cec: set the proper ackmask before doing anything else. set the LG vendor ID after...
[deb_libcec.git] / src / lib / 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>
b9187cc6 35#include "platform/threads.h"
50aa01e6 36#include "util/buffer.h"
e41b06f9 37#include "util/StdString.h"
25701fa6 38#include <string>
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39
40namespace CEC
41{
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42 typedef enum cec_adapter_message_state
43 {
44 ADAPTER_MESSAGE_STATE_UNKNOWN = 0,
45 ADAPTER_MESSAGE_STATE_WAITING,
46 ADAPTER_MESSAGE_STATE_SENT,
47 ADAPTER_MESSAGE_STATE_RECEIVED,
48 ADAPTER_MESSAGE_STATE_ERROR
49 } cec_adapter_message_state;
50
51
28352a04 52 class CCECAdapterMessage
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53 {
54 public:
0e31a62c 55 CCECAdapterMessage(void) { clear(); }
ad24cbaf 56 CCECAdapterMessage(const cec_command &command);
88c43521 57 CCECAdapterMessage &operator =(const CCECAdapterMessage &msg);
e41b06f9 58 CStdString ToString(void) const;
b8c91906 59 CStdString MessageCodeAsString(void) const;
220537f2 60
ab1469a0 61 bool empty(void) const { return packet.IsEmpty(); }
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62 uint8_t operator[](uint8_t pos) const { return packet[pos]; }
63 uint8_t at(uint8_t pos) const { return packet[pos]; }
64 uint8_t size(void) const { return packet.size; }
ae693aaa 65 void clear(void) { state = ADAPTER_MESSAGE_STATE_UNKNOWN; transmit_timeout = 0; packet.Clear(); maxTries = CEC_DEFAULT_TRANSMIT_RETRIES + 1; tries = 0; reply = MSGCODE_NOTHING; }
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66 void shift(uint8_t iShiftBy) { packet.Shift(iShiftBy); }
67 void push_back(uint8_t add) { packet.PushBack(add); }
68 cec_adapter_messagecode message(void) const { return packet.size >= 1 ? (cec_adapter_messagecode) (packet.At(0) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK)) : MSGCODE_NOTHING; }
69 bool eom(void) const { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_EOM) != 0 : false; }
70 bool ack(void) const { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_ACK) != 0 : false; }
71 cec_logical_address initiator(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) >> 4) : CECDEVICE_UNKNOWN; };
72 cec_logical_address destination(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) & 0xF) : CECDEVICE_UNKNOWN; };
e41b06f9 73 bool is_error(void) const;
c7903c02 74 void push_escaped(uint8_t byte);
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75 bool needs_retry(void) const { return reply == MSGCODE_NOTHING ||
76 reply == MSGCODE_RECEIVE_FAILED ||
77 reply == MSGCODE_TIMEOUT_ERROR ||
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78 reply == MSGCODE_TRANSMIT_FAILED_LINE ||
79 reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
80 reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE ||
81 reply == MSGCODE_TRANSMIT_LINE_TIMEOUT; }
220537f2 82
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83 uint8_t maxTries;
84 uint8_t tries;
85 cec_adapter_messagecode reply;
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86 cec_datapacket packet;
87 cec_adapter_message_state state;
06bfd4d7 88 int32_t transmit_timeout;
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89 CMutex mutex;
90 CCondition condition;
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91 };
92
b9187cc6 93 class CSerialPort;
1113cb7d 94 class CCECProcessor;
a8f0bd18 95
13fd6a66 96 class CAdapterCommunication : private CThread
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97 {
98 public:
1113cb7d 99 CAdapterCommunication(CCECProcessor *processor);
828682d3 100 virtual ~CAdapterCommunication();
a8f0bd18 101
25701fa6 102 bool Open(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000);
220537f2 103 bool Read(CCECAdapterMessage &msg, uint32_t iTimeout = 1000);
28352a04 104 bool Write(CCECAdapterMessage *data);
2abe74eb 105 bool PingAdapter(void);
a8f0bd18 106 void Close(void);
13fd6a66 107 bool IsOpen(void) const;
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108 std::string GetError(void) const;
109
828682d3 110 void *Process(void);
2abe74eb 111
a171d2fd 112 bool SetLineTimeout(uint8_t iTimeout);
2abe74eb 113 bool StartBootloader(void);
9dee1670 114
a8f0bd18 115 private:
a96eb42e 116 void SendMessageToAdapter(CCECAdapterMessage *msg);
3c53ac93 117 void WriteNextCommand(void);
8bca69de 118 void AddData(uint8_t *data, uint8_t iLen);
25701fa6 119 bool ReadFromDevice(uint32_t iTimeout);
a8f0bd18 120
5a1e87c8 121 CSerialPort * m_port;
1113cb7d 122 CCECProcessor * m_processor;
5a1e87c8 123 CecBuffer<uint8_t> m_inBuffer;
28352a04 124 CecBuffer<CCECAdapterMessage *> m_outBuffer;
f077e8ed 125 CMutex m_mutex;
5a1e87c8 126 CCondition m_rcvCondition;
b9eea66d 127 CCondition m_startCondition;
a171d2fd 128 uint8_t m_iLineTimeout;
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129 };
130};