/*******************************************************************************
**
** Function bta_gattc_sm_execute
**
** Description State machine event handling function for GATTC
**
**
** Returns BOOLEAN : TRUE if queued client request buffer can be immediately released
** else FALSE
**
*******************************************************************************/
BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data)
{
tBTA_GATTC_ST_TBL state_table;
UINT8 action;
int i;
BOOLEAN rt = TRUE;
#if BTA_GATT_DEBUG == TRUE
tBTA_GATTC_STATE in_state = p_clcb->state;
UINT16 in_event = event;
APPL_TRACE_DEBUG("bta_gattc_sm_execute: State 0x%02x [%s], Event 0x%x[%s]", in_state,
gattc_state_code(in_state),
in_event,
gattc_evt_code(in_event));
#endif
/* look up the state table for the current state */
state_table = bta_gattc_st_tbl[p_clcb->state];
event &= 0x00FF;
/* set next state */
p_clcb->state = state_table[event][BTA_GATTC_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_GATTC_ACTIONS; i++)
{
if ((action = state_table[event][i]) != BTA_GATTC_IGNORE)
{
(*bta_gattc_action[action])(p_clcb, p_data);
if (p_clcb->p_q_cmd == p_data) {
/* buffer is queued, don't free in the bta dispatcher.
* we free it ourselves when a completion event is received.
*/
rt = FALSE;
}
}
else
{
break;
}
}
#if BTA_GATT_DEBUG == TRUE
if (in_state != p_clcb->state)
{
APPL_TRACE_DEBUG("GATTC State Change: [%s] -> [%s] after Event [%s]",
gattc_state_code(in_state),
gattc_state_code(p_clcb->state),
gattc_evt_code(in_event));
}
#endif
return rt;
}
/*******************************************************************************
**
** Function bta_gattc_sm_execute
**
** Description State machine event handling function for GATTC
**
**
** Returns void
**
*******************************************************************************/
void bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data)
{
tBTA_GATTC_ST_TBL state_table;
UINT8 action;
int i;
#if BTA_GATT_DEBUG == TRUE
tBTA_GATTC_STATE in_state = p_clcb->state;
UINT16 in_event = event;
APPL_TRACE_DEBUG4("bta_gattc_sm_execute: State 0x%02x [%s], Event 0x%x[%s]", in_state,
gattc_state_code(in_state),
in_event,
gattc_evt_code(in_event));
#endif
/* look up the state table for the current state */
state_table = bta_gattc_st_tbl[p_clcb->state];
event &= 0x00FF;
/* set next state */
p_clcb->state = state_table[event][BTA_GATTC_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_GATTC_ACTIONS; i++)
{
if ((action = state_table[event][i]) != BTA_GATTC_IGNORE)
{
(*bta_gattc_action[action])(p_clcb, p_data);
}
else
{
break;
}
}
#if BTA_GATT_DEBUG == TRUE
if (in_state != p_clcb->state)
{
APPL_TRACE_DEBUG3("GATTC State Change: [%s] -> [%s] after Event [%s]",
gattc_state_code(in_state),
gattc_state_code(p_clcb->state),
gattc_evt_code(in_event));
}
#endif
}
/*******************************************************************************
**
** Function bta_gattc_hdl_event
**
** Description GATT client main event handling function.
**
**
** Returns void
**
*******************************************************************************/
BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg)
{
tBTA_GATTC_CB *p_cb = &bta_gattc_cb;
tBTA_GATTC_CLCB *p_clcb = NULL;
#if BTA_GATT_DEBUG == TRUE
APPL_TRACE_DEBUG1("bta_gattc_hdl_event: Event [%s]", gattc_evt_code(p_msg->event));
#endif
switch (p_msg->event)
{
case BTA_GATTC_API_REG_EVT:
bta_gattc_register(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_INT_START_IF_EVT:
bta_gattc_start_if(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_DEREG_EVT:
bta_gattc_deregister(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_INT_DEREG_EVT:
bta_gattc_int_deregister(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_OPEN_EVT:
bta_gattc_process_api_open(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_CANCEL_OPEN_EVT:
bta_gattc_process_api_open_cancel(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_REFRESH_EVT:
bta_gattc_process_api_refresh(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
default:
if ((p_clcb = bta_gattc_find_clcb_by_conn_id(p_msg->layer_specific))
!= NULL)
{
bta_gattc_sm_execute(p_clcb, p_msg->event, (tBTA_GATTC_DATA *) p_msg);
}
else
{
APPL_TRACE_ERROR1("Unknown conn ID: %d", p_msg->layer_specific);
}
break;
}
return(TRUE);
}
/*******************************************************************************
**
** Function bta_gattc_hdl_event
**
** Description GATT client main event handling function.
**
**
** Returns void
**
*******************************************************************************/
BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg)
{
tBTA_GATTC_CB *p_cb = &bta_gattc_cb;
tBTA_GATTC_CLCB *p_clcb = NULL;
tBTA_GATTC_RCB *p_clreg;
#if BTA_GATT_DEBUG == TRUE
APPL_TRACE_DEBUG1("bta_gattc_hdl_event: Event [%s]", gattc_evt_code(p_msg->event));
#endif
switch (p_msg->event)
{
case BTA_GATTC_API_DISABLE_EVT:
bta_gattc_disable(p_cb);
break;
case BTA_GATTC_API_REG_EVT:
bta_gattc_register(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_INT_START_IF_EVT:
bta_gattc_start_if(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_DEREG_EVT:
p_clreg = bta_gattc_cl_get_regcb(((tBTA_GATTC_DATA *)p_msg)->api_dereg.client_if);
bta_gattc_deregister(p_cb, p_clreg);
break;
case BTA_GATTC_API_OPEN_EVT:
bta_gattc_process_api_open(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_CANCEL_OPEN_EVT:
bta_gattc_process_api_open_cancel(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_REFRESH_EVT:
bta_gattc_process_api_refresh(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
#if BLE_INCLUDED == TRUE
case BTA_GATTC_API_LISTEN_EVT:
bta_gattc_listen(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_BROADCAST_EVT:
bta_gattc_broadcast(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
#endif
case BTA_GATTC_ENC_CMPL_EVT:
bta_gattc_process_enc_cmpl(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
default:
if (p_msg->event == BTA_GATTC_INT_CONN_EVT)
p_clcb = bta_gattc_find_int_conn_clcb((tBTA_GATTC_DATA *) p_msg);
else if (p_msg->event == BTA_GATTC_INT_DISCONN_EVT)
p_clcb = bta_gattc_find_int_disconn_clcb((tBTA_GATTC_DATA *) p_msg);
else
p_clcb = bta_gattc_find_clcb_by_conn_id(p_msg->layer_specific);
if (p_clcb != NULL)
{
bta_gattc_sm_execute(p_clcb, p_msg->event, (tBTA_GATTC_DATA *) p_msg);
}
else
{
APPL_TRACE_DEBUG1("Ignore unknown conn ID: %d", p_msg->layer_specific);
}
break;
}
return(TRUE);
}
