cec: don't request updates statusses unless needed
[deb_libcec.git] / include / cec.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
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34#ifndef CECEXPORTS_H_
35#define CECEXPORTS_H_
36
761dcc45 37#include <cectypes.h>
acec5f48 38
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39namespace CEC
40{
2abe74eb 41 class ICECAdapter
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42 {
43 public:
6eb6d0fd 44 virtual ~ICECAdapter() {};
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45 /*! @name Adapter methods */
46 //@{
d9106f08 47
abbca718 48 /*!
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49 * @brief Open a connection to the CEC adapter.
50 * @param strPort The path to the port.
51 * @param iTimeout Connection timeout in ms.
52 * @return True when connected, false otherwise.
abbca718 53 */
25701fa6 54 virtual bool Open(const char *strPort, uint32_t iTimeoutMs = 10000) = 0;
abbca718 55
f99bc831 56 /*!
d9106f08 57 * @brief Close the connection to the CEC adapter.
f99bc831 58 */
5f39c4d8 59 virtual void Close(void) = 0;
f99bc831 60
abbca718 61 /*!
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62 * @brief Try to find all connected CEC adapters. Only implemented on Linux at the moment.
63 * @param deviceList The vector to store device descriptors in.
64 * @param iBufSize The size of the deviceList buffer.
65 * @param strDevicePath Optional device path. Only adds device descriptors that match the given device path.
66 * @return The number of devices that were found, or -1 when an error occured.
abbca718 67 */
25701fa6 68 virtual int8_t FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath = NULL) = 0;
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69
70 /*!
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71 * @brief Ping the CEC adapter.
72 * @return True when the ping was succesful, false otherwise.
abbca718 73 */
2abe74eb 74 virtual bool PingAdapter(void) = 0;
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75
76 /*!
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77 * @brief Start the bootloader of the CEC adapter.
78 * @return True when the command was sent succesfully, false otherwise.
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79 */
80 virtual bool StartBootloader(void) = 0;
2abe74eb 81 //@}
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82
83 /*!
d9106f08 84 * @return Get the minimal version of libcec that this version of libcec can interface with.
abbca718 85 */
99e89a5b 86 virtual int8_t GetMinLibVersion(void) const = 0;
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87
88 /*!
d9106f08 89 * @return Get the major version of libcec.
abbca718 90 */
99e89a5b 91 virtual int8_t GetLibVersionMajor(void) const = 0;
abbca718 92
eafd9bed 93 /*!
d9106f08 94 * @return Get the minor version of libcec.
eafd9bed 95 */
99e89a5b 96 virtual int8_t GetLibVersionMinor(void) const = 0;
eafd9bed 97
abbca718 98 /*!
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99 * @brief Get the next log message in the queue, if there is one.
100 * @param message The next message.
101 * @return True if a message was passed, false otherwise.
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102 */
103 virtual bool GetNextLogMessage(cec_log_message *message) = 0;
104
105 /*!
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106 * @brief Get the next keypress in the queue, if there is one.
107 * @param key The next keypress.
108 * @return True if a key was passed, false otherwise.
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109 */
110 virtual bool GetNextKeypress(cec_keypress *key) = 0;
111
825ddb96 112 /*!
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113 * @brief Get the next CEC command that was received by the adapter.
114 * @param action The next command.
115 * @return True when a command was passed, false otherwise.
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116 */
117 virtual bool GetNextCommand(cec_command *command) = 0;
118
abbca718 119 /*!
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120 * @brief Transmit a command over the CEC line.
121 * @param data The command to send.
122 * @return True when the data was sent and acked, false otherwise.
abbca718 123 */
8d84e2c0 124 virtual bool Transmit(const cec_command &data) = 0;
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125
126 /*!
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127 * @brief Change the logical address of the CEC adapter.
128 * @param iLogicalAddress The CEC adapter's new logical address.
129 * @return True when the logical address was set successfully, false otherwise.
abbca718 130 */
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131 virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress = CECDEVICE_PLAYBACKDEVICE1) = 0;
132
133 /*!
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134 * @brief Change the physical address (HDMI port) of the CEC adapter.
135 * @param iPhysicalAddress The CEC adapter's new physical address.
136 * @brief True when the physical address was set successfully, false otherwise.
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137 */
138 virtual bool SetPhysicalAddress(uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS) = 0;
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139
140 /*!
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141 * @brief Power on the connected CEC capable devices.
142 * @param address The logical address to power on.
143 * @return True when the command was sent succesfully, false otherwise.
6dfe9213 144 */
2abe74eb 145 virtual bool PowerOnDevices(cec_logical_address address = CECDEVICE_TV) = 0;
abbca718 146
df7339c6 147 /*!
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148 * @brief Put connected CEC capable devices in standby mode.
149 * @brief address The logical address of the device to put in standby.
150 * @return True when the command was sent succesfully, false otherwise.
df7339c6 151 */
2abe74eb 152 virtual bool StandbyDevices(cec_logical_address address = CECDEVICE_BROADCAST) = 0;
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153
154 /*!
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155 * @brief Change the active source.
156 * @param type The new active source. Leave empty to use the primary type
d9106f08 157 * @return True when the command was sent succesfully, false otherwise.
df7339c6 158 */
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159 virtual bool SetActiveSource(cec_device_type type = CEC_DEVICE_TYPE_RESERVED) = 0;
160
161 /*!
162 * @deprecated Use SetActiveSource() instead
163 */
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164 virtual bool SetActiveView(void) = 0;
165
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166 /*!
167 * @brief Change the deck control mode, if this adapter is registered as playback device.
168 * @param mode The new control mode.
28fa6c97 169 * @param bSendUpdate True to send the status over the CEC line.
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170 * @return True if set, false otherwise.
171 */
28fa6c97 172 virtual bool SetDeckControlMode(cec_deck_control_mode mode, bool bSendUpdate = true) = 0;
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173
174 /*!
175 * @brief Change the deck info, if this adapter is a playback device.
176 * @param info The new deck info.
177 * @return True if set, false otherwise.
178 */
28fa6c97 179 virtual bool SetDeckInfo(cec_deck_info info, bool bSendUpdate = true) = 0;
a9232a79 180
2abe74eb 181 /*!
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182 * @brief Broadcast a message that notifies connected CEC capable devices that this device is no longer the active source.
183 * @return True when the command was sent succesfully, false otherwise.
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184 */
185 virtual bool SetInactiveView(void) = 0;
1969b140 186
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187 /*!
188 * @brief Change the menu state.
189 * @param state The new true.
190 * @param bSendUpdate True to send the status over the CEC line.
191 * @return True if set, false otherwise.
192 */
193 virtual bool SetMenuState(cec_menu_state state, bool bSendUpdate = true) = 0;
194
1969b140 195 /*!
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196 * @brief Display a message on the device with the given logical address.
197 * @param iLogicalAddres The device to display the message on.
198 * @param duration The duration of the message
199 * @param strMessage The message to display.
200 * @return True when the command was sent, false otherwise.
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201 */
202 virtual bool SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage) = 0;
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203
204 /*!
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205 * @brief Enable or disable monitoring mode.
206 * @param bEnable True to enable, false to disable.
207 * @return True when switched successfully, false otherwise.
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208 */
209 virtual bool SwitchMonitoring(bool bEnable) = 0;
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210
211 /*!
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212 * @brief Get the CEC version of the device with the given logical address
213 * @param iLogicalAddress The device to get the CEC version for.
214 * @return The version or CEC_VERSION_UNKNOWN when the version couldn't be fetched.
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215 */
216 virtual cec_version GetDeviceCecVersion(cec_logical_address iAddress) = 0;
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217
218 /*!
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219 * @brief Get the menu language of the device with the given logical address
220 * @param iLogicalAddress The device to get the menu language for.
221 * @param language The requested menu language.
222 * @return True when fetched succesfully, false otherwise.
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223 */
224 virtual bool GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language) = 0;
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225
226 /*!
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227 * @brief Get the vendor ID of the device with the given logical address.
228 * @param iLogicalAddress The device to get the vendor id for.
229 * @return The vendor ID or 0 if it wasn't found.
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230 */
231 virtual uint64_t GetDeviceVendorId(cec_logical_address iAddress) = 0;
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232
233 /*!
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234 * @brief Get the power status of the device with the given logical address.
235 * @param iLogicalAddress The device to get the power status for.
236 * @return The power status or CEC_POWER_STATUS_UNKNOWN if it wasn't found.
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237 */
238 virtual cec_power_status GetDevicePowerStatus(cec_logical_address iAddress) = 0;
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239
240 /*!
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241 * @brief Sends a POLL message to a device.
242 * @param iAddress The device to send the message to.
243 * @return True if the POLL was acked, false otherwise.
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244 */
245 virtual bool PollDevice(cec_logical_address iAddress) = 0;
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246 };
247};
248
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249/*!
250 * @brief Load the CEC adapter library.
251 * @param strDeviceName How to present this device to other devices.
252 * @param deviceTypes The device types to use on the CEC bus.
253 * @return An instance of ICECAdapter or NULL on error.
254 */
f8513317 255extern "C" DECLSPEC void * CECInit(const char *strDeviceName, CEC::cec_device_type_list devicesTypes);
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256
257/*!
53024cc1 258 * @deprecated Please use CECInit() instead
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259 * @brief Load the CEC adapter library.
260 * @param strDeviceName How to present this device to other devices.
261 * @param iLogicalAddress The logical of this device. PLAYBACKDEVICE1 by default.
262 * @param iPhysicalAddress The physical address of this device. 0x1000 by default.
263 * @return An instance of ICECAdapter or NULL on error.
264 */
acec5f48 265extern "C" DECLSPEC void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress = CEC::CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
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266
267/*!
268 * @brief Unload the CEC adapter library.
269 */
acec5f48 270extern "C" DECLSPEC void CECDestroy(CEC::ICECAdapter *instance);
abbca718 271
acec5f48 272#endif /* CECEXPORTS_H_ */