cec: don't request the firmware version when the adapter didn't respond to a ping
[deb_libcec.git] / src / lib / adapter / AdapterCommunication.h
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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
761dcc45 34#include <cectypes.h>
b5f787b9 35#include "../platform/os.h"
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36
37namespace PLATFORM
38{
39 class CSerialPort;
40}
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41
42namespace CEC
43{
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44 class CCECProcessor;
45 class CCECAdapterMessage;
46
47 class CAdapterCommunication : private PLATFORM::CThread
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48 {
49 public:
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50 CAdapterCommunication(CCECProcessor *processor);
51 virtual ~CAdapterCommunication();
52
53 bool Open(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000);
54 bool Read(CCECAdapterMessage &msg, uint32_t iTimeout = 1000);
55 bool Write(CCECAdapterMessage *data);
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56 void Close(void);
57 bool IsOpen(void);
58 std::string GetError(void) const;
59
60 void *Process(void);
61
62 bool SetLineTimeout(uint8_t iTimeout);
63 bool StartBootloader(void);
5dcf9f25 64 bool SetAckMask(uint16_t iMask);
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65 bool PingAdapter(void);
66 uint16_t GetFirmwareVersion(void);
ef7696f5 67
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68 bool WaitForTransmitSucceeded(CCECAdapterMessage *message);
69
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70 private:
71 void SendMessageToAdapter(CCECAdapterMessage *msg);
72 void WriteNextCommand(void);
73 void AddData(uint8_t *data, uint8_t iLen);
74 bool ReadFromDevice(uint32_t iTimeout);
75
76 PLATFORM::CSerialPort * m_port;
77 CCECProcessor * m_processor;
78 PLATFORM::SyncedBuffer<uint8_t> m_inBuffer;
79 PLATFORM::SyncedBuffer<CCECAdapterMessage *> m_outBuffer;
80 PLATFORM::CMutex m_mutex;
81 PLATFORM::CCondition m_rcvCondition;
82 uint8_t m_iLineTimeout;
1fc16cfd 83 uint16_t m_iFirmwareVersion;
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84 };
85};