Imports System.Threading

Public Class Frm485Update
    Implements IModuleForm


#Region "窗体"

    ''' <summary>
    ''' 窗体加载函数
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub Frm485Update_Load(sender As Object, e As EventArgs) Handles Me.Load
        InitDevInfo()
        InitTypeGirdInfo()

    End Sub


    ''' <summary>
    ''' 显示窗体_接口
    ''' </summary>
    ''' <param name="parentControl"></param>
    Public Sub ShowForm(parentControl As Control) Implements IModuleForm.ShowForm
        FormBorderStyle = FormBorderStyle.None      '无边框
        TopLevel = False
        Dock = DockStyle.Fill       '填满大小
        Parent = parentControl      '父容器

        Show()
    End Sub


    ''' <summary>
    ''' 发送函数
    ''' </summary>
    ''' <param name="sendPacket"></param>
    Public Sub SendData(sendPacket() As Byte)
        FrmRCU.SendData(sendPacket)     '方法1

    End Sub

#End Region


#Region "485升级"


#Region "设备表信息"

    ''' <summary>
    ''' 枚举表格设备列信息
    ''' </summary>
    Enum EnTypeColInfo
        ''' <summary> NULL </summary>
        Null
        ''' <summary> 是否选中 </summary>
        Check
        ''' <summary> 设备地址 </summary>
        DevAddr
        ''' <summary> 设备名称 </summary>
        DevName
        ''' <summary> 状态_区域 </summary>
        Status
        ''' <summary> 结果 </summary>
        Result
    End Enum


    ''' <summary> 类型表的列集合 </summary>
    Private _typeGirdCols() As String = {"0", "是否选中", "设备地址", "设备名称", "设备分区", "升级结果"}


    ''' <summary>
    ''' 初始化设备表格信息
    ''' </summary>
    Private Sub InitTypeGirdInfo()
        GrdTypeInfo.DisplayRowNumber = True
        GrdTypeInfo.ExtendLastCol = True
        GrdTypeInfo.Cols = _typeGirdCols.Length
        GrdTypeInfo.Rows = 1

        For index = 1 To _typeGirdCols.Length - 1
            With GrdTypeInfo.Cell(EnTypeColInfo.Null, index)
                .Text = _typeGirdCols(index)
                .BackColor = Color.LightGray
                .ForeColor = Color.Blue
                .Font = New Font("Arial", 8, FontStyle.Bold)
            End With
        Next

        '是否选中_文本对齐，单元格宽度
        GrdTypeInfo.Column(EnTypeColInfo.Check).CellType = FlexCell.CellTypeEnum.CheckBox
        'GrdTypeInfo.Cell(1, EnTypeColInfo.Check).Text = $"0"
        GrdTypeInfo.Column(EnTypeColInfo.Check).Alignment = FlexCell.AlignmentEnum.CenterCenter
        GrdTypeInfo.Column(EnTypeColInfo.Check).Width = 80

        '设备地址_文本对齐，单元格宽度
        GrdTypeInfo.Column(EnTypeColInfo.DevAddr).Alignment = FlexCell.AlignmentEnum.CenterCenter
        GrdTypeInfo.Column(EnTypeColInfo.DevAddr).Width = 80

        '设备名称_文本对齐，单元格宽度
        GrdTypeInfo.Column(EnTypeColInfo.DevName).Alignment = FlexCell.AlignmentEnum.CenterCenter
        GrdTypeInfo.Column(EnTypeColInfo.DevName).Width = 180

        '设备分区_文本对齐，单元格宽度
        GrdTypeInfo.Column(EnTypeColInfo.Status).Alignment = FlexCell.AlignmentEnum.CenterCenter
        GrdTypeInfo.Column(EnTypeColInfo.Status).Width = 80

    End Sub




#End Region


#Region "485升级初始化"


    ''' <summary> 设备项目列表 </summary>
    Private _devNameList() As String = {"None 485", "PB 485", "BLV_C1"}

    ''' <summary> 单包数据字节长度 </summary>
    Private _packagebyte() As String = {"128", "256", "512", "1024", "2048", "4096"}

    ''' <summary>发送数据序号</summary>
    Private _dataNumber As Byte = 0

    Const _loadFileSize As Integer = 512 * 1024
    Const _loadDataSize As Integer = 512 * 1024

    Private _LoadHexFileData(_loadFileSize - 1) As Byte
    Private _LoadDataBuff(_loadDataSize - 1) As Byte
    Private _LoadEndAddr As Integer
    Private _HexStart_C1 As Integer = 0


    ''' <summary>
    ''' 初始化设备列表
    ''' </summary>
    Private Sub InitDevInfo()
        ComboBox1.Items.Clear()
        ComboBox1.Items.AddRange(_devNameList)
        If ComboBox1.Items.Count >= 3 Then ComboBox1.SelectedIndex = 2

        ComboBox2.Items.Clear()
        ComboBox2.Items.AddRange(_packagebyte)
        If ComboBox2.Items.Count >= 3 Then ComboBox2.SelectedIndex = 2
    End Sub


    ''' <summary>
    ''' 设备类型转换
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ComboBox1.SelectedIndexChanged
        If ComboBox1.SelectedIndex = 0 Or ComboBox1.SelectedIndex = 1 Then
            If ComboBox2.Items.Count > 1 Then
                ComboBox2.SelectedIndex = 0
            End If
        End If
    End Sub


#End Region


#Region "串口固件升级组包"

    ''' <summary>
    ''' 填充串口升级包
    ''' </summary>
    ''' <param name="cmd"></param>
    ''' <param name="data"></param>
    ''' <returns></returns>
    Private Function FillSendPacket(cmd As Byte, data As Byte())
        Dim databuff As Byte()
        Select Case ComboBox1.Text
            Case _devNameList(0), _devNameList(1)
                'databuff = FillSendPacket485(cmd, data)
            Case _devNameList(2)
                databuff = FillSendPacketC1(cmd, data)
            Case Else

        End Select
        Return databuff
    End Function


    ''' <summary>
    ''' 填充C1发送包
    ''' </summary>
    ''' <param name="cmd">命令码</param>
    ''' <param name="data">Data数组</param>
    ''' <returns></returns>
    Private Function FillSendPacketC1(cmd As Byte, data As Byte())
        Dim sendNumber As Byte = GetSendNumber()    '发送序号
        Dim len(1) As Byte              '数据长度，占2个字节
        Dim dataSum As Byte             '校验和

        Dim length As Integer = 5 + data.Length
        len = IntToByteLB(length)

        Dim databuff As New List(Of Byte)
        databuff.Add(sendNumber)
        databuff.Add(cmd)
        databuff.AddRange(len)
        databuff.AddRange(data)

        dataSum = GetSumCheckMod(databuff.ToArray)
        databuff.Insert(4, dataSum)

        Return databuff.ToArray
    End Function


    ''' <summary>
    ''' 获取发送序号
    ''' </summary>
    ''' <returns></returns>
    Private Function GetSendNumber()
        _dataNumber += 1
        If _dataNumber > 15 Then
            _dataNumber = 1
        End If

        Return _dataNumber
    End Function


#End Region


    ''' <summary>
    ''' 判断设备类型
    ''' </summary>
    Private Sub SelectDevice()
        If ComboBox1.Text <> _devNameList(2) Then
            FrmRCU._isDeviceC1 = True
        Else
            FrmRCU._isDeviceC1 = False
        End If
    End Sub


    ''' <summary>
    ''' 搜索
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub BtnSearch_Click(sender As Object, e As EventArgs) Handles BtnSearch.Click
        Dim startValue As Integer = NumericUpDown1.Value
        Dim endValue As Integer = NumericUpDown2.Value

        SelectDevice()

        BtnUpdateFile.Enabled = False
        SearchData(startValue, endValue)
        BtnUpdateFile.Enabled = True
    End Sub


    ''' <summary>
    ''' 搜索数据
    ''' </summary>
    ''' <param name="startValue"></param>
    ''' <param name="endValue"></param>
    Private Sub SearchData(startValue As Integer, endValue As Integer)
        Dim cmd As Byte

        For count = 0 To 1
            If count = 0 Then
                FrmRCU.SerialPort.BaudRate = 2400
                PauseWait(1)
                cmd = &H63
            Else
                FrmRCU.SerialPort.BaudRate = CInt(FrmRCU.CboSerialBaud.Text)
                PauseWait(1)
                cmd = &H1
            End If

            For index = startValue To endValue
                If startValue > endValue Then
                    index = endValue
                End If

                Dim indexs(0) As Byte
                indexs(0) = index
                Dim sendPacket As Byte()
                If cmd = &H63 Then  'Boot区搜索
                    Dim data As Byte() = GetAppSearchData(index)
                    sendPacket = FillSendPacket(cmd, data)
                    Console.WriteLine($"Boot区搜索{index}：{ByteToString(sendPacket)}")
                ElseIf cmd = &H1 Then   'App区搜索
                    sendPacket = FillSendPacket(cmd, indexs)
                    Console.WriteLine($"App区搜索{index}：{ByteToString(sendPacket)}")
                End If

                sendPacket = FillPacket(sendPacket) '是否填充透传数据包                     
                SendData(sendPacket)    '发送数据包
            Next
        Next
    End Sub


    ''' <summary>
    ''' Boot区搜索数据
    ''' </summary>
    ''' <param name="index"></param>
    ''' <returns></returns>
    Private Function GetAppSearchData(index As Byte) As Byte()
        Dim data As New List(Of Byte)
        data.Add(index)
        data.Add(&H0)   '超时时间H
        data.Add(&H14)  '超时时间H

        Return data.ToArray
    End Function


    ''' <summary>
    ''' 搜索范围值_委托
    ''' </summary>
    ''' <param name="startValue"></param>
    ''' <param name="endValue"></param>
    Delegate Sub Delegate_SearchRangeValue_Change(ByRef startValue As Integer, ByRef endValue As Integer)

    ''' <summary>
    ''' 委托搜索范围值
    ''' </summary>
    ''' <param name="startValue"></param>
    ''' <param name="endValue"></param>
    Private Sub SearchRangeValue(ByRef startValue As Integer, ByRef endValue As Integer)
        If Me.InvokeRequired = True Then
            Dim a As New Delegate_SearchRangeValue_Change(AddressOf SearchRangeValue)
            Me.Invoke(a, New Object() {startValue, endValue})
        Else
            startValue = NumericUpDown1.Value
            endValue = NumericUpDown2.Value
        End If
    End Sub


    ''' <summary>
    ''' 选择下发文件改变
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub TextBox1_TextChanged(sender As Object, e As EventArgs) Handles TextBox1.TextChanged
        _flashData = Nothing    '重新选择，置空
    End Sub


    ''' <summary>
    ''' 选择文件
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub BtnSelectFile_Click(sender As Object, e As EventArgs) Handles BtnSelectFile.Click
        _flashData = Nothing    '重新选择，置空
        Dim dlg As New OpenFileDialog
        dlg.InitialDirectory = Application.StartupPath
        dlg.Filter = "HEX File|*.hex||"
        Dim oldPath As String = TextBox1.Text

        If IO.File.Exists(oldPath) Then
            dlg.InitialDirectory = IO.Path.GetDirectoryName(oldPath)
            dlg.FileName = oldPath
        Else
            dlg.InitialDirectory = Application.StartupPath
        End If

        If dlg.ShowDialog() = DialogResult.OK Then
            TextBox1.Text = dlg.FileName
            'BtnSelectFile.PerformClick()
        End If

        'Todo:解析Hex文件
        Dim path As String = TextBox1.Text

        ThreadPool.QueueUserWorkItem(AddressOf DealHexFile， path)
    End Sub


    ''' <summary>
    ''' 状态栏解析文本委托
    ''' 改变文本和颜色
    ''' </summary>
    ''' <param name="text"></param>
    ''' <param name="color"></param>
    ''' <param name="flg"></param>
    Delegate Sub Delegate_StateLabel_Change(text As String, color As Color, flg As Boolean)

    ''' <summary>
    ''' 状态栏解析文本
    ''' 改变文本和颜色
    ''' </summary>
    ''' <param name="text"></param>
    ''' <param name="color"></param>
    ''' <param name="flg"></param>
    Private Sub StateLabel(text As String, color As Color, flg As Boolean)
        If Me.InvokeRequired = True Then
            Dim a As New Delegate_StateLabel_Change(AddressOf StateLabel)
            Me.Invoke(a, New Object() {text, color, flg})
        Else
            TSSLbl1.ForeColor = color
            TSSLbl1.Text = text
            BtnUpdateFile.Enabled = flg
        End If
    End Sub


#Region "解析Hex文件"


    ''' <summary>
    ''' 解析Hex文件
    ''' </summary>
    ''' <param name="filePath"></param>
    Private Sub DealHexFile(filePath As String)
        StateLabel($"正在解析......", Color.Blue, False)

        Dim tmpRet As Boolean = LoadDataFromFile(filePath)
        Dim checkSum(3) As Byte
        Dim tmpStrCks As String = ""

        Dim tmpIdx As Integer = 0
        Dim tmpLineCnt As Integer = 1
        Dim tmpStrBuffer As String = ""

        Dim tmpHexValidLenght As Integer = _LoadEndAddr - _HexStart_C1

        If tmpRet Then
            For tmpIdx = _HexStart_C1 To _LoadEndAddr - 1
                tmpStrBuffer = tmpStrBuffer & HexByteStr(_LoadDataBuff(tmpIdx)) & " "
                If tmpIdx > 0 And (tmpIdx + 1) Mod 16 = 0 Then
                    tmpLineCnt = tmpLineCnt + 1

                    'Todo:加进度条显示
                    tmpStrBuffer = tmpStrBuffer & vbCrLf
                End If

            Next
            MsgBox("Hex 加载成功！" & vbCrLf &
                   "起始偏移地址 ：" & _HexStart_C1 & vbCrLf &
                   "    结束地址 ：" & _LoadEndAddr & vbCrLf &
                   "    文件长度 ：" & tmpHexValidLenght & vbCrLf
                   )

            StateLabel($"解析完成", Color.Green, True)
            _flashData = tmpStrBuffer
            Console.WriteLine($"解析出的数据：{vbCrLf}{tmpStrBuffer}")

            'GetSumCheck(_LoadDataBuff, _LoadEndAddr, checkSum)
            'tmpStrCks = HexByteStr(checkSum(3))
            'tmpStrCks = tmpStrCks & " " & HexByteStr(checkSum(2))
            'tmpStrCks = tmpStrCks & " " & HexByteStr(checkSum(1))
            'tmpStrCks = tmpStrCks & " " & HexByteStr(checkSum(0))

            'lab_HexLastModifyDate.Text = IO.File.GetLastWriteTime(Tb_HexFilePath.Text)
            'lab_HexDataLenght.Text = Format(tmpHexValidLenght, "###,###") & " Bytes"
            'lab_HexDataCks.Text = tmpStrCks
            'Me.Text = "Massduino Nano485 Loader(" & Application.ProductVersion & ")" & " - " & Tb_HexFilePath.Text
        Else
            'lab_HexDataLenght.Text = ""
            'lab_HexDataCks.Text = ""
        End If
    End Sub


    ''' <summary>
    ''' 加载hex文件数据
    ''' </summary>
    ''' <param name="path"></param>
    ''' <returns></returns>
    Private Function LoadDataFromFile(ByVal path As String) As Boolean
        Array.Clear(_LoadHexFileData, 0, _LoadHexFileData.Length)

        Try
            Dim fs As New IO.FileStream(path, IO.FileMode.Open, IO.FileAccess.Read)
            If fs.Length <= _loadFileSize Then
                fs.Read(_LoadHexFileData, 0, fs.Length)
            Else
                Return False
            End If
            fs.Close()
        Catch ex As Exception
            Return False
        End Try

        Return HexFileToData(_LoadHexFileData, _LoadDataBuff, _LoadEndAddr)
    End Function



    ''' <summary>
    ''' 解析Hex文件到Byte数组
    ''' </summary>
    ''' <param name="hexBuffer"></param>
    ''' <param name="dataBuffer"></param>
    ''' <param name="endAddr"></param>
    ''' <returns></returns>
    Private Function HexFileToData(ByVal hexBuffer() As Byte, ByVal dataBuffer() As Byte, ByRef endAddr As Integer) As Boolean
        Dim i As Integer

        '行数
        Dim LineCnt As Integer = 0
        Dim DataType_00_Idx As Integer = 0

        '清空数据缓存区域
        For i = 0 To dataBuffer.Length - 1
            dataBuffer(i) = &HFF
        Next

        '本行数据缓存
        Dim dataStrBuf(31) As Byte
        Dim dataValBuf(15) As Byte

        '首地址标记
        Dim headAddrFlag As Boolean = True

        '本行地址值
        Dim tmpLineAdd As Integer = 0

        '偏移地址 0x04 数据类型指示偏移地址
        Dim LineAddOffestBase As Integer = 0

        '结束地址
        endAddr = 0

        Dim flashAddressBuf(3) As Byte
        Dim flashAddress As Integer

        'Hex格式解析，每一行以0D 0A结束
        '文本串：:1000000000800020A500010061090100AF0001008F
        '分解为20 Bytes Hex数据
        '
        '--- | ----- | ---| ----------------------------------------------------------|----
        'Len |  ADD  |Type|                      Data                                 | CKS
        '--- | ----- | ---| ----------------------------------------------------------|----
        ' B0 | B1 B2 | B3 | B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 | B20
        ':10 | 00 00 | 00 | 00 80 00 20 A5 00 01  00  61  09  01  00  AF  00  01  00  | 8F 
        ' ---|  -----| ---| ----------------------------------------------------------|----

        '1: 每行固定以“：”开头
        '2：B0       ：数据长度
        '3：B1~B2    ：数据地址 B1为地址高位，B2为地址低位
        '4：B3       ：数据类型
        '               00' Data Record                      //数据记录
        '               01' End of File Record               //文件结束记录
        '               02' Extended Segment Address Record  //扩展段地址记录
        '               03' Start Segment Address Record     //开始段地址记录
        '               04' Extended Linear Address Record   //扩展线性地址记录
        '               05' Start Linear Address Record      //开始线性地址记录
        '5：B4~B19   ：数据内容
        '6：B20      ：校验码
        '’'''''''''''’''
        'Hex 数据首地址确认方式：将第一个00类型的数据的地址作为起始地址
        '因此，最低地址必须出现在第一个00类型数据中

        For i = 0 To hexBuffer.Length - 1
            '首先找到冒号
            If hexBuffer(i) = &H3A Then   '&H3A = ":"  
                LineCnt += 1
                'B0：数据长度
                Dim dataLen As Integer = (StrToHex(hexBuffer(i + 1)) * 16 + StrToHex(hexBuffer(i + 2)))
                If dataLen > 0 Then
                    'By：CheckSum
                    Dim checkSum As Byte = (StrToHex(hexBuffer(i + 9 + dataLen * 2)) * 16 + StrToHex(hexBuffer(i + 10 + dataLen * 2)))

                    '取出整行数据
                    Dim rowDataStrBuf(41) As Byte
                    Dim rowDataValBuf(20) As Byte
                    Dim rowLen As Integer
                    Array.Clear(rowDataStrBuf, 0, 42)
                    Array.Clear(rowDataValBuf, 0, 21)

                    rowLen = (dataLen * 2) + 10
                    Array.Copy(hexBuffer, i + 1, rowDataStrBuf, 0, rowLen)
                    StrToHex(rowDataValBuf, rowDataStrBuf, rowLen / 2)

                    Dim tempCheckSum As Byte = GetSumChecks(rowDataValBuf, rowLen / 2)

                    If tempCheckSum <> &HFF Then
                        Return False    'CheckSum校验不通过，返回错误
                    End If

                    'B4~Bx：数据内容
                    Array.Clear(dataStrBuf, 0, 32)
                    Array.Clear(dataValBuf, 0, 16)
                    Array.Copy(hexBuffer, i + 9, dataStrBuf, 0, dataLen * 2)
                    StrToHex(dataValBuf, dataStrBuf, dataLen)
                End If

                'B1~B2：取出地址位的值
                Array.Copy(hexBuffer, i + 3, flashAddressBuf, 0, 4)

                '本行地址取出来放在 flashAddress中’
                StrToHex(tmpLineAdd, flashAddressBuf)
                flashAddress = LineAddOffestBase + tmpLineAdd

                'B3：数据类型
                Dim dataType = StrToHex(hexBuffer(i + 8))
                Select Case dataType
                    Case 0  '数据记录
                        DataType_00_Idx = DataType_00_Idx + 1
                        '将第一个00类型数据的地址作为起始地址， 保存到 _HexStart_C1
                        If DataType_00_Idx = 1 Then
                            _HexStart_C1 = flashAddress
                        End If
                        Array.Copy(dataValBuf, 0, dataBuffer, flashAddress, dataLen)
                        endAddr = flashAddress + dataLen
                    Case 1      '文件结束
                        If endAddr = 0 Then
                            Return False
                        Else
                            Return True
                        End If
                    Case 2, 3, 5    '扩展段地址, 开始段地址, 开始线性地址’
                        Continue For
                    Case 4      '扩展线性地址
                        If dataLen = 2 Then
                            LineAddOffestBase = (dataValBuf(0) * 256 + dataValBuf(1)) * 65536
                        Else
                            Return False  '确认DataLen必须是2，否则报错
                        End If
                    Case Else
                        Return False
                End Select
            End If
        Next
        Return False
    End Function


    Private Function HexByteStr(hexByte As Byte) As String
        If hexByte < 16 Then
            Return "0" & Hex(hexByte)
        Else
            Return Hex(hexByte)
        End If
    End Function


    ''' <summary>
    ''' 获取和校验
    ''' </summary>
    ''' <param name="buf"></param>
    ''' <param name="len"></param>
    ''' <param name="resultBuf"></param>
    Private Sub GetSumCheck(ByVal buf() As Byte, ByVal len As UInt32, ByRef resultBuf() As Byte)
        Dim sum As Integer = 0
        Dim i As Integer = 0
        Dim j As Integer = 0
        Dim retByte As Integer

        Do
            For j = 0 To 127
                sum += buf(i + j)
                sum = sum And &HFFFFFFFF
            Next
            i += 128
        Loop Until i >= len

        retByte = sum

        resultBuf(0) = (retByte \ &H1000000) And &HFF
        resultBuf(1) = (retByte \ &H10000) And &HFF
        resultBuf(2) = (retByte \ &H100) And &HFF
        resultBuf(3) = retByte And &HFF
    End Sub


    Private Sub StrToHex(pbDest() As Byte, pbSrc() As Byte, nLen As UInt16)
        Dim h1 As Byte
        Dim h2 As Byte
        Dim s1 As Byte
        Dim s2 As Byte
        Dim i As Integer

        For i = 0 To nLen - 1
            h1 = pbSrc(2 * i)
            h2 = pbSrc(2 * i + 1)

            s1 = toupper(h1) - &H30
            If s1 > 9 Then
                s1 -= 7
            End If

            s2 = toupper(h2) - &H30
            If s2 > 9 Then
                s2 -= 7
            End If

            pbDest(i) = s1 * 16 + s2
        Next
    End Sub

    Private Sub StrToHex(ByRef pbDest As UInt16, pbSrc() As Byte)
        Dim pBufDest(1) As Byte
        Dim h1 As Byte
        Dim h2 As Byte
        Dim s1 As Byte
        Dim s2 As Byte
        Dim i As UInt16

        For i = 0 To 2 - 1
            h1 = pbSrc(2 * i)
            h2 = pbSrc(2 * i + 1)

            s1 = toupper(h1) - &H30
            If s1 > 9 Then
                s1 -= 7
            End If

            s2 = toupper(h2) - &H30
            If s2 > 9 Then
                s2 -= 7
            End If

            pBufDest(i) = s1 * 16 + s2
        Next

        'pbDest = (pBufDest(0) << 8) + pBufDest(1)
        pbDest = pBufDest(0) * 256 + pBufDest(1)
    End Sub

    Private Function StrToHex(ByVal src) As Byte
        If src >= &H30 AndAlso src <= &H39 Then
            Return (src - &H30)
        ElseIf src >= &H41 AndAlso src <= &H46 Then
            Return (src - &H41 + 10)
        ElseIf src >= &H61 AndAlso src <= &H66 Then
            Return (src - &H61 + 10)
        Else
            Return 0
        End If
    End Function

    Private Function toupper(val As Byte) As Byte
        If val >= &H61 AndAlso val <= &H7A Then
            Return (val - &H20)
        Else
            Return val
        End If
    End Function


#End Region


#Region "升级流程"

    ''' <summary>
    ''' 升级
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub BtnUpdateFile_Click(sender As Object, e As EventArgs) Handles BtnUpdateFile.Click
        SelectDevice()
        PrepareUpdate485()
    End Sub


    ''' <summary>
    ''' 获取更新设备类型委托
    ''' </summary>
    ''' <returns></returns>
    Delegate Function Delegate_GetUpdateDevType_Change()


    ''' <summary>
    ''' 获取更新设备类型
    ''' </summary>
    ''' <returns></returns>
    Public Function GetUpdateDevType()
        Dim devType As String
        If InvokeRequired = True Then
            Dim dev As New Delegate_GetUpdateDevType_Change(AddressOf GetUpdateDevType)
            Me.Invoke(dev)
        Else
            Select Case ComboBox1.Text
                Case _devNameList(0)
                    devType = _devNameList(0)
                Case _devNameList(1)
                    devType = _devNameList(1)
                Case _devNameList(2)
                    devType = _devNameList(2)
            End Select
        End If

        Return devType
    End Function


    ''' <summary> 是否准备升级 </summary>
    Public _isPrepareUpdate As Boolean


    ''' <summary>
    ''' 准备开始升级485
    ''' </summary>
    Private Sub PrepareUpdate485()
        If _isPrepareUpdate = False Then
            _isPrepareUpdate = True
            BtnUpdateFile.ForeColor = Color.Yellow
            BtnUpdateFile.Text = $"停止升级"
            TSPBar1.Value = 1
            ThreadPool.QueueUserWorkItem(AddressOf StartUpdate)
        Else
            If MsgBox("当前处于升级状态,确定结束升级?", MsgBoxStyle.YesNo, $"Tip") = MsgBoxResult.Yes Then
                _isPrepareUpdate = False
                BtnUpdateFile.ForeColor = Color.Green
                BtnUpdateFile.Text = $"开始升级"
                TSPBar1.Value = 0
                AppendTipText($"已终止升级，升级失败！" & vbCrLf, Color.Red)
            End If
        End If
    End Sub


    ''' <summary>
    ''' 开始升级
    ''' </summary>
    Private Sub StartUpdate()
        _CRC16List.Clear()

        '升级流程
        Static startValue As Integer
        Static endValue As Integer

        If GrdTypeInfo.Rows > 0 Then
            For index = 1 To GrdTypeInfo.Rows - 1
                If GrdTypeInfo.Cell(index, EnTypeColInfo.Check).Text = $"1" Then    '选中升级
                    '开始握手
                    SearchRangeValue(startValue, endValue)
                    SearchData(startValue, endValue)

                    Dim addr As Integer = GrdTypeInfo.Cell(index, EnTypeColInfo.DevAddr).Text

                    If GrdTypeInfo.Cell(index, EnTypeColInfo.Status).Text = "App" Then  '判断分区
                        FrmRCU.SerialPort.BaudRate = CInt(FrmRCU.CboSerialBaud.Text)    '设置波特率
                        JumpBootPartition(addr)    '跳转Boot区
                    End If

                    FrmRCU.SerialPort.BaudRate = 2400   '设置波特率
                    SearchPartition(addr)  '再次握手
                    SetParam(addr)         '设置参数
                    FrmRCU.SerialPort.BaudRate = CInt(FrmRCU.CboSerialBaud.Text)    '设置波特率
                    SearchPartition(addr)  '最后握手
                    EraseFlash(addr)       '擦除Flash
                    ReadFlashData(addr)    '写入数据

                    Dim devType As String = GetUpdateDevType()   '委托
                    Dim burnLen As Integer = GetFlashCheckDataLen(devType)     '根据类型确认,单包参与crc16校验数据长度
                    FlashCheck(addr, burnLen)      'Flash校验

                    '检验成功后，跳转App区
                    JumpAppPartition(addr)

                End If
            Next
        End If
    End Sub


    ''' <summary>
    ''' 搜索Boot分区
    ''' </summary>
    ''' <param name="Index">485地址</param>
    Private Sub SearchPartition(Index As Integer)
        Dim cmd As Byte = &H63
        Dim data As Byte() = GetAppSearchData(Index)
        Dim sendPacket As Byte() = FillSendPacket(cmd, data)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"搜索:{Index}-Boot分区：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包
    End Sub


    ''' <summary>
    ''' 跳转BootLoader分区
    ''' </summary>
    ''' <param name="Index">485地址</param>
    Private Sub JumpBootPartition(Index As Integer)
        Dim cmd As Byte = &H68
        Dim indexs(0) As Byte
        indexs(0) = Index
        Dim sendPacket As Byte() = FillSendPacket(cmd, indexs)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"跳转{Index}：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包
    End Sub


    ''' <summary>
    ''' 设置参数
    ''' </summary>
    ''' <param name="Index">485地址</param>
    Private Sub SetParam(Index As Integer)
        Dim cmd As Byte = &H69
        Dim zero As Byte = &H0
        Dim baud() As Byte = IntToByteHB(FrmRCU.CboSerialBaud.Text / 100)
        Dim timeout() As Byte = IntToByteLB(10)
        Dim type As Byte = GetUpdateType()

        Dim databuff As New List(Of Byte)
        databuff.Add(Index)
        databuff.AddRange(baud)
        databuff.AddRange(timeout)
        databuff.Add(type)

        Dim sendPacket As Byte() = FillSendPacket(cmd, databuff.ToArray)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"设置{Index}：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包
    End Sub


    ''' <summary>
    ''' 获取更新设备类型
    ''' </summary>
    ''' <returns></returns>
    Private Function GetUpdateType()
        Dim devType As String = GetUpdateDevType()
        Dim type As Byte
        Select Case devType
            Case _devNameList(0)    'None 485
                type = &H0
            Case _devNameList(1)    'PB 485
                type = &H1
            Case _devNameList(2)    'BLV_C1
                type = &H2
        End Select

        Return type
    End Function


    ''' <summary>
    ''' 擦除Flash
    ''' </summary>
    ''' <param name="Index">485地址</param>
    Private Sub EraseFlash(Index As Integer)
        Dim cmd As Byte = &H62
        Dim indexs(0) As Byte
        indexs(0) = Index
        Dim sendPacket As Byte() = FillSendPacket(cmd, indexs)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"擦除{Index}：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包
    End Sub


    ''' <summary>
    ''' 获取Flash数据
    ''' </summary>
    ''' <returns></returns>
    Private Function GetFlashDataByte()
        _flashData = _flashData.Replace($"{vbCrLf}", "").Replace($" ", "")
        Dim dataBuff() As Byte = GetStringToDataByte(_flashData)
        Return dataBuff
    End Function


    ''' <summary>
    ''' 写入Flash回复
    ''' </summary>
    Private _isReadFlashRelay As Boolean

    ''' <summary>
    ''' 记录重发次数
    ''' </summary>
    Public _retry As Integer = 0

    ''' <summary>
    ''' Flash数据
    ''' </summary>
    Private _flashData As String

    ''' <summary>
    ''' Flash新数据
    ''' </summary>
    Private _flashNewData As New List(Of Byte)


    ''' <summary>
    ''' 写入Flash
    ''' </summary>
    ''' <param name="index"></param>
    Private Sub ReadFlashData(index As Integer)
        '1、根据不同类型，选择不同组包方式组包，发送
        Dim devType As Byte = GetUpdateType()
        Dim dataBuff() As Byte = GetFlashDataByte()      '数据
        Dim blockCount As Integer = SubPackage(devType, dataBuff)
        Dim burnPackage() As Byte

        Dim packageNumber As Integer
        For packageNumber = 1 To blockCount
            _isReadFlashRelay = False
            burnPackage = FillBurnPackage(index, _flashNewData.ToArray, packageNumber, blockCount)
            AppendTipText($"开始发送第{packageNumber}包数据..." & vbCrLf, Color.Blue)

            burnPackage = FillPacket(burnPackage)     '是否填充透传数据包
            SendData(burnPackage)
            Console.WriteLine($"第{packageNumber}包:{ByteToString(burnPackage)}")

            'ChangePrgValue(packageNumber, blockCount, 0)

            WaitReadFlashRelay()

            If _isReadFlashRelay = True Then     '判断是回复
                If packageNumber = blockCount Then
                    AppendTipText($"写入Flash数据成功!" & vbCrLf, Color.Blue)
                    'ChangePrgAirBurnValue(0, 1)
                    Return
                End If
            Else
                _retry += 1
                If _retry <= 3 Then
                    AppendTipText($"开始重发次数：{_retry}次" & vbCrLf, Color.Blue)
                    packageNumber -= 1
                Else
                    AppendTipText($"已超出最大重发次数！" & vbCrLf, Color.Red)
                    AppendTipText($"下载失败！" & vbCrLf, Color.Red)
                    'ChangePrgAirBurnValue(0, 1)

                    _retry = 0
                    Return
                End If
            End If
        Next
    End Sub


    ''' <summary>
    ''' 根据设备地址类型分包
    ''' </summary>
    ''' <param name="devType">设备地址类型</param>
    ''' <param name="dataBuff">数据包</param>
    Private Function SubPackage(ByRef devType As Byte, ByRef dataBuff As Byte())
        Dim blockCount As Integer
        Dim packetCount As Integer = ComboBox2.Text
        Select Case devType
            Case 0      'None 485
                blockCount = GetPacketCount(128, dataBuff)
            Case 1      'PB 485
                blockCount = GetPacketCount(128, dataBuff)
            Case 2      'BLV_C1
                blockCount = GetPacketCount(packetCount, dataBuff)

                Dim fill(blockCount * packetCount - dataBuff.Length - 1) As Byte
                For index = 0 To fill.Length - 1
                    fill(index) = &HFF
                Next
                _flashNewData.AddRange(dataBuff)
                _flashNewData.AddRange(fill)

        End Select
        Return blockCount
    End Function


    ''' <summary>
    ''' 具体分包函数
    ''' 根据不同类型的包长度分包
    ''' </summary>
    ''' <param name="len">不同类型的包长</param>
    ''' <param name="dataBuff"></param>
    Private Function GetPacketCount(len As Integer, dataBuff As Byte())
        Dim blockCount As Integer = dataBuff.Length \ len
        If dataBuff.Length Mod len > 0 Then
            blockCount += 1
        End If
        Return blockCount
    End Function


    ''' <summary>
    ''' Flash校验
    ''' </summary>
    Private _CRC16List As New List(Of Byte)


    ''' <summary>
    ''' 填充写入Flash数据包
    ''' </summary>
    ''' <param name="index">485地址</param>
    ''' <param name="padData"></param>
    ''' <param name="blockIndex"></param>
    ''' <param name="blockCount"></param>
    ''' <returns></returns>
    Private Function FillBurnPackage(index As Integer, padData() As Byte, blockIndex As Integer， blockCount As Integer) As Byte()
        Dim cmd As Byte = &H60
        Dim databuff As Byte() = FillBurnAlonePackage(padData, blockIndex, blockCount)

        Dim data As New List(Of Byte)
        data.Add(index)
        data.AddRange(databuff)
        Dim sendPacket As Byte() = FillSendPacket(cmd, data.ToArray)

        Return sendPacket
    End Function


    ''' <summary>
    ''' 填充烧录单包数据
    ''' </summary>
    ''' <param name="padData"></param>
    ''' <param name="blockIndex"></param>
    ''' <param name="blockCount"></param>
    ''' <returns></returns>
    Private Function FillBurnAlonePackage(padData() As Byte, blockIndex As Integer， blockCount As Integer) As Byte()
        Dim blockPacket As New List(Of Byte)
        Dim count As Integer = ComboBox2.Text
        Dim devType As String = GetUpdateDevType()
        Select Case devType
            Case _devNameList(0), _devNameList(1)   'None 485, 'PB 485
                'If blockIndex = blockCount Then
                '    For index = 128 * (blockIndex - 1) To padData.Length - 1
                '        blockPacket.Add(padData(index))
                '    Next
                'Else
                For index = 128 * (blockIndex - 1) To 128 * blockIndex - 1
                    blockPacket.Add(padData(index))
                Next
                'End If
            Case _devNameList(2)    'BLV_C1
                'If blockIndex = blockCount Then
                '    For index = count * (blockIndex - 1) To padData.Length - 1
                '        blockPacket.Add(padData(index))
                '    Next
                'Else
                For index = count * (blockIndex - 1) To count * blockIndex - 1
                    blockPacket.Add(padData(index))
                Next
                'End If
        End Select

        Return blockPacket.ToArray
    End Function


    ''' <summary>
    ''' 获取Flash单包校验数据长度
    ''' 根据类型判断需要校验的数据长度
    ''' </summary>
    ''' <returns></returns>
    Private Function GetFlashCheckDataLen(devType As String)
        Dim burnLen As Integer      
        Select Case devType
            Case _devNameList(0), _devNameList(1)
                burnLen = 512
            Case _devNameList(2)
                burnLen = 4096
            Case Else
        End Select

        Return burnLen
    End Function


    ''' <summary>
    ''' Flash校验
    ''' </summary>
    ''' <param name="Index"></param>
    Private Sub FlashCheck(Index As Integer, burnLen As Integer)
        Dim cmd As Byte = &H67
        Dim data As Byte() = GetFlashCheck(burnLen)
        Console.WriteLine($"Flash-CRC16-{Index}：{ByteToString(data)}")

        Dim sendPacket As Byte() = FillSendPacket(cmd, data)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"校验{Index}：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包
    End Sub


    ''' <summary>
    ''' 获取Flash校验数据
    ''' </summary>
    ''' <param name="burnLen">根据类型确认,单包参与crc16校验数据长度burnLen</param>
    ''' <returns></returns>
    Private Function GetFlashCheck(burnLen As Integer)
        Dim blockCount As Integer = _flashNewData.ToArray.Length \ burnLen
        If _flashNewData.ToArray.Length Mod burnLen > 0 Then
            blockCount += 1
        End If

        For index = 0 To blockCount - 1
            Dim burnPack(burnLen - 1) As Byte
            Array.Copy(_flashNewData.ToArray, index * burnLen, burnPack, 0, burnPack.Length - 1)

            Dim crc16 As Byte() = GetCRC16CheckSum(burnPack, burnPack.Length)
            _CRC16List.AddRange(crc16)
        Next

        Return _CRC16List.ToArray
    End Function


    ''' <summary>
    ''' 跳转App区
    ''' </summary>
    ''' <param name="index"></param>
    Private Sub JumpAppPartition(index As Integer)
        Dim cmd As Byte = &H68
        Dim data(0) As Byte
        data(0) = index
        Dim sendPacket As Byte() = FillSendPacket(cmd, data)
        sendPacket = FillPacket(sendPacket) '是否填充透传数据包     
        Console.WriteLine($"跳转APP区-{index}：{ByteToString(sendPacket)}")
        SendData(sendPacket)    '发送数据包

    End Sub


    ''' <summary>
    ''' 回复超时
    ''' </summary>
    Private ReadOnly _RelayTimeout As Integer = 1000


    ''' <summary>
    ''' 等待写入Flash数据回复
    ''' </summary>
    Private Sub WaitReadFlashRelay()
        Dim tick As Integer
        Dim startTick As Integer = My.Computer.Clock.TickCount
        _isReadFlashRelay = False
        While _isReadFlashRelay = False AndAlso tick <= _RelayTimeout
            Thread.Sleep(100)
            tick = My.Computer.Clock.TickCount - startTick
            Application.DoEvents()
        End While
    End Sub


    ''' <summary>
    ''' 升级设备列表总数
    ''' </summary>
    Public _devUpdateCount As Integer = 1

    ''' <summary>
    ''' 搜索分区委托
    ''' </summary>
    Delegate Sub delegate_SearchPartition_Change()


    ''' <summary>
    ''' 搜索分区委托
    ''' 刷新设备列表
    ''' </summary>
    Public Sub SearchPartition()
        If InvokeRequired = True Then
            Dim dev As New delegate_SearchPartition_Change(AddressOf SearchPartition)
            Me.Invoke(dev)
        Else
            For Each key As String In _upgradeDevList.Keys
                GrdTypeInfo.AddItem("")
                GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.DevAddr).Text = _upgradeDevList(key).DevAddress
                GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.DevName).Text = _upgradeDevList(key).DevName
                GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.Status).Text = _upgradeDevList(key).DevPartition
                GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.Result).Text = _upgradeDevList(key).DevResult

                _devUpdateCount += 1
            Next
        End If
    End Sub



    ''' <summary>
    ''' 搜索分区委托
    ''' 刷新设备列表
    ''' </summary>
    ''' <param name="devAddr"></param>
    ''' <param name="devName"></param>
    ''' <param name="devPartition"></param>
    Delegate Sub delegate_SearchPartitionDevList_Change(devAddr As String, devName As String, devPartition As String)


    ''' <summary>
    ''' 刷新设备列表信息
    ''' 局部刷新_委托
    ''' </summary>
    ''' <param name="devAddr"></param>
    ''' <param name="devName"></param>
    ''' <param name="devPartition"></param>
    Public Sub RefreshSearchPartitionDevList(devAddr As String, devName As String, devPartition As String)
        If InvokeRequired = True Then
            Dim dev As New delegate_SearchPartitionDevList_Change(AddressOf RefreshSearchPartitionDevList)
            Me.Invoke(dev, New Object() {devAddr, devName, devPartition})
        Else
            GrdTypeInfo.AddItem("")
            GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.DevAddr).Text = devName
            GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.DevName).Text = devName
            GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.Status).Text =  devPartition
            GrdTypeInfo.Cell(_devUpdateCount, EnTypeColInfo.Result).Text = $"未升级"

            _devUpdateCount += 1
        End If
    End Sub











#End Region



#End Region



#Region "添加记录"

    ''' <summary>
    ''' 添加记录
    ''' </summary>
    ''' <param name="recordString"></param>
    ''' <param name="col"></param>
    Private Sub AppendTipText(recordString As String, col As Color)
        If InvokeRequired Then
            Invoke(New Action(Sub()
                                  FrmRCU.AppendTipText(recordString, col)
                              End Sub))
        Else
            FrmRCU.AppendTipText(recordString, col)
        End If
    End Sub


    ''' <summary>
    ''' 测试
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        'GetFlashDataByte()
        'JumpBootPartition(&H01)
        'SearchPartition(&H01)
        'SetParam(&H01)
        'EraseFlash(&H01)
        'GetFlashDataByte()
        'FlashCheck(&H1, 2048)
        'JumpAppPartition(&H01)

    End Sub



#End Region


































End Class