| /****************************************************************************** |
| * |
| * Copyright (C) 2011-2012 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 is the main implementation file for the NFA_CE |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "nfa_ce_api.h" |
| #include "nfa_sys.h" |
| #include "nfa_ce_int.h" |
| #include "nfa_dm_int.h" |
| #include "nfa_sys_int.h" |
| |
| /* NFA_CE control block */ |
| tNFA_CE_CB nfa_ce_cb; |
| |
| /***************************************************************************** |
| ** Constants and types |
| *****************************************************************************/ |
| #define NFA_CE_DEFAULT_ISODEP_DISC_MASK (NFA_DM_DISC_MASK_LA_ISO_DEP | NFA_DM_DISC_MASK_LB_ISO_DEP) |
| |
| static const tNFA_SYS_REG nfa_ce_sys_reg = |
| { |
| NULL, |
| nfa_ce_hdl_event, |
| nfa_ce_sys_disable, |
| NULL |
| }; |
| |
| /* NFA_CE actions */ |
| const tNFA_CE_ACTION nfa_ce_action_tbl[] = |
| { |
| nfa_ce_api_cfg_local_tag, /* NFA_CE_API_CFG_LOCAL_TAG_EVT */ |
| nfa_ce_api_reg_listen, /* NFA_CE_API_REG_LISTEN_EVT */ |
| nfa_ce_api_dereg_listen, /* NFA_CE_API_DEREG_LISTEN_EVT */ |
| nfa_ce_api_cfg_isodep_tech, /* NFA_CE_API_CFG_ISODEP_TECH_EVT*/ |
| nfa_ce_activate_ntf, /* NFA_CE_ACTIVATE_NTF_EVT */ |
| nfa_ce_deactivate_ntf, /* NFA_CE_DEACTIVATE_NTF_EVT */ |
| }; |
| #define NFA_CE_ACTION_TBL_SIZE (sizeof (nfa_ce_action_tbl) / sizeof (tNFA_CE_ACTION)) |
| |
| /***************************************************************************** |
| ** Local function prototypes |
| *****************************************************************************/ |
| #if (BT_TRACE_VERBOSE == TRUE) |
| static char *nfa_ce_evt_2_str (UINT16 event); |
| #endif |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_ce_init |
| ** |
| ** Description Initialize NFA CE |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_ce_init (void) |
| { |
| NFA_TRACE_DEBUG0 ("nfa_ce_init ()"); |
| |
| /* initialize control block */ |
| memset (&nfa_ce_cb, 0, sizeof (tNFA_CE_CB)); |
| |
| /* Generate a random NFCID for Type-3 NDEF emulation (Type-3 tag NFCID2 must start with 02:FE) */ |
| nfa_ce_t3t_generate_rand_nfcid (nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].t3t_nfcid2); |
| nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].rf_disc_handle = NFA_HANDLE_INVALID; |
| nfa_ce_cb.isodep_disc_mask = NFA_CE_DEFAULT_ISODEP_DISC_MASK; |
| |
| /* register message handler on NFA SYS */ |
| nfa_sys_register ( NFA_ID_CE, &nfa_ce_sys_reg); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_ce_sys_disable |
| ** |
| ** Description Clean up ce sub-system |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfa_ce_sys_disable (void) |
| { |
| tNFA_CE_LISTEN_INFO *p_info; |
| UINT8 xx; |
| |
| NFC_SetStaticRfCback (NULL); |
| |
| /* Free scratch buf if any */ |
| nfa_ce_free_scratch_buf (); |
| |
| /* Delete discovery handles */ |
| for (xx = 0, p_info = nfa_ce_cb.listen_info; xx < NFA_CE_LISTEN_INFO_MAX; xx++, p_info++) |
| { |
| if ((p_info->flags & NFA_CE_LISTEN_INFO_IN_USE) && (p_info->rf_disc_handle != NFA_HANDLE_INVALID)) |
| { |
| nfa_dm_delete_rf_discover (p_info->rf_disc_handle); |
| p_info->rf_disc_handle = NFA_HANDLE_INVALID; |
| } |
| } |
| |
| nfa_sys_deregister (NFA_ID_CE); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_ce_hdl_event |
| ** |
| ** Description nfa rw main event handling function. |
| ** |
| ** Returns BOOLEAN |
| ** |
| *******************************************************************************/ |
| BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg) |
| { |
| UINT16 act_idx; |
| BOOLEAN freebuf = TRUE; |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| NFA_TRACE_EVENT3 ("nfa_ce_handle_event event: %s (0x%02x), flags: %08x", nfa_ce_evt_2_str (p_msg->event), p_msg->event, nfa_ce_cb.flags); |
| #else |
| NFA_TRACE_EVENT2 ("nfa_ce_handle_event event: 0x%x, flags: %08x",p_msg->event, nfa_ce_cb.flags); |
| #endif |
| |
| /* Get NFA_RW sub-event */ |
| if ((act_idx = (p_msg->event & 0x00FF)) < NFA_CE_ACTION_TBL_SIZE) |
| { |
| freebuf = (*nfa_ce_action_tbl[act_idx]) ((tNFA_CE_MSG*) p_msg); |
| } |
| |
| /* if vendor specific event handler is registered */ |
| if (nfa_ce_cb.p_vs_evt_hdlr) |
| { |
| (*nfa_ce_cb.p_vs_evt_hdlr) (p_msg); |
| } |
| |
| return freebuf; |
| } |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| /******************************************************************************* |
| ** |
| ** Function nfa_ce_evt_2_str |
| ** |
| ** Description convert nfc evt to string |
| ** |
| *******************************************************************************/ |
| static char *nfa_ce_evt_2_str (UINT16 event) |
| { |
| switch (event) |
| { |
| case NFA_CE_API_CFG_LOCAL_TAG_EVT: |
| return "NFA_CE_API_CFG_LOCAL_TAG_EVT"; |
| |
| case NFA_CE_API_REG_LISTEN_EVT: |
| return "NFA_CE_API_REG_LISTEN_EVT"; |
| |
| case NFA_CE_API_DEREG_LISTEN_EVT: |
| return "NFA_CE_API_DEREG_LISTEN_EVT"; |
| |
| case NFA_CE_API_CFG_ISODEP_TECH_EVT: |
| return "NFA_CE_API_CFG_ISODEP_TECH_EVT"; |
| |
| case NFA_CE_ACTIVATE_NTF_EVT: |
| return "NFA_CE_ACTIVATE_NTF_EVT"; |
| |
| case NFA_CE_DEACTIVATE_NTF_EVT: |
| return "NFA_CE_DEACTIVATE_NTF_EVT"; |
| |
| default: |
| return "Unknown"; |
| } |
| } |
| #endif /* BT_TRACE_VERBOSE */ |