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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using LibplctagWrapper;
namespace LgxSimple
{
class Program
{
const int DataTimeout = 5000;
static void Main(string[] args)
{
var client = new Libplctag();
const string PLC_IP = "192.168.10.10";
const string PLC_PATH = "1, 0";
const CpuType PLC_TYPE = CpuType.LGX;
var TAG_CONTROL_WORD = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "CONTROL_WORD", DataType.Int32, 1);
var TAG_SHELL_LENGTH = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "SHELL_LENGTH", DataType.Float32, 1);
var TAG_STATUS_WORD = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "STATUS_WORD", DataType.DINT, 1);
var TAG_PC_HEARTBEAT = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "PC_HEARTBEAT", DataType.Int8, 1);
var TAG_MOVE_HOME = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "MOVE_HOME", DataType.SINT, 1);
var TAG_LINTY = new Tag(PLC_IP, PLC_PATH, PLC_TYPE, "LINTY", DataType.LINT, 1);
var tags = new List<Tag> {
TAG_CONTROL_WORD,
TAG_SHELL_LENGTH,
TAG_STATUS_WORD,
TAG_PC_HEARTBEAT,
TAG_MOVE_HOME,
TAG_LINTY,
};
/* create the tag(s) */
foreach (var tag in tags)
{
client.AddTag(tag);
}
/* let the connect succeed we hope */
foreach (var tag in tags)
{
while (client.GetStatus(tag) == Libplctag.PLCTAG_STATUS_PENDING)
{
Thread.Sleep(100);
}
if (client.GetStatus(tag) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up '{tag.Name}' internal state. Error {client.DecodeError(client.GetStatus(tag))}\n");
return;
}
}
/* get the data */
int rc;
foreach (var tag in tags)
{
rc = client.ReadTag(tag, DataTimeout);
if (rc != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the '{tag.Name}' data! Got error code {rc}: {client.DecodeError(client.GetStatus(tag))}\n" );
return;
}
}
/* print out the data */
Console.WriteLine("\n\n{{{{{{{{{{{{{{{{{{{{{\n");
Console.WriteLine($"initial 'CONTROL_WORD' = { client.GetUint32Value(TAG_CONTROL_WORD, 0)}\n");
Console.WriteLine($"initial 'SHELL_LENGTH' = { client.GetFloat32Value(TAG_SHELL_LENGTH, 0)}\n");
Console.WriteLine($"initial 'STATUS_WORD' = { client.GetUint32Value(TAG_STATUS_WORD, 0)}\n");
Console.WriteLine($"initial 'PC_HEARTBEAT' = { client.GetUint8Value(TAG_PC_HEARTBEAT, 0)}\n");
Console.WriteLine($"initial 'MOVE_HOME' = { client.GetBitValue(TAG_MOVE_HOME, -1, DataTimeout)}\n");
Console.WriteLine($"initial 'LINTY' = { client.GetUint64Value(TAG_LINTY, 0)}\n");
Console.WriteLine($"initial 'CONTROL_WORD.2 (JOG_REV)' = { client.GetBitValue(TAG_CONTROL_WORD, 2, DataTimeout)}\n");
Console.WriteLine("---------------------\n");
/* now test a write */
/* TAG_CONTROL_WORD */
var controlVal = client.GetUint32Value(TAG_CONTROL_WORD, 0);
if (controlVal == 0)
controlVal = 1;
else
controlVal = controlVal * 2;
Console.WriteLine($"setting 'CONTROL_WORD' = {controlVal}\n");
client.SetUint32Value(TAG_CONTROL_WORD, 0, controlVal);
/* TAG_SHELL_LENGTH */
float shellLenVal = client.GetFloat32Value(TAG_SHELL_LENGTH, 0);
shellLenVal = shellLenVal + (float)0.25;
Console.WriteLine($"setting 'SHELL_LENGTH' = {shellLenVal}\n");
client.SetFloat32Value(TAG_SHELL_LENGTH, 0, shellLenVal);
/* TAG_STATUS_WORD */
var statusVal = client.GetUint32Value(TAG_STATUS_WORD, 0);
if (statusVal == 0)
statusVal = 1;
else
statusVal = statusVal * 2;
Console.WriteLine($"setting 'STATUS_WORD' = {statusVal}\n");
client.SetUint32Value(TAG_STATUS_WORD, 0, statusVal);
/* TAG_PC_HEARTBEAT */
byte pcHeartbeatByteVal = client.GetUint8Value(TAG_PC_HEARTBEAT, 0);
bool pcHeartbeatBitVal = Convert.ToBoolean(pcHeartbeatByteVal);
pcHeartbeatBitVal = !pcHeartbeatBitVal;
pcHeartbeatByteVal = Convert.ToByte(pcHeartbeatBitVal);
Console.WriteLine($"setting 'PC_HEARTBEAT' = {pcHeartbeatByteVal}\n");
client.SetUint8Value(TAG_PC_HEARTBEAT, 0, pcHeartbeatByteVal);
/* TAG_MOVE_HOME */
bool moveHomeVal = client.GetBitValue(TAG_MOVE_HOME, -1, DataTimeout);
moveHomeVal = !moveHomeVal;
Console.WriteLine($"setting 'MOVE_HOME' = {moveHomeVal}\n");
rc = client.SetBitValue(TAG_MOVE_HOME, -1, moveHomeVal, DataTimeout);
if (rc != Libplctag.PLCTAG_STATUS_OK)
{
LogError($"ERROR: Unable to write the 'MOVE_HOME' data! Got error code {rc}: {client.DecodeError(rc)}\n" );
return;
}
/* TAG_LINTY */
var lintyVal = client.GetUint64Value(TAG_LINTY, 0);
if (lintyVal == 0)
lintyVal = 1;
else
lintyVal = lintyVal * 2;
Console.WriteLine($"setting 'LINTY' = {lintyVal}\n");
client.SetUint64Value(TAG_LINTY, 0, lintyVal);
/* TAG_CONTROL_WORD.2 (JOG_REV) */
bool jogRevVal = client.GetBitValue(TAG_CONTROL_WORD, 2, DataTimeout);
jogRevVal = !jogRevVal;
Console.WriteLine($"setting 'CONTROL_WORD.2 (JOG_REV)' = {jogRevVal}\n");
rc = client.SetBitValue(TAG_CONTROL_WORD, 2, jogRevVal, DataTimeout);
if (rc != Libplctag.PLCTAG_STATUS_OK)
{
LogError($"ERROR: Unable to write the 'CONTROL_WORD.2 (JOG_REV)' data! Got error code {rc}: {client.DecodeError(rc)}\n" );
return;
}
foreach (var tag in tags)
{
rc = client.WriteTag(tag, DataTimeout);
if (rc != Libplctag.PLCTAG_STATUS_OK)
{
if (rc == Libplctag.PLCTAG_ERR_NOT_ALLOWED)
{
Console.WriteLine($"READ-ONLY TAG: Unable to write the '{tag.Name}' data! Got error code {rc}: {client.DecodeError(rc)}\n" );
continue;
}
LogError($"ERROR: Unable to write the '{tag.Name}' data! Got error code {rc}: {client.DecodeError(rc)}\n" );
return;
}
}
Console.WriteLine("=====================\n");
/* get the data again */
foreach (var tag in tags)
{
rc = client.ReadTag(tag, DataTimeout);
if (rc != Libplctag.PLCTAG_STATUS_OK)
{
LogError($"ERROR: Unable to read the '{tag.Name}' data! Got error code {rc}: {client.DecodeError(rc)}\n" );
return;
}
}
/* print out the data */
Console.WriteLine($"latest 'CONTROL_WORD' = { client.GetUint32Value(TAG_CONTROL_WORD, 0) }\n");
Console.WriteLine($"latest 'SHELL_LENGTH' = { client.GetFloat32Value(TAG_SHELL_LENGTH, 0) }\n");
Console.WriteLine($"latest 'STATUS_WORD' = { client.GetUint32Value(TAG_STATUS_WORD, 0) }\n");
Console.WriteLine($"latest 'PC_HEARTBEAT' = { client.GetUint8Value(TAG_PC_HEARTBEAT, 0) }\n");
Console.WriteLine($"latest 'MOVE_HOME' = { client.GetBitValue(TAG_MOVE_HOME, -1, DataTimeout) }\n");
Console.WriteLine($"latest 'LINTY' = { client.GetUint64Value(TAG_LINTY, 0) }\n");
Console.WriteLine($"latest 'CONTROL_WORD.2 (JOG_REV)' = { client.GetBitValue(TAG_CONTROL_WORD, 2, DataTimeout) }\n");
Console.WriteLine("}}}}}}}}}}}}}}}}}}}}}\n");
client.Dispose();
//Console.ReadKey();
}
static void LogError(string error)
{
Console.WriteLine(error);
Console.ReadKey();
}
}
}