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path: root/libopie/odevice.cpp
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-rw-r--r--libopie/odevice.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 160568b..f808960 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -495,146 +495,150 @@ bool ODevice::setSoftSuspend ( bool /*soft*/ )
*/
bool ODevice::suspend ( )
{
qDebug("ODevice::suspend");
if ( !isQWS( ) ) // only qwsserver is allowed to suspend
return false;
if ( d-> m_model == Model_Unknown ) // better don't suspend in qvfb / on unkown devices
return false;
bool res = false;
struct timeval tvs, tvn;
::gettimeofday ( &tvs, 0 );
::sync ( ); // flush fs caches
res = ( ::system ( "apm --suspend" ) == 0 );
// This is needed because the iPAQ apm implementation is 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 ) < 1500 );
}
return res;
}
//#include <linux/fb.h> better not rely on kernel headers in userspace ...
#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
/**
* This sets the display on or off
*/
bool ODevice::setDisplayStatus ( bool on )
{
qDebug("ODevice::setDisplayStatus(%d)", on);
if ( d-> m_model == Model_Unknown )
return false;
bool res = false;
int fd;
if (( fd = ::open ( "/dev/fb0", O_RDWR )) >= 0 ) {
res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
::close ( fd );
}
return res;
}
/**
* This sets the display brightness
+ *
+ * @param p The brightness to be set on a scale from 0 to 255
* @return success or failure
*/
bool ODevice::setDisplayBrightness ( int p)
{
Q_UNUSED( p )
return false;
}
/**
- * @return return the max value for the brightness settings slider
+ * @return returns the number of steppings on the brightness slider
+ * in the Light-'n-Power settings.
*/
int ODevice::displayBrightnessResolution ( ) const
{
return 16;
}
/**
* This sets the display contrast
+ * @param p The contrast to be set on a scale from 0 to 255
* @return success or failure
*/
bool ODevice::setDisplayContrast ( int p)
{
Q_UNUSED( p )
return false;
}
/**
* @return return the max value for the brightness settings slider
* or 0 if the device doesn't support setting of a contrast
*/
int ODevice::displayContrastResolution ( ) const
{
return 0;
}
/**
* This returns the vendor as string
* @return Vendor as QString
*/
QString ODevice::vendorString ( ) const
{
return d-> m_vendorstr;
}
/**
* This returns the vendor as one of the values of OVendor
* @return OVendor
*/
OVendor ODevice::vendor ( ) const
{
return d-> m_vendor;
}
/**
* This returns the model as a string
* @return A string representing the model
*/
QString ODevice::modelString ( ) const
{
return d-> m_modelstr;
}
/**
* This does return the OModel used
*/
OModel ODevice::model ( ) const
{
return d-> m_model;
}
/**
* This does return the systen name
*/
QString ODevice::systemString ( ) const
{
return d-> m_systemstr;
}
/**
* Return System as OSystem value
*/
OSystem ODevice::system ( ) const
@@ -2009,90 +2013,90 @@ bool Ramses::suspend ( )
}
/**
* This sets the display on or off
*/
bool Ramses::setDisplayStatus(bool on)
{
qDebug("Ramses::setDisplayStatus(%d)", on);
#if 0
bool res = false;
int fd;
if ((fd = ::open ("/dev/fb/0", O_RDWR)) >= 0) {
res = (::ioctl(fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN) == 0);
::close(fd);
}
return res;
#else
return true;
#endif
}
/*
* We get something between 0..255 into us
*/
bool Ramses::setDisplayBrightness(int bright)
{
qDebug("Ramses::setDisplayBrightness(%d)", bright);
bool res = false;
int fd;
// pwm1 brighness: 20 steps 500..0 (dunkel->hell)
if (bright > 255 )
bright = 255;
if (bright < 0)
bright = 0;
bright = 500-(bright * 500 / 255);
if ((fd = ::open("/proc/sys/board/pwm1", O_WRONLY)) >= 0) {
qDebug(" %d -> pwm1", bright);
char writeCommand[100];
const int count = sprintf(writeCommand, "%d\n", bright);
res = (::write(fd, writeCommand, count) != -1);
::close(fd);
} else {
qWarning("no write");
}
return res;
}
int Ramses::displayBrightnessResolution() const
{
return 32;
}
bool Ramses::setDisplayContrast(int contr)
{
qDebug("Ramses::setDisplayContrast(%d)", contr);
bool res = false;
int fd;
- // pwm0 contrast: 35 steps 65..100 (dunkel->hell)
+ // pwm0 contrast: 20 steps 79..90 (dunkel->hell)
if (contr > 255 )
contr = 255;
if (contr < 0)
contr = 0;
- contr = 65 + (contr * 350 / 255);
+ contr = 90 - (contr * 20 / 255);
if ((fd = ::open("/proc/sys/board/pwm0", O_WRONLY)) >= 0) {
qDebug(" %d -> pwm0", contr);
char writeCommand[100];
const int count = sprintf(writeCommand, "%d\n", contr);
res = (::write(fd, writeCommand, count) != -1);
res = true;
::close(fd);
} else {
qWarning("no write");
}
return res;
}
int Ramses::displayContrastResolution() const
{
- return 32;
+ return 20;
}