1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 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 file contains the Near Field Communication (NFC) Card Emulation 22 * mode related internal function / definitions. 23 * 24 ******************************************************************************/ 25 26 #ifndef CE_INT_H_ 27 #define CE_INT_H_ 28 29 #include "ce_api.h" 30 31 #if (CE_TEST_INCLUDED == FALSE) 32 #define CE_MIN_SUP_PROTO NCI_PROTOCOL_FELICA 33 #define CE_MAX_SUP_PROTO NCI_PROTOCOL_ISO4 34 #else 35 #define CE_MIN_SUP_PROTO NCI_PROTOCOL_TYPE1 36 #define CE_MAX_SUP_PROTO NCI_PROTOCOL_MIFARE 37 #endif 38 39 #define CE_MAX_BYTE_PER_PAGE 7 /* 2^8=256. CB use UINT8 for BytesPerPage, so max is 7 */ 40 41 /* CE Type 3 Tag structures */ 42 43 /* Type 3 Tag NDEF card-emulation */ 44 typedef struct { 45 BOOLEAN initialized; 46 UINT8 version; /* Ver: peer version */ 47 UINT8 nbr; /* NBr: number of blocks that can be read using one Check command */ 48 UINT8 nbw; /* Nbw: number of blocks that can be written using one Update command */ 49 UINT16 nmaxb; /* Nmaxb: maximum number of blocks available for NDEF data */ 50 UINT8 writef; /* WriteFlag: 00h if writing data finished; 0Fh if writing data in progress */ 51 UINT8 rwflag; /* RWFlag: 00h NDEF is read-only; 01h if read/write available */ 52 UINT32 ln; 53 UINT8 *p_buf; /* Current contents for READs */ 54 55 /* Scratch NDEF buffer (for update NDEF commands) */ 56 UINT8 scratch_writef; 57 UINT32 scratch_ln; 58 UINT8 *p_scratch_buf; /* Scratch buffer for WRITE/readback */ 59 } tCE_T3T_NDEF_INFO; 60 61 /* Type 3 Tag current command processing */ 62 typedef struct { 63 UINT16 service_code_list[T3T_MSG_SERVICE_LIST_MAX]; 64 UINT8 *p_block_list_start; 65 UINT8 *p_block_data_start; 66 UINT8 num_services; 67 UINT8 num_blocks; 68 } tCE_T3T_CUR_CMD; 69 70 /* Type 3 Tag control blcok */ 71 typedef struct 72 { 73 UINT8 state; 74 UINT16 system_code; 75 UINT8 local_nfcid2[NCI_RF_F_UID_LEN]; 76 UINT8 local_pmm[NCI_T3T_PMM_LEN]; 77 tCE_T3T_NDEF_INFO ndef_info; 78 tCE_T3T_CUR_CMD cur_cmd; 79 } tCE_T3T_MEM; 80 81 /* CE Type 4 Tag control blocks */ 82 typedef struct 83 { 84 UINT8 aid_len; 85 UINT8 aid[NFC_MAX_AID_LEN]; 86 tCE_CBACK *p_cback; 87 } tCE_T4T_REG_AID; /* registered AID table */ 88 89 typedef struct 90 { 91 TIMER_LIST_ENT timer; /* timeout for update file */ 92 UINT8 cc_file[T4T_FC_TLV_OFFSET_IN_CC + T4T_FILE_CONTROL_TLV_SIZE]; 93 UINT8 *p_ndef_msg; /* storage of NDEF message */ 94 UINT16 nlen; /* current size of NDEF message */ 95 UINT16 max_file_size; /* size of storage + 2 bytes for NLEN */ 96 UINT8 *p_scratch_buf; /* temp storage of NDEF message for update */ 97 98 #define CE_T4T_STATUS_T4T_APP_SELECTED 0x01 /* T4T CE App is selected */ 99 #define CE_T4T_STATUS_REG_AID_SELECTED 0x02 /* Registered AID is selected */ 100 #define CE_T4T_STATUS_CC_FILE_SELECTED 0x04 /* CC file is selected */ 101 #define CE_T4T_STATUS_NDEF_SELECTED 0x08 /* NDEF file is selected */ 102 #define CE_T4T_STATUS_NDEF_FILE_READ_ONLY 0x10 /* NDEF is read-only */ 103 #define CE_T4T_STATUS_NDEF_FILE_UPDATING 0x20 /* NDEF is updating */ 104 #define CE_T4T_STATUS_WILDCARD_AID_SELECTED 0x40 /* Wildcard AID selected */ 105 106 UINT8 status; 107 108 tCE_CBACK *p_wildcard_aid_cback; /* registered wildcard AID callback */ 109 tCE_T4T_REG_AID reg_aid[CE_T4T_MAX_REG_AID]; /* registered AID table */ 110 UINT8 selected_aid_idx; 111 } tCE_T4T_MEM; 112 113 #define CE_T4T_WILDCARD_AID_HANDLE (CE_T4T_MAX_REG_AID) /* reserved handle for wildcard aid */ 114 115 /* CE memory control blocks */ 116 typedef struct 117 { 118 tCE_T3T_MEM t3t; 119 tCE_T4T_MEM t4t; 120 } tCE_MEM; 121 122 /* CE control blocks */ 123 typedef struct 124 { 125 tCE_MEM mem; 126 tCE_CBACK *p_cback; 127 UINT8 *p_ndef; /* the memory starting from NDEF */ 128 UINT16 ndef_max; /* max size of p_ndef */ 129 UINT16 ndef_cur; /* current size of p_ndef */ 130 tNFC_RF_TECH tech; 131 UINT8 trace_level; 132 133 } tCE_CB; 134 135 /* 136 ** CE Type 4 Tag Definition 137 */ 138 139 /* Max data size using a single ReadBinary. 2 bytes are for status bytes */ 140 #define CE_T4T_MAX_LE (NFC_CE_POOL_BUF_SIZE - BT_HDR_SIZE - NCI_MSG_OFFSET_SIZE - NCI_DATA_HDR_SIZE - T4T_RSP_STATUS_WORDS_SIZE) 141 142 /* Max data size using a single UpdateBinary. 6 bytes are for CLA, INS, P1, P2, Lc */ 143 #define CE_T4T_MAX_LC (NFC_CE_POOL_BUF_SIZE - BT_HDR_SIZE - NCI_DATA_HDR_SIZE - T4T_CMD_MAX_HDR_SIZE) 144 145 /***************************************************************************** 146 ** EXTERNAL FUNCTION DECLARATIONS 147 *****************************************************************************/ 148 #ifdef __cplusplus 149 extern "C" { 150 #endif 151 152 /* Global NFC data */ 153 #if NFC_DYNAMIC_MEMORY == FALSE 154 NFC_API extern tCE_CB ce_cb; 155 #else 156 NFC_API extern tCE_CB *ce_cb_ptr; 157 #define ce_cb (*ce_cb_ptr) 158 #endif 159 160 extern void ce_init (void); 161 162 /* ce_t3t internal functions */ 163 void ce_t3t_init (void); 164 tNFC_STATUS ce_select_t3t (UINT16 system_code, UINT8 nfcid2[NCI_RF_F_UID_LEN]); 165 166 /* ce_t4t internal functions */ 167 extern tNFC_STATUS ce_select_t4t (void); 168 extern void ce_t4t_process_timeout (TIMER_LIST_ENT *p_tle); 169 170 #ifdef __cplusplus 171 } 172 #endif 173 174 #endif /* CE_INT_H_ */ 175