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a8f0bd18 LOK |
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> |
50aa01e6 | 35 | #include "util/buffer.h" |
25701fa6 | 36 | #include <string> |
6f14b512 | 37 | #include "util/StdString.h" |
a8f0bd18 LOK |
38 | |
39 | namespace CEC | |
40 | { | |
0e31a62c LOK |
41 | typedef enum cec_adapter_message_state |
42 | { | |
43 | ADAPTER_MESSAGE_STATE_UNKNOWN = 0, | |
44 | ADAPTER_MESSAGE_STATE_WAITING, | |
45 | ADAPTER_MESSAGE_STATE_SENT, | |
46 | ADAPTER_MESSAGE_STATE_RECEIVED, | |
47 | ADAPTER_MESSAGE_STATE_ERROR | |
48 | } cec_adapter_message_state; | |
49 | ||
50 | ||
28352a04 | 51 | class CCECAdapterMessage |
220537f2 LOK |
52 | { |
53 | public: | |
0e31a62c | 54 | CCECAdapterMessage(void) { clear(); } |
ad24cbaf | 55 | CCECAdapterMessage(const cec_command &command); |
88c43521 | 56 | CCECAdapterMessage &operator =(const CCECAdapterMessage &msg); |
e41b06f9 | 57 | CStdString ToString(void) const; |
b8c91906 | 58 | CStdString MessageCodeAsString(void) const; |
220537f2 | 59 | |
ab1469a0 | 60 | bool empty(void) const { return packet.IsEmpty(); } |
220537f2 LOK |
61 | uint8_t operator[](uint8_t pos) const { return packet[pos]; } |
62 | uint8_t at(uint8_t pos) const { return packet[pos]; } | |
63 | uint8_t size(void) const { return packet.size; } | |
ae693aaa | 64 | void clear(void) { state = ADAPTER_MESSAGE_STATE_UNKNOWN; transmit_timeout = 0; packet.Clear(); maxTries = CEC_DEFAULT_TRANSMIT_RETRIES + 1; tries = 0; reply = MSGCODE_NOTHING; } |
ab1469a0 LOK |
65 | void shift(uint8_t iShiftBy) { packet.Shift(iShiftBy); } |
66 | void push_back(uint8_t add) { packet.PushBack(add); } | |
67 | cec_adapter_messagecode message(void) const { return packet.size >= 1 ? (cec_adapter_messagecode) (packet.At(0) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK)) : MSGCODE_NOTHING; } | |
68 | bool eom(void) const { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_EOM) != 0 : false; } | |
69 | bool ack(void) const { return packet.size >= 1 ? (packet.At(0) & MSGCODE_FRAME_ACK) != 0 : false; } | |
70 | cec_logical_address initiator(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) >> 4) : CECDEVICE_UNKNOWN; }; | |
71 | cec_logical_address destination(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.At(1) & 0xF) : CECDEVICE_UNKNOWN; }; | |
e41b06f9 | 72 | bool is_error(void) const; |
c7903c02 | 73 | void push_escaped(uint8_t byte); |
82d1a9a1 LOK |
74 | bool needs_retry(void) const { return reply == MSGCODE_NOTHING || |
75 | reply == MSGCODE_RECEIVE_FAILED || | |
76 | reply == MSGCODE_TIMEOUT_ERROR || | |
82d1a9a1 LOK |
77 | reply == MSGCODE_TRANSMIT_FAILED_LINE || |
78 | reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA || | |
79 | reply == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE || | |
80 | reply == MSGCODE_TRANSMIT_LINE_TIMEOUT; } | |
220537f2 | 81 | |
82d1a9a1 LOK |
82 | uint8_t maxTries; |
83 | uint8_t tries; | |
84 | cec_adapter_messagecode reply; | |
0e31a62c LOK |
85 | cec_datapacket packet; |
86 | cec_adapter_message_state state; | |
06bfd4d7 | 87 | int32_t transmit_timeout; |
0e31a62c LOK |
88 | CMutex mutex; |
89 | CCondition condition; | |
220537f2 LOK |
90 | }; |
91 | ||
b9187cc6 | 92 | class CSerialPort; |
1113cb7d | 93 | class CCECProcessor; |
a8f0bd18 | 94 | |
13fd6a66 | 95 | class CAdapterCommunication : private CThread |
a8f0bd18 LOK |
96 | { |
97 | public: | |
1113cb7d | 98 | CAdapterCommunication(CCECProcessor *processor); |
828682d3 | 99 | virtual ~CAdapterCommunication(); |
a8f0bd18 | 100 | |
25701fa6 | 101 | bool Open(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000); |
220537f2 | 102 | bool Read(CCECAdapterMessage &msg, uint32_t iTimeout = 1000); |
28352a04 | 103 | bool Write(CCECAdapterMessage *data); |
2abe74eb | 104 | bool PingAdapter(void); |
a8f0bd18 | 105 | void Close(void); |
13fd6a66 | 106 | bool IsOpen(void) const; |
a8f0bd18 LOK |
107 | std::string GetError(void) const; |
108 | ||
828682d3 | 109 | void *Process(void); |
2abe74eb | 110 | |
a171d2fd | 111 | bool SetLineTimeout(uint8_t iTimeout); |
2abe74eb | 112 | bool StartBootloader(void); |
9dee1670 | 113 | |
a8f0bd18 | 114 | private: |
a96eb42e | 115 | void SendMessageToAdapter(CCECAdapterMessage *msg); |
3c53ac93 | 116 | void WriteNextCommand(void); |
8bca69de | 117 | void AddData(uint8_t *data, uint8_t iLen); |
25701fa6 | 118 | bool ReadFromDevice(uint32_t iTimeout); |
a8f0bd18 | 119 | |
5a1e87c8 | 120 | CSerialPort * m_port; |
1113cb7d | 121 | CCECProcessor * m_processor; |
5a1e87c8 | 122 | CecBuffer<uint8_t> m_inBuffer; |
28352a04 | 123 | CecBuffer<CCECAdapterMessage *> m_outBuffer; |
f077e8ed | 124 | CMutex m_mutex; |
5a1e87c8 | 125 | CCondition m_rcvCondition; |
b9eea66d | 126 | CCondition m_startCondition; |
a171d2fd | 127 | uint8_t m_iLineTimeout; |
a8f0bd18 LOK |
128 | }; |
129 | }; |