This service is responsible for detecting if there has been a new spice detected during the rotation of the ferris wheel. If a new spice is detected, trigger a display indication to the LED matrix.
Module Defines
Static int LastSpiceState, Read_Spice_PIN as PORTBbits.RB11, SetMode_Spice_PIN as TRISBbits.TRISB11
CheckSpiceState
No input
Declare int CurrentSpiceState, ReturnVal to be false
Set CurrentSpiceState to Read_Spice_PIN
If CurrentSpiceState is different from LastSpiceState
If CurrentSpiceState is 1
Post ES_SPICE_HIGH event to SpiceRackFSM
Else
Post ES_SPICE_LOW event to SpiceRackFSM
Set ReturnVal to true
Update LastSpiceState to be CurrentSpiceState
Return ReturnVal
PostSpiceSensorService
Input: ES_Event_t
Post to service(priority, event)
InitSpiceSensorService
Input: priority
ES_Event_t ThisEvent
Set SetMode_Spice_PIN to 1
Set LastSpiceState to Read_Spice_PIN
Post Initial event ES_INIT