Cercavo un modo per riutilizzare il cavo convertitore RS232 to logic level.


Ho scovato questo adattatore USB2.0 TO RS232 al negozio cinese che ho vicino casa ad una manciata di euro. L'involucro plastico semitrasparente è blu. Risulta compatibile col cavo seriale artigianale che necessita, per funzionare con l'adattatore, della presenza di tutti i collegamenti sul connettore della console seriale sulla scheda del dispositivo, quindi anche quello dell'alimentazione a +3,3 V.

USB-SERIAL CH340
Scheda tecnica compatibile (inglese)
Schemi logici e circuito (cinese)
Driver MAC/Linux/Android
Driver v3.4.2014.8 08/08/2014 Win7 32/64bit | Installazione manuale su Win8/10
; CH341SER.INF
; Driver for CH341 (USB=>SERIAL chip) V3.4
; WDM&VXD for Windows 98/Me/2000/XP/Server2003/Vista/64bit Vista/Server2008/Win7/64bit Win7
; Copyright (C) W.ch 2001-2014
;
[Version]
Signature = "$Chicago$"
Class = Ports
ClassGuid = {4D36E978-E325-11CE-BFC1-08002BE10318}
Provider = %WinChipHead%
DriverVer = 08/08/2014, 3.4.2014.08
CatalogFile = CH341SER.CAT
[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,NT,NTamd64,NTia64
[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
[WinChipHead.NT]
%CH340SER.DeviceDesc% = CH341SER_Install.NT, USB\VID_1A86&PID_7523
%CH341ASER.DeviceDesc% = CH341SER_Install.NT, USB\VID_1A86&PID_5523
%CH341SER.DeviceDesc% = CH341SER_Install.NT, USB\VID_4348&PID_5523
%CH340SER.DeviceDesc% = CH341SER_Install.NT, USB\VID_4348&PID_5523&REV_0250
[WinChipHead.NTamd64]
%CH340SER.DeviceDesc% = CH341SER_Inst.NTamd64, USB\VID_1A86&PID_7523
%CH341ASER.DeviceDesc% = CH341SER_Inst.NTamd64, USB\VID_1A86&PID_5523
%CH341SER.DeviceDesc% = CH341SER_Inst.NTamd64, USB\VID_4348&PID_5523
%CH340SER.DeviceDesc% = CH341SER_Inst.NTamd64, USB\VID_4348&PID_5523&REV_0250
[WinChipHead.NTia64]
%CH340SER.DeviceDesc% = CH341SER_Inst.NTia64, USB\VID_1A86&PID_7523
%CH341ASER.DeviceDesc% = CH341SER_Inst.NTia64, USB\VID_1A86&PID_5523
%CH341SER.DeviceDesc% = CH341SER_Inst.NTia64, USB\VID_4348&PID_5523
%CH340SER.DeviceDesc% = CH341SER_Inst.NTia64, USB\VID_4348&PID_5523&REV_0250
[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
[CH341SER_Inst.NTamd64]
CopyFiles = CH341SER.NT.CopyFiles.SYSA64
AddReg = CH341SER.NT.AddReg, CH341SER.AddReg
[CH341SER_Inst.NTamd64.HW]
AddReg = CH341SER.NT.HW.AddReg
[CH341SER_Inst.NTia64]
CopyFiles = CH341SER.NT.CopyFiles.SYSI64
AddReg = CH341SER.NT.AddReg, CH341SER.AddReg
[CH341SER_Inst.NTia64.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
[CH341SER.NT.CopyFiles.SYSA64]
CH341S64.SYS, , , 2
[CH341SER.NT.CopyFiles.SYSI64]
;CH341I64.SYS, , , 2
[CH341S98.CopyFiles.VXD]
CH341SER.VXD, , , 2
[CH341SER.CopyFiles.DLL]
CH341PT.DLL, , , 2
;°²×°DLLÊÇ¿ÉÑ¡µÄ,DLL¿ÉÒÔÓÃÓÚʶ±ðCH341¶Ë¿ÚºÍ¼àÊÓCH341¶Ë¿ÚµÄ²å°Îʼþ
[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"
;ÉÏÃæÕâÐÐÓÃÓÚö¾Ù½ÓÔÚ´®¿ÚµÄ¼´²å¼´ÓÃÉ豸,Æô¶¯Ê±½«²úÉúDTRºÍRTSÐźÅ,Èç¹ûÐèҪö¾Ù,Ç뽫ÉÏÃæÕâÐеķֺÅÈ¥µô
[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
;ÉÏÃæÕâÐÐÓÃÓÚö¾Ù½ÓÔÚ´®¿ÚµÄ¼´²å¼´ÓÃÉ豸,Æô¶¯Ê±½«²úÉúDTRºÍRTSÐźÅ,Èç¹ûÐèҪö¾Ù,Ç뽫ÉÏÃæÕâÐеķֺÅÈ¥µô
[CH341SER.AddReg]
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, WDM, 0x00010001, 0x00000034
HKLM, SOFTWARE\WinChipHead\IC\CH341PORT, DLL, 0x00010001, 0x00000010
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, Function, , "USB=>Serial"
;HKLM, SYSTEM\CurrentControlSet\Services\CH341SER, UserRemoval, 0x00010001, 0x00000001
;ÉÏÃæÕâÐÐÓÃÓÚÔÚϵͳÍÐÅÌÖÐÏÔʾ¡°°²È«É¾³ýUSBתSERIALÓ²¼þÉ豸¡±£¬±ãÓÚÓû§ÊÖ¹¤É¾³ýÓ²¼þ
[CH341S98.AddReg]
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, VXD, 0x00010001, 0x00000023
[CH341SER_Install.NT.Services]
AddService = CH341SER, 2, CH341SER.Service
AddService = Serenum, , Serenum_Service_Inst
[CH341SER_Inst.NTamd64.Services]
AddService = CH341SER_A64, 2, CH341SER.ServiceA64
AddService = Serenum, , Serenum_Service_Inst
[CH341SER_Inst.NTia64.Services]
AddService = CH341SER_I64, 2, CH341SER.ServiceI64
AddService = Serenum, , Serenum_Service_Inst
[CH341SER.Service]
DisplayName = "CH341SER"
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %10%\System32\Drivers\CH341SER.SYS
[CH341SER.ServiceA64]
DisplayName = "CH341SER_A64"
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %10%\System32\Drivers\CH341S64.SYS
[CH341SER.ServiceI64]
DisplayName = "CH341SER_I64"
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %10%\System32\Drivers\CH341I64.SYS
[Serenum_Service_Inst]
DisplayName = "SerEnum"
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %12%\serenum.sys
LoadOrderGroup = PNP Filter
[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
CH341SER.NT.CopyFiles.SYSA64 = 10, System32\Drivers
;CH341SER.NT.CopyFiles.SYSI64 = 10, System32\Drivers
[SourceDisksFiles]
CH341SER.SYS = 1
CH341S98.SYS = 1
CH341SER.VXD = 1
CH341PT.DLL = 1
CH341S64.SYS = 1
;CH341I64.SYS = 1
[SourceDisksNames]
1 = %DISK_NAME%, , ,
[SourceDisksNames.amd64]
1 = %DISK_NAME%, , ,
[SourceDisksNames.ia64]
1 = %DISK_NAME%, , ,
[Strings]
WinChipHead = "wch.cn"
CH341SER.DeviceDesc = "USB-SERIAL CH341"
CH341S98.DeviceDesc = "USB-SERIAL CH341"
CH340SER.DeviceDesc = "USB-SERIAL CH340"
CH341ASER.DeviceDesc = "USB-SERIAL CH341A"
DISK_NAME = "CH341 Serial Installation Disk"
L'immagine dell'adattatore in formato PNG in questo messaggio va bene come icona per programmi di utilità/strumenti (tool) supplementari al sistema operativo come USB Safely Remove.
In testa a questa discussione abbiamo consigliato come programma di emulazione terminale Tera Term.
Tera Term versione 2.3 di T. Teranishi non è compatibile con l'adattatore CH340.
L'ultimo Tera Term versione 4.xx di OSDN invece è perfettamente compatibile con l'adattatore CH340.