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Diffstat (limited to '')
-rw-r--r-- | c/src/libmisc/mw-fb/mw_uid.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/c/src/libmisc/mw-fb/mw_uid.h b/c/src/libmisc/mw-fb/mw_uid.h new file mode 100644 index 0000000000..459c3a057c --- /dev/null +++ b/c/src/libmisc/mw-fb/mw_uid.h @@ -0,0 +1,143 @@ +/* +///////////////////////////////////////////////////////////////////////////// +// $Header$ +// +// Copyright (c) 2000 - Rosimildo da Silva +// +// MODULE DESCRIPTION: +// This module defines the interface for input devices used by MicroWindows +// in an embedded system environment. +// +// MODIFICATION/HISTORY: +// +// $Log$ +// +///////////////////////////////////////////////////////////////////////////// +*/ +#ifndef _MW_UID_H +#define _MW_UID_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* 0x41XX -- IOCLT functions for the Micro Input Devices commands */ +#define MW_UID_REGISTER_DEVICE 0x4100 +#define MW_UID_UNREGISTER_DEVICE 0x4101 + + +/* devices supported by MicroWindows */ +enum MW_INPUT_DEVICE_TYPE +{ + MV_UID_INVALID = 0, + MV_UID_REL_POS = 1, /* mouse */ + MV_UID_ABS_POS = 2, /* touch-screen */ + MV_UID_KBD = 3, /* keyboard */ + MV_UID_TIMER = 4 /* timer -- not used */ +}; + + +/* matching MicroWindows */ +#define MV_BUTTON_RIGHT 0x01 +#define MV_BUTTON_CENTER 0x02 +#define MV_BUTTON_LEFT 0x04 + +/* modifiers of the keyboard type devices */ +#define MV_KEY_MODIFIER_SHIFT_DOWN 0x10 +#define MV_KEY_MODIFIER_ALT_DOWN 0x20 + +/* indication of the LEDS */ +#define MV_KEY_MODIFIER_CAPS_ON 0x04 +#define MV_KEY_MODIFIER_NUN_LOCK_ON 0x02 +#define MV_KEY_SCROLL_LOCK_ON 0x01 + +/* keyboard modes -- default ASCII */ +#define MV_KEY_MODE_ASCII 0x01 +/* + * This mode one event is sent when a key is pressed, + * and another one is send when a key is released. + */ +#define MV_KEY_MODE_SCANCODE 0x00 + + +/* these defines match with the linux keyboard range + for ioctls functions for the keyboard interface. + 0x4BXX --- keyboard related functions + */ +#define MV_KDGKBMODE 0x4B44 /* gets current keyboard mode */ +#define MV_KDSKBMODE 0x4B45 /* sets current keyboard mode */ + +/* + * Message generated by input devices controlled by MicroWindows. + */ +struct MW_UID_MESSAGE +{ + enum MW_INPUT_DEVICE_TYPE type; /* device type */ + union + { + /* fired when keyboard events are raised */ + struct kbd_t { + unsigned short code; /* keycode or scancode */ + unsigned char modifiers; /* key modifiers */ + unsigned char mode; /* current Kbd mode */ + } kbd; + + /* fired when position events are raised, mouse, touch screen, etc */ + struct pos_t { + unsigned short btns; /* indicates which buttons are pressed */ + short x; /* x location */ + short y; /* y location */ + short z; /* z location, 0 for 2D */ + } pos; + + /* fired by a timer device periodically */ + struct timer_t { + unsigned long frt; /* free running timer */ + unsigned long seq; /* sequence number */ + } tmr; + + } m; +}; + + +/* + * API for creating/closing/accessing the message queue used by the micro + * input device interface. All functions in this interface returns a + * zero ( 0 ) on success. One exception for that is the "read" routine + * that returns the number of bytes read. Negaive numbers indicate errors + * + * The implementation of the message queue for RTEMS uses a POSIX message + * queue interface. It should be very portable among systems with a POSIX + * support. + */ + +/* creates the message queue that holds events from the input devices */ +extern int uid_open_queue( const char *q_name, int flags, size_t max_msgs ); + +/* closes message queue */ +extern int uid_close_queue( void ); + +/* + * reads a message from the queue. It waits up to the specified + * timeout in mili-seconds. + */ +extern int uid_read_message( struct MW_UID_MESSAGE *m, unsigned long timeout ); + +/* write a message to the queue */ +extern int uid_write_message( struct MW_UID_MESSAGE *m ); + + +/* register device to insert data to the queue */ +extern int uid_register_device( int fd, const char *q_name ); + +/* unregister device to stop adding messages to the queue */ +extern int uid_unregister_device( int fd ); + +/* set the keyboard */ +extern int uid_set_kbd_mode( int fd, int mode, int *old_mode ); + +#ifdef __cplusplus +} +#endif + +#endif /* _MW_UID_H */ |