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-rw-r--r--cpukit/libmisc/fb/fb.h91
-rw-r--r--cpukit/libmisc/fb/mw_print.c92
-rw-r--r--cpukit/libmisc/fb/mw_uid.c150
-rw-r--r--cpukit/libmisc/fb/mw_uid.h185
4 files changed, 518 insertions, 0 deletions
diff --git a/cpukit/libmisc/fb/fb.h b/cpukit/libmisc/fb/fb.h
new file mode 100644
index 0000000000..cf49d7bd91
--- /dev/null
+++ b/cpukit/libmisc/fb/fb.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2000 - Rosimildo da Silva
+ *
+ * MODULE DESCRIPTION:
+ * Micro FrameBuffer interface for Embedded Systems.
+ *
+ * $Id$
+ */
+
+#ifndef _MW_FB_H
+#define _MW_FB_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ioctls
+ 0x46 is 'F' */
+#define FBIOGET_VSCREENINFO 0x4600
+#define FBIOPUT_VSCREENINFO 0x4601
+#define FBIOGET_FSCREENINFO 0x4602
+#define FBIOGETCMAP 0x4604
+#define FBIOPUTCMAP 0x4605
+#define FB_EXEC_FUNCTION 0x4606
+#define FBIOSWAPBUFFERS 0x4607
+#define FBIOSETBUFFERMODE 0x4608
+
+#define FB_SINGLE_BUFFERED 0
+#define FB_TRIPLE_BUFFERED 1
+
+#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
+#define FB_TYPE_PLANES 1 /* Non interleaved planes */
+#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
+#define FB_TYPE_TEXT 3 /* Text/attributes */
+#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
+#define FB_TYPE_VIRTUAL_BUFFER 5 /* Virtual Buffer */
+
+
+#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
+#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
+#define FB_VISUAL_TRUECOLOR 2 /* True color */
+#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
+#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
+#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
+
+#define FB_ACCEL_NONE 0 /* no hardware accelerator */
+
+struct fb_bitfield {
+ uint32_t offset; /* beginning of bitfield */
+ uint32_t length; /* length of bitfield */
+ uint32_t msb_right; /* != 0 : Most significant bit is */
+ /* right */
+};
+
+struct fb_var_screeninfo {
+ uint32_t xres; /* visible resolution */
+ uint32_t yres;
+ uint32_t bits_per_pixel; /* guess what */
+ struct fb_bitfield red; /* bitfield in fb mem if true color, */
+ struct fb_bitfield green; /* else only length is significant */
+ struct fb_bitfield blue;
+ struct fb_bitfield transp; /* transparency */
+};
+
+struct fb_fix_screeninfo {
+ volatile char *smem_start; /* Start of frame buffer mem */
+ /* (physical address) */
+ uint32_t smem_len; /* Length of frame buffer mem */
+ uint32_t type; /* see FB_TYPE_* */
+ uint32_t visual; /* see FB_VISUAL_* */
+ uint32_t line_length; /* number of chars per line */
+};
+
+struct fb_cmap {
+ uint32_t start; /* First entry */
+ uint32_t len; /* Number of entries */
+ uint16_t *red; /* Red values */
+ uint16_t *green;
+ uint16_t *blue;
+ uint16_t *transp; /* transparency, can be NULL */
+};
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MW_FB_H */
diff --git a/cpukit/libmisc/fb/mw_print.c b/cpukit/libmisc/fb/mw_print.c
new file mode 100644
index 0000000000..4e8abf2bd8
--- /dev/null
+++ b/cpukit/libmisc/fb/mw_print.c
@@ -0,0 +1,92 @@
+/*
+ * COPYRIGHT (c) 1989-2011.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/mw_uid.h>
+#include <stdio.h>
+
+const char *uid_buttons(
+ unsigned short btns,
+ char *buffer,
+ size_t max
+)
+{
+ snprintf(
+ buffer,
+ max,
+ "LEFT=%s CENTER=%s RIGHT=%s",
+ ((btns & MV_BUTTON_LEFT) ? "down" : "up"),
+ ((btns & MV_BUTTON_CENTER) ? "down" : "up"),
+ ((btns & MV_BUTTON_RIGHT) ? "down" : "up")
+ );
+ return buffer;
+}
+
+void uid_print_message(
+ struct MW_UID_MESSAGE *uid
+)
+{
+ uid_print_message_with_plugin( NULL, printk_plugin, uid );
+}
+
+void uid_print_message_with_plugin(
+ void *context,
+ rtems_printk_plugin_t handler,
+ struct MW_UID_MESSAGE *uid
+)
+{
+ char buttons[80];
+
+ switch (uid->type) {
+ case MV_UID_INVALID:
+ (*handler)( context, "MV_UID_INVALID\n" );
+ break;
+ case MV_UID_REL_POS:
+ (*handler)(
+ context,
+ "MV_UID_REL_POS - %s x=%d y=%d z=%d\n",
+ uid_buttons( uid->m.pos.btns, buttons, sizeof(buttons)),
+ uid->m.pos.x, /* x location */
+ uid->m.pos.y, /* y location */
+ uid->m.pos.z /* z location, 0 for 2D */
+ );
+ break;
+ case MV_UID_ABS_POS:
+ (*handler)(
+ context,
+ "MV_UID_ABS_POS - %s x=%d y=%d z=%d\n",
+ uid_buttons( uid->m.pos.btns, buttons, sizeof(buttons)),
+ uid->m.pos.x, /* x location */
+ uid->m.pos.y, /* y location */
+ uid->m.pos.z /* z location, 0 for 2D */
+ );
+ break;
+ case MV_UID_KBD:
+ (*handler)( context,
+ "MV_UID_KBD - code=0x%04x modifiers=0x%02x mode=0x%02x\n",
+ uid->m.kbd.code, /* keycode or scancode */
+ uid->m.kbd.modifiers, /* key modifiers */
+ uid->m.kbd.mode /* current Kbd mode */
+ );
+ break;
+ case MV_UID_TIMER:
+ (*handler)( context, "MV_UID_TIMER\n" );
+ break;
+ default:
+ (*handler)( context, "Invalid device type\n" );
+ break;
+ }
+
+}
+
diff --git a/cpukit/libmisc/fb/mw_uid.c b/cpukit/libmisc/fb/mw_uid.c
new file mode 100644
index 0000000000..e3cf34f276
--- /dev/null
+++ b/cpukit/libmisc/fb/mw_uid.c
@@ -0,0 +1,150 @@
+/*
+ *
+ * Copyright (c) 2000 - Rosimildo da Silva
+ *
+ * MODULE DESCRIPTION:
+ * This module implements the input devices interface used by MicroWindows
+ * in an embedded system environment. It uses the RTEMS message queue as
+ * the repository for the messages posted by the devices registered.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <rtems.h>
+
+#include <rtems/mw_uid.h>
+#include <rtems/seterr.h>
+
+static rtems_id queue_id = 0;
+static int open_count = 0;
+
+/*
+#define MW_DEBUG_ON 1
+*/
+
+/* open a message queue with the kernel */
+int uid_open_queue(
+ const char *q_name,
+ int flags __attribute__((unused)),
+ size_t max_msgs
+)
+{
+ rtems_status_code status;
+
+ /*
+ * For the first device calling this function we would create the queue.
+ * It is assumed that this call is done at initialization, and no concerns
+ * regarding multi-threading is taken in consideration here.
+ */
+ if ( open_count ) {
+ open_count++;
+ return 0;
+ }
+
+ status = rtems_message_queue_create(
+ rtems_build_name( q_name[0], q_name[1], q_name[2], q_name[3] ),
+ max_msgs,
+ sizeof( struct MW_UID_MESSAGE ),
+ RTEMS_FIFO | RTEMS_LOCAL,
+ &queue_id
+ );
+ if ( status != RTEMS_SUCCESSFUL ) {
+ #ifdef MW_DEBUG_ON
+ printk( "UID_Queue: error creating queue: %d\n", status );
+ #endif
+ return -1;
+ }
+ #ifdef MW_DEBUG_ON
+ printk( "UID_Queue: id=%X\n", queue_id );
+ #endif
+ open_count++;
+ return 0;
+}
+
+
+/* close message queue */
+int uid_close_queue( void )
+{
+ if ( open_count == 1 ) {
+ rtems_message_queue_delete( queue_id );
+ queue_id = 0;
+ }
+ open_count--;
+ return 0;
+}
+
+/* reads for a message from the device */
+int uid_read_message( struct MW_UID_MESSAGE *m, unsigned long timeout )
+{
+ rtems_status_code status;
+ size_t size = 0;
+ unsigned long micro_secs = timeout*1000;
+ int wait = (timeout != 0);
+
+ status = rtems_message_queue_receive(
+ queue_id,
+ (void*)m,
+ &size,
+ wait ? RTEMS_WAIT : RTEMS_NO_WAIT,
+ RTEMS_MICROSECONDS_TO_TICKS(micro_secs)
+ );
+
+ if( status == RTEMS_SUCCESSFUL ) {
+ return size;
+ } else if( ( status == RTEMS_UNSATISFIED ) || ( status == RTEMS_TIMEOUT ) ) {
+ rtems_set_errno_and_return_minus_one( ETIMEDOUT );
+ }
+ /* Here we have one error condition */
+ #ifdef MW_DEBUG_ON
+ printk( "UID_Queue: error reading queue: %d\n", status );
+ #endif
+ return -1;
+}
+
+/*
+ * add a message to the queue of events. This method can be used to
+ * simulate hardware events, and it can be very handy during development
+ * a new interface.
+ */
+int uid_send_message( struct MW_UID_MESSAGE *m )
+{
+ rtems_status_code status;
+ status = rtems_message_queue_send(
+ queue_id, ( void * )m, sizeof( struct MW_UID_MESSAGE ) );
+ return (status == RTEMS_SUCCESSFUL) ? 0 : -1;
+}
+
+/*
+ * register the device to insert events to the message
+ * queue named as the value passed in q_name
+ */
+int uid_register_device( int fd, const char *q_name )
+{
+ return ioctl( fd, MW_UID_REGISTER_DEVICE, q_name );
+}
+
+/* tell this device to stop adding events to the queue */
+int uid_unregister_device( int fd )
+{
+ return ioctl( fd, MW_UID_UNREGISTER_DEVICE, NULL );
+}
+
+/* set the keyboard */
+int uid_set_kbd_mode( int fd, int mode, int *old_mode )
+{
+ if (ioctl( fd, MV_KDGKBMODE, old_mode) < 0) {
+ return -1;
+ }
+ if (ioctl(fd, MV_KDSKBMODE, mode ) < 0 ) {
+ return -1;
+ }
+ return 0;
+}
diff --git a/cpukit/libmisc/fb/mw_uid.h b/cpukit/libmisc/fb/mw_uid.h
new file mode 100644
index 0000000000..89f440acf4
--- /dev/null
+++ b/cpukit/libmisc/fb/mw_uid.h
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2000 - Rosimildo da Silva
+ *
+ * MODULE DESCRIPTION:
+ * This module defines the interface for input devices used by MicroWindows
+ * in an embedded system environment.
+ *
+ * $Id$
+ */
+
+#ifndef _MW_UID_H
+#define _MW_UID_H
+
+#include <sys/types.h>
+#include <rtems/bspIo.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* 0x41XX -- IOCTL 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.
+ */
+
+/**
+ * This method creates the message queue that holds events from the
+ * input devices.
+ *
+ * @param[in] q_name is the name of the message queue
+ * @param[in] flags controls the behaviour of the queue
+ * @param[in] max_msgs specifies the maximum number of pending messages
+ *
+ * @note The message queue is from the Classic API.
+ *
+ * @return This method returns 0 on success and -1 on error.
+ */
+extern int uid_open_queue( const char *q_name, int flags, size_t max_msgs );
+
+/**
+ * This method closes the message queue and deletes it.
+ *
+ * @return This method returns 0 on success and -1 on error.
+ */
+extern int uid_close_queue( void );
+
+/**
+ * This method reads a message from the queue. It waits up to the specified
+ * timeout in miliseconds. A @a timeout of 0 is a poll.
+ *
+ * @param[in] m will be filled in with the received message
+ * @param[in] timeout is the maximum number of mulliseconds to wait
+ *
+ * @return This method returns 0 on success and -1 on error.
+ */
+extern int uid_read_message( struct MW_UID_MESSAGE *m, unsigned long timeout );
+
+/**
+ * This methods writes a message to the queue.
+ *
+ * @param[in] m is the message to send
+ *
+ * @return This method returns 0 on success and -1 on error.
+ */
+extern int uid_send_message( struct MW_UID_MESSAGE *m );
+
+/**
+ * This method registers the device associated with @a fd to
+ * 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 );
+
+/**
+ * This methods prints the specified UID message using printk
+ *
+ * @param[in] uid points to the message to print
+ */
+void uid_print_message(
+ struct MW_UID_MESSAGE *uid
+);
+
+/**
+ * This methods prints the specified UID message using your fprintf
+ * style method of choice.
+ *
+ * @param[in] context is a pointer to a data area which may be
+ * used by some print handlers
+ * @param[in] handler is the fprintf style method to invoke
+ * @param[in] uid points to the message to print
+ */
+void uid_print_message_with_plugin(
+ void *context,
+ rtems_printk_plugin_t handler,
+ struct MW_UID_MESSAGE *uid
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MW_UID_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 05:07:05 +0000