retry frontend close every 60 seconds when frontend is busy
[enigma2.git] / lib / dvb / frontend.cpp
index a26f6bd85b36dffacf0246b57c34ba91f40230ac..a3483904b8c78f349bdb316fc876aa293db43ab6 100644 (file)
@@ -208,102 +208,150 @@ RESULT eDVBFrontendParameters::getHash(unsigned long &hash) const
 
 DEFINE_REF(eDVBFrontend);
 
-eDVBFrontend::eDVBFrontend(int adap, int fe, int &ok): m_type(-1), m_fe(fe), m_curVoltage(-1)
+eDVBFrontend::eDVBFrontend(int adap, int fe, int &ok)
+       :m_type(-1), m_fe(fe), m_timeout(0), m_tuneTimer(0), m_fd(-1)
+#if HAVE_DVB_API_VERSION < 3
+       ,m_secfd(-1)
+#endif
 {
 #if HAVE_DVB_API_VERSION < 3
-       char sec_filename[128];
+       sprintf(m_sec_filename, "/dev/dvb/card%d/sec%d", adap, fe);
 #endif
-       char filename[128];
+       sprintf(m_filename, "/dev/dvb/adapter%d/frontend%d", adap, fe);
+
+       m_timeout = new eTimer(eApp);
+       CONNECT(m_timeout->timeout, eDVBFrontend::timeout);
+
+       m_tuneTimer = new eTimer(eApp);
+       CONNECT(m_tuneTimer->timeout, eDVBFrontend::tuneLoop);
+
+       int entries = sizeof(m_data) / sizeof(int);
+       for (int i=0; i<entries; ++i)
+               m_data[i] = -1;
 
-       int result;
+       ok = !openFrontend();
+       closeFrontend();
+}
+
+int eDVBFrontend::openFrontend()
+{
+       if (m_fd >= 0)
+               return -1;  // already opened
 
-       m_sn = 0;
-       m_timeout = 0;
+       m_state=0;
+       m_curVoltage=voltageOff;
+       m_tuning=0;
 
 #if HAVE_DVB_API_VERSION < 3
-       sprintf(sec_filename, "/dev/dvb/card%d/sec%d", adap, fe);
-       m_secfd = ::open(sec_filename, O_RDWR);
+       m_secfd = ::open(m_sec_filename, O_RDWR);
        if (m_secfd < 0)
        {
-               eWarning("failed! (%s) %m", sec_filename);
-               ok = 0;
-               return;
+               eWarning("failed! (%s) %m", m_sec_filename);
+               return -1;
        }
        FrontendInfo fe_info;
-       sprintf(filename, "/dev/dvb/card%d/frontend%d", adap, fe);
 #else
-       dvb_frontend_info fe_info;      
-       sprintf(filename, "/dev/dvb/adapter%d/frontend%d", adap, fe);
+       dvb_frontend_info fe_info;
 #endif
-       eDebug("opening frontend.");
-       m_fd = ::open(filename, O_RDWR|O_NONBLOCK);
+       eDebug("opening frontend %d", m_fe);
+       m_fd = ::open(m_filename, O_RDWR|O_NONBLOCK);
        if (m_fd < 0)
        {
-               eWarning("failed! (%s) %m", filename);
-               ok = 0;
-               return;
-       }
-
-       result = ::ioctl(m_fd, FE_GET_INFO, &fe_info);
-       
-       if (result < 0) {
-               eWarning("ioctl FE_GET_INFO failed");
-               ::close(m_fd);
-               m_fd = -1;
-               ok = 0;
-               return;
+               eWarning("failed! (%s) %m", m_filename);
+#if HAVE_DVB_API_VERSION < 3
+               ::close(m_secfd);
+               m_secfd=-1;
+#endif
+               return -1;
        }
 
-       switch (fe_info.type) 
+       if (m_type == -1)
        {
-       case FE_QPSK:
-               m_type = feSatellite;
-               break;
-       case FE_QAM:
-               m_type = feCable;
-               break;
-       case FE_OFDM:
-               m_type = feTerrestrial;
-               break;
-       default:
-               eWarning("unknown frontend type.");
-               ::close(m_fd);
-               m_fd = -1;
-               ok = 0;
-               return;
+               if (::ioctl(m_fd, FE_GET_INFO, &fe_info) < 0)
+               {
+                       eWarning("ioctl FE_GET_INFO failed");
+                       ::close(m_fd);
+                       m_fd = -1;
+#if HAVE_DVB_API_VERSION < 3
+                       ::close(m_secfd);
+                       m_secfd=-1;
+#endif
+                       return -1;
+               }
+
+               switch (fe_info.type)
+               {
+               case FE_QPSK:
+                       m_type = iDVBFrontend::feSatellite;
+                       break;
+               case FE_QAM:
+                       m_type = iDVBFrontend::feCable;
+                       break;
+               case FE_OFDM:
+                       m_type = iDVBFrontend::feTerrestrial;
+                       break;
+               default:
+                       eWarning("unknown frontend type.");
+                       ::close(m_fd);
+                       m_fd = -1;
+#if HAVE_DVB_API_VERSION < 3
+                       ::close(m_secfd);
+                       m_secfd=-1;
+#endif
+                       return -1;
+               }
+               eDebug("detected %s frontend", "satellite\0cable\0    terrestrial"+fe_info.type*10);
        }
-       eDebug("detected %s frontend", "satellite\0cable\0    terrestrial"+fe_info.type*10);
-       ok = 1;
+
+       setTone(iDVBFrontend::toneOff);
+       setVoltage(iDVBFrontend::voltageOff);
 
        m_sn = new eSocketNotifier(eApp, m_fd, eSocketNotifier::Read);
        CONNECT(m_sn->activated, eDVBFrontend::feEvent);
        m_sn->start();
 
-       m_timeout = new eTimer(eApp);
-       CONNECT(m_timeout->timeout, eDVBFrontend::timeout);
-
-       m_tuneTimer = new eTimer(eApp);
-       CONNECT(m_tuneTimer->timeout, eDVBFrontend::tuneLoop);
-
-       int entries = sizeof(m_data) / sizeof(int);
-       for (int i=0; i<entries; ++i)
-               m_data[i] = -1;
-
-//     m_data[7] = !m_fe;
+       return 0;
+}
 
-//     eDebug("m_data[7] = %d %d", m_data[7], m_fe);
+int eDVBFrontend::closeFrontend()
+{
+       if (!m_fe && m_data[7] != -1)
+       {
+               // try to close the first frontend.. but the second is linked to the first
+               eDVBRegisteredFrontend *linked_fe = (eDVBRegisteredFrontend*)m_data[7];
+               if (linked_fe->m_inuse)
+               {
+                       eDebug("dont close frontend %d until the linked frontend %d is still in use",
+                               m_fe, linked_fe->m_frontend->getID());
+                       return -1;
+               }
+       }
+       eDebug("close frontend %d", m_fe);
+       if (m_fd >= 0)
+       {
+               ::close(m_fd);
+               m_fd=-1;
+       }
+#if HAVE_DVB_API_VERSION < 3
+       if (m_secfd >= 0)
+       {
+               ::close(m_secfd);
+               m_secfd=-1;
+       }
+#endif
+       delete m_sn;
+       m_sn=0;
 
-       return;
+       setTone(iDVBFrontend::toneOff);
+       setVoltage(iDVBFrontend::voltageOff);
+       return 0;
 }
 
 eDVBFrontend::~eDVBFrontend()
 {
-       if (m_fd >= 0)
-               ::close(m_fd);
-       if (m_sn)
-               delete m_sn;
-       if (m_timeout)
-               delete m_timeout;
+       closeFrontend();
+       delete m_timeout;
+       delete m_tuneTimer;
 }
 
 void eDVBFrontend::feEvent(int w)
@@ -609,7 +657,7 @@ void eDVBFrontend::tuneLoop()  // called by m_tuneTimer
 
 void eDVBFrontend::setFrontend()
 {
-       eDebug("setting frontend..\n");
+       eDebug("setting frontend %d", m_fe);
        if (ioctl(m_fd, FE_SET_FRONTEND, &parm) == -1)
        {
                perror("FE_SET_FRONTEND failed");
@@ -684,7 +732,7 @@ RESULT eDVBFrontend::tune(const iDVBFrontendParameters &where)
                parm.frequency = feparm.frequency * 1000;
                parm.u.qam.symbol_rate = feparm.symbol_rate;
 #endif
-               fe_modulation_t mod;
+               fe_modulation_t mod=QAM_AUTO;
                switch (feparm.modulation)
                {
                case eDVBFrontendParametersCable::Modulation::QAM16:
@@ -739,7 +787,7 @@ RESULT eDVBFrontend::tune(const iDVBFrontendParameters &where)
                        break;
                }
                
-               fe_code_rate_t fec_inner;
+               fe_code_rate_t fec_inner=FEC_AUTO;
                switch (feparm.fec_inner)
                {               
                case eDVBFrontendParametersCable::FEC::fNone:
@@ -907,6 +955,8 @@ RESULT eDVBFrontend::connectStateChange(const Slot1<void,iDVBFrontend*> &stateCh
 
 RESULT eDVBFrontend::setVoltage(int voltage)
 {
+       if (m_type != feSatellite)
+               return -1;
 #if HAVE_DVB_API_VERSION < 3
        secVoltage vlt;
 #else
@@ -917,6 +967,8 @@ RESULT eDVBFrontend::setVoltage(int voltage)
        switch (voltage)
        {
        case voltageOff:
+               for (int i=0; i < 3; ++i)  // reset diseqc
+                       m_data[i]=-1;
                vlt = SEC_VOLTAGE_OFF;
                break;
        case voltage13:
@@ -943,6 +995,8 @@ RESULT eDVBFrontend::getState(int &state)
 
 RESULT eDVBFrontend::setTone(int t)
 {
+       if (m_type != feSatellite)
+               return -1;
 #if HAVE_DVB_API_VERSION < 3
        secToneMode_t tone;
 #else