使用VB进行通过串口读写flash memery的代码和时序请教 串口, 时序, memery, flash, 代码

pingzju.li

 

qy4a的片子

如果我想读某个flash地址里的数据,是不是可以这样写:

Private Sub Receive_Click()

 Dim i As Integer
 Dim d1 As Long
 Dim ten As Long
 Dim shiliu As String
 

    
   
'发送读指令
 
 
  Dim readCommand(1) As Byte
  readCommand(0) = &H4A
  MSComm1.Output = readCommand
  'txtReceive.Text = readCommand(0)
    '延时等待
  d1 = Timer()

    Do
      DoEvents
    Loop Until Timer() - d1 > 1.15

 

'发送高位地址

  ReDim SendData(1)
   ten = CLng("&H" & txtReceiveHigh.Text)
   shiliu = Hex$(ten)
   SendData() = shiliu
   MSComm1.Output = SendData
   'txtReceive.Text = SendData

    '延时等待
   d1 = Timer()
     Do
       DoEvents
     Loop Until Timer() - d1 > 1.15
   
   
'发送低位地址

   ten = CLng("&H" & txtReceiveLow.Text)
   shiliu = Hex$(ten)
   SendData() = shiliu
   MSComm1.Output = SendData
   'txtReceive.Text = SendData

   '延时等待
   d1 = Timer()
     Do
       DoEvents
     Loop Until Timer() - d1 > 1.15
   
   
   
'接收读取数据
  
  
   ReDim ReceiveData(1)
   ReceiveData = MSComm1.Input
   txtReceive.Text = ReceiveData
   'If txtReceive = "" Then MsgBox "没有收到有效数据"

 

这样行嘛??

jyqlkn

你这样说我不明白，你想要干什么？单片机的程序是怎么样的？