srec2bin.c

ADAM2 sources (modified by Oleg)

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//  

// #include <string.h>
#include <stdio.h>
#include <ctype.h>

//Rev 0.1 Original
// 8 Jan 2001  MJH  Added code to write data to Binary file
//                  note: outputfile is name.bin, where name is first part
//                  of input file.  ie tmp.rec -> tmp.bin
//
//   srec2bin <input SREC file> <Output Binary File> <If Present, Big Endian>
//
//   TAG   
//        bit32u TAG_BIG     = 0xDEADBE42;
//        bit32u TAG_LITTLE  = 0xFEEDFA42;
//
//  File Structure
//
//  TAG    :   32 Bits
//  [DATA RECORDS]
//
//  Data Records Structure
//
//  LENGTH  :  32 Bits    <- Length of DATA, excludes ADDRESS and CHECKSUM
//  ADDRESS :  32 Bits
//  DATA    :  8 Bits * LENGTH
//  CHECKSUM:  32 Bits    <-  0 - (Sum of Length --> End of Data)
//
//  Note : If Length == 0, Address will be Program Start
//
//
//  
//
//

#define MajRevNum 0
#define MinRevNum 2


#define EndianSwitch(x) ((x >> 24) | (x << 24) | ((x << 8) & (0x00FF0000)) | ((x >> 8) & (0x0000FF00)) )

typedef unsigned char bit8u;
typedef unsigned int bit32u;
typedef int bit32;

#define FALSE 0
#define TRUE (!FALSE)


bit32u CheckSum;
int RecStart;
int debug;
int verbose;

FILE *OpenOutputFile( char *Name );
FILE *fOut;
bit32u RecLength=0;

bit32u AddressCurrent;

bit32u gh(char *cp,int nibs);

int BigEndian;

int inputline;

// char buf[16*1024];

char buffer[2048];
char *cur_ptr;
int cur_line=0;
int cur_len=0;

int s1s2s3_total=0;

bit32u PBVal;
int    PBValid;
bit32u PBAdr;


void dumpfTell(char *s, bit32u Value)
{
    int Length;
    Length = (int) RecLength;
    if (debug)
          printf("[%s  ] ftell()[0x%08lX] Length[0x%4X] Length[%4d] Value[0x%08x]\n",
                s, ftell(fOut), Length, Length, Value);
}

void DispHex(bit32u Hex)
{
//    printf("%X", Hex);
}

void WaitDisplay(void)
{
   static int Count=0;
   static int Index=0;
   char iline[]={"-\\|/"};

   Count++;
   if ((Count % 32)==0)
   {
     if (verbose)
        printf("%c%c",iline[Index++],8);
     Index &= 3;
   }
}


void binOut32 ( bit32u Data )
{
// On UNIX machine all 32bit writes need ENDIAN switched
//    Data = EndianSwitch(Data);
//    fwrite( &Data, sizeof(bit32u), 1, fOut);

   char sdat[4];
   int i;

   for(i=0;i<4;i++)
    sdat[i]=(char)(Data>>(i*8));
   fwrite( sdat, 1, 4, fOut);
   dumpfTell("Out32" , Data);
}

// Only update RecLength on Byte Writes
// All 32 bit writes will be for Length etc

void binOut8 ( bit8u Data )
{
    int n;
    dumpfTell("B4Data" , (bit32u) (Data & 0xFF) );
    n = fwrite( &Data, sizeof(bit8u), 1, fOut);
    if (n != 1)
        printf("Error in writing %X for Address 0x%8X\n", Data, AddressCurrent);
    RecLength += 1;
}

//  Currently ONLY used for outputting Program Start

void binRecStart(bit32u Address)
{
    RecLength      = 0;
    CheckSum       = Address;
    RecStart       = TRUE;

    if (debug)
          printf("[RecStart] CheckSum[0x%08X] Length[%4d] Address[0x%08X]\n",
                CheckSum, RecLength, Address);


    dumpfTell("RecLength", RecLength);
    binOut32( RecLength );
    dumpfTell("Address", Address);
    binOut32( Address );
}

void binRecEnd(void)
{
    long RecEnd;

    if (!RecStart)   //  if no record started, do not end it
    {
        return;
    }

    RecStart = FALSE;


    RecEnd = ftell(fOut);         // Save Current position

    if (debug)
          printf("[RecEnd  ] CheckSum[0x%08X] Length[%4d] Length[0x%X] RecEnd[0x%08lX]\n",
                CheckSum, RecLength, RecLength, RecEnd);

    fseek( fOut, -(RecLength), SEEK_CUR);  // move back Start Of Data

    dumpfTell("Data   ", -1);

    fseek( fOut, -4, SEEK_CUR);  // move back Start Of Address

    dumpfTell("Address   ", -1);

    fseek( fOut, -4, SEEK_CUR);  // move back Start Of Length

    dumpfTell("Length   ", -1);

    binOut32( RecLength );

    fseek( fOut, RecEnd, SEEK_SET);  // move to end of Record

    CheckSum += RecLength;

    CheckSum =  ~CheckSum + 1;  // Two's complement

    binOut32( CheckSum );

    if (verbose)
        printf("[Created Record of %d Bytes with CheckSum [0x%8X]\n", RecLength, CheckSum);
}

void binRecOutProgramStart(bit32u Address)
{
    if (Address != (AddressCurrent+1))
    {
        binRecEnd();
        binRecStart(Address);