system.c

自动联想命令行处理代码

#if !BASIC_BIOS

#include <stdio.h>
#include <setjmp.h>
#include <string.h>
#include <ctype.h>
#include "interrupt.h"
#include "watchdog.h"
#include "cli.h"
#include "uart.h"

extern void jmp_to( unsigned long addr );

static CommandNode CLI_NAME_REBOOT =
{
    "reboot",               // node command hint pointer
    "系统复位",             // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_KEY,       // node type
    CLI_REBOOT              // node command value
};

static CommandNode CLI_NAME_RUN =
{
    "run",                  // node command hint pointer
    "运行指定地址的程序",   // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_HEX,       // node type
    CLI_RUN                 // node command value
};

static CommandNode CLI_NAME_GO =
{
    "go",                   // node command hint pointer
    "运行地址0x0c000000的程序",   // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_KEY,       // node type
    CLI_GO                 // node command value
};

CommandNode *CLI_Reboot[] =
{
    &CLI_NAME_REBOOT,    // boot
    NULL
};

CommandNode *CLI_Run[] =
{
    &CLI_NAME_RUN,       // run
    NULL
};

CommandNode *CLI_Go[] =
{
    &CLI_NAME_GO,       // go
    NULL
};

static CommandNode CLI_NAME_READMEM =
{
    "read-memory",          // node command hint pointer
    "显示内存",             // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_HEX,       // node type
    CLI_READMEMORY          // node command value
};

static CommandNode CLI_NAME_WRITEMEM =
{
    "write-memory",         // node command hint pointer
    "修改内存",             // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_HEX,       // node type
    NULL                    // node command value
};

static CommandNode CLI_NAME_WRITEDATA =
{
    "data",                 // node command hint pointer
    "数据(HEX)",            // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_HEX,       // node type
    CLI_WRITEMEMORY         // node command value
};

CommandNode *CLI_ReadMemory[] =
{
    &CLI_NAME_READMEM,      // read memory
    NULL
};

CommandNode *CLI_WriteMemory[] =
{
    &CLI_NAME_WRITEMEM,    // write memopy
    &CLI_NAME_WRITEDATA,   // data
    NULL
};

void CLI_SystemProc( unsigned char key )
{
    switch( key )
    {
        case CLI_REBOOT:
            CLI_RebootProc();
            break;

        case CLI_RUN:
            CLI_RunProc();
            break;

        case CLI_GO:
            CLI_GoProc();
            break;

        case CLI_READMEMORY:
            CLI_ReadMemProc();
            break;

        case CLI_WRITEMEMORY:
            CLI_WriteMemProc();
            break;

        case CLI_DISPMEM:
            CLI_DispMemProc();
            break;

        default:
            break;
    }
}

static CommandNode CLI_NAME_DISPMEMORY =
{
    "display-mem",          // node command hint pointer
    "显示内存",             // node command help pointer
    NULL,                   // node current input buffer pointer
    NULL,                   // down leaf pointer
    NULL,                   // right leaf pointer
    COMMAND_TYPE_HEX,       // node type
    CLI_DISPMEM             // node command value
};

CommandNode *CLI_DisplayMem[] =
{
    &CLI_NAME_DISPMEMORY,   // display memopy
    NULL
};

void CLI_RebootProc( void )
{
	INT_DISABLE_FIQ();
	INT_DISABLE_IRQ();
	INT_IRQ_CLEAR_ALL_PENDING();
	INT_FIQ_CLEAR_ALL_PENDING();
	
	WATCHDOG_SetPrescaler( 0 );
	WATCHDOG_TimerEnable();
	WATCHDOG_ResetEnable();
	WATCHDOG_Clear();

	for(;;);
}

void CLI_RunProc( void )
{
    unsigned long addr;
    char *str;

    str = CLI_GetCommandKey( 0 );

    if( str != NULL )
    {
        if( 1 == sscanf( str, "%lX", &addr ))
        {
            jmp_to( addr );
        }
    }
}

void CLI_GoProc( void )
{
	jmp_to( 0x0c000000 );
}

void CLI_ReadMemProc( void )
{
    unsigned long addr;
    unsigned char *p;
    char *str;

    str = CLI_GetCommandKey( 0 );

    if( str != NULL )
    {
        if( 1 == sscanf( str, "%lX", &addr ))
        {
	        p = (unsigned char*)addr;
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr, *p );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 1, *( p + 1 ) );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 2, *( p + 2 ) );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 3, *( p + 3 ) );
        }
    }
}

void CLI_WriteMemProc( void )
{
    unsigned long addr;
    unsigned char data;
    unsigned char *p;
    char *str;

    str = CLI_GetCommandKey( 0 );

    if( str != NULL )
    {
        if( 1 == sscanf( str, "%lX", &addr ))
        {
        }
        else
        {
            UART_Printf("\r\nInput Error");
            return;
        }
    }

    str = CLI_GetCommandKey( 1 );

    if( str != NULL )
    {
        if( 1 == sscanf( str, "%2X", &data ))
        {
	        p = (unsigned char*)addr;
	        *p = data;

	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr, *p );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 1, *( p + 1 ) );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 2, *( p + 2 ) );
	        UART_Printf( "\r\nAddr 0X%08lX : 0X%02X", addr + 3, *( p + 3 ) );
        }
        else
        {
            UART_Printf("\r\nInput Error");
            return;
        }
    }
}

void CLI_DispMemProc( void )
{
    char *str;
    unsigned long addr;

    str = CLI_GetCommandKey( 0 );

    if( str!= NULL )
    {
        if( 1 == sscanf( str, "%lX", &addr ))
        {
            CLI_DispMem( (unsigned char *)addr );
        }
    }
}

void CLI_DispMem( unsigned char *addr )
{
    unsigned long loop1, k;
    unsigned char *p;

	p = addr;

	for( loop1 = 0; loop1 < 0x10; loop1++ )
	{
       UART_Printf( "\r\n%08lX:", p );

       UART_Printf( "%02X", *p++ );
       for( k = 1; k < 0x10; k++ )
       {
	       if( k % 0x8 == 0 )
	       {
	           UART_Printf( " -" );
	       }

		   UART_Printf( " %02X", *p );
		   p++;
	   }
	   
	   p-=0x10;

       UART_Printf( " - " );
       for( k = 0; k < 0x10; k++ )
       {
           if( isprint( *p ))
           {
               UART_Printf( "%c", *p );
           }
           else
           {
               UART_Printf( "%c", ' ' );
           }
           
		   p++;
	   }
	}
}

#endif