Question

VB读取串口数据乱码。求指导

Private Sub Form_Load() '初始化
MSComm1.Settings = "9600,N,8,1"
MSComm1.InputMode = 0
MSComm1.RThreshold = 1
MSComm1.SThreshold = 0
MSComm1.InBufferSize = 1024
MSComm1.OutBufferSize = 512
MSComm1.InBufferCount = 0
MSComm1.OutBufferCount = 0
Combo1.AddItem "COM1"
Combo1.AddItem "COM2"
Combo1.AddItem "COM3"
Combo1.AddItem "COM4"
Combo1.AddItem "COM5"

Picture1.Scale (-100, 100)-(100, -100)
Command1.Caption = "采集数据"
Command2.Caption = "打开串口"
Timer1.Interval = 1000
Timer2.Interval = 1000
Timer2.Enabled = False
End Sub

Answer 1

同意 1 楼的

有可能 是 扫描枪读到的条形码数据 为 ascii 码

这样，你 接收数据 方式 也 应该 一直，即
MSComm1.InputMode = comInputModeText

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Visual_Basic与_RS-232_串行通信控制

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