#include <pit.h>
#include <common.h>
#include <utilities.h>
#include <interrupt.h>
#include <ports.h>
#include <pic.h>

Include dependency graph for pit.cpp:

Namespaces
	INTRP
	interrupt namespace

	TIMER
	Timer namespace.

	INIT
	contains all kernel initialization routines

Enumerations
enum	TIMER::PORT : uint8_t { TIMER::CHANNEL_O = 0x40, TIMER::CHANNEL_1 = 0x41, TIMER::CHANNEL_2 = 0x42, TIMER::COMMAND = 0x43 }

enum	TIMER::CHANNEL : uint8_t { TIMER::TIMER0 = 0x00, TIMER::TIMER1 = 0x40, TIMER::TIMER2 = 0x80 }

enum	TIMER::ACCESSMODE : uint8_t { TIMER::LATCH = 0x00, TIMER::LO_ONLY = 0x10, TIMER::HI_ONLY = 0x20, TIMER::HI_LO = 0x30 }

enum	TIMER::OPMODE : uint8_t { TIMER::COUNTDOWN = 0x0, TIMER::ONESHOT = 0x2, TIMER::RATE_GENERATOR = 0x4, TIMER::SQUAREWAVE_GENERATOR = 0x6, TIMER::SOFTWARE_STROBE = 0x8, TIMER::HARDWARE_STROBE = 0xA, TIMER::RATE_GENERATOR2 = 0xC, TIMER::SQUAREWAVE_GENERATOR2 = 0xE }

enum	TIMER::DECIMALMODE : uint8_t { TIMER::BINARY = 0x0, TIMER::BCD = 0x1 }

Functions
void	INTRP::TimerInterruptHandler ()
	Timer interrupt handler. More...

void	TIMER::PIT_825x ()

void	INIT::PIT ()
	Initializes programmable interval timer. More...

Variables
const uint32_t	TIMER::BASE_FREQ = 1'193'182
	14.31818 MHz / 12 (due to hardware historical reason) More...

const uint16_t	TIMER::TICKS_PER_SECOND = 1'000

Namespaces

Enumerations