lib/gdi/lcd.cpp

   1 #include <lib/gdi/lcd.h>
   2
   3 #include <unistd.h>
   4 #include <fcntl.h>
   5 #include <sys/ioctl.h>
   6
   7 #include <dbox/fp.h>
   8 #include <dbox/lcd-ks0713.h>
   9
  10 #include <lib/gdi/esize.h>
  11 #include <lib/base/init.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/gdi/glcddc.h>
  14
  15 eDBoxLCD *eDBoxLCD::instance;
  16
  17 eLCD::eLCD(eSize size): res(size)
  18 {
  19         locked=0;
  20         _buffer=new unsigned char[res.height()*res.width()];
  21         _stride=res.width();
  22 }
  23
  24 eLCD::~eLCD()
  25 {
  26         delete [] _buffer;
  27 }
  28
  29 int eLCD::lock()
  30 {
  31         if (locked)
  32                 return -1;
  33
  34         locked=1;
  35         return lcdfd;
  36 }
  37
  38 void eLCD::unlock()
  39 {
  40         read( lcdfd, NULL, 0);
  41         if ( errno == 9 )
  42         {
  43                 eDebug("reopen lcd");
  44                 lcdfd=open("/dev/dbox/lcd0", O_RDWR);  // reopen device
  45         }
  46         else
  47                 eDebug("do not reopen lcd.. errno = %d", errno);
  48
  49         locked=0;
  50 }
  51
  52 eDBoxLCD::eDBoxLCD(): eLCD(eSize(132, 64))
  53 {
  54 #ifndef NO_LCD
  55         lcdfd = open("/dev/dbox/oled0", O_RDWR);
  56         if (lcdfd < 0)
  57         {
  58                 lcdfd = open("/dev/dbox/lcd0", O_RDWR);
  59                 is_oled = 0;
  60         } else
  61         {
  62                 eDebug("found OLED display!");
  63                 is_oled = 1;
  64         }
  65 #else
  66         lcdfd = -1;
  67 #endif
  68         instance=this;
  69
  70         if (lcdfd<0)
  71                 eDebug("couldn't open LCD - load lcd.o!");
  72         else
  73         {
  74                 int i=LCD_MODE_BIN;
  75                 ioctl(lcdfd, LCD_IOCTL_ASC_MODE, &i);
  76                 inverted=0;
  77         }
  78 }
  79
  80 void eDBoxLCD::setInverted(unsigned char inv)
  81 {
  82         inverted=inv;
  83         update();
  84 }
  85
  86 int eDBoxLCD::setLCDContrast(int contrast)
  87 {
  88         int fp;
  89         if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
  90         {
  91                 eDebug("[LCD] can't open /dev/dbox/fp0");
  92                 return(-1);
  93         }
  94
  95         if(ioctl(lcdfd, LCD_IOCTL_SRV, &contrast))
  96         {
  97                 eDebug("[LCD] can't set lcd contrast");
  98         }
  99         close(fp);
 100         return(0);
 101 }
 102
 103 int eDBoxLCD::setLCDBrightness(int brightness)
 104 {
 105         int fp;
 106         if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
 107         {
 108                 eDebug("[LCD] can't open /dev/dbox/fp0");
 109                 return(-1);
 110         }
 111
 112         if(ioctl(fp, FP_IOCTL_LCD_DIMM, &brightness))
 113         {
 114                 eDebug("[LCD] can't set lcd brightness");
 115         }
 116         close(fp);
 117         return(0);
 118 }
 119
 120 eDBoxLCD::~eDBoxLCD()
 121 {
 122         if (lcdfd>0)
 123         {
 124                 close(lcdfd);
 125                 lcdfd=0;
 126         }
 127 }
 128
 129 eDBoxLCD *eDBoxLCD::getInstance()
 130 {
 131         return instance;
 132 }
 133
 134 void eDBoxLCD::update()
 135 {
 136         if (!is_oled)
 137         {
 138                 unsigned char raw[132*8];
 139                 int x, y, yy;
 140                 for (y=0; y<8; y++)
 141                 {
 142                         for (x=0; x<132; x++)
 143                         {
 144                                 int pix=0;
 145                                 for (yy=0; yy<8; yy++)
 146                                 {
 147                                         pix|=(_buffer[(y*8+yy)*132+x]>=108)<<yy;
 148                                 }
 149                                 raw[y*132+x]=(pix^inverted);
 150                         }
 151                 }
 152                 if (lcdfd>0)
 153                         write(lcdfd, raw, 132*8);
 154         } else
 155         {
 156                 unsigned char raw[64*64];
 157                 int x, y;
 158                 memset(raw, 0, 64*64);
 159                 for (y=0; y<64; y++)
 160                 {
 161                         for (x=0; x<128 / 2; x++)
 162                                 raw[y*64+x] = (_buffer[y*132 + x * 2 + 2] & 0xF0) |(_buffer[y*132 + x * 2 + 1 + 2] >> 4);
 163                 }
 164                 if (lcdfd > 0)
 165                         write(lcdfd, raw, 64*64);
 166         }
 167 }
 168