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2000-08-26 Rosimildo da Silva <rdasilva@connecttel.com>

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* Added generic Micro FrameBuffer interface for MicroWindows.
	This interface allows MicroWindows to under RTEMS. A sample
	driver has been developed for the pc386 BSP. See
	pc386/fb_vga.c as a sample.
	* Added Uniform Input Device interface for MicroWindows.
	See PC386 bsp for sample drivers for mouse and keyboard (console).
	* mw-bf: New directory.
	* Makefile.am, configure.in, wrapup/Makefile.am: Account for mw-fb.
	* mw-fb/Makefile.am: New file.
	* mw-fb/mw_fb.c: New file.
	* mw-fb/mw_fb.h: New file.
	* mw-fb/mw_uid.c: New file.
	* mw-fb/mw_uid.h: New file.
This commit is contained in:
Joel Sherrill
2000-08-30 08:21:24 +00:00
parent b45952659c
commit 152b1e31c3
17 changed files with 1297 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
c/src/libmisc/ChangeLog
View File

@@ -1,3 +1,19 @@
2000-08-26 Rosimildo da Silva <rdasilva@connecttel.com>
* Added generic Micro FrameBuffer interface for MicroWindows.
This interface allows MicroWindows to under RTEMS. A sample
driver has been developed for the pc386 BSP. See
pc386/fb_vga.c as a sample.
* Added Uniform Input Device interface for MicroWindows.
See PC386 bsp for sample drivers for mouse and keyboard (console).
* mw-bf: New directory.
* Makefile.am, configure.in, wrapup/Makefile.am: Account for mw-fb.
* mw-fb/Makefile.am: New file.
* mw-fb/mw_fb.c: New file.
* mw-fb/mw_fb.h: New file.
* mw-fb/mw_uid.c: New file.
* mw-fb/mw_uid.h: New file.
2000-08-10 Joel Sherrill <joel@OARcorp.com>
* ChangeLog: New file.

2
c/src/libmisc/Makefile.am
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@@ -5,7 +5,7 @@
AUTOMAKE_OPTIONS = foreign 1.4
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
SUBDIRS = dummy dumpbuf stackchk monitor cpuuse rtmonuse untar wrapup
SUBDIRS = dummy dumpbuf stackchk monitor cpuuse rtmonuse untar mw-fb wrapup
EXTRA_DIST = README

1
c/src/libmisc/configure.in
View File

@@ -39,5 +39,6 @@ monitor/Makefile
rtmonuse/Makefile
stackchk/Makefile
untar/Makefile
mw-fb/Makefile
wrapup/Makefile
)

40
c/src/libmisc/mw-fb/Makefile.am Normal file
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@@ -0,0 +1,40 @@
##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
LIBNAME = libmw-fb-tmp
LIB = ${ARCH}/${LIBNAME}.a
C_FILES = mw_fb.c mw_uid.c
C_O_FILES = $(C_FILES:%.c=${ARCH}/%.o)
H_FILES = mw_fb.h mw_uid.h
noinst_HEADERS = $(H_FILES)
SRCS = $(C_FILES) $(H_FILES)
OBJS = $(C_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../automake/lib.am
PREINSTALL_FILES = $(PROJECT_INCLUDE)/rtems $(H_FILES:%=$(PROJECT_INCLUDE)/rtems/%)
$(PROJECT_INCLUDE)/rtems:
@$(mkinstalldirs) $@
$(PROJECT_INCLUDE)/rtems/%.h: %.h
$(INSTALL_DATA) $< $@
#
# (OPTIONAL) Add local stuff here using +=
#
${LIB}: ${OBJS}
$(make-library)
all: ${ARCH} $(PREINSTALL_FILES) $(LIB) $(TMPINSTALL_FILES)
EXTRA_DIST += $(C_FILES) $(H_FILES)
include $(top_srcdir)/../../../automake/local.am

137
c/src/libmisc/mw-fb/mw_fb.c Normal file
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@@ -0,0 +1,137 @@
/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// Copyright (c) 2000 - Rosimildo da Silva
//
// MODULE DESCRIPTION:
// Wrapper API around the ioctls calls for the Micro FrameBuffer
// interface for Embedded Systems
//
// All functions returns 0 on success. Any other value should be
// decoded as an error. A list of errors will be created over time.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#include <sys/ioctl.h>
#include <rtems/mw_fb.h>
/*
* This function returns the information regarding the display.
* It is called just after the driver be opened to get all needed
* information about the driver. No change in the mode of operation
* of the driver is done with this call.
*/
int ufb_get_screen_info( int fd, struct fb_screeninfo *info )
{
return ioctl( fd, FB_SCREENINFO, ( void *)info);
}
/*
* Returns the mode of the graphics subsystem
*/
int ufb_get_mode( int fd, int *mode )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_GET_MODE;
exec.param = ( void *)mode;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Returns the current collor pallete
*/
int ufb_get_palette( int fd, struct fb_cmap *color )
{
return ioctl( fd, FB_GETPALETTE, ( void *)color );
}
/*
* Set the current collor pallete
*/
int ufb_set_palette( int fd, struct fb_cmap *color )
{
return ioctl( fd, FB_SETPALETTE, ( void *)color );
}
/*
* Does all necessary initialization to put the device in
* graphics mode
*/
int ufb_enter_graphics( int fd, int mode )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_ENTER_GRAPHICS;
exec.param = ( void *)mode;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Switch the device back to the default mode of operation.
* In most cases it put the device back to plain text mode.
*/
int ufb_exit_graphics( int fd )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_EXIT_GRAPHICS;
exec.param = 0;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Tell the driver that the "virtual buffer" is dirty, and an update
* of it to the real device, maybe a serial/parallel LCD or whatever
* is required
*/
int ufb_buffer_is_dirty( int fd )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_IS_DIRTY;
exec.param = 0;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* This function maps the physical ( kernel mode ) address of the framebuffer device
* and maps it to the user space address.
*/
int ufb_mmap_to_user_space( int fd, void **fb_addr, void *physical_addr, unsigned long size )
{
#ifdef __rtems__
/* RTEMS runs in ring 0, and there is no distinction between
user space and kernel space, so we just return the same
pointer to the caller.
*/
*fb_addr = physical_addr;
return 0;
#else
/* other kernels might want to map it to the user space,
maybe using mmap()
*/
return 0;
#endif
}
/*
* This function unmaps memory of the FB from the user's space
*/
int ufb_unmmap_from_user_space( int fd, void *addr )
{
return 0;
}

153
c/src/libmisc/mw-fb/mw_fb.h Normal file
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@@ -0,0 +1,153 @@
/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// Copyright (c) 2000 - Rosimildo da Silva
//
// MODULE DESCRIPTION:
// Micro FrameBuffer interface for Embedded Systems.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#ifndef _MW_FB_H
#define _MW_FB_H
#ifdef __cplusplus
extern "C" {
#endif
/* ioctls
0x46 is 'F' */
#define FB_SCREENINFO 0x4601
#define FB_GETPALETTE 0x4602
#define FB_SETPALETTE 0x4603
#define FB_EXEC_FUNCTION 0x4604
#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 */
/* no dependency on any other header file */
typedef unsigned long __u32;
typedef unsigned short __u16;
struct fb_screeninfo {
__u32 xres; /* visible resolution */
__u32 yres;
__u32 bits_per_pixel; /* guess what */
__u32 line_length; /* number of chars per line */
volatile char *smem_start; /* Start of frame buffer mem */
/* (physical address) */
__u32 smem_len; /* Length of frame buffer mem */
__u32 type; /* see FB_TYPE_* */
__u32 visual; /* see FB_VISUAL_* */
};
struct fb_cmap {
__u32 start; /* First entry */
__u32 len; /* Number of entries */
__u16 *red; /* Red values */
__u16 *green;
__u16 *blue;
__u16 *transp; /* transparency, can be NULL */
};
/* type of function to be executed at the driver level */
#define FB_FUNC_ENTER_GRAPHICS 0
#define FB_FUNC_EXIT_GRAPHICS 1
#define FB_FUNC_IS_DIRTY 2
#define FB_FUNC_GET_MODE 3
struct fb_exec_function
{
int func_no;
void *param;
};
/* Micro Framebuffer API Wrapper */
/*
* This function returns the information regarding the display.
* It is called just after the driver be opened to get all needed
* information about the driver. No change in the mode of operation
* of the driver is done with this call.
*/
extern int ufb_get_screen_info( int fd, struct fb_screeninfo *info );
/*
* Returns the mode of the graphics subsystem
*/
extern int ufb_get_mode( int fd, int *mode );
/*
* Returns the current collor pallete
*/
extern int ufb_get_palette( int fd, struct fb_cmap *color );
/*
* Set the current collor pallete
*/
extern int ufb_set_palette( int fd, struct fb_cmap *color );
/*
* Does all necessary initialization to put the device in
* graphics mode
*/
extern int ufb_enter_graphics( int fd, int mode );
/*
* Switch the device back to the default mode of operation.
* In most cases it put the device back to plain text mode.
*/
extern int ufb_exit_graphics( int fd );
/*
* Tell the driver that the "virtual buffer" is dirty, and an update
* of it to the real device, maybe a serial/parallel LCD or whatever
* is required
*/
extern int ufb_buffer_is_dirty( int fd );
/*
* This function maps the physical ( kernel mode ) address of the framebuffer device
* and maps it to the user space address.
*/
int ufb_mmap_to_user_space( int fd, void **fb_addr, void *physical_addr, unsigned long size );
/*
* This function unmaps memory of the FB from the user's space
*/
int ufb_unmmap_from_user_space( int fd, void *addr );
#ifdef __cplusplus
}
#endif
#endif /* _MW_FB_H */

157
c/src/libmisc/mw-fb/mw_uid.c Normal file
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@@ -0,0 +1,157 @@
/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// 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.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <rtems.h>
#include <bsp.h>
#include <rtems/mw_uid.h>
#include <rtems/posix/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, size_t max_msgs )
{
static rtems_name queue_name;
/*
* 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 )
{
rtems_status_code status;
queue_name = rtems_build_name( q_name[0],
q_name[1],
q_name[2],
q_name[3] );
status = rtems_message_queue_create( queue_name,
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;
rtems_unsigned32 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,
TOD_MICROSECONDS_TO_TICKS(micro_secs ) );
if( status == RTEMS_SUCCESSFUL )
{
return size;
}
else if( ( status == RTEMS_UNSATISFIED ) || ( status == RTEMS_TIMEOUT ) )
{
/* this macro returns -1 */
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 cna 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;
}

143
c/src/libmisc/mw-fb/mw_uid.h Normal file
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@@ -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 */

2
c/src/libmisc/wrapup/Makefile.am
View File

@@ -13,7 +13,7 @@ include $(top_srcdir)/../../../automake/lib.am
TMP_LIBS = ../monitor/$(ARCH)/libmonitor-tmp.a \
../untar/$(ARCH)/libuntar-tmp.a ../stackchk/$(ARCH)/libstackchk-tmp.a \
../cpuuse/$(ARCH)/libcpuuse-tmp.a ../rtmonuse/$(ARCH)/librtmonuse-tmp.a \
../dumpbuf/$(ARCH)/libdumpbuf-tmp.a
../dumpbuf/$(ARCH)/libdumpbuf-tmp.a ../mw-fb/$(ARCH)/libmw-fb-tmp.a
$(PROJECT_RELEASE)/lib/$(LIBNAME)$(LIB_VARIANT).a: $(LIB)
$(INSTALL_DATA) $< $@

16
cpukit/libmisc/ChangeLog
View File

@@ -1,3 +1,19 @@
2000-08-26 Rosimildo da Silva <rdasilva@connecttel.com>
* Added generic Micro FrameBuffer interface for MicroWindows.
This interface allows MicroWindows to under RTEMS. A sample
driver has been developed for the pc386 BSP. See
pc386/fb_vga.c as a sample.
* Added Uniform Input Device interface for MicroWindows.
See PC386 bsp for sample drivers for mouse and keyboard (console).
* mw-bf: New directory.
* Makefile.am, configure.in, wrapup/Makefile.am: Account for mw-fb.
* mw-fb/Makefile.am: New file.
* mw-fb/mw_fb.c: New file.
* mw-fb/mw_fb.h: New file.
* mw-fb/mw_uid.c: New file.
* mw-fb/mw_uid.h: New file.
2000-08-10 Joel Sherrill <joel@OARcorp.com>
* ChangeLog: New file.

2
cpukit/libmisc/Makefile.am
View File

@@ -5,7 +5,7 @@
AUTOMAKE_OPTIONS = foreign 1.4
ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal
SUBDIRS = dummy dumpbuf stackchk monitor cpuuse rtmonuse untar wrapup
SUBDIRS = dummy dumpbuf stackchk monitor cpuuse rtmonuse untar mw-fb wrapup
EXTRA_DIST = README

40
cpukit/libmisc/mw-fb/Makefile.am Normal file
View File

@@ -0,0 +1,40 @@
##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
LIBNAME = libmw-fb-tmp
LIB = ${ARCH}/${LIBNAME}.a
C_FILES = mw_fb.c mw_uid.c
C_O_FILES = $(C_FILES:%.c=${ARCH}/%.o)
H_FILES = mw_fb.h mw_uid.h
noinst_HEADERS = $(H_FILES)
SRCS = $(C_FILES) $(H_FILES)
OBJS = $(C_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../automake/lib.am
PREINSTALL_FILES = $(PROJECT_INCLUDE)/rtems $(H_FILES:%=$(PROJECT_INCLUDE)/rtems/%)
$(PROJECT_INCLUDE)/rtems:
@$(mkinstalldirs) $@
$(PROJECT_INCLUDE)/rtems/%.h: %.h
$(INSTALL_DATA) $< $@
#
# (OPTIONAL) Add local stuff here using +=
#
${LIB}: ${OBJS}
$(make-library)
all: ${ARCH} $(PREINSTALL_FILES) $(LIB) $(TMPINSTALL_FILES)
EXTRA_DIST += $(C_FILES) $(H_FILES)
include $(top_srcdir)/../../../automake/local.am

137
cpukit/libmisc/mw-fb/mw_fb.c Normal file
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@@ -0,0 +1,137 @@
/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// Copyright (c) 2000 - Rosimildo da Silva
//
// MODULE DESCRIPTION:
// Wrapper API around the ioctls calls for the Micro FrameBuffer
// interface for Embedded Systems
//
// All functions returns 0 on success. Any other value should be
// decoded as an error. A list of errors will be created over time.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#include <sys/ioctl.h>
#include <rtems/mw_fb.h>
/*
* This function returns the information regarding the display.
* It is called just after the driver be opened to get all needed
* information about the driver. No change in the mode of operation
* of the driver is done with this call.
*/
int ufb_get_screen_info( int fd, struct fb_screeninfo *info )
{
return ioctl( fd, FB_SCREENINFO, ( void *)info);
}
/*
* Returns the mode of the graphics subsystem
*/
int ufb_get_mode( int fd, int *mode )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_GET_MODE;
exec.param = ( void *)mode;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Returns the current collor pallete
*/
int ufb_get_palette( int fd, struct fb_cmap *color )
{
return ioctl( fd, FB_GETPALETTE, ( void *)color );
}
/*
* Set the current collor pallete
*/
int ufb_set_palette( int fd, struct fb_cmap *color )
{
return ioctl( fd, FB_SETPALETTE, ( void *)color );
}
/*
* Does all necessary initialization to put the device in
* graphics mode
*/
int ufb_enter_graphics( int fd, int mode )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_ENTER_GRAPHICS;
exec.param = ( void *)mode;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Switch the device back to the default mode of operation.
* In most cases it put the device back to plain text mode.
*/
int ufb_exit_graphics( int fd )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_EXIT_GRAPHICS;
exec.param = 0;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* Tell the driver that the "virtual buffer" is dirty, and an update
* of it to the real device, maybe a serial/parallel LCD or whatever
* is required
*/
int ufb_buffer_is_dirty( int fd )
{
struct fb_exec_function exec;
exec.func_no = FB_FUNC_IS_DIRTY;
exec.param = 0;
return ioctl( fd, FB_EXEC_FUNCTION , ( void *)&exec );
}
/*
* This function maps the physical ( kernel mode ) address of the framebuffer device
* and maps it to the user space address.
*/
int ufb_mmap_to_user_space( int fd, void **fb_addr, void *physical_addr, unsigned long size )
{
#ifdef __rtems__
/* RTEMS runs in ring 0, and there is no distinction between
user space and kernel space, so we just return the same
pointer to the caller.
*/
*fb_addr = physical_addr;
return 0;
#else
/* other kernels might want to map it to the user space,
maybe using mmap()
*/
return 0;
#endif
}
/*
* This function unmaps memory of the FB from the user's space
*/
int ufb_unmmap_from_user_space( int fd, void *addr )
{
return 0;
}

153
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/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// Copyright (c) 2000 - Rosimildo da Silva
//
// MODULE DESCRIPTION:
// Micro FrameBuffer interface for Embedded Systems.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#ifndef _MW_FB_H
#define _MW_FB_H
#ifdef __cplusplus
extern "C" {
#endif
/* ioctls
0x46 is 'F' */
#define FB_SCREENINFO 0x4601
#define FB_GETPALETTE 0x4602
#define FB_SETPALETTE 0x4603
#define FB_EXEC_FUNCTION 0x4604
#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 */
/* no dependency on any other header file */
typedef unsigned long __u32;
typedef unsigned short __u16;
struct fb_screeninfo {
__u32 xres; /* visible resolution */
__u32 yres;
__u32 bits_per_pixel; /* guess what */
__u32 line_length; /* number of chars per line */
volatile char *smem_start; /* Start of frame buffer mem */
/* (physical address) */
__u32 smem_len; /* Length of frame buffer mem */
__u32 type; /* see FB_TYPE_* */
__u32 visual; /* see FB_VISUAL_* */
};
struct fb_cmap {
__u32 start; /* First entry */
__u32 len; /* Number of entries */
__u16 *red; /* Red values */
__u16 *green;
__u16 *blue;
__u16 *transp; /* transparency, can be NULL */
};
/* type of function to be executed at the driver level */
#define FB_FUNC_ENTER_GRAPHICS 0
#define FB_FUNC_EXIT_GRAPHICS 1
#define FB_FUNC_IS_DIRTY 2
#define FB_FUNC_GET_MODE 3
struct fb_exec_function
{
int func_no;
void *param;
};
/* Micro Framebuffer API Wrapper */
/*
* This function returns the information regarding the display.
* It is called just after the driver be opened to get all needed
* information about the driver. No change in the mode of operation
* of the driver is done with this call.
*/
extern int ufb_get_screen_info( int fd, struct fb_screeninfo *info );
/*
* Returns the mode of the graphics subsystem
*/
extern int ufb_get_mode( int fd, int *mode );
/*
* Returns the current collor pallete
*/
extern int ufb_get_palette( int fd, struct fb_cmap *color );
/*
* Set the current collor pallete
*/
extern int ufb_set_palette( int fd, struct fb_cmap *color );
/*
* Does all necessary initialization to put the device in
* graphics mode
*/
extern int ufb_enter_graphics( int fd, int mode );
/*
* Switch the device back to the default mode of operation.
* In most cases it put the device back to plain text mode.
*/
extern int ufb_exit_graphics( int fd );
/*
* Tell the driver that the "virtual buffer" is dirty, and an update
* of it to the real device, maybe a serial/parallel LCD or whatever
* is required
*/
extern int ufb_buffer_is_dirty( int fd );
/*
* This function maps the physical ( kernel mode ) address of the framebuffer device
* and maps it to the user space address.
*/
int ufb_mmap_to_user_space( int fd, void **fb_addr, void *physical_addr, unsigned long size );
/*
* This function unmaps memory of the FB from the user's space
*/
int ufb_unmmap_from_user_space( int fd, void *addr );
#ifdef __cplusplus
}
#endif
#endif /* _MW_FB_H */

157
cpukit/libmisc/mw-fb/mw_uid.c Normal file
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@@ -0,0 +1,157 @@
/*
/////////////////////////////////////////////////////////////////////////////
// $Header$
//
// 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.
//
// MODIFICATION/HISTORY:
//
// $Log$
//
/////////////////////////////////////////////////////////////////////////////
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <rtems.h>
#include <bsp.h>
#include <rtems/mw_uid.h>
#include <rtems/posix/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, size_t max_msgs )
{
static rtems_name queue_name;
/*
* 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 )
{
rtems_status_code status;
queue_name = rtems_build_name( q_name[0],
q_name[1],
q_name[2],
q_name[3] );
status = rtems_message_queue_create( queue_name,
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;
rtems_unsigned32 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,
TOD_MICROSECONDS_TO_TICKS(micro_secs ) );
if( status == RTEMS_SUCCESSFUL )
{
return size;
}
else if( ( status == RTEMS_UNSATISFIED ) || ( status == RTEMS_TIMEOUT ) )
{
/* this macro returns -1 */
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 cna 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;
}

143
cpukit/libmisc/mw-fb/mw_uid.h Normal file
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@@ -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 */

2
cpukit/libmisc/wrapup/Makefile.am
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@@ -13,7 +13,7 @@ include $(top_srcdir)/../../../automake/lib.am
TMP_LIBS = ../monitor/$(ARCH)/libmonitor-tmp.a \
../untar/$(ARCH)/libuntar-tmp.a ../stackchk/$(ARCH)/libstackchk-tmp.a \
../cpuuse/$(ARCH)/libcpuuse-tmp.a ../rtmonuse/$(ARCH)/librtmonuse-tmp.a \
../dumpbuf/$(ARCH)/libdumpbuf-tmp.a
../dumpbuf/$(ARCH)/libdumpbuf-tmp.a ../mw-fb/$(ARCH)/libmw-fb-tmp.a
$(PROJECT_RELEASE)/lib/$(LIBNAME)$(LIB_VARIANT).a: $(LIB)
$(INSTALL_DATA) $< $@