lib/dvb_ci/dvbci_mmi.cpp

   1 /* DVB CI MMI */
   2
   3 #include <lib/dvb_ci/dvbci_mmi.h>
   4 #include <lib/dvb_ci/dvbci_ui.h>
   5
   6 /*
   7 PyObject *list = PyList_New(len);
   8 for (i=0; i<len; ++i) {
   9         PyObject *tuple = PyTuple_New(3); // 3 eintrge im tuple
  10         PyTuple_SetItem(tuple, 0, PyString_FromString("eintrag 1"))
  11         PyTuple_SetItem(tuple, 1, PyInt_FromLong(31337));
  12         PyTuple_SetItem(tuple, 2, PyString_FromString("eintrag 3"))
  13         PyList_SetItem(list, i, tuple);
  14 }
  15 return list;
  16 */
  17
  18 eDVBCIMMISession::eDVBCIMMISession(eDVBCISlot *tslot)
  19 {
  20         slot = tslot;
  21         slot->mmi_session = this;
  22 }
  23
  24 eDVBCIMMISession::~eDVBCIMMISession()
  25 {
  26         slot->mmi_session = 0;
  27 }
  28
  29 int eDVBCIMMISession::receivedAPDU(const unsigned char *tag, const void *data, int len)
  30 {
  31         printf("SESSION(%d)/MMI %02x %02x %02x: ", session_nb, tag[0], tag[1],tag[2]);
  32         for (int i=0; i<len; i++)
  33                 printf("%02x ", ((const unsigned char*)data)[i]);
  34         printf("\n");
  35
  36         if ((tag[0]==0x9f) && (tag[1]==0x88))
  37         {
  38                 switch (tag[2])
  39                 {
  40                         case 0x01:
  41                         printf("MMI display control\n");
  42                         if (((unsigned char*)data)[0] != 1)
  43                                 printf("kann ich nicht. aber das sag ich dem modul nicht.\n");
  44                         state=stateDisplayReply;
  45                         return 1;
  46                 case 0x07:              //Tmenu_enq
  47                 {
  48                         unsigned char *d=(unsigned char*)data;
  49                         unsigned char *max=((unsigned char*)d) + len;
  50                         int textlen = len - 2;
  51                         int i;
  52
  53                         printf("in enq\n");
  54
  55                         if ((d+2) > max)
  56                                 break;
  57
  58                         int blind = *d++ & 1;
  59                         int alen = *d++;
  60
  61                         printf("%d bytes text\n", textlen);
  62                         if ((d+textlen) > max)
  63                                 break;
  64
  65                         char str[textlen + 1];
  66                         memcpy(str, ((char*)d), textlen);
  67                         str[textlen] = '\0';
  68
  69                         printf("enq-text: %s\n",str);
  70
  71                         eDVBCI_UI::getInstance()->mmiScreenEnq(0, blind, alen, str);
  72
  73                         break;
  74                 }
  75                 case 0x09:              //Tmenu_last
  76                 case 0x0c:              //Tlist_last
  77                 {
  78                         unsigned char *d=(unsigned char*)data;
  79                         unsigned char *max=((unsigned char*)d) + len;
  80                         int pos = 0;
  81                         printf("Tmenu_last\n");
  82                         if (d > max)
  83                                 break;
  84                         int n=*d++;
  85
  86                         //FIXME: slotid
  87                         if(tag[2] == 0x09)      //menu
  88                                 eDVBCI_UI::getInstance()->mmiScreenBegin(0, 0);
  89                         else                                                            //list
  90                                 eDVBCI_UI::getInstance()->mmiScreenBegin(0, 1);
  91
  92                         if (n == 0xFF)
  93                                 n=0;
  94                         else
  95                                 n++;
  96                         printf("%d texts\n", n);
  97                         for (int i=0; i < (n+3); ++i)
  98                         {
  99                                 int textlen;
 100                                 if ((d+3) > max)
 101                                         break;
 102                                 printf("text tag: %02x %02x %02x\n", d[0], d[1], d[2]);
 103                                 d+=3;
 104                                 d+=parseLengthField(d, textlen);
 105                                 printf("%d bytes text\n", textlen);
 106                                 if ((d+textlen) > max)
 107                                         break;
 108
 109                                 char str[textlen + 1];
 110                                 memcpy(str, ((char*)d), textlen);
 111                                 str[textlen] = '\0';
 112
 113                                 eDVBCI_UI::getInstance()->mmiScreenAddText(0, pos++, str);
 114
 115                                 while (textlen--)
 116                                         printf("%c", *d++);
 117                                 printf("\n");
 118                         }
 119                         //FIXME: slotid
 120                         eDVBCI_UI::getInstance()->mmiScreenFinish(0);
 121                         break;
 122                 }
 123                 default:
 124                         printf("unknown APDU tag 9F 88 %02x\n", tag[2]);
 125                         break;
 126                 }
 127         }
 128         return 0;
 129 }
 130
 131 int eDVBCIMMISession::doAction()
 132 {
 133         switch (state)
 134         {
 135         case stateStarted:
 136                 state=stateIdle;
 137                 break;
 138         case stateDisplayReply:
 139         {
 140                 unsigned char tag[]={0x9f, 0x88, 0x02};
 141                 unsigned char data[]={0x01, 0x01};
 142                 sendAPDU(tag, data, 2);
 143                 state=stateFakeOK;
 144                 return 1;
 145                 break;
 146         }
 147         case stateFakeOK:
 148         {
 149                 unsigned char tag[]={0x9f, 0x88, 0x0b};
 150                 unsigned char data[]={5};
 151                 sendAPDU(tag, data, 1);
 152                 state=stateIdle;
 153                 break;
 154         }
 155         case stateIdle:
 156                 break;
 157         default:
 158                 break;
 159         }
 160         return 0;
 161 }
 162
 163 int eDVBCIMMISession::stopMMI()
 164 {
 165         printf("eDVBCIMMISession::stopMMI()\n");
 166
 167         unsigned char tag[]={0x9f, 0x88, 0x00};
 168         unsigned char data[]={0x00};
 169         sendAPDU(tag, data, 1);
 170 }
 171
 172 int eDVBCIMMISession::answerText(int answer)
 173 {
 174         printf("eDVBCIMMISession::answerText(%d)\n",answer);
 175
 176         unsigned char tag[]={0x9f, 0x88, 0x0B};
 177         unsigned char data[]={0x00};
 178         data[0] = answer & 0xff;
 179         sendAPDU(tag, data, 1);
 180 }
 181
 182 int eDVBCIMMISession::cancelEnq()
 183 {
 184         printf("eDVBCIMMISession::cancelEnq()\n");
 185
 186         unsigned char tag[]={0x9f, 0x88, 0x08};
 187         unsigned char data[]={0x00};
 188         sendAPDU(tag, data, 1);
 189 }
 190