frameworks_bluetooth/framework/socket/bt_avrcp_control.c

120 lines
4.2 KiB
C

/****************************************************************************
* Copyright (C) 2024 Xiaomi Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
***************************************************************************/
#define LOG_TAG "avrcp_control_api"
#include <stdint.h>
#include "bt_avrcp_control.h"
#include "bt_socket.h"
void* bt_avrcp_control_register_callbacks(bt_instance_t* ins, const avrcp_control_callbacks_t* callbacks)
{
bt_message_packet_t packet;
bt_status_t status;
void* handle;
BT_SOCKET_INS_VALID(ins, NULL);
if (ins->avrcp_control_callbacks != NULL) {
handle = bt_remote_callbacks_register(ins->avrcp_control_callbacks, NULL, (void*)callbacks);
return handle;
}
ins->avrcp_control_callbacks = bt_callbacks_list_new(CONFIG_BLUETOOTH_MAX_REGISTER_NUM);
#ifdef CONFIG_BLUETOOTH_FEATURE
handle = bt_remote_callbacks_register(ins->avrcp_control_callbacks, ins, (void*)callbacks);
#else
handle = bt_remote_callbacks_register(ins->avrcp_control_callbacks, NULL, (void*)callbacks);
#endif
if (handle == NULL) {
bt_callbacks_list_free(ins->avrcp_control_callbacks);
ins->avrcp_control_callbacks = NULL;
return handle;
}
status = bt_socket_client_sendrecv(ins, &packet, BT_AVRCP_CONTROL_REGISTER_CALLBACKS);
if (status != BT_STATUS_SUCCESS || packet.avrcp_control_r.status != BT_STATUS_SUCCESS) {
bt_callbacks_list_free(ins->avrcp_control_callbacks);
ins->avrcp_control_callbacks = NULL;
return NULL;
}
return handle;
}
bool bt_avrcp_control_unregister_callbacks(bt_instance_t* ins, void* cookie)
{
bt_message_packet_t packet;
bt_status_t status;
callbacks_list_t* cbsl;
BT_SOCKET_INS_VALID(ins, false);
if (!ins->avrcp_control_callbacks)
return false;
bt_remote_callbacks_unregister(ins->avrcp_control_callbacks, NULL, cookie);
if (bt_callbacks_list_count(ins->avrcp_control_callbacks) > 0) {
return true;
}
cbsl = ins->avrcp_control_callbacks;
ins->avrcp_control_callbacks = NULL;
bt_socket_client_free_callbacks(ins, cbsl);
status = bt_socket_client_sendrecv(ins, &packet, BT_AVRCP_CONTROL_UNREGISTER_CALLBACKS);
if (status != BT_STATUS_SUCCESS || packet.avrcp_control_r.status != BT_STATUS_SUCCESS) {
return false;
}
return true;
}
bt_status_t bt_avrcp_control_get_element_attributes(bt_instance_t* ins, bt_address_t* addr)
{
bt_message_packet_t packet;
bt_status_t status;
BT_SOCKET_INS_VALID(ins, BT_STATUS_PARM_INVALID);
memcpy(&packet.avrcp_control_pl._bt_avrcp_control_get_element_attribute.addr, addr, sizeof(packet.avrcp_control_pl._bt_avrcp_control_get_element_attribute.addr));
status = bt_socket_client_sendrecv(ins, &packet, BT_AVRCP_CONTROL_GET_ELEMENT_ATTRIBUTES);
if (status != BT_STATUS_SUCCESS) {
return status;
}
return packet.avrcp_control_r.status;
}
bt_status_t bt_avrcp_control_send_passthrough_cmd(bt_instance_t* ins, bt_address_t* addr, uint8_t cmd, uint8_t state)
{
bt_message_packet_t packet;
bt_status_t status;
BT_SOCKET_INS_VALID(ins, BT_STATUS_PARM_INVALID);
memcpy(&packet.avrcp_control_pl._bt_avrcp_control_send_passthrough_cmd.addr, addr, sizeof(packet.avrcp_control_pl._bt_avrcp_control_send_passthrough_cmd.addr));
packet.avrcp_control_pl._bt_avrcp_control_send_passthrough_cmd.cmd = cmd;
packet.avrcp_control_pl._bt_avrcp_control_send_passthrough_cmd.state = state;
status = bt_socket_client_sendrecv(ins, &packet, BT_AVRCP_CT_SEND_PASSTHROUGH_CMD);
if (status != BT_STATUS_SUCCESS) {
return status;
}
return packet.avrcp_control_r.status;
}