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avrcp_browsing_target: extend get_folder_items_response function params

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This commit is contained in:
Milanka Ringwald 2024-11-12 08:45:42 +01:00 committed by Matthias Ringwald
parent c47b8cb4bc
commit 19c436db87
2 changed files with 42 additions and 11 deletions
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51
src/classic/avrcp_browsing_target.c
View File

@ -57,7 +57,7 @@ static int avrcp_browsing_target_handle_can_send_now(avrcp_browsing_connection_t
// l2cap_reserve_packet_buffer();
// uint8_t * packet = l2cap_get_outgoing_buffer();
uint8_t packet[300];
uint8_t packet[400];
connection->packet_type = AVRCP_SINGLE_PACKET;
packet[pos++] = (connection->transaction_label << 4) | (connection->packet_type << 2) | (AVRCP_RESPONSE_FRAME << 1) | 0;
@ -259,7 +259,7 @@ void avrcp_browsing_target_register_packet_handler(btstack_packet_handler_t call
avrcp_target_context.browsing_avrcp_callback = callback;
}
uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t avrcp_browsing_cid, uint16_t uid_counter, uint8_t * attr_list, uint16_t attr_list_size){
uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t avrcp_browsing_cid, uint16_t uid_counter, uint8_t * attr_list, uint16_t attr_list_size, uint16_t num_items){
avrcp_connection_t * avrcp_connection = avrcp_get_connection_for_browsing_cid_for_role(AVRCP_TARGET, avrcp_browsing_cid);
if (!avrcp_connection){
log_error("Could not find an AVRCP Target connection for browsing_cid 0x%02x.", avrcp_browsing_cid);
@ -271,16 +271,22 @@ uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t avrcp_brow
log_info("Could not find a browsing connection.");
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
}
if (connection->state != AVCTP_CONNECTION_OPENED) return ERROR_CODE_COMMAND_DISALLOWED;
if (connection->state != AVCTP_CONNECTION_OPENED){
return ERROR_CODE_COMMAND_DISALLOWED;
}
// TODO: handle response to SetAddressedPlayer
uint16_t pos = 0;
connection->cmd_operands[pos++] = AVRCP_PDU_ID_GET_FOLDER_ITEMS;
big_endian_store_16(connection->cmd_operands, pos, attr_list_size);
uint8_t param_length = 5;
uint8_t param_length_pos = pos;
pos += 2;
connection->cmd_operands[pos++] = AVRCP_STATUS_SUCCESS;
avrcp_status_code_t status = AVRCP_STATUS_SUCCESS;
uint8_t status_pos = pos;
pos++;
big_endian_store_16(connection->cmd_operands, pos, uid_counter);
pos += 2;
@ -291,10 +297,35 @@ uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t avrcp_brow
log_info(" todo: list too big, invoke fragmentation");
return 1;
}
(void)memcpy(&connection->cmd_operands[pos], attr_list, attr_list_size);
pos += attr_list_size;
btstack_assert(pos <= 255);
connection->cmd_operands_length = (uint8_t) pos;
uint16_t items_byte_len = 0;
if (connection->start_item < num_items) {
if (connection->end_item < num_items) {
items_byte_len = connection->end_item - connection->start_item + 1;
} else {
items_byte_len = num_items - connection->start_item;
}
} else {
big_endian_store_16(connection->cmd_operands, pos, 0);
pos += 2;
}
big_endian_store_16(connection->cmd_operands, pos, items_byte_len);
pos += 2;
param_length += items_byte_len;
if (items_byte_len > 0){
(void)memcpy(&connection->cmd_operands[pos], attr_list, attr_list_size);
pos += attr_list_size;
} else {
status = AVRCP_STATUS_RANGE_OUT_OF_BOUNDS;
}
big_endian_store_16(connection->cmd_operands, param_length_pos, param_length);
connection->cmd_operands[status_pos] = status;
btstack_assert(pos <= 400);
connection->cmd_operands_length = pos;
connection->state = AVCTP_W2_SEND_RESPONSE;
avrcp_browsing_request_can_send_now(connection, connection->l2cap_browsing_cid);

2
src/classic/avrcp_browsing_target.h
View File

@ -88,7 +88,7 @@ uint8_t avrcp_browsing_target_send_reject_set_browsed_player(uint16_t browsing_c
* @param attr_list
* @param attr_list_size
*/
uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t browsing_cid, uint16_t uid_counter, uint8_t * attr_list, uint16_t attr_list_size);
uint8_t avrcp_browsing_target_send_get_folder_items_response(uint16_t browsing_cid, uint16_t uid_counter, uint8_t * attr_list, uint16_t attr_list_size, uint16_t num_items);
/**
* @brief Send answer to get total number of items query on event AVRCP_SUBEVENT_BROWSING_GET_TOTAL_NUM_ITEMS. The first byte of this event defines the scope of the query, see avrcp_browsing_scope_t.