system.h File Reference

Go to the source code of this file.

Data Structures
struct	FILE_ENTRY
Functions
void	F_SystemStringCopy (U8 *DestiString, U8 *SourceString)
U32	F_SystemAscii2HexU32 (U8 *pString)
U8	F_SystemAscii2HexU8 (U8 Data)
U8	F_SystemlibHex2AsciiCharGet (U8 Data)
U32	F_SystemlibAscii2HexNumberGet (U8 *pString)

---

Function Documentation

U32 F_SystemAscii2HexU32

(

U8 *

pString

)

Definition at line 26 of file system.c.

                                     {
    U32 i,j;

    i=0;
    while(*pString!=0){
        j=(U32)F_SystemAscii2HexU8(*pString);
        i=i*16+j;
        pString++;
    }
    return i;
}

U8 F_SystemAscii2HexU8

(

U8

Data

)

Definition at line 37 of file system.c.

                               {

    if((Data>='0')&&(Data<='9')) Data=Data-'0';
    else if((Data>='a')&&(Data<='f')) Data=Data-'a'+10;
    else if((Data>='A')&&(Data<='F')) Data=Data-'A'+10;
    return Data;
}

U32 F_SystemlibAscii2HexNumberGet

(

U8 *

pString

)

Definition at line 44 of file system.c.

                                              {
    U8 i,j;
    U32 k;
    U8 *pData;

    if(pString==(U8 *)0) return 0; // null string pointer
    pData=pString;
    for(i=0;i<9;i++) if(*pData++==0) break;
    if((i==0)||(i==9)) return 0; // string too large
    k=0;
    if(i==8){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<28;
        i--; 
    } 
    if(i==7){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<24; 
        i--;
    } 
    if(i==6){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<20; 
        i--;
    } 
    if(i==5){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<16; 
        i--;
    } 
    if(i==4){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<12; 
        i--;
    } 
    if(i==3){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<8; 
        i--;
    } 
    if(i==2){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j<<4; 
        i--;
    } 
    if(i==1){
        j=*pString++;
        if((j>='0')&&(j<='9')) j=j-'0';
        else if((j>='a')&&(j<='f')) j=j-'a'+10;
        else if((j>='A')&&(j<='F')) j=j-'A'+10;
        else return 0; // invalid char
        k+=(U32)j; 
    } 
    return k;
}

U8 F_SystemlibHex2AsciiCharGet

(

U8

Data

)

Definition at line 127 of file system.c.

                                       {
    if((Data>=0)&&(Data<=9)) Data+=0x30;
    else if((Data>=10)&&(Data<=15)) Data+=55;
    else Data=0;
    return Data;
}

void F_SystemStringCopy	(	U8 *	DestiString,
		U8 *	SourceString
	)

Definition at line 11 of file system.c.

                                                         {
    U8 i;

    i=0;
    while(*SourceString!=0){
        *DestiString=*SourceString;
        DestiString++;
        SourceString++;
        i++;
        if(i>=99){
            *DestiString=0;
            break;
        }
    }
}