From 64ec2faeb3aa181f71cff0e99f052e8fc5170df4 Mon Sep 17 00:00:00 2001
From: DerekGn <dg89327@hotmail.com>
Date: Mon, 25 Jan 2021 16:08:36 +0000
Subject: [PATCH] updated transmit method

---
 RfmOTA/RfmOTA/Ota/OtaService.cs |  2 +-
 RfmOta/RfmOta/Rfm/IRfmUsb.cs    |  2 +-
 RfmOta/RfmOta/Rfm/RfmUsb.cs     | 24 ++++++++++++++++++++++--
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/RfmOTA/RfmOTA/Ota/OtaService.cs b/RfmOTA/RfmOTA/Ota/OtaService.cs
index 36cf614..12d7a6e 100644
--- a/RfmOTA/RfmOTA/Ota/OtaService.cs
+++ b/RfmOTA/RfmOTA/Ota/OtaService.cs
@@ -300,7 +300,7 @@ private void SendRequest(IList<byte> request, [CallerMemberName] string memberNa
             {
                 sw.Start();
 
-                _rfmUsb.Transmit(request, 1000);
+                _rfmUsb.Transmit(request);
             }
             finally
             {
diff --git a/RfmOta/RfmOta/Rfm/IRfmUsb.cs b/RfmOta/RfmOta/Rfm/IRfmUsb.cs
index 3957816..ee74f81 100644
--- a/RfmOta/RfmOta/Rfm/IRfmUsb.cs
+++ b/RfmOta/RfmOta/Rfm/IRfmUsb.cs
@@ -56,7 +56,7 @@ internal interface IRfmUsb : IDisposable
         /// </summary>
         /// <param name="data">The data to transmit</param>
         /// <param name="timeout">The timeout in milliseconds to wait for a response</param>
-        void Transmit(IList<byte> data, int timeout);
+        void Transmit(IList<byte> data);
         void SetDioMapping(Dio dio, DioMapping mapping);
     }
 }
diff --git a/RfmOta/RfmOta/Rfm/RfmUsb.cs b/RfmOta/RfmOta/Rfm/RfmUsb.cs
index 1915837..bb75ebd 100644
--- a/RfmOta/RfmOta/Rfm/RfmUsb.cs
+++ b/RfmOta/RfmOta/Rfm/RfmUsb.cs
@@ -179,9 +179,29 @@ public IList<byte> TransmitReceive(IList<byte> data, int timeout)
             } while (true);
         }
         ///<inheritdoc/>
-        public void Transmit(IList<byte> data, int timeout)
+        public void Transmit(IList<byte> data)
         {
-            SendCommand($"e-tx {BitConverter.ToString(data.ToArray()).Replace("-", string.Empty)} {timeout}");
+            int retries = RetryCount;
+
+            do
+            {
+                var response = SendCommand($"e-tx {BitConverter.ToString(data.ToArray()).Replace("-", string.Empty)}");
+
+                if (response.Contains("TX") || response.Contains("RX"))
+                {
+                    if (retries == 0)
+                    {
+                        throw new RfmUsbTransmitException($"Packet transmission failed: [{response}]");
+                    }
+
+                    retries--;
+                }
+                else
+                {
+                    break;
+                }
+
+            } while (true);
         }
         ///<inheritdoc/>
         public void SetDioMapping(Dio dio, DioMapping mapping)