Chapter 12
The INF file is located in:
\Micrium\Software\uC-USB-Device-V4\App\Host\OS\Windows\Vendor\INF
Refer to section 3-1-1 “About INF Files” on page 46 for more details about how to edit the
INF file to match your Vendor and Product IDs.
Once the driver is successfully loaded, the Windows host application is ready to be
12
launched. The executable is located in the following folder:
\Micrium\Software\uC-USB-Device-V4\App\Host\OS\Windows\Vendor\Visual Studio 2010\exe
There are two executables:
EchoSync.exe for the Windows application with the synchronous communication API of
USBDev_API.
EchoAsync.exe for the Windows application with the asynchronous IN API of
USBDev_API.
The Windows application interacts with WinUSB driver via USBDev_API which is a wrapper
of WinUSB driver. USBDev_API is provided by Micriμm. Refer to section 12-3
“USBDev_API” on page 214 for more details about USBDev_API and WinUSB driver.
The Echo Sync or Async demo will first determine the number of vendor devices connected
to the PC. For each detected device, the demo will open a bulk IN and a bulk OUT pipe.
Then the demo is ready to send/receive data to/from the device. You will have to enter the
maximum number of transfers you want as shown by Figure 12-4.
Figure 12-4 Demo Application at Startup
226
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