// count to 1 second


// Includes 
#include <P32xxxx.h> 
#include <plib.h>

// Prototypes
void main(void);
void initTimers(void);
void main(void) {
	unsigned short duration;
	duration = 39062;			//1sec/25.6us=39062
	TRISF = 0;					// Use PORTF for output
	initTimers();				// Set up Timer1
	TMR1 = 0;					// Reset timers
	PORTFbits.RF0 = 0;			// Output low
	while (TMR1 < duration) {} 	// wait until duration of 1sec is up
		PORTFbits.RF0 = 1; 		// Output high 
	// There's a style bug above...

}

void initTimers(void) {
	// Assumes peripheral clock at 10MHz
	//        Use Timer1 for note duration
	// T1CON
	// bit 15:	ON=1: enable timer
	// bit 14:	FRZ=0: keep running in exception mode
	// bit 13:	SIDL = 0: keep running in idle mode
	// bit 12:	TWDIS=1: ignore writes until current write completes
	// bit 11: 	TWIP=0: don't care in synchronous mode
	// bit 10-8: unused
	// bit 7: 	TGATE=0: disable gated accumulation
	// bit 6:   unused
	// bit 5-4: TCKPS=11: 1:256 prescaler, 0.1us*256=25.6us
	// bit 3:	unused
	// bit 2:	don't care in internal clock mode
	// bit 1:	TCS=0: use internal peripheral clock
	// bit 0:	unused
	T1CON = 0b1001000000110000;
}