Bridge

Figure 5-19shows the Sleep key being pressed. Note the power key reports are sent via endpoint 2 and Report ID 3.

Figure 5-19. Example Keyboard CATC Trace (Power Key)

Report ID 3 =

Key Code

Power Key

 

Key Up

Figure 5-20below shows the Get_Report requests used to retrieve the keyboard and mouse battery level and link quality information. Note the data transfers occurred on the control endpoint, endpoint 0, and Report ID were used to differentiate keyboard and mouse requests.

Figure 5-20. CATC Trace of Battery and Link Quality Data Requests

Keyboard’s Battery and Link

Quality Request Using Report ID 5

Mouse’s Battery and Link Quality

Request Using Report ID 4

CY4672 Reference Design Guide, Document # 001-16968 Revision **

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Cypress CY4672 manual Example Keyboard Catc Trace Power Key, Key Up