高手帮看地磅接收程序!分不多,在线等!
数据为9位ASCII码方式输出,每帧数据共有9组组成(包括小数点),每组数据由10位组成,第一位为起始位第十位为停止位,中间8位为数据位,数据传送先低位后高位,每帧数据间有一组是分隔符“=”,重为89.03,数据连续发送30.98000=30.98000=......... 程序如下:(但是出来的是乱码)
Private Sub Command1_Click() '开始接收
Label1.Caption = ""
strwight = ""
With MSComm1
If .PortOpen Then
.PortOpen = False
End If
.CommPort = 1
.Settings = "2400,n,8,1 "
'.InputLen = 1
.InBufferSize = 1024
.InputMode = comInputModeText
' .InputMode = comInputModeBinary
.RThreshold = 9
.PortOpen = True
End With
End Sub
Private Sub MSComm1_OnComm()
Dim bytInput() As Byte
Dim intInputLen As Integer
Select Case Me.MSComm1.CommEvent
Case comEvReceive
'此处添加处理接收的代码
'intInputLen = Me.MSComm5.InBufferCount
strData = Me.MSComm1.Input
Dim i As Integer
Label1.Caption = strData
If Len(strData) = 9 And Mid(strData, 9, 1) = "=" Then
Label1.Caption = StrReverse(strData)
End If
strData = ""
End Select
End Sub
Private Sub Command2_Click() '停止接收
If MSComm1.PortOpen = True Then
MSComm1.PortOpen = False
End If
End Sub
下面是用超级终端读出来的前部份资料(前面是乱码最后面也是乱码只有中间的不会):
HyperTerminal 1.0 -- HyperTerminal data file
Please do not attempt to modify this file directly.
e xV4 H d ANSI ? 鴙, ?tg新建连接 & 稦tg & 灶 鴙, 搭 * 茴 稦tg * x_ 鴙, `_ 茴 ?tg鴙, -dsg * x_ " < ? 新宋体 # $ d A V B 0316 C D 衭!ZF G H COM1 Q R ) * 2? = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0
- = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0
0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0
0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 .
0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0
. 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5
0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0
5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - =
0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 -
= 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0
- = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0
0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0
0 0 - = 0 5 0 . 0 0 0 - = 0 5 0 . 0 0 0 - = 0 5 4 . 0 0 0 0 = 0 0 0 . 1 0 0 0