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/*
This file is part of the Opie Project
Copyright (C) 2004, 2005 Holger Hans Peter Freyther <freyther@handhelds.org>
=. Copyright (C) 2004, 2005 Michael 'Mickey' Lauer <mickey@Vanille.de>
.=l. Copyright (C) 2002, 2003 Robert Griebl <sandman@handhelds.org>
.>+-=
_;:, .> :=|. This program is free software; you can
.> <`_, > . <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- : the terms of the GNU Library General Public
.="- .-=="i, .._ License as published by the Free Software
- . .-<_> .<> Foundation; version 2 of the License.
._= =} :
.%`+i> _;_.
.i_,=:_. -<s. This program 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
..}^=.= = ; Library General Public License for more
++= -. .` .: details.
: = ...= . :.=-
-. .:....=;==+<; You should have received a copy of the GNU
-_. . . )=. = Library General Public License along with
-- :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "odevice_abstractmobiledevice.h"
#include <qpe/qcopenvelope_qws.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
namespace Opie {
namespace Core {
OAbstractMobileDevice::OAbstractMobileDevice()
: m_timeOut( 1500 )
{}
/**
* @short Time to wait for the asynchronos APM implementation to suspend
*
* Milli Seconds to wait before returning from the suspend method.
* This is needed due asynchrnonus implementations of the APM bios.
*
*/
void OAbstractMobileDevice::setAPMTimeOut( int time ) {
m_timeOut = time;
}
bool OAbstractMobileDevice::suspend() {
if ( !isQWS( ) ) // only qwsserver is allowed to suspend
return false;
bool res = false;
{
QCopEnvelope( "QPE/System", "aboutToSuspend()" );
}
qApp->processEvents(); // ensure the qcop call is being processed asap
struct timeval tvs, tvn;
::gettimeofday ( &tvs, 0 );
::sync(); // flush fs caches
res = ( ::system ( "apm --suspend" ) == 0 );
// This is needed because some apm implementations are asynchronous and we
// can not be sure when exactly the device is really suspended
// This can be deleted as soon as a stable familiar with a synchronous apm implementation exists.
if ( res ) {
do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
::usleep ( 200 * 1000 );
::gettimeofday ( &tvn, 0 );
} while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < m_timeOut );
}
{
QCopEnvelope( "QPE/System", "returnFromSuspend()" );
}
qApp->processEvents(); // ensure the qcop call is being processed asap
return res;
}
//#include <linux/fb.h> better not rely on kernel headers in userspace ...
// _IO and friends are only defined in kernel headers ...
#define OD_IOC(dir,type,number,size) (( dir << 30 ) | ( type << 8 ) | ( number ) | ( size << 16 ))
#define OD_IO(type,number) OD_IOC(0,type,number,0)
#define FBIOBLANK OD_IO( 'F', 0x11 ) // 0x4611
/* VESA Blanking Levels */
#define VESA_NO_BLANKING 0
#define VESA_VSYNC_SUSPEND 1
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3
bool OAbstractMobileDevice::setDisplayStatus ( bool on ) {
bool res = false;
int fd;
#ifdef QT_QWS_DEVFS
if (( fd = ::open ( "/dev/fb/0", O_RDWR )) >= 0 ) {
#else
if (( fd = ::open ( "/dev/fb0", O_RDWR )) >= 0 ) {
#endif
res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
::close ( fd );
}
return res;
}
}
}
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