include/cecc.h

   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
  34 #ifndef CECEXPORTS_C_H_
  35 #define CECEXPORTS_C_H_
  36
  37 #include <cectypes.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /*!
  44  * @brief Load the CEC adapter library.
  45  * @param strDeviceName How to present this device to other devices.
  46  * @param iLogicalAddress The logical of this device. PLAYBACKDEVICE1 by default.
  47  * @param iPhysicalAddress The physical address of this device. 0x1000 by default.
  48  * @return True when initialised, false otherwise.
  49  */
  50 #ifdef __cplusplus
  51 extern DECLSPEC int cec_init(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress = CEC::CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
  52 #else
  53 extern DECLSPEC int cec_init(const char *strDeviceName, cec_logical_address iLogicalAddress = CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
  54 #endif
  55
  56 /*!
  57  * @brief Unload the CEC adapter library.
  58  */
  59 extern DECLSPEC void cec_destroy(void);
  60
  61 /*!
  62  * @brief Open a connection to the CEC adapter.
  63  * @param strPort The path to the port.
  64  * @param iTimeout Connection timeout in ms.
  65  * @return True when connected, false otherwise.
  66  */
  67 extern DECLSPEC int cec_open(const char *strPort, uint32_t iTimeout);
  68
  69 /*!
  70  * @brief Close the connection to the CEC adapter.
  71  */
  72 extern DECLSPEC void cec_close(void);
  73
  74 /*!
  75  * @brief Try to find all connected CEC adapters. Only implemented on Linux at the moment.
  76  * @param deviceList The vector to store device descriptors in.
  77  * @param strDevicePath Optional device path. Only adds device descriptors that match the given device path.
  78  * @return The number of devices that were found, or -1 when an error occured.
  79  */
  80 #ifdef __cplusplus
  81 extern DECLSPEC int8_t cec_find_adapters(CEC::cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath = NULL);
  82 #else
  83 extern DECLSPEC int8_t cec_find_adapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath = NULL);
  84 #endif
  85
  86 /*!
  87  * @brief Ping the CEC adapter.
  88  * @return True when the ping was succesful, false otherwise.
  89  */
  90 extern DECLSPEC int cec_ping_adapters(void);
  91
  92 /*!
  93  * @brief Start the bootloader of the CEC adapter.
  94  * @return True when the command was sent succesfully, false otherwise.
  95  */
  96 extern DECLSPEC int cec_start_bootloader(void);
  97
  98 /*!
  99  * @return Get the minimal version of libcec that this version of libcec can interface with.
 100  */
 101 extern DECLSPEC int8_t cec_get_min_version(void);
 102
 103 /*!
 104  * @return Get the version of libcec.
 105  */
 106 extern DECLSPEC int8_t cec_get_lib_version(void);
 107
 108 /*!
 109  * @brief Power on the connected CEC capable devices.
 110  * @param address The logical address to power on.
 111  * @return True when the command was sent succesfully, false otherwise.
 112  */
 113 #ifdef __cplusplus
 114 extern DECLSPEC int cec_power_on_devices(CEC::cec_logical_address address = CEC::CECDEVICE_TV);
 115 #else
 116 extern DECLSPEC int cec_power_on_devices(cec_logical_address address = CECDEVICE_TV);
 117 #endif
 118
 119 /*!
 120  * @brief Put connected CEC capable devices in standby mode.
 121  * @brief address The logical address of the device to put in standby.
 122  * @return True when the command was sent succesfully, false otherwise.
 123  */
 124 #ifdef __cplusplus
 125 extern DECLSPEC int cec_standby_devices(CEC::cec_logical_address address = CEC::CECDEVICE_BROADCAST);
 126 #else
 127 extern DECLSPEC int cec_standby_devices(cec_logical_address address = CECDEVICE_BROADCAST);
 128 #endif
 129
 130 /*!
 131  * @brief Broadcast a message that notifies connected CEC capable devices that this device is the active source.
 132  * @return True when the command was sent succesfully, false otherwise.
 133  */
 134 extern DECLSPEC int cec_set_active_view(void);
 135
 136 /*!
 137  * @brief Broadcast a message that notifies connected CEC capable devices that this device is no longer the active source.
 138  * @return True when the command was sent succesfully, false otherwise.
 139  */
 140 extern DECLSPEC int cec_set_inactive_view(void);
 141
 142 /*!
 143  * @brief Get the next log message in the queue, if there is one.
 144  * @param message The next message.
 145  * @return True if a message was passed, false otherwise.
 146  */
 147 #ifdef __cplusplus
 148 extern DECLSPEC int cec_get_next_log_message(CEC::cec_log_message *message);
 149 #else
 150 extern DECLSPEC int cec_get_next_log_message(cec_log_message *message);
 151 #endif
 152
 153 /*!
 154  * @brief Get the next keypress in the queue, if there is one.
 155  * @param key The next keypress.
 156  * @return True if a key was passed, false otherwise.
 157  */
 158 #ifdef __cplusplus
 159 extern DECLSPEC int cec_get_next_keypress(CEC::cec_keypress *key);
 160 #else
 161 extern DECLSPEC int cec_get_next_keypress(cec_keypress *key);
 162 #endif
 163
 164 /*!
 165  * @brief Get the next CEC command that was received by the adapter.
 166  * @param action The next command.
 167  * @return True when a command was passed, false otherwise.
 168  */
 169 #ifdef __cplusplus
 170 extern DECLSPEC int cec_get_next_command(CEC::cec_command *command);
 171 #else
 172 extern DECLSPEC int cec_get_next_command(cec_command *command);
 173 #endif
 174
 175 /*!
 176  * @brief Transmit a frame on the CEC line.
 177  * @param data The frame to send.
 178  * @param bWaitForAck Wait for an ACK message for 1 second after this frame has been sent.
 179  * @return True when the data was sent and acked, false otherwise.
 180  */
 181 #ifdef __cplusplus
 182 extern DECLSPEC int cec_transmit(const CEC::cec_command &data, int bWaitForAck = 1);
 183 #else
 184 extern DECLSPEC int cec_transmit(const cec_command &data, int bWaitForAck = 1);
 185 #endif
 186
 187 /*!
 188  * @brief Change the logical address of the CEC adapter.
 189  * @param iLogicalAddress The CEC adapter's new logical address.
 190  * @return True when the logical address was set successfully, false otherwise.
 191  */
 192 #ifdef __cplusplus
 193 extern DECLSPEC int cec_set_logical_address(CEC::cec_logical_address iLogicalAddress = CEC::CECDEVICE_PLAYBACKDEVICE1);
 194 #else
 195 extern DECLSPEC int cec_set_logical_address(cec_logical_address myAddress, cec_logical_address targetAddress);
 196 #endif
 197
 198 /*!
 199  * @brief Change the physical address (HDMI port) of the CEC adapter.
 200  * @param iPhysicalAddress The CEC adapter's new physical address.
 201  * @brief True when the physical address was set successfully, false otherwise.
 202  */
 203 extern DECLSPEC int cec_set_physical_address(uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
 204
 205 /*!
 206  * @brief Display a message on the TV.
 207  * @brief The message to display.
 208  * @return True when the command was sent, false otherwise.
 209  */
 210 #ifdef __cplusplus
 211 extern DECLSPEC int cec_set_osd_string(CEC::cec_logical_address iLogicalAddress, CEC::cec_display_control duration, const char *strMessage);
 212 #else
 213 extern DECLSPEC int cec_set_osd_string(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage);
 214 #endif
 215
 216 #ifdef __cplusplus
 217 };
 218 #endif
 219
 220 #endif /* CECEXPORTS_C_H_ */