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authorFelix Domke <tmbinc@elitedvb.net>2003-10-17 15:36:42 +0000
committerFelix Domke <tmbinc@elitedvb.net>2003-10-17 15:36:42 +0000
commitd63d2c3c6cbbd574dda4f8b00ebe6c661735edd5 (patch)
tree84d0cacfd0b6c1241c236c7860f7cbd7f26901bb /lib/gdi/lcd.cpp
downloadenigma2-d63d2c3c6cbbd574dda4f8b00ebe6c661735edd5.tar.gz
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import of enigma2
Diffstat (limited to 'lib/gdi/lcd.cpp')
-rw-r--r--lib/gdi/lcd.cpp210
1 files changed, 210 insertions, 0 deletions
diff --git a/lib/gdi/lcd.cpp b/lib/gdi/lcd.cpp
new file mode 100644
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--- /dev/null
+++ b/lib/gdi/lcd.cpp
@@ -0,0 +1,210 @@
+#ifndef DISABLE_LCD
+
+#include <lib/gdi/lcd.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include <dbox/fp.h>
+#include <dbox/lcd-ks0713.h>
+
+#include <lib/gdi/esize.h>
+#include <lib/base/init.h>
+#include <lib/base/init_num.h>
+#include <lib/gdi/glcddc.h>
+#include <lib/base/econfig.h>
+
+eDBoxLCD *eDBoxLCD::instance;
+
+eLCD::eLCD(eSize size): res(size)
+{
+ locked=0;
+ _buffer=new unsigned char[res.height()*res.width()];
+ _stride=res.width();
+}
+
+eLCD::~eLCD()
+{
+ delete [] _buffer;
+}
+
+int eLCD::lock()
+{
+ if (locked)
+ return -1;
+
+ locked=1;
+ return lcdfd;
+}
+
+void eLCD::unlock()
+{
+ read( lcdfd, NULL, 0);
+ if ( errno == 9 )
+ {
+ eDebug("reopen lcd");
+ lcdfd=open("/dev/dbox/lcd0", O_RDWR); // reopen device
+ }
+ else
+ eDebug("do not reopen lcd.. errno = %d", errno);
+
+ locked=0;
+}
+
+/* void eLCD::line(ePoint start, ePoint dst, int color)
+{
+int Ax=start.x(), // dieser code rult ganz ganz doll weil er ganz ganz fast ist und auch sehr gut dokumentiert is
+Ay=start.y(), Bx=dst.x(), // t. es handelt sich immerhin um den weltbekannten bresenham algorithmus der nicht nur
+By=dst.y(); int dX, dY, fbXincr, // sehr schnell ist sondern auch sehr gut dokumentiert und getestet wurde. nicht
+fbYincr, fbXYincr, dPr, dPru, P; __u8 // nur auf dem LCD der dbox, sondern auch ueberall anders. und auch auf der
+*AfbAddr = &buffer()[Ay*stride()+Ax]; __u8 // dbox mit LCD soll das teil nun tun, und ich denke das tut es. ausse
+*BfbAddr = &buffer()[By*stride()+Bx]; fbXincr= // rdem hat dieser algo den vorteil dass man fehler sehr leicht fi
+1; if ( (dX=Bx-Ax) >= 0) goto AFTERNEGX; dX=-dX; // ndet und beheben kann. das liegt nicht zuletzt an den komment
+fbXincr=-1; AFTERNEGX: fbYincr=stride(); if ( (dY=By // aren. und ausserdem, je kuerzer der code, desto weniger k
+-Ay) >= 0) goto AFTERNEGY; fbYincr=-stride(); dY=-dY;AFTERNEGY: // ann daran falsch sein. erwaehnte ich schon, da
+fbXYincr = fbXincr+fbYincr; if (dY > dX) goto YisIndependent; dPr = dY+ // s dieser tolle code wahnsinnig schnell
+dY; P = -dX; dPru = P+P; dY = dX>>1; XLOOP: *AfbAddr=color; *BfbAddr=color; if ((P+=dPr) > 0) // ist? bye, tmbinc
+goto RightAndUp; AfbAddr+=fbXincr; BfbAddr-=fbXincr; if ((dY=dY-1) > 0) goto XLOOP; *AfbAddr=color; if ((dX & 1)
+== 0) return; *BfbAddr=color; return; RightAndUp: AfbAddr+=fbXYincr; BfbAddr-=fbXYincr; P+=dPru; if ((dY=dY-1) >
+0) goto XLOOP; *AfbAddr=color; if ((dX & 1) == 0) return; *BfbAddr=color; return; YisIndependent: dPr = dX+dX; P
+= -dY; dPru = P+P; dX = dY>>1; YLOOP: *AfbAddr=color; *BfbAddr=color; if ((P+=dPr) > 0) goto RightAndUp2; AfbAddr
++=fbYincr; BfbAddr-=fbYincr; if ((dX=dX-1) > 0) goto YLOOP; *AfbAddr=color; if ((dY & 1) == 0) return; *BfbAddr=
+color;return; RightAndUp2: AfbAddr+=fbXYincr; BfbAddr-=fbXYincr; P+=dPru; if ((dX=dX-1) > 0) goto YLOOP; *AfbAddr
+=color; if((dY & 1) == 0) return; *BfbAddr=color; return; // nun ist der tolle code leider zu ende. tut mir leid.
+} */
+
+eDBoxLCD::eDBoxLCD(): eLCD(eSize(128, 64))
+{
+#ifndef NO_LCD
+ lcdfd=open("/dev/dbox/lcd0", O_RDWR);
+#else
+ lcdfd=-1;
+#endif
+ instance=this;
+
+ if (lcdfd<0)
+ eDebug("couldn't open LCD - load lcd.o!");
+ else
+ {
+ int i=LCD_MODE_BIN;
+ ioctl(lcdfd, LCD_IOCTL_ASC_MODE, &i);
+ int lcdbrightness=0, lcdcontrast=0;
+
+ if( eConfig::getInstance()->getKey("/ezap/lcd/brightness", lcdbrightness) )
+ {
+ lcdbrightness=130;
+ eConfig::getInstance()->setKey("/ezap/lcd/brightness", lcdbrightness);
+ }
+ if( eConfig::getInstance()->getKey("/ezap/lcd/contrast", lcdcontrast) )
+ {
+ lcdcontrast=32;
+ eConfig::getInstance()->setKey("/ezap/lcd/contrast", lcdcontrast);
+ }
+ setLCDParameter(lcdbrightness, lcdcontrast);
+ int tmp;
+ if( eConfig::getInstance()->getKey("/ezap/lcd/inverted", tmp ) )
+ {
+ inverted=0;
+ eConfig::getInstance()->setKey("/ezap/lcd/inverted", (int) 0 );
+ }
+ else
+ inverted=(unsigned char)tmp;
+ }
+}
+
+void eDBoxLCD::setInverted(unsigned char inv)
+{
+ inverted=inv;
+ update();
+}
+
+int eDBoxLCD::setLCDParameter(int brightness, int contrast)
+{
+ int fp;
+ if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
+ {
+ eDebug("[LCD] can't open /dev/dbox/fp0");
+ return(-1);
+ }
+
+ if(ioctl(lcdfd, LCD_IOCTL_SRV, &contrast))
+ {
+ eDebug("[LCD] can't set lcd contrast");
+ }
+
+ if(ioctl(fp, FP_IOCTL_LCD_DIMM, &brightness))
+ {
+ eDebug("[LCD] can't set lcd brightness");
+ }
+ eDebug("[LCD] set brightness %d, contrast %d", brightness, contrast);
+ return(0);
+}
+
+int eDBoxLCD::switchLCD(int state)
+{
+ int lcdbrightness, lcdcontrast, lcdstandby=0;
+
+ eConfig::getInstance()->getKey("/ezap/lcd/contrast", lcdcontrast);
+
+ if(state==0)
+ {
+ eConfig::getInstance()->getKey("/ezap/lcd/standby", lcdstandby);
+ setLCDParameter(lcdstandby, lcdcontrast);
+ }
+ else
+ {
+ eConfig::getInstance()->getKey("/ezap/lcd/brightness", lcdbrightness);
+ setLCDParameter(lcdbrightness, lcdcontrast);
+
+ }
+ return(0);
+}
+
+eDBoxLCD::~eDBoxLCD()
+{
+ if (lcdfd>0)
+ close(lcdfd);
+}
+
+eDBoxLCD *eDBoxLCD::getInstance()
+{
+ return instance;
+}
+
+void eDBoxLCD::update()
+{
+ if (!locked)
+ {
+ unsigned char raw[120*8];
+ int x, y, yy;
+ for (y=0; y<8; y++)
+ {
+ for (x=0; x<120; x++)
+ {
+ int pix=0;
+ for (yy=0; yy<8; yy++)
+ {
+ pix|=(_buffer[(y*8+yy)*128+x]>=108)<<yy;
+ }
+ raw[y*120+x]=(pix^inverted);
+ }
+ }
+ if (lcdfd>0)
+ write(lcdfd, raw, 120*8);
+ }
+}
+
+class eDBoxLCDHardware
+{
+ eDBoxLCD lcd;
+ gLCDDC lcddc;
+public:
+ eDBoxLCDHardware(): lcddc(&lcd)
+ {
+ }
+};
+
+eAutoInitP0<eDBoxLCDHardware> init_eDBoxLCDHardware(eAutoInitNumbers::lowlevel, "d-Box LCD Hardware");
+
+#endif //DISABLE_LCD