code.vuplus.com Git - vuplus_dvbapp/blob - lib/driver/hdmi_cec.cpp

   1 #include <unistd.h>
   2 #include <fcntl.h>
   3 #include <sys/ioctl.h>
   4 #include <string.h>
   5
   6 #include <lib/base/init.h>
   7 #include <lib/base/init_num.h>
   8 #include <lib/base/eerror.h>
   9 #include <lib/base/ebase.h>
  10 #include <lib/driver/hdmi_cec.h>
  11
  12 eHdmiCEC *eHdmiCEC::instance = NULL;
  13
  14 eHdmiCEC::eHdmiCEC()
  15 {
  16         ASSERT(!instance);
  17         instance = this;
  18         hdmiFd = ::open("/dev/hdmi_cec", O_RDWR | O_NONBLOCK);
  19         if (hdmiFd >= 0)
  20         {
  21                 messageNotifier = eSocketNotifier::create(eApp, hdmiFd, eSocketNotifier::Read);
  22                 CONNECT(messageNotifier->activated, eHdmiCEC::hdmiEvent);
  23         }
  24 }
  25
  26 eHdmiCEC::~eHdmiCEC()
  27 {
  28         if (hdmiFd >= 0) ::close(hdmiFd);
  29 }
  30
  31 eHdmiCEC *eHdmiCEC::getInstance()
  32 {
  33         return instance;
  34 }
  35
  36 void eHdmiCEC::hdmiEvent(int what)
  37 {
  38         struct cec_message message;
  39         if (::read(hdmiFd, &message, 2) == 2)
  40         {
  41                 if (::read(hdmiFd, &message.data, message.length) == message.length)
  42                 {
  43                         messageReceived(message.address, message.data[0]);
  44                         //eDebug("[HDMI-CEC] ******************* received from %02x command: %02x %02x %02x %02x", message.address, message.data[0], message.data[1], message.data[2], message.data[3]);
  45                         switch(message.data[0])
  46                         {
  47                                 case 0x44:
  48                                         messageReceivedKey(message.address, message.data[1]);
  49                                         break;
  50                                 /*case 0x45:
  51                                         messageReceivedKey(message.address, message.data[1]);
  52                                         break;
  53                                 for future functions =)
  54                                 case 0x99:
  55                                         messageReceivedKey(message.address, message.data[1]);
  56                                         SecondmessageReceivedKey(message.address, message.data[2]);
  57                                         break;
  58                                 */
  59                         }
  60                 }
  61         }
  62 }
  63
  64 void eHdmiCEC::sendMessage(unsigned char address, unsigned char length, char *data)
  65 {
  66         if (hdmiFd >= 0)
  67         {
  68                 struct cec_message message;
  69                 message.address = address;
  70                 if (length > sizeof(message.data)) length = sizeof(message.data);
  71                 message.length = length;
  72                 memcpy(message.data, data, length);
  73                 ::write(hdmiFd, &message, 2 + length);
  74         }
  75 }
  76
  77 eAutoInitP0<eHdmiCEC> init_hdmicec(eAutoInitNumbers::rc, "Hdmi CEC driver");