发送16进制数直接发送就可以 Dim vSend As Variant vSend = &HEF
If MSComm1.PortOpen Then
MSComm1.Output = vSend
Else
MSComm1.PortOpen = True
MSComm1.Output = vSend
End If Do While (MSComm1.OutBufferCount <> 0)
Loop如果发送的数据是以组为单位,则定义一个 byte 数组。把数组赋值后,把数组头赋值给Variant变量发送就行
If MSComm1.PortOpen Then
MSComm1.Output = vSend
Else
MSComm1.PortOpen = True
MSComm1.Output = vSend
End If Do While (MSComm1.OutBufferCount <> 0)
Loop如果发送的数据是以组为单位,则定义一个 byte 数组。把数组赋值后,把数组头赋值给Variant变量发送就行
Dim bSend(0 To 5) As Byte bSend(0) = &H1
bSend(1) = &H2
bSend(2) = &H3
bSend(3) = &H4
bSend(4) = &H5
bSend(5) = &H6 vSend = bSend
If MSComm1.PortOpen Then
MSComm1.Output = vSend
Else
MSComm1.PortOpen = True
MSComm1.Output = vSend
End If
Do While (MSComm1.OutBufferCount <> 0)
Loop