USB转串口 CP2102驱动

CP210x Windows XP/2003/Vista(32/64)/7(32/64)/8(32/64) Driver v6.6.1 Release Notes Copyright (C) 2012 Silicon Laboratories, Inc. This release contains the following components: * x64 directory * silabser.sys * silabenm.sys * x86 directory * silabser.sys * silabenm.sys * CP210xVCPInstaller_x86.exe (DPInst) * CP210xVCPInstaller_x64.exe (DPInst) * dpinst.xml (DPInst initialization file) * silabser.cat * slabvcp.inf * ReleaseNotes.txt (this file) Driver Installation ------------------- See Kit User's Guide for installation instructions. Release Dates ------------- CP210x USB to UART Bridge Driver v6.6.1 - December 11, 2012 Supported Operating Systems --------------------------- Windows 8 (64/32), 7 (64/32), Vista (64/32), 2003, and XP CP210x Windows Driver Revision History -------------------------------------- version 6.6.1 New features/Enhancements ------------------------- Added support for CP2108 devices Corrections ----------- Corrected bug where OS would hang on repitition of many rapid open/closes on certain systems. version 6.6 New features/Enhancements ------------------------- Moving installer format to DPInst Supported under Windows 8 Corrections ----------- Corrected bug in total write timeout calculation Corrected bug where EV_BREAK event could be misreported based on incoming data Corrected another BSOD corner case regarding write cancellation version 6.5.3 Corrections ----------- Corrected BSOD corner case for a write cancellation Corrected memory leak that occurs when a device is plugged/unplugged rapidly enough to allow driver startup function to fail version 6.5 Corrections ----------- Corrected BSOD corner case issue for handling control requests Corrected issue where USB 3.0 hubs would deliver data to the driver out of order version 6.4 Corrections ----------- Corrected multiple BSOD issues by updating request handling for control requests to the USB device, and the write completion method Corrected device removal routine to also undo the COM port naming in the registry at removal time instead of when the device is closed after the removal. version 6.3a Corrections ----------- Updated to 3.2 DriverInstaller to correct a bug seen when updating from an old driver installer version version 6.3 Corrections ----------- Corrected a bug introduced in 6.2 which caused BSOD during surprise removal. Corrected a bug found in I/O cancellation corner case version 6.2 Corrections ----------- Corrected return value for DeviceIoControl() and other COM API functions once the device is removed to properly show ERROR_ACCESS_DENIED (0x05) instead of ERROR_BAD_COMMAND in GetLastError() Corrected bug in DTR/RTS reporting latency seen if you set DTR/RTS and ask for it before the device has reported it to the host - now when it is written it reads back immediately Corrected several USB requests that were improperly defined as device requests when they are actually interface requests - this doesn't exhibit and bugs in current single interface devices but was changed to be complete and correct New features/Enhancements ------------------------- Added support for CP2104 and CP2105 devices version 6.1 Corrections ----------- Corrected a memory leak which could bog the system down after extended use of a contiuously opened COM port, and conditionally yield bluescreens on certain systems Corrected a problem where an IO reqest would sometimes return a busy status to user mode, instead the queue is restarted if necessary before adding an IO request to the queue Corrected a condition which would blue screen on cancelling write request that hasn't been fully sent out USB Corrected the Capabilites return value, which incorrectly reported that timeouts are not supported Corrected several Queue size return values, which affected behavior in the MSCOMM control Corrected DTR/RTS value on device insertion, visible when Serial Enumeration is disabled Corrected the ability to override Baud Rate and Line Control from the INF file version 6.0 Corrections ----------- Corrected multiple blue screens and driver hangs related to race conditions in the driver Corrected problem where driver hangs when 4 or more devices are connected to a single transaction translator hub Corrected bugs that prohibited serial enumeration Corrected problem where IO requests were not completed/cancelled on a close Corrected problem with dialing out or PPP connections New features/Enhancements ------------------------- Created IO queueing mechanism so that multiple reads, writes, etc. can be queued and waited on version 5.4.29 Corrections ----------- Fixed a bug which causes GET_COMM_STATUS to take longer than expected (previously corrected in version 5.3) Corrected several conditions which cause blue screens Corrected bug in surprise removal which can cause a blue screen Corrected bug where TX_EMPTY wasn't being reported properly New features/Enhancements ------------------------- Added Windows 7 to the general installer for XP/2003/Vista under KMDF 1.9 Modified driver to support selective suspend in Vista/7 Updated silabenm.sys to include latest changes from serenum in the WDK WHQL Certified for XP/2003/Vista(32/64)/7(32/64) version 5.4.24 Corrections ----------- Fixed a bug which caused a random crash if a write took longer than normal to complete New features/Enhancements ------------------------- WHQL Certified for XP/2000/2003/Vista(32/64) version 5.4.23 Corrections ----------- Fixed a bug which caused a crash if the device is surprise removed during communication. Fixed a bug which incorrectly uses the TX_EMPTY flag. Fixed incorrect/incosistent status return values. Corrected the default software flow control values version 5.4 Corrections ----------- Fixed bug where the first packet of data is dropped in Windows 2000. New features/Enhancements ------------------------- Added support to keep all GPIO pin states and all baud rate and line control data if the device loses power during standby or hibernation. Updated to use the latest version 1.7 of KMDF version 5.3 Corrections ----------- Corrected the IOCTL_SERIAL_SET_QUEUE_SIZE to allow expansion of the receive buffer. Modified driver to limit the device access only when necessary to improve performance. Corrected a case where read interval timeouts do not get started properly. version 5.2.2 Corrections ----------- Fixed a bug that was causing random bluescreens after a device is opened and closed. version 5.2.1 Corrections ----------- Fixed a bug caused by the previous fix for incomplete reads in Hyperterminal. Fixed a bug when using the Manufacturing DLL where no data comes back from the part for customization type settings in Vista 64. version 5.2 Corrections ----------- Fixed a BAD_POOL_HEADER blue screen issue. Fixed a crash during surprise disconnect in HyperTerminal on Vista. Fixed a problem causing various incomplete reads, sometimes visible in HyperTerminal. New features/Enhancements ------------------------- CP210xVCPInstaller.exe updated to v2.4. version 5.1 Corrections ----------- Multiple devices can be used now with no problems. Driver now correctly works with the MSCOMM ActiveX control. version 5.0 New features/Enhancements ------------------------- Driver has been updated to use the KMDF. Driver now includes a Serial Enumeration filter driver. WHQL Certified for XP/2000/2003/Vista(32/64). version 4.40 New features/Enhancements ------------------------- Driver has been updated to include Vista (x86/x64) support. CP210xVCPInstaller.exe updated to v2.0. version 4.38a