Replace STM DfuSe with command line for DFU operation

README.md

@@ -12,11 +12,11 @@ Is part of **nanoFramework** toolbox, along with other various tools that are re
 
 It makes use of several 3rd party tools:
 
-- Espressif esptool.
+- Espressif esptool
    You can find the esptool and licensing information on the repository [here](http://github.com/espressif/esptool).
-- ST DfuSe USB.
-   You can find the source, licensing information and documentation [here](https://www.st.com/en/development-tools/stsw-stm32080.html).
-- ST-LINK Utility.
+- QMKDfuSe
+   Tool based on STM DfusSe tool. You can find the source, licensing information and documentation [here](https://github.com/qmk/qmk_dfuse).
+- ST-LINK Utility
    You can find the source, licensing information and documentation [here](https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/stsw-link004.html).
 - Texas Instruments Uniflash
    You can find the Uniflash tool and licensing information [here](http://www.ti.com/tool/download/UNIFLASH).

nanoFirmwareFlasher/Exceptions/DfuFileDoesNotExistException.cs

@@ -1,4 +1,9 @@
-using System;
+//
+// Copyright (c) 2020 The nanoFramework project contributors
+// See LICENSE file in the project root for full license information.
+//
+
+using System;
 using System.Runtime.Serialization;
 
 namespace nanoFramework.Tools.FirmwareFlasher

nanoFirmwareFlasher/Exceptions/DfuOperationFailedException.cs

@@ -0,0 +1,33 @@
+//
+// Copyright (c) 2020 The nanoFramework project contributors
+// See LICENSE file in the project root for full license information.
+//
+
+using System;
+using System.Runtime.Serialization;
+
+namespace nanoFramework.Tools.FirmwareFlasher
+{
+    /// <summary>
+    /// Verification of DFU write failed.
+    /// </summary>
+    [Serializable]
+    internal class DfuOperationFailedException : Exception
+    {
+        public DfuOperationFailedException()
+        {
+        }
+
+        public DfuOperationFailedException(string message) : base(message)
+        {
+        }
+
+        public DfuOperationFailedException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        protected DfuOperationFailedException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
+    }
+}

nanoFirmwareFlasher/ExitCodes.cs

@@ -25,12 +25,6 @@ public enum ExitCodes : int
         [Display(Name = "No DFU device found. Make sure it's connected and has booted in DFU mode")]
         E1000 = 1000,
 
-        /// <summary>
-        /// Error with DFU file
-        /// </summary>
-        [Display(Name = "Error with DFU file")]
-        E1001 = 1001,
-
         /// <summary>
         /// DFU file doesn't exist
         /// </summary>

nanoFirmwareFlasher/Program.cs

@@ -515,8 +515,8 @@ static async Task RunOptionsAndReturnExitCodeAsync(Options o)
                     }
                     catch (Exception ex)
                     {
-                        // exception with DFU file
-                        _exitCode = ExitCodes.E1001;
+                        // exception with DFU operation
+                        _exitCode = ExitCodes.E1003;
                         _extraMessage = ex.Message;
                     }
                 }