author | zecke <zecke> | 2005-02-17 23:52:46 (UTC) |
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committer | zecke <zecke> | 2005-02-17 23:52:46 (UTC) |
commit | 9bf35a9978c8a9e8b9c2100abf9137ffefc73e17 (patch) (side-by-side diff) | |
tree | f251c1697f2ed091d8f55eca7aa1b8f4a85c7889 /libopie2/opiecore/device/odevice_abstractmobiledevice.cpp | |
parent | 87cbafeb59d0505b631be811bd96fb1d0b1df1f7 (diff) | |
download | opie-9bf35a9978c8a9e8b9c2100abf9137ffefc73e17.zip opie-9bf35a9978c8a9e8b9c2100abf9137ffefc73e17.tar.gz opie-9bf35a9978c8a9e8b9c2100abf9137ffefc73e17.tar.bz2 |
Add OAbstractMobileDevice with implementations for suspend and setDisplayStatus
Switch our implementations over to this partial implementation of ODevice
Diffstat (limited to 'libopie2/opiecore/device/odevice_abstractmobiledevice.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | libopie2/opiecore/device/odevice_abstractmobiledevice.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp b/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp new file mode 100644 index 0000000..f3f6af5 --- a/dev/null +++ b/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp @@ -0,0 +1,119 @@ +/* + 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 <mickeyl@handhelds.org> + Copyright (C) 2002, 2003 Robert Griebl <sandman@handhelds.org> + + + =. + .=l. + .>+-= + _;:, .> :=|. 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; either version 2 of the License, + ._= =} : or (at your option) any later version. + .%`+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 <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; + ODevice::sendSuspendmsg(); + + 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 ); + } + + 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; +} +} +} |