/****************************************************************************
*NAME
* AvrcpGetElementAttributes
*
*DESCRIPTION
* API function to request GetElementAttributes.
*
*PARAMETERS
* avrcp - Task
* identifier_high - Element identifier is 8 octets in big-endian format,
* this parameter should be the most significant 4
* octets. Currently only allowed identifier value is
* PLAYING (0x0), so it must be set to 0.
* identifier_low - least significant 4 octets of the element identifier.
* currently allowed value is only PLAYING(0x0), so it
* must be set to 0.
* size_attributes - Size of attributes in Bytes
* attributes - list of attributes.
*
*RETURN
* AVRCP_GET_ELEMENT_ATTRIBUTES_CFM
*******************************************************************************/
void AvrcpGetElementAttributes(AVRCP *avrcp,
uint32 identifier_high,
uint32 identifier_low,
uint16 size_attributes,
Source attributes)
{
uint8 extra_params[AVRCP_GET_ELEMENTS_HDR_SIZE];
avrcp_status_code status;
/* Fill in the extra Header for Get Elements which is Identifier and
number of elements*/
convertUint32ToUint8Values(&extra_params[0], identifier_high);
convertUint32ToUint8Values(&extra_params[4], identifier_low);
extra_params[8] = size_attributes/4;
status = avrcpMetadataStatusCommand(avrcp,
AVRCP_GET_ELEMENT_ATTRIBUTES_PDU_ID,
avrcp_get_element_attributes,
AVRCP_GET_ELEMENTS_HDR_SIZE,
extra_params,size_attributes,
attributes);
if (status != avrcp_success)
{
avrcpSendCommonFragmentedMetadataCfm(avrcp, status,
AVRCP_GET_ELEMENT_ATTRIBUTES_CFM,
0, 0, 0);
}
}
/****************************************************************************
*NAME
* AvrcpConnect
*
*DESCRIPTION
* API function to request Continuing Response.
*
*PARAMETERS
* avrcp - Task
* pdu_id - PDU_ID of the received fragmented message which requires
* a continuation response.
*
*RETURN
* AVRCP_REQUEST_CONTINUING_RESPONSE_CFM
*******************************************************************************/
void AvrcpRequestContinuing(AVRCP *avrcp, uint16 pdu_id)
{
uint8 params[] = {0};
avrcp_status_code status;
params[0] = pdu_id & 0xFF;
status = avrcpMetadataStatusCommand(avrcp,
AVRCP_REQUEST_CONTINUING_RESPONSE_PDU_ID,
avrcp_request_continuation, 1,
params, 0,0);
if (status != avrcp_success)
{
MAKE_AVRCP_MESSAGE(AVRCP_REQUEST_CONTINUING_RESPONSE_CFM);
message->avrcp = avrcp;
message->status = status;
message->pdu_id = params[0];
#ifdef AVRCP_ENABLE_DEPRECATED
/* Deprecated fields will be removed later */
message->transaction = 0;
#endif
MessageSend(avrcp->clientTask,
AVRCP_REQUEST_CONTINUING_RESPONSE_CFM, message);
}
}
/****************************************************************************
*NAME
* AvrcpGetPlayStatus
*
*DESCRIPTION
* API function to request GetPlayStatus
*
*PARAMETERS
* avrcp - Task
*
*RETURN
* AVRCP_GET_PLAY_STATUS_CFM
*****************************************************************************/
void AvrcpGetPlayStatus(AVRCP *avrcp)
{
avrcp_status_code status = avrcpMetadataStatusCommand(avrcp,
AVRCP_GET_PLAY_STATUS_PDU_ID,
avrcp_get_play_status,
0, 0, 0, 0);
if (status != avrcp_success)
{
avrcpSendGetPlayStatusCfm(avrcp, status, 0, 0, 0, 0);
}
}
/****************************************************************************
* NAME
* AvrcpListAppAttributeRequest
*
* DESCRIPTION
* API to send ListPlayerApplicationSettingAttributes Command to the TG. On
* completion this API, library returns the message AVRCP_LIST_APP_ATTRIBUTE_CFM.
* All parameters are described in the header file.
*******************************************************************************/
void AvrcpListAppAttributeRequest( AVRCP *avrcp )
{
avrcp_status_code status = avrcpMetadataStatusCommand(avrcp,
AVRCP_LIST_APP_ATTRIBUTES_PDU_ID,
avrcp_list_app_attributes,
0, 0, 0, 0);
if (status != avrcp_success)
{
avrcpSendCommonFragmentedMetadataCfm(avrcp, status,
AVRCP_LIST_APP_ATTRIBUTE_CFM,
0, 0, 0);
}
}
/****************************************************************************
*NAME
* AvrcpAbortContinuing
*
*DESCRIPTION
* API function to Abort Continuing Response.
*
*PARAMETERS
* avrcp - Task
* pdu_id - PDU_ID of the received fragmented message to abort.
*
*RETURN
* AVRCP_ABORT_CONTINUING_RESPONSE_CFM
*******************************************************************************/
void AvrcpAbortContinuing(AVRCP *avrcp, uint16 pdu_id)
{
uint8 params[] = {0};
avrcp_status_code status;
params[0] = pdu_id & 0xFF;
status = avrcpMetadataStatusCommand(avrcp,
AVRCP_ABORT_CONTINUING_RESPONSE_PDU_ID,
avrcp_abort_continuation, 1, params, 0, 0);
if (status != avrcp_success)
{
avrcpSendCommonMetadataCfm(avrcp, status,
AVRCP_ABORT_CONTINUING_RESPONSE_CFM);
}
}
/****************************************************************************
* NAME
* AvrcpListAppValueRequest
*
* DESCRIPTION
* API to send ListPlayerApplicationSettingValue to the CT.
* All parameters are described in the header file.
*******************************************************************************/
void AvrcpListAppValueRequest(AVRCP *avrcp, uint16 attribute_id)
{
uint8 status_params[] = {0};
avrcp_status_code status;
status_params[0] = attribute_id;
status = avrcpMetadataStatusCommand(avrcp, AVRCP_LIST_APP_VALUE_PDU_ID,
avrcp_list_app_values,
sizeof(status_params),
status_params, 0, 0);
if (status != avrcp_success)
{
avrcpSendCommonFragmentedMetadataCfm(avrcp, status,
AVRCP_LIST_APP_VALUE_CFM,
0, 0, 0);
}
}
/****************************************************************************
*NAME
* AvrcpRegisterNotification
*
*DESCRIPTION
* CT shall use this API function to register Event Notifications
*
*PARAMETERS
* avrcp - AVRCP Entity
* event_id - Event to be registered with TG for notifications.
* playback_interval- Only applicable to EVENT_PLAYBACK_POS_CHANGED
*
*MESSAGE RETURNED
* EVENT_IND messages on Event notifications from TG.
*****************************************************************************/
void AvrcpRegisterNotification(AVRCP *avrcp,
avrcp_supported_events event_id,
uint32 playback_interval)
{
uint8 params[5];
avrcp_status_code status;
params[0] = event_id & 0xFF;
convertUint32ToUint8Values(¶ms[1], playback_interval);
status = avrcpMetadataStatusCommand(avrcp,
AVRCP_REGISTER_NOTIFICATION_PDU_ID,
event_id + avrcp_events_start_dummy,
sizeof(params), params, 0, 0);
if (status != avrcp_success)
{
avrcpSendRegisterNotificationFailCfm(avrcp, status, event_id);
}
}
/****************************************************************************
*NAME
* AvrcpGetAppValueRequest
*
*DESCRIPTION
* API function to send GetCurrentPlayerApplicationSettingValue Request from CT.
* All parameters are described in the header file.
******************************************************************************/
void AvrcpGetAppValueRequest( AVRCP *avrcp,
uint16 size_attributes,
Source attributes )
{
uint8 extra_params[AVRCP_APP_NUM_ATTR_HDR_SIZE];
avrcp_status_code status;
extra_params[0] = size_attributes;
status = avrcpMetadataStatusCommand(avrcp, AVRCP_GET_APP_VALUE_PDU_ID,
avrcp_get_app_values,
AVRCP_APP_NUM_ATTR_HDR_SIZE,
extra_params,
size_attributes,
attributes);
if (status != avrcp_success)
{
avrcpSendCommonFragmentedMetadataCfm(avrcp, status,
AVRCP_GET_APP_VALUE_CFM, 0, 0, 0);
}
}
/****************************************************************************
*NAME
* AvrcpGetAppValueText
*
*DESCRIPTION
* API function to send GetAppSettingValueText Request from CT.
* All parameters are described in the header file.
*****************************************************************************/
void AvrcpGetAppValueTextRequest( AVRCP *avrcp,
uint16 attribute_id,
uint16 size_values,
Source values )
{
uint8 extra_params[AVRCP_APP_VAL_TXT_HDR_SIZE];
avrcp_status_code status;
extra_params[0] = attribute_id;
extra_params[1] = size_values;
status = avrcpMetadataStatusCommand(avrcp,
AVRCP_GET_APP_VALUE_TEXT_PDU_ID,
avrcp_get_app_value_text,
AVRCP_APP_VAL_TXT_HDR_SIZE,
extra_params,size_values,values);
if (status != avrcp_success)
{
avrcpSendCommonFragmentedMetadataCfm(avrcp, status,
AVRCP_GET_APP_VALUE_TEXT_CFM,
0, 0, 0);
}
}
