ch340芯片usb转串口使用频繁断线，懂得帮忙看看，谢谢了

kxch12345 2011-03-25 04:12:53

ch340芯片usb转串口使用时：
1.在有些电脑上会频繁断线，有些电脑上则不会
2.出现的操作系统有winxp和win2000，别的没有测试
3.出现的频率在不同的电脑上不太一样，最多的一天十几次，很多的都是平均一天一次，使用时间是早上8点到晚上5点

第一次发帖求助，非常谢谢大家帮忙看看

使用的驱动如下：



; CH341SER.INF

; Driver for CH341 (USB=>SERIAL chip) V2.6

; WDM&VXD for Windows 98/ME/2000/XP

; Copyright (C) W.ch 2001-2007

;



[Version]

Signature = "$Chicago$"

Class     = Ports

ClassGuid = {4D36E978-E325-11CE-BFC1-08002BE10318}

Provider  = %WinChipHead%

DriverVer = 03/16/2007, 2.6.2007.03



[ControlFlags]

ExcludeFromSelect = USB\VID_1A86&PID_7523

ExcludeFromSelect = USB\VID_1A86&PID_5523

ExcludeFromSelect = USB\VID_4348&PID_5523

ExcludeFromSelect = USB\VID_4348&PID_5523&REV_0250

ExcludeFromSelect = USBSERPORT\SER5523

ExcludeFromSelect = CH341PORT\SER5523



[Manufacturer]

%WinChipHead% = WinChipHead



[WinChipHead]

%CH340SER.DeviceDesc% = CH341SER_Install, USB\VID_1A86&PID_7523

%CH341ASER.DeviceDesc% = CH341SER_Install, USB\VID_1A86&PID_5523

%CH341SER.DeviceDesc% = CH341SER_Install, USB\VID_4348&PID_5523

%CH340SER.DeviceDesc% = CH341SER_Install, USB\VID_4348&PID_5523&REV_0250

%CH341S98.DeviceDesc% = CH341S98_Install, USBSERPORT\SER5523

%CH341S98.DeviceDesc% = CH341S98_Install, CH341PORT\SER5523



[CH341SER_Install]

DelFiles  = CH341S98.DelFiles.SYS

CopyFiles = CH341SER.CopyFiles.SYS, CH341SER.CopyFiles.DLL

AddReg    = CH341SER.9X.AddReg, CH341SER.AddReg



[CH341SER_Install.NT]

CopyFiles = CH341SER.NT.CopyFiles.SYS, CH341SER.CopyFiles.DLL

AddReg    = CH341SER.NT.AddReg, CH341SER.AddReg



[CH341SER_Install.NT.HW]

AddReg    = CH341SER.NT.HW.AddReg



[CH341S98_Install]

DelFiles  = CH341S98.DelFiles.SYS

CopyFiles = CH341S98.CopyFiles.VXD, CH341SER.CopyFiles.SYS

AddReg    = CH341S98.9X.AddReg, CH341S98.AddReg



[CH341S98_Install.NT]



[CH341S98.DelFiles.SYS]

CH341S98.SYS, , , 1



[CH341SER.CopyFiles.SYS]

CH341S98.SYS, , , 2



[CH341SER.NT.CopyFiles.SYS]

CH341SER.SYS, , , 2



[CH341S98.CopyFiles.VXD]

CH341SER.VXD, , , 2



[CH341SER.CopyFiles.DLL]

CH341PT.DLL, , , 2

;安装DLL是可选的,DLL可以用于识别CH341端口和监视CH341端口的插拔事件



[CH341SER.9X.AddReg]

HKR, , DevLoader, , *NTKERN

HKR, , NTMPDriver, , CH341S98.SYS



[CH341SER.NT.AddReg]

HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"



[CH341SER.NT.HW.AddReg]

HKR,,"UpperFilters",0x00010000,"serenum"

;上面这行用于枚举接在串口的即插即用设备,启动时将产生DTR和RTS信号,如果需要枚举,请将上面这行的分号去掉



[CH341S98.9X.AddReg]

HKR, , DevLoader, , *vcomm

HKR, , PortDriver, , CH341SER.VXD

HKR, , Contention, , *vcd

HKR, , ConfigDialog, , serialui.dll

HKR, , DCB, 3, 1C,00,00,00, 80,25,00,00, 11,00,00,00, 00,00,0A,00, 0A,00,08,00, 00,11,13,00, 00,00,00,00

HKR, , PortSubClass, 1, 01

HKR, , EnumPropPages, , "serialui.dll,EnumPropPages"

HKR, , Enumerator, , serenum.vxd

;上面这行用于枚举接在串口的即插即用设备,启动时将产生DTR和RTS信号,如果需要枚举,请将上面这行的分号去掉



[CH341SER.AddReg]

HKLM, SOFTWARE\WinChipHead\IC\CH341SER, WDM, 0x00010001, 0x00000026

HKLM, SOFTWARE\WinChipHead\IC\CH341PORT, DLL, 0x00010001, 0x00000010

HKLM, SOFTWARE\WinChipHead\IC\CH341SER, Function, , "USB=>Serial"

;HKLM, SYSTEM\CurrentControlSet\Services\CH341SER, UserRemoval, 0x00010001, 0x00000001

;上面这行用于在系统托盘中显示“安全删除USB转SERIAL硬件设备”，便于用户手工删除硬件



[CH341S98.AddReg]

HKLM, SOFTWARE\WinChipHead\IC\CH341SER, VXD, 0x00010001, 0x00000022



[CH341SER_Install.NT.Services]

AddService = CH341SER, 2, CH341SER.Service



[CH341SER.Service]

DisplayName   = "CH341SER"

ServiceType   = 1

StartType     = 3

ErrorControl  = 1

ServiceBinary = %10%\System32\Drivers\CH341SER.SYS



[DestinationDirs]

DefaultDestDir      = 10, System32\Drivers

CH341S98.DelFiles.SYS = 11

CH341SER.CopyFiles.SYS = 10, System32\Drivers

CH341SER.NT.CopyFiles.SYS = 10, System32\Drivers

CH341S98.CopyFiles.VXD = 11

CH341SER.CopyFiles.DLL = 11



[SourceDisksFiles]

CH341SER.SYS  = 1

CH341S98.SYS  = 1

CH341SER.VXD  = 1



[SourceDisksNames]

1 = "CH341 Serial Installation Disk", CH341SER.INF, ,



[Strings]

WinChipHead      = "wch.cn"

CH341SER.DeviceDesc = "USB-SERIAL CH341"

CH341S98.DeviceDesc = "USB-SERIAL CH341"

CH340SER.DeviceDesc = "USB-SERIAL CH340"

CH341ASER.DeviceDesc = "USB-SERIAL CH341A"