Silicon Laboratories Si4010 User Manual page 6

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