mirror of
https://github.com/bluekitchen/btstack.git
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2269 lines
102 KiB
C
2269 lines
102 KiB
C
/*
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* Copyright (C) 2016 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
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* GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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#define BTSTACK_FILE__ "avrcp_controller.c"
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#include <stdint.h>
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#include <string.h>
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#include <inttypes.h>
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#include "classic/avrcp.h"
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#include "classic/avrcp_controller.h"
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#include "bluetooth_sdp.h"
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#include "btstack_debug.h"
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#include "btstack_event.h"
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static const char * avrcp_default_controller_service_name = "AVRCP Controller";
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static const char * avrcp_default_controller_service_provider_name = "BlueKitchen";
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// made public in avrcp_controller.h
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avrcp_context_t avrcp_controller_context;
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static uint8_t avrcp_controller_calc_next_transaction_label(uint8_t current_transaction_label){
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current_transaction_label++;
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if (current_transaction_label == 16){
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current_transaction_label = 1;
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}
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return current_transaction_label;
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}
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static uint8_t avrcp_controller_get_next_transaction_label(avrcp_connection_t * connection){
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connection->transaction_id_counter = avrcp_controller_calc_next_transaction_label(connection->transaction_id_counter);
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return connection->transaction_id_counter;
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}
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static bool avrcp_controller_is_transaction_id_valid(avrcp_connection_t * connection, uint8_t transaction_id){
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uint8_t delta = ((int8_t) transaction_id - connection->controller_last_confirmed_transaction_id) & 0x0f;
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return delta < 15;
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}
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static void avrcp_controller_custom_command_data_init(avrcp_connection_t * connection,
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avrcp_command_opcode_t opcode, avrcp_command_type_t command_type,
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avrcp_subunit_type_t subunit_type, avrcp_subunit_id_t subunit_id,
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avrcp_pdu_id_t pdu_id, uint32_t company_id){
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connection->transaction_id = avrcp_controller_get_next_transaction_label(connection);
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connection->command_opcode = opcode;
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connection->command_type = command_type;
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connection->subunit_type = subunit_type;
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connection->subunit_id = subunit_id;
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connection->company_id = company_id;
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connection->pdu_id = pdu_id;
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connection->operation_id = AVRCP_OPERATION_ID_INVALID;
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connection->data = NULL;
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connection->data_offset = 0;
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connection->data_len = 0;
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}
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static void avrcp_controller_vendor_dependent_command_data_init(avrcp_connection_t * connection, avrcp_command_type_t command_type, avrcp_pdu_id_t pdu_id, bool get_next_transaction_label){
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if (get_next_transaction_label){
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connection->transaction_id = avrcp_controller_get_next_transaction_label(connection);
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}
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connection->operation_id = AVRCP_OPERATION_ID_INVALID;
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connection->command_opcode = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT;
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connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL;
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connection->subunit_id = AVRCP_SUBUNIT_ID;
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connection->company_id = BT_SIG_COMPANY_ID;
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connection->command_type = command_type;
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connection->pdu_id = pdu_id;
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connection->data = connection->message_body;
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connection->data_offset = 0;
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connection->data_len = 0;
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}
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static void avrcp_controller_pass_through_command_data_init(avrcp_connection_t * connection, avrcp_operation_id_t opid){
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connection->transaction_id = avrcp_controller_get_next_transaction_label(connection);
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connection->command_opcode = AVRCP_CMD_OPCODE_PASS_THROUGH;
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connection->command_type = AVRCP_CTYPE_CONTROL;
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connection->subunit_type = AVRCP_SUBUNIT_TYPE_PANEL;
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connection->subunit_id = AVRCP_SUBUNIT_ID;
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connection->company_id = 0;
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connection->pdu_id = AVRCP_PDU_ID_UNDEFINED;
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connection->operation_id = opid;
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connection->data = connection->message_body;
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connection->data_offset = 0;
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connection->data_len = 0;
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}
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static int avrcp_controller_supports_browsing(uint16_t controller_supported_features){
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return controller_supported_features & AVRCP_FEATURE_MASK_BROWSING;
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}
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static void avrcp_controller_prepare_custom_command_response(avrcp_connection_t * connection, uint16_t response_len, uint8_t * in_place_buffer){
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uint8_t pos = 0;
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in_place_buffer[pos++] = HCI_EVENT_AVRCP_META;
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// skip len
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pos++;
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in_place_buffer[pos++] = AVRCP_SUBEVENT_CUSTOM_COMMAND_RESPONSE;
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little_endian_store_16(in_place_buffer, pos, connection->avrcp_cid);
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pos += 2;
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in_place_buffer[pos++] = (uint8_t)connection->command_type;
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in_place_buffer[pos++] = (uint8_t)connection->pdu_id;
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little_endian_store_16(in_place_buffer, pos, response_len);
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pos += 2;
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in_place_buffer[1] = pos + response_len - 2;
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}
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static void avrcp_controller_emit_notification_complete(avrcp_connection_t * connection, uint8_t status, uint8_t event_id, bool enabled){
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uint8_t event[8];
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uint8_t pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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event[pos++] = sizeof(event) - 2;
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event[pos++] = AVRCP_SUBEVENT_NOTIFICATION_STATE;
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little_endian_store_16(event, pos, connection->avrcp_cid);
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pos += 2;
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event[pos++] = status;
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event[pos++] = enabled ? 1 : 0;
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event[pos++] = event_id;
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UNUSED(pos);
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
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}
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static void avrcp_controller_emit_supported_events(avrcp_connection_t * connection){
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uint8_t ctype = (uint8_t) AVRCP_CTYPE_RESPONSE_CHANGED_STABLE;
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uint8_t event_id;
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for (event_id = (uint8_t) AVRCP_NOTIFICATION_EVENT_FIRST_INDEX; event_id < (uint8_t) AVRCP_NOTIFICATION_EVENT_LAST_INDEX; event_id++){
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if ((connection->notifications_supported_by_target & (1 << event_id)) == 0){
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continue;
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}
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uint8_t event[8];
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uint8_t pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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event[pos++] = sizeof(event) - 2;
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event[pos++] = AVRCP_SUBEVENT_GET_CAPABILITY_EVENT_ID;
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little_endian_store_16(event, pos, connection->avrcp_cid);
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pos += 2;
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event[pos++] = ctype;
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event[pos++] = 0;
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event[pos++] = event_id;
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UNUSED(pos);
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
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}
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uint8_t event[7];
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uint8_t pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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event[pos++] = sizeof(event) - 2;
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event[pos++] = AVRCP_SUBEVENT_GET_CAPABILITY_EVENT_ID_DONE;
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little_endian_store_16(event, pos, connection->avrcp_cid);
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pos += 2;
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event[pos++] = ctype;
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event[pos++] = 0;
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UNUSED(pos);
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
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}
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static void avrcp_controller_emit_notification_for_event_id(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id,
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avrcp_command_type_t ctype, const uint8_t *payload,
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uint16_t size) {
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switch (event_id){
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case AVRCP_NOTIFICATION_EVENT_PLAYBACK_POS_CHANGED:{
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if (size < 4) break;
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uint32_t song_position = big_endian_read_32(payload, 0);
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uint16_t offset = 0;
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uint8_t event[10];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_POS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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little_endian_store_32(event, offset, song_position);
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offset += 4;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED:{
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if (size < 1) break;
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uint16_t offset = 0;
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uint8_t event[7];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_STATUS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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event[offset++] = payload[0];
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED:{
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uint16_t offset = 0;
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uint8_t event[6];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_TRACK_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED:{
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uint16_t offset = 0;
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uint8_t event[6];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_NOW_PLAYING_CONTENT_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED:{
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uint16_t offset = 0;
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uint8_t event[6];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_AVAILABLE_PLAYERS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED:{
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if (size < 1) break;
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uint16_t offset = 0;
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uint8_t event[7];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_VOLUME_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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event[offset++] = payload[0] & 0x7F;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_UIDS_CHANGED:{
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if (size < 2) break;
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uint8_t event[8];
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uint16_t offset = 0;
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uint16_t uuid = big_endian_read_16(payload, 0);
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_UIDS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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little_endian_store_16(event, offset, uuid);
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offset += 2;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_END:{
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uint16_t offset = 0;
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uint8_t event[6];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_TRACK_REACHED_END;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_START:{
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uint16_t offset = 0;
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uint8_t event[6];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_TRACK_REACHED_START;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_BATT_STATUS_CHANGED:{
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if (size < 1) break;
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uint16_t offset = 0;
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uint8_t event[7];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_BATT_STATUS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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event[offset++] = payload[0];
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED:{
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if (size < 1) break;
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uint16_t offset = 0;
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uint8_t event[7];
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event[offset++] = HCI_EVENT_AVRCP_META;
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event[offset++] = sizeof(event) - 2;
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event[offset++] = AVRCP_SUBEVENT_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED;
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little_endian_store_16(event, offset, avrcp_cid);
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offset += 2;
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event[offset++] = ctype;
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event[offset++] = payload[0];
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(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
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break;
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}
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case AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED:
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default:
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log_info("avrcp: not implemented");
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break;
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}
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}
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static void avrcp_controller_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){
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btstack_assert(callback != NULL);
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uint8_t event[8];
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int pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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event[pos++] = sizeof(event) - 2;
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event[pos++] = AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE;
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little_endian_store_16(event, pos, avrcp_cid);
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pos += 2;
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event[pos++] = ctype;
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event[pos++] = repeat_mode;
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event[pos++] = shuffle_mode;
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(*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
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}
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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){
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uint8_t event[7];
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int pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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event[pos++] = sizeof(event) - 2;
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event[pos++] = AVRCP_SUBEVENT_NOW_PLAYING_INFO_DONE;
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little_endian_store_16(event, pos, avrcp_cid);
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pos += 2;
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event[pos++] = ctype;
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event[pos++] = status;
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(*callback)(HCI_EVENT_PACKET, 0, event, pos);
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}
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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){
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uint8_t event[HCI_EVENT_BUFFER_SIZE];
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uint16_t pos = 0;
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event[pos++] = HCI_EVENT_AVRCP_META;
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// reserve one byte for subevent type and data len
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uint16_t data_len_pos = pos;
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pos++;
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uint16_t subevent_type_pos = pos;
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pos++;
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little_endian_store_16(event, pos, avrcp_cid);
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pos += 2;
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event[pos++] = ctype;
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switch (attr_id){
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case AVRCP_MEDIA_ATTR_TITLE:
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event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TITLE_INFO;
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btstack_assert(value_len <= 255);
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event[pos++] = (uint8_t) value_len;
|
|
(void)memcpy(event + pos, value, value_len);
|
|
break;
|
|
case AVRCP_MEDIA_ATTR_ARTIST:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_ARTIST_INFO;
|
|
btstack_assert(value_len <= 255);
|
|
event[pos++] = (uint8_t) value_len;
|
|
(void)memcpy(event + pos, value, value_len);
|
|
break;
|
|
case AVRCP_MEDIA_ATTR_ALBUM:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_ALBUM_INFO;
|
|
btstack_assert(value_len <= 255);
|
|
event[pos++] = (uint8_t) value_len;
|
|
(void)memcpy(event + pos, value, value_len);
|
|
break;
|
|
case AVRCP_MEDIA_ATTR_GENRE:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_GENRE_INFO;
|
|
btstack_assert(value_len <= 255);
|
|
event[pos++] = (uint8_t) value_len;
|
|
(void)memcpy(event + pos, value, value_len);
|
|
break;
|
|
#ifdef ENABLE_AVRCP_COVER_ART
|
|
case AVRCP_MEDIA_ATTR_DEFAULT_COVER_ART:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_COVER_ART_INFO;
|
|
btstack_assert(value_len <= 255);
|
|
event[pos++] = (uint8_t) value_len;
|
|
(void)memcpy(event + pos, value, value_len);
|
|
break;
|
|
#endif
|
|
case AVRCP_MEDIA_ATTR_SONG_LENGTH_MS:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_SONG_LENGTH_MS_INFO;
|
|
if (value){
|
|
little_endian_store_32(event, pos, btstack_atoi((char *)value));
|
|
} else {
|
|
little_endian_store_32(event, pos, 0);
|
|
}
|
|
pos += 4;
|
|
break;
|
|
case AVRCP_MEDIA_ATTR_TRACK:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TRACK_INFO;
|
|
if (value){
|
|
event[pos++] = btstack_atoi((char *)value);
|
|
} else {
|
|
event[pos++] = 0;
|
|
}
|
|
break;
|
|
case AVRCP_MEDIA_ATTR_TOTAL_NUM_ITEMS:
|
|
event[subevent_type_pos] = AVRCP_SUBEVENT_NOW_PLAYING_TOTAL_TRACKS_INFO;
|
|
if (value){
|
|
event[pos++] = btstack_atoi((char *)value);
|
|
} else {
|
|
event[pos++] = 0;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
event[data_len_pos] = pos - 2;
|
|
(*callback)(HCI_EVENT_PACKET, 0, event, pos);
|
|
}
|
|
|
|
static void avrcp_controller_emit_operation_start(btstack_packet_handler_t callback, uint16_t avrcp_cid, uint8_t ctype, uint8_t operation_id){
|
|
btstack_assert(callback != NULL);
|
|
|
|
uint8_t event[7];
|
|
int pos = 0;
|
|
event[pos++] = HCI_EVENT_AVRCP_META;
|
|
event[pos++] = sizeof(event) - 2;
|
|
event[pos++] = AVRCP_SUBEVENT_OPERATION_START;
|
|
little_endian_store_16(event, pos, avrcp_cid);
|
|
pos += 2;
|
|
event[pos++] = ctype;
|
|
event[pos++] = operation_id;
|
|
(*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
|
|
}
|
|
|
|
static void avrcp_controller_emit_operation_complete(btstack_packet_handler_t callback, avrcp_connection_t * connection, avrcp_command_type_t ctype, avrcp_operation_id_t operation_id, uint8_t status){
|
|
btstack_assert(callback != NULL);
|
|
btstack_assert(connection != NULL);
|
|
|
|
uint8_t event[10];
|
|
int pos = 0;
|
|
event[pos++] = HCI_EVENT_AVRCP_META;
|
|
event[pos++] = sizeof(event) - 2;
|
|
event[pos++] = AVRCP_SUBEVENT_OPERATION_COMPLETE;
|
|
little_endian_store_16(event, pos, connection->avrcp_cid);
|
|
pos += 2;
|
|
event[pos++] = (uint8_t) ctype;
|
|
event[pos++] = (uint8_t) connection->command_opcode;
|
|
event[pos++] = (uint8_t) connection->pdu_id;
|
|
event[pos++] = (uint8_t) operation_id;
|
|
event[pos++] = status;
|
|
(*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
|
|
}
|
|
static void avrcp_parser_reset(avrcp_connection_t * connection){
|
|
connection->list_offset = 0;
|
|
connection->parser_attribute_header_pos = 0;
|
|
connection->controller_num_received_fragments = 0;
|
|
connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_HEADER;
|
|
}
|
|
|
|
static void avrcp_parser_process_byte(uint8_t byte, avrcp_connection_t * connection, avrcp_command_type_t ctype){
|
|
uint16_t attribute_total_value_len;
|
|
uint32_t attribute_id;
|
|
switch(connection->parser_state){
|
|
case AVRCP_PARSER_GET_ATTRIBUTE_HEADER:
|
|
connection->parser_attribute_header[connection->parser_attribute_header_pos++] = byte;
|
|
connection->list_offset++;
|
|
|
|
if (connection->parser_attribute_header_pos < AVRCP_ATTRIBUTE_HEADER_LEN) return;
|
|
|
|
attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6);
|
|
connection->attribute_value_len = btstack_min(attribute_total_value_len, AVRCP_MAX_ATTRIBUTE_SIZE);
|
|
if (connection->attribute_value_len > 0){
|
|
// get ready for attribute value
|
|
connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_VALUE;
|
|
return;
|
|
}
|
|
|
|
// emit empty attribute
|
|
attribute_id = big_endian_read_32(connection->parser_attribute_header, 0);
|
|
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);
|
|
|
|
// done, see below
|
|
break;
|
|
|
|
case AVRCP_PARSER_GET_ATTRIBUTE_VALUE:
|
|
connection->attribute_value[connection->attribute_value_offset++] = byte;
|
|
connection->list_offset++;
|
|
|
|
if (connection->attribute_value_offset < connection->attribute_value_len) return;
|
|
|
|
// emit (potentially partial) attribute
|
|
attribute_id = big_endian_read_32(connection->parser_attribute_header, 0);
|
|
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);
|
|
|
|
attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6);
|
|
if (connection->attribute_value_offset < attribute_total_value_len){
|
|
// ignore rest of attribute
|
|
connection->parser_state = AVRCP_PARSER_IGNORE_REST_OF_ATTRIBUTE_VALUE;
|
|
return;
|
|
}
|
|
|
|
// done, see below
|
|
break;
|
|
|
|
case AVRCP_PARSER_IGNORE_REST_OF_ATTRIBUTE_VALUE:
|
|
connection->attribute_value_offset++;
|
|
connection->list_offset++;
|
|
|
|
attribute_total_value_len = big_endian_read_16(connection->parser_attribute_header, 6);
|
|
if (connection->attribute_value_offset < attribute_total_value_len) return;
|
|
|
|
// done, see below
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
// attribute fully read, check if more to come
|
|
if (connection->list_offset < connection->list_size){
|
|
// more to come, reset parser
|
|
connection->parser_state = AVRCP_PARSER_GET_ATTRIBUTE_HEADER;
|
|
connection->parser_attribute_header_pos = 0;
|
|
connection->attribute_value_offset = 0;
|
|
} else {
|
|
// fully done
|
|
avrcp_parser_reset(connection);
|
|
avrcp_controller_emit_now_playing_info_event_done(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, 0);
|
|
}
|
|
}
|
|
|
|
static void avrcp_controller_parse_and_emit_element_attrs(uint8_t * packet, uint16_t num_bytes_to_read, avrcp_connection_t * connection, avrcp_command_type_t ctype){
|
|
int i;
|
|
for (i=0;i<num_bytes_to_read;i++){
|
|
avrcp_parser_process_byte(packet[i], connection, ctype);
|
|
}
|
|
}
|
|
|
|
static void avrcp_send_cmd_with_avctp_fragmentation(avrcp_connection_t * connection){
|
|
l2cap_reserve_packet_buffer();
|
|
uint8_t * packet = l2cap_get_outgoing_buffer();
|
|
|
|
uint16_t max_payload_size;
|
|
connection->avctp_packet_type = avctp_get_packet_type(connection, &max_payload_size);
|
|
connection->avrcp_packet_type = avrcp_get_packet_type(connection);
|
|
|
|
// non-fragmented: transport header (1) + PID (2)
|
|
// fragmented: transport header (1) + num packets (1) + PID (2)
|
|
|
|
uint16_t param_len = connection->data_len;
|
|
// AVCTP header
|
|
// transport header : transaction label | Packet_type | C/R | IPID (1 == invalid profile identifier)
|
|
uint16_t pos = 0;
|
|
packet[pos++] = (connection->transaction_id << 4) | (connection->avctp_packet_type << 2) | (AVRCP_COMMAND_FRAME << 1) | 0;
|
|
|
|
if (connection->avctp_packet_type == AVCTP_START_PACKET){
|
|
uint16_t max_frame_size = btstack_min(connection->l2cap_mtu, AVRCP_MAX_AV_C_MESSAGE_FRAME_SIZE);
|
|
// first packet: max_payload_size
|
|
// rest packets
|
|
uint16_t num_payload_bytes = param_len - max_payload_size;
|
|
uint16_t frame_size_for_continue_packet = max_frame_size - avctp_get_num_bytes_for_header(AVCTP_CONTINUE_PACKET);
|
|
uint16_t num_avctp_packets = (num_payload_bytes + frame_size_for_continue_packet - 1)/frame_size_for_continue_packet + 1;
|
|
btstack_assert(num_avctp_packets <= 255);
|
|
packet[pos++] = (uint8_t) num_avctp_packets;
|
|
}
|
|
|
|
switch (connection->avctp_packet_type){
|
|
case AVCTP_SINGLE_PACKET:
|
|
case AVCTP_START_PACKET:
|
|
connection->data_offset = 0;
|
|
// Profile IDentifier (PID)
|
|
packet[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL >> 8;
|
|
packet[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL & 0x00FF;
|
|
|
|
// command_type
|
|
packet[pos++] = connection->command_type;
|
|
// subunit_type | subunit ID
|
|
packet[pos++] = (connection->subunit_type << 3) | connection->subunit_id;
|
|
// opcode
|
|
packet[pos++] = (uint8_t)connection->command_opcode;
|
|
|
|
switch (connection->command_opcode){
|
|
case AVRCP_CMD_OPCODE_VENDOR_DEPENDENT:
|
|
big_endian_store_24(packet, pos, connection->company_id);
|
|
pos += 3;
|
|
packet[pos++] = connection->pdu_id;
|
|
packet[pos++] = connection->avrcp_packet_type; // reserved(upper 6) | AVRCP packet_type
|
|
big_endian_store_16(packet, pos, connection->data_len); // parameter length
|
|
pos += 2;
|
|
break;
|
|
case AVRCP_CMD_OPCODE_PASS_THROUGH:
|
|
packet[pos++] = connection->operation_id;
|
|
packet[pos++] = (uint8_t)connection->data_len; // parameter length
|
|
break;
|
|
case AVRCP_CMD_OPCODE_UNIT_INFO:
|
|
case AVRCP_CMD_OPCODE_SUBUNIT_INFO:
|
|
break;
|
|
default:
|
|
btstack_assert(false);
|
|
return;
|
|
}
|
|
break;
|
|
case AVCTP_CONTINUE_PACKET:
|
|
case AVCTP_END_PACKET:
|
|
break;
|
|
default:
|
|
btstack_assert(false);
|
|
return;
|
|
}
|
|
// compare number of bytes to store with the remaining buffer size
|
|
uint16_t bytes_to_copy = btstack_min(connection->data_len - connection->data_offset, max_payload_size - pos);
|
|
|
|
(void)memcpy(packet + pos, &connection->data[connection->data_offset], bytes_to_copy);
|
|
pos += bytes_to_copy;
|
|
connection->data_offset += bytes_to_copy;
|
|
|
|
l2cap_send_prepared(connection->l2cap_signaling_cid, pos);
|
|
}
|
|
|
|
static int avrcp_send_register_notification(avrcp_connection_t * connection, uint8_t event_id){
|
|
uint8_t command[18];
|
|
uint16_t pos = 0;
|
|
// transport header : transaction label | Packet_type | C/R | IPID (1 == invalid profile identifier)
|
|
connection->transaction_id = avrcp_controller_get_next_transaction_label(connection);
|
|
command[pos++] = (connection->transaction_id << 4) | (AVRCP_SINGLE_PACKET << 2) | (AVRCP_COMMAND_FRAME << 1) | 0;
|
|
|
|
command[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL >> 8;
|
|
command[pos++] = BLUETOOTH_SERVICE_CLASS_AV_REMOTE_CONTROL & 0x00FF;
|
|
command[pos++] = AVRCP_CTYPE_NOTIFY;
|
|
command[pos++] = (AVRCP_SUBUNIT_TYPE_PANEL << 3) | AVRCP_SUBUNIT_ID;
|
|
command[pos++] = AVRCP_CMD_OPCODE_VENDOR_DEPENDENT;
|
|
|
|
big_endian_store_24(command, pos, BT_SIG_COMPANY_ID);
|
|
pos += 3;
|
|
command[pos++] = AVRCP_PDU_ID_REGISTER_NOTIFICATION;
|
|
command[pos++] = 0; // reserved(upper 6) | packet_type -> 0
|
|
big_endian_store_16(command, pos, 5); // parameter length
|
|
pos += 2;
|
|
command[pos++] = event_id;
|
|
big_endian_store_32(command, pos, 1); // send notification on playback position every second, for other notifications it is ignored
|
|
pos += 4;
|
|
return l2cap_send(connection->l2cap_signaling_cid, command, pos);
|
|
}
|
|
|
|
static void avrcp_press_and_hold_timeout_handler(btstack_timer_source_t * timer){
|
|
avrcp_connection_t * connection = (avrcp_connection_t*) btstack_run_loop_get_timer_context(timer);
|
|
btstack_run_loop_set_timer(&connection->controller_press_and_hold_cmd_timer, 2000); // 2 seconds timeout
|
|
btstack_run_loop_add_timer(&connection->controller_press_and_hold_cmd_timer);
|
|
connection->state = AVCTP_W2_SEND_PRESS_COMMAND;
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
}
|
|
|
|
static void avrcp_press_and_hold_timer_start(avrcp_connection_t * connection){
|
|
btstack_run_loop_remove_timer(&connection->controller_press_and_hold_cmd_timer);
|
|
btstack_run_loop_set_timer_handler(&connection->controller_press_and_hold_cmd_timer, avrcp_press_and_hold_timeout_handler);
|
|
btstack_run_loop_set_timer_context(&connection->controller_press_and_hold_cmd_timer, connection);
|
|
btstack_run_loop_set_timer(&connection->controller_press_and_hold_cmd_timer, 2000); // 2 seconds timeout
|
|
btstack_run_loop_add_timer(&connection->controller_press_and_hold_cmd_timer);
|
|
}
|
|
|
|
static void avrcp_press_and_hold_timer_stop(avrcp_connection_t * connection){
|
|
connection->controller_press_and_hold_cmd_active = false;
|
|
btstack_run_loop_remove_timer(&connection->controller_press_and_hold_cmd_timer);
|
|
}
|
|
|
|
|
|
static uint8_t avrcp_controller_request_pass_through_release_control_cmd(avrcp_connection_t * connection){
|
|
connection->state = AVCTP_W2_SEND_RELEASE_COMMAND;
|
|
if (connection->controller_press_and_hold_cmd_active){
|
|
avrcp_press_and_hold_timer_stop(connection);
|
|
}
|
|
connection->operation_id = (avrcp_operation_id_t)(0x80 | connection->operation_id);
|
|
connection->transaction_id = avrcp_controller_get_next_transaction_label(connection);
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
static void avrcp_controller_response_timeout_handler(btstack_timer_source_t * timer){
|
|
avrcp_connection_t * connection = (avrcp_connection_t*) btstack_run_loop_get_timer_context(timer);
|
|
if (connection->state == AVCTP_W2_RECEIVE_RESPONSE){
|
|
connection->state = AVCTP_CONNECTION_OPENED;
|
|
avrcp_controller_emit_operation_complete(avrcp_controller_context.avrcp_callback, connection, AVRCP_CTYPE_RESPONSE_INTERIM, connection->operation_id & 0x7F, ERROR_CODE_PAGE_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
static void avrcp_controller_response_timer_start(avrcp_connection_t * connection){
|
|
btstack_run_loop_remove_timer(&connection->controller_response_cmd_timer);
|
|
btstack_run_loop_set_timer_handler(&connection->controller_response_cmd_timer, avrcp_controller_response_timeout_handler);
|
|
btstack_run_loop_set_timer_context(&connection->controller_response_cmd_timer, connection);
|
|
btstack_run_loop_set_timer(&connection->controller_response_cmd_timer, 200); // 200ms timeout
|
|
btstack_run_loop_add_timer(&connection->controller_response_cmd_timer);
|
|
}
|
|
|
|
static void avrcp_controller_response_timer_stop(avrcp_connection_t * connection){
|
|
btstack_run_loop_remove_timer(&connection->controller_response_cmd_timer);
|
|
}
|
|
|
|
static uint8_t avrcp_controller_request_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed, bool continuous_cmd){
|
|
UNUSED(playback_speed);
|
|
|
|
log_info("Send command %d", opid);
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
log_error("Connection in wrong state %d, expected %d. avrcp cid 0x%02x", connection->state, AVCTP_CONNECTION_OPENED, avrcp_cid);
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
connection->state = AVCTP_W2_SEND_PRESS_COMMAND;
|
|
avrcp_controller_pass_through_command_data_init(connection, opid);
|
|
|
|
connection->controller_press_and_hold_cmd_active = continuous_cmd;
|
|
if (connection->controller_press_and_hold_cmd_active){
|
|
avrcp_press_and_hold_timer_start(connection);
|
|
}
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
|
|
static uint8_t request_single_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){
|
|
return avrcp_controller_request_pass_through_press_control_cmd(avrcp_cid, opid, playback_speed, false);
|
|
}
|
|
|
|
uint8_t avrcp_controller_send_pass_through_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid){
|
|
return avrcp_controller_request_pass_through_press_control_cmd(avrcp_cid, opid, 0, false);
|
|
}
|
|
|
|
static uint8_t request_continuous_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint16_t playback_speed){
|
|
return avrcp_controller_request_pass_through_press_control_cmd(avrcp_cid, opid, playback_speed, true);
|
|
}
|
|
|
|
static void avrcp_controller_get_capabilities_for_connection(avrcp_connection_t * connection, uint8_t capability_id){
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_CAPABILITIES, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 1;
|
|
connection->data[0] = capability_id; // capability ID
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
}
|
|
|
|
static uint8_t avrcp_controller_register_notification(avrcp_connection_t * connection, avrcp_notification_event_id_t event_id){
|
|
if ((connection->remote_capabilities_state == AVRCP_REMOTE_CAPABILITIES_KNOWN) && (connection->notifications_supported_by_target & (1 << event_id)) == 0){
|
|
return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
|
|
}
|
|
if ((connection->controller_notifications_to_deregister & (1 << event_id)) != 0){
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
if ( (connection->notifications_enabled & (1 << event_id)) != 0){
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
connection->controller_notifications_to_register |= (1 << event_id);
|
|
|
|
switch (connection->remote_capabilities_state){
|
|
case AVRCP_REMOTE_CAPABILITIES_NONE:
|
|
connection->remote_capabilities_state = AVRCP_REMOTE_CAPABILITIES_W4_QUERY_RESULT;
|
|
connection->controller_notifications_supported_by_target_suppress_emit_result = true;
|
|
avrcp_controller_get_capabilities_for_connection(connection, AVRCP_CAPABILITY_ID_EVENT);
|
|
break;
|
|
case AVRCP_REMOTE_CAPABILITIES_KNOWN:
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
static uint8_t avrcp_controller_request_continuation(avrcp_connection_t * connection, avrcp_pdu_id_t pdu_id){
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, pdu_id, false);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 1;
|
|
connection->data[0] = AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
static uint8_t avrcp_controller_request_abort_continuation(avrcp_connection_t * connection){
|
|
return avrcp_controller_request_continuation(connection, AVRCP_PDU_ID_REQUEST_ABORT_CONTINUING_RESPONSE);
|
|
}
|
|
|
|
static uint8_t avrcp_controller_request_continue_response(avrcp_connection_t * connection){
|
|
return avrcp_controller_request_continuation(connection, AVRCP_PDU_ID_REQUEST_CONTINUING_RESPONSE);
|
|
}
|
|
|
|
static void avrcp_controller_handle_notification(avrcp_connection_t *connection, avrcp_command_type_t ctype, uint8_t *payload, uint16_t size) {
|
|
if (size < 1) return;
|
|
uint16_t pos = 0;
|
|
avrcp_notification_event_id_t event_id = (avrcp_notification_event_id_t) payload[pos++];
|
|
if ( (event_id < AVRCP_NOTIFICATION_EVENT_FIRST_INDEX) || (event_id > AVRCP_NOTIFICATION_EVENT_LAST_INDEX)){
|
|
return;
|
|
}
|
|
|
|
uint16_t event_mask = (1 << event_id);
|
|
uint16_t reset_event_mask = ~event_mask;
|
|
|
|
switch (ctype){
|
|
case AVRCP_CTYPE_RESPONSE_REJECTED:
|
|
connection->controller_notifications_to_deregister &= reset_event_mask;
|
|
connection->controller_notifications_to_register &= reset_event_mask;
|
|
connection->controller_initial_status_reported &= reset_event_mask;
|
|
avrcp_controller_emit_notification_complete(connection, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE, event_id, false);
|
|
return;
|
|
|
|
case AVRCP_CTYPE_RESPONSE_INTERIM:
|
|
// register as enabled
|
|
connection->notifications_enabled |= event_mask;
|
|
|
|
// check if initial value is already sent
|
|
if ((connection->controller_initial_status_reported & event_mask) != 0 ){
|
|
return;
|
|
}
|
|
// emit event only once, initially
|
|
avrcp_controller_emit_notification_complete(connection, ERROR_CODE_SUCCESS, event_id, true);
|
|
connection->controller_initial_status_reported |= event_mask;
|
|
// emit initial value after this switch
|
|
break;
|
|
|
|
case AVRCP_CTYPE_RESPONSE_CHANGED_STABLE:
|
|
// received change, event is considered de-registered
|
|
// we are re-enabling it automatically, if it is not
|
|
// explicitly disabled
|
|
connection->notifications_enabled &= reset_event_mask;
|
|
if ((connection->controller_notifications_to_deregister & event_mask) == 0){
|
|
avrcp_controller_register_notification(connection, event_id);
|
|
} else {
|
|
connection->controller_notifications_to_deregister &= reset_event_mask;
|
|
connection->controller_notifications_to_register &= reset_event_mask;
|
|
connection->controller_initial_status_reported &= reset_event_mask;
|
|
avrcp_controller_emit_notification_complete(connection, ERROR_CODE_SUCCESS, event_id, false);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
avrcp_controller_emit_notification_for_event_id(connection->avrcp_cid, event_id, ctype, payload + pos, size - pos);
|
|
}
|
|
|
|
#ifdef ENABLE_AVCTP_FRAGMENTATION
|
|
static void avctp_reassemble_message(avrcp_connection_t * connection, avctp_packet_type_t packet_type, uint8_t *packet, uint16_t size){
|
|
// after header (transaction label and packet type)
|
|
uint16_t pos;
|
|
uint16_t bytes_to_store;
|
|
|
|
switch (packet_type){
|
|
case AVCTP_START_PACKET:
|
|
if (size < 2) return;
|
|
|
|
// store header
|
|
pos = 0;
|
|
connection->avctp_reassembly_buffer[pos] = packet[pos];
|
|
pos++;
|
|
connection->avctp_reassembly_size = pos;
|
|
|
|
// NOTE: num packets not needed for reassembly, ignoring it does not pose security risk -> no need to store it
|
|
pos++;
|
|
|
|
// PID in reassembled packet is at offset 1, it will be read later after the avctp_reassemble_message with AVCTP_END_PACKET is called
|
|
|
|
bytes_to_store = btstack_min(size - pos, sizeof(connection->avctp_reassembly_buffer) - connection->avctp_reassembly_size);
|
|
memcpy(&connection->avctp_reassembly_buffer[connection->avctp_reassembly_size], &packet[pos], bytes_to_store);
|
|
connection->avctp_reassembly_size += bytes_to_store;
|
|
break;
|
|
|
|
case AVCTP_CONTINUE_PACKET:
|
|
case AVCTP_END_PACKET:
|
|
if (size < 1) return;
|
|
|
|
// store remaining data, ignore header
|
|
pos = 1;
|
|
bytes_to_store = btstack_min(size - pos, sizeof(connection->avctp_reassembly_buffer) - connection->avctp_reassembly_size);
|
|
memcpy(&connection->avctp_reassembly_buffer[connection->avctp_reassembly_size], &packet[pos], bytes_to_store);
|
|
connection->avctp_reassembly_size += bytes_to_store;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void avrcp_handle_l2cap_data_packet_for_signaling_connection(avrcp_connection_t * connection, uint8_t *packet, uint16_t size){
|
|
if (size < 6u) return;
|
|
uint8_t pdu_id;
|
|
avrcp_packet_type_t vendor_dependent_avrcp_packet_type;
|
|
|
|
uint16_t pos = 0;
|
|
connection->controller_last_confirmed_transaction_id = packet[pos] >> 4;
|
|
avrcp_frame_type_t frame_type = (avrcp_frame_type_t)((packet[pos] >> 1) & 0x01);
|
|
avctp_packet_type_t packet_type = (avctp_packet_type_t)((packet[pos] >> 2) & 0x03);
|
|
pos++;
|
|
|
|
if (frame_type != AVRCP_RESPONSE_FRAME) return;
|
|
|
|
switch (packet_type){
|
|
case AVCTP_SINGLE_PACKET:
|
|
break;
|
|
|
|
#ifdef ENABLE_AVCTP_FRAGMENTATION
|
|
case AVCTP_START_PACKET:
|
|
case AVCTP_CONTINUE_PACKET:
|
|
avctp_reassemble_message(connection, packet_type, packet, size);
|
|
return;
|
|
|
|
case AVCTP_END_PACKET:
|
|
avctp_reassemble_message(connection, packet_type, packet, size);
|
|
|
|
packet = connection->avctp_reassembly_buffer;
|
|
size = connection->avctp_reassembly_size;
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
pos += 2; // PID
|
|
|
|
avrcp_command_type_t ctype = (avrcp_command_type_t) packet[pos++];
|
|
|
|
#ifdef ENABLE_LOG_INFO
|
|
uint8_t byte_value = packet[pos];
|
|
avrcp_subunit_type_t subunit_type = (avrcp_subunit_type_t) (byte_value >> 3);
|
|
avrcp_subunit_type_t subunit_id = (avrcp_subunit_type_t) (byte_value & 0x07);
|
|
#endif
|
|
pos++;
|
|
|
|
uint8_t opcode = packet[pos++];
|
|
uint16_t param_length;
|
|
|
|
if (connection->state == AVCTP_W2_RECEIVE_RESPONSE){
|
|
avrcp_controller_response_timer_stop(connection);
|
|
}
|
|
|
|
switch (opcode){
|
|
case AVRCP_CMD_OPCODE_SUBUNIT_INFO:{
|
|
if (connection->state != AVCTP_W2_RECEIVE_RESPONSE) return;
|
|
connection->state = AVCTP_CONNECTION_OPENED;
|
|
|
|
#ifdef ENABLE_LOG_INFO
|
|
// page, extension code (1)
|
|
pos++;
|
|
uint8_t unit_type = packet[pos] >> 3;
|
|
uint8_t max_subunit_ID = packet[pos] & 0x07;
|
|
log_info("SUBUNIT INFO response: ctype 0x%02x (0C), subunit_type 0x%02x (1F), subunit_id 0x%02x (07), opcode 0x%02x (30), target_unit_type 0x%02x, max_subunit_ID %d", ctype, subunit_type, subunit_id, opcode, unit_type, max_subunit_ID);
|
|
#endif
|
|
break;
|
|
}
|
|
case AVRCP_CMD_OPCODE_UNIT_INFO:{
|
|
if (connection->state != AVCTP_W2_RECEIVE_RESPONSE) return;
|
|
connection->state = AVCTP_CONNECTION_OPENED;
|
|
|
|
#ifdef ENABLE_LOG_INFO
|
|
// byte value 7 (1)
|
|
pos++;
|
|
uint8_t unit_type = packet[pos] >> 3;
|
|
uint8_t unit = packet[pos] & 0x07;
|
|
pos++;
|
|
uint32_t company_id = big_endian_read_24(packet, pos);
|
|
log_info("UNIT INFO response: ctype 0x%02x (0C), subunit_type 0x%02x (1F), subunit_id 0x%02x (07), opcode 0x%02x (30), target_unit_type 0x%02x, unit %d, company_id 0x%06" PRIx32,
|
|
ctype, subunit_type, subunit_id, opcode, unit_type, unit, company_id);
|
|
#endif
|
|
break;
|
|
}
|
|
case AVRCP_CMD_OPCODE_VENDOR_DEPENDENT:
|
|
if ((size - pos) < 7){
|
|
return;
|
|
}
|
|
// Company ID (3)
|
|
pos += 3;
|
|
// PDU ID (1)
|
|
pdu_id = packet[pos++];
|
|
// Packet Type (1)
|
|
vendor_dependent_avrcp_packet_type = (avrcp_packet_type_t)(packet[pos++] & 0x03);
|
|
// Param Length (2)
|
|
param_length = big_endian_read_16(packet, pos);
|
|
pos += 2;
|
|
|
|
if ((size - pos) < param_length) {
|
|
return;
|
|
}
|
|
|
|
// handle asynchronous notifications, without changing state
|
|
if (pdu_id == AVRCP_PDU_ID_REGISTER_NOTIFICATION){
|
|
avrcp_controller_handle_notification(connection, ctype, packet + pos, size - pos);
|
|
break;
|
|
}
|
|
if (connection->state != AVCTP_W2_RECEIVE_RESPONSE) return;
|
|
connection->state = AVCTP_CONNECTION_OPENED;
|
|
|
|
log_info("VENDOR DEPENDENT response: pdu id 0x%02x, param_length %d, status %s", pdu_id, param_length, avrcp_ctype2str(ctype));
|
|
switch (pdu_id){
|
|
case AVRCP_PDU_ID_GET_CURRENT_PLAYER_APPLICATION_SETTING_VALUE:{
|
|
uint8_t num_attributes = packet[pos++];
|
|
int i;
|
|
avrcp_repeat_mode_t repeat_mode = AVRCP_REPEAT_MODE_INVALID;
|
|
avrcp_shuffle_mode_t shuffle_mode = AVRCP_SHUFFLE_MODE_INVALID;
|
|
for (i = 0; i < num_attributes; i++){
|
|
avrcp_player_application_setting_attribute_id_t attribute_id = (avrcp_player_application_setting_attribute_id_t)packet[pos++];
|
|
uint8_t value = packet[pos++];
|
|
switch (attribute_id){
|
|
case AVRCP_PLAYER_APPLICATION_SETTING_ATTRIBUTE_ID_REPEAT_MODE_STATUS:
|
|
repeat_mode = (avrcp_repeat_mode_t) value;
|
|
break;
|
|
case AVRCP_PLAYER_APPLICATION_SETTING_ATTRIBUTE_ID_SHUFFLE_STATUS:
|
|
shuffle_mode = (avrcp_shuffle_mode_t) value;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
avrcp_controller_emit_repeat_and_shuffle_mode(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, repeat_mode, shuffle_mode);
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_LIST_PLAYER_APPLICATION_SETTING_ATTRIBUTES:{
|
|
uint8_t num_attributes = packet[pos++];
|
|
int i;
|
|
for (i = 0; i < num_attributes; i++){
|
|
avrcp_player_application_setting_attribute_id_t attribute_id = (avrcp_player_application_setting_attribute_id_t)packet[pos++];
|
|
log_info("TODO send event: attribute_id %d", attribute_id);
|
|
UNUSED(attribute_id);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_LIST_PLAYER_APPLICATION_SETTING_VALUES:{
|
|
uint8_t num_setting_values = packet[pos++];
|
|
int i;
|
|
for (i = 0; i < num_setting_values; i++){
|
|
uint8_t value = packet[pos++];
|
|
log_info("TODO send event: value %d", value);
|
|
UNUSED(value);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT:{
|
|
uint8_t num_attributes = packet[pos++];
|
|
|
|
int i;
|
|
avrcp_repeat_mode_t repeat_mode = AVRCP_REPEAT_MODE_INVALID;
|
|
avrcp_shuffle_mode_t shuffle_mode = AVRCP_SHUFFLE_MODE_INVALID;
|
|
for (i = 0; i < num_attributes; i++){
|
|
avrcp_player_application_setting_attribute_id_t attribute_id = (avrcp_player_application_setting_attribute_id_t)packet[pos++];
|
|
uint8_t character_set_id = little_endian_read_16(packet, pos);
|
|
pos += 2;
|
|
uint8_t value_len = packet[pos++];
|
|
char * value = (char *)&packet[pos];
|
|
pos += value_len;
|
|
|
|
log_info("TODO send event: attribute_id %d, value_len %d, value %s", attribute_id, value_len, value);
|
|
UNUSED(value);
|
|
UNUSED(character_set_id);
|
|
UNUSED(repeat_mode);
|
|
UNUSED(shuffle_mode);
|
|
switch (attribute_id){
|
|
case AVRCP_PLAYER_APPLICATION_SETTING_ATTRIBUTE_ID_REPEAT_MODE_STATUS:
|
|
break;
|
|
case AVRCP_PLAYER_APPLICATION_SETTING_ATTRIBUTE_ID_SHUFFLE_STATUS:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT:{
|
|
uint8_t num_setting_values = packet[pos++];
|
|
int i;
|
|
for (i = 0; i < num_setting_values; i++){
|
|
uint8_t value = packet[pos++];
|
|
UNUSED(value);
|
|
log_info("TODO send event: value %d", value);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_INFORM_DISPLAYABLE_CHARACTERSET:
|
|
case AVRCP_PDU_ID_INFORM_BATTERY_STATUS_OF_CT:
|
|
break;
|
|
|
|
case AVRCP_PDU_ID_SET_PLAYER_APPLICATION_SETTING_VALUE:{
|
|
uint16_t offset = 0;
|
|
uint8_t event[6];
|
|
event[offset++] = HCI_EVENT_AVRCP_META;
|
|
event[offset++] = sizeof(event) - 2;
|
|
event[offset++] = AVRCP_SUBEVENT_PLAYER_APPLICATION_VALUE_RESPONSE;
|
|
little_endian_store_16(event, offset, connection->avrcp_cid);
|
|
offset += 2;
|
|
event[offset++] = ctype;
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME:{
|
|
uint16_t offset = 0;
|
|
uint8_t event[7];
|
|
event[offset++] = HCI_EVENT_AVRCP_META;
|
|
event[offset++] = sizeof(event) - 2;
|
|
event[offset++] = AVRCP_SUBEVENT_SET_ABSOLUTE_VOLUME_RESPONSE;
|
|
little_endian_store_16(event, offset, connection->avrcp_cid);
|
|
offset += 2;
|
|
event[offset++] = ctype;
|
|
event[offset++] = packet[pos++];
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_GET_CAPABILITIES:{
|
|
avrcp_capability_id_t capability_id = (avrcp_capability_id_t) packet[pos++];
|
|
uint8_t capability_count = 0;
|
|
if (param_length > 1){
|
|
capability_count = packet[pos++];
|
|
}
|
|
uint16_t i;
|
|
uint16_t offset;
|
|
uint8_t event[10];
|
|
|
|
switch (capability_id){
|
|
|
|
case AVRCP_CAPABILITY_ID_COMPANY:
|
|
for (i = 0; (i < capability_count) && ((size - pos) >= 3); i++){
|
|
uint32_t company_id = big_endian_read_24(packet, pos);
|
|
pos += 3;
|
|
log_info(" 0x%06" PRIx32 ", ", company_id);
|
|
|
|
offset = 0;
|
|
event[offset++] = HCI_EVENT_AVRCP_META;
|
|
event[offset++] = sizeof(event) - 2;
|
|
event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_COMPANY_ID;
|
|
little_endian_store_16(event, offset, connection->avrcp_cid);
|
|
offset += 2;
|
|
event[offset++] = ctype;
|
|
event[offset++] = 0;
|
|
little_endian_store_24(event, offset, company_id);
|
|
offset += 3;
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
|
|
}
|
|
|
|
offset = 0;
|
|
event[offset++] = HCI_EVENT_AVRCP_META;
|
|
event[offset++] = sizeof(event) - 2;
|
|
event[offset++] = AVRCP_SUBEVENT_GET_CAPABILITY_COMPANY_ID_DONE;
|
|
little_endian_store_16(event, offset, connection->avrcp_cid);
|
|
offset += 2;
|
|
event[offset++] = ctype;
|
|
event[offset++] = 0;
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, offset);
|
|
break;
|
|
|
|
case AVRCP_CAPABILITY_ID_EVENT:
|
|
for (i = 0; (i < capability_count) && ((size - pos) >= 1); i++){
|
|
uint8_t event_id = packet[pos++];
|
|
connection->notifications_supported_by_target |= (1 << event_id);
|
|
}
|
|
|
|
connection->remote_capabilities_state = AVRCP_REMOTE_CAPABILITIES_KNOWN;
|
|
|
|
// if the get supported events query is triggered by avrcp_controller_enable_notification call,
|
|
// avrcp_controller_emit_supported_events should be suppressed
|
|
if (connection->controller_notifications_supported_by_target_suppress_emit_result){
|
|
connection->controller_notifications_supported_by_target_suppress_emit_result = false;
|
|
// also, notification might not be supported
|
|
// if so, emit AVRCP_SUBEVENT_ENABLE_NOTIFICATION_COMPLETE event to app,
|
|
// and update controller_notifications_to_register bitmap
|
|
for (i = (uint8_t)AVRCP_NOTIFICATION_EVENT_FIRST_INDEX; i < (uint8_t) AVRCP_NOTIFICATION_EVENT_LAST_INDEX; i++){
|
|
if ((connection->controller_notifications_to_register & (1 << i)) != 0){
|
|
if ((connection->notifications_supported_by_target & (1 << i)) == 0){
|
|
avrcp_controller_emit_notification_complete(connection, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE, (uint8_t) i, false);
|
|
connection->controller_notifications_to_register &= ~(1 << i);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
// supported events are emitted only if the get supported events query
|
|
// is triggered by avrcp_controller_get_supported_events call
|
|
avrcp_controller_emit_supported_events(connection);
|
|
break;
|
|
|
|
default:
|
|
// ignore
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_GET_PLAY_STATUS:{
|
|
uint32_t song_length = big_endian_read_32(packet, pos);
|
|
pos += 4;
|
|
uint32_t song_position = big_endian_read_32(packet, pos);
|
|
pos += 4;
|
|
uint8_t play_status = packet[pos];
|
|
|
|
uint8_t event[15];
|
|
int offset = 0;
|
|
event[offset++] = HCI_EVENT_AVRCP_META;
|
|
event[offset++] = sizeof(event) - 2;
|
|
event[offset++] = AVRCP_SUBEVENT_PLAY_STATUS;
|
|
little_endian_store_16(event, offset, connection->avrcp_cid);
|
|
offset += 2;
|
|
event[offset++] = ctype;
|
|
little_endian_store_32(event, offset, song_length);
|
|
offset += 4;
|
|
little_endian_store_32(event, offset, song_position);
|
|
offset += 4;
|
|
event[offset++] = play_status;
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
|
|
break;
|
|
}
|
|
|
|
case AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES:
|
|
switch (vendor_dependent_avrcp_packet_type){
|
|
case AVRCP_START_PACKET:
|
|
case AVRCP_SINGLE_PACKET:
|
|
avrcp_parser_reset(connection);
|
|
connection->list_size = param_length;
|
|
// num_attributes
|
|
pos++;
|
|
break;
|
|
|
|
case AVRCP_CONTINUE_PACKET:
|
|
case AVRCP_END_PACKET:
|
|
break;
|
|
default:
|
|
btstack_unreachable();
|
|
break;
|
|
}
|
|
|
|
connection->controller_num_received_fragments++;
|
|
avrcp_controller_parse_and_emit_element_attrs(packet + pos, size - pos, connection, ctype);
|
|
|
|
switch (vendor_dependent_avrcp_packet_type) {
|
|
case AVRCP_START_PACKET:
|
|
case AVRCP_CONTINUE_PACKET:
|
|
if (connection->controller_num_received_fragments < connection->controller_max_num_fragments) {
|
|
avrcp_controller_request_continue_response(connection);
|
|
} else {
|
|
avrcp_controller_request_abort_continuation(connection);
|
|
avrcp_parser_reset(connection);
|
|
}
|
|
break;
|
|
default:
|
|
// non-fragmented packet or END packet
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// custom command response comes here
|
|
switch (pdu_id){
|
|
case AVRCP_PDU_ID_REQUEST_ABORT_CONTINUING_RESPONSE:
|
|
avrcp_controller_emit_now_playing_info_event_done(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, 0);
|
|
break;
|
|
default:
|
|
if (pdu_id != connection->pdu_id) {
|
|
break;
|
|
}
|
|
uint8_t *in_place_buffer = packet + pos - 9;
|
|
avrcp_controller_prepare_custom_command_response(connection, param_length,
|
|
in_place_buffer);
|
|
(*avrcp_controller_context.avrcp_callback)(HCI_EVENT_PACKET, 0, in_place_buffer,
|
|
param_length + 9);
|
|
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case AVRCP_CMD_OPCODE_PASS_THROUGH:{
|
|
if ((size - pos) < 1) return;
|
|
uint8_t operation_id = packet[pos++];
|
|
UNUSED(pos);
|
|
switch (connection->state){
|
|
case AVCTP_W2_RECEIVE_PRESS_RESPONSE:
|
|
// trigger release for simple command:
|
|
if (!connection->controller_press_and_hold_cmd_active){
|
|
connection->state = AVCTP_W2_SEND_RELEASE_COMMAND;
|
|
break;
|
|
}
|
|
// for press and hold, send release if it just has been requested, otherwise, wait for next repeat
|
|
if (connection->controller_press_and_hold_cmd_release){
|
|
connection->controller_press_and_hold_cmd_release = false;
|
|
connection->state = AVCTP_W2_SEND_RELEASE_COMMAND;
|
|
} else {
|
|
connection->state = AVCTP_W4_STOP;
|
|
}
|
|
break;
|
|
case AVCTP_W2_RECEIVE_RESPONSE:
|
|
connection->state = AVCTP_CONNECTION_OPENED;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (connection->state == AVCTP_W4_STOP){
|
|
avrcp_controller_emit_operation_start(avrcp_controller_context.avrcp_callback, connection->avrcp_cid, ctype, operation_id);
|
|
}
|
|
if (connection->state == AVCTP_CONNECTION_OPENED) {
|
|
// RELEASE response
|
|
operation_id = operation_id & 0x7F;
|
|
avrcp_controller_emit_operation_complete(avrcp_controller_context.avrcp_callback, connection, ctype, operation_id, ERROR_CODE_SUCCESS);
|
|
}
|
|
if (connection->state == AVCTP_W2_SEND_RELEASE_COMMAND){
|
|
// PRESS response
|
|
avrcp_controller_request_pass_through_release_control_cmd(connection);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// trigger pending notification reqistrations
|
|
if ((connection->state == AVCTP_CONNECTION_OPENED) && connection->controller_notifications_to_register){
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
}
|
|
}
|
|
|
|
static void avrcp_controller_handle_can_send_now(avrcp_connection_t * connection){
|
|
// identifier (9) + num attributes (1) + attributes (4 * num attributes)
|
|
uint8_t get_element_attributes_command[9+8*((AVRCP_MEDIA_ATTR_NUM-AVRCP_MEDIA_ATTR_TITLE) + 1)];
|
|
uint16_t pos;
|
|
uint16_t num_attributes_index;
|
|
uint8_t i;
|
|
|
|
switch (connection->state){
|
|
case AVCTP_W2_SEND_PRESS_COMMAND:
|
|
avrcp_send_cmd_with_avctp_fragmentation(connection);
|
|
connection->state = AVCTP_W2_RECEIVE_PRESS_RESPONSE;
|
|
return;
|
|
|
|
case AVCTP_W2_SEND_RELEASE_COMMAND:
|
|
// send data - it will fit into one packet
|
|
avrcp_controller_response_timer_start(connection);
|
|
connection->state = AVCTP_W2_RECEIVE_RESPONSE;
|
|
avrcp_send_cmd_with_avctp_fragmentation(connection);
|
|
return;
|
|
|
|
case AVCTP_W2_SEND_COMMAND:
|
|
avrcp_send_cmd_with_avctp_fragmentation(connection);
|
|
if (connection->data_offset < connection->data_len){
|
|
// continue AVCTP fragmentation
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return;
|
|
}
|
|
avrcp_controller_response_timer_start(connection);
|
|
connection->state = AVCTP_W2_RECEIVE_RESPONSE;
|
|
return;
|
|
case AVCTP_W2_SEND_GET_ELEMENT_ATTRIBUTES_REQUEST:
|
|
// build command in local buffer
|
|
pos = 0;
|
|
connection->data = get_element_attributes_command;
|
|
// write identifier
|
|
memset(connection->data, 0, 8);
|
|
pos += 8;
|
|
num_attributes_index = pos;
|
|
// If num_attributes is set to zero, all attribute information shall be returned,
|
|
// and the AttributeID field is omitted
|
|
connection->data[num_attributes_index] = 0;
|
|
pos++;
|
|
for (i = 0; i < (uint8_t)AVRCP_MEDIA_ATTR_NUM - (uint8_t)AVRCP_MEDIA_ATTR_TITLE; i++){
|
|
if ((connection->controller_element_attributes & (1<<i)) != 0){
|
|
// every attribute is 4 bytes long
|
|
big_endian_store_32(connection->data, pos, AVRCP_MEDIA_ATTR_TITLE + i);
|
|
pos += 4;
|
|
connection->data[num_attributes_index]++;
|
|
}
|
|
}
|
|
|
|
// Parameter Length
|
|
connection->data_len = pos;
|
|
|
|
log_info("AVCTP_W2_SEND_GET_ELEMENT_ATTRIBUTES_REQUEST, len %u", connection->data_len);
|
|
|
|
// send data - assume it will fit into one packet
|
|
avrcp_controller_response_timer_start(connection);
|
|
connection->state = AVCTP_W2_RECEIVE_RESPONSE;
|
|
avrcp_send_cmd_with_avctp_fragmentation(connection);
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// send register notification if queued,
|
|
// avrcp_handle_l2cap_data_packet_for_signaling_connection will trigger next one
|
|
if (connection->controller_notifications_to_register != 0){
|
|
uint8_t event_id;
|
|
for (event_id = (uint8_t)AVRCP_NOTIFICATION_EVENT_FIRST_INDEX; event_id < (uint8_t)AVRCP_NOTIFICATION_EVENT_LAST_INDEX; event_id++){
|
|
if (connection->controller_notifications_to_register & (1 << event_id)){
|
|
connection->controller_notifications_to_register &= ~ (1 << event_id);
|
|
avrcp_send_register_notification(connection, event_id);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
|
|
avrcp_connection_t * connection;
|
|
|
|
switch (packet_type) {
|
|
case L2CAP_DATA_PACKET:
|
|
connection = avrcp_get_connection_for_l2cap_signaling_cid_for_role(AVRCP_CONTROLLER, channel);
|
|
avrcp_handle_l2cap_data_packet_for_signaling_connection(connection, packet, size);
|
|
break;
|
|
|
|
case HCI_EVENT_PACKET:
|
|
switch (hci_event_packet_get_type(packet)){
|
|
case L2CAP_EVENT_CAN_SEND_NOW:
|
|
connection = avrcp_get_connection_for_l2cap_signaling_cid_for_role(AVRCP_CONTROLLER, channel);
|
|
avrcp_controller_handle_can_send_now(connection);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
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){
|
|
if (service_name == NULL){
|
|
service_name = avrcp_default_controller_service_name;
|
|
}
|
|
if (service_provider_name == NULL){
|
|
service_provider_name = avrcp_default_controller_service_provider_name;
|
|
}
|
|
avrcp_create_sdp_record(true, service, service_record_handle, avrcp_controller_supports_browsing(supported_features), supported_features, service_name, service_provider_name);
|
|
}
|
|
|
|
void avrcp_controller_init(void){
|
|
avrcp_controller_context.role = AVRCP_CONTROLLER;
|
|
avrcp_controller_context.packet_handler = avrcp_controller_packet_handler;
|
|
avrcp_register_controller_packet_handler(&avrcp_controller_packet_handler);
|
|
}
|
|
|
|
void avrcp_controller_deinit(void){
|
|
memset(&avrcp_controller_context, 0, sizeof(avrcp_context_t));
|
|
}
|
|
|
|
void avrcp_controller_register_packet_handler(btstack_packet_handler_t callback){
|
|
btstack_assert(callback != NULL);
|
|
avrcp_controller_context.avrcp_callback = callback;
|
|
}
|
|
|
|
|
|
uint8_t avrcp_controller_play(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_stop(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_pause(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_forward(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_backward(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_volume_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_volume_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_mute(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_skip(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SKIP, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_fast_forward(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_rewind(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0);
|
|
}
|
|
|
|
/* start continuous cmds */
|
|
|
|
uint8_t avrcp_controller_start_press_and_hold_cmd(uint16_t avrcp_cid, avrcp_operation_id_t operation_id){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, operation_id, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_press_and_hold_play(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PLAY, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_stop(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_STOP, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_pause(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAUSE, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_forward(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FORWARD, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_backward(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_BACKWARD, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_fast_forward(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAST_FORWARD, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_rewind(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_REWIND, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_volume_up(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_volume_down(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_VOLUME_DOWN, 0);
|
|
}
|
|
uint8_t avrcp_controller_press_and_hold_mute(uint16_t avrcp_cid){
|
|
return request_continuous_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_MUTE, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_0(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_0, 0);
|
|
}
|
|
uint8_t avrcp_controller_1(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_1, 0);
|
|
}
|
|
uint8_t avrcp_controller_2(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_2, 0);
|
|
}
|
|
uint8_t avrcp_controller_3(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_3, 0);
|
|
}
|
|
uint8_t avrcp_controller_4(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_4, 0);
|
|
}
|
|
uint8_t avrcp_controller_5(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_5, 0);
|
|
}
|
|
uint8_t avrcp_controller_6(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_6, 0);
|
|
}
|
|
uint8_t avrcp_controller_7(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_7, 0);
|
|
}
|
|
uint8_t avrcp_controller_8(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_8, 0);
|
|
}
|
|
uint8_t avrcp_controller_9(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_9, 0);
|
|
}
|
|
uint8_t avrcp_controller_dot(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_DOT, 0);
|
|
}
|
|
uint8_t avrcp_controller_enter(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_ENTER, 0);
|
|
}
|
|
uint8_t avrcp_controller_clear(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_CLEAR, 0);
|
|
}
|
|
uint8_t avrcp_controller_channel_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_CHANNEL_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_channel_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_CHANNEL_DOWN, 0);
|
|
}
|
|
uint8_t avrcp_controller_previous_channel(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PREVIOUS_CHANNEL, 0);
|
|
}
|
|
uint8_t avrcp_controller_sound_select(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SOUND_SELECT, 0);
|
|
}
|
|
uint8_t avrcp_controller_input_select(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_INPUT_SELECT, 0);
|
|
}
|
|
uint8_t avrcp_controller_display_information(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_DISPLAY_INFORMATION, 0);
|
|
}
|
|
uint8_t avrcp_controller_help(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_HELP, 0);
|
|
}
|
|
uint8_t avrcp_controller_power(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_POWER, 0);
|
|
}
|
|
uint8_t avrcp_controller_angle(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_ANGLE, 0);
|
|
}
|
|
uint8_t avrcp_controller_subpicture(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SUBPICTURE, 0);
|
|
}
|
|
uint8_t avrcp_controller_F1(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_F1, 0);
|
|
}
|
|
uint8_t avrcp_controller_F2(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_F2, 0);
|
|
}
|
|
uint8_t avrcp_controller_F3(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_F3, 0);
|
|
}
|
|
uint8_t avrcp_controller_F4(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_F4, 0);
|
|
}
|
|
uint8_t avrcp_controller_F5(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_F5, 0);
|
|
}
|
|
|
|
uint8_t avrcp_controller_select(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SELECT, 0);
|
|
}
|
|
uint8_t avrcp_controller_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_DOWN, 0);
|
|
}
|
|
uint8_t avrcp_controller_left(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_LEFT, 0);
|
|
}
|
|
uint8_t avrcp_controller_right(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_RIGHT, 0);
|
|
}
|
|
uint8_t avrcp_controller_right_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_RIGHT_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_right_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_RIGHT_DOWN, 0);
|
|
}
|
|
uint8_t avrcp_controller_left_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_LEFT_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_left_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_LEFT_DOWN, 0);
|
|
}
|
|
uint8_t avrcp_controller_root_menu(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_ROOT_MENU, 0);
|
|
}
|
|
uint8_t avrcp_controller_setup_menu(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_SETUP_MENU, 0);
|
|
}
|
|
uint8_t avrcp_controller_contents_menu(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_CONTENTS_MENU, 0);
|
|
}
|
|
uint8_t avrcp_controller_favorite_menu(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_FAVORITE_MENU, 0);
|
|
}
|
|
uint8_t avrcp_controller_exit(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_EXIT, 0);
|
|
}
|
|
uint8_t avrcp_controller_page_up(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAGE_UP, 0);
|
|
}
|
|
uint8_t avrcp_controller_page_down(uint16_t avrcp_cid){
|
|
return request_single_pass_through_press_control_cmd(avrcp_cid, AVRCP_OPERATION_ID_PAGE_DOWN, 0);
|
|
}
|
|
|
|
static uint8_t avrcp_controller_request_group_pass_through_press_control_cmd(uint16_t avrcp_cid, avrcp_group_operation_id_t opid){
|
|
log_info("Send group command %d", opid);
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
log_error("Connection in wrong state %d, expected %d. avrcp cid 0x%02x", connection->state, AVCTP_CONNECTION_OPENED, avrcp_cid);
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
connection->state = AVCTP_W2_SEND_PRESS_COMMAND;
|
|
avrcp_controller_pass_through_command_data_init(connection, AVRCP_OPERATION_ID_VENDOR_UNIQUE);
|
|
connection->company_id = BT_SIG_COMPANY_ID;
|
|
connection->data_len = 5;
|
|
big_endian_store_24(connection->data, 0, BT_SIG_COMPANY_ID);
|
|
big_endian_store_16(connection->data, 3, opid);
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_next_group(uint16_t avrcp_cid){
|
|
return avrcp_controller_request_group_pass_through_press_control_cmd(avrcp_cid, AVRCP_GROUP_OPERATION_ID_GOTO_NEXT);
|
|
}
|
|
|
|
uint8_t avrcp_controller_previous_group(uint16_t avrcp_cid){
|
|
return avrcp_controller_request_group_pass_through_press_control_cmd(avrcp_cid, AVRCP_GROUP_OPERATION_ID_GOTO_PREVIOUS);
|
|
}
|
|
|
|
|
|
/* stop continuous cmds */
|
|
uint8_t avrcp_controller_release_press_and_hold_cmd(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
|
|
switch (connection->state){
|
|
// respond when we receive response for (repeated) press command
|
|
case AVCTP_W2_RECEIVE_PRESS_RESPONSE:
|
|
connection->controller_press_and_hold_cmd_release = true;
|
|
break;
|
|
|
|
// release already sent or on the way, nothing to do
|
|
case AVCTP_W2_RECEIVE_RESPONSE:
|
|
case AVCTP_W2_SEND_RELEASE_COMMAND:
|
|
break;
|
|
|
|
// about to send next repeated press command or wait for it -> release right away
|
|
case AVCTP_W2_SEND_PRESS_COMMAND:
|
|
case AVCTP_W4_STOP:
|
|
return avrcp_controller_request_pass_through_release_control_cmd(connection);
|
|
|
|
// otherwise reject request
|
|
default:
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
return avrcp_controller_register_notification(connection, event_id);
|
|
}
|
|
|
|
uint8_t avrcp_controller_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->remote_capabilities_state != AVRCP_REMOTE_CAPABILITIES_KNOWN){
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
|
|
if ((connection->notifications_supported_by_target & (1 << event_id)) == 0){
|
|
return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
|
|
}
|
|
|
|
if ((connection->notifications_enabled & (1 << event_id)) == 0){
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
connection->controller_notifications_to_deregister |= (1 << event_id);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_unit_info(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_custom_command_data_init(connection, AVRCP_CMD_OPCODE_UNIT_INFO, AVRCP_CTYPE_STATUS,
|
|
AVRCP_SUBUNIT_TYPE_UNIT, AVRCP_SUBUNIT_ID_IGNORE, AVRCP_PDU_ID_UNDEFINED,
|
|
0);
|
|
|
|
connection->data = connection->message_body;
|
|
memset(connection->data, 0xFF, 5);
|
|
connection->data_len = 5;
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_subunit_info(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_custom_command_data_init(connection, AVRCP_CMD_OPCODE_SUBUNIT_INFO, AVRCP_CTYPE_STATUS,
|
|
AVRCP_SUBUNIT_TYPE_UNIT, AVRCP_SUBUNIT_ID_IGNORE, AVRCP_PDU_ID_UNDEFINED,
|
|
0);
|
|
|
|
connection->data = connection->message_body;
|
|
memset(connection->data, 0xFF, 5);
|
|
connection->data[0] = 7; // page: 0, extension_code: 7
|
|
connection->data_len = 5;
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_supported_company_ids(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
avrcp_controller_get_capabilities_for_connection(connection, AVRCP_CAPABILITY_ID_COMPANY);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_supported_events(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
|
|
switch (connection->remote_capabilities_state){
|
|
case AVRCP_REMOTE_CAPABILITIES_NONE:
|
|
connection->remote_capabilities_state = AVRCP_REMOTE_CAPABILITIES_W4_QUERY_RESULT;
|
|
avrcp_controller_get_capabilities_for_connection(connection, AVRCP_CAPABILITY_ID_EVENT);
|
|
break;
|
|
case AVRCP_REMOTE_CAPABILITIES_KNOWN:
|
|
avrcp_controller_emit_supported_events(connection);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_play_status(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_PLAY_STATUS, true);
|
|
|
|
connection->data_len = 0;
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_set_addressed_player(uint16_t avrcp_cid, uint16_t addressed_player_id){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_SET_ADDRESSED_PLAYER, true);
|
|
|
|
connection->data_len = 2;
|
|
big_endian_store_16(connection->data, 0, addressed_player_id);
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_element_attributes(uint16_t avrcp_cid, uint8_t num_attributes, avrcp_media_attribute_id_t * attributes){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
if (num_attributes >= AVRCP_MEDIA_ATTR_NUM) {
|
|
return ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS;
|
|
}
|
|
|
|
connection->state = AVCTP_W2_SEND_GET_ELEMENT_ATTRIBUTES_REQUEST;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_ELEMENT_ATTRIBUTES, true);
|
|
|
|
// collect element attributes
|
|
uint8_t i;
|
|
uint16_t attributes_set = 0;
|
|
for (i = 0; i < num_attributes; i++){
|
|
// ignore invalid attribute ID and "get all attributes"
|
|
if (AVRCP_MEDIA_ATTR_ALL < attributes[i] && attributes[i] < AVRCP_MEDIA_ATTR_NUM){
|
|
attributes_set |= 1 << (attributes[i] - AVRCP_MEDIA_ATTR_TITLE);
|
|
}
|
|
}
|
|
connection->controller_element_attributes = attributes_set;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_now_playing_info(uint16_t avrcp_cid){
|
|
return avrcp_controller_get_element_attributes(avrcp_cid, 0, NULL);
|
|
}
|
|
|
|
uint8_t avrcp_controller_get_now_playing_info_for_media_attribute_id(uint16_t avrcp_cid, avrcp_media_attribute_id_t media_attribute_id){
|
|
if (media_attribute_id == AVRCP_MEDIA_ATTR_ALL){
|
|
return avrcp_controller_get_now_playing_info(avrcp_cid);
|
|
}
|
|
avrcp_media_attribute_id_t media_attrs[1];
|
|
media_attrs[0] = media_attribute_id;
|
|
return avrcp_controller_get_element_attributes(avrcp_cid, 1, media_attrs);
|
|
}
|
|
|
|
uint8_t avrcp_controller_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
|
|
//
|
|
// allow sending of multiple set abs volume commands without waiting for response
|
|
//
|
|
uint8_t status = ERROR_CODE_COMMAND_DISALLOWED;
|
|
switch (connection->state){
|
|
case AVCTP_CONNECTION_OPENED:
|
|
status = ERROR_CODE_SUCCESS;
|
|
break;
|
|
case AVCTP_W2_RECEIVE_RESPONSE:
|
|
// - is pending response also set abs volume
|
|
if (connection->command_opcode != AVRCP_CMD_OPCODE_VENDOR_DEPENDENT) break;
|
|
if (connection->command_type != AVRCP_CTYPE_CONTROL) break;
|
|
if (connection->subunit_type != AVRCP_SUBUNIT_TYPE_PANEL) break;
|
|
if (connection->subunit_id != AVRCP_SUBUNIT_ID) break;
|
|
if (connection->pdu_id != AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME) break;
|
|
// - is next transaction id valid in window
|
|
if (avrcp_controller_is_transaction_id_valid(connection, avrcp_controller_calc_next_transaction_label(connection->transaction_id_counter)) == false) break;
|
|
status = ERROR_CODE_SUCCESS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (status != ERROR_CODE_SUCCESS) return status;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_SET_ABSOLUTE_VOLUME, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 1;
|
|
connection->data[0] = volume;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_query_player_application_setting_attributes(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_LIST_PLAYER_APPLICATION_SETTING_ATTRIBUTES, true);
|
|
|
|
connection->data_len = 0;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_query_player_application_setting_values(uint16_t avrcp_cid, avrcp_player_application_setting_attribute_id_t attribute_id){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_LIST_PLAYER_APPLICATION_SETTING_VALUES, true);
|
|
|
|
connection->data_len = 1;
|
|
connection->data[0] = attribute_id;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_query_shuffle_and_repeat_modes(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_CURRENT_PLAYER_APPLICATION_SETTING_VALUE, true);
|
|
|
|
connection->data_len = 5;
|
|
connection->data[0] = 4; // NumPlayerApplicationSettingAttributeID
|
|
// PlayerApplicationSettingAttributeID1 AVRCP Spec, Appendix F, 133
|
|
connection->data[1] = 0x01; // equalizer (1-OFF, 2-ON)
|
|
connection->data[2] = 0x02; // repeat (1-off, 2-single track, 3-all tracks, 4-group repeat)
|
|
connection->data[3] = 0x03; // shuffle (1-off, 2-all tracks, 3-group shuffle)
|
|
connection->data[4] = 0x04; // scan (1-off, 2-all tracks, 3-group scan)
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
static uint8_t avrcp_controller_set_current_player_application_setting_value(uint16_t avrcp_cid, uint8_t attr_id, uint8_t attr_value){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_SET_PLAYER_APPLICATION_SETTING_VALUE, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 3;
|
|
connection->data[0] = 2;
|
|
connection->data[1] = attr_id;
|
|
connection->data[2] = attr_value;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_query_player_application_setting_attribute_text(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT, true);
|
|
|
|
connection->data_len = 5;
|
|
connection->data[0] = 4; // NumPlayerApplicationSettingAttributeID
|
|
// PlayerApplicationSettingAttributeID1 AVRCP Spec, Appendix F, 133
|
|
connection->data[1] = 0x01; // equalizer (1-OFF, 2-ON)
|
|
connection->data[2] = 0x02; // repeat (1-off, 2-single track, 3-all tracks, 4-group repeat)
|
|
connection->data[3] = 0x03; // shuffle (1-off, 2-all tracks, 3-group shuffle)
|
|
connection->data[4] = 0x04; // scan (1-off, 2-all tracks, 3-group scan)
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_query_player_application_setting_value_text(uint16_t avrcp_cid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_STATUS, AVRCP_PDU_ID_GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT, true);
|
|
|
|
connection->data_len = 5;
|
|
connection->data[0] = 4; // NumPlayerApplicationSettingAttributeID
|
|
// PlayerApplicationSettingAttributeID1 AVRCP Spec, Appendix F, 133
|
|
connection->data[1] = 0x01; // equalizer (1-OFF, 2-ON)
|
|
connection->data[2] = 0x02; // repeat (1-off, 2-single track, 3-all tracks, 4-group repeat)
|
|
connection->data[3] = 0x03; // shuffle (1-off, 2-all tracks, 3-group shuffle)
|
|
connection->data[4] = 0x04; // scan (1-off, 2-all tracks, 3-group scan)
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_inform_displayable_characterset(uint16_t avrcp_cid, uint8_t character_set_num, uint16_t * character_set){
|
|
btstack_assert(character_set_num > 4);
|
|
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_INFORM_DISPLAYABLE_CHARACTERSET, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = character_set_num * 2;
|
|
uint8_t pos = 0;
|
|
|
|
connection->data[pos++] = character_set_num;
|
|
uint8_t i;
|
|
for (i = 0; i < character_set_num; i++){
|
|
little_endian_store_16(connection->data, pos, character_set[i]);
|
|
pos += i * 2;
|
|
}
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_inform_battery_status(uint16_t avrcp_cid, avrcp_battery_status_t battery_status){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_INFORM_BATTERY_STATUS_OF_CT, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 1;
|
|
connection->data[0] = battery_status;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode){
|
|
if ((mode < AVRCP_SHUFFLE_MODE_OFF) || (mode > AVRCP_SHUFFLE_MODE_GROUP)) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
|
|
return avrcp_controller_set_current_player_application_setting_value(avrcp_cid, 0x03, mode);
|
|
}
|
|
|
|
uint8_t avrcp_controller_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode){
|
|
if ((mode < AVRCP_REPEAT_MODE_OFF) || (mode > AVRCP_REPEAT_MODE_GROUP)) return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
|
|
return avrcp_controller_set_current_player_application_setting_value(avrcp_cid, 0x02, mode);
|
|
}
|
|
|
|
uint8_t avrcp_controller_play_item_for_scope(uint16_t avrcp_cid, uint8_t * uid, uint16_t uid_counter, avrcp_browsing_scope_t scope){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
log_error("Connection in wrong state, expected %d, received %d", AVCTP_CONNECTION_OPENED, connection->state);
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_PLAY_ITEM, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 11;
|
|
connection->data[0] = scope;
|
|
memset(&connection->data[1], 0, 8);
|
|
if (uid){
|
|
(void)memcpy(&connection->data[1], uid, 8);
|
|
}
|
|
big_endian_store_16(connection->data, 9, uid_counter);
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
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){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED){
|
|
log_error("Connection in wrong state, expected %d, received %d", AVCTP_CONNECTION_OPENED, connection->state);
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_vendor_dependent_command_data_init(connection, AVRCP_CTYPE_CONTROL, AVRCP_PDU_ID_ADD_TO_NOW_PLAYING, true);
|
|
|
|
// Parameter Length
|
|
connection->data_len = 11;
|
|
connection->data[0] = scope;
|
|
memset(&connection->data[1], 0, 8);
|
|
if (uid){
|
|
(void)memcpy(&connection->data[1], uid, 8);
|
|
}
|
|
big_endian_store_16(connection->data, 9, uid_counter);
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_set_max_num_fragments(uint16_t avrcp_cid, uint8_t max_num_fragments){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
connection->controller_max_num_fragments = max_num_fragments;
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
|
|
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_pdu_id_t pdu_id, uint32_t company_id,
|
|
const uint8_t * data, uint16_t data_len){
|
|
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_custom_command_data_init(connection, AVRCP_CMD_OPCODE_VENDOR_DEPENDENT, command_type, subunit_type,
|
|
subunit_id, pdu_id, company_id);
|
|
|
|
connection->data = (uint8_t *)data;
|
|
connection->data_len = data_len;
|
|
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
}
|
|
|
|
uint8_t avrcp_controller_force_send_press_cmd(uint16_t avrcp_cid, avrcp_operation_id_t opid){
|
|
avrcp_connection_t * connection = avrcp_get_connection_for_avrcp_cid_for_role(AVRCP_CONTROLLER, avrcp_cid);
|
|
if (!connection){
|
|
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
}
|
|
if (connection->state < AVCTP_CONNECTION_OPENED){
|
|
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
}
|
|
|
|
connection->state = AVCTP_W2_SEND_COMMAND;
|
|
avrcp_controller_pass_through_command_data_init(connection, opid);
|
|
avrcp_request_can_send_now(connection, connection->l2cap_signaling_cid);
|
|
return ERROR_CODE_SUCCESS;
|
|
} |