cec: fixed - don't keep the mutex locked in CCECProcessor::Initialise()
[deb_libcec.git] / src / lib / AdapterCommunication.h
index 73b3bd22633bc4203d49945f86970f806ad150d6..97cd18d2f3b1debbc01207509dbe4ac94e4103d5 100644 (file)
  */
 
 #include <cectypes.h>
-#include "platform/threads.h"
-#include "util/buffer.h"
-#include <string>
-#include <boost/enable_shared_from_this.hpp>
-#include <boost/shared_ptr.hpp>
+#include "platform/os.h"
+
+namespace PLATFORM
+{
+  class CSerialPort;
+}
 
 namespace CEC
 {
@@ -50,67 +51,81 @@ namespace CEC
   } cec_adapter_message_state;
 
 
-  class CCECAdapterMessage : public boost::enable_shared_from_this<CCECAdapterMessage>
+  class CCECAdapterMessage
   {
   public:
     CCECAdapterMessage(void) { clear(); }
     CCECAdapterMessage(const cec_command &command);
     CCECAdapterMessage &operator =(const CCECAdapterMessage &msg);
+    CStdString ToString(void) const;
+    CStdString MessageCodeAsString(void) const;
 
-    bool                    empty(void) const             { return packet.empty(); }
+    bool                    empty(void) const             { return packet.IsEmpty(); }
     uint8_t                 operator[](uint8_t pos) const { return packet[pos]; }
     uint8_t                 at(uint8_t pos) const         { return packet[pos]; }
     uint8_t                 size(void) const              { return packet.size; }
-    void                    clear(void)                   { state = ADAPTER_MESSAGE_STATE_UNKNOWN; packet.clear(); }
-    void                    shift(uint8_t iShiftBy)       { packet.shift(iShiftBy); }
-    void                    push_back(uint8_t add)        { packet.push_back(add); }
-    cec_adapter_messagecode message(void) const           { return packet.size >= 1 ? (cec_adapter_messagecode) (packet.at(0) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK))  : MSGCODE_NOTHING; }
-    bool                    eom(void) const               { return packet.size >= 1 ? (packet.at(0) & MSGCODE_FRAME_EOM) != 0 : false; }
-    bool                    ack(void) const               { return packet.size >= 1 ? (packet.at(0) & MSGCODE_FRAME_ACK) != 0 : false; }
-    cec_logical_address     initiator(void) const         { return packet.size >= 2 ? (cec_logical_address) (packet.at(1) >> 4)  : CECDEVICE_UNKNOWN; };
-    cec_logical_address     destination(void) const       { return packet.size >= 2 ? (cec_logical_address) (packet.at(1) & 0xF) : CECDEVICE_UNKNOWN; };
-    void                    push_escaped(int16_t byte);
+    void                    clear(void)                   { state = ADAPTER_MESSAGE_STATE_UNKNOWN; transmit_timeout = 0; packet.Clear(); maxTries = CEC_DEFAULT_TRANSMIT_RETRIES + 1; tries = 0; reply = MSGCODE_NOTHING; }
+    void                    shift(uint8_t iShiftBy)       { packet.Shift(iShiftBy); }
+    void                    push_back(uint8_t add)        { packet.PushBack(add); }
+    cec_adapter_messagecode message(void) const           { return packet.size >= 1 ? (cec_adapter_messagecode) (packet.At(0) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK))  : MSGCODE_NOTHING; }
+    bool                    eom(void) const               { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_EOM) != 0 : false; }
+    bool                    ack(void) const               { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_ACK) != 0 : false; }
+    cec_logical_address     initiator(void) const         { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) >> 4)  : CECDEVICE_UNKNOWN; };
+    cec_logical_address     destination(void) const       { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) & 0xF) : CECDEVICE_UNKNOWN; };
+    bool                    is_error(void) const;
+    void                    push_escaped(uint8_t byte);
+    bool                    needs_retry(void) const       { return reply == MSGCODE_NOTHING ||
+                                                                   reply == MSGCODE_RECEIVE_FAILED ||
+                                                                   reply == MSGCODE_TIMEOUT_ERROR ||
+                                                                   reply == MSGCODE_TRANSMIT_FAILED_LINE ||
+                                                                   reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
+                                                                   reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE ||
+                                                                   reply == MSGCODE_TRANSMIT_LINE_TIMEOUT; }
 
+    uint8_t                   maxTries;
+    uint8_t                   tries;
+    cec_adapter_messagecode   reply;
     cec_datapacket            packet;
     cec_adapter_message_state state;
-    CMutex                    mutex;
-    CCondition                condition;
+    int32_t                   transmit_timeout;
+    PLATFORM::CMutex          mutex;
+    PLATFORM::CCondition      condition;
   };
-  typedef boost::shared_ptr<CCECAdapterMessage> CCECAdapterMessagePtr;
 
-  class CSerialPort;
-  class CLibCEC;
+  class CCECProcessor;
 
-  class CAdapterCommunication : private CThread
+  class CAdapterCommunication : private PLATFORM::CThread
   {
   public:
-    CAdapterCommunication(CLibCEC *controller);
+    CAdapterCommunication(CCECProcessor *processor);
     virtual ~CAdapterCommunication();
 
     bool Open(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000);
     bool Read(CCECAdapterMessage &msg, uint32_t iTimeout = 1000);
-    bool Write(CCECAdapterMessagePtr data);
+    bool Write(CCECAdapterMessage *data);
     bool PingAdapter(void);
     void Close(void);
-    bool IsOpen(void) const;
+    bool IsOpen(void);
     std::string GetError(void) const;
 
     void *Process(void);
 
+    bool SetLineTimeout(uint8_t iTimeout);
     bool StartBootloader(void);
-    bool SetAckMask(uint16_t iMask);
 
   private:
+    void SendMessageToAdapter(CCECAdapterMessage *msg);
     void WriteNextCommand(void);
     void AddData(uint8_t *data, uint8_t iLen);
     bool ReadFromDevice(uint32_t iTimeout);
 
-    CSerialPort *                    m_port;
-    CLibCEC *                        m_controller;
-    CecBuffer<uint8_t>               m_inBuffer;
-    CecBuffer<CCECAdapterMessagePtr> m_outBuffer;
-    CMutex                           m_mutex;
-    CCondition                       m_rcvCondition;
-    CCondition                       m_startCondition;
+    PLATFORM::CSerialPort *                      m_port;
+    CCECProcessor *                              m_processor;
+    PLATFORM::SyncedBuffer<uint8_t>              m_inBuffer;
+    PLATFORM::SyncedBuffer<CCECAdapterMessage *> m_outBuffer;
+    PLATFORM::CMutex                             m_mutex;
+    PLATFORM::CCondition                         m_rcvCondition;
+    PLATFORM::CCondition                         m_startCondition;
+    uint8_t                                      m_iLineTimeout;
   };
 };