cec: created a separate reader thread and fixed the 'lock timeout' bug
[deb_libcec.git] / src / lib / CECParser.h
1 #pragma once
2 /*
3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
7 *
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 *
10 * This program is dual-licensed; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 *
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
27 *
28 * For more information contact:
29 * Pulse-Eight Licensing <license@pulse-eight.com>
30 * http://www.pulse-eight.com/
31 * http://www.pulse-eight.net/
32 */
33
34 #include <queue>
35 #include <stdio.h>
36 #include "../../include/CECExports.h"
37 #include "../../include/CECTypes.h"
38 #include "util/buffer.h"
39
40 class CSerialPort;
41
42 namespace CEC
43 {
44 class CCommunication;
45
46 class CCECParser : public ICECDevice
47 {
48 public:
49 /*!
50 * ICECDevice implementation
51 */
52 //@{
53 CCECParser(const char *strDeviceName, cec_logical_address iLogicalAddress = CECDEVICE_PLAYBACKDEVICE1, int iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
54 virtual ~CCECParser(void);
55
56 virtual bool Open(const char *strPort, int iTimeout = 10000);
57 virtual bool Close(int iTimeoutMs = 2000);
58 virtual int FindDevices(std::vector<cec_device> &deviceList, const char *strDevicePath = NULL);
59 virtual bool Ping(void);
60 virtual bool StartBootloader(void);
61 virtual bool PowerOffDevices(cec_logical_address address = CECDEVICE_BROADCAST);
62 virtual bool PowerOnDevices(cec_logical_address address = CECDEVICE_TV);
63 virtual bool StandbyDevices(cec_logical_address address = CECDEVICE_BROADCAST);
64 virtual bool SetActiveView(void);
65 virtual bool SetInactiveView(void);
66 virtual bool GetNextLogMessage(cec_log_message *message);
67 virtual bool GetNextKeypress(cec_keypress *key);
68 virtual bool GetNextCommand(cec_command *command);
69 virtual bool Transmit(const cec_frame &data, bool bWaitForAck = true, int64_t iTimeout = (int64_t) 5000);
70 virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress);
71 virtual bool SetAckMask(uint16_t iMask);
72 virtual int GetMinVersion(void);
73 virtual int GetLibVersion(void);
74 //@}
75
76 static void *ThreadHandler(CCECParser *parser);
77 bool Process(void);
78 void AddLog(cec_log_level level, const std::string &strMessage);
79 protected:
80 virtual bool TransmitFormatted(const cec_frame &data, bool bWaitForAck = true, int64_t iTimeout = (int64_t) 2000);
81 virtual void TransmitAbort(cec_logical_address address, cec_opcode opcode, ECecAbortReason reason = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
82 virtual void ReportCECVersion(cec_logical_address address = CECDEVICE_TV);
83 virtual void ReportPowerState(cec_logical_address address = CECDEVICE_TV, bool bOn = true);
84 virtual void ReportMenuState(cec_logical_address address = CECDEVICE_TV, bool bActive = true);
85 virtual void ReportVendorID(cec_logical_address address = CECDEVICE_TV);
86 virtual void ReportOSDName(cec_logical_address address = CECDEVICE_TV);
87 virtual void ReportPhysicalAddress(void);
88 virtual void BroadcastActiveSource(void);
89 virtual uint8_t GetSourceDestination(cec_logical_address destination = CECDEVICE_BROADCAST);
90
91 private:
92 void AddKey(void);
93 void AddCommand(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_frame *parameters);
94 bool WaitForAck(int64_t iTimeout = (int64_t) 1000);
95 bool ReadFromDevice(int iTimeout);
96 void ProcessMessages(void);
97 bool GetMessage(cec_frame &msg, bool bFromBuffer = true);
98 void ParseMessage(cec_frame &msg);
99 void ParseCurrentFrame(void);
100
101 void AddData(uint8_t* data, int len);
102 void PushEscaped(cec_frame &vec, uint8_t iByte);
103
104 void CheckKeypressTimeout(int64_t now);
105
106 cec_frame m_currentframe;
107 cec_user_control_code m_iCurrentButton;
108 int64_t m_buttontime;
109 int m_physicaladdress;
110 cec_logical_address m_iLogicalAddress;
111 CecBuffer<cec_frame> m_frameBuffer;
112 CecBuffer<cec_log_message> m_logBuffer;
113 CecBuffer<cec_keypress> m_keyBuffer;
114 CecBuffer<cec_command> m_commandBuffer;
115 std::string m_strDeviceName;
116 pthread_t m_thread;
117 CMutex m_mutex;
118 CCondition m_exitCondition;
119 bool m_bRunning;
120 CCommunication *m_communication;
121 };
122 };