static int ihex_rs_iterate_data(ihex_recordset_t rs, ref UInt32 pIdx, /* ihex_record_t**rec*/ ref ihex_record_t pRec, ref UInt32 pOff)
{
UInt32 offset;
ihex_record_t x;
if (pIdx == 0 && pOff != 0)
{
pOff = 0; // force the offset to zero at start
}
for (; pIdx < rs.ihrs_count; ++pIdx)
{
x = (rs.ihrs_records[pIdx]);
if (pRec != null)
{
pRec = x; //point the caller to current record
}
switch (x.ihr_type)
{
case ihex_rtype_t.IHEX_DATA:
++pIdx; //proceed to next record in next call
return 0; //let the caller process the data
case ihex_rtype_t.IHEX_EOF:
if (pIdx < rs.ihrs_count - 1)
{
//IHEX_SET_ERROR_RETURN(IHEX_ERR_PREMATURE_EOF, "Premature EOF in record %i", p__i + 1);
return (IHEX_ERR_PREMATURE_EOF);
}
else
{
//FIXME signal end of records
pIdx = 0; //signal next index is 0 => we've finished
if (pRec != null)
{
pRec = null;
}
return 0;
}
case ihex_rtype_t.IHEX_ESA:
//offset = *(x.ihr_data) << 4; //?????????????????????????????????
offset = x.ihr_data[0];// << 4;
offset = offset << 4;
if (pOff != null)
{
pOff = offset;
}
//#ifdef IHEX_DEBUG
//printf("Switched offset to 0x%08x.\n", offset);
//#endif
break;
case ihex_rtype_t.IHEX_ELA:
offset = (UInt32)((x.ihr_data[0] << 24) + (x.ihr_data[1] << 16));
if (pOff != null)
{
pOff = offset;
}
//#ifdef IHEX_DEBUG
//printf("Switched offset to 0x%08x.\n", offset);
//#endif
break;
case ihex_rtype_t.IHEX_SSA:
case ihex_rtype_t.IHEX_SLA:
//skip body; next
break;
default:
//IHEX_SET_ERROR_RETURN(IHEX_ERR_UNKNOWN_RECORD_TYPE, "Unknown record type in record %i: 0x%02x", p__i + 1, x.ihr_type);
break;
}
}
//IHEX_SET_ERROR_RETURN(IHEX_ERR_NO_EOF, "Missing EOF record");
return (IHEX_ERR_NO_EOF);
}
public static int ihex_mem_copy_from_offset(ihex_recordset_t rs, ref Byte[] dst, UInt64 ofst, UInt64 byte_count, ihex_width_t w, ihex_byteorder_t o)
{
int r;
UInt32 i, j, l;
UInt32 offset = 0x00, address = 0x00;
UInt32 start = 0x00, stop = 0x00;
Byte[] d = (Byte[])dst;
ihex_record_t x = new ihex_record_t();
if ((r = ihex_mem_zero(dst, byte_count)) != 0)
{
return r;
}
UInt32 target_idx;
target_idx = 0;
UInt32 bean_counter = 0;
i = 0; // Start at first (0th) data record
do
{
r = ihex_rs_iterate_data(rs, ref i, ref x, ref offset);
if (r != 0)
{
return r;
}
else if (x == null)
{
break;
}
/*
x.ihr_address;
x.ihr_checksum;
x.ihr_data;
x.ihr_length;
x.ihr_type;
*/
//x.ihr_type == ihex_rtype_t.IHEX_DATA;
if (start == 0)
{
start = (uint)(offset + x.ihr_address + ofst);
stop = (uint)(start + byte_count);
}
/**/
address = (offset + x.ihr_address);
/*
if (address >= byte_count)
{
//IHEX_SET_ERROR_RETURN(IHEX_ERR_ADDRESS_OUT_OF_RANGE, "Address 0x%08x is out of range", address);
return(IHEX_ERR_ADDRESS_OUT_OF_RANGE);
}
*/
//address = 0;
Int32 _shift;
UInt32 v;
for (j = 0; j < x.ihr_length; j += (uint)w)
{
v = 0;
for (l = 0; (l < (uint)w) && (j + l < x.ihr_length); l++)
{
_shift = (Int32)(8 * ((o == ihex_byteorder_t.IHEX_ORDER_BIGENDIAN) ? (((uint)w - 1) - l) : (l)));
v += (UInt32)(((UInt32)(x.ihr_data[j + l])) << _shift);
//v += x.ihr_data[j + l] << (8 * ((o == ihex_byteorder_t.IHEX_ORDER_BIGENDIAN) ? (((uint)w - 1) - l) : (l)));
}
if (((address + j) >= start) && ((address + j) < stop))
{
if (w == ihex_width_t.IHEX_WIDTH_8BIT)
{
dst[target_idx + 0] = (Byte)((v >> 0) & 0x000000FF);
bean_counter += 1;
}
if (w == ihex_width_t.IHEX_WIDTH_16BIT)
{
dst[target_idx + 0] = (Byte)((v >> 0) & 0x000000FF);
dst[target_idx + 1] = (Byte)((v >> 8) & 0x000000FF);
bean_counter += 2;
}
if (w == ihex_width_t.IHEX_WIDTH_32BIT)
{
dst[target_idx + 0] = (Byte)((v >> 0) & 0x000000FF);
dst[target_idx + 1] = (Byte)((v >> 8) & 0x000000FF);
dst[target_idx + 2] = (Byte)((v >> 16) & 0x000000FF);
dst[target_idx + 3] = (Byte)((v >> 24) & 0x000000FF);
bean_counter += 4;
}
//dst[target_idx] = v;
target_idx += (uint)w;
//#ifdef IHEX_DEBUG
//printf("%08x . %08x = %08x\n", (address + j), v, *target);
//#endif
}
if ((address + j) >= stop)
break;
}
} while (i > 0); // i == 0 implies we have run out of data records to read
Console.Write("bean_counter = 0x{0:x08}, {0}\n", bean_counter);
return 0;
}
//---------------------------------------------------------------------
static int ihex_check_record(ihex_record_t r)
{
UInt32 i;
//Byte t = 0;
Int64 t = 0;
t += r.ihr_length + ((r.ihr_address >> 8) & 0xFF)
+ (r.ihr_address & 0xFF)
+ (Byte)(r.ihr_type)
+ r.ihr_checksum;
for (i = 0; i < r.ihr_length; i++)
{
t += r.ihr_data[i];
}
return ((t & 0xFF) == 0) ? 0 : 1;
}
//---------------------------------------------------------------------
//TODO static ihex_recordset_t ihex_rs_from_string(String data)
//TODO {
//TODO return ihex_rs_from_mem(data, strlen(data));
//TODO }
//---------------------------------------------------------------------
static int ihex_parse_single_record(Byte[] data, UInt32 _ofst, UInt32 length, ihex_record_t record)
{
UInt32 i;
// Records needs to begin with record mark (usually ":")
if (data[_ofst] != IHEX_CHR_RECORDMARK)
{
//IHEX_SET_ERROR_RETURN(IHEX_ERR_PARSE_ERROR, "Missing record mark");
return (IHEX_ERR_PARSE_ERROR);
}
// Record layout:
// 1 2 3 4
// 0 12 3456 78 90123456789012345678901234567890 12
// : 10 0100 00 214601360121470136007EFE09D21901 40
// +3 +7+9 +9+2*len|
// 1 1 1 0123456789abcdef0123456789abcdef|
// 1 4 8 V
// :10800000E0570020F58001000F810100118101007F --karels
record.ihr_length = (Byte)length;
record.ihr_address = (UInt16)ihex_fromhex16(data, (int)(_ofst + 3));
record.ihr_type = (ihex_rtype_t)ihex_fromhex8(data, (int)(_ofst + 7));
record.ihr_checksum = (Byte)ihex_fromhex8(data, (int)(_ofst + 9 + record.ihr_length * 2));
record.ihr_data = new Byte[record.ihr_length];
/*
if ((record.ihr_data = (Byte []) malloc(record.ihr_length)) == NULL)
{
//IHEX_SET_ERROR_RETURN(IHEX_ERR_MALLOC_FAILED, "Could not allocate memory");
return(IHEX_ERR_MALLOC_FAILED);
}
*/
// Records needs to end with CRLF or LF.
if ((data[_ofst + 11 + record.ihr_length * 2] != 0x0D || data[_ofst + 12 + record.ihr_length * 2] != 0x0A)
&& (data[_ofst + 11 + record.ihr_length * 2] != 0x0A))
{
//free(record.ihr_data);
//IHEX_SET_ERROR_RETURN(IHEX_ERR_WRONG_RECORD_LENGTH, "Incorrect record length");
return (IHEX_ERR_WRONG_RECORD_LENGTH);
}
for (i = 0; i < record.ihr_length; i++)
{
if (data[_ofst + 9 + i * 2] == 0x0A || data[_ofst + 9 + i * 2] == 0x0D)
{
//free(record.ihr_data);
//IHEX_SET_ERROR_RETURN(IHEX_ERR_WRONG_RECORD_LENGTH, "Unexpected end of line");
return (IHEX_ERR_WRONG_RECORD_LENGTH);
}
record.ihr_data[i] = ihex_fromhex8(data, (int)(_ofst + 9 + i * 2));
}
if (ihex_check_record(record) != 0)
{
//free(record.ihr_data);
//IHEX_SET_ERROR_RETURN(IHEX_ERR_INCORRECT_CHECKSUM, "Checksum validation failed");
return (IHEX_ERR_INCORRECT_CHECKSUM);
}
return 0;
}
public static int ihex_rs_get_address_range(ihex_recordset_t rs, ref UInt32 pmin, ref UInt32 pmax)
{
int r;
UInt32 offset = 0x00, address = 0x00;//, dummy_min, dummy_max;
UInt32 min, max;
UInt32 i = 0;
ihex_record_t x = new ihex_record_t();
// Initialize range boundaries
//if (pmin == null)
//{
//min = dummy_min;
//}
//if (pmax == null)
//{
//max = dummy_max;
//}
min = 0xFFFFFFFF; // UINT32_MAX;
max = 0x00;
int dd = 0;
uint lasti = 0;
do
{
lasti = i;
r = ihex_rs_iterate_data(rs, ref i, ref x, ref offset);
if (i == 0)
{
Console.Write("Last i = {0}, ", lasti);
}
if (r != 0)
{
return r;
}
else if (x == null)
{
break;
}
if (dd == 0)
{
Console.Write("First i = {0}, ", i);
dd++;
}
address = (offset + x.ihr_address);
if (address < min)
{
min = address;
}
/*
if (address + x.ihr_length > max)
{
max = address + x.ihr_length;
}
*/
if (address /*+ x.ihr_length*/ > max)
{
max = address + (x.ihr_length - 1);
}
}
while (i > 0);
if (pmin != null) pmin = min;
if (pmax != null) pmax = max;
return 0;
}
