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avrcp: extend AVRCP_SUBEVENT_CONNECTION_ESTABLISHED with con_handle

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This commit is contained in:
Milanka Ringwald 2020-09-30 12:52:36 +02:00
parent 146fc0fb6e
commit 7dbc6cb88b
4 changed files with 44 additions and 25 deletions
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5
src/btstack_defines.h
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@ -2246,11 +2246,12 @@ typedef uint8_t sm_key_t[16];
#define AVRCP_SUBEVENT_ENABLE_NOTIFICATION_COMPLETE 0x11
/**
* @format 11B2
* @format 112B2
* @param subevent_code
* @param status 0 == OK
* @param bd_addr
* @param avrcp_cid
* @param bd_addr
* @param con_handle
*/
#define AVRCP_SUBEVENT_CONNECTION_ESTABLISHED 0x12

29
src/btstack_event.h
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@ -6228,15 +6228,6 @@ static inline uint8_t avrcp_subevent_enable_notification_complete_get_notificati
static inline uint8_t avrcp_subevent_connection_established_get_status(const uint8_t * event){
return event[3];
}
/**
* @brief Get field bd_addr from event AVRCP_SUBEVENT_CONNECTION_ESTABLISHED
* @param event packet
* @param Pointer to storage for bd_addr
* @note: btstack_type B
*/
static inline void avrcp_subevent_connection_established_get_bd_addr(const uint8_t * event, bd_addr_t bd_addr){
reverse_bytes(&event[4], bd_addr, 6);
}
/**
* @brief Get field avrcp_cid from event AVRCP_SUBEVENT_CONNECTION_ESTABLISHED
* @param event packet
@ -6244,7 +6235,25 @@ static inline void avrcp_subevent_connection_established_get_bd_addr(const uint8
* @note: btstack_type 2
*/
static inline uint16_t avrcp_subevent_connection_established_get_avrcp_cid(const uint8_t * event){
return little_endian_read_16(event, 10);
return little_endian_read_16(event, 4);
}
/**
* @brief Get field bd_addr from event AVRCP_SUBEVENT_CONNECTION_ESTABLISHED
* @param event packet
* @param Pointer to storage for bd_addr
* @note: btstack_type B
*/
static inline void avrcp_subevent_connection_established_get_bd_addr(const uint8_t * event, bd_addr_t bd_addr){
reverse_bytes(&event[6], bd_addr, 6);
}
/**
* @brief Get field con_handle from event AVRCP_SUBEVENT_CONNECTION_ESTABLISHED
* @param event packet
* @return con_handle
* @note: btstack_type 2
*/
static inline uint16_t avrcp_subevent_connection_established_get_con_handle(const uint8_t * event){
return little_endian_read_16(event, 12);
}
/**

33
src/classic/avrcp.c
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@ -427,18 +427,20 @@ static void avrcp_finalize_connection(avrcp_connection_t * connection){
btstack_memory_avrcp_connection_free(connection);
}
static void avrcp_emit_connection_established(uint16_t avrcp_cid, bd_addr_t addr, uint8_t status){
static void avrcp_emit_connection_established(uint16_t avrcp_cid, bd_addr_t addr, hci_con_handle_t con_handle, uint8_t status){
btstack_assert(avrcp_callback != NULL);
uint8_t event[12];
uint8_t event[14];
int pos = 0;
event[pos++] = HCI_EVENT_AVRCP_META;
event[pos++] = sizeof(event) - 2;
event[pos++] = AVRCP_SUBEVENT_CONNECTION_ESTABLISHED;
event[pos++] = status;
little_endian_store_16(event, pos, avrcp_cid);
pos += 2;
reverse_bd_addr(addr,&event[pos]);
pos += 6;
little_endian_store_16(event, pos, avrcp_cid);
little_endian_store_16(event, pos, con_handle);
pos += 2;
(*avrcp_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
@ -580,7 +582,7 @@ void avrcp_handle_sdp_client_query_attribute_value(uint8_t *packet){
static void avrcp_handle_sdp_query_failed(avrcp_connection_t * connection, uint8_t status){
if (connection == NULL) return;
log_info("AVRCP: SDP query failed with status 0x%02x.", status);
avrcp_emit_connection_established(connection->avrcp_cid, connection->remote_addr, status);
avrcp_emit_connection_established(connection->avrcp_cid, connection->remote_addr, connection->con_handle, status);
avrcp_finalize_connection(connection);
}
@ -652,7 +654,7 @@ static void avrcp_handle_sdp_client_query_result(uint8_t packet_type, uint16_t c
}
static avrcp_connection_t * avrcp_handle_incoming_connection_for_role(avrcp_role_t role, avrcp_connection_t * connection, bd_addr_t event_addr, uint16_t local_cid, uint16_t avrcp_cid){
static avrcp_connection_t * avrcp_handle_incoming_connection_for_role(avrcp_role_t role, avrcp_connection_t * connection, bd_addr_t event_addr, hci_con_handle_t con_handle, uint16_t local_cid, uint16_t avrcp_cid){
if (connection == NULL){
connection = avrcp_create_connection(role, event_addr);
}
@ -660,14 +662,16 @@ static avrcp_connection_t * avrcp_handle_incoming_connection_for_role(avrcp_role
connection->state = AVCTP_CONNECTION_W4_L2CAP_CONNECTED;
connection->l2cap_signaling_cid = local_cid;
connection->avrcp_cid = avrcp_cid;
connection->con_handle = con_handle;
btstack_run_loop_remove_timer(&connection->retry_timer);
}
return connection;
}
static void avrcp_handle_open_connection(avrcp_connection_t * connection, uint16_t local_cid, uint16_t l2cap_mtu){
static void avrcp_handle_open_connection(avrcp_connection_t * connection, hci_con_handle_t con_handle, uint16_t local_cid, uint16_t l2cap_mtu){
connection->l2cap_signaling_cid = local_cid;
connection->l2cap_mtu = l2cap_mtu;
connection->con_handle = con_handle;
connection->incoming_declined = false;
connection->song_length_ms = 0xFFFFFFFF;
connection->song_position_ms = 0xFFFFFFFF;
@ -715,6 +719,7 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
uint8_t status;
bool decline_connection;
bool outoing_active;
hci_con_handle_t con_handle;
avrcp_connection_t * connection_controller;
avrcp_connection_t * connection_target;
@ -729,8 +734,9 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
l2cap_event_incoming_connection_get_address(packet, event_addr);
local_cid = l2cap_event_incoming_connection_get_local_cid(packet);
con_handle = l2cap_event_incoming_connection_get_handle(packet);
outoing_active = false;
connection_target = avrcp_get_connection_for_bd_addr_for_role(AVRCP_TARGET, event_addr);
if (connection_target != NULL){
if (connection_target->state == AVCTP_CONNECTION_W4_L2CAP_CONNECTED){
@ -756,8 +762,8 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
avrcp_cid = connection_controller->avrcp_cid;
}
// create two connection objects (both)
connection_target = avrcp_handle_incoming_connection_for_role(AVRCP_TARGET, connection_target, event_addr, local_cid, avrcp_cid);
connection_controller = avrcp_handle_incoming_connection_for_role(AVRCP_CONTROLLER, connection_controller, event_addr, local_cid, avrcp_cid);
connection_target = avrcp_handle_incoming_connection_for_role(AVRCP_TARGET, connection_target, event_addr, con_handle, local_cid, avrcp_cid);
connection_controller = avrcp_handle_incoming_connection_for_role(AVRCP_CONTROLLER, connection_controller, event_addr, con_handle, local_cid, avrcp_cid);
if ((connection_target == NULL) || (connection_controller == NULL)){
decline_connection = true;
if (connection_target) {
@ -781,6 +787,7 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
status = l2cap_event_channel_opened_get_status(packet);
local_cid = l2cap_event_channel_opened_get_local_cid(packet);
l2cap_mtu = l2cap_event_channel_opened_get_remote_mtu(packet);
con_handle = l2cap_event_channel_opened_get_handle(packet);
connection_controller = avrcp_get_connection_for_bd_addr_for_role(AVRCP_CONTROLLER, event_addr);
connection_target = avrcp_get_connection_for_bd_addr_for_role(AVRCP_TARGET, event_addr);
@ -793,9 +800,9 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
switch (status){
case ERROR_CODE_SUCCESS:
avrcp_handle_open_connection(connection_target, local_cid, l2cap_mtu);
avrcp_handle_open_connection(connection_controller, local_cid, l2cap_mtu);
avrcp_emit_connection_established(connection_controller->avrcp_cid, event_addr, status);
avrcp_handle_open_connection(connection_target, con_handle, local_cid, l2cap_mtu);
avrcp_handle_open_connection(connection_controller, con_handle, local_cid, l2cap_mtu);
avrcp_emit_connection_established(connection_controller->avrcp_cid, event_addr, con_handle, status);
return;
case L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES:
if (connection_controller->incoming_declined == true){
@ -812,7 +819,7 @@ static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
break;
}
log_info("L2CAP connection to connection %s failed. status code 0x%02x", bd_addr_to_str(event_addr), status);
avrcp_emit_connection_established(connection_controller->avrcp_cid, event_addr, status);
avrcp_emit_connection_established(connection_controller->avrcp_cid, event_addr, con_handle, status);
avrcp_finalize_connection(connection_controller);
avrcp_finalize_connection(connection_target);

2
src/classic/avrcp.h
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@ -449,6 +449,8 @@ typedef struct {
uint16_t l2cap_signaling_cid;
uint16_t l2cap_mtu;
uint16_t avrcp_cid;
hci_con_handle_t con_handle;
bool incoming_declined;
uint16_t avrcp_browsing_cid;