/**
** @file	clock.h
**
** @author	CSCI-452 class of 20245
**
** @brief	Clock module declarations
*/

#ifndef CLOCK_H_
#define CLOCK_H_

#include <common.h>

/*
** General (C and/or assembly) definitions
*/

// conversion functions for seconds, ms, and ticks
// (SEC_TO_MS is defined in defs.h)
#define MS_TO_TICKS(n) ((n))
#define SEC_TO_TICKS(n) (MS_TO_TICKS(SEC_TO_MS(n)))
#define TICKS_TO_SEC(n) ((n) / CLOCK_FREQ)
#define TICKS_TO_SEC_ROUNDED(n) (((n) + (CLOCK_FREQ - 1)) / CLOCK_FREQ)

#ifndef ASM_SRC

/*
** Start of C-only definitions
*/

/*
** Types
*/

/*
** Globals
*/

// current system time
extern uint32_t system_time;

/*
** Prototypes
*/

/**
** Name:	clk_init
**
** Clock module initialization
*/
void clk_init(void);

#endif /* !ASM_SRC */

#endif