diff options
Diffstat (limited to 'Source/DirectFB/inputdrivers/serialmouse')
| -rwxr-xr-x | Source/DirectFB/inputdrivers/serialmouse/Makefile.am | 30 | ||||
| -rwxr-xr-x | Source/DirectFB/inputdrivers/serialmouse/Makefile.in | 595 | ||||
| -rwxr-xr-x | Source/DirectFB/inputdrivers/serialmouse/serialmouse.c | 572 |
3 files changed, 1197 insertions, 0 deletions
diff --git a/Source/DirectFB/inputdrivers/serialmouse/Makefile.am b/Source/DirectFB/inputdrivers/serialmouse/Makefile.am new file mode 100755 index 0000000..13f5744 --- /dev/null +++ b/Source/DirectFB/inputdrivers/serialmouse/Makefile.am @@ -0,0 +1,30 @@ +## Makefile.am for DirectFB/inputdrivers/serialmouse + +INCLUDES = \ + -I$(top_srcdir)/include \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/lib \ + -I$(top_srcdir)/src + +serialmouse_LTLIBRARIES = libdirectfb_serialmouse.la + +if BUILD_STATIC +serialmouse_DATA = $(serialmouse_LTLIBRARIES:.la=.o) +endif + +serialmousedir = $(MODULEDIR)/inputdrivers + +libdirectfb_serialmouse_la_SOURCES = serialmouse.c + +libdirectfb_serialmouse_la_LDFLAGS = \ + -module \ + -avoid-version \ + $(DFB_LDFLAGS) + +libdirectfb_serialmouse_la_LIBADD = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/src/libdirectfb.la + + +include $(top_srcdir)/rules/libobject.make + diff --git a/Source/DirectFB/inputdrivers/serialmouse/Makefile.in b/Source/DirectFB/inputdrivers/serialmouse/Makefile.in new file mode 100755 index 0000000..682ce14 --- /dev/null +++ b/Source/DirectFB/inputdrivers/serialmouse/Makefile.in @@ -0,0 +1,595 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(top_srcdir)/rules/libobject.make +subdir = inputdrivers/serialmouse +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/as-ac-expand.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = `echo $$p | sed -e 's|^.*/||'`; +am__installdirs = "$(DESTDIR)$(serialmousedir)" \ + "$(DESTDIR)$(serialmousedir)" +serialmouseLTLIBRARIES_INSTALL = $(INSTALL) +LTLIBRARIES = $(serialmouse_LTLIBRARIES) +libdirectfb_serialmouse_la_DEPENDENCIES = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/src/libdirectfb.la +am_libdirectfb_serialmouse_la_OBJECTS = serialmouse.lo +libdirectfb_serialmouse_la_OBJECTS = \ + $(am_libdirectfb_serialmouse_la_OBJECTS) +libdirectfb_serialmouse_la_LINK = $(LIBTOOL) --tag=CC \ + $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \ + $(AM_CFLAGS) $(CFLAGS) $(libdirectfb_serialmouse_la_LDFLAGS) \ + $(LDFLAGS) -o $@ +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE 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\ + $(top_builddir)/src/libdirectfb.la + +all: all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/rules/libobject.make $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu inputdrivers/serialmouse/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu inputdrivers/serialmouse/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; + +$(top_builddir)/config.status: 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+uninstall-serialmouseLTLIBRARIES: + @$(NORMAL_UNINSTALL) + @list='$(serialmouse_LTLIBRARIES)'; for p in $$list; do \ + p=$(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(serialmousedir)/$$p'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(serialmousedir)/$$p"; \ + done + +clean-serialmouseLTLIBRARIES: + -test -z "$(serialmouse_LTLIBRARIES)" || rm -f $(serialmouse_LTLIBRARIES) + @list='$(serialmouse_LTLIBRARIES)'; for p in $$list; do \ + dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \ + test "$$dir" != "$$p" || dir=.; \ + echo "rm -f \"$${dir}/so_locations\""; \ + rm -f "$${dir}/so_locations"; \ + done +libdirectfb_serialmouse.la: $(libdirectfb_serialmouse_la_OBJECTS) $(libdirectfb_serialmouse_la_DEPENDENCIES) + $(libdirectfb_serialmouse_la_LINK) -rpath $(serialmousedir) $(libdirectfb_serialmouse_la_OBJECTS) $(libdirectfb_serialmouse_la_LIBADD) $(LIBS) + +mostlyclean-compile: + -rm -f 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+install-exec-am: + +install-html: install-html-am + +install-info: install-info-am + +install-man: + +install-pdf: install-pdf-am + +install-ps: install-ps-am + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-serialmouseDATA \ + uninstall-serialmouseLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-serialmouseLTLIBRARIES ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-serialmouseDATA install-serialmouseLTLIBRARIES \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am \ + uninstall-serialmouseDATA uninstall-serialmouseLTLIBRARIES + +%.o: .libs/%.a %.la + rm -f $<.tmp/*.o + if test -d $<.tmp; then rmdir $<.tmp; fi + mkdir $<.tmp + (cd $<.tmp && $(AR) x ../../$<) + $(LD) -o $@ -r $<.tmp/*.o + rm -f $<.tmp/*.o && rmdir $<.tmp + +.PHONY: $(LTLIBRARIES:%.la=.libs/%.a) +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/Source/DirectFB/inputdrivers/serialmouse/serialmouse.c b/Source/DirectFB/inputdrivers/serialmouse/serialmouse.c new file mode 100755 index 0000000..3aba563 --- /dev/null +++ b/Source/DirectFB/inputdrivers/serialmouse/serialmouse.c @@ -0,0 +1,572 @@ +/* + (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) + (c) Copyright 2000-2004 Convergence (integrated media) GmbH + + All rights reserved. + + Written by Denis Oliver Kropp <dok@directfb.org>, + Andreas Hundt <andi@fischlustig.de>, + Sven Neumann <neo@directfb.org>, + Ville Syrjälä <syrjala@sci.fi> and + Claudio Ciccani <klan@users.sf.net>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <config.h> + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> + +#include <termios.h> + +#include <sys/ioctl.h> +#include <sys/types.h> + +#include <linux/serial.h> + +#include <directfb.h> + +#include <core/coredefs.h> +#include <core/coretypes.h> + +#include <core/input.h> +#include <core/system.h> + +#include <misc/conf.h> + +#include <direct/debug.h> +#include <direct/mem.h> +#include <direct/messages.h> +#include <direct/thread.h> + +#include <core/input_driver.h> + + +DFB_INPUT_DRIVER( serialmouse ) + +#define MIDDLE 0x08 + +typedef enum +{ + PROTOCOL_MS, /* two buttons MS protocol */ + PROTOCOL_MS3, /* MS with ugly 3-button extension */ + PROTOCOL_MOUSEMAN, /* referred to as MS + Logitech extension in mouse(4) */ + PROTOCOL_MOUSESYSTEMS, /* most commonly used serial mouse protocol nowadays */ + LAST_PROTOCOL +} MouseProtocol; + +static const char *protocol_names[LAST_PROTOCOL] = +{ + "MS", + "MS3", + "MouseMan", + "MouseSystems" +}; + +typedef struct { + CoreInputDevice *device; + DirectThread *thread; + + int fd; + + MouseProtocol protocol; + + DFBInputEvent x_motion; + DFBInputEvent y_motion; +} SerialMouseData; + +static inline void +mouse_motion_initialize( SerialMouseData *data ) +{ + data->x_motion.type = data->y_motion.type = DIET_AXISMOTION; + data->x_motion.axisrel = data->y_motion.axisrel = 0; + + data->x_motion.axis = DIAI_X; + data->y_motion.axis = DIAI_Y; +} + +static inline void +mouse_motion_compress( SerialMouseData *data, int dx, int dy ) +{ + data->x_motion.axisrel += dx; + data->y_motion.axisrel += dy; +} + +static inline void +mouse_motion_realize( SerialMouseData *data ) +{ + if (data->x_motion.axisrel) { + data->x_motion.flags = DIEF_AXISREL; + dfb_input_dispatch( data->device, &data->x_motion ); + data->x_motion.axisrel = 0; + } + + if (data->y_motion.axisrel) { + data->y_motion.flags = DIEF_AXISREL; + dfb_input_dispatch( data->device, &data->y_motion ); + data->y_motion.axisrel = 0; + } +} + + +static void +mouse_setspeed( SerialMouseData *data ) +{ + struct termios tty; + + tcgetattr (data->fd, &tty); + + tty.c_iflag = IGNBRK | IGNPAR; + tty.c_oflag = 0; + tty.c_lflag = 0; + tty.c_line = 0; + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 1; + tty.c_cflag = CREAD|CLOCAL|HUPCL|B1200; + tty.c_cflag |= ((data->protocol == PROTOCOL_MOUSESYSTEMS) ? + CS8|CSTOPB : CS7); + + tcsetattr (data->fd, TCSAFLUSH, &tty); + + write (data->fd, "*n", 2); +} + +/* the main routine for MS mice (plus extensions) */ +static void* +mouseEventThread_ms( DirectThread *thread, void *driver_data ) +{ + SerialMouseData *data = (SerialMouseData*) driver_data; + DFBInputEvent evt; + + unsigned char buf[256]; + unsigned char packet[4]; + unsigned char pos = 0; + unsigned char last_buttons = 0; + int dx, dy; + int buttons; + int readlen; + int i; + + mouse_motion_initialize( data ); + + /* Read data */ + while ((readlen = read( data->fd, buf, 256 )) >= 0 || errno == EINTR) { + + direct_thread_testcancel( thread ); + + for (i = 0; i < readlen; i++) { + + if (pos == 0 && !(buf[i] & 0x40)) + continue; + + /* We did not reset the position in the mouse event handler + since a forth byte may follow. We check for it now and + reset the position if this is a start byte. */ + if (pos == 3 && buf[i] & 0x40) + pos = 0; + + packet[pos++] = buf[i]; + + switch (pos) { + case 3: + if (data->protocol != PROTOCOL_MOUSEMAN) + pos = 0; + + buttons = packet[0] & 0x30; + dx = (signed char) + (((packet[0] & 0x03) << 6) | (packet[1] & 0x3f)); + dy = (signed char) + (((packet[0] & 0x0C) << 4) | (packet[2] & 0x3f)); + + mouse_motion_compress( data, dx, dy ); + + if (data->protocol == PROTOCOL_MS3) { + if (!dx && !dy && buttons == (last_buttons & ~MIDDLE)) + buttons = last_buttons ^ MIDDLE; /* toggle */ + else + buttons |= last_buttons & MIDDLE; /* preserve */ + } + + if (!dfb_config->mouse_motion_compression) + mouse_motion_realize( data ); + + if (last_buttons != buttons) { + unsigned char changed_buttons = last_buttons ^ buttons; + + /* make sure the compressed motion event is dispatched + before any button change */ + mouse_motion_realize( data ); + + if (changed_buttons & 0x20) { + evt.type = (buttons & 0x20) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_LEFT; + dfb_input_dispatch( data->device, &evt ); + } + if (changed_buttons & 0x10) { + evt.type = (buttons & 0x10) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_RIGHT; + dfb_input_dispatch( data->device, &evt ); + } + if (changed_buttons & MIDDLE) { + evt.type = (buttons & MIDDLE) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; + evt.button = DIBI_MIDDLE; + dfb_input_dispatch( data->device, &evt ); + } + + last_buttons = buttons; + } + break; + + case 4: + pos = 0; + + evt.type = (packet[3] & 0x20) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; /* button is always valid */ + evt.button = DIBI_MIDDLE; + dfb_input_dispatch( data->device, &evt ); + break; + + default: + break; + } + } + + /* make sure the compressed motion event is dispatched, + necessary if the last packet was a motion event */ + if (readlen > 0) + mouse_motion_realize( data ); + + direct_thread_testcancel( thread ); + } + + D_PERROR ("serial mouse thread died\n"); + + return NULL; +} + +/* the main routine for MouseSystems */ +static void* +mouseEventThread_mousesystems( DirectThread *thread, void *driver_data ) +{ + SerialMouseData *data = (SerialMouseData*) driver_data; + + unsigned char buf[256]; + unsigned char packet[5]; + unsigned char pos = 0; + unsigned char last_buttons = 0; + int i; + int readlen; + + mouse_motion_initialize( data ); + + /* Read data */ + while ((readlen = read( data->fd, buf, 256 )) >= 0 || errno == EINTR) { + + direct_thread_testcancel( thread ); + + for (i = 0; i < readlen; i++) { + + if (pos == 0 && (buf[i] & 0xf8) != 0x80) + continue; + + packet[pos++] = buf[i]; + + if (pos == 5) { + int dx, dy; + int buttons; + + pos = 0; + + buttons= (~packet[0]) & 0x07; + dx = (signed char) (packet[1]) + (signed char)(packet[3]); + dy = - ((signed char) (packet[2]) + (signed char)(packet[4])); + + mouse_motion_compress( data, dx, dy ); + + if (!dfb_config->mouse_motion_compression) + mouse_motion_realize( data ); + + if (last_buttons != buttons) { + DFBInputEvent evt; + unsigned char changed_buttons = last_buttons ^ buttons; + + /* make sure the compressed motion event is dispatched + before any button change */ + mouse_motion_realize( data ); + + if (changed_buttons & 0x04) { + evt.type = (buttons & 0x04) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; /* button is always valid */ + evt.button = DIBI_LEFT; + dfb_input_dispatch( data->device, &evt ); + } + if (changed_buttons & 0x01) { + evt.type = (buttons & 0x01) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; /* button is always valid */ + evt.button = DIBI_MIDDLE; + dfb_input_dispatch( data->device, &evt ); + } + if (changed_buttons & 0x02) { + evt.type = (buttons & 0x02) ? + DIET_BUTTONPRESS : DIET_BUTTONRELEASE; + evt.flags = DIEF_NONE; /* button is always valid */ + evt.button = DIBI_RIGHT; + dfb_input_dispatch( data->device, &evt ); + } + + last_buttons = buttons; + } + } + } + + /* make sure the compressed motion event is dispatched, + necessary if the last packet was a motion event */ + if (readlen > 0) + mouse_motion_realize( data ); + + direct_thread_testcancel( thread ); + } + + D_PERROR ("serial mouse thread died\n"); + + return NULL; +} + +static MouseProtocol mouse_get_protocol( void ) +{ + MouseProtocol protocol; + + if (!dfb_config->mouse_protocol) + return LAST_PROTOCOL; + + for (protocol = 0; protocol < LAST_PROTOCOL; protocol++) { + if (strcasecmp (dfb_config->mouse_protocol, + protocol_names[protocol]) == 0) + break; + } + + return protocol; +} + +/* exported symbols */ + +static int +driver_get_available( void ) +{ + struct serial_struct serial_info; + struct timeval timeout; + MouseProtocol protocol; + fd_set set; + int fd; + char buf[8]; + int readlen; + int lines; + int flags; + + if (dfb_system_type() != CORE_FBDEV) + return 0; + + protocol = mouse_get_protocol(); + if (protocol == LAST_PROTOCOL) + return 0; + + /* initialize source device name to read from */ + /* initialize flags to open device with */ + flags = O_NONBLOCK; + D_INFO( "DirectFB/SerialMouse: mouse detection on device '%s'...", dfb_config->mouse_source ); + + /* open device to read from */ + fd = open( dfb_config->mouse_source, flags ); + if (fd < 0) { + D_INFO( "DirectFB/SerialMouse: could not open device '%s'!\n", dfb_config->mouse_source ); + return 0; + } + + /* test if this is a serial device */ + if (dfb_config->mouse_gpm_source) { + + /* test whether a there is really a GPM driver active */ + /* availibity of device name is enough */ + + goto success; + + } + else { + if (ioctl( fd, TIOCGSERIAL, &serial_info )) + goto error; + + /* test if there's a mouse connected by lowering and raising RTS */ + if (ioctl( fd, TIOCMGET, &lines )) + goto error; + + lines ^= TIOCM_RTS; + if (ioctl( fd, TIOCMSET, &lines )) + goto error; + usleep (1000); + lines |= TIOCM_RTS; + if (ioctl( fd, TIOCMSET, &lines )) + goto error; + + /* wait for the mouse to send 0x4D */ + FD_ZERO (&set); + FD_SET (fd, &set); + timeout.tv_sec = 0; + timeout.tv_usec = 50000; + + while (select (fd+1, &set, NULL, NULL, &timeout) < 0 && errno == EINTR); + + if (FD_ISSET (fd, &set) && (readlen = read (fd, buf, 8) > 0)) { + int i; + + for (i=0; i<readlen; i++) { + if (buf[i] == 0x4D) + break; + } + if (i < readlen) + goto success; + } + } + +error: + D_INFO("DirectFB/SerialMouse: Failed\n"); + close (fd); + return 0; + +success: + D_INFO("DirectFB/SerialMouse: OK\n"); + close (fd); + return 1; +} + +static void +driver_get_info( InputDriverInfo *info ) +{ + /* fill driver info structure */ + snprintf( info->name, + DFB_INPUT_DRIVER_INFO_NAME_LENGTH, "Serial Mouse Driver" ); + + snprintf( info->vendor, + DFB_INPUT_DRIVER_INFO_VENDOR_LENGTH, "directfb.org" ); + + info->version.major = 0; + info->version.minor = 2; +} + +static DFBResult +driver_open_device( CoreInputDevice *device, + unsigned int number, + InputDeviceInfo *info, + void **driver_data ) +{ + int fd; + int flags; + MouseProtocol protocol; + SerialMouseData *data; + + protocol = mouse_get_protocol(); + if (protocol == LAST_PROTOCOL) /* shouldn't happen */ + return DFB_BUG; + + /* open device */ + flags = O_NONBLOCK | (dfb_config->mouse_gpm_source ? O_RDONLY : O_RDWR); + fd = open( dfb_config->mouse_source, flags ); + if (fd < 0) { + D_PERROR( "DirectFB/SerialMouse: Error opening '%s'!\n", dfb_config->mouse_source ); + return DFB_INIT; + } + + /* reset the O_NONBLOCK flag */ + fcntl (fd, F_SETFL, fcntl (fd, F_GETFL) & ~O_NONBLOCK); + + /* allocate and fill private data */ + data = D_CALLOC( 1, sizeof(SerialMouseData) ); + if (!data) { + close( fd ); + return D_OOM(); + } + + data->fd = fd; + data->device = device; + data->protocol = protocol; + + mouse_setspeed( data ); + + /* fill device info structure */ + snprintf( info->desc.name, DFB_INPUT_DEVICE_DESC_NAME_LENGTH, + "Serial Mouse (%s)", protocol_names[protocol] ); + + snprintf( info->desc.vendor, DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH, "Unknown" ); + + info->prefered_id = DIDID_MOUSE; + + info->desc.type = DIDTF_MOUSE; + info->desc.caps = DICAPS_AXES | DICAPS_BUTTONS; + info->desc.max_axis = DIAI_Y; + info->desc.max_button = (protocol > PROTOCOL_MS) ? DIBI_MIDDLE : DIBI_RIGHT; + + /* start input thread */ + data->thread = direct_thread_create( DTT_INPUT, protocol == PROTOCOL_MOUSESYSTEMS ? + mouseEventThread_mousesystems : mouseEventThread_ms, + data, "SerMouse Input" ); + + /* set private data pointer */ + *driver_data = data; + + return DFB_OK; +} + +/* + * Fetch one entry from the device's keymap if supported. + */ +static DFBResult +driver_get_keymap_entry( CoreInputDevice *device, + void *driver_data, + DFBInputDeviceKeymapEntry *entry ) +{ + return DFB_UNSUPPORTED; +} + +static void +driver_close_device( void *driver_data ) +{ + SerialMouseData *data = (SerialMouseData*) driver_data; + + /* stop input thread */ + direct_thread_cancel( data->thread ); + direct_thread_join( data->thread ); + direct_thread_destroy( data->thread ); + + /* close device */ + close( data->fd ); + + /* free private data */ + D_FREE( data ); +} + |