bump version numbers to 1.7.0 and updated changelog
[deb_libcec.git] / src / lib / adapter / USBCECAdapterCommunication.h
... / ...
CommitLineData
1#pragma once
2/*
3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011-2012 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 "../../../include/cectypes.h"
35#include "../platform/threads/threads.h"
36#include "../platform/util/buffer.h"
37#include "AdapterCommunication.h"
38#include "USBCECAdapterMessage.h"
39
40namespace PLATFORM
41{
42 class ISocket;
43}
44
45namespace CEC
46{
47 class CCECProcessor;
48 class CAdapterPingThread;
49 class CUSBCECAdapterCommands;
50 class CCECAdapterMessageQueue;
51
52 class CUSBCECAdapterCommunication : public IAdapterCommunication, public PLATFORM::CThread
53 {
54 friend class CUSBCECAdapterCommands;
55 friend class CCECAdapterMessageQueue;
56
57 public:
58 /*!
59 * @brief Create a new USB-CEC communication handler.
60 * @param callback The callback to use for incoming CEC commands.
61 * @param strPort The name of the com port to use.
62 * @param iBaudRate The baudrate to use on the com port connection.
63 */
64 CUSBCECAdapterCommunication(IAdapterCommunicationCallback *callback, const char *strPort, uint16_t iBaudRate = CEC_SERIAL_DEFAULT_BAUDRATE);
65 virtual ~CUSBCECAdapterCommunication(void);
66
67 /** @name IAdapterCommunication implementation */
68 ///{
69 bool Open(uint32_t iTimeoutMs = CEC_DEFAULT_CONNECT_TIMEOUT, bool bSkipChecks = false, bool bStartListening = true);
70 void Close(void);
71 bool IsOpen(void);
72 CStdString GetError(void) const;
73 cec_adapter_message_state Write(const cec_command &data, bool &bRetry, uint8_t iLineTimeout = 3);
74
75 bool StartBootloader(void);
76 bool SetAckMask(uint16_t iMask);
77 uint16_t GetAckMask(void);
78 bool PingAdapter(void);
79 uint16_t GetFirmwareVersion(void);
80 uint32_t GetFirmwareBuildDate(void);
81 bool IsRunningLatestFirmware(void);
82 bool PersistConfiguration(const libcec_configuration &configuration);
83 bool GetConfiguration(libcec_configuration &configuration);
84 CStdString GetPortName(void);
85 uint16_t GetPhysicalAddress(void);
86 bool SetControlledMode(bool controlled);
87 ///}
88
89 void *Process(void);
90
91 private:
92 /*!
93 * @brief Clear all input bytes.
94 * @param iTimeout Timeout when anything was received.
95 */
96 void ClearInputBytes(uint32_t iTimeout = CEC_CLEAR_INPUT_DEFAULT_WAIT);
97
98 /*!
99 * @brief Change the current CEC line timeout.
100 * @param iTimeout The new timeout.
101 * @return True when acked by the controller, false otherwise.
102 */
103 bool SetLineTimeout(uint8_t iTimeout);
104
105 /*!
106 * @brief Send a command to the controller and wait for an ack.
107 * @param msgCode The command to send.
108 * @param params The parameters to the command.
109 * @param bIsRetry True when this command is being retried, false otherwise.
110 * @return The message. Delete when done with it.
111 */
112 CCECAdapterMessage *SendCommand(cec_adapter_messagecode msgCode, CCECAdapterMessage &params, bool bIsRetry = false);
113
114 /*!
115 * @brief Change the "initialised" status.
116 * @param bSetTo The new value.
117 */
118 void SetInitialised(bool bSetTo = true);
119
120 /*!
121 * @return True when initialised, false otherwise.
122 */
123 bool IsInitialised(void);
124
125 /*!
126 * @brief Pings the adapter, checks the firmware version and sets controlled mode.
127 * @param iTimeoutMs The timeout after which this fails if no proper data was received.
128 * @return True when the checks passed, false otherwise.
129 */
130 bool CheckAdapter(uint32_t iTimeoutMs = CEC_DEFAULT_CONNECT_TIMEOUT);
131
132 /*!
133 * @brief Handle a poll message inside the adapter message (checks if one is present).
134 * @param msg The adapter message to parse.
135 * @return True when the message resulted in a CEC error, false otherwise.
136 */
137 bool HandlePoll(const CCECAdapterMessage &msg);
138
139 /*!
140 * @brief Read data from the device.
141 * @param iTimeout The read timeout to use.
142 * @param iSize The maximum read size.
143 * @return True when something was read, false otherwise.
144 */
145 bool ReadFromDevice(uint32_t iTimeout, size_t iSize = 256);
146
147 /*!
148 * @brief Writes a message to the serial port.
149 * @param message The message to write.
150 * @return True when written, false otherwise.
151 */
152 bool WriteToDevice(CCECAdapterMessage *message);
153
154 /*!
155 * @brief Called before sending a CEC command over the line, so we know we're expecting an ack.
156 * @param dest The destination of the CEC command.
157 */
158 void MarkAsWaiting(const cec_logical_address dest);
159
160 /*!
161 * @brief Clear and reset the message queue.
162 */
163 void ResetMessageQueue(void);
164
165 PLATFORM::ISocket * m_port; /**< the com port connection */
166 PLATFORM::CMutex m_mutex; /**< mutex for changes in this class */
167 uint8_t m_iLineTimeout; /**< the current line timeout on the CEC line */
168 cec_logical_address m_lastPollDestination; /**< the destination of the last poll message that was received */
169 bool m_bInitialised; /**< true when the connection is initialised, false otherwise */
170 bool m_bWaitingForAck[15]; /**< array in which we store from which devices we're expecting acks */
171 CAdapterPingThread * m_pingThread; /**< ping thread, that pings the adapter every 15 seconds */
172 CUSBCECAdapterCommands * m_commands; /**< commands that can be sent to the adapter */
173 CCECAdapterMessageQueue * m_adapterMessageQueue; /**< the incoming and outgoing message queue */
174 uint16_t m_iAckMask;
175 };
176
177 class CAdapterPingThread : public PLATFORM::CThread
178 {
179 public:
180 CAdapterPingThread(CUSBCECAdapterCommunication *com, uint32_t iTimeout) :
181 m_com(com),
182 m_timeout(iTimeout){}
183 virtual ~CAdapterPingThread(void) {}
184
185 virtual void* Process(void);
186 private:
187 CUSBCECAdapterCommunication *m_com;
188 PLATFORM::CTimeout m_timeout;
189 };
190};