The ABPM50 is specifically designed to work with the ABPM Labs product line, so it has one STM32 USB OTG chip, with one DFU application. The DFU application is only used for firmware upgrades and recovery in the event of a reset or power cycle. The DFU application can be removed or disabled to communicate with devices that use different operating systems, such as LabWindows. Contact the manufacturers for details on how to use other OS on the device.
With other devices, USB drivers are provided by Microsoft for the selected version of Windows. For Win 7, this driver is available at http://www.microsoft.com/whdc/system/platform/install/usb/usbport.mspx .
If you find the device in the list on the left, but not on the right, you may have to manually install the driver using Setup.exe, the Windows Device Manager or other software. You can also try installing a different driver. If the problem persists, please contact your system administrator for assistance. If you are a network administrator, the solution may be to make sure the host has the correct drivers.
USB chip design allows the ABPM50 to recognize multiple devices without the need for user intervention. It allows for the possibility of future hardware expansion with minimal changes to the programming environment. A manufacturer's device description file (MaxVision DFU API Specification ) must be supplied for each new device installed. Device identification may be read in either DFU mode or DFU mode, in which case device name and manufacturer information are retrieved.
For both the USB driver and host libraries, the driver and host libraries must be present in the same folder. To check if they are installed, open Device Manager and open Manage > Select Devices. Select the tree root (containing the USB flash drive) and right click on the two files in the properties window (labelled STM32F1xxx.dll (Host Library) and stm32f10x_usb.lib (Driver Library) ). A second tab shows if the proper files are installed. If the files are not present, install them either by browsing the above mentioned folder or by using the CD provided with your device. Finally, re-plug in your device and restart the computer.
The driver will either be an STM32 Virtual COM port (DCD) if STMicroelectronics did the work, or if Windows found the device but not the driver, it will be a CD Class example (FFS). Depending on which one you find, the device driver should be selected as the primary driver and Windows installed. If you find neither, it may help to reset the device to factory settings. There are factory reset instructions on the ABPM50 user guide, as well as a repair manual.
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