/******************************************************************************
*
* Copyright (C) 2010-2014 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the action functions for device manager discovery
* function.
*
******************************************************************************/
#include <string.h>
#include "nfa_sys.h"
#include "nfa_api.h"
#include "nfa_dm_int.h"
#include "nfa_p2p_int.h"
#include "nfa_sys_int.h"
#include "nci_hmsgs.h"
#if (NFC_NFCEE_INCLUDED == TRUE)
#include "nfa_ee_api.h"
#include "nfa_ee_int.h"
#endif
#include "nfa_rw_int.h"
#include "nfc_int.h"
/*
** static functions
*/
static UINT8 nfa_dm_get_rf_discover_config (tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask,
tNFC_DISCOVER_PARAMS disc_params[],
UINT8 max_params);
static tNFA_STATUS nfa_dm_set_rf_listen_mode_config (tNFA_DM_DISC_TECH_PROTO_MASK tech_proto_mask);
static void nfa_dm_set_rf_listen_mode_raw_config (tNFA_DM_DISC_TECH_PROTO_MASK *p_disc_mask);
static tNFA_DM_DISC_TECH_PROTO_MASK nfa_dm_disc_get_disc_mask (tNFC_RF_TECH_N_MODE tech_n_mode,
tNFC_PROTOCOL protocol);
static void nfa_dm_notify_discovery (tNFA_DM_RF_DISC_DATA *p_data);
static tNFA_STATUS nfa_dm_disc_notify_activation (tNFC_DISCOVER *p_data);
static void nfa_dm_disc_notify_deactivation (tNFA_DM_RF_DISC_SM_EVENT sm_event, tNFC_DISCOVER *p_data);
static void nfa_dm_disc_data_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data);
static void nfa_dm_disc_kovio_timeout_cback (TIMER_LIST_ENT *p_tle);
static void nfa_dm_disc_report_kovio_presence_check (tNFC_STATUS status);
#if (BT_TRACE_VERBOSE == TRUE)
static char *nfa_dm_disc_state_2_str (UINT8 state);
static char *nfa_dm_disc_event_2_str (UINT8 event);
#endif
typedef struct nfa_dm_p2p_prio_logic
{
BOOLEAN isodep_detected; /* flag to check if ISO-DEP is detected */
BOOLEAN timer_expired; /* flag to check whether timer is expired */
TIMER_LIST_ENT timer_list; /*timer structure pointer */
UINT8 first_tech_mode;
}nfa_dm_p2p_prio_logic_t;
static nfa_dm_p2p_prio_logic_t p2p_prio_logic_data;
/*******************************************************************************
**
** Function nfa_dm_get_rf_discover_config
**
** Description Build RF discovery configurations from tNFA_DM_DISC_TECH_PROTO_MASK
**
** Returns number of RF discovery configurations
**
*******************************************************************************/
static UINT8 nfa_dm_get_rf_discover_config (tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask,
tNFC_DISCOVER_PARAMS disc_params[],
UINT8 max_params)
{
UINT8 num_params = 0;
if (nfa_dm_cb.flags & NFA_DM_FLAGS_LISTEN_DISABLED)
{
NFA_TRACE_DEBUG1 ("nfa_dm_get_rf_discover_config () listen disabled, rm listen from 0x%x", dm_disc_mask);
dm_disc_mask &= NFA_DM_DISC_MASK_POLL;
}
if (nfa_dm_is_p2p_paused ())
{
dm_disc_mask &= ~NFA_DM_DISC_MASK_NFC_DEP;
}
/* Check polling A */
if (dm_disc_mask & ( NFA_DM_DISC_MASK_PA_T1T
|NFA_DM_DISC_MASK_PA_T2T
|NFA_DM_DISC_MASK_PA_ISO_DEP
|NFA_DM_DISC_MASK_PA_NFC_DEP
|NFA_DM_DISC_MASK_P_LEGACY) )
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_A;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pa;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling B */
if (dm_disc_mask & NFA_DM_DISC_MASK_PB_ISO_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_B;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pb;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling F */
if (dm_disc_mask & ( NFA_DM_DISC_MASK_PF_T3T
|NFA_DM_DISC_MASK_PF_NFC_DEP) )
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_F;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pf;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling A Active mode */
if (dm_disc_mask & NFA_DM_DISC_MASK_PAA_NFC_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_A_ACTIVE;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->paa;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling F Active mode */
if (dm_disc_mask & NFA_DM_DISC_MASK_PFA_NFC_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_F_ACTIVE;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pfa;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening A */
if (dm_disc_mask & ( NFA_DM_DISC_MASK_LA_T1T
|NFA_DM_DISC_MASK_LA_T2T
|NFA_DM_DISC_MASK_LA_ISO_DEP
|NFA_DM_DISC_MASK_LA_NFC_DEP) )
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_A;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening B */
if (dm_disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_B;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening F */
if (dm_disc_mask & ( NFA_DM_DISC_MASK_LF_T3T
|NFA_DM_DISC_MASK_LF_NFC_DEP) )
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_F;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening A Active mode */
if (dm_disc_mask & NFA_DM_DISC_MASK_LAA_NFC_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening F Active mode */
if (dm_disc_mask & NFA_DM_DISC_MASK_LFA_NFC_DEP)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling ISO 15693 */
if (dm_disc_mask & NFA_DM_DISC_MASK_P_ISO15693)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_ISO15693;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pi93;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling B' */
if (dm_disc_mask & NFA_DM_DISC_MASK_P_B_PRIME)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_B_PRIME;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pbp;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check polling KOVIO */
if (dm_disc_mask & NFA_DM_DISC_MASK_P_KOVIO)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_POLL_KOVIO;
disc_params[num_params].frequency = p_nfa_dm_rf_disc_freq_cfg->pk;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening ISO 15693 */
if (dm_disc_mask & NFA_DM_DISC_MASK_L_ISO15693)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_ISO15693;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
/* Check listening B' */
if (dm_disc_mask & NFA_DM_DISC_MASK_L_B_PRIME)
{
disc_params[num_params].type = NFC_DISCOVERY_TYPE_LISTEN_B_PRIME;
disc_params[num_params].frequency = 1;
num_params++;
if (num_params >= max_params)
return num_params;
}
return num_params;
}
/*******************************************************************************
**
** Function nfa_dm_set_rf_listen_mode_config
**
** Description Update listening protocol to NFCC
**
** Returns NFA_STATUS_OK if success
**
*******************************************************************************/
static tNFA_STATUS nfa_dm_set_rf_listen_mode_config (tNFA_DM_DISC_TECH_PROTO_MASK tech_proto_mask)
{
UINT8 params[40], *p;
UINT8 platform = 0;
UINT8 sens_info = 0;
NFA_TRACE_DEBUG1 ("nfa_dm_set_rf_listen_mode_config () tech_proto_mask = 0x%08X",
tech_proto_mask);
/*
** T1T listen LA_PROT 0x80, LA_SENS_RES byte1:0x00 byte2:0x0C
** T2T listen LA_PROT 0x00
** T3T listen No bit for T3T in LF_PROT (CE T3T set listen parameters, system code, NFCID2, etc.)
** ISO-DEP listen LA_PROT 0x01, LB_PROT 0x01
** NFC-DEP listen LA_PROT 0x02, LF_PROT 0x02
*/
if (tech_proto_mask & NFA_DM_DISC_MASK_LA_T1T)
{
platform = NCI_PARAM_PLATFORM_T1T;
}
else if (tech_proto_mask & NFA_DM_DISC_MASK_LA_T2T)
{
/* platform = 0 and sens_info = 0 */
}
else
{
if (tech_proto_mask & NFA_DM_DISC_MASK_LA_ISO_DEP)
{
sens_info |= NCI_PARAM_SEL_INFO_ISODEP;
}
if (tech_proto_mask & NFA_DM_DISC_MASK_LA_NFC_DEP)
{
sens_info |= NCI_PARAM_SEL_INFO_NFCDEP;
}
}
p = params;
/*
** for Listen A
**
** Set ATQA 0x0C00 for T1T listen
** If the ATQA values are 0x0000, then the FW will use 0x0400
** which works for ISODEP, T2T and NFCDEP.
*/
if (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A] == NFA_DM_DISC_HOST_ID_DH)
{
UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_BIT_FRAME_SDD);
UINT8_TO_STREAM (p, 0x04);
UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_PLATFORM_CONFIG);
UINT8_TO_STREAM (p, platform);
UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_SEL_INFO);
UINT8_TO_STREAM (p, sens_info);
}
else /* Let NFCC use UICC configuration by configuring with length = 0 */
{
UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LA_NFCID1);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LA_HIST_BY);
UINT8_TO_STREAM (p, 0);
}
/* for Listen B */
if (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B] == NFA_DM_DISC_HOST_ID_DH)
{
UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_SENSB_INFO);
if (tech_proto_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
{
UINT8_TO_STREAM (p, NCI_LISTEN_PROTOCOL_ISO_DEP);
}
else
{
UINT8_TO_STREAM (p, 0x00);
}
}
else /* Let NFCC use UICC configuration by configuring with length = 0 */
{
UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LB_NFCID0);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LB_APPDATA);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LB_ADC_FO);
UINT8_TO_STREAM (p, 0);
UINT8_TO_STREAM (p, NFC_PMID_LB_H_INFO);
UINT8_TO_STREAM (p, 0);
}
/* for Listen F */
/* NFCC can support NFC-DEP and T3T listening based on NFCID routing regardless of NFC-F tech routing */
UINT8_TO_STREAM (p, NFC_PMID_LF_PROTOCOL);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_PROTOCOL);
if ((tech_proto_mask & NFA_DM_DISC_MASK_LF_NFC_DEP) &&
!nfa_dm_is_p2p_paused() )
{
UINT8_TO_STREAM (p, NCI_LISTEN_PROTOCOL_NFC_DEP);
}
else
{
UINT8_TO_STREAM (p, 0x00);
}
if (p > params)
{
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
}
return NFA_STATUS_OK;
}
/*******************************************************************************
**
** Function nfa_dm_set_total_duration
**
** Description Update total duration to NFCC
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_set_total_duration (void)
{
UINT8 params[10], *p;
NFA_TRACE_DEBUG0 ("nfa_dm_set_total_duration ()");
p = params;
/* for total duration */
UINT8_TO_STREAM (p, NFC_PMID_TOTAL_DURATION);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_TOTAL_DURATION);
UINT16_TO_STREAM (p, nfa_dm_cb.disc_cb.disc_duration);
if (p > params)
{
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
}
}
/*******************************************************************************
**
** Function nfa_dm_set_rf_listen_mode_raw_config
**
** Description Set raw listen parameters
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_set_rf_listen_mode_raw_config (tNFA_DM_DISC_TECH_PROTO_MASK *p_disc_mask)
{
tNFA_DM_DISC_TECH_PROTO_MASK disc_mask = 0;
tNFA_LISTEN_CFG *p_cfg = &nfa_dm_cb.disc_cb.excl_listen_config;
UINT8 params[250], *p, xx;
NFA_TRACE_DEBUG0 ("nfa_dm_set_rf_listen_mode_raw_config ()");
/*
** Discovery Configuration Parameters for Listen A
*/
if ( (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A] == NFA_DM_DISC_HOST_ID_DH)
&&(p_cfg->la_enable) )
{
p = params;
UINT8_TO_STREAM (p, NFC_PMID_LA_BIT_FRAME_SDD);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_BIT_FRAME_SDD);
UINT8_TO_STREAM (p, p_cfg->la_bit_frame_sdd);
UINT8_TO_STREAM (p, NFC_PMID_LA_PLATFORM_CONFIG);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_PLATFORM_CONFIG);
UINT8_TO_STREAM (p, p_cfg->la_platform_config);
UINT8_TO_STREAM (p, NFC_PMID_LA_SEL_INFO);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LA_SEL_INFO);
UINT8_TO_STREAM (p, p_cfg->la_sel_info);
if (p_cfg->la_platform_config == NCI_PARAM_PLATFORM_T1T)
{
disc_mask |= NFA_DM_DISC_MASK_LA_T1T;
}
else
{
/* If T4T or NFCDEP */
if (p_cfg->la_sel_info & NCI_PARAM_SEL_INFO_ISODEP)
{
disc_mask |= NFA_DM_DISC_MASK_LA_ISO_DEP;
}
if (p_cfg->la_sel_info & NCI_PARAM_SEL_INFO_NFCDEP)
{
disc_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
}
/* If neither, T4T nor NFCDEP, then its T2T */
if (disc_mask == 0)
{
disc_mask |= NFA_DM_DISC_MASK_LA_T2T;
}
}
UINT8_TO_STREAM (p, NFC_PMID_LA_NFCID1);
UINT8_TO_STREAM (p, p_cfg->la_nfcid1_len);
ARRAY_TO_STREAM (p, p_cfg->la_nfcid1, p_cfg->la_nfcid1_len);
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
}
/*
** Discovery Configuration Parameters for Listen B
*/
if ( (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B] == NFA_DM_DISC_HOST_ID_DH)
&&(p_cfg->lb_enable) )
{
p = params;
UINT8_TO_STREAM (p, NFC_PMID_LB_SENSB_INFO);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_SENSB_INFO);
UINT8_TO_STREAM (p, p_cfg->lb_sensb_info);
UINT8_TO_STREAM (p, NFC_PMID_LB_NFCID0);
UINT8_TO_STREAM (p, p_cfg->lb_nfcid0_len);
ARRAY_TO_STREAM (p, p_cfg->lb_nfcid0, p_cfg->lb_nfcid0_len);
UINT8_TO_STREAM (p, NFC_PMID_LB_APPDATA);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_APPDATA);
ARRAY_TO_STREAM (p, p_cfg->lb_app_data, NCI_PARAM_LEN_LB_APPDATA);
UINT8_TO_STREAM (p, NFC_PMID_LB_SFGI);
UINT8_TO_STREAM (p, 1);
UINT8_TO_STREAM (p, p_cfg->lb_adc_fo);
UINT8_TO_STREAM (p, NFC_PMID_LB_ADC_FO);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LB_ADC_FO);
UINT8_TO_STREAM (p, p_cfg->lb_adc_fo);
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
if (p_cfg->lb_sensb_info & NCI_LISTEN_PROTOCOL_ISO_DEP)
{
disc_mask |= NFA_DM_DISC_MASK_LB_ISO_DEP;
}
}
/*
** Discovery Configuration Parameters for Listen F
*/
if ( (nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_F] == NFA_DM_DISC_HOST_ID_DH)
&&(p_cfg->lf_enable) )
{
p = params;
UINT8_TO_STREAM (p, NFC_PMID_LF_CON_BITR_F);
UINT8_TO_STREAM (p, 1);
UINT8_TO_STREAM (p, p_cfg->lf_con_bitr_f);
UINT8_TO_STREAM (p, NFC_PMID_LF_PROTOCOL);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_PROTOCOL);
UINT8_TO_STREAM (p, p_cfg->lf_protocol_type);
UINT8_TO_STREAM (p, NFC_PMID_LF_T3T_FLAGS2);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_T3T_FLAGS2);
UINT16_TO_STREAM(p, p_cfg->lf_t3t_flags);
/* if the bit at position X is set to 0, SC/NFCID2 with index X shall be ignored */
for (xx = 0; xx < NFA_LF_MAX_SC_NFCID2; xx++)
{
if ((p_cfg->lf_t3t_flags & (0x0001 << xx)) != 0x0000)
{
UINT8_TO_STREAM (p, NFC_PMID_LF_T3T_ID1 + xx);
UINT8_TO_STREAM (p, NCI_SYSTEMCODE_LEN + NCI_NFCID2_LEN);
ARRAY_TO_STREAM (p, p_cfg->lf_t3t_identifier[xx], NCI_SYSTEMCODE_LEN + NCI_NFCID2_LEN);
}
}
UINT8_TO_STREAM (p, NFC_PMID_LF_T3T_PMM);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_LF_T3T_PMM);
ARRAY_TO_STREAM (p, p_cfg->lf_t3t_pmm, NCI_PARAM_LEN_LF_T3T_PMM);
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
if (p_cfg->lf_t3t_flags != NCI_LF_T3T_FLAGS2_ALL_DISABLED)
{
disc_mask |= NFA_DM_DISC_MASK_LF_T3T;
}
if (p_cfg->lf_protocol_type & NCI_LISTEN_PROTOCOL_NFC_DEP)
{
disc_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
}
}
/*
** Discovery Configuration Parameters for Listen ISO-DEP
*/
if ((disc_mask & (NFA_DM_DISC_MASK_LA_ISO_DEP|NFA_DM_DISC_MASK_LB_ISO_DEP))
&&(p_cfg->li_enable))
{
p = params;
UINT8_TO_STREAM (p, NFC_PMID_FWI);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_FWI);
UINT8_TO_STREAM (p, p_cfg->li_fwi);
if (disc_mask & NFA_DM_DISC_MASK_LA_ISO_DEP)
{
UINT8_TO_STREAM (p, NFC_PMID_LA_HIST_BY);
UINT8_TO_STREAM (p, p_cfg->la_hist_bytes_len);
ARRAY_TO_STREAM (p, p_cfg->la_hist_bytes, p_cfg->la_hist_bytes_len);
}
if (disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP)
{
UINT8_TO_STREAM (p, NFC_PMID_LB_H_INFO);
UINT8_TO_STREAM (p, p_cfg->lb_h_info_resp_len);
ARRAY_TO_STREAM (p, p_cfg->lb_h_info_resp, p_cfg->lb_h_info_resp_len);
}
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
}
/*
** Discovery Configuration Parameters for Listen NFC-DEP
*/
if ( (disc_mask & (NFA_DM_DISC_MASK_LA_NFC_DEP|NFA_DM_DISC_MASK_LF_NFC_DEP))
&&(p_cfg->ln_enable))
{
p = params;
UINT8_TO_STREAM (p, NFC_PMID_WT);
UINT8_TO_STREAM (p, NCI_PARAM_LEN_WT);
UINT8_TO_STREAM (p, p_cfg->ln_wt);
UINT8_TO_STREAM (p, NFC_PMID_ATR_RES_GEN_BYTES);
UINT8_TO_STREAM (p, p_cfg->ln_atr_res_gen_bytes_len);
ARRAY_TO_STREAM (p, p_cfg->ln_atr_res_gen_bytes, p_cfg->ln_atr_res_gen_bytes_len);
UINT8_TO_STREAM (p, NFC_PMID_ATR_RSP_CONFIG);
UINT8_TO_STREAM (p, 1);
UINT8_TO_STREAM (p, p_cfg->ln_atr_res_config);
nfa_dm_check_set_config ((UINT8) (p - params), params, FALSE);
}
*p_disc_mask = disc_mask;
NFA_TRACE_DEBUG1 ("nfa_dm_set_rf_listen_mode_raw_config () disc_mask = 0x%x", disc_mask);
}
/*******************************************************************************
**
** Function nfa_dm_disc_get_disc_mask
**
** Description Convert RF technology, mode and protocol to bit mask
**
** Returns tNFA_DM_DISC_TECH_PROTO_MASK
**
*******************************************************************************/
static tNFA_DM_DISC_TECH_PROTO_MASK nfa_dm_disc_get_disc_mask (tNFC_RF_TECH_N_MODE tech_n_mode,
tNFC_PROTOCOL protocol)
{
/* Set initial disc_mask to legacy poll or listen */
tNFA_DM_DISC_TECH_PROTO_MASK disc_mask = ((tech_n_mode & 0x80) ? NFA_DM_DISC_MASK_L_LEGACY : NFA_DM_DISC_MASK_P_LEGACY);
if (NFC_DISCOVERY_TYPE_POLL_A == tech_n_mode)
{
switch (protocol)
{
case NFC_PROTOCOL_T1T:
disc_mask = NFA_DM_DISC_MASK_PA_T1T;
break;
case NFC_PROTOCOL_T2T:
disc_mask = NFA_DM_DISC_MASK_PA_T2T;
break;
case NFC_PROTOCOL_ISO_DEP:
disc_mask = NFA_DM_DISC_MASK_PA_ISO_DEP;
break;
case NFC_PROTOCOL_NFC_DEP:
disc_mask = NFA_DM_DISC_MASK_PA_NFC_DEP;
break;
}
}
else if (NFC_DISCOVERY_TYPE_POLL_B == tech_n_mode)
{
if (protocol == NFC_PROTOCOL_ISO_DEP)
disc_mask = NFA_DM_DISC_MASK_PB_ISO_DEP;
}
else if (NFC_DISCOVERY_TYPE_POLL_F == tech_n_mode)
{
if (protocol == NFC_PROTOCOL_T3T)
disc_mask = NFA_DM_DISC_MASK_PF_T3T;
else if (protocol == NFC_PROTOCOL_NFC_DEP)
disc_mask = NFA_DM_DISC_MASK_PF_NFC_DEP;
}
else if (NFC_DISCOVERY_TYPE_POLL_ISO15693 == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_P_ISO15693;
}
else if (NFC_DISCOVERY_TYPE_POLL_B_PRIME == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_P_B_PRIME;
}
else if (NFC_DISCOVERY_TYPE_POLL_KOVIO == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_P_KOVIO;
}
else if (NFC_DISCOVERY_TYPE_POLL_A_ACTIVE == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_PAA_NFC_DEP;
}
else if (NFC_DISCOVERY_TYPE_POLL_F_ACTIVE == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_PFA_NFC_DEP;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_A == tech_n_mode)
{
switch (protocol)
{
case NFC_PROTOCOL_T1T:
disc_mask = NFA_DM_DISC_MASK_LA_T1T;
break;
case NFC_PROTOCOL_T2T:
disc_mask = NFA_DM_DISC_MASK_LA_T2T;
break;
case NFC_PROTOCOL_ISO_DEP:
disc_mask = NFA_DM_DISC_MASK_LA_ISO_DEP;
break;
case NFC_PROTOCOL_NFC_DEP:
disc_mask = NFA_DM_DISC_MASK_LA_NFC_DEP;
break;
}
}
else if (NFC_DISCOVERY_TYPE_LISTEN_B == tech_n_mode)
{
if (protocol == NFC_PROTOCOL_ISO_DEP)
disc_mask = NFA_DM_DISC_MASK_LB_ISO_DEP;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_F == tech_n_mode)
{
if (protocol == NFC_PROTOCOL_T3T)
disc_mask = NFA_DM_DISC_MASK_LF_T3T;
else if (protocol == NFC_PROTOCOL_NFC_DEP)
disc_mask = NFA_DM_DISC_MASK_LF_NFC_DEP;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_ISO15693 == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_L_ISO15693;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_B_PRIME == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_L_B_PRIME;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_LAA_NFC_DEP;
}
else if (NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE == tech_n_mode)
{
disc_mask = NFA_DM_DISC_MASK_LFA_NFC_DEP;
}
NFA_TRACE_DEBUG3 ("nfa_dm_disc_get_disc_mask (): tech_n_mode:0x%X, protocol:0x%X, disc_mask:0x%X",
tech_n_mode, protocol, disc_mask);
return (disc_mask);
}
/*******************************************************************************
**
** Function nfa_dm_disc_discovery_cback
**
** Description Discovery callback event from NFC
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_discovery_cback (tNFC_DISCOVER_EVT event, tNFC_DISCOVER *p_data)
{
tNFA_DM_RF_DISC_SM_EVENT dm_disc_event = NFA_DM_DISC_SM_MAX_EVENT;
NFA_TRACE_DEBUG1 ("nfa_dm_disc_discovery_cback (): event:0x%X", event);
switch (event)
{
case NFC_START_DEVT:
dm_disc_event = NFA_DM_RF_DISCOVER_RSP;
break;
case NFC_RESULT_DEVT:
dm_disc_event = NFA_DM_RF_DISCOVER_NTF;
break;
case NFC_SELECT_DEVT:
dm_disc_event = NFA_DM_RF_DISCOVER_SELECT_RSP;
break;
case NFC_ACTIVATE_DEVT:
dm_disc_event = NFA_DM_RF_INTF_ACTIVATED_NTF;
break;
case NFC_DEACTIVATE_DEVT:
if (p_data->deactivate.is_ntf)
{
dm_disc_event = NFA_DM_RF_DEACTIVATE_NTF;
if ((p_data->deactivate.type == NFC_DEACTIVATE_TYPE_IDLE) || (p_data->deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY))
{
NFC_SetReassemblyFlag (TRUE);
nfa_dm_cb.flags &= ~NFA_DM_FLAGS_RAW_FRAME;
}
}
else
dm_disc_event = NFA_DM_RF_DEACTIVATE_RSP;
break;
default:
NFA_TRACE_ERROR0 ("Unexpected event");
return;
}
nfa_dm_disc_sm_execute (dm_disc_event, (tNFA_DM_RF_DISC_DATA *) p_data);
}
/*******************************************************************************
**
** Function nfa_dm_disc_notify_started
**
** Description Report NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT or
** NFA_RF_DISCOVERY_STARTED_EVT, if needed
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_notify_started (tNFA_STATUS status)
{
tNFA_CONN_EVT_DATA evt_data;
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
evt_data.status = status;
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
nfa_dm_conn_cback_event_notify (NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT, &evt_data);
else
nfa_dm_conn_cback_event_notify (NFA_RF_DISCOVERY_STARTED_EVT, &evt_data);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_conn_event_notify
**
** Description Notify application of CONN_CBACK event, using appropriate
** callback
**
** Returns nothing
**
*******************************************************************************/
void nfa_dm_disc_conn_event_notify (UINT8 event, tNFA_STATUS status)
{
tNFA_CONN_EVT_DATA evt_data;
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
evt_data.status = status;
if (nfa_dm_cb.flags & NFA_DM_FLAGS_EXCL_RF_ACTIVE)
{
/* Use exclusive RF mode callback */
if (nfa_dm_cb.p_excl_conn_cback)
(*nfa_dm_cb.p_excl_conn_cback) (event, &evt_data);
}
else
{
(*nfa_dm_cb.p_conn_cback) (event, &evt_data);
}
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_force_to_idle
**
** Description Force NFCC to idle state while waiting for deactivation NTF
**
** Returns tNFC_STATUS
**
*******************************************************************************/
static tNFC_STATUS nfa_dm_disc_force_to_idle (void)
{
tNFC_STATUS status = NFC_STATUS_SEMANTIC_ERROR;
NFA_TRACE_DEBUG1 ("nfa_dm_disc_force_to_idle() disc_flags = 0x%x", nfa_dm_cb.disc_cb.disc_flags);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF) /* do not execute more than one */
{
nfa_dm_cb.disc_cb.disc_flags &= ~(NFA_DM_DISC_FLAGS_W4_NTF);
nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP);
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
status = NFC_Deactivate (NFC_DEACTIVATE_TYPE_IDLE);
}
return (status);
}
/*******************************************************************************
**
** Function nfa_dm_disc_deact_ntf_timeout_cback
**
** Description Timeout while waiting for deactivation NTF
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_deact_ntf_timeout_cback (TIMER_LIST_ENT *p_tle)
{
NFA_TRACE_ERROR0 ("nfa_dm_disc_deact_ntf_timeout_cback()");
nfa_dm_disc_force_to_idle();
}
/*******************************************************************************
**
** Function nfa_dm_send_deactivate_cmd
**
** Description Send deactivate command to NFCC, if needed.
**
** Returns NFC_STATUS_OK - deactivate cmd is sent
** NCI_STATUS_FAILED - no buffers
** NFC_STATUS_SEMANTIC_ERROR - this function does not attempt
** to send deactivate cmd
**
*******************************************************************************/
static tNFC_STATUS nfa_dm_send_deactivate_cmd (tNFC_DEACT_TYPE deactivate_type)
{
tNFC_STATUS status = NFC_STATUS_SEMANTIC_ERROR;
tNFA_DM_DISC_FLAGS w4_flags = nfa_dm_cb.disc_cb.disc_flags & (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
if (!w4_flags)
{
/* if deactivate CMD was not sent to NFCC */
nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
status = NFC_Deactivate (deactivate_type);
if (!nfa_dm_cb.disc_cb.tle.in_use)
{
nfa_dm_cb.disc_cb.tle.p_cback = (TIMER_CBACK *)nfa_dm_disc_deact_ntf_timeout_cback;
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.tle, 0, NFA_DM_DISC_TIMEOUT_W4_DEACT_NTF);
}
}
else
{
if (deactivate_type == NFC_DEACTIVATE_TYPE_SLEEP)
{
status = NFC_STATUS_SEMANTIC_ERROR;
}
else if (nfa_dm_cb.disc_cb.tle.in_use)
{
status = NFC_STATUS_OK;
}
else
{
status = nfa_dm_disc_force_to_idle ();
}
}
return status;
}
/*******************************************************************************
**
** Function nfa_dm_start_rf_discover
**
** Description Start RF discovery
**
** Returns void
**
*******************************************************************************/
void nfa_dm_start_rf_discover (void)
{
tNFC_DISCOVER_PARAMS disc_params[NFA_DM_MAX_DISC_PARAMS];
tNFA_DM_DISC_TECH_PROTO_MASK dm_disc_mask = 0, poll_mask, listen_mask;
UINT8 num_params, xx;
NFA_TRACE_DEBUG0 ("nfa_dm_start_rf_discover ()");
/* Make sure that RF discovery was enabled, or some app has exclusive control */
if ( (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_ENABLED))
&&(nfa_dm_cb.disc_cb.excl_disc_entry.in_use == FALSE) )
{
return;
}
/* get listen mode routing table for technology */
nfa_ee_get_tech_route (NFA_EE_PWR_STATE_ON, nfa_dm_cb.disc_cb.listen_RT);
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
nfa_dm_set_rf_listen_mode_raw_config (&dm_disc_mask);
dm_disc_mask |= (nfa_dm_cb.disc_cb.excl_disc_entry.requested_disc_mask & NFA_DM_DISC_MASK_POLL);
nfa_dm_cb.disc_cb.excl_disc_entry.selected_disc_mask = dm_disc_mask;
}
else
{
/* Collect RF discovery request from sub-modules */
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
if (nfa_dm_cb.disc_cb.entry[xx].in_use)
{
poll_mask = (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask & NFA_DM_DISC_MASK_POLL);
/* clear poll mode technolgies and protocols which are already used by others */
poll_mask &= ~(dm_disc_mask & NFA_DM_DISC_MASK_POLL);
listen_mask = 0;
/*
** add listen mode technolgies and protocols if host ID is matched to listen mode routing table
*/
/* NFC-A */
if (nfa_dm_cb.disc_cb.entry[xx].host_id == nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A])
{
listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
& ( NFA_DM_DISC_MASK_LA_T1T
|NFA_DM_DISC_MASK_LA_T2T
|NFA_DM_DISC_MASK_LA_ISO_DEP
|NFA_DM_DISC_MASK_LA_NFC_DEP
|NFA_DM_DISC_MASK_LAA_NFC_DEP );
}
else
{
/* host can listen ISO-DEP based on AID routing */
listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask & NFA_DM_DISC_MASK_LA_ISO_DEP);
/* host can listen NFC-DEP based on protocol routing */
listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask & NFA_DM_DISC_MASK_LA_NFC_DEP);
listen_mask |= (nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask & NFA_DM_DISC_MASK_LAA_NFC_DEP);
}
/* NFC-B */
/* multiple hosts can listen ISO-DEP based on AID routing */
listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
& NFA_DM_DISC_MASK_LB_ISO_DEP;
/* NFC-F */
/* NFCC can support NFC-DEP and T3T listening based on NFCID routing regardless of NFC-F tech routing */
listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
& ( NFA_DM_DISC_MASK_LF_T3T
|NFA_DM_DISC_MASK_LF_NFC_DEP
|NFA_DM_DISC_MASK_LFA_NFC_DEP );
/* NFC-B Prime */
if (nfa_dm_cb.disc_cb.entry[xx].host_id == nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_BP])
{
listen_mask |= nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask
& NFA_DM_DISC_MASK_L_B_PRIME;
}
/*
** clear listen mode technolgies and protocols which are already used by others
*/
/* Check if other modules are listening T1T or T2T */
if (dm_disc_mask & (NFA_DM_DISC_MASK_LA_T1T|NFA_DM_DISC_MASK_LA_T2T))
{
listen_mask &= ~( NFA_DM_DISC_MASK_LA_T1T
|NFA_DM_DISC_MASK_LA_T2T
|NFA_DM_DISC_MASK_LA_ISO_DEP
|NFA_DM_DISC_MASK_LA_NFC_DEP );
}
/* T1T/T2T has priority on NFC-A */
if ( (dm_disc_mask & (NFA_DM_DISC_MASK_LA_ISO_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP))
&&(listen_mask & (NFA_DM_DISC_MASK_LA_T1T|NFA_DM_DISC_MASK_LA_T2T)))
{
dm_disc_mask &= ~( NFA_DM_DISC_MASK_LA_ISO_DEP
|NFA_DM_DISC_MASK_LA_NFC_DEP );
}
/* Don't remove ISO-DEP because multiple hosts can listen ISO-DEP based on AID routing */
/* Check if other modules are listening NFC-DEP */
if (dm_disc_mask & (NFA_DM_DISC_MASK_LA_NFC_DEP | NFA_DM_DISC_MASK_LAA_NFC_DEP))
{
listen_mask &= ~( NFA_DM_DISC_MASK_LA_NFC_DEP
|NFA_DM_DISC_MASK_LAA_NFC_DEP );
}
nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask = poll_mask | listen_mask;
NFA_TRACE_DEBUG2 ("nfa_dm_cb.disc_cb.entry[%d].selected_disc_mask = 0x%x",
xx, nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask);
dm_disc_mask |= nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask;
}
}
/* Let P2P set GEN bytes for LLCP to NFCC */
if (dm_disc_mask & NFA_DM_DISC_MASK_NFC_DEP)
{
nfa_p2p_set_config (dm_disc_mask);
}
}
NFA_TRACE_DEBUG1 ("dm_disc_mask = 0x%x", dm_disc_mask);
/* Get Discovery Technology parameters */
num_params = nfa_dm_get_rf_discover_config (dm_disc_mask, disc_params, NFA_DM_MAX_DISC_PARAMS);
if (num_params)
{
/*
** NFCC will abort programming personality slots if not available.
** NFCC programs the personality slots in the following order of RF technologies:
** NFC-A, NFC-B, NFC-BP, NFC-I93
*/
/* if this is not for exclusive control */
if (!nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
/* update listening protocols in each NFC technology */
nfa_dm_set_rf_listen_mode_config (dm_disc_mask);
}
/* Set polling duty cycle */
nfa_dm_set_total_duration ();
nfa_dm_cb.disc_cb.dm_disc_mask = dm_disc_mask;
NFC_DiscoveryStart (num_params, disc_params, nfa_dm_disc_discovery_cback);
/* set flag about waiting for response in IDLE state */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
/* register callback to get interface error NTF */
NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
}
else
{
/* RF discovery is started but there is no valid technology or protocol to discover */
nfa_dm_disc_notify_started (NFA_STATUS_OK);
}
/* if Kovio presence check timer is running, timeout callback will reset the activation information */
if ( (nfa_dm_cb.disc_cb.activated_protocol != NFC_PROTOCOL_KOVIO)
||(!nfa_dm_cb.disc_cb.kovio_tle.in_use) )
{
/* reset protocol and hanlde of activated sub-module */
nfa_dm_cb.disc_cb.activated_protocol = NFA_PROTOCOL_INVALID;
nfa_dm_cb.disc_cb.activated_handle = NFA_HANDLE_INVALID;
}
}
/*******************************************************************************
**
** Function nfa_dm_notify_discovery
**
** Description Send RF discovery notification to upper layer
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_notify_discovery (tNFA_DM_RF_DISC_DATA *p_data)
{
tNFA_CONN_EVT_DATA conn_evt;
/* let application select a device */
conn_evt.disc_result.status = NFA_STATUS_OK;
memcpy (&(conn_evt.disc_result.discovery_ntf),
&(p_data->nfc_discover.result),
sizeof (tNFC_RESULT_DEVT));
nfa_dm_conn_cback_event_notify (NFA_DISC_RESULT_EVT, &conn_evt);
}
/*******************************************************************************
**
** Function nfa_dm_disc_handle_kovio_activation
**
** Description Handle Kovio activation; whether it's new or repeated activation
**
** Returns TRUE if repeated activation. No need to notify activated event to upper layer
**
*******************************************************************************/
BOOLEAN nfa_dm_disc_handle_kovio_activation (tNFC_DISCOVER *p_data, tNFA_DISCOVER_CBACK *p_disc_cback)
{
tNFC_DISCOVER disc_data;
if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
{
/* if this is new Kovio bar code tag */
if ( (nfa_dm_cb.activated_nfcid_len != p_data->activate.rf_tech_param.param.pk.uid_len)
||(memcmp (p_data->activate.rf_tech_param.param.pk.uid,
nfa_dm_cb.activated_nfcid, nfa_dm_cb.activated_nfcid_len)))
{
NFA_TRACE_DEBUG0 ("new Kovio tag is detected");
/* notify presence check failure for previous tag, if presence check is pending */
nfa_dm_disc_report_kovio_presence_check (NFA_STATUS_FAILED);
/* notify deactivation of previous activation before notifying new activation */
if (p_disc_cback)
{
disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
(*(p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
}
/* restart timer */
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
}
else
{
/* notify presence check ok, if presence check is pending */
nfa_dm_disc_report_kovio_presence_check (NFC_STATUS_OK);
/* restart timer and do not notify upper layer */
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
return (TRUE);
}
}
else
{
/* this is the first activation, so start timer and notify upper layer */
nfa_dm_cb.disc_cb.kovio_tle.p_cback = (TIMER_CBACK *)nfa_dm_disc_kovio_timeout_cback;
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
}
return (FALSE);
}
/*******************************************************************************
**
** Function nfa_dm_disc_notify_activation
**
** Description Send RF activation notification to sub-module
**
** Returns NFA_STATUS_OK if success
**
*******************************************************************************/
static tNFA_STATUS nfa_dm_disc_notify_activation (tNFC_DISCOVER *p_data)
{
UINT8 xx, host_id_in_LRT;
UINT8 iso_dep_t3t__listen = NFA_DM_DISC_NUM_ENTRIES;
tNFC_RF_TECH_N_MODE tech_n_mode = p_data->activate.rf_tech_param.mode;
tNFC_PROTOCOL protocol = p_data->activate.protocol;
tNFA_DM_DISC_TECH_PROTO_MASK activated_disc_mask;
NFA_TRACE_DEBUG2 ("nfa_dm_disc_notify_activation (): tech_n_mode:0x%X, proto:0x%X",
tech_n_mode, protocol);
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
nfa_dm_cb.disc_cb.activated_tech_mode = tech_n_mode;
nfa_dm_cb.disc_cb.activated_rf_disc_id = p_data->activate.rf_disc_id;
nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
nfa_dm_cb.disc_cb.activated_protocol = protocol;
nfa_dm_cb.disc_cb.activated_handle = NFA_HANDLE_INVALID;
if (protocol == NFC_PROTOCOL_KOVIO)
{
/* check whether it's new or repeated activation */
if (nfa_dm_disc_handle_kovio_activation (p_data, nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback))
{
/* do not notify activation of Kovio to upper layer */
return (NFA_STATUS_OK);
}
}
if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
(*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
return (NFA_STATUS_OK);
}
/* if this is NFCEE direct RF interface, notify activation to whoever listening UICC */
if (p_data->activate.intf_param.type == NFC_INTERFACE_EE_DIRECT_RF)
{
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
if ( (nfa_dm_cb.disc_cb.entry[xx].in_use)
&&(nfa_dm_cb.disc_cb.entry[xx].host_id != NFA_DM_DISC_HOST_ID_DH))
{
nfa_dm_cb.disc_cb.activated_rf_disc_id = p_data->activate.rf_disc_id;
nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
nfa_dm_cb.disc_cb.activated_protocol = NFC_PROTOCOL_UNKNOWN;
nfa_dm_cb.disc_cb.activated_handle = xx;
NFA_TRACE_DEBUG2 ("activated_rf_interface:0x%x, activated_handle: 0x%x",
nfa_dm_cb.disc_cb.activated_rf_interface,
nfa_dm_cb.disc_cb.activated_handle);
if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
return (NFA_STATUS_OK);
}
}
return (NFA_STATUS_FAILED);
}
/* get bit mask of technolgies/mode and protocol */
activated_disc_mask = nfa_dm_disc_get_disc_mask (tech_n_mode, protocol);
/* get host ID of technology from listen mode routing table */
if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
{
host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_A];
}
else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
{
host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_B];
}
else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
{
host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_F];
}
else if (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B_PRIME)
{
host_id_in_LRT = nfa_dm_cb.disc_cb.listen_RT[NFA_DM_DISC_LRT_NFC_BP];
}
else /* DH only */
{
host_id_in_LRT = NFA_DM_DISC_HOST_ID_DH;
}
if (protocol == NFC_PROTOCOL_NFC_DEP)
{
/* Force NFC-DEP to the host */
host_id_in_LRT = NFA_DM_DISC_HOST_ID_DH;
}
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
/* if any matching NFC technology and protocol */
if (nfa_dm_cb.disc_cb.entry[xx].in_use)
{
if (nfa_dm_cb.disc_cb.entry[xx].host_id == host_id_in_LRT)
{
if (nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & activated_disc_mask)
break;
}
else
{
/* check ISO-DEP listening even if host in LRT is not matched */
if (protocol == NFC_PROTOCOL_ISO_DEP)
{
if ( (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
&&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LA_ISO_DEP))
{
iso_dep_t3t__listen = xx;
}
else if ( (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
&&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LB_ISO_DEP))
{
iso_dep_t3t__listen = xx;
}
}
/* check T3T listening even if host in LRT is not matched */
else if (protocol == NFC_PROTOCOL_T3T)
{
if ( (tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
&&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LF_T3T))
{
iso_dep_t3t__listen = xx;
}
}
}
}
}
if (xx >= NFA_DM_DISC_NUM_ENTRIES)
{
/* if any ISO-DEP or T3T listening even if host in LRT is not matched */
xx = iso_dep_t3t__listen;
}
if (xx < NFA_DM_DISC_NUM_ENTRIES)
{
nfa_dm_cb.disc_cb.activated_tech_mode = tech_n_mode;
nfa_dm_cb.disc_cb.activated_rf_disc_id = p_data->activate.rf_disc_id;
nfa_dm_cb.disc_cb.activated_rf_interface = p_data->activate.intf_param.type;
nfa_dm_cb.disc_cb.activated_protocol = protocol;
nfa_dm_cb.disc_cb.activated_handle = xx;
NFA_TRACE_DEBUG2 ("activated_protocol:0x%x, activated_handle: 0x%x",
nfa_dm_cb.disc_cb.activated_protocol,
nfa_dm_cb.disc_cb.activated_handle);
if (protocol == NFC_PROTOCOL_KOVIO)
{
/* check whether it's new or repeated activation */
if (nfa_dm_disc_handle_kovio_activation (p_data, nfa_dm_cb.disc_cb.entry[xx].p_disc_cback))
{
/* do not notify activation of Kovio to upper layer */
return (NFA_STATUS_OK);
}
}
if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_ACTIVATED_EVT, p_data);
return (NFA_STATUS_OK);
}
else
{
nfa_dm_cb.disc_cb.activated_protocol = NFA_PROTOCOL_INVALID;
nfa_dm_cb.disc_cb.activated_handle = NFA_HANDLE_INVALID;
return (NFA_STATUS_FAILED);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_notify_deactivation
**
** Description Send deactivation notification to sub-module
**
** Returns None
**
*******************************************************************************/
static void nfa_dm_disc_notify_deactivation (tNFA_DM_RF_DISC_SM_EVENT sm_event,
tNFC_DISCOVER *p_data)
{
tNFA_HANDLE xx;
tNFA_CONN_EVT_DATA evt_data;
tNFC_DISCOVER disc_data;
NFA_TRACE_DEBUG1 ("nfa_dm_disc_notify_deactivation (): activated_handle=%d",
nfa_dm_cb.disc_cb.activated_handle);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
{
NFA_TRACE_DEBUG0 ("nfa_dm_disc_notify_deactivation (): for sleep wakeup");
return;
}
if (sm_event == NFA_DM_RF_DEACTIVATE_RSP)
{
/*
** Activation has been aborted by upper layer in NFA_DM_RFST_W4_ALL_DISCOVERIES or NFA_DM_RFST_W4_HOST_SELECT
** Deactivation by upper layer or RF link loss in NFA_DM_RFST_LISTEN_SLEEP
** No sub-module is activated at this state.
*/
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_LISTEN_SLEEP)
{
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
{
disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
(*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
}
}
else
{
/* let each sub-module handle deactivation */
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
if ( (nfa_dm_cb.disc_cb.entry[xx].in_use)
&&(nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask & NFA_DM_DISC_MASK_LISTEN) )
{
disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, &disc_data);
}
}
}
}
else if ( (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING))
||(nfa_dm_cb.disc_cb.deact_notify_pending) )
{
xx = nfa_dm_cb.disc_cb.activated_handle;
/* notify event to activated module if failed while reactivation */
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
{
disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
(*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
}
}
else if ( (xx < NFA_DM_DISC_NUM_ENTRIES)
&&(nfa_dm_cb.disc_cb.entry[xx].in_use)
&&(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback) )
{
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
}
else
{
/* notify deactivation to application if there is no activated module */
evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
}
}
}
else
{
if (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
{
if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
{
/* restart timer and do not notify upper layer */
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
return;
}
/* Otherwise, upper layer initiated deactivation. */
}
/* notify event to activated module */
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
{
disc_data.deactivate.type = NFA_DEACTIVATE_TYPE_IDLE;
(*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
}
}
else
{
xx = nfa_dm_cb.disc_cb.activated_handle;
if ((xx < NFA_DM_DISC_NUM_ENTRIES) && (nfa_dm_cb.disc_cb.entry[xx].in_use))
{
if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_DEACTIVATED_EVT, p_data);
}
}
}
/* clear activated information */
nfa_dm_cb.disc_cb.activated_tech_mode = 0;
nfa_dm_cb.disc_cb.activated_rf_disc_id = 0;
nfa_dm_cb.disc_cb.activated_rf_interface = 0;
nfa_dm_cb.disc_cb.activated_protocol = NFA_PROTOCOL_INVALID;
nfa_dm_cb.disc_cb.activated_handle = NFA_HANDLE_INVALID;
nfa_dm_cb.disc_cb.deact_notify_pending = FALSE;
}
/*******************************************************************************
**
** Function nfa_dm_disc_sleep_wakeup
**
** Description Put tag to sleep, then wake it up. Can be used Perform
** legacy presence check or to wake up tag that went to HALT
** state
**
** Returns TRUE if operation started
**
*******************************************************************************/
tNFC_STATUS nfa_dm_disc_sleep_wakeup (void)
{
tNFC_STATUS status = NFC_STATUS_FAILED;
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
{
/* Deactivate to sleep mode */
status = nfa_dm_send_deactivate_cmd(NFC_DEACTIVATE_TYPE_SLEEP);
if (status == NFC_STATUS_OK)
{
/* deactivate to sleep is sent on behalf of sleep wakeup.
* set the sleep wakeup information in control block */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_CHECKING;
nfa_dm_cb.disc_cb.deact_pending = FALSE;
}
}
return (status);
}
/*******************************************************************************
**
** Function nfa_dm_is_raw_frame_session
**
** Description If NFA_SendRawFrame is called since RF activation,
** this function returns TRUE.
**
** Returns TRUE if NFA_SendRawFrame is called
**
*******************************************************************************/
BOOLEAN nfa_dm_is_raw_frame_session (void)
{
return ((nfa_dm_cb.flags & NFA_DM_FLAGS_RAW_FRAME) ? TRUE : FALSE);
}
/*******************************************************************************
**
** Function nfa_dm_is_p2p_paused
**
** Description If NFA_PauseP2p is called sand still effective,
** this function returns TRUE.
**
** Returns TRUE if NFA_SendRawFrame is called
**
*******************************************************************************/
BOOLEAN nfa_dm_is_p2p_paused (void)
{
return ((nfa_dm_cb.flags & NFA_DM_FLAGS_P2P_PAUSED) ? TRUE : FALSE);
}
/*******************************************************************************
**
** Function nfa_dm_disc_end_sleep_wakeup
**
** Description Sleep Wakeup is complete
**
** Returns None
**
*******************************************************************************/
static void nfa_dm_disc_end_sleep_wakeup (tNFC_STATUS status)
{
if ( (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
&&(nfa_dm_cb.disc_cb.kovio_tle.in_use) )
{
/* ignore it while doing Kovio presence check */
return;
}
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_CHECKING;
/* notify RW module that sleep wakeup is finished */
nfa_rw_handle_sleep_wakeup_rsp (status);
if (nfa_dm_cb.disc_cb.deact_pending)
{
nfa_dm_cb.disc_cb.deact_pending = FALSE;
/* Perform pending deactivate command and on response notfiy deactivation */
nfa_dm_cb.disc_cb.deact_notify_pending = TRUE;
nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD,
(tNFA_DM_RF_DISC_DATA *) &nfa_dm_cb.disc_cb.pending_deact_type);
}
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_kovio_timeout_cback
**
** Description Timeout for Kovio bar code tag presence check
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_kovio_timeout_cback (TIMER_LIST_ENT *p_tle)
{
tNFC_DEACTIVATE_DEVT deact;
NFA_TRACE_DEBUG0 ("nfa_dm_disc_kovio_timeout_cback()");
/* notify presence check failure, if presence check is pending */
nfa_dm_disc_report_kovio_presence_check (NFC_STATUS_FAILED);
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
{
/* restart timer in case that upper layer's presence check interval is too long */
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
}
else
{
/* notify upper layer deactivated event */
deact.status = NFC_STATUS_OK;
deact.type = NFC_DEACTIVATE_TYPE_DISCOVERY;
deact.is_ntf = TRUE;
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_start_kovio_presence_check
**
** Description Deactivate to discovery mode and wait for activation
**
** Returns TRUE if operation started
**
*******************************************************************************/
tNFC_STATUS nfa_dm_disc_start_kovio_presence_check (void)
{
tNFC_STATUS status = NFC_STATUS_FAILED;
NFA_TRACE_DEBUG0 ("nfa_dm_disc_start_kovio_presence_check ()");
if ( (nfa_dm_cb.disc_cb.activated_protocol == NFC_PROTOCOL_KOVIO)
&&(nfa_dm_cb.disc_cb.kovio_tle.in_use) )
{
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_POLL_ACTIVE)
{
/* restart timer */
nfa_sys_start_timer (&nfa_dm_cb.disc_cb.kovio_tle, 0, NFA_DM_DISC_TIMEOUT_KOVIO_PRESENCE_CHECK);
/* Deactivate to discovery mode */
status = nfa_dm_send_deactivate_cmd (NFC_DEACTIVATE_TYPE_DISCOVERY);
if (status == NFC_STATUS_OK)
{
/* deactivate to sleep is sent on behalf of sleep wakeup.
* set the sleep wakeup information in control block */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_CHECKING;
nfa_dm_cb.disc_cb.deact_pending = FALSE;
}
}
else
{
/* wait for next activation */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_CHECKING;
nfa_dm_cb.disc_cb.deact_pending = FALSE;
status = NFC_STATUS_OK;
}
}
return (status);
}
/*******************************************************************************
**
** Function nfa_dm_disc_report_kovio_presence_check
**
** Description Report Kovio presence check status
**
** Returns None
**
*******************************************************************************/
static void nfa_dm_disc_report_kovio_presence_check (tNFC_STATUS status)
{
NFA_TRACE_DEBUG0 ("nfa_dm_disc_report_kovio_presence_check ()");
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_CHECKING;
/* notify RW module that sleep wakeup is finished */
nfa_rw_handle_presence_check_rsp (status);
if (nfa_dm_cb.disc_cb.deact_pending)
{
nfa_dm_cb.disc_cb.deact_pending = FALSE;
nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD,
(tNFA_DM_RF_DISC_DATA *) &nfa_dm_cb.disc_cb.pending_deact_type);
}
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_data_cback
**
** Description Monitoring interface error through data callback
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_data_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data)
{
NFA_TRACE_DEBUG0 ("nfa_dm_disc_data_cback ()");
/* if selection failed */
if (event == NFC_ERROR_CEVT)
{
nfa_dm_disc_sm_execute (NFA_DM_CORE_INTF_ERROR_NTF, NULL);
}
else if (event == NFC_DATA_CEVT)
{
GKI_freebuf (p_data->data.p_data);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_new_state
**
** Description Processing discovery events in NFA_DM_RFST_IDLE state
**
** Returns void
**
*******************************************************************************/
void nfa_dm_disc_new_state (tNFA_DM_RF_DISC_STATE new_state)
{
tNFA_CONN_EVT_DATA evt_data;
tNFA_DM_RF_DISC_STATE old_state = nfa_dm_cb.disc_cb.disc_state;
#if (BT_TRACE_VERBOSE == TRUE)
NFA_TRACE_DEBUG5 ("nfa_dm_disc_new_state (): old_state: %s (%d), new_state: %s (%d) disc_flags: 0x%x",
nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
nfa_dm_disc_state_2_str (new_state), new_state, nfa_dm_cb.disc_cb.disc_flags);
#else
NFA_TRACE_DEBUG3 ("nfa_dm_disc_new_state(): old_state: %d, new_state: %d disc_flags: 0x%x",
nfa_dm_cb.disc_cb.disc_state, new_state, nfa_dm_cb.disc_cb.disc_flags);
#endif
nfa_dm_cb.disc_cb.disc_state = new_state;
if ( (new_state == NFA_DM_RFST_IDLE)
&&(!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)) ) /* not error recovering */
{
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_STOPPING;
/* if exclusive RF control is stopping */
if (nfa_dm_cb.flags & NFA_DM_FLAGS_EXCL_RF_ACTIVE)
{
if (old_state > NFA_DM_RFST_DISCOVERY)
{
/* notify deactivation to application */
evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
}
nfa_dm_rel_excl_rf_control_and_notify ();
}
else
{
evt_data.status = NFA_STATUS_OK;
nfa_dm_conn_cback_event_notify (NFA_RF_DISCOVERY_STOPPED_EVT, &evt_data);
}
}
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_DISABLING)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_DISABLING;
nfa_sys_check_disabled ();
}
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_idle
**
** Description Processing discovery events in NFA_DM_RFST_IDLE state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_idle (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
UINT8 xx;
switch (event)
{
case NFA_DM_RF_DISCOVER_CMD:
nfa_dm_start_rf_discover ();
break;
case NFA_DM_RF_DISCOVER_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
if (p_data->nfc_discover.status == NFC_STATUS_OK)
{
nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
/* if RF discovery was stopped while waiting for response */
if (nfa_dm_cb.disc_cb.disc_flags & (NFA_DM_DISC_FLAGS_STOPPING|NFA_DM_DISC_FLAGS_DISABLING))
{
/* stop discovery */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
break;
}
if (nfa_dm_cb.disc_cb.excl_disc_entry.in_use)
{
if (nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags & NFA_DM_DISC_FLAGS_NOTIFY)
{
nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
if (nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)
(*(nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback)) (NFA_DM_RF_DISC_START_EVT, (tNFC_DISCOVER*) p_data);
}
}
else
{
/* notify event to each module which is waiting for start */
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
/* if registered module is waiting for starting discovery */
if ( (nfa_dm_cb.disc_cb.entry[xx].in_use)
&&(nfa_dm_cb.disc_cb.dm_disc_mask & nfa_dm_cb.disc_cb.entry[xx].selected_disc_mask)
&&(nfa_dm_cb.disc_cb.entry[xx].disc_flags & NFA_DM_DISC_FLAGS_NOTIFY) )
{
nfa_dm_cb.disc_cb.entry[xx].disc_flags &= ~NFA_DM_DISC_FLAGS_NOTIFY;
if (nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)
(*(nfa_dm_cb.disc_cb.entry[xx].p_disc_cback)) (NFA_DM_RF_DISC_START_EVT, (tNFC_DISCOVER*) p_data);
}
}
}
nfa_dm_disc_notify_started (p_data->nfc_discover.status);
}
else
{
/* in rare case that the discovery states of NFCC and DH mismatch and NFCC rejects Discover Cmd
* deactivate idle and then start disvocery when got deactivate rsp */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* if NFCC goes to idle successfully */
if (p_data->nfc_discover.status == NFC_STATUS_OK)
{
/* if DH forced to go idle while waiting for deactivation NTF */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
/* check any pending flags like NFA_DM_DISC_FLAGS_STOPPING or NFA_DM_DISC_FLAGS_DISABLING */
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
/* check if need to restart discovery after resync discovery state with NFCC */
nfa_dm_start_rf_discover ();
}
/* Otherwise, deactivating when getting unexpected activation */
}
/* Otherwise, wait for deactivation NTF */
break;
case NFA_DM_RF_DEACTIVATE_NTF:
/* if NFCC sent this after NFCC had rejected deactivate CMD to idle while deactivating */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
{
/* stop discovery */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
else
{
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
/* check any pending flags like NFA_DM_DISC_FLAGS_STOPPING or NFA_DM_DISC_FLAGS_DISABLING */
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
/* check if need to restart discovery after resync discovery state with NFCC */
nfa_dm_start_rf_discover ();
}
}
/* Otherwise, deactivated when received unexpected activation in idle state */
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
break;
case NFA_DM_RF_INTF_ACTIVATED_NTF:
/* unexpected activation, deactivate to idle */
nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
break;
case NFA_DM_LP_LISTEN_CMD:
nfa_dm_disc_new_state (NFA_DM_RFST_LP_LISTEN);
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_idle (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_discovery
**
** Description Processing discovery events in NFA_DM_RFST_DISCOVERY state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_discovery (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
switch (event)
{
case NFA_DM_RF_DEACTIVATE_CMD:
/* if deactivate CMD was not sent to NFCC */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
NFC_Deactivate (p_data->deactivate_type);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* if it's not race condition between deactivate CMD and activate NTF */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
/* do not notify deactivated to idle in RF discovery state
** because it is internal or stopping RF discovery
*/
/* there was no activation while waiting for deactivation RSP */
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
break;
case NFA_DM_RF_DISCOVER_NTF:
nfa_dm_disc_new_state (NFA_DM_RFST_W4_ALL_DISCOVERIES);
nfa_dm_notify_discovery (p_data);
break;
case NFA_DM_RF_INTF_ACTIVATED_NTF:
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
{
NFA_TRACE_DEBUG0 ("RF Activated while waiting for deactivation RSP");
/* it's race condition. DH has to wait for deactivation NTF */
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_NTF;
}
else
{
if (p_data->nfc_discover.activate.intf_param.type == NFC_INTERFACE_EE_DIRECT_RF)
{
nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
}
else if (p_data->nfc_discover.activate.rf_tech_param.mode & 0x80)
{
/* Listen mode */
nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
}
else
{
/* Poll mode */
nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
}
if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
{
NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
/* after receiving deactivate event, restart discovery */
nfa_dm_cb.disc_cb.disc_flags |= (NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
}
break;
case NFA_DM_RF_DEACTIVATE_NTF:
/* if there was race condition between deactivate CMD and activate NTF */
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF)
{
/* race condition is resolved */
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
/* do not notify deactivated to idle in RF discovery state
** because it is internal or stopping RF discovery
*/
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
}
break;
case NFA_DM_LP_LISTEN_CMD:
break;
case NFA_DM_CORE_INTF_ERROR_NTF:
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_discovery (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_w4_all_discoveries
**
** Description Processing discovery events in NFA_DM_RFST_W4_ALL_DISCOVERIES state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_w4_all_discoveries (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
switch (event)
{
case NFA_DM_RF_DEACTIVATE_CMD:
/* if deactivate CMD was not sent to NFCC */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
/* only IDLE mode is allowed */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* notify exiting from w4 all discoverie state */
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
break;
case NFA_DM_RF_DISCOVER_NTF:
/* if deactivate CMD is already sent then ignore discover NTF */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
/* Notification Type = NCI_DISCOVER_NTF_LAST or NCI_DISCOVER_NTF_LAST_ABORT */
if (p_data->nfc_discover.result.more != NCI_DISCOVER_NTF_MORE)
{
nfa_dm_disc_new_state (NFA_DM_RFST_W4_HOST_SELECT);
}
nfa_dm_notify_discovery (p_data);
}
break;
case NFA_DM_RF_INTF_ACTIVATED_NTF:
/*
** This is only for ISO15693.
** FW sends activation NTF when all responses are received from tags without host selecting.
*/
nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
{
NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
/* after receiving deactivate event, restart discovery */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_w4_all_discoveries (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_w4_host_select
**
** Description Processing discovery events in NFA_DM_RFST_W4_HOST_SELECT state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_w4_host_select (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
tNFA_CONN_EVT_DATA conn_evt;
tNFA_DM_DISC_FLAGS old_sleep_wakeup_flag = (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING);
BOOLEAN sleep_wakeup_event = FALSE;
BOOLEAN sleep_wakeup_event_processed = FALSE;
tNFA_STATUS status;
switch (event)
{
case NFA_DM_RF_DISCOVER_SELECT_CMD:
/* if not waiting to deactivate */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
NFC_DiscoverySelect (p_data->select.rf_disc_id,
p_data->select.protocol,
p_data->select.rf_interface);
}
else
{
nfa_dm_disc_conn_event_notify (NFA_SELECT_RESULT_EVT, NFA_STATUS_FAILED);
}
break;
case NFA_DM_RF_DISCOVER_SELECT_RSP:
sleep_wakeup_event = TRUE;
/* notify application status of selection */
if (p_data->nfc_discover.status == NFC_STATUS_OK)
{
sleep_wakeup_event_processed = TRUE;
conn_evt.status = NFA_STATUS_OK;
/* register callback to get interface error NTF */
NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
}
else
conn_evt.status = NFA_STATUS_FAILED;
if (!old_sleep_wakeup_flag)
{
nfa_dm_disc_conn_event_notify (NFA_SELECT_RESULT_EVT, p_data->nfc_discover.status);
}
break;
case NFA_DM_RF_INTF_ACTIVATED_NTF:
nfa_dm_disc_new_state (NFA_DM_RFST_POLL_ACTIVE);
/* always call nfa_dm_disc_notify_activation to update protocol/interface information in NFA control blocks */
status = nfa_dm_disc_notify_activation (&(p_data->nfc_discover));
if (old_sleep_wakeup_flag)
{
/* Handle sleep wakeup success: notify RW module of sleep wakeup of tag; if deactivation is pending then deactivate */
nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_OK);
}
else if (status == NFA_STATUS_FAILED)
{
NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
/* after receiving deactivate event, restart discovery */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
case NFA_DM_RF_DEACTIVATE_CMD:
if (old_sleep_wakeup_flag)
{
nfa_dm_cb.disc_cb.deact_pending = TRUE;
nfa_dm_cb.disc_cb.pending_deact_type = p_data->deactivate_type;
}
/* if deactivate CMD was not sent to NFCC */
else if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP))
{
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_W4_RSP;
/* only IDLE mode is allowed */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* notify exiting from host select state */
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
break;
case NFA_DM_CORE_INTF_ERROR_NTF:
sleep_wakeup_event = TRUE;
if (!old_sleep_wakeup_flag)
{
/* target activation failed, upper layer may deactivate or select again */
conn_evt.status = NFA_STATUS_FAILED;
nfa_dm_conn_cback_event_notify (NFA_SELECT_RESULT_EVT, &conn_evt);
}
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_w4_host_select (): Unexpected discovery event");
break;
}
if (old_sleep_wakeup_flag && sleep_wakeup_event && !sleep_wakeup_event_processed)
{
/* performing sleep wakeup and exception conditions happened
* clear sleep wakeup information and report failure */
nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_FAILED);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_poll_active
**
** Description Processing discovery events in NFA_DM_RFST_POLL_ACTIVE state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_poll_active (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
tNFC_STATUS status;
tNFA_DM_DISC_FLAGS old_sleep_wakeup_flag = (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_CHECKING);
BOOLEAN sleep_wakeup_event = FALSE;
BOOLEAN sleep_wakeup_event_processed = FALSE;
tNFC_DEACTIVATE_DEVT deact;
switch (event)
{
case NFA_DM_RF_DEACTIVATE_CMD:
if (nfa_dm_cb.disc_cb.activated_protocol == NCI_PROTOCOL_MIFARE)
{
nfa_dm_cb.disc_cb.deact_pending = TRUE;
nfa_dm_cb.disc_cb.pending_deact_type = p_data->deactivate_type;
status = nfa_dm_send_deactivate_cmd (p_data->deactivate_type);
break;
}
if (old_sleep_wakeup_flag)
{
/* sleep wakeup is already enabled when deactivate cmd is requested,
* keep the information in control block to issue it later */
nfa_dm_cb.disc_cb.deact_pending = TRUE;
nfa_dm_cb.disc_cb.pending_deact_type = p_data->deactivate_type;
}
else
{
status = nfa_dm_send_deactivate_cmd(p_data->deactivate_type);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* register callback to get interface error NTF */
NFC_SetStaticRfCback (nfa_dm_disc_data_cback);
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
/* it's race condition. received deactivate NTF before receiving RSP */
deact.status = NFC_STATUS_OK;
deact.type = NFC_DEACTIVATE_TYPE_IDLE;
deact.is_ntf = TRUE;
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
/* NFCC is in IDLE state */
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
break;
case NFA_DM_RF_DEACTIVATE_NTF:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
{
/* it's race condition. received deactivate NTF before receiving RSP */
/* notify deactivation after receiving deactivate RSP */
NFA_TRACE_DEBUG0 ("Rx deactivate NTF while waiting for deactivate RSP");
break;
}
sleep_wakeup_event = TRUE;
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
if ( (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
||(p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF) )
{
nfa_dm_disc_new_state (NFA_DM_RFST_W4_HOST_SELECT);
if (old_sleep_wakeup_flag)
{
sleep_wakeup_event_processed = TRUE;
/* process pending deactivate request */
if (nfa_dm_cb.disc_cb.deact_pending)
{
/* notify RW module that sleep wakeup is finished */
/* if deactivation is pending then deactivate */
nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_OK);
/* Notify NFA RW sub-systems because NFA_DM_RF_DEACTIVATE_RSP will not call this function */
nfa_rw_proc_disc_evt (NFA_DM_RF_DISC_DEACTIVATED_EVT, NULL, TRUE);
}
else
{
/* Successfully went to sleep mode for sleep wakeup */
/* Now wake up the tag to complete the operation */
NFC_DiscoverySelect (nfa_dm_cb.disc_cb.activated_rf_disc_id,
nfa_dm_cb.disc_cb.activated_protocol,
nfa_dm_cb.disc_cb.activated_rf_interface);
}
}
}
else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
{
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
{
nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
{
/* stop discovery */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
}
break;
case NFA_DM_CORE_INTF_ERROR_NTF:
sleep_wakeup_event = TRUE;
if ( (!old_sleep_wakeup_flag)
||(!nfa_dm_cb.disc_cb.deact_pending) )
{
nfa_dm_send_deactivate_cmd (NFA_DEACTIVATE_TYPE_DISCOVERY);
}
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_poll_active (): Unexpected discovery event");
break;
}
if (old_sleep_wakeup_flag && sleep_wakeup_event && !sleep_wakeup_event_processed)
{
/* performing sleep wakeup and exception conditions happened
* clear sleep wakeup information and report failure */
nfa_dm_disc_end_sleep_wakeup (NFC_STATUS_FAILED);
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_listen_active
**
** Description Processing discovery events in NFA_DM_RFST_LISTEN_ACTIVE state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_listen_active (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
tNFC_DEACTIVATE_DEVT deact;
switch (event)
{
case NFA_DM_RF_DEACTIVATE_CMD:
nfa_dm_send_deactivate_cmd(p_data->deactivate_type);
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
/* it's race condition. received deactivate NTF before receiving RSP */
deact.status = NFC_STATUS_OK;
deact.type = NFC_DEACTIVATE_TYPE_IDLE;
deact.is_ntf = TRUE;
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, (tNFC_DISCOVER*)&deact);
/* NFCC is in IDLE state */
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
break;
case NFA_DM_RF_DEACTIVATE_NTF:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_RSP)
{
/* it's race condition. received deactivate NTF before receiving RSP */
/* notify deactivation after receiving deactivate RSP */
NFA_TRACE_DEBUG0 ("Rx deactivate NTF while waiting for deactivate RSP");
}
else
{
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
{
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
else if ( (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
||(p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF) )
{
nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_SLEEP);
}
else if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_DISCOVERY)
{
/* Discovery */
nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
if (nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_STOPPING)
{
/* stop discovery */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
}
}
break;
case NFA_DM_CORE_INTF_ERROR_NTF:
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_listen_active (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_listen_sleep
**
** Description Processing discovery events in NFA_DM_RFST_LISTEN_SLEEP state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_listen_sleep (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
switch (event)
{
case NFA_DM_RF_DEACTIVATE_CMD:
nfa_dm_send_deactivate_cmd (p_data->deactivate_type);
/* if deactivate type is not discovery then NFCC will not sent deactivation NTF */
if (p_data->deactivate_type != NFA_DEACTIVATE_TYPE_DISCOVERY)
{
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_NTF;
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
}
break;
case NFA_DM_RF_DEACTIVATE_RSP:
nfa_dm_cb.disc_cb.disc_flags &= ~NFA_DM_DISC_FLAGS_W4_RSP;
/* if deactivate type in CMD was IDLE */
if (!(nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_W4_NTF))
{
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
break;
case NFA_DM_RF_DEACTIVATE_NTF:
/* clear both W4_RSP and W4_NTF because of race condition between deactivat CMD and link loss */
nfa_dm_cb.disc_cb.disc_flags &= ~(NFA_DM_DISC_FLAGS_W4_RSP|NFA_DM_DISC_FLAGS_W4_NTF);
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.tle);
/* there is no active protocol in this state, so broadcast to all by using NFA_DM_RF_DEACTIVATE_RSP */
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_RSP, &(p_data->nfc_discover));
if (p_data->nfc_discover.deactivate.type == NFC_DEACTIVATE_TYPE_IDLE)
{
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
else if (p_data->nfc_discover.deactivate.type == NFA_DEACTIVATE_TYPE_DISCOVERY)
{
nfa_dm_disc_new_state (NFA_DM_RFST_DISCOVERY);
}
else
{
NFA_TRACE_ERROR0 ("Unexpected deactivation type");
nfa_dm_disc_new_state (NFA_DM_RFST_IDLE);
nfa_dm_start_rf_discover ();
}
break;
case NFA_DM_RF_INTF_ACTIVATED_NTF:
nfa_dm_disc_new_state (NFA_DM_RFST_LISTEN_ACTIVE);
if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
{
NFA_TRACE_DEBUG0 ("Not matched, restart discovery after receiving deactivate ntf");
/* after receiving deactivate event, restart discovery */
NFC_Deactivate (NFA_DEACTIVATE_TYPE_IDLE);
}
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_listen_sleep (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_lp_listen
**
** Description Processing discovery events in NFA_DM_RFST_LP_LISTEN state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_lp_listen (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
switch (event)
{
case NFA_DM_RF_INTF_ACTIVATED_NTF:
nfa_dm_disc_new_state (NFA_DM_RFST_LP_ACTIVE);
nfa_dm_disc_notify_activation (&(p_data->nfc_discover));
if (nfa_dm_disc_notify_activation (&(p_data->nfc_discover)) == NFA_STATUS_FAILED)
{
NFA_TRACE_DEBUG0 ("Not matched, unexpected activation");
}
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_lp_listen (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_lp_active
**
** Description Processing discovery events in NFA_DM_RFST_LP_ACTIVE state
**
** Returns void
**
*******************************************************************************/
static void nfa_dm_disc_sm_lp_active (tNFA_DM_RF_DISC_SM_EVENT event,
tNFA_DM_RF_DISC_DATA *p_data)
{
switch (event)
{
case NFA_DM_RF_DEACTIVATE_NTF:
nfa_dm_disc_new_state (NFA_DM_RFST_LP_LISTEN);
nfa_dm_disc_notify_deactivation (NFA_DM_RF_DEACTIVATE_NTF, &(p_data->nfc_discover));
break;
default:
NFA_TRACE_ERROR0 ("nfa_dm_disc_sm_lp_active (): Unexpected discovery event");
break;
}
}
/*******************************************************************************
**
** Function nfa_dm_disc_sm_execute
**
** Description Processing discovery related events
**
** Returns void
**
*******************************************************************************/
void nfa_dm_disc_sm_execute (tNFA_DM_RF_DISC_SM_EVENT event, tNFA_DM_RF_DISC_DATA *p_data)
{
#if (BT_TRACE_VERBOSE == TRUE)
NFA_TRACE_DEBUG5 ("nfa_dm_disc_sm_execute (): state: %s (%d), event: %s(%d) disc_flags: 0x%x",
nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
nfa_dm_disc_event_2_str (event), event, nfa_dm_cb.disc_cb.disc_flags);
#else
NFA_TRACE_DEBUG3 ("nfa_dm_disc_sm_execute(): state: %d, event:%d disc_flags: 0x%x",
nfa_dm_cb.disc_cb.disc_state, event, nfa_dm_cb.disc_cb.disc_flags);
#endif
switch (nfa_dm_cb.disc_cb.disc_state)
{
/* RF Discovery State - Idle */
case NFA_DM_RFST_IDLE:
nfa_dm_disc_sm_idle (event, p_data);
break;
/* RF Discovery State - Discovery */
case NFA_DM_RFST_DISCOVERY:
nfa_dm_disc_sm_discovery (event, p_data);
break;
/*RF Discovery State - Wait for all discoveries */
case NFA_DM_RFST_W4_ALL_DISCOVERIES:
nfa_dm_disc_sm_w4_all_discoveries (event, p_data);
break;
/* RF Discovery State - Wait for host selection */
case NFA_DM_RFST_W4_HOST_SELECT:
nfa_dm_disc_sm_w4_host_select (event, p_data);
break;
/* RF Discovery State - Poll mode activated */
case NFA_DM_RFST_POLL_ACTIVE:
nfa_dm_disc_sm_poll_active (event, p_data);
break;
/* RF Discovery State - listen mode activated */
case NFA_DM_RFST_LISTEN_ACTIVE:
nfa_dm_disc_sm_listen_active (event, p_data);
break;
/* RF Discovery State - listen mode sleep */
case NFA_DM_RFST_LISTEN_SLEEP:
nfa_dm_disc_sm_listen_sleep (event, p_data);
break;
/* Listening in Low Power mode */
case NFA_DM_RFST_LP_LISTEN:
nfa_dm_disc_sm_lp_listen (event, p_data);
break;
/* Activated in Low Power mode */
case NFA_DM_RFST_LP_ACTIVE:
nfa_dm_disc_sm_lp_active (event, p_data);
break;
}
#if (BT_TRACE_VERBOSE == TRUE)
NFA_TRACE_DEBUG3 ("nfa_dm_disc_sm_execute (): new state: %s (%d), disc_flags: 0x%x",
nfa_dm_disc_state_2_str (nfa_dm_cb.disc_cb.disc_state), nfa_dm_cb.disc_cb.disc_state,
nfa_dm_cb.disc_cb.disc_flags);
#else
NFA_TRACE_DEBUG2 ("nfa_dm_disc_sm_execute(): new state: %d, disc_flags: 0x%x",
nfa_dm_cb.disc_cb.disc_state, nfa_dm_cb.disc_cb.disc_flags);
#endif
}
/*******************************************************************************
**
** Function nfa_dm_add_rf_discover
**
** Description Add discovery configuration and callback function
**
** Returns valid handle if success
**
*******************************************************************************/
tNFA_HANDLE nfa_dm_add_rf_discover (tNFA_DM_DISC_TECH_PROTO_MASK disc_mask,
tNFA_DM_DISC_HOST_ID host_id,
tNFA_DISCOVER_CBACK *p_disc_cback)
{
UINT8 xx;
NFA_TRACE_DEBUG1 ("nfa_dm_add_rf_discover () disc_mask=0x%x", disc_mask);
for (xx = 0; xx < NFA_DM_DISC_NUM_ENTRIES; xx++)
{
if (!nfa_dm_cb.disc_cb.entry[xx].in_use)
{
nfa_dm_cb.disc_cb.entry[xx].in_use = TRUE;
nfa_dm_cb.disc_cb.entry[xx].requested_disc_mask = disc_mask;
nfa_dm_cb.disc_cb.entry[xx].host_id = host_id;
nfa_dm_cb.disc_cb.entry[xx].p_disc_cback = p_disc_cback;
nfa_dm_cb.disc_cb.entry[xx].disc_flags = NFA_DM_DISC_FLAGS_NOTIFY;
return xx;
}
}
return NFA_HANDLE_INVALID;
}
/*******************************************************************************
**
** Function nfa_dm_start_excl_discovery
**
** Description Start exclusive RF discovery
**
** Returns void
**
*******************************************************************************/
void nfa_dm_start_excl_discovery (tNFA_TECHNOLOGY_MASK poll_tech_mask,
tNFA_LISTEN_CFG *p_listen_cfg,
tNFA_DISCOVER_CBACK *p_disc_cback)
{
tNFA_DM_DISC_TECH_PROTO_MASK poll_disc_mask = 0;
NFA_TRACE_DEBUG0 ("nfa_dm_start_excl_discovery ()");
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_A)
{
poll_disc_mask |= NFA_DM_DISC_MASK_PA_T1T;
poll_disc_mask |= NFA_DM_DISC_MASK_PA_T2T;
poll_disc_mask |= NFA_DM_DISC_MASK_PA_ISO_DEP;
poll_disc_mask |= NFA_DM_DISC_MASK_PA_NFC_DEP;
poll_disc_mask |= NFA_DM_DISC_MASK_P_LEGACY;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
{
poll_disc_mask |= NFA_DM_DISC_MASK_PAA_NFC_DEP;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_B)
{
poll_disc_mask |= NFA_DM_DISC_MASK_PB_ISO_DEP;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_F)
{
poll_disc_mask |= NFA_DM_DISC_MASK_PF_T3T;
poll_disc_mask |= NFA_DM_DISC_MASK_PF_NFC_DEP;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
{
poll_disc_mask |= NFA_DM_DISC_MASK_PFA_NFC_DEP;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_ISO15693)
{
poll_disc_mask |= NFA_DM_DISC_MASK_P_ISO15693;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_B_PRIME)
{
poll_disc_mask |= NFA_DM_DISC_MASK_P_B_PRIME;
}
if (poll_tech_mask & NFA_TECHNOLOGY_MASK_KOVIO)
{
poll_disc_mask |= NFA_DM_DISC_MASK_P_KOVIO;
}
nfa_dm_cb.disc_cb.excl_disc_entry.in_use = TRUE;
nfa_dm_cb.disc_cb.excl_disc_entry.requested_disc_mask = poll_disc_mask;
nfa_dm_cb.disc_cb.excl_disc_entry.host_id = NFA_DM_DISC_HOST_ID_DH;
nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback = p_disc_cback;
nfa_dm_cb.disc_cb.excl_disc_entry.disc_flags = NFA_DM_DISC_FLAGS_NOTIFY;
memcpy (&nfa_dm_cb.disc_cb.excl_listen_config, p_listen_cfg, sizeof (tNFA_LISTEN_CFG));
nfa_dm_disc_sm_execute (NFA_DM_RF_DISCOVER_CMD, NULL);
}
/*******************************************************************************
**
** Function nfa_dm_stop_excl_discovery
**
** Description Stop exclusive RF discovery
**
** Returns void
**
*******************************************************************************/
void nfa_dm_stop_excl_discovery (void)
{
NFA_TRACE_DEBUG0 ("nfa_dm_stop_excl_discovery ()");
nfa_dm_cb.disc_cb.excl_disc_entry.in_use = FALSE;
nfa_dm_cb.disc_cb.excl_disc_entry.p_disc_cback = NULL;
}
/*******************************************************************************
**
** Function nfa_dm_delete_rf_discover
**
** Description Remove discovery configuration and callback function
**
** Returns void
**
*******************************************************************************/
void nfa_dm_delete_rf_discover (tNFA_HANDLE handle)
{
NFA_TRACE_DEBUG1 ("nfa_dm_delete_rf_discover () handle=0x%x", handle);
if (handle < NFA_DM_DISC_NUM_ENTRIES)
{
nfa_dm_cb.disc_cb.entry[handle].in_use = FALSE;
}
else
{
NFA_TRACE_ERROR0 ("Invalid discovery handle");
}
}
/*******************************************************************************
**
** Function nfa_dm_rf_discover_select
**
** Description Select target, protocol and RF interface
**
** Returns void
**
*******************************************************************************/
void nfa_dm_rf_discover_select (UINT8 rf_disc_id,
tNFA_NFC_PROTOCOL protocol,
tNFA_INTF_TYPE rf_interface)
{
tNFA_DM_DISC_SELECT_PARAMS select_params;
tNFA_CONN_EVT_DATA conn_evt;
NFA_TRACE_DEBUG3 ("nfa_dm_disc_select () rf_disc_id:0x%X, protocol:0x%X, rf_interface:0x%X",
rf_disc_id, protocol, rf_interface);
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_W4_HOST_SELECT)
{
/* state is OK: notify the status when the response is received from NFCC */
select_params.rf_disc_id = rf_disc_id;
select_params.protocol = protocol;
select_params.rf_interface = rf_interface;
nfa_dm_cb.disc_cb.disc_flags |= NFA_DM_DISC_FLAGS_NOTIFY;
nfa_dm_disc_sm_execute (NFA_DM_RF_DISCOVER_SELECT_CMD, (tNFA_DM_RF_DISC_DATA *) &select_params);
}
else
{
/* Wrong state: notify failed status right away */
conn_evt.status = NFA_STATUS_FAILED;
nfa_dm_conn_cback_event_notify (NFA_SELECT_RESULT_EVT, &conn_evt);
}
}
/*******************************************************************************
**
** Function nfa_dm_rf_deactivate
**
** Description Deactivate NFC link
**
** Returns NFA_STATUS_OK if success
**
*******************************************************************************/
tNFA_STATUS nfa_dm_rf_deactivate (tNFA_DEACTIVATE_TYPE deactivate_type)
{
NFA_TRACE_DEBUG1 ("nfa_dm_rf_deactivate () deactivate_type:0x%X", deactivate_type);
if (deactivate_type == NFA_DEACTIVATE_TYPE_SLEEP)
{
if (nfa_dm_cb.disc_cb.activated_protocol == NFA_PROTOCOL_NFC_DEP)
deactivate_type = NFC_DEACTIVATE_TYPE_SLEEP_AF;
else
deactivate_type = NFC_DEACTIVATE_TYPE_SLEEP;
}
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_IDLE)
{
return NFA_STATUS_FAILED;
}
else if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_DISCOVERY)
{
if (deactivate_type == NFA_DEACTIVATE_TYPE_DISCOVERY)
{
if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
{
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.kovio_tle);
nfa_dm_disc_kovio_timeout_cback (&nfa_dm_cb.disc_cb.kovio_tle);
return NFA_STATUS_OK;
}
else
{
/* it could be race condition. */
NFA_TRACE_DEBUG0 ("nfa_dm_rf_deactivate (): already in discovery state");
return NFA_STATUS_FAILED;
}
}
else if (deactivate_type == NFA_DEACTIVATE_TYPE_IDLE)
{
if (nfa_dm_cb.disc_cb.kovio_tle.in_use)
{
nfa_sys_stop_timer (&nfa_dm_cb.disc_cb.kovio_tle);
nfa_dm_disc_kovio_timeout_cback (&nfa_dm_cb.disc_cb.kovio_tle);
}
nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD, (tNFA_DM_RF_DISC_DATA *) &deactivate_type);
return NFA_STATUS_OK;
}
else
{
return NFA_STATUS_FAILED;
}
}
else
{
nfa_dm_disc_sm_execute (NFA_DM_RF_DEACTIVATE_CMD, (tNFA_DM_RF_DISC_DATA *) &deactivate_type);
return NFA_STATUS_OK;
}
}
#if (BT_TRACE_VERBOSE == TRUE)
/*******************************************************************************
**
** Function nfa_dm_disc_state_2_str
**
** Description convert nfc discovery state to string
**
*******************************************************************************/
static char *nfa_dm_disc_state_2_str (UINT8 state)
{
switch (state)
{
case NFA_DM_RFST_IDLE:
return "IDLE";
case NFA_DM_RFST_DISCOVERY:
return "DISCOVERY";
case NFA_DM_RFST_W4_ALL_DISCOVERIES:
return "W4_ALL_DISCOVERIES";
case NFA_DM_RFST_W4_HOST_SELECT:
return "W4_HOST_SELECT";
case NFA_DM_RFST_POLL_ACTIVE:
return "POLL_ACTIVE";
case NFA_DM_RFST_LISTEN_ACTIVE:
return "LISTEN_ACTIVE";
case NFA_DM_RFST_LISTEN_SLEEP:
return "LISTEN_SLEEP";
case NFA_DM_RFST_LP_LISTEN:
return "LP_LISTEN";
case NFA_DM_RFST_LP_ACTIVE:
return "LP_ACTIVE";
}
return "Unknown";
}
/*******************************************************************************
**
** Function nfa_dm_disc_event_2_str
**
** Description convert nfc discovery RSP/NTF to string
**
*******************************************************************************/
static char *nfa_dm_disc_event_2_str (UINT8 event)
{
switch (event)
{
case NFA_DM_RF_DISCOVER_CMD:
return "DISCOVER_CMD";
case NFA_DM_RF_DISCOVER_RSP:
return "DISCOVER_RSP";
case NFA_DM_RF_DISCOVER_NTF:
return "DISCOVER_NTF";
case NFA_DM_RF_DISCOVER_SELECT_CMD:
return "SELECT_CMD";
case NFA_DM_RF_DISCOVER_SELECT_RSP:
return "SELECT_RSP";
case NFA_DM_RF_INTF_ACTIVATED_NTF:
return "ACTIVATED_NTF";
case NFA_DM_RF_DEACTIVATE_CMD:
return "DEACTIVATE_CMD";
case NFA_DM_RF_DEACTIVATE_RSP:
return "DEACTIVATE_RSP";
case NFA_DM_RF_DEACTIVATE_NTF:
return "DEACTIVATE_NTF";
case NFA_DM_LP_LISTEN_CMD:
return "NFA_DM_LP_LISTEN_CMD";
case NFA_DM_CORE_INTF_ERROR_NTF:
return "INTF_ERROR_NTF";
}
return "Unknown";
}
#endif /* BT_TRACE_VERBOSE */
/*******************************************************************************
**
** Function P2P_Prio_Logic
**
** Description Implements algorithm for NFC-DEP protocol priority over
** ISO-DEP protocol.
**
** Returns True if success
**
*******************************************************************************/
BOOLEAN nfa_dm_p2p_prio_logic (UINT8 event, UINT8 *p, UINT8 event_type)
{
if (!nfa_poll_bail_out_mode)
{
NFA_TRACE_DEBUG0 ("p2p priority is running under bail out mode ONLY.");
return TRUE;
}
if ((nfa_dm_cb.flags & NFA_DM_FLAGS_P2P_PAUSED) &&
(nfa_dm_cb.flags & NFA_DM_FLAGS_LISTEN_DISABLED))
{
NFA_TRACE_DEBUG0 ("returning from nfa_dm_p2p_prio_logic Disable p2p_prio_logic");
return TRUE;
}
if (event == NCI_MSG_RF_DISCOVER && p2p_prio_logic_data.timer_expired == TRUE && event_type == NFA_DM_P2P_PRIO_RSP)
{
NFA_TRACE_DEBUG0 ("nfa_dm_p2p_prio_logic starting a timer for next rf intf activated ntf");
nfc_start_quick_timer (&p2p_prio_logic_data.timer_list,
NFC_TTYPE_P2P_PRIO_LOGIC_CLEANUP,
((UINT32) nfa_dm_act_get_rf_disc_duration() * QUICK_TIMER_TICKS_PER_SEC) / 1000);
return TRUE;
}
if (event == NCI_MSG_RF_INTF_ACTIVATED && p2p_prio_logic_data.timer_expired == TRUE)
{
NFA_TRACE_DEBUG0 ("nfa_dm_p2p_prio_logic stopping a timer for next rf intf activated ntf");
nfc_stop_quick_timer (&p2p_prio_logic_data.timer_list);
}
if (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_DISCOVERY)
{
UINT8 rf_disc_id = 0xFF;
UINT8 type = 0xFF;
UINT8 protocol = 0xFF;
UINT8 tech_mode = 0xFF;
NFA_TRACE_DEBUG0 ("P2P_Prio_Logic");
if (event == NCI_MSG_RF_INTF_ACTIVATED )
{
rf_disc_id = *p++;
type = *p++;
protocol = *p++;
tech_mode = *p++;
}
NFA_TRACE_DEBUG1 ("nfa_dm_p2p_prio_logic event_type = 0x%x", event_type);
if (event == NCI_MSG_RF_INTF_ACTIVATED && tech_mode >= 0x80)
{
NFA_TRACE_DEBUG0 ("nfa_dm_p2p_prio_logic listen mode activated reset all the nfa_dm_p2p_prio_logic variables ");
nfa_dm_p2p_prio_logic_cleanup ();
}
if ((tech_mode < 0x80) &&
event == NCI_MSG_RF_INTF_ACTIVATED &&
protocol == NCI_PROTOCOL_ISO_DEP &&
p2p_prio_logic_data.isodep_detected == FALSE)
{
nfa_dm_p2p_prio_logic_cleanup ();
p2p_prio_logic_data.isodep_detected = TRUE;
p2p_prio_logic_data.first_tech_mode = tech_mode;
NFA_TRACE_DEBUG0 ("ISO-DEP Detected First Time Resume the Polling Loop");
nci_snd_deactivate_cmd (NFA_DEACTIVATE_TYPE_DISCOVERY);
return FALSE;
}
else if (event == NCI_MSG_RF_INTF_ACTIVATED &&
protocol == NCI_PROTOCOL_ISO_DEP &&
p2p_prio_logic_data.isodep_detected == TRUE &&
p2p_prio_logic_data.first_tech_mode != tech_mode)
{
p2p_prio_logic_data.isodep_detected = TRUE;
p2p_prio_logic_data.timer_expired = FALSE;
NFA_TRACE_DEBUG0 ("ISO-DEP Detected Second Time Other Techmode Resume the Polling Loop");
nfc_stop_quick_timer (&p2p_prio_logic_data.timer_list);
nci_snd_deactivate_cmd (NFA_DEACTIVATE_TYPE_DISCOVERY);
return FALSE;
}
else if (event == NCI_MSG_RF_INTF_ACTIVATED &&
protocol == NCI_PROTOCOL_ISO_DEP &&
p2p_prio_logic_data.isodep_detected == TRUE &&
p2p_prio_logic_data.timer_expired == TRUE)
{
NFA_TRACE_DEBUG0 ("ISO-DEP Detected TimerExpired, Final Notifying the Event");
nfc_stop_quick_timer (&p2p_prio_logic_data.timer_list);
nfa_dm_p2p_prio_logic_cleanup ();
}
else if (event == NCI_MSG_RF_INTF_ACTIVATED &&
protocol == NCI_PROTOCOL_ISO_DEP &&
p2p_prio_logic_data.isodep_detected == TRUE &&
p2p_prio_logic_data.first_tech_mode == tech_mode)
{
NFA_TRACE_DEBUG0 ("ISO-DEP Detected Same Techmode, Final Notifying the Event");
nfc_stop_quick_timer (&p2p_prio_logic_data.timer_list);
NFA_TRACE_DEBUG0 ("P2P_Stop_Timer");
nfa_dm_p2p_prio_logic_cleanup ();
}
else if (event == NCI_MSG_RF_INTF_ACTIVATED &&
protocol != NCI_PROTOCOL_ISO_DEP &&
p2p_prio_logic_data.isodep_detected == TRUE)
{
NFA_TRACE_DEBUG0 ("ISO-DEP Not Detected Giving Priority for other Technology");
nfc_stop_quick_timer (&p2p_prio_logic_data.timer_list);
NFA_TRACE_DEBUG0 ("P2P_Stop_Timer");
nfa_dm_p2p_prio_logic_cleanup ();
}
else if (event == NCI_MSG_RF_DEACTIVATE &&
p2p_prio_logic_data.isodep_detected == TRUE &&
p2p_prio_logic_data.timer_expired == FALSE &&
event_type == NFA_DM_P2P_PRIO_RSP)
{
NFA_TRACE_DEBUG0 ("NFA_DM_RF_DEACTIVATE_RSP");
return FALSE;
}
else if (event == NCI_MSG_RF_DEACTIVATE &&
p2p_prio_logic_data.isodep_detected == TRUE &&
p2p_prio_logic_data.timer_expired == FALSE &&
event_type == NFA_DM_P2P_PRIO_NTF)
{
NFA_TRACE_DEBUG0 ("NFA_DM_RF_DEACTIVATE_NTF");
nfc_start_quick_timer (&p2p_prio_logic_data.timer_list,
NFC_TTYPE_P2P_PRIO_RESPONSE,
((UINT32) 160 * QUICK_TIMER_TICKS_PER_SEC) / 1000 );
NFA_TRACE_DEBUG0 ("P2P_Start_Timer");
return FALSE;
}
}
NFA_TRACE_DEBUG0 ("returning TRUE");
return TRUE;
}
/*******************************************************************************
**
** Function p2p_prio_logic_timeout
**
** Description Callback function for p2p timer
**
** Returns void
**
*******************************************************************************/
void nfa_dm_p2p_timer_event ()
{
NFA_TRACE_DEBUG0 ("P2P_Timer_timeout NFC-DEP Not Discovered!!");
p2p_prio_logic_data.timer_expired = TRUE;
if (p2p_prio_logic_data.isodep_detected == TRUE)
{
NFA_TRACE_DEBUG0 ("Deactivate and Restart RF discovery");
nci_snd_deactivate_cmd (NFC_DEACTIVATE_TYPE_IDLE);
}
}
/*******************************************************************************
**
** Function nfa_dm_p2p_prio_logic_cleanup
**
** Description Callback function for p2p prio logic cleanup timer
**
** Returns void
**
*******************************************************************************/
void nfa_dm_p2p_prio_logic_cleanup ()
{
memset (&p2p_prio_logic_data, 0x00, sizeof(nfa_dm_p2p_prio_logic_t));
}