frmkeyboard.frm

完整的VB和单片机系统连接的源代码

VERSION 5.00
Begin VB.Form frmKeyboard 
   BorderStyle     =   4  'Fixed ToolWindow
   Caption         =   "串口键盘"
   ClientHeight    =   2580
   ClientLeft      =   45
   ClientTop       =   285
   ClientWidth     =   2160
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2580
   ScaleWidth      =   2160
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton cmd 
      Caption         =   "关闭"
      Height          =   255
      Left            =   720
      TabIndex        =   16
      Top             =   1560
      Width           =   615
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "7"
      Height          =   375
      Index           =   7
      Left            =   0
      Style           =   1  'Graphical
      TabIndex        =   15
      TabStop         =   0   'False
      Top             =   0
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "8"
      Height          =   375
      Index           =   8
      Left            =   360
      Style           =   1  'Graphical
      TabIndex        =   14
      TabStop         =   0   'False
      Top             =   0
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "9"
      Height          =   375
      Index           =   9
      Left            =   720
      Style           =   1  'Graphical
      TabIndex        =   13
      TabStop         =   0   'False
      Top             =   0
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "4"
      Height          =   375
      Index           =   4
      Left            =   0
      Style           =   1  'Graphical
      TabIndex        =   12
      TabStop         =   0   'False
      Top             =   360
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "5"
      Height          =   375
      Index           =   5
      Left            =   360
      Style           =   1  'Graphical
      TabIndex        =   11
      TabStop         =   0   'False
      Top             =   360
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "6"
      Height          =   375
      Index           =   6
      Left            =   720
      Style           =   1  'Graphical
      TabIndex        =   10
      TabStop         =   0   'False
      Top             =   360
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "1"
      Height          =   375
      Index           =   1
      Left            =   0
      Style           =   1  'Graphical
      TabIndex        =   9
      TabStop         =   0   'False
      Top             =   720
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "2"
      Height          =   375
      Index           =   2
      Left            =   360
      Style           =   1  'Graphical
      TabIndex        =   8
      TabStop         =   0   'False
      Top             =   720
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "3"
      Height          =   375
      Index           =   3
      Left            =   720
      Style           =   1  'Graphical
      TabIndex        =   7
      TabStop         =   0   'False
      Top             =   720
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "0"
      Height          =   375
      Index           =   0
      Left            =   0
      Style           =   1  'Graphical
      TabIndex        =   6
      TabStop         =   0   'False
      Top             =   1080
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   ">"
      Height          =   375
      Index           =   10
      Left            =   720
      Style           =   1  'Graphical
      TabIndex        =   5
      TabStop         =   0   'False
      Top             =   1080
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "<"
      Height          =   375
      Index           =   11
      Left            =   360
      Style           =   1  'Graphical
      TabIndex        =   4
      TabStop         =   0   'False
      Top             =   1080
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "En"
      Height          =   375
      Index           =   12
      Left            =   1080
      Style           =   1  'Graphical
      TabIndex        =   3
      TabStop         =   0   'False
      Top             =   0
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "C"
      Height          =   375
      Index           =   13
      Left            =   1080
      Style           =   1  'Graphical
      TabIndex        =   2
      TabStop         =   0   'False
      Top             =   360
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "L"
      Height          =   375
      Index           =   14
      Left            =   1080
      Style           =   1  'Graphical
      TabIndex        =   1
      TabStop         =   0   'False
      Top             =   720
      Width           =   375
   End
   Begin VB.CommandButton cmdKey 
      Appearance      =   0  'Flat
      Caption         =   "S"
      Height          =   375
      Index           =   15
      Left            =   1080
      Style           =   1  'Graphical
      TabIndex        =   0
      TabStop         =   0   'False
      Top             =   1080
      Width           =   375
   End
   Begin VB.Timer timerKey 
      Left            =   240
      Top             =   1680
   End
End
Attribute VB_Name = "frmKeyboard"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Dim key_timer As Integer
Dim key_index As Integer
Dim color As Long

Const key_1 As Integer = 7
Const key_2 As Integer = 10


Private Sub cmdKey_Click(Index As Integer)
    cmd.SetFocus
End Sub

Private Sub Form_Load()
    timerKey.Interval = 100
    timerKey.Enabled = False
    color = cmdKey(0).BackColor
End Sub

'发送键值
Private Sub ComSendKey(ti As enum_ComSendType, v1 As Integer)
    cmdKey(key_index).BackColor = vbRed
    Call ComSendAnalize(ti, v1, 0)
End Sub

'按下
Private Sub cmdKey_MouseDown(Index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)
    key_index = Index
    Call ComSendKey(SendIs_SerialKey, Index)
    timerKey.Enabled = True
    key_timer = 0
End Sub

'松开
Private Sub cmdKey_MouseUp(Index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)
    timerKey.Enabled = False
    cmdKey(key_index).BackColor = color
End Sub


Private Sub timerkey_timer() '定时
    If key_timer >= key_2 Then
        Call ComSendKey(SendIs_SerialKey, key_index + &H80)
        key_timer = key_1
    Else
        cmdKey(key_index).BackColor = color
    End If
    key_timer = key_timer + 1
End Sub