cmdstr.c

SmartARM2400开发平台配套例程

/***********************************************Copyright (c)*********************************************
**                                Guangzou ZLG-MCU Development Co.,LTD.
**                                     
**                                       http://www.zlgmcu.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:			    CmdStr.C
** Last modified Date:      2007-09-20
** Last Version:		    1.0
** Descriptions:		    对以前的代码进行了整理
**
**--------------------------------------------------------------------------------------------------------
** Created by:			    chengmingji
** Created date:		    2007-07-08
** Version:				    1.0
** Descriptions:		    第一版
**
**--------------------------------------------------------------------------------------------------------
** Modified by:			    lixiaocheng
** Modified Date:		    2007-09-20
** Version:				    1.0
** Descriptions:		    对代码进行了重新的整理
**
**--------------------------------------------------------------------------------------------------------
** Modified by:			    lixiaocheng
** Modified Date:		    2007-10-16
** Version:				    1.1
** Descriptions:		    改进了ImpCmd函数，对用户传入参数进行拷贝后在操作，并优化了堆栈操作
**                          改进了ExpCmd函数，减少了一个参数输入，减少了部件参数数量的输入
**
*********************************************************************************************************/
#include "config.h"

/*********************************************************************************************************
** Function name:			CmdStr
** Descriptions:			用户命令初级处理
** input parameters:		pstr    : 用户数组
**							pargv   :处理后的字符串指针
** Returned value:			操作成功:返回处理成功的字符命令个数
*********************************************************************************************************/
static int CmdStr (char *pstr, char *pargv[])
{
    int     argc;
    
    char    ch, ch1;
    
                                                                        /* 除去开始的空格               */
    while (*pstr==' ') {
        pstr++;
    }
    argc = 0;
    
    while (1) {
        if (*pstr == '\"') {
            pstr++;
            pargv[argc] = pstr;
            while (1) {
                ch = *pstr;
                if (ch == 0) {
                    pstr++;
                    break;
                }
                
                if (ch == '\"') {
                    ch1 = pstr[1];
                    if (ch1 == ' ') {
                        *pstr++ = 0;
                        break;
                    } 
                    
                    if (ch1 == 0) {
                        *pstr++ = 0;
                        ch = 0;
                        break;
                    }
                }
                pstr++;
            }
        } else {
            pargv[argc] = pstr;
            while (1) {
                ch = *pstr;
                if (ch == ' ' || ch == 0) {
                    *pstr++ = 0;
                    break;
                }
                pstr++;
            }
        }
        argc++;

        if (ch == 0) {
            break;
        }

                                                                        /* 除去多余的空格               */
        while ((ch = *pstr) == ' ') {
            pstr++;
        }
        
        if (ch == 0) {
            break;
        }
    }
    return argc;
}

/*********************************************************************************************************
** Function name:			ImpCmd
** Descriptions:			用户字符命令转换为系统可设置的数字参数:
** input parameters:		uiID     : 外设编号:Tab_UART,Tab_I2C,Tab_SSP,Tab_SPI,Tab_RTC
**							pcarg    : 用户输入的字符串指针
**							puiPara  : 转换后的数字参数地址
** Returned value:			操作成功:返回处理成功的字符命令个数
*********************************************************************************************************/
int ImpCmd (uint32      uiID, 
            char       *pcarg, 
            uint32     *puiPara )
{
	int         iArgc;
	int         i,j;
	int         iSucc=0;
	
	uint32      uiNum;
	
	char       *pcArgv[12];
	char        temp2[3]={'%','i','\0'};
	
	uiNum = GucCmdTabNum[uiID];                                         /* 获取命令参数表参数的个数     */
	
	if ( pcarg == NULL || puiPara == NULL ) {
	    return OPERATE_FAIL;
	} else {
	    char temp[160];
	    
	    strcpy( temp, pcarg);                                           /* 拷贝用户参数进行修改         */
    	iArgc = CmdStr(temp, pcArgv);
    }
	
	for (i=0; i<iArgc; i++) {
		for (j=0; j<uiNum; j++) {
		    char    temp[16];
		    
			strcpy(temp, Cmd_Tab[uiID][j]);
			strcat(temp, temp2);
			if ( sscanf((char *)pcArgv[i],temp,(puiPara+j)) != 0 ) {
				iSucc ++;
				break;
			}
		}
	}
	return iSucc;                                                       /* 解析完参数的个数             */
}

/*********************************************************************************************************
** Function name:			ExpCmd
** Descriptions:			系统设置的数字参数转换为字符串输出
** input parameters:		uiID     : 外设编号:Tab_UART,Tab_I2C,Tab_SSP,Tab_SPI,Tab_RTC
**							pcarg    : 用户的字符串指针
**							puiPara  : 系统的数字参数地址
** Returned value:			操作成功:OPERATE_SUCCESS
*********************************************************************************************************/
int ExpCmd (uint32      uiID, 
            char       *pcarg, 
            uint32     *puiPara )
{
	int         n;
	
	uint32      uiNum;
	
	char        temp[8];
	
	uiNum = GucCmdTabNum[uiID]; 
	
	if ( pcarg == NULL || puiPara == NULL ) {
	    return OPERATE_FAIL;
	}
	
	*pcarg = '\0';
	
	for(n=0;n<uiNum;n++) {
		strcat(pcarg,Cmd_Tab[uiID][n]);
		sprintf(temp,"%i ",puiPara[n]);
		strcat(pcarg,temp);
	}
	
	return OPERATE_SUCCESS;
}