Input Devices for MicroWindows

Files
file	mw_uid.h
	Input Devices for MicroWindows.
file	mw_print.c
	MicroWindows Print.
file	mw_uid.c
	MicroWindows UID.

Data Structures
struct	MW_UID_MESSAGE

Macros
#define	MW_UID_REGISTER_DEVICE   0x4100
#define	MW_UID_UNREGISTER_DEVICE   0x4101
#define	MV_BUTTON_RIGHT   0x01
#define	MV_BUTTON_CENTER   0x02
#define	MV_BUTTON_LEFT   0x04
#define	MV_KEY_MODIFIER_SHIFT_DOWN   0x10
#define	MV_KEY_MODIFIER_ALT_DOWN   0x20
#define	MV_KEY_MODIFIER_CAPS_ON   0x04
#define	MV_KEY_MODIFIER_NUN_LOCK_ON   0x02
#define	MV_KEY_SCROLL_LOCK_ON   0x01
#define	MV_KEY_MODE_ASCII   0x01
#define	MV_KEY_MODE_SCANCODE   0x00
#define	MV_KDGKBMODE   0x4B44 /* gets current keyboard mode */
#define	MV_KDSKBMODE   0x4B45 /* sets current keyboard mode */

Enumerations
enum	MW_INPUT_DEVICE_TYPE {   MV_UID_INVALID = 0, MV_UID_REL_POS = 1, MV_UID_ABS_POS = 2, MV_UID_KBD = 3,   MV_UID_TIMER = 4 }

Functions
int	uid_open_queue (const char *q_name, int flags, size_t max_msgs)
int	uid_close_queue (void)
int	uid_read_message (struct MW_UID_MESSAGE *m, unsigned long timeout)
int	uid_send_message (struct MW_UID_MESSAGE *m)
int	uid_register_device (int fd, const char *q_name)
int	uid_unregister_device (int fd)
int	uid_set_kbd_mode (int fd, int mode, int *old_mode)
void	uid_print_message (struct MW_UID_MESSAGE *uid)
void	uid_print_message_with_plugin (const rtems_printer *printer, struct MW_UID_MESSAGE *uid)

Detailed Description

Function Documentation

uid_close_queue()

int uid_close_queue

(

void

)

This method closes the message queue and deletes it.

Return values

This	method returns 0 on success and -1 on error.

uid_open_queue()

int uid_open_queue	(	const char *	q_name,
		int	flags,
		size_t	max_msgs
	)

This method creates the message queue that holds events from the input devices.

Parameters

[in]	q_name	is the name of the message queue
[in]	flags	controls the behaviour of the queue
[in]	max_msgs	specifies the maximum number of pending messages

Note

The message queue is from the Classic API.

Return values

This	method returns 0 on success and -1 on error.

uid_print_message()

void uid_print_message

(

struct MW_UID_MESSAGE *

uid

)

This methods prints the specified UID message using printk

Parameters

[in]

uid

points to the message to print

uid_print_message_with_plugin()

void uid_print_message_with_plugin	(	const rtems_printer *	printer,
		struct MW_UID_MESSAGE *	uid
	)

This methods prints the specified UID message using your fprintf style method of choice.

Parameters

[in]	RTEMS	printer
[in]	uid	points to the message to print

uid_read_message()

int uid_read_message	(	struct MW_UID_MESSAGE *	m,
		unsigned long	timeout
	)

This method reads a message from the queue. It waits up to the specified timeout in miliseconds. A timeout of 0 is a poll.

Parameters

[in]	m	will be filled in with the received message
[in]	timeout	is the maximum number of mulliseconds to wait

Return values

This	method returns 0 on success and -1 on error.

uid_register_device()

int uid_register_device	(	int	fd,
		const char *	q_name
	)

This method registers the device associated with fd to to insert data to the queue

uid_send_message()

int uid_send_message

(

struct MW_UID_MESSAGE *

m

)

This methods writes a message to the queue.

Parameters

[in]

m

is the message to send

Return values

This	method returns 0 on success and -1 on error.