1 /****************************************************************************** 2 * 3 * Copyright (C) 2011-2012 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 * This is the main implementation file for the NFA_CE 22 * 23 ******************************************************************************/ 24 #include <string.h> 25 #include "nfa_ce_api.h" 26 #include "nfa_sys.h" 27 #include "nfa_ce_int.h" 28 #include "nfa_dm_int.h" 29 #include "nfa_sys_int.h" 30 31 /* NFA_CE control block */ 32 tNFA_CE_CB nfa_ce_cb; 33 34 /***************************************************************************** 35 ** Constants and types 36 *****************************************************************************/ 37 #define NFA_CE_DEFAULT_ISODEP_DISC_MASK (NFA_DM_DISC_MASK_LA_ISO_DEP | NFA_DM_DISC_MASK_LB_ISO_DEP) 38 39 static const tNFA_SYS_REG nfa_ce_sys_reg = 40 { 41 NULL, 42 nfa_ce_hdl_event, 43 nfa_ce_sys_disable, 44 NULL 45 }; 46 47 /* NFA_CE actions */ 48 const tNFA_CE_ACTION nfa_ce_action_tbl[] = 49 { 50 nfa_ce_api_cfg_local_tag, /* NFA_CE_API_CFG_LOCAL_TAG_EVT */ 51 nfa_ce_api_reg_listen, /* NFA_CE_API_REG_LISTEN_EVT */ 52 nfa_ce_api_dereg_listen, /* NFA_CE_API_DEREG_LISTEN_EVT */ 53 nfa_ce_api_cfg_isodep_tech, /* NFA_CE_API_CFG_ISODEP_TECH_EVT*/ 54 nfa_ce_activate_ntf, /* NFA_CE_ACTIVATE_NTF_EVT */ 55 nfa_ce_deactivate_ntf, /* NFA_CE_DEACTIVATE_NTF_EVT */ 56 }; 57 #define NFA_CE_ACTION_TBL_SIZE (sizeof (nfa_ce_action_tbl) / sizeof (tNFA_CE_ACTION)) 58 59 /***************************************************************************** 60 ** Local function prototypes 61 *****************************************************************************/ 62 #if (BT_TRACE_VERBOSE == TRUE) 63 static char *nfa_ce_evt_2_str (UINT16 event); 64 #endif 65 66 67 /******************************************************************************* 68 ** 69 ** Function nfa_ce_init 70 ** 71 ** Description Initialize NFA CE 72 ** 73 ** Returns None 74 ** 75 *******************************************************************************/ 76 void nfa_ce_init (void) 77 { 78 NFA_TRACE_DEBUG0 ("nfa_ce_init ()"); 79 80 /* initialize control block */ 81 memset (&nfa_ce_cb, 0, sizeof (tNFA_CE_CB)); 82 83 /* Generate a random NFCID for Type-3 NDEF emulation (Type-3 tag NFCID2 must start with 02:FE) */ 84 nfa_ce_t3t_generate_rand_nfcid (nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].t3t_nfcid2); 85 nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].rf_disc_handle = NFA_HANDLE_INVALID; 86 nfa_ce_cb.isodep_disc_mask = NFA_CE_DEFAULT_ISODEP_DISC_MASK; 87 88 /* register message handler on NFA SYS */ 89 nfa_sys_register ( NFA_ID_CE, &nfa_ce_sys_reg); 90 } 91 92 /******************************************************************************* 93 ** 94 ** Function nfa_ce_sys_disable 95 ** 96 ** Description Clean up ce sub-system 97 ** 98 ** 99 ** Returns void 100 ** 101 *******************************************************************************/ 102 void nfa_ce_sys_disable (void) 103 { 104 tNFA_CE_LISTEN_INFO *p_info; 105 UINT8 xx; 106 107 NFC_SetStaticRfCback (NULL); 108 109 /* Free scratch buf if any */ 110 nfa_ce_free_scratch_buf (); 111 112 /* Delete discovery handles */ 113 for (xx = 0, p_info = nfa_ce_cb.listen_info; xx < NFA_CE_LISTEN_INFO_MAX; xx++, p_info++) 114 { 115 if ((p_info->flags & NFA_CE_LISTEN_INFO_IN_USE) && (p_info->rf_disc_handle != NFA_HANDLE_INVALID)) 116 { 117 nfa_dm_delete_rf_discover (p_info->rf_disc_handle); 118 p_info->rf_disc_handle = NFA_HANDLE_INVALID; 119 } 120 } 121 122 nfa_sys_deregister (NFA_ID_CE); 123 } 124 125 /******************************************************************************* 126 ** 127 ** Function nfa_ce_hdl_event 128 ** 129 ** Description nfa rw main event handling function. 130 ** 131 ** Returns BOOLEAN 132 ** 133 *******************************************************************************/ 134 BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg) 135 { 136 UINT16 act_idx; 137 BOOLEAN freebuf = TRUE; 138 139 #if (BT_TRACE_VERBOSE == TRUE) 140 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); 141 #else 142 NFA_TRACE_EVENT2 ("nfa_ce_handle_event event: 0x%x, flags: %08x",p_msg->event, nfa_ce_cb.flags); 143 #endif 144 145 /* Get NFA_RW sub-event */ 146 if ((act_idx = (p_msg->event & 0x00FF)) < NFA_CE_ACTION_TBL_SIZE) 147 { 148 freebuf = (*nfa_ce_action_tbl[act_idx]) ((tNFA_CE_MSG*) p_msg); 149 } 150 151 /* if vendor specific event handler is registered */ 152 if (nfa_ce_cb.p_vs_evt_hdlr) 153 { 154 (*nfa_ce_cb.p_vs_evt_hdlr) (p_msg); 155 } 156 157 return freebuf; 158 } 159 160 #if (BT_TRACE_VERBOSE == TRUE) 161 /******************************************************************************* 162 ** 163 ** Function nfa_ce_evt_2_str 164 ** 165 ** Description convert nfc evt to string 166 ** 167 *******************************************************************************/ 168 static char *nfa_ce_evt_2_str (UINT16 event) 169 { 170 switch (event) 171 { 172 case NFA_CE_API_CFG_LOCAL_TAG_EVT: 173 return "NFA_CE_API_CFG_LOCAL_TAG_EVT"; 174 175 case NFA_CE_API_REG_LISTEN_EVT: 176 return "NFA_CE_API_REG_LISTEN_EVT"; 177 178 case NFA_CE_API_DEREG_LISTEN_EVT: 179 return "NFA_CE_API_DEREG_LISTEN_EVT"; 180 181 case NFA_CE_API_CFG_ISODEP_TECH_EVT: 182 return "NFA_CE_API_CFG_ISODEP_TECH_EVT"; 183 184 case NFA_CE_ACTIVATE_NTF_EVT: 185 return "NFA_CE_ACTIVATE_NTF_EVT"; 186 187 case NFA_CE_DEACTIVATE_NTF_EVT: 188 return "NFA_CE_DEACTIVATE_NTF_EVT"; 189 190 default: 191 return "Unknown"; 192 } 193 } 194 #endif /* BT_TRACE_VERBOSE */ 195
