/*******************************************************************************
**
** Function rw_t2t_process_error
**
** Description Process error including Timeout, Frame error. This function
** will retry atleast till RW_MAX_RETRIES before give up and
** sending negative notification to upper layer
**
** Returns none
**
*******************************************************************************/
static void rw_t2t_process_error (void)
{
tRW_READ_DATA evt_data;
tRW_EVENT rw_event;
BT_HDR *p_cmd_buf;
tRW_T2T_CB *p_t2t = &rw_cb.tcb.t2t;
tT2T_CMD_RSP_INFO *p_cmd_rsp_info = (tT2T_CMD_RSP_INFO *) rw_cb.tcb.t2t.p_cmd_rsp_info;
tRW_DETECT_NDEF_DATA ndef_data;
RW_TRACE_DEBUG1 ("rw_t2t_process_error () State: %u", p_t2t->state);
/* Retry sending command if retry-count < max */
if ( (!p_t2t->check_tag_halt)
&&(rw_cb.cur_retry < RW_MAX_RETRIES) )
{
/* retry sending the command */
rw_cb.cur_retry++;
RW_TRACE_DEBUG2 ("T2T retransmission attempt %i of %i", rw_cb.cur_retry, RW_MAX_RETRIES);
/* allocate a new buffer for message */
if ((p_cmd_buf = (BT_HDR *) GKI_getpoolbuf (NFC_RW_POOL_ID)) != NULL)
{
memcpy (p_cmd_buf, p_t2t->p_cur_cmd_buf, sizeof (BT_HDR) + p_t2t->p_cur_cmd_buf->offset + p_t2t->p_cur_cmd_buf->len);
#if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
/* Update stats */
rw_main_update_tx_stats (p_cmd_buf->len, TRUE);
#endif
if (NFC_SendData (NFC_RF_CONN_ID, p_cmd_buf) == NFC_STATUS_OK)
{
/* Start timer for waiting for response */
nfc_start_quick_timer (&p_t2t->t2_timer, NFC_TTYPE_RW_T2T_RESPONSE,
(RW_T2T_TOUT_RESP * QUICK_TIMER_TICKS_PER_SEC) / 1000);
return;
}
}
}
else
{
if (p_t2t->check_tag_halt)
{
RW_TRACE_DEBUG0 ("T2T Went to HALT State!");
}
else
{
RW_TRACE_DEBUG1 ("T2T maximum retransmission attempts reached (%i)", RW_MAX_RETRIES);
}
}
rw_event = rw_t2t_info_to_event (p_cmd_rsp_info);
#if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
/* update failure count */
rw_main_update_fail_stats ();
#endif
if (p_t2t->check_tag_halt)
{
evt_data.status = NFC_STATUS_REJECTED;
p_t2t->state = RW_T2T_STATE_HALT;
}
else
{
evt_data.status = NFC_STATUS_TIMEOUT;
}
if (rw_event == RW_T2T_NDEF_DETECT_EVT)
{
ndef_data.status = evt_data.status;
ndef_data.protocol = NFC_PROTOCOL_T2T;
ndef_data.flags = RW_NDEF_FL_UNKNOWN;
if (p_t2t->substate == RW_T2T_SUBSTATE_WAIT_READ_LOCKS)
ndef_data.flags = RW_NDEF_FL_FORMATED;
ndef_data.max_size = 0;
ndef_data.cur_size = 0;
/* If not Halt move to idle state */
rw_t2t_handle_op_complete ();
(*rw_cb.p_cback) (rw_event, (tRW_DATA *) &ndef_data);
}
else
{
evt_data.p_data = NULL;
/* If activated and not Halt move to idle state */
if (p_t2t->state != RW_T2T_STATE_NOT_ACTIVATED)
rw_t2t_handle_op_complete ();
p_t2t->substate = RW_T2T_SUBSTATE_NONE;
(*rw_cb.p_cback) (rw_event, (tRW_DATA *) &evt_data);
}
}
/*******************************************************************************
**
** Function rw_t1t_process_error
**
** Description process timeout event
**
** Returns none
**
*******************************************************************************/
static void rw_t1t_process_error (void)
{
tRW_READ_DATA evt_data;
tRW_EVENT rw_event;
BT_HDR *p_cmd_buf;
tRW_T1T_CB *p_t1t = &rw_cb.tcb.t1t;
tT1T_CMD_RSP_INFO *p_cmd_rsp_info = (tT1T_CMD_RSP_INFO *) rw_cb.tcb.t1t.p_cmd_rsp_info;
tRW_DETECT_NDEF_DATA ndef_data;
RW_TRACE_DEBUG1 ("rw_t1t_process_error () State: %u", p_t1t->state);
/* Retry sending command if retry-count < max */
if (rw_cb.cur_retry < RW_MAX_RETRIES)
{
/* retry sending the command */
rw_cb.cur_retry++;
RW_TRACE_DEBUG2 ("T1T retransmission attempt %i of %i", rw_cb.cur_retry, RW_MAX_RETRIES);
/* allocate a new buffer for message */
if ((p_cmd_buf = (BT_HDR *) GKI_getpoolbuf (NFC_RW_POOL_ID)) != NULL)
{
memcpy (p_cmd_buf, p_t1t->p_cur_cmd_buf, sizeof (BT_HDR) + p_t1t->p_cur_cmd_buf->offset + p_t1t->p_cur_cmd_buf->len);
#if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
/* Update stats */
rw_main_update_tx_stats (p_cmd_buf->len, TRUE);
#endif /* RW_STATS_INCLUDED */
if (NFC_SendData (NFC_RF_CONN_ID, p_cmd_buf) == NFC_STATUS_OK)
{
/* Start timer for waiting for response */
nfc_start_quick_timer (&p_t1t->timer, NFC_TTYPE_RW_T1T_RESPONSE,
(RW_T1T_TOUT_RESP * QUICK_TIMER_TICKS_PER_SEC)/1000);
return;
}
}
}
else
{
/* we might get response later to all or some of the retrasnmission
* of the current command, update previous command response information */
RW_TRACE_DEBUG1 ("T1T maximum retransmission attempts reached (%i)", RW_MAX_RETRIES);
p_t1t->prev_cmd_rsp_info.addr = ((p_cmd_rsp_info->opcode != T1T_CMD_RALL) && (p_cmd_rsp_info->opcode != T1T_CMD_RID))? p_t1t->addr:0;
p_t1t->prev_cmd_rsp_info.rsp_len = p_cmd_rsp_info->rsp_len;
p_t1t->prev_cmd_rsp_info.op_code = p_cmd_rsp_info->opcode;
p_t1t->prev_cmd_rsp_info.pend_retx_rsp = RW_MAX_RETRIES;
}
#if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
/* update failure count */
rw_main_update_fail_stats ();
#endif /* RW_STATS_INCLUDED */
rw_event = rw_t1t_info_to_event (p_cmd_rsp_info);
if (p_t1t->state != RW_T1T_STATE_NOT_ACTIVATED)
rw_t1t_handle_op_complete ();
evt_data.status = NFC_STATUS_TIMEOUT;
if (rw_event == RW_T2T_NDEF_DETECT_EVT)
{
ndef_data.status = evt_data.status;
ndef_data.protocol = NFC_PROTOCOL_T1T;
ndef_data.flags = RW_NDEF_FL_UNKNOWN;
ndef_data.max_size = 0;
ndef_data.cur_size = 0;
(*rw_cb.p_cback) (rw_event, (tRW_DATA *) &ndef_data);
}
else
{
evt_data.p_data = NULL;
(*rw_cb.p_cback) (rw_event, (tRW_DATA *) &evt_data);
}
}
