floppy.c File Reference

#include "floppy.h"

Functions
bool	fdc_init ()
bool	floppy_init (int sectors_per_track)
bool	fdc_is_present ()
bool	floppy_is_inserted ()
void	floppy_lba_to_chs (uint16_t lba, uint8_t *head, uint8_t *track, uint8_t *sector)
bool	floppy_reset ()
bool	floppy_wait_until_ready ()
bool	floppy_send_command (uint8_t cmd)
uint8_t	floppy_read_data ()
void	floppy_confirm_interrupt (uint8_t *st0, uint8_t *cylinder)
void	floppy_set_parameters (uint32_t step_rate, uint32_t head_load_time, uint32_t head_unload_time, bool dma)
bool	floppy_calibrate ()
void	floppy_enable_motor ()
void	floppy_disable_motor ()
uint8_t *	floppy_read_sector (int device_number, int sector)
void	floppy_write_sector (int device_number, int sector, uint8_t *content)
uint8_t *	floppy_do_operation_on_sector (uint8_t head, uint8_t track, uint8_t sector, bool read)
bool	floppy_seek (uint8_t cylinder, uint8_t head)
bool	floppy_wait_for_interrupt ()
bool	floppy_interrupt ()
bool	floppy_timer_interrupt ()
uint8_t *	floppy_read_continous (int device_number, int sector, int count)
uint8_t *	floppy_read_sectors (int device_number, uint8_t head, uint8_t track, uint8_t sector, uint32_t count)
uint8_t *	read_track_from_floppy (int device_number, int head, int track)

Variables
volatile uint32_t	floppy_sectors_per_track
volatile uint32_t	time_of_last_activity = 0
volatile bool	motor_enabled = false
volatile uint32_t	current_cylinder = 0
volatile uint32_t	current_head = 0
volatile bool	floppy_interrupt_flag = false

Function Documentation

fdc_init()

bool fdc_init

(

)

fdc_is_present()

bool fdc_is_present

(

)

floppy_calibrate()

bool floppy_calibrate

(

)

floppy_confirm_interrupt()

void floppy_confirm_interrupt	(	uint8_t *	st0,
		uint8_t *	cylinder
	)

floppy_disable_motor()

void floppy_disable_motor

(

)

floppy_do_operation_on_sector()

uint8_t* floppy_do_operation_on_sector	(	uint8_t	head,
		uint8_t	track,
		uint8_t	sector,
		bool	read
	)

floppy_enable_motor()

void floppy_enable_motor

(

)

floppy_init()

bool floppy_init

(

int

sectors_per_track

)

floppy_interrupt()

bool floppy_interrupt

(

)

floppy_is_inserted()

bool floppy_is_inserted

(

)

floppy_lba_to_chs()

void floppy_lba_to_chs	(	uint16_t	lba,
		uint8_t *	head,
		uint8_t *	track,
		uint8_t *	sector
	)

floppy_read_continous()

uint8_t* floppy_read_continous	(	int	device_number,
		int	sector,
		int	count
	)

floppy_read_data()

uint8_t floppy_read_data

(

)

floppy_read_sector()

uint8_t* floppy_read_sector	(	int	device_number,
		int	sector
	)

floppy_read_sectors()

uint8_t* floppy_read_sectors	(	int	device_number,
		uint8_t	head,
		uint8_t	track,
		uint8_t	sector,
		uint32_t	count
	)

floppy_reset()

bool floppy_reset

(

)

floppy_seek()

bool floppy_seek	(	uint8_t	cylinder,
		uint8_t	head
	)

floppy_send_command()

bool floppy_send_command

(

uint8_t

cmd

)

floppy_set_parameters()

void floppy_set_parameters	(	uint32_t	step_rate,
		uint32_t	head_load_time,
		uint32_t	head_unload_time,
		bool	dma
	)

floppy_timer_interrupt()

bool floppy_timer_interrupt

(

)

floppy_wait_for_interrupt()

bool floppy_wait_for_interrupt

(

)

floppy_wait_until_ready()

bool floppy_wait_until_ready

(

)

floppy_write_sector()

void floppy_write_sector	(	int	device_number,
		int	sector,
		uint8_t *	content
	)

read_track_from_floppy()

uint8_t* read_track_from_floppy	(	int	device_number,
		int	head,
		int	track
	)

Variable Documentation

current_cylinder

volatile uint32_t current_cylinder = 0

current_head

volatile uint32_t current_head = 0

floppy_interrupt_flag

volatile bool floppy_interrupt_flag = false

floppy_sectors_per_track

volatile uint32_t floppy_sectors_per_track

motor_enabled

volatile bool motor_enabled = false

time_of_last_activity

volatile uint32_t time_of_last_activity = 0