3 * This file is part of the libCEC(R) library.
5 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
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.
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.
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.
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
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/
35 #include "../../include/cectypes.h"
36 #include "platform/threads/threads.h"
37 #include "platform/util/buffer.h"
38 #include "adapter/AdapterCommunication.h"
43 class IAdapterCommunication
;
46 // a buffer that priotises the input from the TV.
47 // if we need more than this, we'll have to change it into a priority_queue
51 CCECInputBuffer(void) : m_bHasData(false) {}
52 virtual ~CCECInputBuffer(void)
54 m_condition
.Broadcast();
57 bool Push(const cec_command
&command
)
60 PLATFORM::CLockObject
lock(m_mutex
);
61 if (command
.initiator
== CECDEVICE_TV
)
62 bReturn
= m_tvInBuffer
.Push(command
);
64 bReturn
= m_inBuffer
.Push(command
);
66 m_bHasData
|= bReturn
;
73 bool Pop(cec_command
&command
, uint16_t iTimeout
= 10000)
76 PLATFORM::CLockObject
lock(m_mutex
);
77 if (m_tvInBuffer
.IsEmpty() && m_inBuffer
.IsEmpty() &&
78 !m_condition
.Wait(m_mutex
, m_bHasData
, iTimeout
))
81 if (m_tvInBuffer
.Pop(command
))
83 else if (m_inBuffer
.Pop(command
))
86 m_bHasData
= !m_tvInBuffer
.IsEmpty() || !m_inBuffer
.IsEmpty();
91 PLATFORM::CMutex m_mutex
;
92 PLATFORM::CCondition
<volatile bool> m_condition
;
93 volatile bool m_bHasData
;
94 PLATFORM::SyncedBuffer
<cec_command
> m_tvInBuffer
;
95 PLATFORM::SyncedBuffer
<cec_command
> m_inBuffer
;
98 class CCECProcessor
: public PLATFORM::CThread
, public IAdapterCommunicationCallback
101 CCECProcessor(CLibCEC
*controller
, const char *strDeviceName
, const cec_device_type_list
&types
, uint16_t iPhysicalAddress
);
102 CCECProcessor(CLibCEC
*controller
, libcec_configuration
*configuration
);
103 virtual ~CCECProcessor(void);
105 virtual bool Start(const char *strPort
, uint16_t iBaudRate
= 38400, uint32_t iTimeoutMs
= 10000);
106 virtual void *Process(void);
107 virtual void Close(void);
109 virtual bool OnCommandReceived(const cec_command
&command
);
111 virtual bool IsMonitoring(void) const { return m_bMonitor
; }
112 virtual CCECBusDevice
* GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress
, bool bRefresh
= false, bool bSuppressPoll
= false) const;
113 virtual CCECBusDevice
* GetDeviceByType(cec_device_type type
) const;
114 virtual CCECBusDevice
* GetPrimaryDevice(void) const;
115 virtual cec_version
GetDeviceCecVersion(cec_logical_address iAddress
);
116 virtual bool GetDeviceMenuLanguage(cec_logical_address iAddress
, cec_menu_language
*language
);
117 virtual CStdString
GetDeviceName(void) const
120 strName
= m_configuration
.strDeviceName
;
123 virtual cec_osd_name
GetDeviceOSDName(cec_logical_address iAddress
);
124 virtual uint64_t GetDeviceVendorId(cec_logical_address iAddress
);
125 virtual cec_power_status
GetDevicePowerStatus(cec_logical_address iAddress
);
126 virtual cec_logical_address
GetLogicalAddress(void) const { return m_configuration
.logicalAddresses
.primary
; }
127 virtual cec_logical_addresses
GetLogicalAddresses(void) const { return m_configuration
.logicalAddresses
; }
128 virtual cec_logical_addresses
GetActiveDevices(void);
129 virtual uint16_t GetDevicePhysicalAddress(cec_logical_address iAddress
);
130 virtual bool HasLogicalAddress(cec_logical_address address
) const { return m_configuration
.logicalAddresses
.IsSet(address
); }
131 virtual bool IsPresentDevice(cec_logical_address address
);
132 virtual bool IsPresentDeviceType(cec_device_type type
);
133 virtual uint16_t GetPhysicalAddress(void) const;
134 virtual uint64_t GetLastTransmission(void) const { return m_iLastTransmission
; }
135 virtual cec_logical_address
GetActiveSource(void);
136 virtual bool IsActiveSource(cec_logical_address iAddress
);
137 virtual bool IsInitialised(void);
138 virtual bool SetStreamPath(uint16_t iPhysicalAddress
);
139 virtual cec_client_version
GetClientVersion(void) const { return (cec_client_version
)m_configuration
.clientVersion
; };
140 virtual bool StandbyDevices(cec_logical_address address
= CECDEVICE_BROADCAST
);
141 virtual bool PowerOnDevices(cec_logical_address address
= CECDEVICE_BROADCAST
);
143 virtual bool SetActiveView(void);
144 virtual bool SetActiveSource(cec_device_type type
= CEC_DEVICE_TYPE_RESERVED
);
145 virtual bool SetDeckControlMode(cec_deck_control_mode mode
, bool bSendUpdate
= true);
146 virtual bool SetDeckInfo(cec_deck_info info
, bool bSendUpdate
= true);
147 virtual bool SetHDMIPort(cec_logical_address iBaseDevice
, uint8_t iPort
, bool bForce
= false);
148 virtual bool TransmitInactiveSource(void);
149 virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress
);
150 virtual bool SetMenuState(cec_menu_state state
, bool bSendUpdate
= true);
151 virtual bool SetPhysicalAddress(uint16_t iPhysicalAddress
, bool bSendUpdate
= true);
152 virtual bool SetActiveSource(uint16_t iStreamPath
);
153 virtual bool SwitchMonitoring(bool bEnable
);
154 virtual bool PollDevice(cec_logical_address iAddress
);
155 virtual uint8_t VolumeUp(bool bSendRelease
= true);
156 virtual uint8_t VolumeDown(bool bSendRelease
= true);
157 virtual uint8_t MuteAudio(bool bSendRelease
= true);
158 virtual bool TransmitKeypress(cec_logical_address iDestination
, cec_user_control_code key
, bool bWait
= true);
159 virtual bool TransmitKeyRelease(cec_logical_address iDestination
, bool bWait
= true);
160 virtual bool EnablePhysicalAddressDetection(void);
161 void SetStandardLineTimeout(uint8_t iTimeout
);
162 void SetRetryLineTimeout(uint8_t iTimeout
);
163 virtual bool GetCurrentConfiguration(libcec_configuration
*configuration
);
164 virtual bool SetConfiguration(const libcec_configuration
*configuration
);
165 virtual bool CanPersistConfiguration(void);
166 virtual bool PersistConfiguration(libcec_configuration
*configuration
);
167 virtual void RescanActiveDevices(void);
169 bool SetLineTimeout(uint8_t iTimeout
);
171 const char *ToString(const cec_device_type type
);
172 const char *ToString(const cec_menu_state state
);
173 const char *ToString(const cec_version version
);
174 const char *ToString(const cec_power_status status
);
175 const char *ToString(const cec_logical_address address
);
176 const char *ToString(const cec_deck_control_mode mode
);
177 const char *ToString(const cec_deck_info status
);
178 const char *ToString(const cec_opcode opcode
);
179 const char *ToString(const cec_system_audio_status mode
);
180 const char *ToString(const cec_audio_status status
);
181 const char *ToString(const cec_vendor_id vendor
);
182 const char *ToString(const cec_client_version version
);
183 const char *ToString(const cec_server_version version
);
185 virtual bool Transmit(const cec_command
&data
);
186 virtual void TransmitAbort(cec_logical_address address
, cec_opcode opcode
, cec_abort_reason reason
= CEC_ABORT_REASON_UNRECOGNIZED_OPCODE
);
188 virtual bool ChangeDeviceType(cec_device_type from
, cec_device_type to
);
189 virtual bool FindLogicalAddresses(void);
190 virtual bool SetAckMask(uint16_t iMask
);
192 virtual bool StartBootloader(const char *strPort
= NULL
);
193 virtual bool PingAdapter(void);
194 virtual void HandlePoll(cec_logical_address initiator
, cec_logical_address destination
);
195 virtual bool HandleReceiveFailed(cec_logical_address initiator
);
197 virtual bool GetDeviceInformation(const char *strPort
, libcec_configuration
*config
, uint32_t iTimeoutMs
= 10000);
199 CCECBusDevice
* m_busDevices
[16];
202 bool OpenConnection(const char *strPort
, uint16_t iBaudRate
, uint32_t iTimeoutMs
, bool bStartListening
= true);
203 bool Initialise(void);
204 void SetInitialised(bool bSetTo
= true);
205 void CreateBusDevices(void);
207 void ReplaceHandlers(void);
208 bool PhysicalAddressInUse(uint16_t iPhysicalAddress
);
209 bool TryLogicalAddress(cec_logical_address address
);
210 bool FindLogicalAddressRecordingDevice(void);
211 bool FindLogicalAddressTuner(void);
212 bool FindLogicalAddressPlaybackDevice(void);
213 bool FindLogicalAddressAudioSystem(void);
215 void LogOutput(const cec_command
&data
);
216 void ParseCommand(const cec_command
&command
);
218 bool m_bConnectionOpened
;
220 PLATFORM::CMutex m_mutex
;
221 IAdapterCommunication
* m_communication
;
222 CLibCEC
* m_controller
;
224 cec_keypress m_previousKey
;
225 PLATFORM::CThread
* m_busScan
;
226 uint8_t m_iStandardLineTimeout
;
227 uint8_t m_iRetryLineTimeout
;
228 uint64_t m_iLastTransmission
;
229 CCECInputBuffer m_inBuffer
;
230 libcec_configuration m_configuration
;
233 class CCECBusScan
: public PLATFORM::CThread
236 CCECBusScan(CCECProcessor
*processor
) { m_processor
= processor
; }
237 virtual ~CCECBusScan(void) { StopThread(true); }
238 virtual void *Process(void);
241 void WaitUntilIdle(void);
243 CCECProcessor
*m_processor
;