Cdc Driver Port Devices Driver

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The Zebra CDC driver conforms to the Microsoft Windows Driver Model (WDM) and is certified by Windows Hardware Quality Labs (WHQL) for installation on 32 and 64bit Windows 7 and Windows 8.1 PCs when a Zebra Scanner must be used in USB CDC host mode. How Do I Emulate a COM/Serial Port Over USB? Supported DCS products, refer to the USB CDC Driver for Windows page or the user guide of the scanner. If using DS3578 or LS3578, Bluetooth FIPs cradle part # STB3578-CF007WR must be used. Resolution / Answer. To emulate a COM port over a USB connection, please follow these steps 1. When the kit enumerates, UVC interface automatically binds to UVC driver and will come up as CX3-UVC under 'Imaging devices' section of Device Manager. Whereas, the CDC interface will come up as CX3-UVC under 'Other devices' section of Device Manager. You need to force bind this interface to CDC driver.

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USB CDC (Communications Device Class) ACM (Abstract Control Model) isa vendor-independent publicly documented protocol that can be used foremulating serial ports over USB.

  1. TI CC2540 Low-Power RF to USB CDC Serial Port COM24 - there are 1 drivers found for the selected device, which you can download from our website for free. Is necessary to the device is necessary to have two. I have CC2540 Dongle and loaded from TI into it. The dongle can be used to enable Bluetooth low energy on your PC.
  2. Download latest CDC, VCOM, USB & Smartwatch drivers for Mediatek Android devices below. These drivers are for Windows PCs. Download Mediatek VCOM, CDC, USB Serial & Smartwatch Drivers. Auto Mediatek USB VCOM Drivers Signed (all MT. devices) Login / Register to download free Manual Mediatek USB VCOM Drivers Signed (all MT. devices).

More information on Wikipedia.

Source code: src/drivers/network/usb/device/class/cdc.h, src/drivers/network/usb/device/class/cdc.c

Test code: tst/drivers/hardware/network/usb_device/main.c

Driver

Defines

usb_device_class_cdc_read(self_p, buf_p, size)

Read data from the CDC driver.

Return
Port
Number of bytes read or negative error code.
Parameters
  • self_p: Initialized driver object.
  • buf_p: Buffer to read into.
  • size: Number of bytes to read.
usb_device_class_cdc_write(self_p, buf_p, size)

Write data to the CDC driver.

Return
Number of bytes written or negative error code.
Parameters
  • self_p: Initialized driver object.
  • buf_p: Buffer to write.
  • size: Number of bytes to write.

Functions

int usb_device_class_cdc_module_init(void)

Initialize the CDC module.

Return
zero(0) or negative error code.
int usb_device_class_cdc_init(structusb_device_class_cdc_driver_t *self_p, int control_interface, int endpoint_in, int endpoint_out, void *rxbuf_p, size_t size)

Initialize driver object from given configuration.

Return
zero(0) or negative error code.
Parameters
  • self_p: Driver object to be initialized.
  • rxbuf_p: Reception buffer.
  • size: Reception buffer size.
int usb_device_class_cdc_input_isr(structusb_device_class_cdc_driver_t *self_p)

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Called by the USB device driver periodically to let the CDC driver read received data from the hardware.

Return
zero(0) or negative error code.
Parameters
  • self_p: Initialized driver object.
int usb_device_class_cdc_is_connected(structusb_device_class_cdc_driver_t *self_p)

Check if the CDC is connected to the remote endpoint.

Return
true(1) if connected, false(0) if disconnected, otherwise negative error code.
Parameters
Cdc Driver Port Devices Driver
  • self_p: Initialized driver object.
struct usb_device_class_cdc_driver_t

Public Members

struct usb_device_driver_base_t base
struct usb_device_driver_t *drv_p
int control_interface
int endpoint_in
int endpoint_out
int line_state
structusb_cdc_line_info_tline_info
structchan_tchout
structqueue_tchin
TH-D74A/E
Virtual COM Port Driver		September 16, 2016

Introduction

Thank you for choosing the KENWOOD transceiver. You can connect your TH-D74A/E to a PC via a Micro-USB cable, and then utilize the Frequency Control Program or Memory Control Program we have provided.

After reading through the following explanations, feel free to download and install the software.


Operating Environment

1. Operating System (OS)

Cdc Driver Port Devices Driver

Windows® 7 (32-bit or 64-bit)
Windows® 8.1 (32-bit or 64-bit)
Windows® 10 (32-bit or 64-bit)

2. Peripheral Devices

USB 2.0 interface.


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Installing the virtual COM port driver

ATTENTION: Do not connect the device to a PC before installing the virtual COM port driver.

1. Extract the downloaded file 'USB_CDC_Driver_TH-D74_V100.zip' into a designated folder. In the designated folder, a folder labeled 'USB_CDC_Driver_TH-D74_V100' will be created.
In the folder labeled 'USB_CDC_Driver_TH-D74_V100', double click the 'dpinst.exe' in the folder 'x86' with 32-bit OS, or the 'dpinst.exe' in the folder 'x64' with 64-bit OS.
After a few moments, the following window is displayed.
Click [Next>].


2. The following window is displayed, and the driver installation will begin.
Wait until the installation is completed.


3. After a few moments, the following window is displayed.
Click [Finish] to complete installation and exit.


Connecting the device to a PC

Turn the transceiver power ON, then connect it to a PC via a Micro-USB cable for the transceiver. The PC will detect new hardware.
The installation of the device driver software will start automatically.
If a reboot request appears, please reboot the PC.


Confirming the COM port number

Open the 'Device Manager' to confirm which COM port number is assigned for connection with the TH-D74A/E.
(Confirm the COM port number after turning on the transceiver and connecting the transceiver to the PC using a Micro-USB cable.)


For Windows® 7
1. Click the Windows® [Start] button.
2. Right-click [Computer], then click [Properties].
3. Click [Device Manager] in the displayed window.
4. [Device Manager] window will appear.


For Windows® 8.1 and Windows® 10
1. Right-click the Windows® [Start] button.
2. Click [Device Manager] in the displayed window.
3. [Device Manager] window will appear.


Click 'Ports (COM & LPT)' to extend it, then you can find 'TH-D74 (COMxx)'. The 'COMxx' number is different depending on your PC.
In the above example, 'TH-D74 (COM3)' is listed. This means that COM3 is assigned for the connection with the TH-D74A/E.
Select this port number in the configurations for communication in the software you are using.


If you agree with the details listed above, click the following link to download the virtual COM port driver installation program.

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Update History

Cdc Driver Port Devices Driver License

First Release (September 16, 2016)


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