Visual Basic 6.0¶

Dim id As Long
Dim result As Long

Private Sub ResultShow(ByVal title As String, ByVal resultCode As Long)
    Dim resultString As String
    Call YdxCnvResultToString(resultCode, resultString)
    Select Case resultCode
        Case 0, Ydx.YDX_RESULT_AI_EXCEED_DATA_NUM, Ydx.YDX_RESULT_AI_EXCEED_BUF_SIZ
            MsgBox resultString, vbInformation, title
        Case Else
            MsgBox resultString, vbCritical, title
    End Select
End Sub

Private Sub Form_Load()
    ' ユニット識別スイッチ
    cboUnitSwitch.AddItem "0"
    cboUnitSwitch.AddItem "1"
    cboUnitSwitch.AddItem "2"
    cboUnitSwitch.AddItem "3"
    cboUnitSwitch.AddItem "4"
    cboUnitSwitch.AddItem "5"
    cboUnitSwitch.AddItem "6"
    cboUnitSwitch.AddItem "7"
    cboUnitSwitch.AddItem "8"
    cboUnitSwitch.AddItem "9"
    cboUnitSwitch.AddItem "A"
    cboUnitSwitch.AddItem "B"
    cboUnitSwitch.AddItem "C"
    cboUnitSwitch.AddItem "D"
    cboUnitSwitch.AddItem "E"
    cboUnitSwitch.AddItem "F"
    cboUnitSwitch.ListIndex = 0

    ' 型名
    cboModelName.AddItem "AIO-64/4/1B-USC"
    cboModelName.AddItem "AIO-04/4/1B-USC"
    cboModelName.ListIndex = 0
End Sub

Private Sub cmdOpen_Click()
    result = YdxOpen(cboUnitSwitch.ListIndex, cboModelName.Text, 0, id)
    If result <> 0 Then
        Call ResultShow("YdxOpen", result)
    Else
        cboUnitSwitch.Enabled = False
        cboModelName.Enabled = False
        Call ResultShow("オープン", result)
    End If
End Sub

Private Sub cmdStart_Click()
    Dim result As Long

    ' データバッファの設定
    result = YdxAoSetBuffer(id, 0)   ' FIFOバッファ
    If result <> 0 Then
        Call ResultShow("YdxAoSetBuffer", result)
        Exit Sub
    End If

    ' チャネルの設定
    Const CHANNEL_NUM As Long = 4  ' 4チャネルを有効にする
    Dim channel As Long
    For channel = 0 To CHANNEL_NUM - 1
        result = YdxAoSetChannel(id, channel, 1)
        If result <> 0 Then
            Call ResultShow("YdxAoSetChannel", result)
            Exit Sub
        End If
    Next

    ' サンプリングクロックの設定
    result = YdxAoSetClock(id, 0)    ' 内部クロック
    If result <> 0 Then
        Call ResultShow("YdxAoSetClock", result)
        Exit Sub
    End If

    ' 内部クロック周期の設定
    result = YdxAoSetClockInternal(id, 1000) ' 1000μsec
    If result <> 0 Then
        Call ResultShow("YdxAoSetClockInternal", result)
        Exit Sub
    End If

    ' データの設定
    Const SAMPLE_NUM As Long = 1000  ' サンプル数
    Dim data(SAMPLE_NUM * CHANNEL_NUM) As Single   ' データ個数は、サンプル数 * 有効チャネル数
    Dim i As Long
    For i = 0 To SAMPLE_NUM - 1
        Dim waveData As Single
        waveData = 10 * Math.Sin(2 * 3.14159265358979 * i / SAMPLE_NUM)   ' 正弦波
        For channel = 0 To CHANNEL_NUM - 1
            data(i * CHANNEL_NUM + channel) = waveData
        Next
    Next

    result = YdxAoSetDataVolt(id, SAMPLE_NUM, data(0))
    If result <> 0 Then
        Call ResultShow("YdxAoSetDataVolt", result)
        Exit Sub
    End If

    ' サンプリング開始条件の設定
    result = YdxAoSetStartCondition(id, 0, 0)   ' ソフトウェア
    If result <> 0 Then
        Call ResultShow("YdxAoSetStartCondition", result)
        Exit Sub
    End If

    ' サンプリング停止条件の設定
    result = YdxAoSetStopCondition(id, 0, 0)    ' データ終了
    If result <> 0 Then
        Call ResultShow("YdxAoSetStopCondition", result)
        Exit Sub
    End If

    ' アナログ出力動作を開始
    result = YdxAoStart(id)
    If result <> 0 Then
        Call ResultShow("YdxAoStart", result)
        Exit Sub
    End If

    ' 動作終了待ち
    Dim status, sampleCount, repeatCount, notOutNum As Long
    '動作中ステータスがOFFになるまでポーリング
    Do
        DoEvents

        'ステータスの取得
        result = YdxAoGetStatus(id, status, sampleCount, repeatCount, notOutNum)
        If result <> 0 Then
            Call ResultShow("YdxAoGetStatus", result)
            Exit Sub
        End If

        txtStatus.Text = Right("0000000" & Hex(status), 8) & "h"
        txtSampleCount.Text = Format(sampleCount)
        txtRepeatCount.Text = Format(repeatCount)
        txtNotOutNum.Text = Format(notOutNum)

        If (status And YDX_STATUS_COMMUNICATE_ERR) <> 0 Then
            MsgBox "通信エラーが発生しました", vbCritical
            Exit Sub
        End If

        If (status And YDX_STATUS_HARDWARE_ERR) <> 0 Then
            MsgBox "ハードウェアエラーが発生しました", vbCritical
            Exit Sub
        End If

        If (status And YDX_STATUS_SAMPLE_CLOCK_ERR) <> 0 Then
            MsgBox "サンプリングクロックエラーが発生しました", vbCritical
            Exit Sub
        End If
    Loop While (status And YDX_STATUS_BUSY) <> 0
    Call ResultShow("アナログ出力", 0)
End Sub

Private Sub cmdClose_Click()
    cboUnitSwitch.Enabled = True
    cboModelName.Enabled = True
    result = YdxClose(id)
    If result <> 0 Then
        Call ResultShow("YdxClose", result)
    Else
        Call ResultShow("クローズ", result)
    End If
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
    result = YdxClose(id)
    If result <> 0 And result <> YDX_RESULT_NOT_OPEN Then
        Call ResultShow("YdxClose", result)
    End If
End Sub