void timer4_init(void) {
    //
    // Enable the peripherals used by this example.
    //
    SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER4);

    //
    // Configure the 32-bit periodic timer.
    //
    TimerConfigure(TIMER4_BASE, TIMER_CFG_PERIODIC);
    TimerLoadSet(TIMER4_BASE, TIMER_A, ui32SysClock/1000);   //Clock at 120 MHz

    IntPrioritySet(INT_TIMER4A, 0x00);

    //
    // Setup the interrupts for the timer timeouts.
    //
    IntEnable(INT_TIMER4A);
    TimerIntEnable(TIMER4_BASE, TIMER_TIMA_TIMEOUT);

    //
    // Enable the timers.
    //
    TimerEnable(TIMER4_BASE, TIMER_A);
}


#define FLASH_EVENT_START	0x6C000	//Address of the first block of flash to be used for storing events.475136 0x6C000									// 524288-16384(boot)-16384(params)-16384(events)=475136
#define FLASH_EVENT_END		0x70000	//Address of the last block of flash to be used for storing events.
#define FLASH_BLOCK_SIZE	0x4000	//Flash erases in 16k block increments. //4000 DR
#define FLASH_BLOCKS_TO_ERASE  1	// Number of blocks to erase.

long Event_Schedule_Save(DIGITAL_EVENT_SCHEDULE* einfo) { // Save Event Info

	long error = 1;
	tFlashProtection state;
	int i;
	FLASH_EVENT_START=

	ASSERT((FLASH_EVENT_START % 4) == 0);    // Starting address must be a multiple of 4. 
	ASSERT((sizeof(einfo) % 4) == 0);		// Number of bytes to be programmed must be a multiple of 4.

	state = FlashProtectGet(FLASH_EVENT_START);  // Get protection setting for block of memory to be used.
	if (state == FlashReadWrite) { // States are r/w, ro, xo, must r/w.
	    error = FlashErase(FLASH_EVENT_START);	// Erase flash in 16k block increments.
	} else
		error = -1;							// Error if state is not r/w.

	if (!error)
		error = FlashProgram((uint32_t*) einfo, FLASH_EVENT_START, sizeof(DIGITAL_EVENT_SCHEDULE));

	return (error);  // -1 indicates programming error, 0 is success.
}

typedef struct {
	union {
		struct {
			EVENT_SCHEDULE_HEADER 	HEADER;
			DIGITAL_EVENT 		EVENTS[EVENT_COUNT];
		};
		unsigned char Byte[DIGITAL_EVENT_SCHEDULE_SIZE + EVENT_SCHEDULE_HEADER_SIZE];
	};
} DIGITAL_EVENT_SCHEDULE;