WirelessUSB™ Protocol 2.2
Figure 2-7. Reconnect Timing Diagram
Bridge
Inherence detected .
Move to a quieter channel in the subset
Quiet channel found. Bridge will stay on this channel
Device
Keyboard = 5 seconds; Mouse = 2 seconds
430 ms
Device lost connection . | Reconnect | Reconnect | Reconnect | Reconnect | |
Search for bridge in | Mode | Mode | Mode | Mode | |
the channel subset | |||||
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22.88 ms x 19 Cycles ~ 430 ms
22.88 ms
Cycle 1 | Cycle 2 | Cycle 3 | Cycle 19 |
1.76 ms x 13 Channels = 22.88 ms
1.76 ms | 1.76 ms | 1.76 ms |
|
1st Channel | 2nd Channel | 3th Channel | 13th Channel |
in subset | in subset | in subset | in subset |
2.5Signature Byte
The PRoC LP RDK uses the Signature byte to determine if the HID has ever been bound to any bridge before.
If the HID has never bound to a bridge, the
At power up, the HID reads the Signature and the MID bytes to determine its next action. If the Sig- nature byte is 0x90, the HID uses the retrieved MID to calculate the networkID and moves to Re- connect mode. If the Signature byte is not 0x90, the HID goes to sleep, waiting for the user to initiate the bind process.
28 | CY4672 Reference Design Guide, Document # |
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