/*******************************************************************************
**
** Function bta_ag_sm_execute
**
** Description State machine event handling function for AG
**
**
** Returns void
**
*******************************************************************************/
void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data)
{
tBTA_AG_ST_TBL state_table;
UINT8 action;
int i;
#if BTA_AG_DEBUG == TRUE
UINT16 in_event = event;
UINT8 in_state = p_scb->state;
/* Ignore displaying of AT results when not connected (Ignored in state machine) */
if (in_event != BTA_AG_API_RESULT_EVT || p_scb->state == BTA_AG_OPEN_ST)
{
APPL_TRACE_EVENT5("AG evt (hdl 0x%04x): State %d (%s), Event 0x%04x (%s)",
bta_ag_scb_to_idx(p_scb),
p_scb->state, bta_ag_state_str(p_scb->state),
event, bta_ag_evt_str(event, p_data->api_result.result));
}
#else
APPL_TRACE_EVENT3("AG evt (hdl 0x%04x): State %d, Event 0x%04x",
bta_ag_scb_to_idx(p_scb), p_scb->state, event);
#endif
event &= 0x00FF;
if (event >= (BTA_AG_MAX_EVT & 0x00FF))
{
APPL_TRACE_ERROR0("AG evt out of range, ignoring...");
return;
}
/* look up the state table for the current state */
state_table = bta_ag_st_tbl[p_scb->state];
/* set next state */
p_scb->state = state_table[event][BTA_AG_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_AG_ACTIONS; i++)
{
if ((action = state_table[event][i]) != BTA_AG_IGNORE)
{
(*bta_ag_action[action])(p_scb, p_data);
}
else
{
break;
}
}
#if BTA_AG_DEBUG == TRUE
if (p_scb->state != in_state)
{
APPL_TRACE_EVENT3("BTA AG State Change: [%s] -> [%s] after Event [%s]",
bta_ag_state_str(in_state),
bta_ag_state_str(p_scb->state),
bta_ag_evt_str(in_event, p_data->api_result.result));
}
#endif
}
/*******************************************************************************
**
** Function bta_pan_sm_execute
**
** Description State machine event handling function for PAN
**
**
** Returns void
**
*******************************************************************************/
static void bta_pan_sm_execute(tBTA_PAN_SCB *p_scb, UINT16 event, tBTA_PAN_DATA *p_data)
{
tBTA_PAN_ST_TBL state_table;
UINT8 action;
int i;
APPL_TRACE_EVENT3("PAN scb=%d event=0x%x state=%d", bta_pan_scb_to_idx(p_scb), event, p_scb->state);
/* look up the state table for the current state */
state_table = bta_pan_st_tbl[p_scb->state];
event &= 0x00FF;
/* set next state */
p_scb->state = state_table[event][BTA_PAN_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_PAN_ACTIONS; i++)
{
if ((action = state_table[event][i]) != BTA_PAN_IGNORE)
{
(*bta_pan_action[action])(p_scb, p_data);
}
else
{
break;
}
}
}
/*******************************************************************************
**
** Function bta_ma_get_body_length
**
** Description Returns the combined length in characters of the message
** content.
**
** Parameters p_body - pointer to bBody structure.
**
** Returns Length of the body message text.
**
*******************************************************************************/
UINT32 bta_ma_get_body_length(tBTA_MA_BMSG_BODY * p_body)
{
UINT32 length = 0, len=0;
tBTA_MA_BMSG_CONTENT * p_content;
char * p_text;
APPL_TRACE_EVENT0("bta_ma_get_body_length");
p_content = BTA_MaBmsgGetContentFromBody(p_body);
while ( p_content )
{
p_text= BTA_MaBmsgGetMsgContent(p_content);
while ( p_text )
{
len = strlen(p_text);
length += len;
APPL_TRACE_EVENT3("total=%d len=%d text=%s",length, len, p_text);
p_text = BTA_MaBmsgGetNextMsgContent(p_content);
}
p_content = BTA_MaBmsgGetNextContent(p_content);
}
APPL_TRACE_EVENT1("bta_ma_get_body_length len=%d", length);
return( length );
}
/*******************************************************************************
**
** Function bta_hd_sm_execute
**
** Description State machine event handling function for HID Device
**
** Returns void
**
*******************************************************************************/
void bta_hd_sm_execute(UINT16 event, tBTA_HD_DATA * p_data)
{
tBTA_HD_ST_TBL state_table;
tBTA_HD_STATE prev_state;
UINT8 action;
tBTA_HD cback_data;
tBTA_HD_EVT cback_event = 0;
APPL_TRACE_EVENT5("%s: state=%s (%d) event=%s (%d)", __FUNCTION__,
bta_hd_state_code(bta_hd_cb.state), bta_hd_cb.state,
bta_hd_evt_code(event), event);
prev_state = bta_hd_cb.state;
memset(&cback_data, 0, sizeof(tBTA_HD));
state_table = bta_hd_st_tbl[bta_hd_cb.state];
event &= 0xff;
if ((action = state_table[event][BTA_HD_ACTION]) != BTA_HD_IGNORE)
{
(*bta_hd_action[action])(p_data);
}
bta_hd_cb.state = state_table[event][BTA_HD_NEXT_STATE] ;
if (bta_hd_cb.state != prev_state)
{
APPL_TRACE_EVENT3("%s: [new] state=%s (%d)", __FUNCTION__,
bta_hd_state_code(bta_hd_cb.state), bta_hd_cb.state);
}
return;
}
/*******************************************************************************
**
** Function bta_hh_sdp_cback
**
** Description SDP callback function.
**
** Returns void
**
*******************************************************************************/
static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask,
tHID_DEV_SDP_INFO *sdp_rec )
{
tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur;
UINT8 hdl;
tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
/* make sure sdp succeeded and hh has not been disabled */
if ((result == SDP_SUCCESS) && (p_cb != NULL))
{
/* security is required for the connection, add attr_mask bit*/
if (p_cb->sec_mask)
attr_mask |= HID_SEC_REQUIRED;
#if BTA_HH_DEBUG
APPL_TRACE_EVENT3("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \
attr_mask 0x%02x", \
p_cb, result, attr_mask);
#endif
/* check to see type of device is supported , and should not been added before */
if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class))
{
/* if not added before */
if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
{
/* add device/update attr_mask information */
if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS)
{
status = BTA_HH_OK;
/* update cb_index[] map */
bta_hh_cb.cb_index[hdl] = p_cb->index;
}
else
{
p_cb->app_id = 0;
}
}
/* else : incoming connection after SDP should update the SDP information as well */
if (p_cb->app_id != 0)
{
/* update cb information with attr_mask, dscp_info etc. */
bta_hh_add_device_to_list(p_cb, hdl, attr_mask,
&sdp_rec->dscp_info,
sdp_rec->sub_class,
sdp_rec->ssr_max_latency,
sdp_rec->ssr_min_tout,
p_cb->app_id);
p_cb->dscp_info.ctry_code = sdp_rec->ctry_code;
status = BTA_HH_OK;
}
}
else /* type of device is not supported */
status = BTA_HH_ERR_TOD_UNSPT;
}
/* free disc_db when SDP is completed */
utl_freebuf((void **)&bta_hh_cb.p_disc_db);
/* send SDP_CMPL_EVT into state machine */
bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
return;
}
/*******************************************************************************
**
** Function bta_hh_sm_execute
**
** Description State machine event handling function for HID Host
**
**
** Returns void
**
*******************************************************************************/
void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, tBTA_HH_DATA * p_data)
{
tBTA_HH_ST_TBL state_table;
UINT8 action;
tBTA_HH cback_data;
tBTA_HH_EVT cback_event = 0;
#if BTA_HH_DEBUG == TRUE
tBTA_HH_STATE in_state ;
UINT16 debug_event = event;
#endif
memset(&cback_data, 0, sizeof(tBTA_HH));
/* handle exception, no valid control block was found */
if (!p_cb)
{
/* BTA HH enabled already? otherwise ignore the event although it's bad*/
if (bta_hh_cb.p_cback != NULL)
{
switch (event)
{
/* no control block available for new connection */
case BTA_HH_API_OPEN_EVT:
cback_event = BTA_HH_OPEN_EVT;
/* build cback data */
bdcpy(cback_data.conn.bda, ((tBTA_HH_API_CONN *)p_data)->bd_addr);
cback_data.conn.status = BTA_HH_ERR_DB_FULL;
cback_data.conn.handle = BTA_HH_INVALID_HANDLE;
break;
/* DB full, BTA_HhAddDev */
case BTA_HH_API_MAINT_DEV_EVT:
cback_event = p_data->api_maintdev.sub_event;
if (p_data->api_maintdev.sub_event == BTA_HH_ADD_DEV_EVT)
{
bdcpy(cback_data.dev_info.bda, p_data->api_maintdev.bda);
cback_data.dev_info.status = BTA_HH_ERR_DB_FULL;
cback_data.dev_info.handle = BTA_HH_INVALID_HANDLE;
}
else
{
cback_data.dev_info.status = BTA_HH_ERR_HDL;
cback_data.dev_info.handle = (UINT8)p_data->api_maintdev.hdr.layer_specific;
}
break;
case BTA_HH_API_WRITE_DEV_EVT:
cback_event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) +
BTA_HH_FST_TRANS_CB_EVT;
if (p_data->api_sndcmd.p_data != NULL)
{
GKI_freebuf(p_data->api_sndcmd.p_data);
}
if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL ||
p_data->api_sndcmd.t_type == HID_TRANS_SET_REPORT ||
p_data->api_sndcmd.t_type == HID_TRANS_SET_IDLE)
{
cback_data.dev_status.status = BTA_HH_ERR_HDL;
cback_data.dev_status.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific;
}
else if (p_data->api_sndcmd.t_type != HID_TRANS_DATA &&
p_data->api_sndcmd.t_type != HID_TRANS_CONTROL)
{
cback_data.hs_data.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific;
cback_data.hs_data.status = BTA_HH_ERR_HDL;
/* hs_data.rsp_data will be all zero, which is not valid value */
}
else if (p_data->api_sndcmd.t_type == HID_TRANS_CONTROL &&
p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG)
{
cback_data.status = BTA_HH_ERR_HDL;
cback_event = BTA_HH_VC_UNPLUG_EVT;
}
else
cback_event = 0;
break;
case BTA_HH_API_CLOSE_EVT:
cback_event = BTA_HH_CLOSE_EVT;
cback_data.dev_status.status = BTA_HH_ERR_HDL;
cback_data.dev_status.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific;
break;
default:
/* invalid handle, call bad API event */
APPL_TRACE_ERROR1("wrong device handle: [%d]", p_data->hdr.layer_specific);
break;
}
if (cback_event)
(* bta_hh_cb.p_cback)(cback_event, &cback_data);
}
}
/* corresponding CB is found, go to state machine */
else
{
#if BTA_HH_DEBUG == TRUE
in_state = p_cb->state;
APPL_TRACE_EVENT3("bta_hh_sm_execute: State 0x%02x [%s], Event [%s]",
in_state, bta_hh_state_code(in_state),
bta_hh_evt_code(debug_event));
#endif
if ((p_cb->state == BTA_HH_NULL_ST) || (p_cb->state >= BTA_HH_INVALID_ST))
{
APPL_TRACE_ERROR2("bta_hh_sm_execute: Invalid state State = 0x%x, Event = %d",
p_cb->state,event);
return;
}
state_table = bta_hh_st_tbl[p_cb->state - 1];
event &= 0xff;
p_cb->state = state_table[event][BTA_HH_NEXT_STATE] ;
if ((action = state_table[event][BTA_HH_ACTION]) != BTA_HH_IGNORE)
{
(*bta_hh_action[action])(p_cb, p_data);
}
#if BTA_HH_DEBUG == TRUE
if (in_state != p_cb->state)
{
APPL_TRACE_DEBUG3("HH State Change: [%s] -> [%s] after Event [%s]",
bta_hh_state_code(in_state),
bta_hh_state_code(p_cb->state),
bta_hh_evt_code(debug_event));
}
#endif
}
return;
}
