public void ReadDynamicText()
{
var itemBuilder = new Items.Builder.PlcItemBuilder();
var target = "ABC";
var targetData = Encoding.UTF8.GetBytes(target);
var bytesItem = itemBuilder
.ConstructBytesPlcItem()
.ForData()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithInitialValue(new[] { (byte)targetData.Length }.Concat(targetData).ToArray())
.Build()
;
var dynamicTextItem = itemBuilder
.ConstructUtf8PlcItem()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithDynamicItem <BytePlcItem>()
.BuildDynamic()
;
base.ExecuteTest
(
async(plc) =>
{
var success = await plc.WriteItemAsync(bytesItem);
Assert.True(success);
// Read the dynamic item.
var result = await plc.ReadItemAsync(dynamicTextItem);
//Check value and length.
Assert.AreEqual(target, result);
Assert.AreEqual(target, dynamicTextItem.Value);
Assert.AreEqual(result.Length, ((BytePlcItem)dynamicTextItem.LengthPlcItem).Value);
}
);
}
public void WriteDynamic()
{
var itemBuilder = new Items.Builder.PlcItemBuilder();
var target = "ABC";
//var targetData = Encoding.UTF8.GetBytes(target);
var bytesItem = itemBuilder
.ConstructBytesPlcItem()
.ForData()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.ForByteAmount((uint)Data.WriteBytes.Length)
.Build()
;
var dynamicTextItem = itemBuilder
.ConstructUtf8PlcItem()
.AtDatablock(Data.Datablock)
.AtPosition(Data.StartOfModifiableBytes)
.WithDynamicItemFromInitialValue(target)
.BuildDynamic()
;
base.ExecuteTest
(
async(plc) =>
{
// Clear the bytes.
var result = await plc.WriteItemWithValidationAsync(bytesItem);
Assert.True(result);
// Write the whole dynamic item.
result = await plc.WriteItemWithValidationAsync(dynamicTextItem);
Assert.True(result);
}
);
}