lib/dvb_ci/dvbci_mmi.cpp

   1 /* DVB CI MMI */
   2
   3 #include <lib/dvb_ci/dvbci_mmi.h>
   4
   5 eDVBCIMMISession::eDVBCIMMISession(eDVBCISlot *tslot)
   6 {
   7         slot = tslot;
   8         slot->mmi_session = this;
   9 }
  10
  11 eDVBCIMMISession::~eDVBCIMMISession()
  12 {
  13         slot->mmi_session = 0;
  14 }
  15
  16 int eDVBCIMMISession::receivedAPDU(const unsigned char *tag, const void *data, int len)
  17 {
  18         printf("SESSION(%d)/MMI %02x %02x %02x: ", session_nb, tag[0], tag[1],tag[2]);
  19         for (int i=0; i<len; i++)
  20                 printf("%02x ", ((const unsigned char*)data)[i]);
  21         printf("\n");
  22
  23         if ((tag[0]==0x9f) && (tag[1]==0x88))
  24         {
  25                 switch (tag[2])
  26                 {
  27                         case 0x01:
  28                         printf("MMI display control\n");
  29                         if (((unsigned char*)data)[0] != 1)
  30                                 printf("kann ich nicht. aber das sag ich dem modul nicht.\n");
  31                         state=stateDisplayReply;
  32                         return 1;
  33                 case 0x09:
  34                 case 0x0c:
  35                 {
  36                         unsigned char *d=(unsigned char*)data;
  37                         unsigned char *max=((unsigned char*)d) + len;
  38                         printf("Tmenu_last\n");
  39                         if (d > max)
  40                                 break;
  41                         int n=*d++;
  42                         if (n == 0xFF)
  43                                 n=0;
  44                         else
  45                                 n++;
  46                         printf("%d texts\n", n);
  47                         for (int i=0; i < (n+3); ++i)
  48                         {
  49                                 int textlen;
  50                                 if ((d+3) > max)
  51                                         break;
  52                                 printf("text tag: %02x %02x %02x\n", d[0], d[1], d[2]);
  53                                 d+=3;
  54                                 d+=parseLengthField(d, textlen);
  55                                 printf("%d bytes text\n", textlen);
  56                                 if ((d+textlen) > max)
  57                                         break;
  58                                 while (textlen--)
  59                                         printf("%c", *d++);
  60                                 printf("\n");
  61                         }
  62                         break;
  63                 }
  64                 default:
  65                         printf("unknown APDU tag 9F 88 %02x\n", tag[2]);
  66                         break;
  67                 }
  68         }
  69         return 0;
  70 }
  71
  72 int eDVBCIMMISession::doAction()
  73 {
  74         switch (state)
  75         {
  76         case stateStarted:
  77                 state=stateIdle;
  78                 break;
  79         case stateDisplayReply:
  80         {
  81                 unsigned char tag[]={0x9f, 0x88, 0x02};
  82                 unsigned char data[]={0x01, 0x01};
  83                 sendAPDU(tag, data, 2);
  84                 state=stateFakeOK;
  85                 return 1;
  86                 break;
  87         }
  88         case stateFakeOK:
  89         {
  90                 unsigned char tag[]={0x9f, 0x88, 0x0b};
  91                 unsigned char data[]={5};
  92                 sendAPDU(tag, data, 1);
  93                 state=stateIdle;
  94                 break;
  95         }
  96         case stateIdle:
  97                 break;
  98         default:
  99                 break;
 100         }
 101         return 0;
 102 }
 103
 104 int eDVBCIMMISession::stopMMI()
 105 {
 106         printf("eDVBCIMMISession::stopMMI()\n");
 107
 108         unsigned char tag[]={0x9f, 0x88, 0x00};
 109         unsigned char data[]={0x00};
 110         sendAPDU(tag, data, 1);
 111 }
 112