summaryrefslogtreecommitdiff
path: root/libopie/odevice.cpp
authorkergoth <kergoth>2003-04-19 18:06:17 (UTC)
committer kergoth <kergoth>2003-04-19 18:06:17 (UTC)
commiteb276a6663540849ef98819eeaa8f935a7e1b945 (patch) (side-by-side diff)
tree7464e0858a367034f976088021ccec5953a0eddc /libopie/odevice.cpp
parent89ced5d0c4f4ce89a11333d80aac2f8b81d97233 (diff)
downloadopie-eb276a6663540849ef98819eeaa8f935a7e1b945.zip
opie-eb276a6663540849ef98819eeaa8f935a7e1b945.tar.gz
opie-eb276a6663540849ef98819eeaa8f935a7e1b945.tar.bz2
Add note about c700 physical screen orientation handling.
Diffstat (limited to 'libopie/odevice.cpp') (more/less context) (show whitespace changes)
-rw-r--r--libopie/odevice.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 29c8ad2..713cc90 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -637,758 +637,770 @@ void ODevice::reloadButtonMapping ( )
pch = cfg. readEntry ( "PressedActionChannel" ). latin1 ( );
pm = cfg. readEntry ( "PressedActionMessage" ). latin1 ( );
// pdata = decodeBase64 ( buttonFile. readEntry ( "PressedActionArgs" ));
hch = cfg. readEntry ( "HeldActionChannel" ). latin1 ( );
hm = cfg. readEntry ( "HeldActionMessage" ). latin1 ( );
// hdata = decodeBase64 ( buttonFile. readEntry ( "HeldActionArgs" ));
}
b. setPressedAction ( OQCopMessage ( pch, pm, pdata ));
b. setHeldAction ( OQCopMessage ( hch, hm, hdata ));
}
}
void ODevice::remapPressedAction ( int button, const OQCopMessage &action )
{
initButtons ( );
QString mb_chan;
if ( button >= (int) d-> m_buttons-> count ( ))
return;
ODeviceButton &b = ( *d-> m_buttons ) [button];
b. setPressedAction ( action );
mb_chan=b. pressedAction ( ). channel ( );
Config buttonFile ( "ButtonSettings" );
buttonFile. setGroup ( "Button" + QString::number ( button ));
buttonFile. writeEntry ( "PressedActionChannel", (const char*) mb_chan);
buttonFile. writeEntry ( "PressedActionMessage", (const char*) b. pressedAction ( ). message ( ));
// buttonFile. writeEntry ( "PressedActionArgs", encodeBase64 ( b. pressedAction ( ). data ( )));
QCopEnvelope ( "QPE/System", "deviceButtonMappingChanged()" );
}
void ODevice::remapHeldAction ( int button, const OQCopMessage &action )
{
initButtons ( );
if ( button >= (int) d-> m_buttons-> count ( ))
return;
ODeviceButton &b = ( *d-> m_buttons ) [button];
b. setHeldAction ( action );
Config buttonFile ( "ButtonSettings" );
buttonFile. setGroup ( "Button" + QString::number ( button ));
buttonFile. writeEntry ( "HeldActionChannel", (const char *) b. heldAction ( ). channel ( ));
buttonFile. writeEntry ( "HeldActionMessage", (const char *) b. heldAction ( ). message ( ));
// buttonFile. writeEntry ( "HeldActionArgs", decodeBase64 ( b. heldAction ( ). data ( )));
QCopEnvelope ( "QPE/System", "deviceButtonMappingChanged()" );
}
/**************************************************
*
* iPAQ
*
**************************************************/
void iPAQ::init ( )
{
d-> m_vendorstr = "HP";
d-> m_vendor = Vendor_HP;
QFile f ( "/proc/hal/model" );
if ( f. open ( IO_ReadOnly )) {
QTextStream ts ( &f );
d-> m_modelstr = "H" + ts. readLine ( );
if ( d-> m_modelstr == "H3100" )
d-> m_model = Model_iPAQ_H31xx;
else if ( d-> m_modelstr == "H3600" )
d-> m_model = Model_iPAQ_H36xx;
else if ( d-> m_modelstr == "H3700" )
d-> m_model = Model_iPAQ_H37xx;
else if ( d-> m_modelstr == "H3800" )
d-> m_model = Model_iPAQ_H38xx;
else if ( d-> m_modelstr == "H3900" )
d-> m_model = Model_iPAQ_H39xx;
else
d-> m_model = Model_Unknown;
f. close ( );
}
switch ( d-> m_model ) {
case Model_iPAQ_H31xx:
case Model_iPAQ_H38xx:
d-> m_rotation = Rot90;
break;
case Model_iPAQ_H36xx:
case Model_iPAQ_H37xx:
case Model_iPAQ_H39xx:
default:
d-> m_rotation = Rot270;
break;
}
f. setName ( "/etc/familiar-version" );
if ( f. open ( IO_ReadOnly )) {
d-> m_systemstr = "Familiar";
d-> m_system = System_Familiar;
QTextStream ts ( &f );
d-> m_sysverstr = ts. readLine ( ). mid ( 10 );
f. close ( );
} else {
f. setName ( "/etc/oz_version" );
if ( f. open ( IO_ReadOnly )) {
d-> m_systemstr = "OpenEmbedded/iPaq";
d-> m_system = System_Familiar;
QTextStream ts ( &f );
ts.setDevice ( &f );
d-> m_sysverstr = ts. readLine ( );
f. close ( );
}
}
m_leds [0] = m_leds [1] = Led_Off;
m_power_timer = 0;
}
void iPAQ::initButtons ( )
{
if ( d-> m_buttons )
return;
d-> m_qwsserver = qApp ? ( qApp-> type ( ) == QApplication::GuiServer ) : false;
if ( d-> m_qwsserver )
QWSServer::setKeyboardFilter ( this );
d-> m_buttons = new QValueList <ODeviceButton>;
for ( uint i = 0; i < ( sizeof( ipaq_buttons ) / sizeof( i_button )); i++ ) {
i_button *ib = ipaq_buttons + i;
ODeviceButton b;
if (( ib-> model & d-> m_model ) == d-> m_model ) {
b. setKeycode ( ib-> code );
b. setUserText ( QObject::tr ( "Button", ib-> utext ));
b. setPixmap ( Resource::loadPixmap ( ib-> pix ));
b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( ib-> fpressedservice ), ib-> fpressedaction ));
b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( ib-> fheldservice ), ib-> fheldaction ));
d-> m_buttons-> append ( b );
}
}
reloadButtonMapping ( );
QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
}
//#include <linux/h3600_ts.h> // including kernel headers is evil ...
typedef struct {
unsigned char OffOnBlink; /* 0=off 1=on 2=Blink */
unsigned char TotalTime; /* Units of 5 seconds */
unsigned char OnTime; /* units of 100m/s */
unsigned char OffTime; /* units of 100m/s */
} LED_IN;
typedef struct {
unsigned char mode;
unsigned char pwr;
unsigned char brightness;
} FLITE_IN;
#define LED_ON OD_IOW( 'f', 5, LED_IN )
#define FLITE_ON OD_IOW( 'f', 7, FLITE_IN )
QValueList <OLed> iPAQ::ledList ( ) const
{
QValueList <OLed> vl;
vl << Led_Power;
if ( d-> m_model == Model_iPAQ_H38xx )
vl << Led_BlueTooth;
return vl;
}
QValueList <OLedState> iPAQ::ledStateList ( OLed l ) const
{
QValueList <OLedState> vl;
if ( l == Led_Power )
vl << Led_Off << Led_On << Led_BlinkSlow << Led_BlinkFast;
else if ( l == Led_BlueTooth && d-> m_model == Model_iPAQ_H38xx )
vl << Led_Off; // << Led_On << ???
return vl;
}
OLedState iPAQ::ledState ( OLed l ) const
{
switch ( l ) {
case Led_Power:
return m_leds [0];
case Led_BlueTooth:
return m_leds [1];
default:
return Led_Off;
}
}
bool iPAQ::setLedState ( OLed l, OLedState st )
{
static int fd = ::open ( "/dev/touchscreen/0", O_RDWR | O_NONBLOCK );
if ( l == Led_Power ) {
if ( fd >= 0 ) {
LED_IN leds;
::memset ( &leds, 0, sizeof( leds ));
leds. TotalTime = 0;
leds. OnTime = 0;
leds. OffTime = 1;
leds. OffOnBlink = 2;
switch ( st ) {
case Led_Off : leds. OffOnBlink = 0; break;
case Led_On : leds. OffOnBlink = 1; break;
case Led_BlinkSlow: leds. OnTime = 10; leds. OffTime = 10; break;
case Led_BlinkFast: leds. OnTime = 5; leds. OffTime = 5; break;
}
if ( ::ioctl ( fd, LED_ON, &leds ) >= 0 ) {
m_leds [0] = st;
return true;
}
}
}
return false;
}
bool iPAQ::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat )
{
int newkeycode = keycode;
switch ( keycode ) {
// H38xx/H39xx have no "Q" key anymore - this is now the Mail key
case HardKey_Menu: {
if (( d-> m_model == Model_iPAQ_H38xx ) ||
( d-> m_model == Model_iPAQ_H39xx )) {
newkeycode = HardKey_Mail;
}
break;
}
// Rotate cursor keys 180°
case Key_Left :
case Key_Right:
case Key_Up :
case Key_Down : {
if (( d-> m_model == Model_iPAQ_H31xx ) ||
( d-> m_model == Model_iPAQ_H38xx )) {
newkeycode = Key_Left + ( keycode - Key_Left + 2 ) % 4;
}
break;
}
// map Power Button short/long press to F34/F35
case Key_SysReq: {
if ( isPress ) {
if ( m_power_timer )
killTimer ( m_power_timer );
m_power_timer = startTimer ( 500 );
}
else if ( m_power_timer ) {
killTimer ( m_power_timer );
m_power_timer = 0;
QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, true, false );
QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, false, false );
}
newkeycode = Key_unknown;
break;
}
}
if ( newkeycode != keycode ) {
if ( newkeycode != Key_unknown )
QWSServer::sendKeyEvent ( -1, newkeycode, modifiers, isPress, autoRepeat );
return true;
}
else
return false;
}
void iPAQ::timerEvent ( QTimerEvent * )
{
killTimer ( m_power_timer );
m_power_timer = 0;
QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, true, false );
QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, false, false );
}
void iPAQ::alarmSound ( )
{
#ifndef QT_NO_SOUND
static Sound snd ( "alarm" );
int fd;
int vol;
bool vol_reset = false;
if (( fd = ::open ( "/dev/sound/mixer", O_RDWR )) >= 0 ) {
if ( ::ioctl ( fd, MIXER_READ( 0 ), &vol ) >= 0 ) {
Config cfg ( "qpe" );
cfg. setGroup ( "Volume" );
int volalarm = cfg. readNumEntry ( "AlarmPercent", 50 );
if ( volalarm < 0 )
volalarm = 0;
else if ( volalarm > 100 )
volalarm = 100;
volalarm |= ( volalarm << 8 );
if ( ::ioctl ( fd, MIXER_WRITE( 0 ), &volalarm ) >= 0 )
vol_reset = true;
}
}
snd. play ( );
while ( !snd. isFinished ( ))
qApp-> processEvents ( );
if ( fd >= 0 ) {
if ( vol_reset )
::ioctl ( fd, MIXER_WRITE( 0 ), &vol );
::close ( fd );
}
#endif
}
bool iPAQ::setSoftSuspend ( bool soft )
{
bool res = false;
int fd;
if (( fd = ::open ( "/proc/sys/ts/suspend_button_mode", O_WRONLY )) >= 0 ) {
if ( ::write ( fd, soft ? "1" : "0", 1 ) == 1 )
res = true;
else
::perror ( "write to /proc/sys/ts/suspend_button_mode" );
::close ( fd );
}
else
::perror ( "/proc/sys/ts/suspend_button_mode" );
return res;
}
bool iPAQ::setDisplayBrightness ( int bright )
{
bool res = false;
int fd;
if ( bright > 255 )
bright = 255;
if ( bright < 0 )
bright = 0;
if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) {
FLITE_IN bl;
bl. mode = 1;
bl. pwr = bright ? 1 : 0;
bl. brightness = ( bright * ( displayBrightnessResolution ( ) - 1 ) + 127 ) / 255;
res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 );
::close ( fd );
}
return res;
}
int iPAQ::displayBrightnessResolution ( ) const
{
switch ( model ( )) {
case Model_iPAQ_H31xx:
case Model_iPAQ_H36xx:
case Model_iPAQ_H37xx:
return 128; // really 256, but >128 could damage the LCD
case Model_iPAQ_H38xx:
case Model_iPAQ_H39xx:
return 64;
default:
return 2;
}
}
bool iPAQ::hasLightSensor ( ) const
{
return true;
}
int iPAQ::readLightSensor ( )
{
int fd;
int val = -1;
if (( fd = ::open ( "/proc/hal/light_sensor", O_RDONLY )) >= 0 ) {
char buffer [8];
if ( ::read ( fd, buffer, 5 ) == 5 ) {
char *endptr;
buffer [4] = 0;
val = ::strtol ( buffer + 2, &endptr, 16 );
if ( *endptr != 0 )
val = -1;
}
::close ( fd );
}
return val;
}
int iPAQ::lightSensorResolution ( ) const
{
return 256;
}
/**************************************************
*
* Zaurus
*
**************************************************/
void Zaurus::init ( )
{
d-> m_vendorstr = "Sharp";
d-> m_vendor = Vendor_Sharp;
QFile f ( "/proc/filesystems" );
if ( f. open ( IO_ReadOnly ) && ( QTextStream ( &f ). read ( ). find ( "\tjffs2\n" ) >= 0 )) {
d-> m_vendorstr = "OpenZaurus Team";
d-> m_systemstr = "OpenZaurus";
d-> m_system = System_OpenZaurus;
f. close ( );
f. setName ( "/etc/oz_version" );
if ( f. open ( IO_ReadOnly )) {
QTextStream ts ( &f );
d-> m_sysverstr = ts. readLine ( );//. mid ( 10 );
f. close ( );
}
}
else {
d-> m_systemstr = "Zaurus";
d-> m_system = System_Zaurus;
}
f. setName ( "/proc/deviceinfo/product" );
if ( f. open ( IO_ReadOnly ) ) {
QTextStream ts ( &f );
QString model = ts. readLine ( );
f. close ( );
d-> m_modelstr = QString("Zaurus ") + model;
if ( model == "SL-5500" )
d-> m_model = Model_Zaurus_SL5500;
else if ( model == "SL-C700" )
d-> m_model = Model_Zaurus_SLC700;
else if ( model == "SL-A300" )
d-> m_model = Model_Zaurus_SLA300;
else if ( model == "SL-B600" || model == "SL-5600" )
d-> m_model = Model_Zaurus_SLB600;
else
d-> m_model = Model_Zaurus_SL5000;
}
else {
d-> m_model = Model_Zaurus_SL5000;
d-> m_modelstr = "Zaurus (model unknown)";
}
switch ( d-> m_model ) {
case Model_Zaurus_SLA300:
d-> m_rotation = Rot0;
break;
case Model_Zaurus_SLC700:
- /* note for C700, we must check the display rotation
- * sensor to set an appropriate value
- */
+ bool flipstate = false;
+ // Note: need to 1) set flipstate based on physical screen orientation
+ // and 2) check to see if the user overrode the rotation direction
+ // using appearance, and if so, remove that item from the Config to
+ // ensure the rotate applet flips us back to the previous state.
+ if ( flipstate ) {
+ // 480x640
+ d-> m_rotation = Rot0;
+ d-> m_direction = CW;
+ } else {
+ // 640x480
+ d-> m_rotation = Rot270;
+ d-> m_direction = CCW;
+ }
+ break;
case Model_Zaurus_SLB600:
case Model_Zaurus_SL5500:
case Model_Zaurus_SL5000:
default:
d-> m_rotation = Rot270;
break;
}
m_leds [0] = Led_Off;
}
void Zaurus::initButtons ( )
{
if ( d-> m_buttons )
return;
d-> m_qwsserver = qApp ? ( qApp-> type ( ) == QApplication::GuiServer ) : false;
d-> m_buttons = new QValueList <ODeviceButton>;
for ( uint i = 0; i < ( sizeof( z_buttons ) / sizeof( z_button )); i++ ) {
z_button *zb = z_buttons + i;
ODeviceButton b;
b. setKeycode ( zb-> code );
b. setUserText ( QObject::tr ( "Button", zb-> utext ));
b. setPixmap ( Resource::loadPixmap ( zb-> pix ));
b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( zb-> fpressedservice ), zb-> fpressedaction ));
b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( zb-> fheldservice ), zb-> fheldaction ));
d-> m_buttons-> append ( b );
}
reloadButtonMapping ( );
QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
}
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
//#include <asm/sharp_char.h> // including kernel headers is evil ...
#define SHARP_DEV_IOCTL_COMMAND_START 0x5680
#define SHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
#define SHARP_BUZZER_MAKESOUND (SHARP_BUZZER_IOCTL_START)
#define SHARP_BUZ_TOUCHSOUND 1 /* touch panel sound */
#define SHARP_BUZ_KEYSOUND 2 /* key sound */
#define SHARP_BUZ_SCHEDULE_ALARM 11 /* schedule alarm */
/* --- for SHARP_BUZZER device --- */
//#define SHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
//#define SHARP_BUZZER_MAKESOUND (SHARP_BUZZER_IOCTL_START)
#define SHARP_BUZZER_SETVOLUME (SHARP_BUZZER_IOCTL_START+1)
#define SHARP_BUZZER_GETVOLUME (SHARP_BUZZER_IOCTL_START+2)
#define SHARP_BUZZER_ISSUPPORTED (SHARP_BUZZER_IOCTL_START+3)
#define SHARP_BUZZER_SETMUTE (SHARP_BUZZER_IOCTL_START+4)
#define SHARP_BUZZER_STOPSOUND (SHARP_BUZZER_IOCTL_START+5)
//#define SHARP_BUZ_TOUCHSOUND 1 /* touch panel sound */
//#define SHARP_BUZ_KEYSOUND 2 /* key sound */
//#define SHARP_PDA_ILLCLICKSOUND 3 /* illegal click */
//#define SHARP_PDA_WARNSOUND 4 /* warning occurred */
//#define SHARP_PDA_ERRORSOUND 5 /* error occurred */
//#define SHARP_PDA_CRITICALSOUND 6 /* critical error occurred */
//#define SHARP_PDA_SYSSTARTSOUND 7 /* system start */
//#define SHARP_PDA_SYSTEMENDSOUND 8 /* system shutdown */
//#define SHARP_PDA_APPSTART 9 /* application start */
//#define SHARP_PDA_APPQUIT 10 /* application ends */
//#define SHARP_BUZ_SCHEDULE_ALARM 11 /* schedule alarm */
//#define SHARP_BUZ_DAILY_ALARM 12 /* daily alarm */
//#define SHARP_BUZ_GOT_PHONE_CALL 13 /* phone call sound */
//#define SHARP_BUZ_GOT_MAIL 14 /* mail sound */
//
#define SHARP_LED_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
#define SHARP_LED_SETSTATUS (SHARP_LED_IOCTL_START+1)
typedef struct sharp_led_status {
int which; /* select which LED status is wanted. */
int status; /* set new led status if you call SHARP_LED_SETSTATUS */
} sharp_led_status;
#define SHARP_LED_MAIL_EXISTS 9 /* mail status (exists or not) */
#define LED_MAIL_NO_UNREAD_MAIL 0 /* for SHARP_LED_MAIL_EXISTS */
#define LED_MAIL_NEWMAIL_EXISTS 1 /* for SHARP_LED_MAIL_EXISTS */
#define LED_MAIL_UNREAD_MAIL_EX 2 /* for SHARP_LED_MAIL_EXISTS */
// #include <asm/sharp_apm.h> // including kernel headers is evil ...
#define APM_IOCGEVTSRC OD_IOR( 'A', 203, int )
#define APM_IOCSEVTSRC OD_IORW( 'A', 204, int )
#define APM_EVT_POWER_BUTTON (1 << 0)
#define FL_IOCTL_STEP_CONTRAST 100
void Zaurus::buzzer ( int sound )
{
static int fd = ::open ( "/dev/sharp_buz", O_WRONLY|O_NONBLOCK );
if ( fd >= 0 ) {
::ioctl ( fd, SHARP_BUZZER_MAKESOUND, sound );
::close ( fd );
}
}
void Zaurus::alarmSound ( )
{
buzzer ( SHARP_BUZ_SCHEDULE_ALARM );
}
void Zaurus::touchSound ( )
{
buzzer ( SHARP_BUZ_TOUCHSOUND );
}
void Zaurus::keySound ( )
{
buzzer ( SHARP_BUZ_KEYSOUND );
}
QValueList <OLed> Zaurus::ledList ( ) const
{
QValueList <OLed> vl;
vl << Led_Mail;
return vl;
}
QValueList <OLedState> Zaurus::ledStateList ( OLed l ) const
{
QValueList <OLedState> vl;
if ( l == Led_Mail )
vl << Led_Off << Led_On << Led_BlinkSlow;
return vl;
}
OLedState Zaurus::ledState ( OLed which ) const
{
if ( which == Led_Mail )
return m_leds [0];
else
return Led_Off;
}
bool Zaurus::setLedState ( OLed which, OLedState st )
{
static int fd = ::open ( "/dev/sharp_led", O_RDWR|O_NONBLOCK );
if ( which == Led_Mail ) {
if ( fd >= 0 ) {
struct sharp_led_status leds;
::memset ( &leds, 0, sizeof( leds ));
leds. which = SHARP_LED_MAIL_EXISTS;
bool ok = true;
switch ( st ) {
case Led_Off : leds. status = LED_MAIL_NO_UNREAD_MAIL; break;
case Led_On : leds. status = LED_MAIL_NEWMAIL_EXISTS; break;
case Led_BlinkSlow: leds. status = LED_MAIL_UNREAD_MAIL_EX; break;
default : ok = false;
}
if ( ok && ( ::ioctl ( fd, SHARP_LED_SETSTATUS, &leds ) >= 0 )) {
m_leds [0] = st;
return true;
}
}
}
return false;
}
bool Zaurus::setSoftSuspend ( bool soft )
{
bool res = false;
int fd;
if ((( fd = ::open ( "/dev/apm_bios", O_RDWR )) >= 0 ) ||
(( fd = ::open ( "/dev/misc/apm_bios",O_RDWR )) >= 0 )) {
int sources = ::ioctl ( fd, APM_IOCGEVTSRC, 0 ); // get current event sources
if ( sources >= 0 ) {
if ( soft )
sources &= ~APM_EVT_POWER_BUTTON;
else
sources |= APM_EVT_POWER_BUTTON;
if ( ::ioctl ( fd, APM_IOCSEVTSRC, sources ) >= 0 ) // set new event sources
res = true;
else
perror ( "APM_IOCGEVTSRC" );
}
else
perror ( "APM_IOCGEVTSRC" );
::close ( fd );
}
else
perror ( "/dev/apm_bios or /dev/misc/apm_bios" );
return res;
}
bool Zaurus::setDisplayBrightness ( int bright )
{
bool res = false;
int fd;
if ( bright > 255 )
bright = 255;
if ( bright < 0 )
bright = 0;
if (( fd = ::open ( "/dev/fl", O_WRONLY )) >= 0 ) {
int bl = ( bright * 4 + 127 ) / 255; // only 4 steps on zaurus
if ( bright && !bl )
bl = 1;
res = ( ::ioctl ( fd, FL_IOCTL_STEP_CONTRAST, bl ) == 0 );
::close ( fd );
}
return res;
}
int Zaurus::displayBrightnessResolution ( ) const
{
return 5;
}