On most cloned UART chips and their development kits, there is a high sensitivity to the voltage in the USB port and to the incidental resistance and impedance in the connection cable.Įspecially the choice of the USB cable is crucial - it shall always be in absolutely perfect condition, which is a problem if the cable is used for charging the device only and rarely for a real serial communication.Įven a small deviation in voltage or cable impedance will shut down the communication and the chip will then appear randomly unavailable - the driver in Windows then reports ERROR 10 regardless of the driver version installed. The same experience applies generally to UART converters, not only CP210(x) but also CH34(x). I have been solving the same problems for a long time with many ESP8266 as well as ESP32 development boards (NodeMCU, D1 etc…). General problems with USB cables and UART chips and instability of Windows drivers String descriptors are not available (because the device has problem code CM_PROB_FAILED_START)Ĭontinuing the discussion from CP210x driver does not work with ESP32 on Windows 10: ![]() Endpoint Descriptor -īDescriptorType : 0x05 (Endpoint Descriptor)īEndpointAddress : 0x81 (Direction=IN EndpointID=1)ĭata (HexDump) : 07 05 81 02 40 00 00 Endpoint Descriptor -īEndpointAddress : 0x01 (Direction=OUT EndpointID=1)ĭata (HexDump) : 07 05 01 02 40 00 00 String Descriptors. Right-click COM Port and select Properties. Expand the COM and LPT Ports Drop Down Section. Type devmgmt.msc in the search bar and hit Enter. IConfiguration : 0x00 (No String Descriptor)ĭata (HexDump) : 09 02 20 00 01 01 00 80 32 09 04 00 00 02 FF 00. Proceed as follows: Open Device Manager by pressing Windows Key + R. Configuration Descriptor -īDescriptorType : 0x02 (Configuration Descriptor)īConfigurationValue : 0x01 (Configuration 1) IManufacturer : 0x01 (String Descriptor 1) Now you should have a STM32 BOOTLOADER device with yellow triangle. Right click, select Uninstall Device, check Delete driver software box, then press Uninstall. If you see a device with a similar name to STM32 Bootloader: n. IdVendor : 0x10C4 (Silicon Laboratories, Inc.) Right click on the start button, then select Device Manager: n n. Device Descriptor -īDescriptorType : 0x01 (Device Descriptor)īDeviceClass : 0x00 (defined by the interface descriptors) Connection Information V2 -ĭevIsOpAtSsOrHigher : 0 (Is not operating at SuperSpeed or higher)ĭevIsSsCapOrHigher : 0 (Is not SuperSpeed capable or higher)ĭevIsOpAtSsPlusOrHigher : 0 (Is not operating at SuperSpeedPlus or higher)ĭevIsSsPlusCapOrHigher : 0 (Is not SuperSpeedPlus capable or higher)ĭata (HexDump) : 01 00 00 00 10 00 00 00 03 00 00 00 00 00 00 00. However, the below steps will help you download the driver with ease: Firstly, visit the official webpage of the CP2102 chip. ![]() Connection Information -Ĭonnection Status : 0x01 (DeviceConnected) Power State : D3 (supported: D0, D3, wake from D0) Download and Install VCP Drivers.Downloads for Windows, Macintosh, Linux and Android below.Note: The Linux 3.x.x and 4.x.x version of the driver is maintained in the current Linux 3.x.x and 4.x.x. For more details, here is the Windows drivers forum. Windows software can access such devices via WinUSB API (the Windows analog of libusb). ![]() vendor-defined) and use in-box WinUSB driver for it. Status : 0x01806400 (DN_HAS_PROBLEM, DN_DISABLEABLE, DN_REMOVABLE, DN_NT_ENUMERATOR, DN_NT_DRIVER) So the question is, what is the USB class that your STM32 software implements Windows 10 has also a special way to designate a device as custom (a.k.a. Output USBview (USB Device Tree): = USB Port1 =Ĭonnection Status : 0x01 (Device is connected)ĬompanionHubSymLnk : USB#ROOT_HUB30#7&10a4fe21&0&0#Ĭapabilities : 0x14 (Removable, UniqueID) Any ideas of what I can try to get it to work? If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.So the device VID is 10C4 and the PID is EA60, so I believe I should be able to use the normal drivers. Statt zu klagen, dass wir nicht alles haben. Maybe this vcp driver could help: Attachment removed. If you are looking for an update, pickup the latest one. Trying Windows 7 Ultimate 圆4 for the additional information. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. Below is a list of drivers that may be suitable for your device.
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