#include "../shared.h"
#include "door.h"
#include "sonar.h"
#include "rf.h"
#include "fpga.h"


/* states and flags */
unsigned char state = DETECTING_USER;
//unsigned char state = CHECKING_ID;
unsigned char badgeID = 0x41;	//A

void main() 
{
	/* interrupt settings */
	EA = 1;
	EX1 = 1;
    for (;;) {
		switch(state) {
		case DETECTING_USER:
		    Sonar_Task();
		    break;
		case REQUESTING_ID:
			RF_Task();
		    break;
		case CHECKING_ID:
		    FPGA_Task();
			break;
		default:
			state = DETECTING_USER;
		}//end switch
    }
}/* end of main */


void Ext0_ISR() interrupt 0 {
	if(state == DETECTING_USER)
		Sonar_Ext0_Handler();			

//	else if(state == CHECKING_ID)
//		FPGA_Ext1_Handler();			
}

void Timer0_ISR () interrupt 1 {
    switch(state) {
    case DETECTING_USER:
		Sonar_Timer0_Handler();
		break;
    case REQUESTING_ID:
		RF_Timer0_Handler();
		break;
    case CHECKING_ID:
		FPGA_Timer0_Handler();	
		break;
    }//end switch
}


void Ext1_ISR() interrupt 2 {
	if(state == CHECKING_ID)
		FPGA_Ext1_Handler();			
}



void Timer1_ISR () interrupt 3 {

}


void Serial_ISR() interrupt 4 {
	switch(state) {
	case REQUESTING_ID:
		RF_Serial_Handler();
		break;
	}
}