Chapter 3
SWRU343A–April 2013–Revised June 2015
Using the CC2540 USB Dongle
This section describes how the USB dongle appears to a computer running Windows 7
®
, how it operates,
and how to use the buttons on the dongle.
3.1 Plugging the Dongle into a Computer
As the CC2540 USB dongle comes pre-programmed with emulated HID USB endpoints. The dongle
works out of the box free of extra drivers. After the USB dongle has been discovered and configured by
Windows, several USB HID devices appear in the device manager.
Figure 3-1. CC2540 USB Dongle Viewed in the Device Manager
Figure 3-1 shows the USB dongle enumerated as a USB composite device, with four interfaces
representing the different capabilities of the advanced remote control and USB dongle:
• HID Keyboard Device
Number keys, arrow keys, OK, and Back on the advanced remote
• HID-compliant consumer control device
Volume buttons, play, pause, rewind, and similar consumer device control buttons
• HID-compliant mouse
Movement data sent from the Advanced Remote when the mouse is activated
• HID-compliant device
Control point for communication between the USB dongle firmware and applications running on the
computer. Can be used for pairing, pin codes, feedback, resetting, and so forth. Not in use by the pre-
programmed USB dongle firmware.
3.2 Connecting to the Advanced Remote Control
3.2.1 Pairing for the First Time
When the devices are programmed, they lose stored pairing information. The dongle powers up and
shows a solid red LED.
1. To initiate a connection to an ARC, press the SW2 button on the HID dongle.
9
SWRU343A–April 2013–Revised June 2015 Using the CC2540 USB Dongle
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