Software Guide
9.2.3.5CHidTrayDevice Class Methods
The CHidTrayDevice class is derived from the CHidDevice class and is the class used to interface with WirelessUSB devices.
Table
Method | Type | Description |
RequestNewUsageValues() | Public | This method sets up and issues a Set Feature request to the HID |
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| device, which now simply requests the wireless device to provide |
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| an update of its battery level the next time it communicates with the |
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| USB bridge. |
UpdateUsageValues() | Public | This method retrieves the latest usage values from the USB |
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| bridge, which includes wireless channel, wireless PN code, last |
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| reported battery level, and signal strength. |
UpdateDeviceInfo() | Public | This method makes a call to update the HID device usage values |
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| and displays a warning message (if enabled). |
GetUsageIDValue() | Public | This method extracts the value of the provided Usage ID from the |
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| feature data. |
VerifyHidDevice() | Public | This method is called to verify that the HID device is one that |
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| should be added to the list; right now this is done by making sure |
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| the usage page reported is WIRELESSUSB_USAGEPAGE and |
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| the usage reported is either |
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| WIRELESSUSB_USAGE_KEYBOARD or |
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| WIRELESSUSB_USAGE_MOUSE. |
9.2.3.6CHidTrayManager Class Methods
The CHidTrayManager class is derived from the CHidManager class and is used to manage Wire- lessUSB devices.
Table
Method | Type | Description |
NewHidDevice() | Protected | This method creates a new HID device, initializes it, and adds it to the |
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| list of existing HID devices. |
DeleteHidDevice() | Protected | This method removes the HID device from the list and deletes the |
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| HID device. |
9.3Development Environment
The following tools are required to build and develop the Wireless USB Software application.
■Microsoft Visual C++ .NET
■Windows Driver Development Kit (DDK)
A Microsoft Windows based PC is used for tool execution.
The Microsoft Visual C++ .NET solution file can be found at the following location:
.\WirelessUSBSysTray\WirelessUSBTray.sln
118 | CY4672 Reference Design Guide, Document # |
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