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2016-01-12 update 1

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parallelbgls@outlook.com
2016-01-12 15:29:35 +08:00
parent 2cbd5c1e4d
commit 3d67116006
2 changed files with 7 additions and 3 deletions
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4
Modbus.Net/ModBus.Net/Siemens/SiemensTcpProtocal.cs
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@@ -37,7 +37,7 @@ namespace ModBus.Net.Siemens
public override async Task<byte[]> SendReceiveAsync(params object[] content)
{
while (!ProtocalLinker.IsConnected)
if (ProtocalLinker == null || !ProtocalLinker.IsConnected)
{
await ConnectAsync();
}
@@ -51,7 +51,7 @@ namespace ModBus.Net.Siemens
public override async Task<OutputStruct> SendReceiveAsync(ProtocalUnit unit, InputStruct content)
{
if (!ProtocalLinker.IsConnected)
if (ProtocalLinker == null || !ProtocalLinker.IsConnected)
{
if (connectTryCount > 10) return null;
return await await ConnectAsync().ContinueWith(answer => answer.Result ? base.SendReceiveAsync(unit, content) : null);