16983e65eSMilanka Ringwald /* 26983e65eSMilanka Ringwald * Copyright (C) 2016 BlueKitchen GmbH 36983e65eSMilanka Ringwald * 46983e65eSMilanka Ringwald * Redistribution and use in source and binary forms, with or without 56983e65eSMilanka Ringwald * modification, are permitted provided that the following conditions 66983e65eSMilanka Ringwald * are met: 76983e65eSMilanka Ringwald * 86983e65eSMilanka Ringwald * 1. Redistributions of source code must retain the above copyright 96983e65eSMilanka Ringwald * notice, this list of conditions and the following disclaimer. 106983e65eSMilanka Ringwald * 2. Redistributions in binary form must reproduce the above copyright 116983e65eSMilanka Ringwald * notice, this list of conditions and the following disclaimer in the 126983e65eSMilanka Ringwald * documentation and/or other materials provided with the distribution. 136983e65eSMilanka Ringwald * 3. Neither the name of the copyright holders nor the names of 146983e65eSMilanka Ringwald * contributors may be used to endorse or promote products derived 156983e65eSMilanka Ringwald * from this software without specific prior written permission. 166983e65eSMilanka Ringwald * 4. Any redistribution, use, or modification is done solely for 176983e65eSMilanka Ringwald * personal benefit and not for any commercial purpose or for 186983e65eSMilanka Ringwald * monetary gain. 196983e65eSMilanka Ringwald * 206983e65eSMilanka Ringwald * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 216983e65eSMilanka Ringwald * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 226983e65eSMilanka Ringwald * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 236983e65eSMilanka Ringwald * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 246983e65eSMilanka Ringwald * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 256983e65eSMilanka Ringwald * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 266983e65eSMilanka Ringwald * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 276983e65eSMilanka Ringwald * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 286983e65eSMilanka Ringwald * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 296983e65eSMilanka Ringwald * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 306983e65eSMilanka Ringwald * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 316983e65eSMilanka Ringwald * SUCH DAMAGE. 326983e65eSMilanka Ringwald * 336983e65eSMilanka Ringwald * Please inquire about commercial licensing options at 346983e65eSMilanka Ringwald * [email protected] 356983e65eSMilanka Ringwald * 366983e65eSMilanka Ringwald */ 376983e65eSMilanka Ringwald 38e501bae0SMatthias Ringwald #define BTSTACK_FILE__ "avrcp_controller.c" 396983e65eSMilanka Ringwald 406983e65eSMilanka Ringwald #include <stdint.h> 416983e65eSMilanka Ringwald #include <string.h> 42adaba9f3SMatthias Ringwald #include <inttypes.h> 436983e65eSMilanka Ringwald 446983e65eSMilanka Ringwald #include "btstack.h" 456983e65eSMilanka Ringwald #include "classic/avrcp.h" 466983e65eSMilanka Ringwald #include "classic/avrcp_controller.h" 476983e65eSMilanka Ringwald 484adb0765SMatthias Ringwald // made public in avrcp_controller.h 49e3d57ee2SMilanka Ringwald avrcp_context_t avrcp_controller_context; 504adb0765SMatthias Ringwald 5111014891SMilanka Ringwald static int avrcp_controller_supports_browsing(uint16_t controller_supported_features){ 52*e2f25417SMilanka Ringwald return controller_supported_features & AVRCP_FEATURE_MASK_BROWSING; 5311014891SMilanka Ringwald } 5411014891SMilanka Ringwald 554f0111ebSMilanka Ringwald void avrcp_controller_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name){ 5611014891SMilanka Ringwald avrcp_create_sdp_record(1, service, service_record_handle, avrcp_controller_supports_browsing(supported_features), supported_features, service_name, service_provider_name); 576983e65eSMilanka Ringwald } 586983e65eSMilanka Ringwald 596983e65eSMilanka Ringwald static void avrcp_emit_repeat_and_shuffle_mode(btstack_packet_handler_t callback, uint16_t avrcp_cid, uint8_t ctype, avrcp_repeat_mode_t repeat_mode, avrcp_shuffle_mode_t shuffle_mode){ 60be4cc80aSMilanka Ringwald btstack_assert(callback != NULL); 61be4cc80aSMilanka Ringwald 626983e65eSMilanka Ringwald uint8_t event[8]; 636983e65eSMilanka Ringwald int pos = 0; 646983e65eSMilanka Ringwald event[pos++] = HCI_EVENT_AVRCP_META; 656983e65eSMilanka Ringwald event[pos++] = sizeof(event) - 2; 666983e65eSMilanka Ringwald event[pos++] = AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE; 676983e65eSMilanka Ringwald little_endian_store_16(event, pos, avrcp_cid); 686983e65eSMilanka Ringwald pos += 2; 696983e65eSMilanka Ringwald event[pos++] = ctype; 706983e65eSMilanka Ringwald event[pos++] = repeat_mode; 716983e65eSMilanka Ringwald event[pos++] = shuffle_mode; 726983e65eSMilanka Ringwald (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 736983e65eSMilanka Ringwald } 746983e65eSMilanka Ringwald 756983e65eSMilanka Ringwald static void avrcp_emit_operation_status(btstack_packet_handler_t callback, uint8_t subevent, uint16_t avrcp_cid, uint8_t ctype, uint8_t operation_id){ 76be4cc80aSMilanka Ringwald btstack_assert(callback != NULL); 77be4cc80aSMilanka Ringwald 786983e65eSMilanka Ringwald uint8_t event[7]; 796983e65eSMilanka Ringwald int pos = 0; 806983e65eSMilanka Ringwald event[pos++] = HCI_EVENT_AVRCP_META; 816983e65eSMilanka Ringwald event[pos++] = sizeof(event) - 2; 826983e65eSMilanka Ringwald event[pos++] = subevent; 836983e65eSMilanka Ringwald little_endian_store_16(event, pos, avrcp_cid); 846983e65eSMilanka Ringwald pos += 2; 856983e65eSMilanka Ringwald event[pos++] = ctype; 866983e65eSMilanka Ringwald event[pos++] = operation_id; 876983e65eSMilanka Ringwald (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 886983e65eSMilanka Ringwald } 896983e65eSMilanka Ringwald 906983e65eSMilanka Ringwald static void avrcp_press_and_hold_timeout_handler(btstack_timer_source_t * timer){ 916983e65eSMilanka Ringwald UNUSED(timer); 92dfbbc26bSMatthias Ringwald avrcp_connection_t * connection = (avrcp_connection_t*) btstack_run_loop_get_timer_context(timer); 936983e65eSMilanka Ringwald btstack_run_loop_set_timer(&connection->press_and_hold_cmd_timer, 2000); // 2 seconds timeout 946983e65eSMilanka Ringwald btstack_run_loop_add_timer(&connection->press_and_hold_cmd_timer); 956983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_PRESS_COMMAND; 966983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 976983e65eSMilanka Ringwald } 986983e65eSMilanka Ringwald 996983e65eSMilanka Ringwald static void avrcp_press_and_hold_timer_start(avrcp_connection_t * connection){ 1006983e65eSMilanka Ringwald btstack_run_loop_remove_timer(&connection->press_and_hold_cmd_timer); 1016983e65eSMilanka Ringwald btstack_run_loop_set_timer_handler(&connection->press_and_hold_cmd_timer, avrcp_press_and_hold_timeout_handler); 1026983e65eSMilanka Ringwald btstack_run_loop_set_timer_context(&connection->press_and_hold_cmd_timer, connection); 1036983e65eSMilanka Ringwald btstack_run_loop_set_timer(&connection->press_and_hold_cmd_timer, 2000); // 2 seconds timeout 1046983e65eSMilanka Ringwald btstack_run_loop_add_timer(&connection->press_and_hold_cmd_timer); 1056983e65eSMilanka Ringwald } 1066983e65eSMilanka Ringwald 1076983e65eSMilanka Ringwald static void avrcp_press_and_hold_timer_stop(avrcp_connection_t * connection){ 1086983e65eSMilanka Ringwald connection->continuous_fast_forward_cmd = 0; 1096983e65eSMilanka Ringwald btstack_run_loop_remove_timer(&connection->press_and_hold_cmd_timer); 1106983e65eSMilanka Ringwald } 1116983e65eSMilanka Ringwald 1126983e65eSMilanka Ringwald static uint8_t request_pass_through_release_control_cmd(avrcp_connection_t * connection){ 1136983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_RELEASE_COMMAND; 1146983e65eSMilanka Ringwald if (connection->continuous_fast_forward_cmd){ 1156983e65eSMilanka Ringwald avrcp_press_and_hold_timer_stop(connection); 1166983e65eSMilanka Ringwald } 1176983e65eSMilanka Ringwald connection->cmd_operands[0] = 0x80 | connection->cmd_operands[0]; 1186983e65eSMilanka Ringwald connection->transaction_label++; 1196983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1206983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 1216983e65eSMilanka Ringwald } 1226983e65eSMilanka Ringwald 123638481deSMilanka Ringwald static inline uint8_t request_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed, uint8_t continuous_fast_forward_cmd){ 1241945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 1256983e65eSMilanka Ringwald if (!connection){ 1260036e267SMilanka Ringwald log_error("avrcp: could not find a connection. avrcp cid 0x%02x", avrcp_cid); 1276983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1286983e65eSMilanka Ringwald } 1290036e267SMilanka Ringwald 1306983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 1316983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_PRESS_COMMAND; 1326983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_PASS_THROUGH; 1336983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 1346983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 1356983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 1366983e65eSMilanka Ringwald connection->cmd_operands_length = 0; 1376983e65eSMilanka Ringwald 1386983e65eSMilanka Ringwald connection->continuous_fast_forward_cmd = continuous_fast_forward_cmd; 1396983e65eSMilanka Ringwald connection->cmd_operands_length = 2; 1406983e65eSMilanka Ringwald connection->cmd_operands[0] = opid; 1416983e65eSMilanka Ringwald if (playback_speed > 0){ 1426983e65eSMilanka Ringwald connection->cmd_operands[2] = playback_speed; 1436983e65eSMilanka Ringwald connection->cmd_operands_length++; 1446983e65eSMilanka Ringwald } 1456983e65eSMilanka Ringwald connection->cmd_operands[1] = connection->cmd_operands_length - 2; 1466983e65eSMilanka Ringwald 1476983e65eSMilanka Ringwald if (connection->continuous_fast_forward_cmd){ 1486983e65eSMilanka Ringwald avrcp_press_and_hold_timer_start(connection); 1496983e65eSMilanka Ringwald } 1506983e65eSMilanka Ringwald 1516983e65eSMilanka Ringwald connection->transaction_label++; 1526983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1536983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 1546983e65eSMilanka Ringwald } 1556983e65eSMilanka Ringwald 1566983e65eSMilanka Ringwald static uint8_t request_single_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){ 157638481deSMilanka Ringwald return request_pass_through_press_control_cmd(avrcp_cid, opid, playback_speed, 0); 1586983e65eSMilanka Ringwald } 1596983e65eSMilanka Ringwald 1606983e65eSMilanka Ringwald static uint8_t request_continuous_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){ 161638481deSMilanka Ringwald return request_pass_through_press_control_cmd(avrcp_cid, opid, playback_speed, 1); 1626983e65eSMilanka Ringwald } 1636983e65eSMilanka Ringwald 164c4b5c3d5SMatthias Ringwald #define AVRCP_CMD_BUFFER_SIZE 30 165c4b5c3d5SMatthias Ringwald static uint16_t avrcp_get_max_payload_size_for_packet_type(avrcp_packet_type_t packet_type){ 166c4b5c3d5SMatthias Ringwald switch (packet_type){ 167c4b5c3d5SMatthias Ringwald case AVRCP_SINGLE_PACKET: 168c4b5c3d5SMatthias Ringwald return AVRCP_CMD_BUFFER_SIZE - 3; 169c4b5c3d5SMatthias Ringwald case AVRCP_START_PACKET: 170c4b5c3d5SMatthias Ringwald return AVRCP_CMD_BUFFER_SIZE - 4; 171c4b5c3d5SMatthias Ringwald case AVRCP_CONTINUE_PACKET: 172c4b5c3d5SMatthias Ringwald case AVRCP_END_PACKET: 173c4b5c3d5SMatthias Ringwald return AVRCP_CMD_BUFFER_SIZE - 1; 174c4b5c3d5SMatthias Ringwald } 175ef004914SMatthias Ringwald return 0; 176c4b5c3d5SMatthias Ringwald } 177c4b5c3d5SMatthias Ringwald 178c4b5c3d5SMatthias Ringwald static int avrcp_send_cmd(avrcp_connection_t * connection, avrcp_packet_type_t packet_type){ 179c4b5c3d5SMatthias Ringwald uint8_t command[AVRCP_CMD_BUFFER_SIZE]; 1806983e65eSMilanka Ringwald int pos = 0; 181c4b5c3d5SMatthias Ringwald uint16_t max_bytes = sizeof(command) - 1; 1827f803253SMilanka Ringwald 1836983e65eSMilanka Ringwald // transport header 1846983e65eSMilanka Ringwald // Transaction label | Packet_type | C/R | IPID (1 == invalid profile identifier) 185c4b5c3d5SMatthias Ringwald command[pos++] = (connection->transaction_label << 4) | (packet_type << 2) | (AVRCP_COMMAND_FRAME << 1) | 0; 186c4b5c3d5SMatthias Ringwald 187c4b5c3d5SMatthias Ringwald if (packet_type == AVRCP_START_PACKET){ 188c4b5c3d5SMatthias Ringwald // num packets: (3 bytes overhead (PID, num packets) + command) / (MTU - transport header) 189c4b5c3d5SMatthias Ringwald command[pos++] = ((connection->cmd_operands_fragmented_len + 3 - 1) / (AVRCP_CMD_BUFFER_SIZE - 1)) + 1; 190c4b5c3d5SMatthias Ringwald max_bytes -= 3; 191c4b5c3d5SMatthias Ringwald } 192c4b5c3d5SMatthias Ringwald 1930e588213SMatthias Ringwald if ((packet_type == AVRCP_SINGLE_PACKET) || (packet_type == AVRCP_START_PACKET)){ 1946983e65eSMilanka Ringwald // Profile IDentifier (PID) 1956983e65eSMilanka Ringwald command[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL >> 8; 1966983e65eSMilanka Ringwald command[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL & 0x00FF; 1976983e65eSMilanka Ringwald 1986983e65eSMilanka Ringwald // command_type 1996983e65eSMilanka Ringwald command[pos++] = connection->command_type; 2006983e65eSMilanka Ringwald // subunit_type | subunit ID 2016983e65eSMilanka Ringwald command[pos++] = (connection->subunit_type << 3) | connection->subunit_id; 2026983e65eSMilanka Ringwald // opcode 2036983e65eSMilanka Ringwald command[pos++] = (uint8_t)connection->command_opcode; 204c4b5c3d5SMatthias Ringwald } 205c4b5c3d5SMatthias Ringwald 206c4b5c3d5SMatthias Ringwald if (packet_type == AVRCP_SINGLE_PACKET){ 2076983e65eSMilanka Ringwald // operands 2086535961aSMatthias Ringwald (void)memcpy(command + pos, connection->cmd_operands, 2096535961aSMatthias Ringwald connection->cmd_operands_length); 2106983e65eSMilanka Ringwald pos += connection->cmd_operands_length; 211c4b5c3d5SMatthias Ringwald } else { 212c4b5c3d5SMatthias Ringwald uint16_t bytes_to_copy = btstack_min(connection->cmd_operands_fragmented_len-connection->cmd_operands_fragmented_pos, max_bytes); 2136535961aSMatthias Ringwald (void)memcpy(command + pos, 2146535961aSMatthias Ringwald &connection->cmd_operands_fragmented_buffer[connection->cmd_operands_fragmented_pos], 2156535961aSMatthias Ringwald bytes_to_copy); 216c4b5c3d5SMatthias Ringwald pos += bytes_to_copy; 217c4b5c3d5SMatthias Ringwald connection->cmd_operands_fragmented_pos += bytes_to_copy; 218c4b5c3d5SMatthias Ringwald } 2196983e65eSMilanka Ringwald 220c19bc494SMatthias Ringwald return l2cap_send(connection->l2cap_signaling_cid, command, pos); 2216983e65eSMilanka Ringwald } 2226983e65eSMilanka Ringwald 2236983e65eSMilanka Ringwald static int avrcp_register_notification(avrcp_connection_t * connection, avrcp_notification_event_id_t event_id){ 2246983e65eSMilanka Ringwald if (connection->notifications_to_deregister & (1 << event_id)) return 0; 2256983e65eSMilanka Ringwald if (connection->notifications_enabled & (1 << event_id)) return 0; 2266983e65eSMilanka Ringwald if (connection->notifications_to_register & (1 << event_id)) return 0; 2276983e65eSMilanka Ringwald connection->notifications_to_register |= (1 << event_id); 2286983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 2296983e65eSMilanka Ringwald return 1; 2306983e65eSMilanka Ringwald } 2316983e65eSMilanka Ringwald 2326983e65eSMilanka Ringwald static void avrcp_prepare_notification(avrcp_connection_t * connection, avrcp_notification_event_id_t event_id){ 2336983e65eSMilanka Ringwald connection->transaction_label++; 2346983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 2356983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_NOTIFY; 2366983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 2376983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 2386983e65eSMilanka Ringwald int pos = 0; 2396983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 2406983e65eSMilanka Ringwald pos += 3; 2416983e65eSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_REGISTER_NOTIFICATION; 2426983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 0; // reserved(upper 6) | packet_type -> 0 2436983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 5); // parameter length 2446983e65eSMilanka Ringwald pos += 2; 2456983e65eSMilanka Ringwald connection->cmd_operands[pos++] = event_id; 2466fa3dbf2SMilanka Ringwald big_endian_store_32(connection->cmd_operands, pos, 1); // send notification on playback position every second, for other notifications it is ignored 2476983e65eSMilanka Ringwald pos += 4; 2486983e65eSMilanka Ringwald connection->cmd_operands_length = pos; 2496983e65eSMilanka Ringwald // AVRCP_SPEC_V14.pdf 166 2506983e65eSMilanka Ringwald // answer page 61 2516983e65eSMilanka Ringwald } 2526983e65eSMilanka Ringwald 2531bf7a74fSMilanka Ringwald 2541bf7a74fSMilanka Ringwald static void avrcp_parser_reset(avrcp_connection_t * connection){ 2551bf7a74fSMilanka Ringwald connection->list_offset = 0; 2561bf7a74fSMilanka Ringwald connection->num_attributes = 0; 2571bf7a74fSMilanka Ringwald connection->num_parsed_attributes = 0; 2581bf7a74fSMilanka Ringwald connection->parser_attribute_header_pos = 0; 2598b2b4034SMilanka Ringwald connection->num_received_fragments = 0; 2608b2b4034SMilanka Ringwald connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_HEADER; 2611bf7a74fSMilanka Ringwald } 2621bf7a74fSMilanka Ringwald 2631bf7a74fSMilanka Ringwald static void avrcp_controller_emit_now_playing_info_event_done(btstack_packet_handler_t callback, uint16_t avrcp_cid, uint8_t ctype, uint8_t status){ 2641bf7a74fSMilanka Ringwald uint8_t event[7]; 2651bf7a74fSMilanka Ringwald int pos = 0; 2661bf7a74fSMilanka Ringwald event[pos++] = HCI_EVENT_AVRCP_META; 2671bf7a74fSMilanka Ringwald event[pos++] = sizeof(event) - 2; 2681bf7a74fSMilanka Ringwald event[pos++] = AVRCP_SUBEVENT_NOW_PLAYING_INFO_DONE; 2691bf7a74fSMilanka Ringwald little_endian_store_16(event, pos, avrcp_cid); 2701bf7a74fSMilanka Ringwald pos += 2; 2711bf7a74fSMilanka Ringwald event[pos++] = ctype; 2721bf7a74fSMilanka Ringwald event[pos++] = status; 2731bf7a74fSMilanka Ringwald // printf_hexdump(event, pos); 2741bf7a74fSMilanka Ringwald (*callback)(HCI_EVENT_PACKET, 0, event, pos); 2751bf7a74fSMilanka Ringwald } 2761bf7a74fSMilanka Ringwald 2771bf7a74fSMilanka Ringwald static void avrcp_controller_emit_now_playing_info_event(btstack_packet_handler_t callback, uint16_t avrcp_cid, uint8_t ctype, avrcp_media_attribute_id_t attr_id, uint8_t * value, uint16_t value_len){ 2781bf7a74fSMilanka Ringwald uint8_t event[HCI_EVENT_BUFFER_SIZE]; 2791bf7a74fSMilanka Ringwald int pos = 0; 2801bf7a74fSMilanka Ringwald event[pos++] = HCI_EVENT_AVRCP_META; 2811bf7a74fSMilanka Ringwald // reserve one byte for subevent type and data len 2821bf7a74fSMilanka Ringwald int data_len_pos = pos; 2831bf7a74fSMilanka Ringwald pos++; 2841bf7a74fSMilanka Ringwald int subevent_type_pos = pos; 2851bf7a74fSMilanka Ringwald pos++; 2861bf7a74fSMilanka Ringwald little_endian_store_16(event, pos, avrcp_cid); 2871bf7a74fSMilanka Ringwald pos += 2; 2881bf7a74fSMilanka Ringwald event[pos++] = ctype; 2891bf7a74fSMilanka Ringwald 2901bf7a74fSMilanka Ringwald switch (attr_id){ 2911bf7a74fSMilanka Ringwald case AVRCP_MEDIA_ATTR_TITLE: 2921bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TITLE_INFO; 2931bf7a74fSMilanka Ringwald event[pos++] = value_len; 2946535961aSMatthias Ringwald (void)memcpy(event + pos, value, value_len); 2951bf7a74fSMilanka Ringwald break; 2961bf7a74fSMilanka Ringwald case AVRCP_MEDIA_ATTR_ARTIST: 2971bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_ARTIST_INFO; 2981bf7a74fSMilanka Ringwald event[pos++] = value_len; 2996535961aSMatthias Ringwald (void)memcpy(event + pos, value, value_len); 3001bf7a74fSMilanka Ringwald break; 3011bf7a74fSMilanka Ringwald case AVRCP_MEDIA_ATTR_ALBUM: 3021bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_ALBUM_INFO; 3031bf7a74fSMilanka Ringwald event[pos++] = value_len; 3046535961aSMatthias Ringwald (void)memcpy(event + pos, value, value_len); 3051bf7a74fSMilanka Ringwald break; 3061bf7a74fSMilanka Ringwald case AVRCP_MEDIA_ATTR_GENRE: 3071bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_GENRE_INFO; 3081bf7a74fSMilanka Ringwald event[pos++] = value_len; 3096535961aSMatthias Ringwald (void)memcpy(event + pos, value, value_len); 3101bf7a74fSMilanka Ringwald break; 3112f511ffbSMilanka Ringwald case AVRCP_MEDIA_ATTR_SONG_LENGTH_MS: 3121bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_SONG_LENGTH_MS_INFO; 3131bf7a74fSMilanka Ringwald if (value){ 3141bf7a74fSMilanka Ringwald little_endian_store_32(event, pos, btstack_atoi((char *)value)); 3151bf7a74fSMilanka Ringwald } else { 3161bf7a74fSMilanka Ringwald little_endian_store_32(event, pos, 0); 3171bf7a74fSMilanka Ringwald } 3181bf7a74fSMilanka Ringwald pos += 4; 3191bf7a74fSMilanka Ringwald break; 3201bf7a74fSMilanka Ringwald case AVRCP_MEDIA_ATTR_TRACK: 3211bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TRACK_INFO; 3221bf7a74fSMilanka Ringwald if (value){ 3231bf7a74fSMilanka Ringwald event[pos++] = btstack_atoi((char *)value); 3241bf7a74fSMilanka Ringwald } else { 3251bf7a74fSMilanka Ringwald event[pos++] = 0; 3261bf7a74fSMilanka Ringwald } 3271bf7a74fSMilanka Ringwald break; 328864d08b0SMilanka Ringwald case AVRCP_MEDIA_ATTR_TOTAL_NUM_ITEMS: 3291bf7a74fSMilanka Ringwald event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TOTAL_TRACKS_INFO; 3301bf7a74fSMilanka Ringwald if (value){ 3311bf7a74fSMilanka Ringwald event[pos++] = btstack_atoi((char *)value); 3321bf7a74fSMilanka Ringwald } else { 3331bf7a74fSMilanka Ringwald event[pos++] = 0; 3341bf7a74fSMilanka Ringwald } 3351bf7a74fSMilanka Ringwald break; 3361bf7a74fSMilanka Ringwald default: 3371bf7a74fSMilanka Ringwald break; 3381bf7a74fSMilanka Ringwald } 3391bf7a74fSMilanka Ringwald event[data_len_pos] = pos - 2; 3401bf7a74fSMilanka Ringwald (*callback)(HCI_EVENT_PACKET, 0, event, pos); 3411bf7a74fSMilanka Ringwald } 3421bf7a74fSMilanka Ringwald 3431bf7a74fSMilanka Ringwald static void avrcp_parser_process_byte(uint8_t byte, avrcp_connection_t * connection, avrcp_command_type_t ctype){ 344836408dfSMatthias Ringwald uint16_t attribute_total_value_len; 345836408dfSMatthias Ringwald uint32_t attribute_id; 3461c7ac872SMatthias Ringwald // printf("avrcp_parser_process_byte: %02x, state %02x\n", byte, connection->parser_state); 3471bf7a74fSMilanka Ringwald switch(connection->parser_state){ 348836408dfSMatthias Ringwald case AVRCP_PARSER_GET_ATTRIBUTE_HEADER: 3491bf7a74fSMilanka Ringwald connection->parser_attribute_header[connection->parser_attribute_header_pos++] = byte; 3501bf7a74fSMilanka Ringwald connection->list_offset++; 3519771e28cSMatthias Ringwald 3529771e28cSMatthias Ringwald if (connection->parser_attribute_header_pos < AVRCP_ATTRIBUTE_HEADER_LEN) return; 3539771e28cSMatthias Ringwald 354836408dfSMatthias Ringwald attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6); 3558b2b4034SMilanka Ringwald connection->attribute_value_len = btstack_min(attribute_total_value_len, AVRCP_MAX_ATTRIBUTTE_SIZE); 3569771e28cSMatthias Ringwald if (connection->attribute_value_len > 0){ 3579771e28cSMatthias Ringwald // get ready for attribute value 358836408dfSMatthias Ringwald connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_VALUE; 359836408dfSMatthias Ringwald return; 3609771e28cSMatthias Ringwald } 3619771e28cSMatthias Ringwald 3629771e28cSMatthias Ringwald // emit empty attribute 3639771e28cSMatthias Ringwald attribute_id = big_endian_read_32(connection->parser_attribute_header, 0); 364dfbbc26bSMatthias Ringwald avrcp_controller_emit_now_playing_info_event(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, (avrcp_media_attribute_id_t) attribute_id, connection->attribute_value, connection->attribute_value_len); 3659771e28cSMatthias Ringwald 3669771e28cSMatthias Ringwald // done, see below 3679771e28cSMatthias Ringwald break; 368836408dfSMatthias Ringwald 369836408dfSMatthias Ringwald case AVRCP_PARSER_GET_ATTRIBUTE_VALUE: 3701bf7a74fSMilanka Ringwald connection->attribute_value[connection->attribute_value_offset++] = byte; 3711bf7a74fSMilanka Ringwald connection->list_offset++; 3729771e28cSMatthias Ringwald 3739771e28cSMatthias Ringwald if (connection->attribute_value_offset < connection->attribute_value_len) return; 3748b2b4034SMilanka Ringwald 375836408dfSMatthias Ringwald // emit (potentially partial) attribute 376836408dfSMatthias Ringwald attribute_id = big_endian_read_32(connection->parser_attribute_header, 0); 377dfbbc26bSMatthias Ringwald avrcp_controller_emit_now_playing_info_event(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, (avrcp_media_attribute_id_t) attribute_id, connection->attribute_value, connection->attribute_value_len); 3781bf7a74fSMilanka Ringwald 379836408dfSMatthias Ringwald attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6); 380836408dfSMatthias Ringwald if (connection->attribute_value_offset < attribute_total_value_len){ 3819771e28cSMatthias Ringwald // ignore rest of attribute 38214e95846SMilanka Ringwald connection->parser_state = AVRCP_PARSER_IGNORE_REST_OF_ATTRIBUTE_VALUE; 383836408dfSMatthias Ringwald return; 3841bf7a74fSMilanka Ringwald } 3859771e28cSMatthias Ringwald 3869771e28cSMatthias Ringwald // done, see below 387836408dfSMatthias Ringwald break; 3881bf7a74fSMilanka Ringwald 38914e95846SMilanka Ringwald case AVRCP_PARSER_IGNORE_REST_OF_ATTRIBUTE_VALUE: 3901bf7a74fSMilanka Ringwald connection->attribute_value_offset++; 3919771e28cSMatthias Ringwald connection->list_offset++; 3929771e28cSMatthias Ringwald 3939771e28cSMatthias Ringwald attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6); 3949771e28cSMatthias Ringwald if (connection->attribute_value_offset < attribute_total_value_len) return; 3959771e28cSMatthias Ringwald 3969771e28cSMatthias Ringwald // done, see below 397836408dfSMatthias Ringwald break; 3981bf7a74fSMilanka Ringwald 399836408dfSMatthias Ringwald default: 400836408dfSMatthias Ringwald return; 4011bf7a74fSMilanka Ringwald } 402836408dfSMatthias Ringwald 403836408dfSMatthias Ringwald // attribute fully read, check if more to come 404836408dfSMatthias Ringwald if (connection->list_offset < connection->list_size){ 4059771e28cSMatthias Ringwald // more to come, reset parser 4061bf7a74fSMilanka Ringwald connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_HEADER; 4071bf7a74fSMilanka Ringwald connection->parser_attribute_header_pos = 0; 4081c7ac872SMatthias Ringwald connection->attribute_value_offset = 0; 409836408dfSMatthias Ringwald } else { 410836408dfSMatthias Ringwald // fully done 411836408dfSMatthias Ringwald avrcp_parser_reset(connection); 412836408dfSMatthias Ringwald avrcp_controller_emit_now_playing_info_event_done(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, 0); 4131bf7a74fSMilanka Ringwald } 4141bf7a74fSMilanka Ringwald } 4151bf7a74fSMilanka Ringwald 4161bf7a74fSMilanka Ringwald static void avrcp_source_parse_and_emit_element_attrs(uint8_t * packet, uint16_t num_bytes_to_read, avrcp_connection_t * connection, avrcp_command_type_t ctype){ 4171bf7a74fSMilanka Ringwald int i; 4181bf7a74fSMilanka Ringwald for (i=0;i<num_bytes_to_read;i++){ 4191bf7a74fSMilanka Ringwald avrcp_parser_process_byte(packet[i], connection, ctype); 4201bf7a74fSMilanka Ringwald } 4211bf7a74fSMilanka Ringwald } 4221bf7a74fSMilanka Ringwald 4231bf7a74fSMilanka Ringwald static uint8_t avrcp_controller_request_abort_continuation(avrcp_connection_t * connection){ 4241bf7a74fSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 4251bf7a74fSMilanka Ringwald connection->transaction_label++; 4261bf7a74fSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 4271bf7a74fSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 4281bf7a74fSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 4291bf7a74fSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 4301bf7a74fSMilanka Ringwald int pos = 0; 4311bf7a74fSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 4321bf7a74fSMilanka Ringwald pos += 3; 4331bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_REQUEST_ABORT_CONTINUING_RESPONSE; // PDU ID 4341bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = 0; 4351bf7a74fSMilanka Ringwald // Parameter Length 4361bf7a74fSMilanka Ringwald connection->cmd_operands_length = 8; 4371bf7a74fSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 1); 4381bf7a74fSMilanka Ringwald pos += 2; 4391bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES; 4401bf7a74fSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 4411bf7a74fSMilanka Ringwald return ERROR_CODE_SUCCESS; 4421bf7a74fSMilanka Ringwald } 4431bf7a74fSMilanka Ringwald 4441bf7a74fSMilanka Ringwald 4451bf7a74fSMilanka Ringwald static uint8_t avrcp_controller_request_continue_response(avrcp_connection_t * connection){ 4461bf7a74fSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 4471bf7a74fSMilanka Ringwald connection->transaction_label++; 4481bf7a74fSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 4491bf7a74fSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 4501bf7a74fSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 4511bf7a74fSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 4521bf7a74fSMilanka Ringwald int pos = 0; 4531bf7a74fSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 4541bf7a74fSMilanka Ringwald pos += 3; 4551bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_REQUEST_CONTINUING_RESPONSE; // PDU ID 4561bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = 0; 4571bf7a74fSMilanka Ringwald // Parameter Length 4581bf7a74fSMilanka Ringwald connection->cmd_operands_length = 8; 4591bf7a74fSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 1); 4601bf7a74fSMilanka Ringwald pos += 2; 4611bf7a74fSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES; 4621bf7a74fSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 4631bf7a74fSMilanka Ringwald return ERROR_CODE_SUCCESS; 4641bf7a74fSMilanka Ringwald } 4651bf7a74fSMilanka Ringwald 4666983e65eSMilanka Ringwald static void avrcp_handle_l2cap_data_packet_for_signaling_connection(avrcp_connection_t * connection, uint8_t *packet, uint16_t size){ 4676983e65eSMilanka Ringwald uint8_t operands[20]; 4686983e65eSMilanka Ringwald uint8_t opcode; 4696983e65eSMilanka Ringwald int pos = 3; 4706983e65eSMilanka Ringwald 4716983e65eSMilanka Ringwald avrcp_command_type_t ctype = (avrcp_command_type_t) packet[pos++]; 4726983e65eSMilanka Ringwald uint8_t byte_value = packet[pos++]; 4736983e65eSMilanka Ringwald avrcp_subunit_type_t subunit_type = (avrcp_subunit_type_t) (byte_value >> 3); 4746983e65eSMilanka Ringwald avrcp_subunit_type_t subunit_id = (avrcp_subunit_type_t) (byte_value & 0x07); 4756983e65eSMilanka Ringwald opcode = packet[pos++]; 4766983e65eSMilanka Ringwald 4776983e65eSMilanka Ringwald uint8_t pdu_id; 4786983e65eSMilanka Ringwald uint16_t param_length; 4796983e65eSMilanka Ringwald switch (avrcp_cmd_opcode(packet,size)){ 480ad75da14SMilanka Ringwald case AVRCP_CMD_OPCODE_SUBUNIT_INFO:{ 481ad75da14SMilanka Ringwald if (connection->state != AVCTP_W2_RECEIVE_RESPONSE) return; 482ad75da14SMilanka Ringwald connection->state = AVCTP_CONNECTION_OPENED; 483ad75da14SMilanka Ringwald // operands: 4846535961aSMatthias Ringwald (void)memcpy(operands, packet + pos, 5); 485ad75da14SMilanka Ringwald uint8_t unit_type = operands[1] >> 3; 486ad75da14SMilanka Ringwald uint8_t max_subunit_ID = operands[1] & 0x07; 487ad75da14SMilanka Ringwald log_info(" SUBUNIT INFO response: ctype 0x%02x (0C), subunit_type 0x%02x (1F), subunit_id 0x%02x (07), opcode 0x%02x (30), unit_type 0x%02x, max_subunit_ID %d", ctype, subunit_type, subunit_id, opcode, unit_type, max_subunit_ID); 488ad75da14SMilanka Ringwald break; 489ad75da14SMilanka Ringwald } 4906983e65eSMilanka Ringwald case AVRCP_CMD_OPCODE_UNIT_INFO:{ 4916983e65eSMilanka Ringwald if (connection->state != AVCTP_W2_RECEIVE_RESPONSE) return; 4926983e65eSMilanka Ringwald connection->state = AVCTP_CONNECTION_OPENED; 4936983e65eSMilanka Ringwald // operands: 4946535961aSMatthias Ringwald (void)memcpy(operands, packet + pos, 5); 4956983e65eSMilanka Ringwald uint8_t unit_type = operands[1] >> 3; 4966983e65eSMilanka Ringwald uint8_t unit = operands[1] & 0x07; 497c1ab6cc1SMatthias Ringwald uint32_t company_id = (operands[2] << 16) | (operands[3] << 8) | operands[4]; 498adaba9f3SMatthias Ringwald log_info(" UNIT INFO response: ctype 0x%02x (0C), subunit_type 0x%02x (1F), subunit_id 0x%02x (07), opcode 0x%02x (30), unit_type 0x%02x, unit %d, company_id 0x%06" PRIx32, 4996983e65eSMilanka Ringwald ctype, subunit_type, subunit_id, opcode, unit_type, unit, company_id); 5006983e65eSMilanka Ringwald break; 5016983e65eSMilanka Ringwald } 5026983e65eSMilanka Ringwald case AVRCP_CMD_OPCODE_VENDOR_DEPENDENT: 503c1ab6cc1SMatthias Ringwald if ((size - pos) < 7) { 5046983e65eSMilanka Ringwald log_error("avrcp: wrong packet size"); 5056983e65eSMilanka Ringwald return; 5066983e65eSMilanka Ringwald }; 5076983e65eSMilanka Ringwald // operands: 5086535961aSMatthias Ringwald (void)memcpy(operands, packet + pos, 7); 5096983e65eSMilanka Ringwald pos += 7; 5106983e65eSMilanka Ringwald pdu_id = operands[3]; 5116983e65eSMilanka Ringwald 5120e588213SMatthias Ringwald if ((connection->state != AVCTP_W2_RECEIVE_RESPONSE) && (pdu_id != AVRCP_PDU_ID_REGISTER_NOTIFICATION)){ 5136983e65eSMilanka Ringwald log_info("AVRCP_CMD_OPCODE_VENDOR_DEPENDENT state %d", connection->state); 5146983e65eSMilanka Ringwald return; 5156983e65eSMilanka Ringwald } 5166983e65eSMilanka Ringwald connection->state = AVCTP_CONNECTION_OPENED; 5176983e65eSMilanka Ringwald 5186983e65eSMilanka Ringwald param_length = big_endian_read_16(operands, 5); 5196983e65eSMilanka Ringwald 5206983e65eSMilanka Ringwald log_info(" VENDOR DEPENDENT response: pdu id 0x%02x, param_length %d, status %s", pdu_id, param_length, avrcp_ctype2str(ctype)); 5216983e65eSMilanka Ringwald switch (pdu_id){ 52208485fc4SMilanka Ringwald case AVRCP_PDU_ID_GET_CURRENT_PLAYER_APPLICATION_SETTING_VALUE:{ 5236983e65eSMilanka Ringwald uint8_t num_attributes = packet[pos++]; 5246983e65eSMilanka Ringwald int i; 5256983e65eSMilanka Ringwald avrcp_repeat_mode_t repeat_mode = AVRCP_REPEAT_MODE_INVALID; 5266983e65eSMilanka Ringwald avrcp_shuffle_mode_t shuffle_mode = AVRCP_SHUFFLE_MODE_INVALID; 5276983e65eSMilanka Ringwald for (i = 0; i < num_attributes; i++){ 5286983e65eSMilanka Ringwald uint8_t attribute_id = packet[pos++]; 5296983e65eSMilanka Ringwald uint8_t value = packet[pos++]; 5306983e65eSMilanka Ringwald switch (attribute_id){ 5316983e65eSMilanka Ringwald case 0x02: 5326983e65eSMilanka Ringwald repeat_mode = (avrcp_repeat_mode_t) value; 5336983e65eSMilanka Ringwald break; 5346983e65eSMilanka Ringwald case 0x03: 5356983e65eSMilanka Ringwald shuffle_mode = (avrcp_shuffle_mode_t) value; 5366983e65eSMilanka Ringwald break; 5376983e65eSMilanka Ringwald default: 5386983e65eSMilanka Ringwald break; 5396983e65eSMilanka Ringwald } 5406983e65eSMilanka Ringwald } 5416983e65eSMilanka Ringwald avrcp_emit_repeat_and_shuffle_mode(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, repeat_mode, shuffle_mode); 5426983e65eSMilanka Ringwald break; 5436983e65eSMilanka Ringwald } 54408485fc4SMilanka Ringwald case AVRCP_PDU_ID_SET_PLAYER_APPLICATION_SETTING_VALUE:{ 5456983e65eSMilanka Ringwald uint8_t event[6]; 5466983e65eSMilanka Ringwald int offset = 0; 5476983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 5486983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 5496983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_PLAYER_APPLICATION_VALUE_RESPONSE; 5506983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 5516983e65eSMilanka Ringwald offset += 2; 5526983e65eSMilanka Ringwald event[offset++] = ctype; 5536983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 5546983e65eSMilanka Ringwald break; 5556983e65eSMilanka Ringwald } 5566983e65eSMilanka Ringwald case AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME:{ 5576983e65eSMilanka Ringwald uint8_t event[7]; 5586983e65eSMilanka Ringwald int offset = 0; 5596983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 5606983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 5616983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_SET_ABSOLUTE_VOLUME_RESPONSE; 5626983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 5636983e65eSMilanka Ringwald offset += 2; 5646983e65eSMilanka Ringwald event[offset++] = ctype; 5656983e65eSMilanka Ringwald event[offset++] = packet[pos++]; 5666983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 5676983e65eSMilanka Ringwald break; 5686983e65eSMilanka Ringwald } 5696983e65eSMilanka Ringwald case AVRCP_PDU_ID_GET_CAPABILITIES:{ 5706983e65eSMilanka Ringwald avrcp_capability_id_t capability_id = (avrcp_capability_id_t) packet[pos++]; 5716983e65eSMilanka Ringwald uint8_t capability_count = packet[pos++]; 5726983e65eSMilanka Ringwald int i; 5734f5eb797SMilanka Ringwald 5746983e65eSMilanka Ringwald switch (capability_id){ 5754f5eb797SMilanka Ringwald int offset = 0; 5764f5eb797SMilanka Ringwald uint8_t event[10]; 5774f5eb797SMilanka Ringwald 5786983e65eSMilanka Ringwald case AVRCP_CAPABILITY_ID_COMPANY: 5796983e65eSMilanka Ringwald for (i = 0; i < capability_count; i++){ 5806983e65eSMilanka Ringwald uint32_t company_id = big_endian_read_24(packet, pos); 5816983e65eSMilanka Ringwald pos += 3; 582adaba9f3SMatthias Ringwald log_info(" 0x%06" PRIx32 ", ", company_id); 5834f5eb797SMilanka Ringwald 5844f5eb797SMilanka Ringwald offset = 0; 5854f5eb797SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 5864f5eb797SMilanka Ringwald event[offset++] = sizeof(event) - 2; 5874f5eb797SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_COMPANY_ID; 5884f5eb797SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 5894f5eb797SMilanka Ringwald offset += 2; 5904f5eb797SMilanka Ringwald event[offset++] = ctype; 5914f5eb797SMilanka Ringwald event[offset++] = 0; 5924f5eb797SMilanka Ringwald little_endian_store_24(event, offset, company_id); 5934f5eb797SMilanka Ringwald offset += 3; 5944f5eb797SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset); 5956983e65eSMilanka Ringwald break; 5964f5eb797SMilanka Ringwald } 5974f5eb797SMilanka Ringwald 5984f5eb797SMilanka Ringwald offset = 0; 5994f5eb797SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 6004f5eb797SMilanka Ringwald event[offset++] = sizeof(event) - 2; 6014f5eb797SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_COMPANY_ID_DONE; 6024f5eb797SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 6034f5eb797SMilanka Ringwald offset += 2; 6044f5eb797SMilanka Ringwald event[offset++] = ctype; 6054f5eb797SMilanka Ringwald event[offset++] = 0; 6064f5eb797SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset); 6074f5eb797SMilanka Ringwald break; 6084f5eb797SMilanka Ringwald 6096983e65eSMilanka Ringwald case AVRCP_CAPABILITY_ID_EVENT: 6106983e65eSMilanka Ringwald for (i = 0; i < capability_count; i++){ 6116983e65eSMilanka Ringwald uint8_t event_id = packet[pos++]; 6126983e65eSMilanka Ringwald log_info(" 0x%02x %s", event_id, avrcp_event2str(event_id)); 6134f5eb797SMilanka Ringwald 6144f5eb797SMilanka Ringwald offset = 0; 6154f5eb797SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 6164f5eb797SMilanka Ringwald event[offset++] = sizeof(event) - 2; 6174f5eb797SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_EVENT_ID; 6184f5eb797SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 6194f5eb797SMilanka Ringwald offset += 2; 6204f5eb797SMilanka Ringwald event[offset++] = ctype; 6214f5eb797SMilanka Ringwald event[offset++] = 0; 6224f5eb797SMilanka Ringwald event[offset++] = event_id; 6234f5eb797SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset); 6246983e65eSMilanka Ringwald } 6254f5eb797SMilanka Ringwald 6264f5eb797SMilanka Ringwald offset = 0; 6274f5eb797SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 6284f5eb797SMilanka Ringwald event[offset++] = sizeof(event) - 2; 6294f5eb797SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_EVENT_ID_DONE; 6304f5eb797SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 6314f5eb797SMilanka Ringwald offset += 2; 6324f5eb797SMilanka Ringwald event[offset++] = ctype; 6334f5eb797SMilanka Ringwald event[offset++] = 0; 6344f5eb797SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 6356983e65eSMilanka Ringwald break; 6366983e65eSMilanka Ringwald } 6376983e65eSMilanka Ringwald break; 6386983e65eSMilanka Ringwald } 6396983e65eSMilanka Ringwald case AVRCP_PDU_ID_GET_PLAY_STATUS:{ 6406983e65eSMilanka Ringwald uint32_t song_length = big_endian_read_32(packet, pos); 6416983e65eSMilanka Ringwald pos += 4; 6426983e65eSMilanka Ringwald uint32_t song_position = big_endian_read_32(packet, pos); 6436983e65eSMilanka Ringwald pos += 4; 6446983e65eSMilanka Ringwald uint8_t play_status = packet[pos]; 6456983e65eSMilanka Ringwald 6466983e65eSMilanka Ringwald uint8_t event[15]; 6476983e65eSMilanka Ringwald int offset = 0; 6486983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 6496983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 6506983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_PLAY_STATUS; 6516983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 6526983e65eSMilanka Ringwald offset += 2; 6536983e65eSMilanka Ringwald event[offset++] = ctype; 6546983e65eSMilanka Ringwald little_endian_store_32(event, offset, song_length); 6556983e65eSMilanka Ringwald offset += 4; 6566983e65eSMilanka Ringwald little_endian_store_32(event, offset, song_position); 6576983e65eSMilanka Ringwald offset += 4; 6586983e65eSMilanka Ringwald event[offset++] = play_status; 6596983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 6606983e65eSMilanka Ringwald break; 6616983e65eSMilanka Ringwald } 6626983e65eSMilanka Ringwald case AVRCP_PDU_ID_REGISTER_NOTIFICATION:{ 6636983e65eSMilanka Ringwald avrcp_notification_event_id_t event_id = (avrcp_notification_event_id_t) packet[pos++]; 6646983e65eSMilanka Ringwald uint16_t event_mask = (1 << event_id); 6656983e65eSMilanka Ringwald uint16_t reset_event_mask = ~event_mask; 6666983e65eSMilanka Ringwald switch (ctype){ 6676983e65eSMilanka Ringwald case AVRCP_CTYPE_RESPONSE_INTERIM: 6686983e65eSMilanka Ringwald // register as enabled 6696983e65eSMilanka Ringwald connection->notifications_enabled |= event_mask; 6706983e65eSMilanka Ringwald break; 6716983e65eSMilanka Ringwald case AVRCP_CTYPE_RESPONSE_CHANGED_STABLE: 6726983e65eSMilanka Ringwald // received change, event is considered deregistered 6736983e65eSMilanka Ringwald // we are re-enabling it automatically, if it is not 6746983e65eSMilanka Ringwald // explicitly disabled 6756983e65eSMilanka Ringwald connection->notifications_enabled &= reset_event_mask; 6766983e65eSMilanka Ringwald if (! (connection->notifications_to_deregister & event_mask)){ 6776983e65eSMilanka Ringwald avrcp_register_notification(connection, event_id); 6786983e65eSMilanka Ringwald } else { 6796983e65eSMilanka Ringwald connection->notifications_to_deregister &= reset_event_mask; 6806983e65eSMilanka Ringwald } 6816983e65eSMilanka Ringwald break; 6826983e65eSMilanka Ringwald default: 6836983e65eSMilanka Ringwald connection->notifications_to_register &= reset_event_mask; 6846983e65eSMilanka Ringwald connection->notifications_enabled &= reset_event_mask; 6856983e65eSMilanka Ringwald connection->notifications_to_deregister &= reset_event_mask; 6866983e65eSMilanka Ringwald break; 6876983e65eSMilanka Ringwald } 6886983e65eSMilanka Ringwald 6896983e65eSMilanka Ringwald switch (event_id){ 6906fa3dbf2SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_PLAYBACK_POS_CHANGED:{ 6916fa3dbf2SMilanka Ringwald uint32_t song_position = big_endian_read_32(packet, pos); 6926fa3dbf2SMilanka Ringwald uint8_t event[10]; 6936fa3dbf2SMilanka Ringwald int offset = 0; 6946fa3dbf2SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 6956fa3dbf2SMilanka Ringwald event[offset++] = sizeof(event) - 2; 6966fa3dbf2SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_POS_CHANGED; 6976fa3dbf2SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 6986fa3dbf2SMilanka Ringwald offset += 2; 6996fa3dbf2SMilanka Ringwald event[offset++] = ctype; 7006fa3dbf2SMilanka Ringwald little_endian_store_32(event, offset, song_position); 7016fa3dbf2SMilanka Ringwald offset += 4; 7026fa3dbf2SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7036fa3dbf2SMilanka Ringwald break; 7046fa3dbf2SMilanka Ringwald } 7056983e65eSMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED:{ 7066983e65eSMilanka Ringwald uint8_t event[7]; 7076983e65eSMilanka Ringwald int offset = 0; 7086983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7096983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 7106983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_STATUS_CHANGED; 7116983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7126983e65eSMilanka Ringwald offset += 2; 7136983e65eSMilanka Ringwald event[offset++] = ctype; 7146983e65eSMilanka Ringwald event[offset++] = packet[pos]; 7156983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7166983e65eSMilanka Ringwald break; 7176983e65eSMilanka Ringwald } 7186983e65eSMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED:{ 7196983e65eSMilanka Ringwald uint8_t event[6]; 7206983e65eSMilanka Ringwald int offset = 0; 7216983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7226983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 7236983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_TRACK_CHANGED; 7246983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7256983e65eSMilanka Ringwald offset += 2; 7266983e65eSMilanka Ringwald event[offset++] = ctype; 7276983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7286983e65eSMilanka Ringwald break; 7296983e65eSMilanka Ringwald } 7306983e65eSMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED:{ 7316983e65eSMilanka Ringwald uint8_t event[6]; 7326983e65eSMilanka Ringwald int offset = 0; 7336983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7346983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 7356983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_NOW_PLAYING_CONTENT_CHANGED; 7366983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7376983e65eSMilanka Ringwald offset += 2; 7386983e65eSMilanka Ringwald event[offset++] = ctype; 7396983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7406983e65eSMilanka Ringwald break; 7416983e65eSMilanka Ringwald } 7426983e65eSMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED:{ 7436983e65eSMilanka Ringwald uint8_t event[6]; 7446983e65eSMilanka Ringwald int offset = 0; 7456983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7466983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 7476983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_AVAILABLE_PLAYERS_CHANGED; 7486983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7496983e65eSMilanka Ringwald offset += 2; 7506983e65eSMilanka Ringwald event[offset++] = ctype; 7516983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7526983e65eSMilanka Ringwald break; 7536983e65eSMilanka Ringwald } 7546983e65eSMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED:{ 7556983e65eSMilanka Ringwald uint8_t event[7]; 7566983e65eSMilanka Ringwald int offset = 0; 7576983e65eSMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7586983e65eSMilanka Ringwald event[offset++] = sizeof(event) - 2; 7596983e65eSMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_VOLUME_CHANGED; 7606983e65eSMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7616983e65eSMilanka Ringwald offset += 2; 7626983e65eSMilanka Ringwald event[offset++] = ctype; 7636983e65eSMilanka Ringwald event[offset++] = packet[pos++] & 0x7F; 7646983e65eSMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7656983e65eSMilanka Ringwald break; 7666983e65eSMilanka Ringwald } 7674614c049SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_UIDS_CHANGED:{ 768e7e98b60SMilanka Ringwald uint8_t event[8]; 769e7e98b60SMilanka Ringwald uint16_t uuid = big_endian_read_16(packet, pos); 7704614c049SMilanka Ringwald int offset = 0; 7714614c049SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 7724614c049SMilanka Ringwald event[offset++] = sizeof(event) - 2; 773e7e98b60SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_UIDS_CHANGED; 7744614c049SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 7754614c049SMilanka Ringwald offset += 2; 7764614c049SMilanka Ringwald event[offset++] = ctype; 777e7e98b60SMilanka Ringwald little_endian_store_16(event, offset, uuid); 778e7e98b60SMilanka Ringwald offset += 2; 7794614c049SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 7804614c049SMilanka Ringwald break; 7814614c049SMilanka Ringwald } 7824614c049SMilanka Ringwald 783e7e98b60SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_END:{ 784e7e98b60SMilanka Ringwald uint8_t event[6]; 785e7e98b60SMilanka Ringwald int offset = 0; 786e7e98b60SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 787e7e98b60SMilanka Ringwald event[offset++] = sizeof(event) - 2; 788e7e98b60SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_TRACK_REACHED_END; 789e7e98b60SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 790e7e98b60SMilanka Ringwald offset += 2; 791e7e98b60SMilanka Ringwald event[offset++] = ctype; 792e7e98b60SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 793e7e98b60SMilanka Ringwald break; 794e7e98b60SMilanka Ringwald } 795e7e98b60SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_START:{ 796e7e98b60SMilanka Ringwald uint8_t event[6]; 797e7e98b60SMilanka Ringwald int offset = 0; 798e7e98b60SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 799e7e98b60SMilanka Ringwald event[offset++] = sizeof(event) - 2; 800e7e98b60SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_TRACK_REACHED_START; 801e7e98b60SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 802e7e98b60SMilanka Ringwald offset += 2; 803e7e98b60SMilanka Ringwald event[offset++] = ctype; 804e7e98b60SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 805e7e98b60SMilanka Ringwald break; 806e7e98b60SMilanka Ringwald } 807e7e98b60SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_BATT_STATUS_CHANGED:{ 808e7e98b60SMilanka Ringwald uint8_t event[7]; 809e7e98b60SMilanka Ringwald int offset = 0; 810e7e98b60SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 811e7e98b60SMilanka Ringwald event[offset++] = sizeof(event) - 2; 812e7e98b60SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_BATT_STATUS_CHANGED; 813e7e98b60SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 814e7e98b60SMilanka Ringwald offset += 2; 815e7e98b60SMilanka Ringwald event[offset++] = ctype; 816e7e98b60SMilanka Ringwald event[offset++] = packet[pos++]; 817e7e98b60SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 818e7e98b60SMilanka Ringwald break; 819e7e98b60SMilanka Ringwald } 820e7e98b60SMilanka Ringwald 821e7e98b60SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED:{ 822e7e98b60SMilanka Ringwald uint8_t event[7]; 823e7e98b60SMilanka Ringwald int offset = 0; 824e7e98b60SMilanka Ringwald event[offset++] = HCI_EVENT_AVRCP_META; 825e7e98b60SMilanka Ringwald event[offset++] = sizeof(event) - 2; 826e7e98b60SMilanka Ringwald event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED; 827e7e98b60SMilanka Ringwald little_endian_store_16(event, offset, connection->avrcp_cid); 828e7e98b60SMilanka Ringwald offset += 2; 829e7e98b60SMilanka Ringwald event[offset++] = ctype; 830e7e98b60SMilanka Ringwald event[offset++] = packet[pos]; 831e7e98b60SMilanka Ringwald (*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 832e7e98b60SMilanka Ringwald break; 833e7e98b60SMilanka Ringwald } 834e7e98b60SMilanka Ringwald 835e7e98b60SMilanka Ringwald case AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED: 8366983e65eSMilanka Ringwald default: 8376983e65eSMilanka Ringwald log_info("avrcp: not implemented"); 8386983e65eSMilanka Ringwald break; 8396983e65eSMilanka Ringwald } 8406983e65eSMilanka Ringwald if (connection->notifications_to_register != 0){ 8416983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 8426983e65eSMilanka Ringwald } 8436983e65eSMilanka Ringwald break; 8446983e65eSMilanka Ringwald } 8456983e65eSMilanka Ringwald 8466983e65eSMilanka Ringwald case AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES:{ 847dfbbc26bSMatthias Ringwald avrcp_packet_type_t packet_type = (avrcp_packet_type_t) (operands[4] & 0x03); 8481bf7a74fSMilanka Ringwald switch (packet_type){ 8491bf7a74fSMilanka Ringwald case AVRCP_START_PACKET: 8501bf7a74fSMilanka Ringwald case AVRCP_SINGLE_PACKET: 8511bf7a74fSMilanka Ringwald avrcp_parser_reset(connection); 8521bf7a74fSMilanka Ringwald connection->list_size = param_length; 8531bf7a74fSMilanka Ringwald connection->num_attributes = packet[pos++]; 8548b2b4034SMilanka Ringwald 8551bf7a74fSMilanka Ringwald avrcp_source_parse_and_emit_element_attrs(packet+pos, size-pos, connection, ctype); 8566983e65eSMilanka Ringwald 8571bf7a74fSMilanka Ringwald if (packet_type == AVRCP_START_PACKET){ 8581bf7a74fSMilanka Ringwald avrcp_controller_request_continue_response(connection); 8596983e65eSMilanka Ringwald } 8606983e65eSMilanka Ringwald break; 8611bf7a74fSMilanka Ringwald case AVRCP_CONTINUE_PACKET: 8621bf7a74fSMilanka Ringwald case AVRCP_END_PACKET: 8638b2b4034SMilanka Ringwald connection->num_received_fragments++; 8648b2b4034SMilanka Ringwald if (connection->num_received_fragments < connection->max_num_fragments){ 8651bf7a74fSMilanka Ringwald avrcp_source_parse_and_emit_element_attrs(packet+pos, size-pos, connection, ctype); 8668b2b4034SMilanka Ringwald if (packet_type == AVRCP_CONTINUE_PACKET){ 8678b2b4034SMilanka Ringwald avrcp_controller_request_continue_response(connection); 8688b2b4034SMilanka Ringwald } 8698b2b4034SMilanka Ringwald } else { 8708b2b4034SMilanka Ringwald avrcp_controller_request_abort_continuation(connection); 8718b2b4034SMilanka Ringwald avrcp_controller_emit_now_playing_info_event_done(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, 1); 8728b2b4034SMilanka Ringwald avrcp_parser_reset(connection); 8738b2b4034SMilanka Ringwald } 8741bf7a74fSMilanka Ringwald break; 8751bf7a74fSMilanka Ringwald } 8766983e65eSMilanka Ringwald } 8776983e65eSMilanka Ringwald default: 8786983e65eSMilanka Ringwald break; 8796983e65eSMilanka Ringwald } 8806983e65eSMilanka Ringwald break; 8816983e65eSMilanka Ringwald case AVRCP_CMD_OPCODE_PASS_THROUGH:{ 8826983e65eSMilanka Ringwald // 0x80 | connection->cmd_operands[0] 8836983e65eSMilanka Ringwald uint8_t operation_id = packet[pos++]; 8846983e65eSMilanka Ringwald switch (connection->state){ 8856983e65eSMilanka Ringwald case AVCTP_W2_RECEIVE_PRESS_RESPONSE: 8866983e65eSMilanka Ringwald if (connection->continuous_fast_forward_cmd){ 8876983e65eSMilanka Ringwald connection->state = AVCTP_W4_STOP; 8886983e65eSMilanka Ringwald } else { 8896983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_RELEASE_COMMAND; 8906983e65eSMilanka Ringwald } 8916983e65eSMilanka Ringwald break; 8926983e65eSMilanka Ringwald case AVCTP_W2_RECEIVE_RESPONSE: 8936983e65eSMilanka Ringwald connection->state = AVCTP_CONNECTION_OPENED; 8946983e65eSMilanka Ringwald break; 8956983e65eSMilanka Ringwald default: 8966983e65eSMilanka Ringwald break; 8976983e65eSMilanka Ringwald } 8986983e65eSMilanka Ringwald if (connection->state == AVCTP_W4_STOP){ 8996983e65eSMilanka Ringwald avrcp_emit_operation_status(avrcp_controller_context.avrcp_callback, AVRCP_SUBEVENT_OPERATION_START, connection->avrcp_cid, ctype, operation_id); 9006983e65eSMilanka Ringwald } 9016983e65eSMilanka Ringwald if (connection->state == AVCTP_CONNECTION_OPENED) { 9026983e65eSMilanka Ringwald // RELEASE response 9036983e65eSMilanka Ringwald operation_id = operation_id & 0x7F; 9046983e65eSMilanka Ringwald avrcp_emit_operation_status(avrcp_controller_context.avrcp_callback, AVRCP_SUBEVENT_OPERATION_COMPLETE, connection->avrcp_cid, ctype, operation_id); 9056983e65eSMilanka Ringwald } 9066983e65eSMilanka Ringwald if (connection->state == AVCTP_W2_SEND_RELEASE_COMMAND){ 9076983e65eSMilanka Ringwald // PRESS response 9086983e65eSMilanka Ringwald request_pass_through_release_control_cmd(connection); 9096983e65eSMilanka Ringwald } 9106983e65eSMilanka Ringwald break; 9116983e65eSMilanka Ringwald } 9126983e65eSMilanka Ringwald default: 9136983e65eSMilanka Ringwald break; 9146983e65eSMilanka Ringwald } 9152a7bb97aSMatthias Ringwald 9162a7bb97aSMatthias Ringwald // trigger pending notification reqistrations 9170e588213SMatthias Ringwald if ((connection->state == AVCTP_CONNECTION_OPENED) && connection->notifications_to_register){ 9182a7bb97aSMatthias Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 9192a7bb97aSMatthias Ringwald } 9206983e65eSMilanka Ringwald } 9216983e65eSMilanka Ringwald 9226983e65eSMilanka Ringwald static void avrcp_controller_handle_can_send_now(avrcp_connection_t * connection){ 9236983e65eSMilanka Ringwald int i; 9246983e65eSMilanka Ringwald switch (connection->state){ 9256983e65eSMilanka Ringwald case AVCTP_W2_SEND_PRESS_COMMAND: 9266983e65eSMilanka Ringwald connection->state = AVCTP_W2_RECEIVE_PRESS_RESPONSE; 927c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_SINGLE_PACKET); 9286983e65eSMilanka Ringwald break; 9296983e65eSMilanka Ringwald case AVCTP_W2_SEND_COMMAND: 9306983e65eSMilanka Ringwald case AVCTP_W2_SEND_RELEASE_COMMAND: 9316983e65eSMilanka Ringwald connection->state = AVCTP_W2_RECEIVE_RESPONSE; 932c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_SINGLE_PACKET); 9336983e65eSMilanka Ringwald break; 9346983e65eSMilanka Ringwald case AVCTP_CONNECTION_OPENED: 9356983e65eSMilanka Ringwald if (connection->notifications_to_register != 0){ 9366983e65eSMilanka Ringwald for (i = 1; i <= AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED; i++){ 9376983e65eSMilanka Ringwald if (connection->notifications_to_register & (1<<i)){ 9386983e65eSMilanka Ringwald connection->notifications_to_register &= ~ (1 << i); 9396983e65eSMilanka Ringwald avrcp_prepare_notification(connection, (avrcp_notification_event_id_t) i); 9406983e65eSMilanka Ringwald connection->state = AVCTP_W2_RECEIVE_RESPONSE; 941c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_SINGLE_PACKET); 9426983e65eSMilanka Ringwald return; 9436983e65eSMilanka Ringwald } 9446983e65eSMilanka Ringwald } 9456983e65eSMilanka Ringwald } 9466983e65eSMilanka Ringwald return; 947c4b5c3d5SMatthias Ringwald case AVCTP_W2_SEND_FRAGMENTED_COMMAND: 948c4b5c3d5SMatthias Ringwald if (connection->cmd_operands_fragmented_pos == 0){ 949c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_START_PACKET); 950c4b5c3d5SMatthias Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 951c4b5c3d5SMatthias Ringwald } else { 952c1ab6cc1SMatthias Ringwald if ((connection->cmd_operands_fragmented_len - connection->cmd_operands_fragmented_pos) > avrcp_get_max_payload_size_for_packet_type(AVRCP_CONTINUE_PACKET)){ 953c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_CONTINUE_PACKET); 954c4b5c3d5SMatthias Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 955c4b5c3d5SMatthias Ringwald } else { 956c4b5c3d5SMatthias Ringwald connection->state = AVCTP_W2_RECEIVE_RESPONSE; 957c4b5c3d5SMatthias Ringwald avrcp_send_cmd(connection, AVRCP_END_PACKET); 958c4b5c3d5SMatthias Ringwald } 959c4b5c3d5SMatthias Ringwald } 9606983e65eSMilanka Ringwald default: 9616983e65eSMilanka Ringwald return; 9626983e65eSMilanka Ringwald } 9636983e65eSMilanka Ringwald } 9646983e65eSMilanka Ringwald 9656983e65eSMilanka Ringwald static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 9666983e65eSMilanka Ringwald avrcp_connection_t * connection; 9676983e65eSMilanka Ringwald 9686983e65eSMilanka Ringwald switch (packet_type) { 9696983e65eSMilanka Ringwald case L2CAP_DATA_PACKET: 9701945fe3eSMilanka Ringwald connection = avrcp_get_connection_for_l2cap_signaling_cid_for_role(AVRCP_CONTROLLER, channel); 9716983e65eSMilanka Ringwald avrcp_handle_l2cap_data_packet_for_signaling_connection(connection, packet, size); 9726983e65eSMilanka Ringwald break; 9730036e267SMilanka Ringwald 9746983e65eSMilanka Ringwald case HCI_EVENT_PACKET: 9756983e65eSMilanka Ringwald switch (hci_event_packet_get_type(packet)){ 9766983e65eSMilanka Ringwald case L2CAP_EVENT_CAN_SEND_NOW: 9771945fe3eSMilanka Ringwald connection = avrcp_get_connection_for_l2cap_signaling_cid_for_role(AVRCP_CONTROLLER, channel); 9786983e65eSMilanka Ringwald avrcp_controller_handle_can_send_now(connection); 9796983e65eSMilanka Ringwald break; 9806983e65eSMilanka Ringwald default: 9816983e65eSMilanka Ringwald break; 9826983e65eSMilanka Ringwald } 9836983e65eSMilanka Ringwald default: 9846983e65eSMilanka Ringwald break; 9856983e65eSMilanka Ringwald } 9866983e65eSMilanka Ringwald } 9876983e65eSMilanka Ringwald 9886983e65eSMilanka Ringwald void avrcp_controller_init(void){ 9896983e65eSMilanka Ringwald avrcp_controller_context.role = AVRCP_CONTROLLER; 9906983e65eSMilanka Ringwald avrcp_controller_context.packet_handler = avrcp_controller_packet_handler; 991b106f728SMilanka Ringwald avrcp_register_controller_packet_handler(&avrcp_controller_packet_handler); 9926983e65eSMilanka Ringwald } 9936983e65eSMilanka Ringwald 9946983e65eSMilanka Ringwald void avrcp_controller_register_packet_handler(btstack_packet_handler_t callback){ 995be4cc80aSMilanka Ringwald btstack_assert(callback != NULL); 9966983e65eSMilanka Ringwald avrcp_controller_context.avrcp_callback = callback; 9976983e65eSMilanka Ringwald } 9986983e65eSMilanka Ringwald 9996983e65eSMilanka Ringwald uint8_t avrcp_controller_unit_info(uint16_t avrcp_cid){ 10001945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 10016983e65eSMilanka Ringwald if (!connection){ 10026983e65eSMilanka Ringwald log_error("avrcp_unit_info: could not find a connection."); 10036983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 10046983e65eSMilanka Ringwald } 10056983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 10066983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 10076983e65eSMilanka Ringwald 10086983e65eSMilanka Ringwald connection->transaction_label++; 10096983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_UNIT_INFO; 10106983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 10116983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_UNIT; //vendor unique 10126983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID_IGNORE; 10136983e65eSMilanka Ringwald memset(connection->cmd_operands, 0xFF, connection->cmd_operands_length); 10146983e65eSMilanka Ringwald connection->cmd_operands_length = 5; 10156983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 10166983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 10176983e65eSMilanka Ringwald } 10186983e65eSMilanka Ringwald 1019ad75da14SMilanka Ringwald uint8_t avrcp_controller_subunit_info(uint16_t avrcp_cid){ 10201945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 1021ad75da14SMilanka Ringwald if (!connection){ 1022ad75da14SMilanka Ringwald log_error("avrcp_unit_info: could not find a connection."); 1023ad75da14SMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1024ad75da14SMilanka Ringwald } 1025ad75da14SMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 1026ad75da14SMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 1027ad75da14SMilanka Ringwald 1028ad75da14SMilanka Ringwald connection->transaction_label++; 1029ad75da14SMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_SUBUNIT_INFO; 1030ad75da14SMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 1031ad75da14SMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_UNIT; //vendor unique 1032ad75da14SMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID_IGNORE; 1033ad75da14SMilanka Ringwald memset(connection->cmd_operands, 0xFF, connection->cmd_operands_length); 1034ad75da14SMilanka Ringwald connection->cmd_operands[0] = 7; // page: 0, extention_code: 7 1035ad75da14SMilanka Ringwald connection->cmd_operands_length = 5; 1036ad75da14SMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1037ad75da14SMilanka Ringwald return ERROR_CODE_SUCCESS; 1038ad75da14SMilanka Ringwald } 1039ad75da14SMilanka Ringwald 10406983e65eSMilanka Ringwald static uint8_t avrcp_controller_get_capabilities(uint16_t avrcp_cid, uint8_t capability_id){ 10411945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 10426983e65eSMilanka Ringwald if (!connection){ 10436983e65eSMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 10446983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 10456983e65eSMilanka Ringwald } 10466983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 10476983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 10486983e65eSMilanka Ringwald 10496983e65eSMilanka Ringwald connection->transaction_label++; 10506983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 10516983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 10526983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 10536983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 10546983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, 0, BT_SIG_COMPANY_ID); 10556983e65eSMilanka Ringwald connection->cmd_operands[3] = AVRCP_PDU_ID_GET_CAPABILITIES; // PDU ID 10566983e65eSMilanka Ringwald connection->cmd_operands[4] = 0; 10576983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, 5, 1); // parameter length 10586983e65eSMilanka Ringwald connection->cmd_operands[7] = capability_id; // capability ID 10596983e65eSMilanka Ringwald connection->cmd_operands_length = 8; 10606983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 10616983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 10626983e65eSMilanka Ringwald } 10636983e65eSMilanka Ringwald 10646983e65eSMilanka Ringwald uint8_t avrcp_controller_get_supported_company_ids(uint16_t avrcp_cid){ 10656983e65eSMilanka Ringwald return avrcp_controller_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_COMPANY); 10666983e65eSMilanka Ringwald } 10676983e65eSMilanka Ringwald 10686983e65eSMilanka Ringwald uint8_t avrcp_controller_get_supported_events(uint16_t avrcp_cid){ 10696983e65eSMilanka Ringwald return avrcp_controller_get_capabilities(avrcp_cid, AVRCP_CAPABILITY_ID_EVENT); 10706983e65eSMilanka Ringwald } 10716983e65eSMilanka Ringwald 10726983e65eSMilanka Ringwald 10736983e65eSMilanka Ringwald uint8_t avrcp_controller_play(uint16_t avrcp_cid){ 10746983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0); 10756983e65eSMilanka Ringwald } 10766983e65eSMilanka Ringwald 10776983e65eSMilanka Ringwald uint8_t avrcp_controller_stop(uint16_t avrcp_cid){ 10786983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0); 10796983e65eSMilanka Ringwald } 10806983e65eSMilanka Ringwald 10816983e65eSMilanka Ringwald uint8_t avrcp_controller_pause(uint16_t avrcp_cid){ 10826983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0); 10836983e65eSMilanka Ringwald } 10846983e65eSMilanka Ringwald 10856983e65eSMilanka Ringwald uint8_t avrcp_controller_forward(uint16_t avrcp_cid){ 10866983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0); 10876983e65eSMilanka Ringwald } 10886983e65eSMilanka Ringwald 10896983e65eSMilanka Ringwald uint8_t avrcp_controller_backward(uint16_t avrcp_cid){ 10906983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0); 10916983e65eSMilanka Ringwald } 10926983e65eSMilanka Ringwald 10936983e65eSMilanka Ringwald uint8_t avrcp_controller_volume_up(uint16_t avrcp_cid){ 10946983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0); 10956983e65eSMilanka Ringwald } 10966983e65eSMilanka Ringwald 10976983e65eSMilanka Ringwald uint8_t avrcp_controller_volume_down(uint16_t avrcp_cid){ 10986983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0); 10996983e65eSMilanka Ringwald } 11006983e65eSMilanka Ringwald 11016983e65eSMilanka Ringwald uint8_t avrcp_controller_mute(uint16_t avrcp_cid){ 11026983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0); 11036983e65eSMilanka Ringwald } 11046983e65eSMilanka Ringwald 11056983e65eSMilanka Ringwald uint8_t avrcp_controller_skip(uint16_t avrcp_cid){ 11066983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SKIP, 0); 11076983e65eSMilanka Ringwald } 11086983e65eSMilanka Ringwald 11096983e65eSMilanka Ringwald uint8_t avrcp_controller_fast_forward(uint16_t avrcp_cid){ 11106983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0); 11116983e65eSMilanka Ringwald } 11126983e65eSMilanka Ringwald 11136983e65eSMilanka Ringwald uint8_t avrcp_controller_rewind(uint16_t avrcp_cid){ 11146983e65eSMilanka Ringwald return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0); 11156983e65eSMilanka Ringwald } 11166983e65eSMilanka Ringwald 11176983e65eSMilanka Ringwald 11188c79e168SMilanka Ringwald /* start cmds */ 11198c79e168SMilanka Ringwald 11208c79e168SMilanka Ringwald uint8_t avrcp_controller_release_press_and_hold_cmd(uint16_t avrcp_cid){ 11211945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 11226983e65eSMilanka Ringwald if (!connection){ 11238c79e168SMilanka Ringwald log_error("avrcp_stop_play: could not find a connection."); 11246983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 11256983e65eSMilanka Ringwald } 11266983e65eSMilanka Ringwald if (connection->state != AVCTP_W4_STOP) return ERROR_CODE_COMMAND_DISALLOWED; 11276983e65eSMilanka Ringwald return request_pass_through_release_control_cmd(connection); 11286983e65eSMilanka Ringwald } 11296983e65eSMilanka Ringwald 11308c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_play(uint16_t avrcp_cid){ 11318c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0); 11328c79e168SMilanka Ringwald } 11338c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_stop(uint16_t avrcp_cid){ 11348c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0); 11358c79e168SMilanka Ringwald } 11368c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_pause(uint16_t avrcp_cid){ 11378c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0); 11388c79e168SMilanka Ringwald } 11398c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_forward(uint16_t avrcp_cid){ 11408c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0); 11418c79e168SMilanka Ringwald } 11428c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_backward(uint16_t avrcp_cid){ 11438c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0); 11448c79e168SMilanka Ringwald } 11458c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_fast_forward(uint16_t avrcp_cid){ 11468c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0); 11478c79e168SMilanka Ringwald } 11488c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_rewind(uint16_t avrcp_cid){ 11498c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0); 11508c79e168SMilanka Ringwald } 11518c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_volume_up(uint16_t avrcp_cid){ 11528c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0); 11538c79e168SMilanka Ringwald } 11548c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_volume_down(uint16_t avrcp_cid){ 11558c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0); 11568c79e168SMilanka Ringwald } 11578c79e168SMilanka Ringwald uint8_t avrcp_controller_press_and_hold_mute(uint16_t avrcp_cid){ 11588c79e168SMilanka Ringwald return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0); 11598c79e168SMilanka Ringwald } 11608c79e168SMilanka Ringwald 11618c79e168SMilanka Ringwald 11628c79e168SMilanka Ringwald /* stop continuous cmds */ 11638c79e168SMilanka Ringwald 11646983e65eSMilanka Ringwald uint8_t avrcp_controller_get_play_status(uint16_t avrcp_cid){ 11651945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 11666983e65eSMilanka Ringwald if (!connection){ 11676983e65eSMilanka Ringwald log_error("avrcp_get_play_status: could not find a connection."); 11686983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 11696983e65eSMilanka Ringwald } 11706983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 11716983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 11726983e65eSMilanka Ringwald connection->transaction_label++; 11736983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 11746983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 11756983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 11766983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 11776983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, 0, BT_SIG_COMPANY_ID); 11786983e65eSMilanka Ringwald connection->cmd_operands[3] = AVRCP_PDU_ID_GET_PLAY_STATUS; 11796983e65eSMilanka Ringwald connection->cmd_operands[4] = 0; // reserved(upper 6) | packet_type -> 0 11806983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, 5, 0); // parameter length 11816983e65eSMilanka Ringwald connection->cmd_operands_length = 7; 11826983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 11836983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 11846983e65eSMilanka Ringwald } 11856983e65eSMilanka Ringwald 11866983e65eSMilanka Ringwald uint8_t avrcp_controller_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){ 11871945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 11886983e65eSMilanka Ringwald if (!connection){ 11896983e65eSMilanka Ringwald log_error("avrcp_get_play_status: could not find a connection."); 11906983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 11916983e65eSMilanka Ringwald } 11926983e65eSMilanka Ringwald avrcp_register_notification(connection, event_id); 11936983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 11946983e65eSMilanka Ringwald } 11956983e65eSMilanka Ringwald 11966983e65eSMilanka Ringwald uint8_t avrcp_controller_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){ 11971945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 11986983e65eSMilanka Ringwald if (!connection){ 11996983e65eSMilanka Ringwald log_error("avrcp_get_play_status: could not find a connection."); 12006983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 12016983e65eSMilanka Ringwald } 12026983e65eSMilanka Ringwald connection->notifications_to_deregister |= (1 << event_id); 12036983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 12046983e65eSMilanka Ringwald } 12056983e65eSMilanka Ringwald 1206864d08b0SMilanka Ringwald uint8_t avrcp_controller_set_addressed_player(uint16_t avrcp_cid, uint16_t addressed_player_id){ 12071945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 1208864d08b0SMilanka Ringwald if (!connection){ 1209864d08b0SMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 1210864d08b0SMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1211864d08b0SMilanka Ringwald } 1212864d08b0SMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 1213864d08b0SMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 1214864d08b0SMilanka Ringwald 1215864d08b0SMilanka Ringwald connection->transaction_label++; 1216864d08b0SMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 1217864d08b0SMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 1218864d08b0SMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 1219864d08b0SMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 1220864d08b0SMilanka Ringwald int pos = 0; 1221864d08b0SMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 1222864d08b0SMilanka Ringwald pos += 3; 1223864d08b0SMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_SET_ADDRESSED_PLAYER; // PDU ID 1224864d08b0SMilanka Ringwald connection->cmd_operands[pos++] = 0; 1225864d08b0SMilanka Ringwald 1226864d08b0SMilanka Ringwald // Parameter Length 1227864d08b0SMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 2); 1228864d08b0SMilanka Ringwald pos += 2; 1229864d08b0SMilanka Ringwald 1230864d08b0SMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, addressed_player_id); 1231864d08b0SMilanka Ringwald pos += 2; 1232864d08b0SMilanka Ringwald 1233864d08b0SMilanka Ringwald connection->cmd_operands_length = pos; 1234864d08b0SMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1235864d08b0SMilanka Ringwald return ERROR_CODE_SUCCESS; 1236864d08b0SMilanka Ringwald } 12371bf7a74fSMilanka Ringwald 12386983e65eSMilanka Ringwald uint8_t avrcp_controller_get_now_playing_info(uint16_t avrcp_cid){ 12391945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 12406983e65eSMilanka Ringwald if (!connection){ 12416983e65eSMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 12426983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 12436983e65eSMilanka Ringwald } 12446983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 12456983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 12466983e65eSMilanka Ringwald 12476983e65eSMilanka Ringwald connection->transaction_label++; 12486983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 12496983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 12506983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 12516983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 12526983e65eSMilanka Ringwald int pos = 0; 12536983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 12546983e65eSMilanka Ringwald pos += 3; 12556983e65eSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES; // PDU ID 12566983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 0; 12576983e65eSMilanka Ringwald 12586983e65eSMilanka Ringwald // Parameter Length 12596983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 9); 12606983e65eSMilanka Ringwald pos += 2; 12616983e65eSMilanka Ringwald 12626983e65eSMilanka Ringwald // write 8 bytes value 12636983e65eSMilanka Ringwald memset(connection->cmd_operands + pos, 0, 8); // identifier: PLAYING 12646983e65eSMilanka Ringwald pos += 8; 12656983e65eSMilanka Ringwald 12666983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 0; // attribute count, if 0 get all attributes 12676983e65eSMilanka Ringwald // every attribute is 4 bytes long 12686983e65eSMilanka Ringwald 12696983e65eSMilanka Ringwald connection->cmd_operands_length = pos; 12706983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 12716983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 12726983e65eSMilanka Ringwald } 12736983e65eSMilanka Ringwald 12746983e65eSMilanka Ringwald uint8_t avrcp_controller_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume){ 12751945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 12766983e65eSMilanka Ringwald if (!connection){ 12776983e65eSMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 12786983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 12796983e65eSMilanka Ringwald } 12806983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 12816983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 12826983e65eSMilanka Ringwald 12836983e65eSMilanka Ringwald connection->transaction_label++; 12846983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 12856983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 12866983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 12876983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 12886983e65eSMilanka Ringwald int pos = 0; 12896983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 12906983e65eSMilanka Ringwald pos += 3; 12916983e65eSMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME; // PDU ID 12926983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 0; 12936983e65eSMilanka Ringwald 12946983e65eSMilanka Ringwald // Parameter Length 12956983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 1); 12966983e65eSMilanka Ringwald pos += 2; 12976983e65eSMilanka Ringwald connection->cmd_operands[pos++] = volume; 12986983e65eSMilanka Ringwald 12996983e65eSMilanka Ringwald connection->cmd_operands_length = pos; 13006983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 13016983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 13026983e65eSMilanka Ringwald } 13036983e65eSMilanka Ringwald 13046983e65eSMilanka Ringwald uint8_t avrcp_controller_query_shuffle_and_repeat_modes(uint16_t avrcp_cid){ 13051945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 13066983e65eSMilanka Ringwald if (!connection){ 13076983e65eSMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 13086983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 13096983e65eSMilanka Ringwald } 13106983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 13116983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 13126983e65eSMilanka Ringwald 13136983e65eSMilanka Ringwald connection->transaction_label++; 13146983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 13156983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_STATUS; 13166983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 13176983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 13186983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, 0, BT_SIG_COMPANY_ID); 131908485fc4SMilanka Ringwald connection->cmd_operands[3] = AVRCP_PDU_ID_GET_CURRENT_PLAYER_APPLICATION_SETTING_VALUE; // PDU ID 13206983e65eSMilanka Ringwald connection->cmd_operands[4] = 0; 13216983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, 5, 5); // parameter length 13226983e65eSMilanka Ringwald connection->cmd_operands[7] = 4; // NumPlayerApplicationSettingAttributeID 13236983e65eSMilanka Ringwald // PlayerApplicationSettingAttributeID1 AVRCP Spec, Appendix F, 133 13246983e65eSMilanka Ringwald connection->cmd_operands[8] = 0x01; // equalizer (1-OFF, 2-ON) 13256983e65eSMilanka Ringwald connection->cmd_operands[9] = 0x02; // repeat (1-off, 2-single track, 3-all tracks, 4-group repeat) 13266983e65eSMilanka Ringwald connection->cmd_operands[10] = 0x03; // shuffle (1-off, 2-all tracks, 3-group shuffle) 13276983e65eSMilanka Ringwald connection->cmd_operands[11] = 0x04; // scan (1-off, 2-all tracks, 3-group scan) 13286983e65eSMilanka Ringwald connection->cmd_operands_length = 12; 13296983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 13306983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 13316983e65eSMilanka Ringwald } 13326983e65eSMilanka Ringwald 13336983e65eSMilanka Ringwald static uint8_t avrcp_controller_set_current_player_application_setting_value(uint16_t avrcp_cid, uint8_t attr_id, uint8_t attr_value){ 13341945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 13356983e65eSMilanka Ringwald if (!connection){ 13366983e65eSMilanka Ringwald log_error("avrcp_get_capabilities: could not find a connection."); 13376983e65eSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 13386983e65eSMilanka Ringwald } 13396983e65eSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 13406983e65eSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 13416983e65eSMilanka Ringwald 13426983e65eSMilanka Ringwald connection->transaction_label++; 13436983e65eSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 13446983e65eSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 13456983e65eSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 13466983e65eSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 13476983e65eSMilanka Ringwald int pos = 0; 13486983e65eSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 13496983e65eSMilanka Ringwald pos += 3; 135008485fc4SMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_SET_PLAYER_APPLICATION_SETTING_VALUE; // PDU ID 13516983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 0; 13526983e65eSMilanka Ringwald // Parameter Length 13536983e65eSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 3); 13546983e65eSMilanka Ringwald pos += 2; 13556983e65eSMilanka Ringwald connection->cmd_operands[pos++] = 2; 13566983e65eSMilanka Ringwald connection->cmd_operands_length = pos; 13576983e65eSMilanka Ringwald connection->cmd_operands[pos++] = attr_id; 13586983e65eSMilanka Ringwald connection->cmd_operands[pos++] = attr_value; 13596983e65eSMilanka Ringwald connection->cmd_operands_length = pos; 13606983e65eSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 13616983e65eSMilanka Ringwald return ERROR_CODE_SUCCESS; 13626983e65eSMilanka Ringwald } 13636983e65eSMilanka Ringwald 13646983e65eSMilanka Ringwald uint8_t avrcp_controller_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode){ 13650e588213SMatthias Ringwald if ((mode < AVRCP_SHUFFLE_MODE_OFF) || (mode > AVRCP_SHUFFLE_MODE_GROUP)) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE; 13666983e65eSMilanka Ringwald return avrcp_controller_set_current_player_application_setting_value(avrcp_cid, 0x03, mode); 13676983e65eSMilanka Ringwald } 13686983e65eSMilanka Ringwald 13696983e65eSMilanka Ringwald uint8_t avrcp_controller_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode){ 13700e588213SMatthias Ringwald if ((mode < AVRCP_REPEAT_MODE_OFF) || (mode > AVRCP_REPEAT_MODE_GROUP)) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE; 13716983e65eSMilanka Ringwald return avrcp_controller_set_current_player_application_setting_value(avrcp_cid, 0x02, mode); 13726983e65eSMilanka Ringwald } 13736983e65eSMilanka Ringwald 13744614c049SMilanka Ringwald uint8_t avrcp_controller_play_item_for_scope(uint16_t avrcp_cid, uint8_t * uid, uint16_t uid_counter, avrcp_browsing_scope_t scope){ 13751945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 1376be65baf4SMilanka Ringwald if (!connection){ 13774931e24aSMilanka Ringwald log_error("Could not find a connection with cid 0%02x.", avrcp_cid); 1378be65baf4SMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1379be65baf4SMilanka Ringwald } 13804931e24aSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED){ 13814931e24aSMilanka Ringwald log_error("Connection in wrong state, expected %d, received %d", AVCTP_CONNECTION_OPENED, connection->state); 13824931e24aSMilanka Ringwald return ERROR_CODE_COMMAND_DISALLOWED; 13834931e24aSMilanka Ringwald } 1384be65baf4SMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 1385be65baf4SMilanka Ringwald 1386be65baf4SMilanka Ringwald connection->transaction_label++; 1387be65baf4SMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 1388be65baf4SMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 1389be65baf4SMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 1390be65baf4SMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 1391be65baf4SMilanka Ringwald int pos = 0; 1392be65baf4SMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 1393be65baf4SMilanka Ringwald pos += 3; 1394be65baf4SMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_PLAY_ITEM; // PDU ID 1395be65baf4SMilanka Ringwald // reserved 1396be65baf4SMilanka Ringwald connection->cmd_operands[pos++] = 0; 1397be65baf4SMilanka Ringwald // Parameter Length 1398be65baf4SMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 11); 1399be65baf4SMilanka Ringwald pos += 2; 1400be65baf4SMilanka Ringwald connection->cmd_operands[pos++] = scope; 1401be65baf4SMilanka Ringwald memset(&connection->cmd_operands[pos], 0, 8); 1402be65baf4SMilanka Ringwald if (uid){ 14036535961aSMatthias Ringwald (void)memcpy(&connection->cmd_operands[pos], uid, 8); 1404be65baf4SMilanka Ringwald } 1405be65baf4SMilanka Ringwald pos += 8; 1406be65baf4SMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, uid_counter); 1407be65baf4SMilanka Ringwald pos += 2; 1408be65baf4SMilanka Ringwald connection->cmd_operands_length = pos; 1409be65baf4SMilanka Ringwald 1410be65baf4SMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1411be65baf4SMilanka Ringwald return ERROR_CODE_SUCCESS; 1412be65baf4SMilanka Ringwald } 14138b2b4034SMilanka Ringwald 14144931e24aSMilanka Ringwald uint8_t avrcp_controller_add_item_from_scope_to_now_playing_list(uint16_t avrcp_cid, uint8_t * uid, uint16_t uid_counter, avrcp_browsing_scope_t scope){ 14151945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 14164931e24aSMilanka Ringwald if (!connection){ 14174931e24aSMilanka Ringwald log_error("Could not find a connection with cid 0%02x.", avrcp_cid); 14184931e24aSMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 14194931e24aSMilanka Ringwald } 14204931e24aSMilanka Ringwald if (connection->state != AVCTP_CONNECTION_OPENED){ 14214931e24aSMilanka Ringwald log_error("Connection in wrong state, expected %d, received %d", AVCTP_CONNECTION_OPENED, connection->state); 14224931e24aSMilanka Ringwald return ERROR_CODE_COMMAND_DISALLOWED; 14234931e24aSMilanka Ringwald } 14244931e24aSMilanka Ringwald connection->state = AVCTP_W2_SEND_COMMAND; 14254931e24aSMilanka Ringwald 14264931e24aSMilanka Ringwald connection->transaction_label++; 14274931e24aSMilanka Ringwald connection->command_type = AVRCP_CTYPE_CONTROL; 14284931e24aSMilanka Ringwald connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL; 14294931e24aSMilanka Ringwald connection->subunit_id = AVRCP_SUBUNIT_ID; 14304931e24aSMilanka Ringwald connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT; 14314931e24aSMilanka Ringwald int pos = 0; 14324931e24aSMilanka Ringwald big_endian_store_24(connection->cmd_operands, pos, BT_SIG_COMPANY_ID); 14334931e24aSMilanka Ringwald pos += 3; 14347f803253SMilanka Ringwald connection->cmd_operands[pos++] = AVRCP_PDU_ID_ADD_TO_NOW_PLAYING; // PDU ID 14354931e24aSMilanka Ringwald // reserved 14364931e24aSMilanka Ringwald connection->cmd_operands[pos++] = 0; 14374931e24aSMilanka Ringwald // Parameter Length 14384931e24aSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, 11); 14394931e24aSMilanka Ringwald pos += 2; 14404931e24aSMilanka Ringwald connection->cmd_operands[pos++] = scope; 14414931e24aSMilanka Ringwald memset(&connection->cmd_operands[pos], 0, 8); 14424931e24aSMilanka Ringwald if (uid){ 14436535961aSMatthias Ringwald (void)memcpy(&connection->cmd_operands[pos], uid, 8); 14444931e24aSMilanka Ringwald } 14454931e24aSMilanka Ringwald pos += 8; 14464931e24aSMilanka Ringwald big_endian_store_16(connection->cmd_operands, pos, uid_counter); 14474931e24aSMilanka Ringwald pos += 2; 14484931e24aSMilanka Ringwald connection->cmd_operands_length = pos; 14494931e24aSMilanka Ringwald 14504931e24aSMilanka Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 14514931e24aSMilanka Ringwald return ERROR_CODE_SUCCESS; 14524931e24aSMilanka Ringwald } 14534931e24aSMilanka Ringwald 14548b2b4034SMilanka Ringwald uint8_t avrcp_controller_set_max_num_fragments(uint16_t avrcp_cid, uint8_t max_num_fragments){ 14551945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 14568b2b4034SMilanka Ringwald if (!connection){ 14578b2b4034SMilanka Ringwald log_error("avrcp_controller_play_item: could not find a connection."); 14588b2b4034SMilanka Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 14598b2b4034SMilanka Ringwald } 14608b2b4034SMilanka Ringwald connection->max_num_fragments = max_num_fragments; 14618b2b4034SMilanka Ringwald return ERROR_CODE_SUCCESS; 14628b2b4034SMilanka Ringwald } 1463c4b5c3d5SMatthias Ringwald 1464c4b5c3d5SMatthias Ringwald uint8_t avrcp_controller_send_custom_command(uint16_t avrcp_cid, avrcp_command_type_t command_type, avrcp_subunit_type_t subunit_type, avrcp_subunit_id_t subunit_id, avrcp_command_opcode_t command_opcode, const uint8_t * command_buffer, uint16_t command_len){ 14651945fe3eSMilanka Ringwald avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid); 1466c4b5c3d5SMatthias Ringwald if (!connection){ 1467c4b5c3d5SMatthias Ringwald log_error("avrcp_controller_play_item: could not find a connection."); 1468c4b5c3d5SMatthias Ringwald return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER; 1469c4b5c3d5SMatthias Ringwald } 1470c4b5c3d5SMatthias Ringwald 1471c4b5c3d5SMatthias Ringwald if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED; 1472c4b5c3d5SMatthias Ringwald connection->state = AVCTP_W2_SEND_FRAGMENTED_COMMAND; 1473c4b5c3d5SMatthias Ringwald 1474c4b5c3d5SMatthias Ringwald connection->transaction_label++; 1475c4b5c3d5SMatthias Ringwald connection->command_opcode = command_opcode; 1476c4b5c3d5SMatthias Ringwald connection->command_type = command_type; 1477c4b5c3d5SMatthias Ringwald connection->subunit_type = subunit_type; 1478c4b5c3d5SMatthias Ringwald connection->subunit_id = subunit_id; 1479c4b5c3d5SMatthias Ringwald connection->cmd_operands_fragmented_buffer = command_buffer; 1480c4b5c3d5SMatthias Ringwald connection->cmd_operands_fragmented_pos = 0; 1481c4b5c3d5SMatthias Ringwald connection->cmd_operands_fragmented_len = command_len; 1482c4b5c3d5SMatthias Ringwald 1483c4b5c3d5SMatthias Ringwald avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid); 1484c4b5c3d5SMatthias Ringwald return ERROR_CODE_SUCCESS; 1485c4b5c3d5SMatthias Ringwald } 1486