#include "machine/pit.h"
#include "machine/ioport.h"
#include "machine/core.h"

Include dependency graph for pit.cc:

Namespaces
namespace	PIT
	Abstraction of the historical Programmable Interval Timer (PIT).

Enumerations
enum	PIT::AccessMode { PIT::LATCH_COUNT_VALUE = 0 , PIT::LOW_BYTE_ONLY = 1 , PIT::HIGH_BYTE_ONLY = 2 , PIT::LOW_AND_HIGH_BYTE = 3 }
	Access mode. More...
enum	PIT::OperatingMode { PIT::INTERRUPT_ON_TERMINAL_COUNT = 0 , PIT::PROGRAMMABLE_ONE_SHOT = 1 , PIT::RATE_GENERATOR = 2 , PIT::SQUARE_WAVE_GENERATOR = 3 , PIT::SOFTWARE_TRIGGERED_STROBE = 4 , PIT::HARDWARE_TRIGGERED_STROBE = 5 }
	Operating Mode. More...
enum	PIT::Format { PIT::BINARY = 0 , PIT::BCD = 1 }
	data format More...

Functions
static IOPort	PIT::data (0x40+CHANNEL)
bool	PIT::set (uint16_t us)
	Start timer.
uint16_t	PIT::get (void)
	Reads the current timer value.
bool	PIT::isActive (void)
	Check if the timer is running.
bool	PIT::waitForTimeout (void)
	(Active) waiting for timeout
bool	PIT::delay (uint16_t us)
	Set the timer and wait for timeout.
void	PIT::pcspeaker (uint32_t freq)
	Play a given frequency on the PC speaker.
void	PIT::disable (void)
	Deactivate the timer.

Classes

Namespaces