PM0237 datasheet(70/88 Pages) STMICROELECTRONICS

70 / 88 page

Design an application using BlueNRG, BlueNRG-MS ACI APIs

PM0237

70/88

DocID027104 Rev 2

/* Get the vendor event data */

evt_blue_aci *blue_evt = (void*)event_pckt->data;

switch(blue_evt->ecode){

case EVT_BLUE_ATT_READ_BY_GROUP_RESP:

{

evt_att_read_by_group_resp *pr = (void*)blue_evt->data;

/* evt_att_read_by_group_resp parameters:

pr->conn_handle: connection handle;

pr->event_data_length: total length of the event data;

pr->attribute_data_length: length of each specific data within the

attribute_data_list[];

pr->attribute_data_list[]: event data.

/* Add user code for decoding the pr->attribute_data_list[] and getting

the services handle, end group handle and service uuid */

..........

}/* EVT_BLUE_ATT_READ_BY_GROUP_RESP */

break;

case EVT_BLUE_GATT_PROCEDURE_COMPLETE:

{

evt_gatt_procedure_complete *pr = (void*)blue_evt->data;

/* evt_gatt_procedure_complete parameters:

pr->conn_handle: connection handle;

pr->attribute_data_length: length of the event data;

pr->data[]: event data.

/* If needed, add user code for using the event data */

.......

}/* EVT_BLUE_GATT_PROCEDURE_COMPLETE */

break;

}/* switch(blue_evt->ecode) */

}/* EVT_VENDOR */

break;

}/* switch(evt->subevent)*/

}/* end HCI_Event_CB() */

In the context of the Sensor Profile Demo, the GAP Central application should get three

EVT_BLUE_ATT_READ_BY_GROUP_RESP

events, with following

evt_att_read_by_group_resp

data:

First evt_att_read_by_group_resp event data

pr->conn_handle : 0x0801 (connection handle);

pr->event_data_length: 0x0D (length of the event data);

pr->handle_value_pair_length: 0x06 length of each discovered service

data: service handle, end group handle, service uuid);

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