1 /****************************************************************************** 2 * 3 * Copyright (C) 2011-2013 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 20 /****************************************************************************** 21 * 22 * This is the main implementation file for the NFA_CE 23 * 24 ******************************************************************************/ 25 #include <string.h> 26 #include "nfa_ce_api.h" 27 #include "nfa_sys.h" 28 #include "nfa_ce_int.h" 29 #include "nfa_dm_int.h" 30 #include "nfa_sys_int.h" 31 32 /* NFA_CE control block */ 33 tNFA_CE_CB nfa_ce_cb; 34 35 /***************************************************************************** 36 ** Constants and types 37 *****************************************************************************/ 38 #define NFA_CE_DEFAULT_ISODEP_DISC_MASK (NFA_DM_DISC_MASK_LA_ISO_DEP | NFA_DM_DISC_MASK_LB_ISO_DEP) 39 40 static const tNFA_SYS_REG nfa_ce_sys_reg = 41 { 42 NULL, 43 nfa_ce_hdl_event, 44 nfa_ce_sys_disable, 45 NULL 46 }; 47 48 /* NFA_CE actions */ 49 const tNFA_CE_ACTION nfa_ce_action_tbl[] = 50 { 51 nfa_ce_api_cfg_local_tag, /* NFA_CE_API_CFG_LOCAL_TAG_EVT */ 52 nfa_ce_api_reg_listen, /* NFA_CE_API_REG_LISTEN_EVT */ 53 nfa_ce_api_dereg_listen, /* NFA_CE_API_DEREG_LISTEN_EVT */ 54 nfa_ce_api_cfg_isodep_tech, /* NFA_CE_API_CFG_ISODEP_TECH_EVT*/ 55 nfa_ce_activate_ntf, /* NFA_CE_ACTIVATE_NTF_EVT */ 56 nfa_ce_deactivate_ntf, /* NFA_CE_DEACTIVATE_NTF_EVT */ 57 }; 58 #define NFA_CE_ACTION_TBL_SIZE (sizeof (nfa_ce_action_tbl) / sizeof (tNFA_CE_ACTION)) 59 60 /***************************************************************************** 61 ** Local function prototypes 62 *****************************************************************************/ 63 #if (BT_TRACE_VERBOSE == TRUE) 64 static char *nfa_ce_evt_2_str (UINT16 event); 65 #endif 66 67 68 /******************************************************************************* 69 ** 70 ** Function nfa_ce_init 71 ** 72 ** Description Initialize NFA CE 73 ** 74 ** Returns None 75 ** 76 *******************************************************************************/ 77 void nfa_ce_init (void) 78 { 79 NFA_TRACE_DEBUG0 ("nfa_ce_init ()"); 80 81 /* initialize control block */ 82 memset (&nfa_ce_cb, 0, sizeof (tNFA_CE_CB)); 83 84 /* Generate a random NFCID for Type-3 NDEF emulation (Type-3 tag NFCID2 must start with 02:FE) */ 85 nfa_ce_t3t_generate_rand_nfcid (nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].t3t_nfcid2); 86 nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].rf_disc_handle = NFA_HANDLE_INVALID; 87 nfa_ce_cb.isodep_disc_mask = NFA_CE_DEFAULT_ISODEP_DISC_MASK; 88 89 /* register message handler on NFA SYS */ 90 nfa_sys_register ( NFA_ID_CE, &nfa_ce_sys_reg); 91 } 92 93 /******************************************************************************* 94 ** 95 ** Function nfa_ce_sys_disable 96 ** 97 ** Description Clean up ce sub-system 98 ** 99 ** 100 ** Returns void 101 ** 102 *******************************************************************************/ 103 void nfa_ce_sys_disable (void) 104 { 105 tNFA_CE_LISTEN_INFO *p_info; 106 UINT8 xx; 107 108 NFC_SetStaticRfCback (NULL); 109 110 /* Free scratch buf if any */ 111 nfa_ce_free_scratch_buf (); 112 113 /* Delete discovery handles */ 114 for (xx = 0, p_info = nfa_ce_cb.listen_info; xx < NFA_CE_LISTEN_INFO_MAX; xx++, p_info++) 115 { 116 if ((p_info->flags & NFA_CE_LISTEN_INFO_IN_USE) && (p_info->rf_disc_handle != NFA_HANDLE_INVALID)) 117 { 118 nfa_dm_delete_rf_discover (p_info->rf_disc_handle); 119 p_info->rf_disc_handle = NFA_HANDLE_INVALID; 120 } 121 } 122 123 nfa_sys_deregister (NFA_ID_CE); 124 } 125 126 /******************************************************************************* 127 ** 128 ** Function nfa_ce_hdl_event 129 ** 130 ** Description nfa rw main event handling function. 131 ** 132 ** Returns BOOLEAN 133 ** 134 *******************************************************************************/ 135 BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg) 136 { 137 UINT16 act_idx; 138 BOOLEAN freebuf = TRUE; 139 140 #if (BT_TRACE_VERBOSE == TRUE) 141 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); 142 #else 143 NFA_TRACE_EVENT2 ("nfa_ce_handle_event event: 0x%x, flags: %08x",p_msg->event, nfa_ce_cb.flags); 144 #endif 145 146 /* Get NFA_RW sub-event */ 147 if ((act_idx = (p_msg->event & 0x00FF)) < NFA_CE_ACTION_TBL_SIZE) 148 { 149 freebuf = (*nfa_ce_action_tbl[act_idx]) ((tNFA_CE_MSG*) p_msg); 150 } 151 152 /* if vendor specific event handler is registered */ 153 if (nfa_ce_cb.p_vs_evt_hdlr) 154 { 155 (*nfa_ce_cb.p_vs_evt_hdlr) (p_msg); 156 } 157 158 return freebuf; 159 } 160 161 #if (BT_TRACE_VERBOSE == TRUE) 162 /******************************************************************************* 163 ** 164 ** Function nfa_ce_evt_2_str 165 ** 166 ** Description convert nfc evt to string 167 ** 168 *******************************************************************************/ 169 static char *nfa_ce_evt_2_str (UINT16 event) 170 { 171 switch (event) 172 { 173 case NFA_CE_API_CFG_LOCAL_TAG_EVT: 174 return "NFA_CE_API_CFG_LOCAL_TAG_EVT"; 175 176 case NFA_CE_API_REG_LISTEN_EVT: 177 return "NFA_CE_API_REG_LISTEN_EVT"; 178 179 case NFA_CE_API_DEREG_LISTEN_EVT: 180 return "NFA_CE_API_DEREG_LISTEN_EVT"; 181 182 case NFA_CE_API_CFG_ISODEP_TECH_EVT: 183 return "NFA_CE_API_CFG_ISODEP_TECH_EVT"; 184 185 case NFA_CE_ACTIVATE_NTF_EVT: 186 return "NFA_CE_ACTIVATE_NTF_EVT"; 187 188 case NFA_CE_DEACTIVATE_NTF_EVT: 189 return "NFA_CE_DEACTIVATE_NTF_EVT"; 190 191 default: 192 return "Unknown"; 193 } 194 } 195 #endif /* BT_TRACE_VERBOSE */ 196
