4010-DAAKF-434 Datasheet, PDF (6/14 Pages) Silicon Laboratories – Si4010 KEY FOB DEMO KIT WITH AES CAPABILITY

Si4010-Keyfob-AES-DEMO
3.5.1. Key Fob Firmware Flowchart
Wake up
vSys_Setup( 15 )
Battery
Insert?
Yes vSys_FirstPowerUp()
No
Initialize application
Measure Vbat
Measure temp
Generate session keys
No
Button
pushed?
No
Yes
Assemble packet for the LED
demo
Is button
valid for
receiver?
Yes
Set RF parameters
Transmit packet
No
Timeout?
Yes
Shutdown
Shutdown
Assemble packet for Si4313
Set RF parameters
Transmit packet
Assemble packet for Si4313
Set RF parameters
Transmit packet
Increment sync
counter
Figure 4. Key Fob Firmware Flowchart
6
Rev 1.1