1 /* 2 * Copyright (C) 2016 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * avrcp_target.h 40 * 41 * Audio/Video Remote Control Profile 42 * 43 */ 44 45 #ifndef AVRCP_TARGET_H 46 #define AVRCP_TARGET_H 47 48 #include <stdint.h> 49 #include "classic/avrcp.h" 50 51 #if defined __cplusplus 52 extern "C" { 53 #endif 54 55 /* API_START */ 56 57 typedef enum { 58 AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER = 0, 59 AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_MONITOR_OR_AMPLIFIER, 60 AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_TUNER, 61 AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_MENU, 62 AVRCP_TARGET_SUPPORTED_FEATURE_PLAYER_APPLICATION_SETTINGS, // AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER must be 1 for this feature to be set 63 AVRCP_TARGET_SUPPORTED_FEATURE_RESERVED_GROUP_NAVIGATION, // AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER must be 1 for this feature to be set 64 AVRCP_TARGET_SUPPORTED_FEATURE_BROWSING, 65 AVRCP_TARGET_SUPPORTED_FEATURE_MULTIPLE_MEDIA_PLAYE_APPLICATIONS 66 } avrcp_target_supported_feature_t; 67 68 /** 69 * @brief AVRCP Target service record. 70 * @param service 71 * @param service_record_handle 72 * @param supported_features 16-bit bitmap, see AVRCP_FEATURE_MASK_* in avrcp.h 73 * @param service_name 74 * @param service_provider_name 75 */ 76 void avrcp_target_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name); 77 78 /** 79 * @brief Set up AVRCP Target service. 80 */ 81 void avrcp_target_init(void); 82 83 /** 84 * @brief Register callback for the AVRCP Target client. 85 * @param callback 86 */ 87 void avrcp_target_register_packet_handler(btstack_packet_handler_t callback); 88 89 /** 90 * @brief Select Player that is controlled by Controller 91 * @param callback 92 * @note Callback should return if selected player is valid 93 */ 94 void avrcp_target_register_set_addressed_player_handler(bool (*callback)(uint16_t player_id)); 95 96 /** 97 * @brief Send a list of Company IDs supported by target. 98 * @note The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_COMPANY_IDS_QUERY event. Use this function to respond. 99 * @param avrcp_cid 100 * @param num_company_ids 101 * @param company_ids 102 * @param company_ids_size 103 * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS 104 */ 105 uint8_t avrcp_target_supported_companies(uint16_t avrcp_cid, uint8_t num_company_ids, const uint8_t *company_ids, uint8_t company_ids_size); 106 107 /** 108 * @brief Send a list of Events supported by target. 109 * @note The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_EVENT_IDS_QUERY event. Use this function to respond. 110 * @param avrcp_cid 111 * @param num_event_ids 112 * @param event_ids 113 * @param event_ids_size 114 * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS 115 */ 116 uint8_t avrcp_target_supported_events(uint16_t avrcp_cid, uint8_t num_event_ids, const uint8_t *event_ids, uint8_t event_ids_size); 117 118 /** 119 * @brief Send a play status. 120 * @note The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_PLAY_STATUS_QUERY event. Use this function to respond. 121 * @param avrcp_cid 122 * @param song_length_ms 123 * @param song_position_ms 124 * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS 125 */ 126 uint8_t avrcp_target_play_status(uint16_t avrcp_cid, uint32_t song_length_ms, uint32_t song_position_ms, avrcp_playback_status_t status); 127 128 /** 129 * @param Set Now Playing Info that is send to Controller if notifications are enabled 130 * @param avrcp_cid 131 * @param current_track 132 * @param total_tracks 133 */ 134 void avrcp_target_set_now_playing_info(uint16_t avrcp_cid, const avrcp_track_t * current_track, uint16_t total_tracks); 135 136 /** 137 * @param Set Playing status and send to Controller 138 * @param avrcp_cid 139 * @param playback_status 140 * @return 141 */ 142 uint8_t avrcp_target_set_playback_status(uint16_t avrcp_cid, avrcp_playback_status_t playback_status); 143 144 /** 145 * @param Set Unit Info 146 * @param avrcp_cid 147 * @param unit_type 148 * @param company_id 149 */ 150 void avrcp_target_set_unit_info(uint16_t avrcp_cid, avrcp_subunit_type_t unit_type, uint32_t company_id); 151 152 /** 153 * @param Set Subunit Info 154 * @param avrcp_cid 155 * @param subunit_type 156 * @param subunit_info_data 157 * @param subunit_info_data_size 158 */ 159 void avrcp_target_set_subunit_info(uint16_t avrcp_cid, avrcp_subunit_type_t subunit_type, const uint8_t * subunit_info_data, uint16_t subunit_info_data_size); 160 161 /** 162 * @param Send Playing Content Changed Notification if enabled 163 * @param avrcp_cid 164 * @return 165 */ 166 uint8_t avrcp_target_playing_content_changed(uint16_t avrcp_cid); 167 168 /** 169 * @param Send Addressed Player Changed Notification if enabled 170 * @param avrcp_cid 171 * @param player_id 172 * @param uid_counter 173 * @return 174 */ 175 uint8_t avrcp_target_addressed_player_changed(uint16_t avrcp_cid, uint16_t player_id, uint16_t uid_counter); 176 177 /** 178 * @param Set Battery Status Changed and send notification if enabled 179 * @param avrcp_cid 180 * @param battery_status 181 * @return 182 */ 183 uint8_t avrcp_target_battery_status_changed(uint16_t avrcp_cid, avrcp_battery_status_t battery_status); 184 185 /** 186 * @param Set Volume and send notification if enabled 187 * @param avrcp_cid 188 * @param volume_percentage 189 * @return 190 */ 191 uint8_t avrcp_target_volume_changed(uint16_t avrcp_cid, uint8_t volume_percentage); 192 193 /** 194 * @param Set Track and send notification if enabled 195 * @param avrcp_cid 196 * @param trackID 197 * @return 198 */ 199 uint8_t avrcp_target_track_changed(uint16_t avrcp_cid, uint8_t * trackID); 200 201 /** 202 * @param Send Operation Rejected message 203 * @param avrcp_cid 204 * @param opid 205 * @param operands_length 206 * @param operand 207 * @return 208 */ 209 uint8_t avrcp_target_operation_rejected(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand); 210 211 /** 212 * @param Send Operation Accepted message 213 * @param avrcp_cid 214 * @param opid 215 * @param operands_length 216 * @param operand 217 * @return 218 */ 219 uint8_t avrcp_target_operation_accepted(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand); 220 221 /** 222 * @param Send Operation Not Implemented message 223 * @param avrcp_cid 224 * @param opid 225 * @param operands_length 226 * @param operand 227 * @return 228 */ 229 uint8_t avrcp_target_operation_not_implemented(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand); 230 231 /** 232 * @brief De-Init AVRCP Browsing Target 233 */ 234 void avrcp_target_deinit(void); 235 236 /* API_END */ 237 238 // Used by AVRCP target and AVRCP browsing target 239 extern avrcp_context_t avrcp_target_context; 240 241 #if defined __cplusplus 242 } 243 #endif 244 245 #endif // AVRCP_TARGET_H 246