timer_lpc2.h File Reference

Low-level timer module for NXP LPC2xxx (interface). More...

#include <hw/hw_cpufreq.h>
#include "cfg/cfg_timer.h"
#include <cfg/compiler.h>
#include <cfg/macros.h>
#include <io/lpc23xx.h>

Values for CONFIG_TIMER.
Select which hardware timer interrupt to use for system clock and softtimers.
#define	TIMER0_COMPARE0 0
	System timer on Timer0 Compare match0.
#define	TIMER_DEFAULT TIMER0_COMPARE0
	Default system timer.
#define	DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(timer_handler)
	System timer on Timer0 Compare match0.
#define	TIMER_TICKS_PER_SEC 1000
	System timer on Timer0 Compare match0.
#define	TIMER_HW_CNT (CPU_FREQ / TIMER_TICKS_PER_SEC - 1)
	System timer on Timer0 Compare match0.
#define	TIMER_HW_HPTICKS_PER_SEC (CPU_FREQ)
	Frequency of the hardware high-precision timer.
#define	SIZEOF_HPTIME_T 4
	System timer on Timer0 Compare match0.
typedef uint32_t	hptime_t
	Type of time expressed in ticks of the hardware high-precision timer.
	ISR_PROTO_CONTEXT_SWITCH (timer_handler)
	System timer on Timer0 Compare match0.
void	timer_hw_irq (void)
	System timer on Timer0 Compare match0.
bool	timer_hw_triggered (void)
	System timer on Timer0 Compare match0.
hptime_t	timer_hw_hpread (void)
	System timer on Timer0 Compare match0.
void	timer_hw_init (void)
	HW dependent timer initialization.

Detailed Description

Low-level timer module for NXP LPC2xxx (interface).

Definition in file timer_lpc2.h.

#define TIMER_HW_HPTICKS_PER_SEC (CPU_FREQ)

Frequency of the hardware high-precision timer.

Definition at line 71 of file timer_lpc2.h.