timer.h File Reference

#include "asm.h"
#include "irq.h"
#include "list.h"

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Classes
class	Timer_callback
	A timer callback is basically a periodic event. More...
class	Timer
	The Timer class is responsible for managing the hardware timer and all timer callback events. More...
Typedefs
typedef bool(*	Timer_callback_func )(void *argument)
Enumerations
enum	Timer_command {   TIMER_COMMAND_LATCH_COUNT = 0, TIMER_COMMAND_BINARY_CODED_DECIMAL = (1 << 0), TIMER_COMMAND_READ_WRITE_LSB = (1 << 4), TIMER_COMMAND_READ_WRITE_MSB = (1 << 5),   TIMER_COMMAND_COUNTER_0 = (0 << 6), TIMER_COMMAND_COUNTER_1 = (1 << 6), TIMER_COMMAND_COUNTER_2 = (2 << 6) }
enum	Timer_mode {   TIMER_MODE_ALARM = (0 << 1), TIMER_MODE_ONE_SHOT = (1 << 1), TIMER_MODE_RATE_GENERATOR = (2 << 1), TIMER_MODE_SQUARE_WAVE = (3 << 1),   TIMER_MODE_SOFTWARE_PULSE = (4 << 1), TIMER_MODE_HARDWARE_PULSE = (5 << 1) }
enum	Timer_register { TIMER_REGISTER_COUNTER_0 = 0x40, TIMER_REGISTER_COUNTER_1 = 0x41, TIMER_REGISTER_COUNTER_2 = 0x42, TIMER_REGISTER_COMMAND = 0x43 }
Functions
bool	timer_handler ()
bool	bootstrap_timer_handler ()
Variables
Timer	timer

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Typedef Documentation

typedef bool(* Timer_callback_func)(void* argument)

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Enumeration Type Documentation

enum Timer_command

Enumeration values: TIMER_COMMAND_LATCH_COUNT  TIMER_COMMAND_BINARY_CODED_DECIMAL  TIMER_COMMAND_READ_WRITE_LSB  TIMER_COMMAND_READ_WRITE_MSB  TIMER_COMMAND_COUNTER_0  TIMER_COMMAND_COUNTER_1  TIMER_COMMAND_COUNTER_2

enum Timer_mode

Enumeration values: TIMER_MODE_ALARM  TIMER_MODE_ONE_SHOT  TIMER_MODE_RATE_GENERATOR  TIMER_MODE_SQUARE_WAVE  TIMER_MODE_SOFTWARE_PULSE  TIMER_MODE_HARDWARE_PULSE

enum Timer_register

Enumeration values: TIMER_REGISTER_COUNTER_0  TIMER_REGISTER_COUNTER_1  TIMER_REGISTER_COUNTER_2  TIMER_REGISTER_COMMAND

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Function Documentation

bool bootstrap_timer_handler (   )

bool timer_handler (   )

This is the timer interrupt handler that is invoked TIMER_HZ times per second.

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Variable Documentation

Timer timer

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Torsion Operating System, Copyright (C) 2000-2004 Dan Helfman