pragma section("FSymTab$a", read)
 | 
						|
const char __fsym_begin_name[] = "__start";
 | 
						|
const char __fsym_begin_desc[] = "begin of finsh";
 | 
						|
__declspec(allocate("FSymTab$a")) const struct finsh_syscall __fsym_begin =
 | 
						|
{
 | 
						|
    __fsym_begin_name,
 | 
						|
    __fsym_begin_desc,
 | 
						|
    NULL
 | 
						|
};
 | 
						|
 | 
						|
#pragma section("FSymTab$z", read)
 | 
						|
const char __fsym_end_name[] = "__end";
 | 
						|
const char __fsym_end_desc[] = "end of finsh";
 | 
						|
__declspec(allocate("FSymTab$z")) const struct finsh_syscall __fsym_end =
 | 
						|
{
 | 
						|
    __fsym_end_name,
 | 
						|
    __fsym_end_desc,
 | 
						|
    NULL
 | 
						|
};
 | 
						|
#endif
 | 
						|
 | 
						|
/*
 | 
						|
 * @ingroup finsh
 | 
						|
 *
 | 
						|
 * This function will initialize finsh shell
 | 
						|
 */
 | 
						|
int finsh_system_init(void)
 | 
						|
{
 | 
						|
    rt_err_t result = RT_EOK;
 | 
						|
    rt_thread_t tid;
 | 
						|
 | 
						|
#ifdef FINSH_USING_SYMTAB
 | 
						|
#ifdef __ARMCC_VERSION  /* ARM C Compiler */
 | 
						|
    extern const int FSymTab$$Base;
 | 
						|
    extern const int FSymTab$$Limit;
 | 
						|
    finsh_system_function_init(&FSymTab$$Base, &FSymTab$$Limit);
 | 
						|
#elif defined (__ICCARM__) || defined(__ICCRX__)      /* for IAR Compiler */
 | 
						|
    finsh_system_function_init(__section_begin("FSymTab"),
 | 
						|
                               __section_end("FSymTab"));
 | 
						|
#elif defined (__GNUC__) || defined(__TI_COMPILER_VERSION__) || defined(__TASKING__)
 | 
						|
    /* GNU GCC Compiler and TI CCS */
 | 
						|
    extern const int __fsymtab_start;
 | 
						|
    extern const int __fsymtab_end;
 | 
						|
    finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
 | 
						|
#elif defined(__ADSPBLACKFIN__) /* for VisualDSP++ Compiler */
 | 
						|
    finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
 | 
						|
#elif defined(_MSC_VER)
 | 
						|
    unsigned int *ptr_begin, *ptr_end;
 | 
						|
 | 
						|
    if (shell)
 | 
						|
    {
 | 
						|
        rt_kprintf("finsh shell already init.\n");
 | 
						|
        return RT_EOK;
 | 
						|
    }
 | 
						|
 | 
						|
    ptr_begin = (unsigned int *)&__fsym_begin;
 | 
						|
    ptr_begin += (sizeof(struct finsh_syscall) / sizeof(unsigned int));
 | 
						|
    while (*ptr_begin == 0) ptr_begin ++;
 | 
						|
 | 
						|
    ptr_end = (unsigned int *) &__fsym_end;
 | 
						|
    ptr_end --;
 | 
						|
    while (*ptr_end == 0) ptr_end --;
 | 
						|
 | 
						|
    finsh_system_function_init(ptr_begin, ptr_end);
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef RT_USING_HEAP
 | 
						|
    /* create or set shell structure */
 | 
						|
    shell = (struct finsh_shell *)rt_calloc(1, sizeof(struct finsh_shell));
 | 
						|
    if (shell == RT_NULL)
 | 
						|
    {
 | 
						|
        rt_kprintf("no memory for shell\n");
 | 
						|
        return -1;
 | 
						|
    }
 | 
						|
    tid = rt_thread_create(FINSH_THREAD_NAME,
 | 
						|
                           finsh_thread_entry, RT_NULL,
 | 
						|
                           FINSH_THREAD_STACK_SIZE, FINSH_THREAD_PRIORITY, 10);
 | 
						|
#else
 | 
						|
    shell = &_shell;
 | 
						|
    tid = &finsh_thread;
 | 
						|
    result = rt_thread_init(&finsh_thread,
 | 
						|
                            FINSH_THREAD_NAME,
 | 
						|
                            finsh_thread_entry, RT_NULL,
 | 
						|
                            &finsh_thread_stack[0], sizeof(finsh_thread_stack),
 | 
						|
                            FINSH_THREAD_PRIORITY, 10);
 | 
						|
#endif /* RT_USING_HEAP */
 | 
						|
 | 
						|
    rt_sem_init(&(shell->rx_sem), "shrx", 0, 0);
 | 
						|
    finsh_set_prompt_mode(1);
 | 
						|
 | 
						|
    if (tid != NULL && result == RT_EOK)
 | 
						|
        rt_thread_startup(tid);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
INIT_APP_EXPORT(finsh_system_init);
 | 
						|
 | 
						|
#endif /* RT_USING_FINSH */
 | 
						|
 |