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-rw-r--r--c/src/libmisc/mw-fb/mw_uid.h143
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
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+++ b/c/src/libmisc/mw-fb/mw_uid.h
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+/*
+/////////////////////////////////////////////////////////////////////////////
+// $Header$
+//
+// 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 */