public ModbusMemoryMap(IModbusCoilsTable inputCoils, IModbusCoilsTable outputCoils, IModbusRegistersTable inputRegisters, IModbusRegistersTable outputRegisters)
{
InputCoils = inputCoils ?? throw new ArgumentNullException(nameof(inputCoils));
OutputCoils = outputCoils ?? throw new ArgumentNullException(nameof(outputCoils));
InputRegisters = inputRegisters ?? throw new ArgumentNullException(nameof(inputRegisters));
OutputRegisters = outputRegisters ?? throw new ArgumentNullException(nameof(outputRegisters));
}
internal static void CopyTo(this IModbusCoilsTable table, IMessageBufferWriter bufferWriter, int offset, int count)
{
var n = Math.DivRem(count, 8, out var res);
if (res > 0)
{
n++;
}
bufferWriter.Push((byte)n);
for (var i = 0; i < n; i++)
{
byte currentByte = 0;
for (var j = 0; j < 8 && count > 0; j++)
{
var index = i * 8 + j + offset;
if (index < table.Length && table[index])
{
currentByte |= (byte)(0x1 << j);
}
count--;
}
bufferWriter.Push(currentByte);
}
}
internal static void CopyFrom(this IModbusCoilsTable table, MessageBufferSpan messageBufferSpan, int offset, int count)
{
var n = Math.DivRem(count, 8, out var res);
if (res > 0)
{
n++;
}
for (var i = 0; i < n; i++)
{
byte currentByte = messageBufferSpan[i];
for (var j = 0; j < 8 && count > 0; j++)
{
var index = i * 8 + j + offset;
if (index < table.Length)
{
table[index] =
((currentByte & (byte)(0x1 << j)) > 0);
}
count--;
}
}
}
public ModbusMemoryMap(IModbusCoilsTable coils, IModbusRegistersTable registers)
{
InputCoils = OutputCoils = coils ?? throw new ArgumentNullException(nameof(coils));
InputRegisters = OutputRegisters = registers ?? throw new ArgumentNullException(nameof(registers));
}