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cb09a5da6a
* Makefile.am, preinstall.am, libmisc/Makefile.am: Changed the name of mw-fb directory into fb. Relocated files. * libmisc/fb/fb.h, libmisc/fb/mw_uid.c, libmisc/fb/mw_uid.h: New files. * libmisc/mw-fb/fb.h, libmisc/mw-fb/mw_uid.c, libmisc/mw-fb/mw_uid.h: Removed.
138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/*
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* Copyright (c) 2000 - Rosimildo da Silva
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*
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* MODULE DESCRIPTION:
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* This module defines the interface for input devices used by MicroWindows
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* in an embedded system environment.
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*
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* $Id$
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*/
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#ifndef _MW_UID_H
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#define _MW_UID_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* 0x41XX -- IOCLT functions for the Micro Input Devices commands */
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#define MW_UID_REGISTER_DEVICE 0x4100
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#define MW_UID_UNREGISTER_DEVICE 0x4101
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/* devices supported by MicroWindows */
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enum MW_INPUT_DEVICE_TYPE
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{
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MV_UID_INVALID = 0,
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MV_UID_REL_POS = 1, /* mouse */
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MV_UID_ABS_POS = 2, /* touch-screen */
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MV_UID_KBD = 3, /* keyboard */
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MV_UID_TIMER = 4 /* timer -- not used */
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};
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/* matching MicroWindows */
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#define MV_BUTTON_RIGHT 0x01
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#define MV_BUTTON_CENTER 0x02
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#define MV_BUTTON_LEFT 0x04
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/* modifiers of the keyboard type devices */
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#define MV_KEY_MODIFIER_SHIFT_DOWN 0x10
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#define MV_KEY_MODIFIER_ALT_DOWN 0x20
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/* indication of the LEDS */
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#define MV_KEY_MODIFIER_CAPS_ON 0x04
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#define MV_KEY_MODIFIER_NUN_LOCK_ON 0x02
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#define MV_KEY_SCROLL_LOCK_ON 0x01
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/* keyboard modes -- default ASCII */
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#define MV_KEY_MODE_ASCII 0x01
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/*
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* This mode one event is sent when a key is pressed,
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* and another one is send when a key is released.
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*/
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#define MV_KEY_MODE_SCANCODE 0x00
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/* these defines match with the linux keyboard range
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for ioctls functions for the keyboard interface.
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0x4BXX --- keyboard related functions
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*/
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#define MV_KDGKBMODE 0x4B44 /* gets current keyboard mode */
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#define MV_KDSKBMODE 0x4B45 /* sets current keyboard mode */
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/*
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* Message generated by input devices controlled by MicroWindows.
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*/
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struct MW_UID_MESSAGE
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{
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enum MW_INPUT_DEVICE_TYPE type; /* device type */
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union
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{
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/* fired when keyboard events are raised */
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struct kbd_t {
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unsigned short code; /* keycode or scancode */
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unsigned char modifiers; /* key modifiers */
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unsigned char mode; /* current Kbd mode */
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} kbd;
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/* fired when position events are raised, mouse, touch screen, etc */
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struct pos_t {
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unsigned short btns; /* indicates which buttons are pressed */
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short x; /* x location */
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short y; /* y location */
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short z; /* z location, 0 for 2D */
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} pos;
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/* fired by a timer device periodically */
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struct timer_t {
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unsigned long frt; /* free running timer */
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unsigned long seq; /* sequence number */
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} tmr;
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} m;
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};
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/*
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* API for creating/closing/accessing the message queue used by the micro
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* input device interface. All functions in this interface returns a
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* zero ( 0 ) on success. One exception for that is the "read" routine
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* that returns the number of bytes read. Negaive numbers indicate errors
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*
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* The implementation of the message queue for RTEMS uses a POSIX message
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* queue interface. It should be very portable among systems with a POSIX
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* support.
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*/
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/* creates the message queue that holds events from the input devices */
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extern int uid_open_queue( const char *q_name, int flags, size_t max_msgs );
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/* closes message queue */
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extern int uid_close_queue( void );
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/*
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* reads a message from the queue. It waits up to the specified
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* timeout in mili-seconds.
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*/
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extern int uid_read_message( struct MW_UID_MESSAGE *m, unsigned long timeout );
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/* write a message to the queue */
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extern int uid_write_message( struct MW_UID_MESSAGE *m );
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/* register device to insert data to the queue */
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extern int uid_register_device( int fd, const char *q_name );
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/* unregister device to stop adding messages to the queue */
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extern int uid_unregister_device( int fd );
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/* set the keyboard */
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extern int uid_set_kbd_mode( int fd, int mode, int *old_mode );
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#ifdef __cplusplus
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}
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#endif
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#endif /* _MW_UID_H */
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