Communication Port Driver Windows 7 Free Download

The CP210x USB to UART Bridge Virtual COM Port (VCP) drivers are required for device operation as a Virtual COM Port to facilitate host communication with CP210x products. These devices can also interface to a host using the direct access driver.

The CP210x Manufacturing DLL and Runtime DLL have been updated and must be used with v 6.0 and later of the CP210x Windows VCP Driver. Application Note Software downloads affected are AN144SW.zip, AN205SW.zip and AN223SW.zip. If you are using a 5.x driver and need support you can download Legacy OS Software.

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So, the USB interface will be used only to (infrequently) connect the STM32 based device to a Host PC, to allow the Host PC to send commands to the STM32 to manage the device it is controlling and to retrieve the logged data, and to allow the STM32 to send command responses and the logged data back to the Host PC. At this stage, I plan to implement this communication across the USB via a Virtual Comm Port connection and drivers.

macOS users: if you do not see the serial port then check you have the USB/serial drivers installed. See Section Connect ESP32 to PC for links to drivers. For macOS High Sierra (10.13), you may also have to explicitly allow the drivers to load. Open System Preferences -> Security & Privacy -> General and check if there is a message shown here about "System Software from developer ..." where the developer name is Silicon Labs or FTDI.

Do not forget to exit the current screen session after verifying that the communication is working. If you fail to do it and just close the terminal window, the serial port will be inaccessible for uploading firmware later.

I'm trying to install the Arduino Due driver ("Arduino Due.inf" selected manually) but during the native port driver installation i get a blue screen ("bad_poll_caller"). The driver installation works only in windows safe mode but after the computer restart, and when i plug the arduino due, i get the blue screen. No sketch was uploaded on the board.

The programmable port works fine. I get the same blue screen on both my win7 computers.

Same results. When i plug the native port, windows finds the "Bossa Programming Port", then i tried to upload a simple sketch (open the serial port in setup(), print "Ciao" and a delay(1000) inside loop()) and the upload seems ok. At the end of the upload, in the Device Manager list, the Bossa Port was replaced by an "Arduino Due" device. I manually select the "Arduino Due" driver (from the drivers folder of arduino-1.5) and at the end of the driver installation i get the blue screen.

Am i doing something wrong during the installation process? Yesterday I did the same stuff on an other pc (windows vista 32bit italian) and it's works fine (both ports).

You said that the driver installation works in windows safe mode.

I'm thinking: maybe you have another driver/software that conflict with the Due? Can you take a screenshot of the device manager in safe mode (with and without the Due plugged in) and the device manager after a normal reboot?

1: Installed the driver for the programming port. Worked "out of the box", ie. with updating the driver and pointing to the 1.5.1/driver library. Programmed the blink sketch. All OK.

2: Moved the cable to the native port. No driver was found/installed. Tried the fix in the other driver thread. It now started an install, but BSoD.

2b: After reboot, whenever the Due is plugged in with the Nativeport the machine BSoD (presumably trying to reinstall the driver)

and if before driver install , I press ERASE (communication erase button) the Native port is recognized as Bossa port ok and I can download sketch to

Due but after the download ends with CPU reset , new driver installation starts automatically and with Arduinodue.inf which causes then again BSoD.

With Arduino Due.inf Native port driver are you running the original .inf or have you made any changes to the driver content to make it work with

Windows XP SP3 ? I tried the changes suggested in earlier messages (like removing &MI00 and other suggestions ) with no luck,

Now I tried multiple times the side USB 2.0 port and was able to get my Leonardo and Micro both to install the driver and work correctly with keyboard and mouse. Unfortunately my Due still died BSOD during the driver install. I think this could be because the HID emulation is not working correctly on the Due yet. So it may not be handshaking correctly with the driver install. (I say this because I have a couple of Windows XP SP3 32-bit systems that install the Due driver okay, and the SerialUSB works correctly, but the HID interface still never shows up.)

on my HP laptop all works Bossa, Programming Port, Arduino Due, (Windows 7 64bit SP1) on an DELL Optiplex works Bossa and Programming Port nothing else Arduinodue.inf not trieed any modification known from Navie USB port drivers (Arduino Due mode) - #5 by hiduino - Arduino Due - Arduino Forum nothing helps.

When you connect a printer to your PC or add a new printer to your home network, you can usually start printing right away. Windows supports most printers, and you probably won't have to go out of your way to install special printer software. If you're using Windows 8.1 or Windows RT 8.1, additional printer support and drivers are available through Windows Update.

I presume that the the FTDI D2XX drivers would result in the same failure as the VCP drivers; unsupported OS for the PXI unit. I have contacted FTDI to see if there is anything that they can recommend.

For those in the future that will read this post, I am including the communication from FTDI that I solicited in response to this dilemma. This might help with anyone that is brave, or has the requisite skills, to undertake a custom driver project. I have neither of the aforementioned qualities and will be seeking alternate solutions, which I will post here once they are developed.

FTDI,

I am working with a National Instruments Real-Time Operating System (RTOS) on a NI-PXI-8176 Real-Time (RT) Controller. I would like to interface some of the microcontrollers that are my test system with this RT unit, which I have utilized your FTDI FT232BL chips for communication capabilities. In the windows environment, I have successfully been able to implement your VCP drivers for these devices and utilize the LabVIEW Serial commands. However, I have been told by NI that this will not work for my RT unit application, as these drivers are not supported by the RTOS. They indicated that your drivers are not open source, and this prevents them from developing a driver for their RTOS.

Is there anything that you can recommend that would allow me to utilize your products with this RTOS? I have been told that the D2XX drivers would have the same issue; OS incompatibility. Thank you.

This is the post on the NI discussion boards, with a response from an engineer at NI.

-Virtual-Comm-Port-VCP-drivers-on-a-PXI-8176-RT-System/td-p/2129108

I've tried using three different ports on my computer, as well as changing the communication port in the software settings under Set. No matter what I do, when I try to read from radio, it keeps popping up the error. I've used other software for other radios just fine on this computer. Any ideas?

I am having significant difficulty with the USB driver. My PC is recognizing the port but is labeling the port "CH340". I've tried all of the instructions in this thread and elsewhere and can't get the programming software to read from the repeater. Any more ideas from anyone?

At that link, under the support tab there is a link to a Universal USB driver and a Win11 USB driver. Neither worked for me and the port the repeater is plugged into reflects the device as "CH340". Does anyone have any more ideas?

I may have missed it, but did you say where you got your cable? Might have to break down and buy a better cable, like this one. I have the cheop-o amazon cables, but you need to really know your way around windows drivers.

5. Make sure that PowerChute Business Edition is configured to use the correct communication port when communicating via the Serial port.

NOTE: The communication port is no longer configurable within the Agent in v9.5 and above. If you wish to change from a USB to a serial port, you must re-install the PowerChute Business Edition Agent.

Troubleshooting Windows USB Communications

Note: If configuring for native shutdown via Control Panel - Power Options, the driver should be HID UPS Battery. If PowerChute had previously been install, the drive would be APC UPS.

3. From the Device Manager, select Human Interface Devices (HID). You should see a driver called American Power Conversion USB UPS. If either HID or this driver does not display, proceed with the steps below.

4. Ensure the USB port is enabled in your computer BIOS. Consult your computer documentation for details on how to enable the USB Port.

5. If your installation includes a USB hub (a device that multiplies the number of USB ports available) and the UPS is plugged into it, check that the hub is receiving power. Check your hub's manual to learn whether the hub should be powered with an AC/DC adapter.

Note: APC recommends that the UPS USB cable be plugged into the PC's USB port directly, not into a USB hub for optimum performance.

6. Ensure that the USB cable connected to the UPS is the last in the chain (downstream). Ensure all other USB devices upstream from your APC UPS have communication. If an upstream device is not communicating, any downstream device may not communicate. Remove the device that is not communicating and see if that has any effect.

7. You can review all connected USB devices Using a freeware utility such as USBDeview.exe. See Schneider Electric FAQ283181 Video: How to verify USB communications between UPS and Windows OS using UsbDeview.exe

8. If the USB drivers have loaded properly and USBDeview.exe can discover the UPS yet PowerChute cannot discover the UPS, uninstall PowerChute, and reset the communications bus.

a. For an SMT, SMTL, or SMX model UPS, on the display interface, hold the UP and DOWN buttons simultaneously for 10 - 12 seconds. The display flashes to indicate that the network interface has restarted.

b. To reset the communications bus of an SMC model UPS, on the display interface, hold the MUTE and MENU buttons simultaneously for 10 - 12 seconds. The display flashes to indicate that the network interface has restarted.

c. To reset the communications bus of an SCL model UPS, insert paperclip into the reset hole on the rear of the UPS.

d. For all other Smart-UPS, power down all equipment connected to the UPS, and cold start/brain-dead the UPS. For assistance with performing the cold start/brain dead procedure, see Schneider Electric Video: How to perform a cold start and brain dead on Smart-UPS.

9. On SMT and SMTL model UPS, disable Green mode. To disable Green mode from the UPS LCD panel go to Configuration - Green Mode

10. Disable Selective Suspend Settings within the OS power options. To disable USB selective suspend open the control panel. Go to power options, select change plan settings, change advanced power settings, USB settings

11. After resetting the communications bus or restarting the UPS, reinstall PowerChute. When reinstalling, when asked, "Would you like to automatically search all communication ports for a UPS?" select No. In the next screen, when asked to "Select your UPS Model:" from the drop-down select "Other Type-A" if your UPS model is an SMT, SMX, SMC, SMTL, SRT, SCL. If the UPS model is SUA, select "Other Type-B". In the next screen, when asked, select USB as the com port.

NOTE: For step 11 to work, PowerChute would need to have been previously installed on the system. If not the required APC UPS driver will not be available. See Schneider Electric FAQ Video: How to restore APC PowerChute device drivers on Windows? for assistance with loading the APC UPS driver.

Troubleshooting Windows Serial Communications

Try debugging the COM port with a tool like PuTTY.

For Smart-UPS models SU and SUA. See the "Checking UPS Communications on Windows" section of the attached PowerChute Business Edition Installation Guide for more information.

When configuring PowerChute Agent to communicate using simple signaling the UPS will not be discovered automatically. When running the installer, the UPS must be added manually. 2351a5e196