private static IList<HexRecord> GroupDataRecords(HexRecord[] records)
{
var dataRecords = new List<HexRecord>();
uint upperLoadBaseAddress = 0;
foreach (HexRecord entry in records) {
// Set the upper part of the address
if (entry.RecordType == RecordType.ExtendedLinearAddr)
upperLoadBaseAddress = entry.Address;
if (entry.RecordType != RecordType.Data)
continue;
// Calculate the full entry addres
uint address = upperLoadBaseAddress + entry.Address;
// Add to the list
dataRecords.Add(new HexRecord {
Address = address,
Data = entry.Data,
RecordType = RecordType.Data
});
}
return dataRecords;
}
public static HexRecord FromString(string str)
{
if (!ValidateCommand(str))
return null;
var record = new HexRecord();
// Get record length (RECLEN)
byte length = Convert.ToByte(str.Substring(1, 2), 16);
// Get data address (LOAD OFFSET)
record.Address = Convert.ToUInt16(str.Substring(3, 4), 16);
// Get type (RECTYPE)
record.RecordType = (RecordType)Convert.ToByte(str.Substring(7, 2), 16);
if (record.RecordType != RecordType.Data && record.RecordType != RecordType.Eof &&
record.RecordType != RecordType.ExtendedLinearAddr)
throw new NotSupportedException();
// Get data
record.Data = new byte[length];
for (int i = 0; i < length; i++)
record.Data[i] = Convert.ToByte(str.Substring(9 + i * 2, 2), 16);
// If it's extended linear address, update address
if (record.RecordType == RecordType.ExtendedLinearAddr)
record.Address = (uint)((record.Data[0] << 24) | (record.Data[1] << 16));
return record;
}
public Hex(HexRecord[] records)
{
this.records = records;
this.dataRecords = HexAdapter.AdaptCode(records);
}
void SendDataRecord(HexRecord record)
{
// Sends address
socket.Write(record.Address);
// Sends data length
socket.Write((ushort)record.Data.Length);
// Sends data
socket.Write(record.Data);
}
public static IList<HexRecord> AdaptCode(HexRecord[] records)
{
var dataRecords = GroupDataRecords(records);
var normalized = NormalizeAddress(dataRecords);
return normalized;
}