The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Evan Chu | e9629ba | 2014-01-31 11:18:47 -0500 | [diff] [blame] | 3 | * Copyright (C) 2010-2014 Broadcom Corporation |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 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 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 19 | |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 20 | /****************************************************************************** |
| 21 | * |
| 22 | * This file contains the implementation for Type 3 tag in Reader/Writer |
| 23 | * mode. |
| 24 | * |
| 25 | ******************************************************************************/ |
| 26 | #include <string.h> |
| 27 | #include "nfc_target.h" |
| 28 | #include "bt_types.h" |
| 29 | #include "trace_api.h" |
| 30 | |
| 31 | #include "nfc_api.h" |
| 32 | #include "nfc_int.h" |
| 33 | #include "nci_hmsgs.h" |
| 34 | #include "rw_api.h" |
| 35 | #include "rw_int.h" |
| 36 | #include "tags_int.h" |
| 37 | #include "gki.h" |
| 38 | |
| 39 | /* Definitions for constructing t3t command messages */ |
| 40 | #define RW_T3T_FL_PADDING 0x01 /* Padding needed for last NDEF block */ |
| 41 | #define RW_T3T_MAX_NDEF_BLOCKS_PER_UPDATE_1_BYTE_FORMAT (13) /* Maximum number of NDEF blocks updates that can fit into one command (when all block-numbers are < 256) */ |
| 42 | #define RW_T3T_MAX_NDEF_BLOCKS_PER_UPDATE_2_BYTE_FORMAT (12) /* Maximum number of NDEF blocks updates that can fit into one command (when all block-numbers are >= 256) */ |
| 43 | |
| 44 | /* Definitions for SENSF_RES */ |
| 45 | #define RW_T3T_SENSF_RES_RD_OFFSET 17 /* Offset of RD in SENSF_RES from NCI_POLL NTF (includes 1 byte SENSF_RES length) */ |
| 46 | #define RW_T3T_SENSF_RES_RD_LEN 2 /* Size of RD in SENSF_RES */ |
| 47 | |
| 48 | /* Timeout definitions for commands */ |
| 49 | #define RW_T3T_POLL_CMD_TIMEOUT_TICKS ((RW_T3T_TOUT_RESP*2*QUICK_TIMER_TICKS_PER_SEC) / 1000) |
| 50 | #define RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS ((RW_T3T_TOUT_RESP*QUICK_TIMER_TICKS_PER_SEC) / 1000) |
| 51 | #define RW_T3T_RAW_FRAME_CMD_TIMEOUT_TICKS (RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS * 4) |
Sherry Smith | 67fe610 | 2014-06-02 11:01:54 -0700 | [diff] [blame^] | 52 | #define RW_T3T_MIN_TIMEOUT_TICKS 10 |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 53 | |
| 54 | /* Macro to extract major version from NDEF version byte */ |
| 55 | #define T3T_GET_MAJOR_VERSION(ver) (ver>>4) |
| 56 | |
| 57 | /* Enumeration of API commands */ |
| 58 | enum |
| 59 | { |
| 60 | RW_T3T_CMD_DETECT_NDEF, |
| 61 | RW_T3T_CMD_CHECK_NDEF, |
| 62 | RW_T3T_CMD_UPDATE_NDEF, |
| 63 | RW_T3T_CMD_CHECK, |
| 64 | RW_T3T_CMD_UPDATE, |
| 65 | RW_T3T_CMD_SEND_RAW_FRAME, |
| 66 | RW_T3T_CMD_GET_SYSTEM_CODES, |
| 67 | RW_T3T_CMD_FORMAT, |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 68 | RW_T3T_CMD_SET_READ_ONLY_SOFT, |
| 69 | RW_T3T_CMD_SET_READ_ONLY_HARD, |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 70 | |
| 71 | RW_T3T_CMD_MAX |
| 72 | }; |
| 73 | |
| 74 | /* RW_CBACK events corresponding to API comands */ |
| 75 | const UINT8 rw_t3t_api_res_evt[RW_T3T_CMD_MAX] = |
| 76 | { |
| 77 | RW_T3T_NDEF_DETECT_EVT, /* RW_T3T_CMD_DETECT_NDEF */ |
| 78 | RW_T3T_CHECK_CPLT_EVT, /* RW_T3T_CMD_CHECK_NDEF */ |
| 79 | RW_T3T_UPDATE_CPLT_EVT, /* RW_T3T_CMD_UPDATE_NDEF */ |
| 80 | RW_T3T_CHECK_CPLT_EVT, /* RW_T3T_CMD_CHECK */ |
| 81 | RW_T3T_UPDATE_CPLT_EVT, /* RW_T3T_CMD_UPDATE */ |
| 82 | RW_T3T_RAW_FRAME_EVT, /* RW_T3T_CMD_SEND_RAW_FRAME */ |
| 83 | RW_T3T_GET_SYSTEM_CODES_EVT, /* RW_T3T_CMD_GET_SYSTEM_CODES */ |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 84 | RW_T3T_FORMAT_CPLT_EVT, /* RW_T3T_CMD_FORMAT */ |
| 85 | RW_T3T_SET_READ_ONLY_CPLT_EVT /* RW_T3T_CMD_SET_READ_ONLY */ |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 86 | }; |
| 87 | |
| 88 | /* States */ |
| 89 | enum |
| 90 | { |
| 91 | RW_T3T_STATE_NOT_ACTIVATED, |
| 92 | RW_T3T_STATE_IDLE, |
| 93 | RW_T3T_STATE_COMMAND_PENDING |
| 94 | }; |
| 95 | |
| 96 | /* Sub-states */ |
| 97 | enum |
| 98 | { |
| 99 | /* Sub states for getting system codes */ |
| 100 | RW_T3T_GET_SC_SST_POLL_WILDCARD, /* Waiting for wilcard poll response */ |
| 101 | RW_T3T_GET_SC_SST_POLL_NDEF, /* Waiting for NDEF poll response */ |
| 102 | RW_T3T_GET_SC_SST_REQUEST_SC, /* Waiting for REQUEST_SYSTEM_CODE response */ |
| 103 | |
| 104 | /* Sub states for formatting Felica-Lite */ |
| 105 | RW_T3T_FMT_SST_POLL_FELICA_LITE, /* Waiting for POLL Felica-Lite response (for formatting) */ |
| 106 | RW_T3T_FMT_SST_CHECK_MC_BLK, /* Waiting for Felica-Lite MC (MemoryControl) block-read to complete */ |
| 107 | RW_T3T_FMT_SST_UPDATE_MC_BLK, /* Waiting for Felica-Lite MC (MemoryControl) block-write to complete */ |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 108 | RW_T3T_FMT_SST_UPDATE_NDEF_ATTRIB, /* Waiting for NDEF attribute block-write to complete */ |
| 109 | |
| 110 | /* Sub states for setting Felica-Lite read only */ |
| 111 | RW_T3T_SRO_SST_POLL_FELICA_LITE, /* Waiting for POLL Felica-Lite response (for setting read only) */ |
| 112 | RW_T3T_SRO_SST_UPDATE_NDEF_ATTRIB, /* Waiting for NDEF attribute block-write to complete */ |
| 113 | RW_T3T_SRO_SST_CHECK_MC_BLK, /* Waiting for Felica-Lite MC (MemoryControl) block-read to complete */ |
| 114 | RW_T3T_SRO_SST_UPDATE_MC_BLK /* Waiting for Felica-Lite MC (MemoryControl) block-write to complete */ |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | #if (BT_TRACE_VERBOSE == TRUE) |
| 118 | static char *rw_t3t_cmd_str (UINT8 cmd_id); |
| 119 | static char *rw_t3t_state_str (UINT8 state_id); |
| 120 | #endif |
| 121 | |
| 122 | |
| 123 | /* Local static functions */ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 124 | static void rw_t3t_update_ndef_flag (UINT8 *p_flag); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 125 | static tNFC_STATUS rw_t3t_unselect (UINT8 peer_nfcid2[]); |
| 126 | static BT_HDR *rw_t3t_get_cmd_buf (void); |
| 127 | static tNFC_STATUS rw_t3t_send_to_lower (BT_HDR *p_msg); |
| 128 | static void rw_t3t_handle_get_system_codes_cplt (void); |
| 129 | static void rw_t3t_handle_get_sc_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf); |
| 130 | static void rw_t3t_handle_ndef_detect_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf); |
| 131 | static void rw_t3t_handle_fmt_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf); |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 132 | static void rw_t3t_handle_sro_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 133 | |
| 134 | |
| 135 | /* Default NDEF attribute information block (used when formatting Felica-Lite tags) */ |
| 136 | #define RW_T3T_DEFAULT_FELICALITE_NBR 4 /* NBr (max block reads per cmd)*/ |
| 137 | #define RW_T3T_DEFAULT_FELICALITE_NBW 1 /* NBw (max block write per cmd)*/ |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 138 | #define RW_T3T_DEFAULT_FELICALITE_NMAXB (T3T_FELICALITE_NMAXB) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 139 | #define RW_T3T_DEFAULT_FELICALITE_ATTRIB_INFO_CHECKSUM ((T3T_MSG_NDEF_VERSION + \ |
| 140 | RW_T3T_DEFAULT_FELICALITE_NBR + \ |
| 141 | RW_T3T_DEFAULT_FELICALITE_NBW + \ |
| 142 | (RW_T3T_DEFAULT_FELICALITE_NMAXB>>8) + \ |
| 143 | (RW_T3T_DEFAULT_FELICALITE_NMAXB&0xFF) +\ |
| 144 | T3T_MSG_NDEF_WRITEF_OFF + \ |
| 145 | T3T_MSG_NDEF_RWFLAG_RW) & 0xFFFF) |
| 146 | |
| 147 | const UINT8 rw_t3t_default_attrib_info[T3T_MSG_BLOCKSIZE] = |
| 148 | { |
| 149 | T3T_MSG_NDEF_VERSION, /* Ver */ |
| 150 | RW_T3T_DEFAULT_FELICALITE_NBR, /* NBr (max block reads per cmd)*/ |
| 151 | RW_T3T_DEFAULT_FELICALITE_NBW, /* NBw (max block write per cmd)*/ |
| 152 | (RW_T3T_DEFAULT_FELICALITE_NMAXB>>8), /* Nmaxb (max size in blocks) */ |
| 153 | (RW_T3T_DEFAULT_FELICALITE_NMAXB&0xFF), /* Nmaxb (max size in blocks) */ |
| 154 | 0, 0, 0, 0, /* Unused */ |
| 155 | T3T_MSG_NDEF_WRITEF_OFF, /* WriteF */ |
| 156 | T3T_MSG_NDEF_RWFLAG_RW, /* RW Flag */ |
| 157 | 0, 0, 0, /* Ln (current size in bytes) */ |
| 158 | |
| 159 | (RW_T3T_DEFAULT_FELICALITE_ATTRIB_INFO_CHECKSUM >> 8), /* checksum (high-byte) */ |
| 160 | (RW_T3T_DEFAULT_FELICALITE_ATTRIB_INFO_CHECKSUM & 0xFF) /* checksum (low-byte) */ |
| 161 | |
| 162 | }; |
| 163 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 164 | /* This is (T/t3t * 4^E) , E is the index of the array. The unit is .0001 ms */ |
| 165 | static const UINT32 rw_t3t_mrti_base [] = |
| 166 | { |
| 167 | 302, |
| 168 | 1208, |
| 169 | 4832, |
| 170 | 19328 |
| 171 | }; |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 172 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 173 | |
| 174 | /******************************************************************************* |
| 175 | ** |
| 176 | ** Function rw_t3t_check_timeout |
| 177 | ** |
| 178 | ** Description The timeout value is a + b * number_blocks) |
| 179 | ** |
| 180 | ** Returns timeout value in ticks |
| 181 | ** |
| 182 | *******************************************************************************/ |
| 183 | static UINT32 rw_t3t_check_timeout (UINT16 num_blocks) |
| 184 | { |
| 185 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 186 | UINT32 timeout; |
Sherry Smith | 67fe610 | 2014-06-02 11:01:54 -0700 | [diff] [blame^] | 187 | UINT32 extra; |
| 188 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 189 | timeout = (p_cb->check_tout_a + num_blocks * p_cb->check_tout_b)*QUICK_TIMER_TICKS_PER_SEC/1000000; |
Sherry Smith | 67fe610 | 2014-06-02 11:01:54 -0700 | [diff] [blame^] | 190 | /* allow some extra time for driver */ |
| 191 | extra = (timeout / 10) + RW_T3T_MIN_TIMEOUT_TICKS; |
| 192 | timeout += extra; |
| 193 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 194 | return timeout; |
| 195 | } |
| 196 | |
| 197 | /******************************************************************************* |
| 198 | ** |
| 199 | ** Function rw_t3t_update_timeout |
| 200 | ** |
| 201 | ** Description The timeout value is a + b * number_blocks) |
| 202 | ** |
| 203 | ** Returns timeout value in ticks |
| 204 | ** |
| 205 | *******************************************************************************/ |
| 206 | static UINT32 rw_t3t_update_timeout (UINT16 num_blocks) |
| 207 | { |
| 208 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 209 | UINT32 timeout; |
Sherry Smith | 67fe610 | 2014-06-02 11:01:54 -0700 | [diff] [blame^] | 210 | UINT32 extra; |
| 211 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 212 | timeout = (p_cb->update_tout_a + num_blocks * p_cb->update_tout_b)*QUICK_TIMER_TICKS_PER_SEC/1000000; |
Sherry Smith | 67fe610 | 2014-06-02 11:01:54 -0700 | [diff] [blame^] | 213 | /* allow some extra time for driver */ |
| 214 | extra = (timeout / 10) + RW_T3T_MIN_TIMEOUT_TICKS; |
| 215 | timeout += extra; |
| 216 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 217 | return timeout; |
| 218 | } |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 219 | /******************************************************************************* |
| 220 | ** |
| 221 | ** Function rw_t3t_process_error |
| 222 | ** |
| 223 | ** Description Process error (timeout or CRC error) |
| 224 | ** |
| 225 | ** Returns none |
| 226 | ** |
| 227 | *******************************************************************************/ |
| 228 | void rw_t3t_process_error (tNFC_STATUS status) |
| 229 | { |
| 230 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 231 | UINT8 evt; |
| 232 | tRW_DATA evt_data; |
| 233 | BT_HDR *p_cmd_buf; |
| 234 | |
| 235 | if (p_cb->rw_state == RW_T3T_STATE_COMMAND_PENDING) |
| 236 | { |
| 237 | if (p_cb->cur_cmd == RW_T3T_CMD_GET_SYSTEM_CODES) |
| 238 | { |
| 239 | /* For GetSystemCode: either tag did not respond to requested POLL, or REQUEST_SYSTEM_CODE command */ |
| 240 | rw_t3t_handle_get_system_codes_cplt (); |
| 241 | return; |
| 242 | } |
| 243 | /* Retry sending command if retry-count < max */ |
| 244 | else if (rw_cb.cur_retry < RW_MAX_RETRIES) |
| 245 | { |
| 246 | /* retry sending the command */ |
| 247 | rw_cb.cur_retry++; |
| 248 | |
| 249 | RW_TRACE_DEBUG2 ("T3T retransmission attempt %i of %i", rw_cb.cur_retry, RW_MAX_RETRIES); |
| 250 | |
| 251 | /* allocate a new buffer for message */ |
| 252 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 253 | { |
| 254 | memcpy (p_cmd_buf, p_cb->p_cur_cmd_buf, sizeof (BT_HDR) + p_cb->p_cur_cmd_buf->offset + p_cb->p_cur_cmd_buf->len); |
| 255 | |
| 256 | if (rw_t3t_send_to_lower (p_cmd_buf) == NFC_STATUS_OK) |
| 257 | { |
| 258 | /* Start timer for waiting for response */ |
| 259 | nfc_start_quick_timer (&p_cb->timer, NFC_TTYPE_RW_T3T_RESPONSE, p_cb->cur_tout); |
| 260 | return; |
| 261 | } |
| 262 | else |
| 263 | { |
| 264 | /* failure - could not send buffer */ |
| 265 | GKI_freebuf (p_cmd_buf); |
| 266 | } |
| 267 | } |
| 268 | } |
| 269 | else |
| 270 | { |
| 271 | RW_TRACE_DEBUG1 ("T3T maximum retransmission attempts reached (%i)", RW_MAX_RETRIES); |
| 272 | } |
| 273 | |
| 274 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 275 | /* update failure count */ |
| 276 | rw_main_update_fail_stats (); |
| 277 | #endif /* RW_STATS_INCLUDED */ |
| 278 | |
| 279 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 280 | |
| 281 | /* Notify app of result (if there was a pending command) */ |
| 282 | if (p_cb->cur_cmd < RW_T3T_CMD_MAX) |
| 283 | { |
| 284 | /* If doing presence check, use status=NFC_STATUS_FAILED, otherwise NFC_STATUS_TIMEOUT */ |
| 285 | evt_data.status = status; |
| 286 | evt = rw_t3t_api_res_evt[p_cb->cur_cmd]; |
| 287 | |
| 288 | /* Set additional flags for RW_T3T_NDEF_DETECT_EVT */ |
| 289 | if (evt == RW_T3T_NDEF_DETECT_EVT) |
| 290 | { |
| 291 | evt_data.ndef.flags = RW_NDEF_FL_UNKNOWN; |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 292 | rw_t3t_update_ndef_flag (&evt_data.ndef.flags); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | (*(rw_cb.p_cback)) (evt, &evt_data); |
| 296 | } |
| 297 | } |
| 298 | else |
| 299 | { |
| 300 | evt_data.status = status; |
| 301 | (*(rw_cb.p_cback)) (RW_T3T_INTF_ERROR_EVT, &evt_data); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | /******************************************************************************* |
| 306 | ** |
| 307 | ** Function rw_t3t_start_poll_timer |
| 308 | ** |
| 309 | ** Description Start the timer for T3T POLL Command |
| 310 | ** |
| 311 | ** Returns none |
| 312 | ** |
| 313 | *******************************************************************************/ |
| 314 | void rw_t3t_start_poll_timer (tRW_T3T_CB *p_cb) |
| 315 | { |
| 316 | nfc_start_quick_timer (&p_cb->poll_timer, NFC_TTYPE_RW_T3T_RESPONSE, RW_T3T_POLL_CMD_TIMEOUT_TICKS); |
| 317 | } |
| 318 | |
| 319 | /******************************************************************************* |
| 320 | ** |
| 321 | ** Function rw_t3t_handle_nci_poll_ntf |
| 322 | ** |
| 323 | ** Description Handle NCI_T3T_POLLING_NTF |
| 324 | ** |
| 325 | ** Returns none |
| 326 | ** |
| 327 | *******************************************************************************/ |
| 328 | void rw_t3t_handle_nci_poll_ntf (UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf) |
| 329 | { |
| 330 | tRW_DATA evt_data; |
| 331 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 332 | |
| 333 | /* stop timer for poll response */ |
| 334 | nfc_stop_quick_timer (&p_cb->poll_timer); |
| 335 | |
| 336 | /* Stop t3t timer (if started) */ |
| 337 | if (p_cb->flags & RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP) |
| 338 | { |
| 339 | p_cb->flags &= ~RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP; |
| 340 | evt_data.status = nci_status; |
| 341 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 342 | (*(rw_cb.p_cback)) (RW_T3T_PRESENCE_CHECK_EVT, (tRW_DATA *) &evt_data); |
| 343 | } |
| 344 | else if (p_cb->flags & RW_T3T_FL_W4_GET_SC_POLL_RSP) |
| 345 | { |
| 346 | /* Handle POLL ntf in response to get system codes */ |
| 347 | p_cb->flags &= ~RW_T3T_FL_W4_GET_SC_POLL_RSP; |
| 348 | rw_t3t_handle_get_sc_poll_rsp (p_cb, nci_status, num_responses, sensf_res_buf_size, p_sensf_res_buf); |
| 349 | } |
| 350 | else if (p_cb->flags & RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP) |
| 351 | { |
| 352 | /* Handle POLL ntf in response to get system codes */ |
| 353 | p_cb->flags &= ~RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP; |
| 354 | rw_t3t_handle_fmt_poll_rsp (p_cb, nci_status, num_responses, sensf_res_buf_size, p_sensf_res_buf); |
| 355 | } |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 356 | else if (p_cb->flags & RW_T3T_FL_W4_SRO_FELICA_LITE_POLL_RSP) |
| 357 | { |
| 358 | /* Handle POLL ntf in response to get system codes */ |
| 359 | p_cb->flags &= ~RW_T3T_FL_W4_SRO_FELICA_LITE_POLL_RSP; |
| 360 | rw_t3t_handle_sro_poll_rsp (p_cb, nci_status, num_responses, sensf_res_buf_size, p_sensf_res_buf); |
| 361 | } |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 362 | else if (p_cb->flags & RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP) |
| 363 | { |
| 364 | /* Handle POLL ntf in response to ndef detection */ |
| 365 | p_cb->flags &= ~RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP; |
| 366 | rw_t3t_handle_ndef_detect_poll_rsp (p_cb, nci_status, num_responses, sensf_res_buf_size, p_sensf_res_buf); |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | /* Handle POLL ntf in response to RW_T3tPoll */ |
| 371 | if ((evt_data.t3t_poll.status = nci_status) == NCI_STATUS_OK) |
| 372 | { |
| 373 | evt_data.t3t_poll.rc = p_cb->cur_poll_rc; |
| 374 | evt_data.t3t_poll.response_num = num_responses; |
| 375 | evt_data.t3t_poll.response_bufsize = sensf_res_buf_size; |
| 376 | evt_data.t3t_poll.response_buf = p_sensf_res_buf; |
| 377 | } |
| 378 | |
| 379 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 380 | (*(rw_cb.p_cback)) (RW_T3T_POLL_EVT, &evt_data); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | |
| 385 | /******************************************************************************* |
| 386 | ** |
| 387 | ** Function rw_t3t_handle_get_system_codes_cplt |
| 388 | ** |
| 389 | ** Description Notify upper layer of system codes |
| 390 | ** |
| 391 | ** Returns none |
| 392 | ** |
| 393 | *******************************************************************************/ |
| 394 | void rw_t3t_handle_get_system_codes_cplt (void) |
| 395 | { |
| 396 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 397 | tRW_DATA evt_data; |
| 398 | UINT8 i; |
| 399 | |
| 400 | evt_data.t3t_sc.status = NFC_STATUS_OK; |
| 401 | evt_data.t3t_sc.num_system_codes = p_cb->num_system_codes; |
| 402 | evt_data.t3t_sc.p_system_codes = p_cb->system_codes; |
| 403 | |
| 404 | RW_TRACE_DEBUG1 ("rw_t3t_handle_get_system_codes_cplt, number of systems: %i", evt_data.t3t_sc.num_system_codes); |
| 405 | for (i = 0; i < evt_data.t3t_sc.num_system_codes; i++) |
| 406 | { |
| 407 | RW_TRACE_DEBUG2 (" system %i: %04X", i, evt_data.t3t_sc.p_system_codes[i]); |
| 408 | } |
| 409 | |
| 410 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 411 | (*(rw_cb.p_cback)) (RW_T3T_GET_SYSTEM_CODES_EVT, &evt_data); |
| 412 | |
| 413 | |
| 414 | } |
| 415 | |
| 416 | /******************************************************************************* |
| 417 | ** |
| 418 | ** Function rw_t3t_format_cplt |
| 419 | ** |
| 420 | ** Description Notify upper layer of format complete |
| 421 | ** |
| 422 | ** Returns none |
| 423 | ** |
| 424 | *******************************************************************************/ |
| 425 | void rw_t3t_format_cplt (tNFC_STATUS status) |
| 426 | { |
| 427 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 428 | tRW_DATA evt_data; |
| 429 | |
| 430 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 431 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 432 | /* Update ndef info */ |
| 433 | p_cb->ndef_attrib.status = status; |
| 434 | if (status == NFC_STATUS_OK) |
| 435 | { |
| 436 | p_cb->ndef_attrib.version = T3T_MSG_NDEF_VERSION; |
| 437 | p_cb->ndef_attrib.nbr = RW_T3T_DEFAULT_FELICALITE_NBR; |
| 438 | p_cb->ndef_attrib.nbw = RW_T3T_DEFAULT_FELICALITE_NBW; |
| 439 | p_cb->ndef_attrib.nmaxb = RW_T3T_DEFAULT_FELICALITE_NMAXB; |
| 440 | p_cb->ndef_attrib.writef = T3T_MSG_NDEF_WRITEF_OFF; |
| 441 | p_cb->ndef_attrib.rwflag = T3T_MSG_NDEF_RWFLAG_RW; |
| 442 | p_cb->ndef_attrib.ln = 0; |
| 443 | } |
| 444 | |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 445 | /* Notify upper layer of format complete */ |
| 446 | evt_data.status = status; |
| 447 | (*(rw_cb.p_cback)) (RW_T3T_FORMAT_CPLT_EVT, &evt_data); |
| 448 | } |
| 449 | |
| 450 | /******************************************************************************* |
| 451 | ** |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 452 | ** Function rw_t3t_set_readonly_cplt |
| 453 | ** |
| 454 | ** Description Notify upper layer of set read only complete |
| 455 | ** |
| 456 | ** Returns none |
| 457 | ** |
| 458 | *******************************************************************************/ |
| 459 | void rw_t3t_set_readonly_cplt (tNFC_STATUS status) |
| 460 | { |
| 461 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 462 | tRW_DATA evt_data; |
| 463 | |
| 464 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 465 | |
| 466 | /* Notify upper layer of format complete */ |
| 467 | evt_data.status = status; |
| 468 | (*(rw_cb.p_cback)) (RW_T3T_SET_READ_ONLY_CPLT_EVT, &evt_data); |
| 469 | } |
| 470 | |
| 471 | /******************************************************************************* |
| 472 | ** |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 473 | ** Function rw_t3t_process_timeout |
| 474 | ** |
| 475 | ** Description Process timeout |
| 476 | ** |
| 477 | ** Returns none |
| 478 | ** |
| 479 | *******************************************************************************/ |
| 480 | void rw_t3t_process_timeout (TIMER_LIST_ENT *p_tle) |
| 481 | { |
| 482 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 483 | tRW_DATA evt_data; |
| 484 | |
| 485 | /* Check which timer timed out */ |
| 486 | if (p_tle == &p_cb->timer) |
| 487 | { |
| 488 | /* UPDATE/CHECK response timeout */ |
| 489 | #if (BT_TRACE_VERBOSE == TRUE) |
| 490 | RW_TRACE_ERROR3 ("T3T timeout. state=%s cur_cmd=0x%02X (%s)", rw_t3t_state_str (rw_cb.tcb.t3t.rw_state), rw_cb.tcb.t3t.cur_cmd, rw_t3t_cmd_str (rw_cb.tcb.t3t.cur_cmd)); |
| 491 | #else |
| 492 | RW_TRACE_ERROR2 ("T3T timeout. state=0x%02X cur_cmd=0x%02X", rw_cb.tcb.t3t.rw_state, rw_cb.tcb.t3t.cur_cmd); |
| 493 | #endif |
| 494 | |
| 495 | rw_t3t_process_error (NFC_STATUS_TIMEOUT); |
| 496 | } |
| 497 | else |
| 498 | { |
| 499 | RW_TRACE_ERROR0 ("T3T POLL timeout."); |
| 500 | |
| 501 | /* POLL response timeout */ |
| 502 | if (p_cb->flags & RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP) |
| 503 | { |
| 504 | /* POLL timeout for presence check */ |
| 505 | p_cb->flags &= ~RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP; |
| 506 | evt_data.status = NFC_STATUS_FAILED; |
| 507 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 508 | (*(rw_cb.p_cback)) (RW_T3T_PRESENCE_CHECK_EVT, (tRW_DATA *) &evt_data); |
| 509 | } |
| 510 | else if (p_cb->flags & RW_T3T_FL_W4_GET_SC_POLL_RSP) |
| 511 | { |
| 512 | /* POLL timeout for getting system codes */ |
| 513 | p_cb->flags &= ~RW_T3T_FL_W4_GET_SC_POLL_RSP; |
| 514 | rw_t3t_handle_get_system_codes_cplt (); |
| 515 | } |
| 516 | else if (p_cb->flags & RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP) |
| 517 | { |
| 518 | /* POLL timeout for formatting Felica Lite */ |
| 519 | p_cb->flags &= ~RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP; |
| 520 | RW_TRACE_ERROR0 ("Felica-Lite tag not detected"); |
| 521 | rw_t3t_format_cplt (NFC_STATUS_FAILED); |
| 522 | } |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 523 | else if (p_cb->flags & RW_T3T_FL_W4_SRO_FELICA_LITE_POLL_RSP) |
| 524 | { |
| 525 | /* POLL timeout for configuring Felica Lite read only */ |
| 526 | p_cb->flags &= ~RW_T3T_FL_W4_SRO_FELICA_LITE_POLL_RSP; |
| 527 | RW_TRACE_ERROR0 ("Felica-Lite tag not detected"); |
| 528 | rw_t3t_set_readonly_cplt (NFC_STATUS_FAILED); |
| 529 | } |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 530 | else if (p_cb->flags & RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP) |
| 531 | { |
| 532 | /* POLL timeout for ndef detection */ |
| 533 | p_cb->flags &= ~RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP; |
| 534 | rw_t3t_handle_ndef_detect_poll_rsp (p_cb, NFC_STATUS_TIMEOUT, 0, 0, NULL); |
| 535 | } |
| 536 | else |
| 537 | { |
| 538 | /* Timeout waiting for response for RW_T3tPoll */ |
| 539 | evt_data.t3t_poll.status = NFC_STATUS_FAILED; |
| 540 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 541 | (*(rw_cb.p_cback)) (RW_T3T_POLL_EVT, (tRW_DATA *) &evt_data); |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | |
| 547 | /******************************************************************************* |
| 548 | ** |
| 549 | ** Function rw_t3t_process_frame_error |
| 550 | ** |
| 551 | ** Description Process frame crc error |
| 552 | ** |
| 553 | ** Returns none |
| 554 | ** |
| 555 | *******************************************************************************/ |
| 556 | void rw_t3t_process_frame_error (void) |
| 557 | { |
| 558 | #if (BT_TRACE_VERBOSE == TRUE) |
| 559 | RW_TRACE_ERROR3 ("T3T frame error. state=%s cur_cmd=0x%02X (%s)", rw_t3t_state_str (rw_cb.tcb.t3t.rw_state), rw_cb.tcb.t3t.cur_cmd, rw_t3t_cmd_str (rw_cb.tcb.t3t.cur_cmd)); |
| 560 | #else |
| 561 | RW_TRACE_ERROR2 ("T3T frame error. state=0x%02X cur_cmd=0x%02X", rw_cb.tcb.t3t.rw_state, rw_cb.tcb.t3t.cur_cmd); |
| 562 | #endif |
| 563 | |
| 564 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 565 | /* Update stats */ |
| 566 | rw_main_update_crc_error_stats (); |
| 567 | #endif /* RW_STATS_INCLUDED */ |
| 568 | |
| 569 | /* Process the error */ |
| 570 | rw_t3t_process_error (NFC_STATUS_MSG_CORRUPTED); |
| 571 | } |
| 572 | |
| 573 | /******************************************************************************* |
| 574 | ** |
| 575 | ** Function rw_t3t_send_to_lower |
| 576 | ** |
| 577 | ** Description Send command to lower layer |
| 578 | ** |
| 579 | ** Returns status of the send |
| 580 | ** |
| 581 | *******************************************************************************/ |
| 582 | tNFC_STATUS rw_t3t_send_to_lower (BT_HDR *p_msg) |
| 583 | { |
| 584 | UINT8 *p; |
| 585 | |
| 586 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 587 | BOOLEAN is_retry; |
| 588 | /* Update stats */ |
| 589 | rw_main_update_tx_stats (p_msg->len, ((rw_cb.cur_retry==0) ? FALSE : TRUE)); |
| 590 | #endif /* RW_STATS_INCLUDED */ |
| 591 | |
| 592 | /* Set NFC-F SoD field (payload len + 1) */ |
| 593 | p_msg->offset -= 1; /* Point to SoD field */ |
| 594 | p = (UINT8 *) (p_msg+1) + p_msg->offset; |
| 595 | UINT8_TO_STREAM (p, (p_msg->len+1)); |
| 596 | p_msg->len += 1; /* Increment len to include SoD */ |
| 597 | |
| 598 | #if (BT_TRACE_PROTOCOL == TRUE) |
| 599 | DispT3TagMessage (p_msg, FALSE); |
| 600 | #endif |
| 601 | |
| 602 | return (NFC_SendData (NFC_RF_CONN_ID, p_msg)); |
| 603 | } |
| 604 | |
| 605 | /***************************************************************************** |
| 606 | ** |
| 607 | ** Function rw_t3t_get_cmd_buf |
| 608 | ** |
| 609 | ** Description Get a buffer for sending T3T messages |
| 610 | ** |
| 611 | ** Returns BT_HDR * |
| 612 | ** |
| 613 | *****************************************************************************/ |
| 614 | BT_HDR *rw_t3t_get_cmd_buf (void) |
| 615 | { |
| 616 | BT_HDR *p_cmd_buf; |
| 617 | |
| 618 | if ((p_cmd_buf = (BT_HDR *) GKI_getpoolbuf (NFC_RW_POOL_ID)) != NULL) |
| 619 | { |
| 620 | /* Reserve offset for NCI_DATA_HDR and NFC-F Sod (LEN) field */ |
| 621 | p_cmd_buf->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + 1; |
| 622 | p_cmd_buf->len = 0; |
| 623 | } |
| 624 | |
| 625 | return (p_cmd_buf); |
| 626 | } |
| 627 | |
| 628 | /***************************************************************************** |
| 629 | ** |
| 630 | ** Function rw_t3t_send_cmd |
| 631 | ** |
| 632 | ** Description Send command to tag, and start timer for response |
| 633 | ** |
| 634 | ** Returns tNFC_STATUS |
| 635 | ** |
| 636 | *****************************************************************************/ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 637 | tNFC_STATUS rw_t3t_send_cmd (tRW_T3T_CB *p_cb, UINT8 rw_t3t_cmd, BT_HDR *p_cmd_buf, UINT32 timeout_ticks) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 638 | { |
| 639 | tNFC_STATUS retval; |
| 640 | |
| 641 | /* Indicate first attempt to send command, back up cmd buffer in case needed for retransmission */ |
| 642 | rw_cb.cur_retry = 0; |
| 643 | memcpy (p_cb->p_cur_cmd_buf, p_cmd_buf, sizeof (BT_HDR) + p_cmd_buf->offset + p_cmd_buf->len); |
| 644 | |
| 645 | p_cb->cur_cmd = rw_t3t_cmd; |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 646 | p_cb->cur_tout = timeout_ticks; |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 647 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 648 | |
| 649 | if ((retval = rw_t3t_send_to_lower (p_cmd_buf)) == NFC_STATUS_OK) |
| 650 | { |
| 651 | /* Start timer for waiting for response */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 652 | nfc_start_quick_timer (&p_cb->timer, NFC_TTYPE_RW_T3T_RESPONSE, timeout_ticks); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 653 | } |
| 654 | else |
| 655 | { |
| 656 | /* Error sending */ |
| 657 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 658 | } |
| 659 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 660 | RW_TRACE_DEBUG3 ("rw_t3t_send_cmd: cur_tout: %d, timeout_ticks: %d ret:%d",p_cb->cur_tout, timeout_ticks, retval); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 661 | return (retval); |
| 662 | } |
| 663 | |
| 664 | /***************************************************************************** |
| 665 | ** |
| 666 | ** Function rw_t3t_send_update_ndef_attribute_cmd |
| 667 | ** |
| 668 | ** Description Send UPDATE command for Attribute Information |
| 669 | ** |
| 670 | ** Returns tNFC_STATUS |
| 671 | ** |
| 672 | *****************************************************************************/ |
| 673 | tNFC_STATUS rw_t3t_send_update_ndef_attribute_cmd (tRW_T3T_CB *p_cb, BOOLEAN write_in_progress) |
| 674 | { |
| 675 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 676 | BT_HDR *p_cmd_buf; |
| 677 | UINT8 *p_cmd_start, *p; |
| 678 | UINT16 checksum, i; |
| 679 | UINT8 write_f; |
| 680 | UINT32 ln; |
| 681 | UINT8 *p_ndef_attr_info_start; |
| 682 | |
| 683 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 684 | { |
| 685 | /* Construct T3T message */ |
| 686 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 687 | |
| 688 | /* Add UPDATE opcode to message */ |
| 689 | UINT8_TO_STREAM (p, T3T_MSG_OPC_UPDATE_CMD); |
| 690 | |
| 691 | /* Add IDm to message */ |
| 692 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 693 | |
| 694 | /* Add Service code list */ |
| 695 | UINT8_TO_STREAM (p, 1); /* Number of services (only 1 service: NDEF) */ |
| 696 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RW); /* Service code (little-endian format) */ |
| 697 | |
| 698 | /* Add number of blocks in this UPDATE command */ |
| 699 | UINT8_TO_STREAM (p, 1); /* Number of blocks to write in this command */ |
| 700 | |
| 701 | /* Block List element: the NDEF attribute information block (block 0) */ |
| 702 | UINT8_TO_STREAM (p, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); |
| 703 | UINT8_TO_STREAM (p, 0); |
| 704 | |
| 705 | /* Add payload (Attribute information block) */ |
| 706 | p_ndef_attr_info_start = p; /* Save start of a NDEF attribute info block for checksum */ |
| 707 | UINT8_TO_STREAM (p, T3T_MSG_NDEF_VERSION); |
| 708 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.nbr); |
| 709 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.nbw); |
| 710 | UINT16_TO_BE_STREAM (p, p_cb->ndef_attrib.nmaxb); |
| 711 | UINT32_TO_STREAM (p, 0); |
| 712 | |
| 713 | /* If starting NDEF write: set WriteF=ON, and ln=current ndef length */ |
| 714 | if (write_in_progress) |
| 715 | { |
| 716 | write_f = T3T_MSG_NDEF_WRITEF_ON; |
| 717 | ln = p_cb->ndef_attrib.ln; |
| 718 | } |
| 719 | /* If finishing NDEF write: set WriteF=OFF, and ln=new ndef len */ |
| 720 | else |
| 721 | { |
| 722 | write_f = T3T_MSG_NDEF_WRITEF_OFF; |
| 723 | ln = p_cb->ndef_msg_len; |
| 724 | } |
| 725 | UINT8_TO_STREAM (p, write_f); |
| 726 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.rwflag); |
| 727 | UINT8_TO_STREAM (p, (ln>>16) & 0xFF); /* High byte (of 3) of Ln */ |
| 728 | UINT8_TO_STREAM (p, (ln>>8) & 0xFF); /* Middle byte (of 3) of Ln */ |
| 729 | UINT8_TO_STREAM (p, (ln) & 0xFF); /* Low byte (of 3) of Ln */ |
| 730 | |
| 731 | /* Calculate and append Checksum */ |
| 732 | checksum = 0; |
| 733 | for (i = 0; i < T3T_MSG_NDEF_ATTR_INFO_SIZE; i++) |
| 734 | { |
| 735 | checksum+=p_ndef_attr_info_start[i]; |
| 736 | } |
| 737 | UINT16_TO_BE_STREAM (p, checksum); |
| 738 | |
| 739 | |
| 740 | /* Calculate length of message */ |
| 741 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 742 | |
| 743 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 744 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_UPDATE_NDEF, p_cmd_buf, rw_t3t_update_timeout(1)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 745 | } |
| 746 | else |
| 747 | { |
| 748 | retval = NFC_STATUS_NO_BUFFERS; |
| 749 | } |
| 750 | |
| 751 | return (retval); |
| 752 | } |
| 753 | |
| 754 | /***************************************************************************** |
| 755 | ** |
| 756 | ** Function rw_t3t_send_next_ndef_update_cmd |
| 757 | ** |
| 758 | ** Description Send next segment of NDEF message to update |
| 759 | ** |
| 760 | ** Returns tNFC_STATUS |
| 761 | ** |
| 762 | *****************************************************************************/ |
| 763 | tNFC_STATUS rw_t3t_send_next_ndef_update_cmd (tRW_T3T_CB *p_cb) |
| 764 | { |
| 765 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 766 | UINT16 block_id; |
| 767 | UINT16 first_block_to_write; |
| 768 | UINT16 ndef_blocks_to_write, ndef_blocks_remaining; |
| 769 | UINT32 ndef_bytes_remaining, ndef_padding = 0; |
| 770 | UINT8 flags = 0; |
| 771 | UINT8 *p_cur_ndef_src_offset; |
| 772 | BT_HDR *p_cmd_buf; |
| 773 | UINT8 *p_cmd_start, *p; |
| 774 | UINT8 blocks_per_update; |
| 775 | UINT32 timeout; |
| 776 | |
| 777 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 778 | { |
| 779 | /* Construct T3T message */ |
| 780 | p = p_cmd_start = (UINT8 *) (p_cmd_buf + 1) + p_cmd_buf->offset; |
| 781 | |
| 782 | /* Calculate number of ndef bytes remaining to write */ |
| 783 | ndef_bytes_remaining = p_cb->ndef_msg_len - p_cb->ndef_msg_bytes_sent; |
| 784 | |
| 785 | /* Calculate number of blocks remaining to write */ |
| 786 | ndef_blocks_remaining = (UINT16) ((ndef_bytes_remaining+15) >> 4); /* ndef blocks remaining (rounded upward) */ |
| 787 | |
| 788 | /* Calculate first NDEF block ID for this UPDATE command */ |
| 789 | first_block_to_write = (UINT16) ((p_cb->ndef_msg_bytes_sent >> 4) + 1); |
| 790 | |
| 791 | /* Calculate max number of blocks per write. */ |
| 792 | if ((first_block_to_write + RW_T3T_MAX_NDEF_BLOCKS_PER_UPDATE_1_BYTE_FORMAT) < 0x100) |
| 793 | { |
| 794 | /* All block-numbers are < 0x100 (i.e. can be specified using one-byte format) */ |
| 795 | blocks_per_update = RW_T3T_MAX_NDEF_BLOCKS_PER_UPDATE_1_BYTE_FORMAT; |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | /* Block-numbers are >= 0x100 (i.e. need to be specified using two-byte format) */ |
| 800 | blocks_per_update = RW_T3T_MAX_NDEF_BLOCKS_PER_UPDATE_2_BYTE_FORMAT; |
| 801 | } |
| 802 | |
| 803 | /* Check if blocks_per_update is bigger than what peer allows */ |
| 804 | if (blocks_per_update > p_cb->ndef_attrib.nbw) |
| 805 | blocks_per_update = p_cb->ndef_attrib.nbw; |
| 806 | |
| 807 | /* Check if remaining blocks can fit into one UPDATE command */ |
| 808 | if (ndef_blocks_remaining <= blocks_per_update) |
| 809 | { |
| 810 | /* remaining blocks can fit into one UPDATE command */ |
| 811 | ndef_blocks_to_write = ndef_blocks_remaining; |
| 812 | } |
| 813 | else |
| 814 | { |
| 815 | /* Remaining blocks cannot fit into one UPDATE command */ |
| 816 | ndef_blocks_to_write = blocks_per_update; |
| 817 | } |
| 818 | |
| 819 | |
| 820 | /* Write to command header for UPDATE */ |
| 821 | |
| 822 | /* Add UPDATE opcode to message */ |
| 823 | UINT8_TO_STREAM (p, T3T_MSG_OPC_UPDATE_CMD); |
| 824 | |
| 825 | /* Add IDm to message */ |
| 826 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 827 | |
| 828 | /* Add Service code list */ |
| 829 | UINT8_TO_STREAM (p, 1); /* Number of services (only 1 service: NDEF) */ |
| 830 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RW); /* Service code (little-endian format) */ |
| 831 | |
| 832 | |
| 833 | /* Add number of blocks in this UPDATE command */ |
| 834 | UINT8_TO_STREAM (p, ndef_blocks_to_write); /* Number of blocks to write in this command */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 835 | timeout = rw_t3t_update_timeout(ndef_blocks_to_write); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 836 | |
| 837 | for (block_id = first_block_to_write; block_id < (first_block_to_write + ndef_blocks_to_write); block_id++) |
| 838 | { |
| 839 | if (block_id<256) |
| 840 | { |
| 841 | /* Block IDs 0-255 can be specified in '2-byte' format: byte0=0, byte1=blocknumber */ |
| 842 | UINT8_TO_STREAM (p, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); /* byte0: len=1; access-mode=0; service code list order=0 */ |
| 843 | UINT8_TO_STREAM (p, block_id); /* byte1: block number */ |
| 844 | } |
| 845 | else |
| 846 | { |
| 847 | /* Block IDs 256+ must be specified in '3-byte' format: byte0=80h, followed by blocknumber */ |
| 848 | UINT8_TO_STREAM (p, 0x00); /* byte0: len=0; access-mode=0; service code list order=0 */ |
| 849 | UINT16_TO_STREAM (p, block_id); /* byte1-2: block number in little-endian format */ |
| 850 | } |
| 851 | |
| 852 | } |
| 853 | |
| 854 | /* Add NDEF payload */ |
| 855 | |
| 856 | /* If this sending last block of NDEF, check if padding is needed to make payload a multiple of 16 bytes */ |
| 857 | if (ndef_blocks_to_write == ndef_blocks_remaining) |
| 858 | { |
| 859 | ndef_padding = (16 - (ndef_bytes_remaining & 0x0F)) & 0x0F; |
| 860 | if (ndef_padding) |
| 861 | { |
| 862 | flags |= RW_T3T_FL_PADDING; |
| 863 | ndef_blocks_to_write--; /* handle the last block separately if it needs padding */ |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | /* Add NDEF payload to the message */ |
| 868 | p_cur_ndef_src_offset = &p_cb->ndef_msg[p_cb->ndef_msg_bytes_sent]; |
| 869 | |
| 870 | |
| 871 | ARRAY_TO_STREAM (p, p_cur_ndef_src_offset, (ndef_blocks_to_write * 16)); |
| 872 | p_cb->ndef_msg_bytes_sent += ((UINT32) ndef_blocks_to_write * 16); |
| 873 | |
| 874 | if (flags & RW_T3T_FL_PADDING) |
| 875 | { |
| 876 | /* Add last of the NDEF message */ |
| 877 | p_cur_ndef_src_offset = &p_cb->ndef_msg[p_cb->ndef_msg_bytes_sent]; |
| 878 | ARRAY_TO_STREAM (p, p_cur_ndef_src_offset, (int) (16-ndef_padding)); |
| 879 | p_cb->ndef_msg_bytes_sent += (16-ndef_padding); |
| 880 | |
| 881 | /* Add padding */ |
| 882 | memset (p, 0, ndef_padding); |
| 883 | p+=ndef_padding; |
| 884 | } |
| 885 | |
| 886 | /* Calculate length of message */ |
| 887 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 888 | |
| 889 | /* Send the T3T message */ |
| 890 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_UPDATE_NDEF, p_cmd_buf, timeout); |
| 891 | } |
| 892 | else |
| 893 | { |
| 894 | retval = NFC_STATUS_NO_BUFFERS; |
| 895 | } |
| 896 | |
| 897 | return (retval); |
| 898 | } |
| 899 | |
| 900 | |
| 901 | |
| 902 | /***************************************************************************** |
| 903 | ** |
| 904 | ** Function rw_t3t_send_next_ndef_check_cmd |
| 905 | ** |
| 906 | ** Description Send command for reading next segment of NDEF message |
| 907 | ** |
| 908 | ** Returns tNFC_STATUS |
| 909 | ** |
| 910 | *****************************************************************************/ |
| 911 | tNFC_STATUS rw_t3t_send_next_ndef_check_cmd (tRW_T3T_CB *p_cb) |
| 912 | { |
| 913 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 914 | UINT16 block_id; |
| 915 | UINT16 ndef_blocks_remaining, first_block_to_read, cur_blocks_to_read; |
| 916 | UINT32 ndef_bytes_remaining; |
| 917 | BT_HDR *p_cmd_buf; |
| 918 | UINT8 *p_cmd_start, *p; |
| 919 | |
| 920 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 921 | { |
| 922 | /* Construct T3T message */ |
| 923 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 924 | |
| 925 | /* Calculate number of ndef bytes remaining to read */ |
| 926 | ndef_bytes_remaining = p_cb->ndef_attrib.ln - p_cb->ndef_rx_offset; |
| 927 | |
| 928 | /* Calculate number of blocks remaining to read */ |
| 929 | ndef_blocks_remaining = (UINT16) ((ndef_bytes_remaining+15) >> 4); /* ndef blocks remaining (rounded upward) */ |
| 930 | |
| 931 | /* Calculate first NDEF block ID */ |
| 932 | first_block_to_read = (UINT16) ((p_cb->ndef_rx_offset >> 4) + 1); |
| 933 | |
| 934 | /* Check if remaining blocks can fit into one CHECK command */ |
| 935 | if (ndef_blocks_remaining <= p_cb->ndef_attrib.nbr) |
| 936 | { |
| 937 | /* remaining blocks can fit into one CHECK command */ |
| 938 | cur_blocks_to_read = ndef_blocks_remaining; |
| 939 | p_cb->ndef_rx_readlen = ndef_bytes_remaining; |
| 940 | p_cb->flags |= RW_T3T_FL_IS_FINAL_NDEF_SEGMENT; |
| 941 | } |
| 942 | else |
| 943 | { |
| 944 | /* Remaining blocks cannot fit into one CHECK command */ |
| 945 | cur_blocks_to_read = p_cb->ndef_attrib.nbr; /* Read maximum number of blocks allowed by the peer */ |
| 946 | p_cb->ndef_rx_readlen = ((UINT32) p_cb->ndef_attrib.nbr * 16); |
| 947 | } |
| 948 | |
| 949 | RW_TRACE_DEBUG3 ("rw_t3t_send_next_ndef_check_cmd: bytes_remaining: %i, cur_blocks_to_read: %i, is_final: %i", |
| 950 | ndef_bytes_remaining, cur_blocks_to_read, (p_cb->flags & RW_T3T_FL_IS_FINAL_NDEF_SEGMENT)); |
| 951 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 952 | /* Add CHECK opcode to message */ |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 953 | UINT8_TO_STREAM (p, T3T_MSG_OPC_CHECK_CMD); |
| 954 | |
| 955 | /* Add IDm to message */ |
| 956 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 957 | |
| 958 | /* Add Service code list */ |
| 959 | UINT8_TO_STREAM (p, 1); /* Number of services (only 1 service: NDEF) */ |
| 960 | |
| 961 | /* Service code (little-endian format) . If NDEF is read-only, then use T3T_MSG_NDEF_SC_RO, otherwise use T3T_MSG_NDEF_SC_RW */ |
| 962 | if (p_cb->ndef_attrib.rwflag == T3T_MSG_NDEF_RWFLAG_RO) |
| 963 | { |
| 964 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RO); |
| 965 | } |
| 966 | else |
| 967 | { |
| 968 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RW); |
| 969 | } |
| 970 | |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 971 | /* Add number of blocks in this CHECK command */ |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 972 | UINT8_TO_STREAM (p, cur_blocks_to_read); /* Number of blocks to check in this command */ |
| 973 | |
| 974 | for (block_id = first_block_to_read; block_id < (first_block_to_read + cur_blocks_to_read); block_id++) |
| 975 | { |
| 976 | if (block_id<256) |
| 977 | { |
| 978 | /* Block IDs 0-255 can be specified in '2-byte' format: byte0=0, byte1=blocknumber */ |
| 979 | UINT8_TO_STREAM (p, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); /* byte1: len=0; access-mode=0; service code list order=0 */ |
| 980 | UINT8_TO_STREAM (p, block_id); /* byte1: block number */ |
| 981 | } |
| 982 | else |
| 983 | { |
| 984 | /* Block IDs 256+ must be specified in '3-byte' format: byte0=80h, followed by blocknumber */ |
| 985 | UINT8_TO_STREAM (p, 0x00); /* byte0: len=1; access-mode=0; service code list order=0 */ |
| 986 | UINT16_TO_STREAM (p, block_id); /* byte1-2: block number in little-endian format */ |
| 987 | } |
| 988 | |
| 989 | } |
| 990 | |
| 991 | /* Calculate length of message */ |
| 992 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 993 | |
| 994 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 995 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_CHECK_NDEF, p_cmd_buf, rw_t3t_check_timeout (cur_blocks_to_read)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 996 | } |
| 997 | else |
| 998 | { |
| 999 | retval = NFC_STATUS_NO_BUFFERS; |
| 1000 | } |
| 1001 | |
| 1002 | return(retval); |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | /***************************************************************************** |
| 1007 | ** |
| 1008 | ** Function rw_t3t_message_set_block_list |
| 1009 | ** |
| 1010 | ** Description Add block list to T3T message |
| 1011 | ** |
| 1012 | ** Returns Number of bytes added to message |
| 1013 | ** |
| 1014 | *****************************************************************************/ |
| 1015 | void rw_t3t_message_set_block_list (tRW_T3T_CB *p_cb, UINT8 **p, UINT8 num_blocks, tT3T_BLOCK_DESC *p_t3t_blocks) |
| 1016 | { |
| 1017 | UINT16 i, cur_service_code; |
| 1018 | UINT8 service_code_idx, num_services = 0; |
| 1019 | UINT8 *p_msg_num_services; |
| 1020 | UINT16 service_list[T3T_MSG_SERVICE_LIST_MAX]; |
| 1021 | |
| 1022 | /* Add CHECK or UPDATE opcode to message */ |
| 1023 | UINT8_TO_STREAM ((*p), ((p_cb->cur_cmd == RW_T3T_CMD_CHECK) ? T3T_MSG_OPC_CHECK_CMD:T3T_MSG_OPC_UPDATE_CMD)); |
| 1024 | |
| 1025 | /* Add IDm to message */ |
| 1026 | ARRAY_TO_STREAM ((*p), p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 1027 | |
| 1028 | /* Skip over Number of Services field */ |
| 1029 | p_msg_num_services = (*p); /* pointer to Number of Services offset */ |
| 1030 | (*p)++; |
| 1031 | |
| 1032 | /* Count number of different services are specified in the list, and add services to Service Code list */ |
| 1033 | for (i = 0; i < num_blocks; i++) |
| 1034 | { |
| 1035 | cur_service_code = p_t3t_blocks[i].service_code; |
| 1036 | |
| 1037 | /* Check if current service_code is already in the service_list */ |
| 1038 | for (service_code_idx=0; service_code_idx<num_services; service_code_idx++) |
| 1039 | { |
| 1040 | if (service_list[service_code_idx] == cur_service_code) |
| 1041 | break; |
| 1042 | } |
| 1043 | |
| 1044 | if (service_code_idx == num_services) |
| 1045 | { |
| 1046 | /* Service not in the list yet. Add it. */ |
| 1047 | service_list[service_code_idx] = cur_service_code; |
| 1048 | num_services++; |
| 1049 | |
| 1050 | /* Add service code to T3T message */ |
| 1051 | UINT16_TO_STREAM ((*p), cur_service_code); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | /* Add 'Number of Sservices' to the message */ |
| 1056 | *p_msg_num_services = num_services; |
| 1057 | |
| 1058 | /* Add 'number of blocks' to the message */ |
| 1059 | UINT8_TO_STREAM ((*p), num_blocks); |
| 1060 | |
| 1061 | /* Add block descriptors */ |
| 1062 | for (i = 0; i < num_blocks; i++) |
| 1063 | { |
| 1064 | cur_service_code = p_t3t_blocks[i].service_code; |
| 1065 | |
| 1066 | /* Check if current service_code is already in the service_list */ |
| 1067 | for (service_code_idx=0; service_code_idx<num_services; service_code_idx++) |
| 1068 | { |
| 1069 | if (service_list[service_code_idx] == cur_service_code) |
| 1070 | break; |
| 1071 | } |
| 1072 | |
| 1073 | /* Add decriptor to T3T message */ |
| 1074 | if (p_t3t_blocks[i].block_number > 0xFF) |
| 1075 | { |
| 1076 | UINT8_TO_STREAM ((*p), service_code_idx); |
| 1077 | UINT16_TO_STREAM ((*p), p_t3t_blocks[i].block_number); |
| 1078 | } |
| 1079 | else |
| 1080 | { |
| 1081 | service_code_idx |= T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT; |
| 1082 | UINT8_TO_STREAM ((*p), service_code_idx); |
| 1083 | UINT8_TO_STREAM ((*p), p_t3t_blocks[i].block_number); |
| 1084 | } |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | /***************************************************************************** |
| 1089 | ** |
| 1090 | ** Function rw_t3t_send_check_cmd |
| 1091 | ** |
| 1092 | ** Description Send CHECK command |
| 1093 | ** |
| 1094 | ** Returns tNFC_STATUS |
| 1095 | ** |
| 1096 | *****************************************************************************/ |
| 1097 | tNFC_STATUS rw_t3t_send_check_cmd (tRW_T3T_CB *p_cb, UINT8 num_blocks, tT3T_BLOCK_DESC *p_t3t_blocks) |
| 1098 | { |
| 1099 | BT_HDR *p_cmd_buf; |
| 1100 | UINT8 *p, *p_cmd_start; |
| 1101 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 1102 | |
| 1103 | p_cb->cur_cmd = RW_T3T_CMD_CHECK; |
| 1104 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1105 | { |
| 1106 | /* Construct T3T message */ |
| 1107 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1108 | rw_t3t_message_set_block_list (p_cb, &p, num_blocks, p_t3t_blocks); |
| 1109 | |
| 1110 | /* Calculate length of message */ |
| 1111 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 1112 | |
| 1113 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 1114 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_CHECK, p_cmd_buf, rw_t3t_check_timeout(num_blocks)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1115 | } |
| 1116 | else |
| 1117 | { |
| 1118 | retval = NFC_STATUS_NO_BUFFERS; |
| 1119 | } |
| 1120 | |
| 1121 | return(retval); |
| 1122 | } |
| 1123 | |
| 1124 | /***************************************************************************** |
| 1125 | ** |
| 1126 | ** Function rw_t3t_send_update_cmd |
| 1127 | ** |
| 1128 | ** Description Send UPDATE command |
| 1129 | ** |
| 1130 | ** Returns tNFC_STATUS |
| 1131 | ** |
| 1132 | *****************************************************************************/ |
| 1133 | tNFC_STATUS rw_t3t_send_update_cmd (tRW_T3T_CB *p_cb, UINT8 num_blocks, tT3T_BLOCK_DESC *p_t3t_blocks, UINT8 *p_data) |
| 1134 | { |
| 1135 | BT_HDR *p_cmd_buf; |
| 1136 | UINT8 *p, *p_cmd_start; |
| 1137 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 1138 | |
| 1139 | p_cb->cur_cmd = RW_T3T_CMD_UPDATE; |
| 1140 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1141 | { |
| 1142 | /* Construct T3T message */ |
| 1143 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1144 | rw_t3t_message_set_block_list (p_cb, &p, num_blocks, p_t3t_blocks); |
| 1145 | |
| 1146 | /* Add data blocks to the message */ |
| 1147 | ARRAY_TO_STREAM (p, p_data, num_blocks*16); |
| 1148 | |
| 1149 | /* Calculate length of message */ |
| 1150 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 1151 | |
| 1152 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 1153 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_UPDATE, p_cmd_buf, rw_t3t_update_timeout(num_blocks)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1154 | } |
| 1155 | else |
| 1156 | { |
| 1157 | retval = NFC_STATUS_NO_BUFFERS; |
| 1158 | } |
| 1159 | |
| 1160 | return(retval); |
| 1161 | } |
| 1162 | |
| 1163 | /***************************************************************************** |
| 1164 | ** |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1165 | ** Function rw_t3t_check_mc_block |
| 1166 | ** |
| 1167 | ** Description Send command to check Memory Configuration Block |
| 1168 | ** |
| 1169 | ** Returns tNFC_STATUS |
| 1170 | ** |
| 1171 | *****************************************************************************/ |
| 1172 | tNFC_STATUS rw_t3t_check_mc_block (tRW_T3T_CB *p_cb) |
| 1173 | { |
| 1174 | BT_HDR *p_cmd_buf; |
| 1175 | UINT8 *p, *p_cmd_start; |
| 1176 | |
| 1177 | /* Read Memory Configuration block */ |
| 1178 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1179 | { |
| 1180 | /* Construct T3T message */ |
| 1181 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1182 | |
| 1183 | /* Add CHECK opcode to message */ |
| 1184 | UINT8_TO_STREAM (p, T3T_MSG_OPC_CHECK_CMD); |
| 1185 | |
| 1186 | /* Add IDm to message */ |
| 1187 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 1188 | |
| 1189 | /* Add Service code list */ |
| 1190 | UINT8_TO_STREAM (p, 1); /* Number of services (only 1 service: NDEF) */ |
| 1191 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RO); /* Service code (little-endian format) */ |
| 1192 | |
| 1193 | /* Number of blocks */ |
| 1194 | UINT8_TO_STREAM (p, 1); /* Number of blocks (only 1 block: Memory Configuration Information ) */ |
| 1195 | |
| 1196 | /* Block List element: the Memory Configuration block (block 0x88) */ |
| 1197 | UINT8_TO_STREAM (p, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); |
| 1198 | UINT8_TO_STREAM (p, T3T_MSG_FELICALITE_BLOCK_ID_MC); |
| 1199 | |
| 1200 | /* Calculate length of message */ |
| 1201 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 1202 | |
| 1203 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 1204 | return rw_t3t_send_cmd (p_cb, p_cb->cur_cmd, p_cmd_buf, rw_t3t_check_timeout(1)); |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1205 | } |
| 1206 | else |
| 1207 | { |
| 1208 | RW_TRACE_ERROR0 ("Unable to allocate buffer to read MC block"); |
| 1209 | return (NFC_STATUS_NO_BUFFERS); |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | /***************************************************************************** |
| 1214 | ** |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1215 | ** Function rw_t3t_send_raw_frame |
| 1216 | ** |
| 1217 | ** Description Send raw frame |
| 1218 | ** |
| 1219 | ** Returns tNFC_STATUS |
| 1220 | ** |
| 1221 | *****************************************************************************/ |
| 1222 | tNFC_STATUS rw_t3t_send_raw_frame (tRW_T3T_CB *p_cb, UINT16 len, UINT8 *p_data) |
| 1223 | { |
| 1224 | BT_HDR *p_cmd_buf; |
| 1225 | UINT8 *p; |
| 1226 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 1227 | |
| 1228 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1229 | { |
| 1230 | /* Construct T3T message */ |
| 1231 | p = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1232 | |
| 1233 | /* Add data blocks to the message */ |
| 1234 | ARRAY_TO_STREAM (p, p_data, len); |
| 1235 | |
| 1236 | /* Calculate length of message */ |
| 1237 | p_cmd_buf->len = len; |
| 1238 | |
| 1239 | /* Send the T3T message */ |
| 1240 | retval = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_SEND_RAW_FRAME, p_cmd_buf, RW_T3T_RAW_FRAME_CMD_TIMEOUT_TICKS); |
| 1241 | } |
| 1242 | else |
| 1243 | { |
| 1244 | retval = NFC_STATUS_NO_BUFFERS; |
| 1245 | } |
| 1246 | |
| 1247 | return (retval); |
| 1248 | } |
| 1249 | |
| 1250 | |
| 1251 | /***************************************************************************** |
| 1252 | ** TAG RESPONSE HANDLERS |
| 1253 | *****************************************************************************/ |
| 1254 | |
| 1255 | |
| 1256 | /***************************************************************************** |
| 1257 | ** |
| 1258 | ** Function rw_t3t_act_handle_ndef_detect_rsp |
| 1259 | ** |
| 1260 | ** Description Handle response to NDEF detection |
| 1261 | ** |
| 1262 | ** Returns Nothing |
| 1263 | ** |
| 1264 | *****************************************************************************/ |
| 1265 | void rw_t3t_act_handle_ndef_detect_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1266 | { |
| 1267 | UINT8 *p; |
| 1268 | UINT32 temp; |
| 1269 | UINT8 i; |
| 1270 | UINT16 checksum_calc, checksum_rx; |
| 1271 | tRW_DETECT_NDEF_DATA evt_data; |
| 1272 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1273 | |
| 1274 | evt_data.status = NFC_STATUS_FAILED; |
| 1275 | evt_data.flags = RW_NDEF_FL_UNKNOWN; |
| 1276 | |
| 1277 | /* Check if response code is CHECK resp (for reading NDEF attribute block) */ |
| 1278 | if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_CHECK_RSP) |
| 1279 | { |
| 1280 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_CHECK_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1281 | evt_data.status = NFC_STATUS_FAILED; |
| 1282 | } |
| 1283 | /* Validate status code and NFCID2 response from tag */ |
| 1284 | else if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1285 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 1286 | { |
| 1287 | evt_data.status = NFC_STATUS_FAILED; |
| 1288 | } |
| 1289 | else |
| 1290 | { |
| 1291 | /* Get checksum from received ndef attribute msg */ |
| 1292 | p = &p_t3t_rsp[T3T_MSG_RSP_OFFSET_CHECK_DATA+T3T_MSG_NDEF_ATTR_INFO_SIZE]; |
| 1293 | BE_STREAM_TO_UINT16 (checksum_rx, p); |
| 1294 | |
| 1295 | /* Calculate checksum - move check for checsum to beginning */ |
| 1296 | checksum_calc = 0; |
| 1297 | p = &p_t3t_rsp[T3T_MSG_RSP_OFFSET_CHECK_DATA]; |
| 1298 | for (i = 0; i < T3T_MSG_NDEF_ATTR_INFO_SIZE; i++) |
| 1299 | { |
| 1300 | checksum_calc+=p[i]; |
| 1301 | } |
| 1302 | |
| 1303 | /* Validate checksum */ |
| 1304 | if (checksum_calc != checksum_rx) |
| 1305 | { |
| 1306 | p_cb->ndef_attrib.status = NFC_STATUS_FAILED; /* only ok or failed passed to the app. can be boolean*/ |
| 1307 | |
| 1308 | RW_TRACE_ERROR0 ("RW_T3tDetectNDEF checksum failed"); |
| 1309 | } |
| 1310 | else |
| 1311 | { |
| 1312 | p_cb->ndef_attrib.status = NFC_STATUS_OK; |
| 1313 | |
| 1314 | /* Validate version number */ |
| 1315 | STREAM_TO_UINT8 (p_cb->ndef_attrib.version, p); |
| 1316 | |
| 1317 | if (T3T_GET_MAJOR_VERSION (T3T_MSG_NDEF_VERSION) < T3T_GET_MAJOR_VERSION (p_cb->ndef_attrib.version)) |
| 1318 | { |
| 1319 | /* Remote tag's MajorVer is newer than our's. Reject NDEF as per T3TOP RQ_T3T_NDA_024 */ |
| 1320 | RW_TRACE_ERROR2 ("RW_T3tDetectNDEF: incompatible NDEF version. Local=0x%02x, Remote=0x%02x", T3T_MSG_NDEF_VERSION, p_cb->ndef_attrib.version); |
| 1321 | p_cb->ndef_attrib.status = NFC_STATUS_FAILED; |
| 1322 | evt_data.status = NFC_STATUS_BAD_RESP; |
| 1323 | } |
| 1324 | else |
| 1325 | { |
| 1326 | /* Remote tag's MajorVer is equal or older than our's. NDEF is compatible with our version. */ |
| 1327 | |
| 1328 | /* Update NDEF info */ |
| 1329 | STREAM_TO_UINT8 (p_cb->ndef_attrib.nbr, p); /* NBr: number of blocks that can be read using one Check command */ |
| 1330 | STREAM_TO_UINT8 (p_cb->ndef_attrib.nbw, p); /* Nbw: number of blocks that can be written using one Update command */ |
| 1331 | BE_STREAM_TO_UINT16 (p_cb->ndef_attrib.nmaxb, p); /* Nmaxb: maximum number of blocks available for NDEF data */ |
| 1332 | BE_STREAM_TO_UINT32 (temp, p); |
| 1333 | STREAM_TO_UINT8 (p_cb->ndef_attrib.writef, p); /* WriteFlag: 00h if writing data finished; 0Fh if writing data in progress */ |
| 1334 | STREAM_TO_UINT8 (p_cb->ndef_attrib.rwflag, p); /* RWFlag: 00h NDEF is read-only; 01h if read/write available */ |
| 1335 | |
| 1336 | /* Get length (3-byte, big-endian) */ |
| 1337 | STREAM_TO_UINT8 (temp, p); /* Ln: high-byte */ |
| 1338 | BE_STREAM_TO_UINT16 (p_cb->ndef_attrib.ln, p); /* Ln: lo-word */ |
| 1339 | p_cb->ndef_attrib.ln += (temp << 16); |
| 1340 | |
| 1341 | |
| 1342 | RW_TRACE_DEBUG1 ("Detected NDEF Ver: 0x%02x", p_cb->ndef_attrib.version); |
| 1343 | RW_TRACE_DEBUG6 ("Detected NDEF Attributes: Nbr=%i, Nbw=%i, Nmaxb=%i, WriteF=%i, RWFlag=%i, Ln=%i", |
| 1344 | p_cb->ndef_attrib.nbr, |
| 1345 | p_cb->ndef_attrib.nbw, |
| 1346 | p_cb->ndef_attrib.nmaxb, |
| 1347 | p_cb->ndef_attrib.writef, |
| 1348 | p_cb->ndef_attrib.rwflag, |
| 1349 | p_cb->ndef_attrib.ln); |
| 1350 | |
| 1351 | /* Set data for RW_T3T_NDEF_DETECT_EVT */ |
| 1352 | evt_data.status = p_cb->ndef_attrib.status; |
| 1353 | evt_data.cur_size = p_cb->ndef_attrib.ln; |
| 1354 | evt_data.max_size = (UINT32) p_cb->ndef_attrib.nmaxb * 16; |
| 1355 | evt_data.protocol = NFC_PROTOCOL_T3T; |
| 1356 | evt_data.flags = (RW_NDEF_FL_SUPPORTED | RW_NDEF_FL_FORMATED); |
| 1357 | if (p_cb->ndef_attrib.rwflag == T3T_MSG_NDEF_RWFLAG_RO) |
| 1358 | evt_data.flags |= RW_NDEF_FL_READ_ONLY; |
| 1359 | } |
| 1360 | } |
| 1361 | } |
| 1362 | |
| 1363 | RW_TRACE_DEBUG1 ("RW_T3tDetectNDEF response: %i", evt_data.status); |
| 1364 | |
| 1365 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 1366 | rw_t3t_update_ndef_flag (&evt_data.flags); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1367 | /* Notify app of NDEF detection result */ |
| 1368 | (*(rw_cb.p_cback)) (RW_T3T_NDEF_DETECT_EVT, (tRW_DATA *) &evt_data); |
| 1369 | |
| 1370 | GKI_freebuf (p_msg_rsp); |
| 1371 | } |
| 1372 | |
| 1373 | |
| 1374 | /***************************************************************************** |
| 1375 | ** |
| 1376 | ** Function rw_t3t_act_handle_check_rsp |
| 1377 | ** |
| 1378 | ** Description Handle response to CHECK command |
| 1379 | ** |
| 1380 | ** Returns Nothing |
| 1381 | ** |
| 1382 | *****************************************************************************/ |
| 1383 | void rw_t3t_act_handle_check_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1384 | { |
| 1385 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1386 | tRW_READ_DATA evt_data; |
| 1387 | tNFC_STATUS nfc_status = NFC_STATUS_OK; |
| 1388 | |
| 1389 | /* Validate response from tag */ |
| 1390 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1391 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 1392 | { |
| 1393 | nfc_status = NFC_STATUS_FAILED; |
| 1394 | GKI_freebuf (p_msg_rsp); |
| 1395 | } |
| 1396 | else if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_CHECK_RSP) |
| 1397 | { |
| 1398 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_CHECK_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1399 | nfc_status = NFC_STATUS_FAILED; |
| 1400 | GKI_freebuf (p_msg_rsp); |
| 1401 | } |
| 1402 | else |
| 1403 | { |
| 1404 | /* Copy incoming data into buffer */ |
| 1405 | p_msg_rsp->offset += T3T_MSG_RSP_OFFSET_CHECK_DATA; /* Skip over t3t header */ |
| 1406 | p_msg_rsp->len -= T3T_MSG_RSP_OFFSET_CHECK_DATA; |
| 1407 | evt_data.status = NFC_STATUS_OK; |
| 1408 | evt_data.p_data = p_msg_rsp; |
| 1409 | (*(rw_cb.p_cback)) (RW_T3T_CHECK_EVT, (tRW_DATA *) &evt_data); |
| 1410 | } |
| 1411 | |
| 1412 | |
| 1413 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1414 | |
| 1415 | (*(rw_cb.p_cback)) (RW_T3T_CHECK_CPLT_EVT, (tRW_DATA *) &nfc_status); |
| 1416 | } |
| 1417 | |
| 1418 | /***************************************************************************** |
| 1419 | ** |
| 1420 | ** Function rw_t3t_act_handle_update_rsp |
| 1421 | ** |
| 1422 | ** Description Handle response to UPDATE command |
| 1423 | ** |
| 1424 | ** Returns Nothing |
| 1425 | ** |
| 1426 | *****************************************************************************/ |
| 1427 | void rw_t3t_act_handle_update_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1428 | { |
| 1429 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1430 | tRW_READ_DATA evt_data; |
| 1431 | |
| 1432 | /* Validate response from tag */ |
| 1433 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1434 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 1435 | { |
| 1436 | evt_data.status = NFC_STATUS_FAILED; |
| 1437 | } |
| 1438 | else if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 1439 | { |
| 1440 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_UPDATE_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1441 | evt_data.status = NFC_STATUS_FAILED; |
| 1442 | } |
| 1443 | else |
| 1444 | { |
| 1445 | /* Copy incoming data into buffer */ |
| 1446 | evt_data.status = NFC_STATUS_OK; |
| 1447 | } |
| 1448 | |
| 1449 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1450 | |
| 1451 | (*(rw_cb.p_cback)) (RW_T3T_UPDATE_CPLT_EVT, (tRW_DATA *)&evt_data); |
| 1452 | |
| 1453 | GKI_freebuf (p_msg_rsp); |
| 1454 | } |
| 1455 | |
| 1456 | /***************************************************************************** |
| 1457 | ** |
| 1458 | ** Function rw_t3t_act_handle_raw_senddata_rsp |
| 1459 | ** |
| 1460 | ** Description Handle response to NDEF detection |
| 1461 | ** |
| 1462 | ** Returns Nothing |
| 1463 | ** |
| 1464 | *****************************************************************************/ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 1465 | void rw_t3t_act_handle_raw_senddata_rsp (tRW_T3T_CB *p_cb, tNFC_DATA_CEVT *p_data) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1466 | { |
| 1467 | tRW_READ_DATA evt_data; |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 1468 | BT_HDR *p_pkt = p_data->p_data; |
| 1469 | |
| 1470 | #if (BT_TRACE_VERBOSE == TRUE) |
| 1471 | RW_TRACE_DEBUG2 ("RW T3T Raw Frame: Len [0x%X] Status [%s]", p_pkt->len, NFC_GetStatusName (p_data->status)); |
| 1472 | #else |
| 1473 | RW_TRACE_DEBUG2 ("RW T3T Raw Frame: Len [0x%X] Status [0x%X]", p_pkt->len, p_data->status); |
| 1474 | #endif |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1475 | |
| 1476 | /* Copy incoming data into buffer */ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 1477 | evt_data.status = p_data->status; |
| 1478 | evt_data.p_data = p_pkt; |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1479 | |
| 1480 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1481 | |
| 1482 | (*(rw_cb.p_cback)) (RW_T3T_RAW_FRAME_EVT, (tRW_DATA *) &evt_data); |
| 1483 | } |
| 1484 | |
| 1485 | /***************************************************************************** |
| 1486 | ** |
| 1487 | ** Function rw_t3t_act_handle_check_ndef_rsp |
| 1488 | ** |
| 1489 | ** Description Handle response to NDEF read segment |
| 1490 | ** |
| 1491 | ** Returns Nothing |
| 1492 | ** |
| 1493 | *****************************************************************************/ |
| 1494 | void rw_t3t_act_handle_check_ndef_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1495 | { |
| 1496 | BOOLEAN check_complete = TRUE; |
| 1497 | tNFC_STATUS nfc_status = NFC_STATUS_OK; |
| 1498 | tRW_READ_DATA read_data; |
| 1499 | tRW_DATA evt_data; |
| 1500 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1501 | UINT8 rsp_num_bytes_rx; |
| 1502 | |
| 1503 | /* Validate response from tag */ |
| 1504 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1505 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) /* verify response IDm */ |
| 1506 | ||(p_t3t_rsp[T3T_MSG_RSP_OFFSET_NUMBLOCKS] != ((p_cb->ndef_rx_readlen+15) >> 4)) ) /* verify length of response */ |
| 1507 | { |
| 1508 | RW_TRACE_ERROR2 ("Response error: bad status, nfcid2, or invalid len: %i %i", p_t3t_rsp[T3T_MSG_RSP_OFFSET_NUMBLOCKS], ((p_cb->ndef_rx_readlen+15)>>4)); |
| 1509 | nfc_status = NFC_STATUS_FAILED; |
| 1510 | GKI_freebuf (p_msg_rsp); |
| 1511 | } |
| 1512 | else if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_CHECK_RSP) |
| 1513 | { |
| 1514 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_CHECK_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1515 | nfc_status = NFC_STATUS_FAILED; |
| 1516 | GKI_freebuf (p_msg_rsp); |
| 1517 | } |
| 1518 | else |
| 1519 | { |
| 1520 | /* Notify app of NDEF segment received */ |
| 1521 | rsp_num_bytes_rx = p_t3t_rsp[T3T_MSG_RSP_OFFSET_NUMBLOCKS] * 16; /* Number of bytes received, according to header */ |
| 1522 | p_cb->ndef_rx_offset += p_cb->ndef_rx_readlen; |
| 1523 | read_data.status = NFC_STATUS_OK; |
| 1524 | p_msg_rsp->offset += T3T_MSG_RSP_OFFSET_CHECK_DATA; /* Skip over t3t header (point to block data) */ |
| 1525 | p_msg_rsp->len -= T3T_MSG_RSP_OFFSET_CHECK_DATA; |
| 1526 | |
| 1527 | /* Verify that the bytes received is really the amount indicated in the check-response header */ |
| 1528 | if (rsp_num_bytes_rx > p_msg_rsp->len) |
| 1529 | { |
| 1530 | RW_TRACE_ERROR2 ("Response error: CHECK rsp header indicates %i bytes, but only received %i bytes", rsp_num_bytes_rx, p_msg_rsp->len); |
| 1531 | nfc_status = NFC_STATUS_FAILED; |
| 1532 | GKI_freebuf (p_msg_rsp); |
| 1533 | } |
| 1534 | else |
| 1535 | { |
| 1536 | /* If this is the the final block, then set len to reflect only valid bytes (do not include padding to 16-byte boundary) */ |
| 1537 | if ((p_cb->flags & RW_T3T_FL_IS_FINAL_NDEF_SEGMENT) && (p_cb->ndef_attrib.ln & 0x000F)) |
| 1538 | { |
| 1539 | rsp_num_bytes_rx -= (16 - (p_cb->ndef_attrib.ln & 0x000F)); |
| 1540 | } |
| 1541 | |
| 1542 | p_msg_rsp->len = rsp_num_bytes_rx; |
| 1543 | read_data.p_data = p_msg_rsp; |
| 1544 | (*(rw_cb.p_cback)) (RW_T3T_CHECK_EVT, (tRW_DATA *) &read_data); |
| 1545 | |
| 1546 | /* Send CHECK cmd for next NDEF segment, if needed */ |
| 1547 | if (!(p_cb->flags & RW_T3T_FL_IS_FINAL_NDEF_SEGMENT)) |
| 1548 | { |
| 1549 | if ((nfc_status = rw_t3t_send_next_ndef_check_cmd (p_cb)) == NFC_STATUS_OK) |
| 1550 | { |
| 1551 | /* Still getting more segments. Don't send RW_T3T_CHECK_CPLT_EVT yet */ |
| 1552 | check_complete = FALSE; |
| 1553 | } |
| 1554 | } |
| 1555 | } |
| 1556 | } |
| 1557 | |
| 1558 | /* Notify app of RW_T3T_CHECK_CPLT_EVT if entire NDEF has been read, or if failure */ |
| 1559 | if (check_complete) |
| 1560 | { |
| 1561 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1562 | evt_data.status = nfc_status; |
| 1563 | (*(rw_cb.p_cback)) (RW_T3T_CHECK_CPLT_EVT, (tRW_DATA *) &evt_data); |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | |
| 1568 | /***************************************************************************** |
| 1569 | ** |
| 1570 | ** Function rw_t3t_act_handle_update_ndef_rsp |
| 1571 | ** |
| 1572 | ** Description Handle response to NDEF write segment |
| 1573 | ** |
| 1574 | ** Returns Nothing |
| 1575 | ** |
| 1576 | *****************************************************************************/ |
| 1577 | void rw_t3t_act_handle_update_ndef_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1578 | { |
| 1579 | BOOLEAN update_complete = TRUE; |
| 1580 | tNFC_STATUS nfc_status = NFC_STATUS_OK; |
| 1581 | tRW_DATA evt_data; |
| 1582 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1583 | |
| 1584 | /* Check nfcid2 and status of response */ |
| 1585 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1586 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 1587 | { |
| 1588 | nfc_status = NFC_STATUS_FAILED; |
| 1589 | } |
| 1590 | /* Validate response opcode */ |
| 1591 | else if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 1592 | { |
| 1593 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_UPDATE_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1594 | nfc_status = NFC_STATUS_FAILED; |
| 1595 | } |
| 1596 | /* If this is response to final UPDATE, then update NDEF local size */ |
| 1597 | else if (p_cb->flags & RW_T3T_FL_IS_FINAL_NDEF_SEGMENT) |
| 1598 | { |
| 1599 | /* If successful, update current NDEF size */ |
| 1600 | p_cb->ndef_attrib.ln = p_cb->ndef_msg_len; |
| 1601 | } |
| 1602 | /* If any more NDEF bytes to update, then send next UPDATE command */ |
| 1603 | else if (p_cb->ndef_msg_bytes_sent < p_cb->ndef_msg_len) |
| 1604 | { |
| 1605 | /* Send UPDATE command for next segment of NDEF */ |
| 1606 | if ((nfc_status = rw_t3t_send_next_ndef_update_cmd (p_cb)) == NFC_STATUS_OK) |
| 1607 | { |
| 1608 | /* Wait for update response */ |
| 1609 | update_complete = FALSE; |
| 1610 | } |
| 1611 | } |
| 1612 | /* Otherwise, no more NDEF bytes. Send final UPDATE for Attribute Information block */ |
| 1613 | else |
| 1614 | { |
| 1615 | p_cb->flags |= RW_T3T_FL_IS_FINAL_NDEF_SEGMENT; |
| 1616 | if ((nfc_status = rw_t3t_send_update_ndef_attribute_cmd (p_cb, FALSE)) == NFC_STATUS_OK) |
| 1617 | { |
| 1618 | /* Wait for update response */ |
| 1619 | update_complete = FALSE; |
| 1620 | } |
| 1621 | } |
| 1622 | |
| 1623 | /* If update is completed, then notify app */ |
| 1624 | if (update_complete) |
| 1625 | { |
| 1626 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1627 | evt_data.status = nfc_status; |
| 1628 | (*(rw_cb.p_cback)) (RW_T3T_UPDATE_CPLT_EVT, (tRW_DATA *) &evt_data); |
| 1629 | } |
| 1630 | |
| 1631 | |
| 1632 | GKI_freebuf (p_msg_rsp); |
| 1633 | |
| 1634 | return; |
| 1635 | } |
| 1636 | |
| 1637 | |
| 1638 | /***************************************************************************** |
| 1639 | ** |
| 1640 | ** Function rw_t3t_handle_get_sc_poll_rsp |
| 1641 | ** |
| 1642 | ** Description Handle POLL response for getting system codes |
| 1643 | ** |
| 1644 | ** Returns Nothing |
| 1645 | ** |
| 1646 | *****************************************************************************/ |
| 1647 | static void rw_t3t_handle_get_sc_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf) |
| 1648 | { |
| 1649 | BT_HDR *p_cmd_buf; |
| 1650 | UINT8 *p, *p_cmd_start; |
| 1651 | UINT16 sc; |
| 1652 | tNFC_STATUS status = NFC_STATUS_FAILED; |
| 1653 | |
| 1654 | /* If waiting for wildcard POLL */ |
| 1655 | if (p_cb->rw_substate == RW_T3T_GET_SC_SST_POLL_WILDCARD) |
| 1656 | { |
| 1657 | /* Get the system code from the response */ |
| 1658 | if ( (nci_status == NCI_STATUS_OK) |
| 1659 | &&(num_responses > 0) |
| 1660 | &&(sensf_res_buf_size >= (RW_T3T_SENSF_RES_RD_OFFSET + RW_T3T_SENSF_RES_RD_LEN)) ) |
| 1661 | { |
| 1662 | p = &p_sensf_res_buf[RW_T3T_SENSF_RES_RD_OFFSET]; |
| 1663 | BE_STREAM_TO_UINT16 (sc, p); |
| 1664 | |
| 1665 | /* Handle felica lite */ |
| 1666 | if (sc == T3T_SYSTEM_CODE_FELICA_LITE) |
| 1667 | { |
| 1668 | RW_TRACE_DEBUG1 ("FeliCa Lite tag detected (system code %04X)", sc); |
| 1669 | /* Store system code */ |
| 1670 | p_cb->system_codes[p_cb->num_system_codes++] = sc; |
| 1671 | |
| 1672 | /* Poll for NDEF system code */ |
The Android Open Source Project | 808ebf8 | 2012-12-13 15:18:55 -0800 | [diff] [blame] | 1673 | if ((status = (tNFC_STATUS) nci_snd_t3t_polling (T3T_SYSTEM_CODE_NDEF, 0, 0)) == NCI_STATUS_OK) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1674 | { |
| 1675 | p_cb->rw_substate = RW_T3T_GET_SC_SST_POLL_NDEF; |
| 1676 | p_cb->cur_poll_rc = 0; |
| 1677 | p_cb->flags |= RW_T3T_FL_W4_GET_SC_POLL_RSP; |
| 1678 | |
| 1679 | /* start timer for waiting for responses */ |
| 1680 | rw_t3t_start_poll_timer (p_cb); |
| 1681 | } |
| 1682 | } |
| 1683 | else |
| 1684 | { |
| 1685 | /* All other types, send REQUEST_SYSTEM_CODE command */ |
| 1686 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1687 | { |
| 1688 | p_cb->rw_substate = RW_T3T_GET_SC_SST_REQUEST_SC; |
| 1689 | |
| 1690 | /* Construct T3T message */ |
| 1691 | p_cmd_start = p = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1692 | UINT8_TO_STREAM (p, T3T_MSG_OPC_REQ_SYSTEMCODE_CMD); |
| 1693 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 1694 | |
| 1695 | /* Fill in length field */ |
| 1696 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 1697 | |
| 1698 | /* Send the T3T message */ |
| 1699 | status = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_GET_SYSTEM_CODES, p_cmd_buf, RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS); |
| 1700 | } |
| 1701 | } |
| 1702 | } |
| 1703 | |
| 1704 | /* Error proceeding. Notify upper layer of system codes found so far */ |
| 1705 | if (status != NFC_STATUS_OK) |
| 1706 | { |
| 1707 | rw_t3t_handle_get_system_codes_cplt (); |
| 1708 | } |
| 1709 | } |
| 1710 | /* If waiting for NDEF POLL */ |
| 1711 | else if (p_cb->rw_substate == RW_T3T_GET_SC_SST_POLL_NDEF) |
| 1712 | { |
| 1713 | /* Validate response for NDEF poll */ |
| 1714 | if ((nci_status == NCI_STATUS_OK) && (num_responses > 0)) |
| 1715 | { |
| 1716 | /* Tag responded for NDEF poll */ |
| 1717 | p_cb->system_codes[p_cb->num_system_codes++] = T3T_SYSTEM_CODE_NDEF; |
| 1718 | } |
| 1719 | rw_t3t_handle_get_system_codes_cplt (); |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | /***************************************************************************** |
| 1724 | ** |
| 1725 | ** Function rw_t3t_handle_ndef_detect_poll_rsp |
| 1726 | ** |
| 1727 | ** Description Handle POLL response for getting system codes |
| 1728 | ** |
| 1729 | ** Returns Nothing |
| 1730 | ** |
| 1731 | *****************************************************************************/ |
| 1732 | static void rw_t3t_handle_ndef_detect_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf) |
| 1733 | { |
| 1734 | BT_HDR *p_cmd_buf; |
| 1735 | UINT8 *p, *p_cmd_start; |
| 1736 | tRW_DATA evt_data; |
| 1737 | |
| 1738 | /* Validate response for NDEF poll */ |
| 1739 | if ((nci_status == NCI_STATUS_OK) && (num_responses > 0)) |
| 1740 | { |
| 1741 | /* Tag responded for NDEF poll */ |
| 1742 | |
| 1743 | /* Read NDEF attribute block */ |
| 1744 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1745 | { |
| 1746 | /* Construct T3T message */ |
| 1747 | p = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1748 | |
| 1749 | /* Add CHECK opcode to message */ |
| 1750 | UINT8_TO_STREAM (p, T3T_MSG_OPC_CHECK_CMD); |
| 1751 | |
| 1752 | /* Add IDm to message */ |
| 1753 | ARRAY_TO_STREAM (p, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 1754 | |
| 1755 | /* Add Service code list */ |
| 1756 | UINT8_TO_STREAM (p, 1); /* Number of services (only 1 service: NDEF) */ |
| 1757 | UINT16_TO_STREAM (p, T3T_MSG_NDEF_SC_RO); /* Service code (little-endian format) */ |
| 1758 | |
| 1759 | /* Number of blocks */ |
| 1760 | UINT8_TO_STREAM (p, 1); /* Number of blocks (only 1 block: NDEF Attribute Information ) */ |
| 1761 | |
| 1762 | /* Block List element: the NDEF attribute information block (block 0) */ |
| 1763 | UINT8_TO_STREAM (p, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); |
| 1764 | UINT8_TO_STREAM (p, 0); |
| 1765 | |
| 1766 | /* Calculate length of message */ |
| 1767 | p_cmd_buf->len = (UINT16) (p - p_cmd_start); |
| 1768 | |
| 1769 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 1770 | if ((evt_data.status = rw_t3t_send_cmd (p_cb, RW_T3T_CMD_DETECT_NDEF, p_cmd_buf, rw_t3t_check_timeout(1))) == NFC_STATUS_OK) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1771 | { |
| 1772 | /* CHECK command sent. Wait for response */ |
| 1773 | return; |
| 1774 | } |
| 1775 | } |
| 1776 | nci_status = NFC_STATUS_FAILED; |
| 1777 | } |
| 1778 | |
| 1779 | /* NDEF detection failed */ |
| 1780 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 1781 | evt_data.ndef.status = nci_status; |
| 1782 | evt_data.ndef.flags = RW_NDEF_FL_UNKNOWN; |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 1783 | rw_t3t_update_ndef_flag (&evt_data.ndef.flags); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1784 | (*(rw_cb.p_cback)) (RW_T3T_NDEF_DETECT_EVT, &evt_data); |
| 1785 | } |
| 1786 | |
| 1787 | |
| 1788 | /***************************************************************************** |
| 1789 | ** |
| 1790 | ** Function rw_t3t_act_handle_get_sc_rsp |
| 1791 | ** |
| 1792 | ** Description Handle response for getting system codes |
| 1793 | ** |
| 1794 | ** Returns Nothing |
| 1795 | ** |
| 1796 | *****************************************************************************/ |
| 1797 | void rw_t3t_act_handle_get_sc_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1798 | { |
| 1799 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1800 | UINT8 *p; |
| 1801 | UINT16 sc; |
| 1802 | UINT8 num_sc, i; |
| 1803 | |
| 1804 | /* Validate response opcode */ |
| 1805 | if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_REQ_SYSTEMCODE_RSP) |
| 1806 | { |
| 1807 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_REQ_SYSTEMCODE_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1808 | } |
| 1809 | else |
| 1810 | { |
| 1811 | /* Point to number of systems parameter */ |
| 1812 | p = &p_t3t_rsp[T3T_MSG_RSP_OFFSET_NUMSYS]; |
| 1813 | STREAM_TO_UINT8 (num_sc, p); |
| 1814 | |
| 1815 | /* Validate maximum */ |
| 1816 | if (num_sc>T3T_MAX_SYSTEM_CODES) |
| 1817 | { |
| 1818 | RW_TRACE_DEBUG2 ("Tag's number of systems (%i) exceeds NFA max (%i)", num_sc, T3T_MAX_SYSTEM_CODES); |
| 1819 | num_sc = T3T_MAX_SYSTEM_CODES; |
| 1820 | } |
| 1821 | |
| 1822 | for (i = 0; i < num_sc; i++) |
| 1823 | { |
| 1824 | BE_STREAM_TO_UINT16 (sc, p); |
| 1825 | p_cb->system_codes[p_cb->num_system_codes++] = sc; |
| 1826 | } |
| 1827 | } |
| 1828 | rw_t3t_handle_get_system_codes_cplt (); |
| 1829 | |
| 1830 | GKI_freebuf (p_msg_rsp); |
| 1831 | } |
| 1832 | |
| 1833 | /***************************************************************************** |
| 1834 | ** |
| 1835 | ** Function rw_t3t_update_block |
| 1836 | ** |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1837 | ** Description Send UPDATE command for single block |
| 1838 | ** (for formatting/configuring read only) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1839 | ** |
| 1840 | ** Returns tNFC_STATUS |
| 1841 | ** |
| 1842 | *****************************************************************************/ |
| 1843 | tNFC_STATUS rw_t3t_update_block (tRW_T3T_CB *p_cb, UINT8 block_id, UINT8 *p_block_data) |
| 1844 | { |
| 1845 | UINT8 *p_dst, *p_cmd_start; |
| 1846 | BT_HDR *p_cmd_buf; |
| 1847 | tNFC_STATUS status; |
| 1848 | |
| 1849 | if ((p_cmd_buf = rw_t3t_get_cmd_buf ()) != NULL) |
| 1850 | { |
| 1851 | p_dst = p_cmd_start = (UINT8 *) (p_cmd_buf+1) + p_cmd_buf->offset; |
| 1852 | |
| 1853 | /* Add UPDATE opcode to message */ |
| 1854 | UINT8_TO_STREAM (p_dst, T3T_MSG_OPC_UPDATE_CMD); |
| 1855 | |
| 1856 | /* Add IDm to message */ |
| 1857 | ARRAY_TO_STREAM (p_dst, p_cb->peer_nfcid2, NCI_NFCID2_LEN); |
| 1858 | |
| 1859 | /* Add Service code list */ |
| 1860 | UINT8_TO_STREAM (p_dst, 1); /* Number of services (only 1 service: NDEF) */ |
| 1861 | UINT16_TO_STREAM (p_dst, T3T_MSG_NDEF_SC_RW); /* Service code (little-endian format) */ |
| 1862 | |
| 1863 | /* Number of blocks */ |
| 1864 | UINT8_TO_STREAM (p_dst, 1); |
| 1865 | |
| 1866 | /* Add Block list element for MC */ |
| 1867 | UINT8_TO_STREAM (p_dst, T3T_MSG_MASK_TWO_BYTE_BLOCK_DESC_FORMAT); |
| 1868 | UINT8_TO_STREAM (p_dst, block_id); |
| 1869 | |
| 1870 | /* Copy MC data to UPDATE message */ |
| 1871 | ARRAY_TO_STREAM (p_dst, p_block_data, T3T_MSG_BLOCKSIZE); |
| 1872 | |
| 1873 | /* Calculate length of message */ |
| 1874 | p_cmd_buf->len = (UINT16) (p_dst - p_cmd_start); |
| 1875 | |
| 1876 | /* Send the T3T message */ |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 1877 | status = rw_t3t_send_cmd (p_cb, p_cb->cur_cmd, p_cmd_buf, rw_t3t_update_timeout(1)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1878 | } |
| 1879 | else |
| 1880 | { |
| 1881 | /* Unable to send UPDATE command */ |
| 1882 | status = NFC_STATUS_NO_BUFFERS; |
| 1883 | } |
| 1884 | |
| 1885 | return (status); |
| 1886 | } |
| 1887 | |
| 1888 | /***************************************************************************** |
| 1889 | ** |
| 1890 | ** Function rw_t3t_handle_fmt_poll_rsp |
| 1891 | ** |
| 1892 | ** Description Handle POLL response for formatting felica-lite |
| 1893 | ** |
| 1894 | ** Returns Nothing |
| 1895 | ** |
| 1896 | *****************************************************************************/ |
| 1897 | static void rw_t3t_handle_fmt_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf) |
| 1898 | { |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1899 | tRW_DATA evt_data; |
| 1900 | |
| 1901 | evt_data.status = NFC_STATUS_OK; |
| 1902 | |
| 1903 | /* Validate response for poll response */ |
| 1904 | if ((nci_status == NCI_STATUS_OK) && (num_responses > 0)) |
| 1905 | { |
| 1906 | /* Tag responded for Felica-Lite poll */ |
| 1907 | /* Get MemoryControl block */ |
| 1908 | RW_TRACE_DEBUG0 ("Felica-Lite tag detected...getting Memory Control block."); |
| 1909 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1910 | p_cb->rw_substate = RW_T3T_FMT_SST_CHECK_MC_BLK; |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1911 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1912 | /* Send command to check Memory Configuration block */ |
| 1913 | evt_data.status = rw_t3t_check_mc_block (p_cb); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1914 | } |
| 1915 | else |
| 1916 | { |
| 1917 | RW_TRACE_ERROR0 ("Felica-Lite tag not detected"); |
| 1918 | evt_data.status = NFC_STATUS_FAILED; |
| 1919 | } |
| 1920 | |
| 1921 | /* If error, notify upper layer */ |
| 1922 | if (evt_data.status != NFC_STATUS_OK) |
| 1923 | { |
| 1924 | rw_t3t_format_cplt (evt_data.status); |
| 1925 | } |
| 1926 | } |
| 1927 | |
| 1928 | /***************************************************************************** |
| 1929 | ** |
| 1930 | ** Function rw_t3t_act_handle_fmt_rsp |
| 1931 | ** |
| 1932 | ** Description Handle response for formatting codes |
| 1933 | ** |
| 1934 | ** Returns Nothing |
| 1935 | ** |
| 1936 | *****************************************************************************/ |
| 1937 | void rw_t3t_act_handle_fmt_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 1938 | { |
| 1939 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 1940 | UINT8 *p_mc; |
| 1941 | tRW_DATA evt_data; |
| 1942 | |
| 1943 | evt_data.status = NFC_STATUS_OK; |
| 1944 | |
| 1945 | /* Check tags's response for reading MemoryControl block */ |
| 1946 | if (p_cb->rw_substate == RW_T3T_FMT_SST_CHECK_MC_BLK) |
| 1947 | { |
| 1948 | /* Validate response opcode */ |
| 1949 | if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_CHECK_RSP) |
| 1950 | { |
| 1951 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_CHECK_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 1952 | evt_data.status = NFC_STATUS_FAILED; |
| 1953 | } |
| 1954 | /* Validate status code and NFCID2 response from tag */ |
| 1955 | else if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 1956 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 1957 | { |
| 1958 | evt_data.status = NFC_STATUS_FAILED; |
| 1959 | } |
| 1960 | else |
| 1961 | { |
| 1962 | /* Check if memory configuration (MC) block to see if SYS_OP=1 (NDEF enabled) */ |
| 1963 | p_mc = &p_t3t_rsp[T3T_MSG_RSP_OFFSET_CHECK_DATA]; /* Point to MC data of CHECK response */ |
| 1964 | |
| 1965 | if (p_mc[T3T_MSG_FELICALITE_MC_OFFSET_SYS_OP] != 0x01) |
| 1966 | { |
| 1967 | /* Tag is not currently enabled for NDEF. Indicate that we need to update the MC block */ |
| 1968 | |
| 1969 | /* Set SYS_OP field to 0x01 (enable NDEF) */ |
| 1970 | p_mc[T3T_MSG_FELICALITE_MC_OFFSET_SYS_OP] = 0x01; |
| 1971 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 1972 | /* Set RF_PRM field to 0x07 (procedure of issuance) */ |
| 1973 | p_mc[T3T_MSG_FELICALITE_MC_OFFSET_RF_PRM] = 0x07; |
| 1974 | |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 1975 | /* Construct and send UPDATE message to write MC block */ |
| 1976 | p_cb->rw_substate = RW_T3T_FMT_SST_UPDATE_MC_BLK; |
| 1977 | evt_data.status = rw_t3t_update_block (p_cb, T3T_MSG_FELICALITE_BLOCK_ID_MC, p_mc); |
| 1978 | } |
| 1979 | else |
| 1980 | { |
| 1981 | /* SYS_OP=1: ndef already enabled. Just need to update attribute information block */ |
| 1982 | p_cb->rw_substate = RW_T3T_FMT_SST_UPDATE_NDEF_ATTRIB; |
| 1983 | evt_data.status = rw_t3t_update_block (p_cb, 0, (UINT8 *) rw_t3t_default_attrib_info); |
| 1984 | } |
| 1985 | } |
| 1986 | |
| 1987 | /* If error, notify upper layer */ |
| 1988 | if (evt_data.status != NFC_STATUS_OK) |
| 1989 | { |
| 1990 | rw_t3t_format_cplt (evt_data.status); |
| 1991 | } |
| 1992 | } |
| 1993 | else if (p_cb->rw_substate == RW_T3T_FMT_SST_UPDATE_MC_BLK) |
| 1994 | { |
| 1995 | /* Validate response opcode */ |
| 1996 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 1997 | ||(p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) ) |
| 1998 | |
| 1999 | { |
| 2000 | RW_TRACE_ERROR2 ("Response error: rsp_code=%02X, status=%02X", p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE], p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1]); |
| 2001 | evt_data.status = NFC_STATUS_FAILED; |
| 2002 | } |
| 2003 | else |
| 2004 | { |
| 2005 | /* SYS_OP=1: ndef already enabled. Just need to update attribute information block */ |
| 2006 | p_cb->rw_substate = RW_T3T_FMT_SST_UPDATE_NDEF_ATTRIB; |
| 2007 | evt_data.status = rw_t3t_update_block (p_cb, 0, (UINT8 *) rw_t3t_default_attrib_info); |
| 2008 | } |
| 2009 | |
| 2010 | /* If error, notify upper layer */ |
| 2011 | if (evt_data.status != NFC_STATUS_OK) |
| 2012 | { |
| 2013 | rw_t3t_format_cplt (evt_data.status); |
| 2014 | } |
| 2015 | } |
| 2016 | else if (p_cb->rw_substate == RW_T3T_FMT_SST_UPDATE_NDEF_ATTRIB) |
| 2017 | { |
| 2018 | /* Validate response opcode */ |
| 2019 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 2020 | ||(p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) ) |
| 2021 | |
| 2022 | { |
| 2023 | RW_TRACE_ERROR2 ("Response error: rsp_code=%02X, status=%02X", p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE], p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1]); |
| 2024 | evt_data.status = NFC_STATUS_FAILED; |
| 2025 | } |
| 2026 | |
| 2027 | |
| 2028 | rw_t3t_format_cplt (evt_data.status); |
| 2029 | } |
| 2030 | |
| 2031 | GKI_freebuf (p_msg_rsp); |
| 2032 | } |
| 2033 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 2034 | /***************************************************************************** |
| 2035 | ** |
| 2036 | ** Function rw_t3t_handle_sro_poll_rsp |
| 2037 | ** |
| 2038 | ** Description Handle POLL response for configuring felica-lite read only |
| 2039 | ** |
| 2040 | ** Returns Nothing |
| 2041 | ** |
| 2042 | *****************************************************************************/ |
| 2043 | static void rw_t3t_handle_sro_poll_rsp (tRW_T3T_CB *p_cb, UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf) |
| 2044 | { |
| 2045 | tRW_DATA evt_data; |
| 2046 | UINT8 rw_t3t_ndef_attrib_info[T3T_MSG_BLOCKSIZE]; |
| 2047 | UINT8 *p; |
| 2048 | UINT8 tempU8; |
| 2049 | UINT16 checksum, i; |
| 2050 | UINT32 tempU32 = 0; |
| 2051 | |
| 2052 | evt_data.status = NFC_STATUS_OK; |
| 2053 | |
| 2054 | /* Validate response for poll response */ |
| 2055 | if ((nci_status == NCI_STATUS_OK) && (num_responses > 0)) |
| 2056 | { |
| 2057 | /* Tag responded for Felica-Lite poll */ |
| 2058 | if (p_cb->ndef_attrib.rwflag != T3T_MSG_NDEF_RWFLAG_RO) |
| 2059 | { |
| 2060 | /* First update attribute information block */ |
| 2061 | RW_TRACE_DEBUG0 ("Felica-Lite tag detected...update NDef attribution block."); |
| 2062 | |
| 2063 | p_cb->rw_substate = RW_T3T_SRO_SST_UPDATE_NDEF_ATTRIB; |
| 2064 | |
| 2065 | p = rw_t3t_ndef_attrib_info; |
| 2066 | |
| 2067 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.version); |
| 2068 | |
| 2069 | /* Update NDEF info */ |
| 2070 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.nbr); /* NBr: number of blocks that can be read using one Check command */ |
| 2071 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.nbw); /* Nbw: number of blocks that can be written using one Update command */ |
| 2072 | UINT16_TO_BE_STREAM (p, p_cb->ndef_attrib.nmaxb); /* Nmaxb: maximum number of blocks available for NDEF data */ |
| 2073 | UINT32_TO_BE_STREAM (p, tempU32); |
| 2074 | UINT8_TO_STREAM (p, p_cb->ndef_attrib.writef); /* WriteFlag: 00h if writing data finished; 0Fh if writing data in progress */ |
| 2075 | UINT8_TO_STREAM (p, 0x00); /* RWFlag: 00h NDEF is read-only */ |
| 2076 | |
| 2077 | tempU8 = (UINT8) (p_cb->ndef_attrib.ln >> 16); |
| 2078 | /* Get length (3-byte, big-endian) */ |
| 2079 | UINT8_TO_STREAM (p, tempU8); /* Ln: high-byte */ |
| 2080 | UINT16_TO_BE_STREAM (p, p_cb->ndef_attrib.ln); /* Ln: lo-word */ |
| 2081 | |
| 2082 | /* Calculate and append Checksum */ |
| 2083 | checksum = 0; |
| 2084 | for (i = 0; i < T3T_MSG_NDEF_ATTR_INFO_SIZE; i++) |
| 2085 | { |
| 2086 | checksum+=rw_t3t_ndef_attrib_info[i]; |
| 2087 | } |
| 2088 | UINT16_TO_BE_STREAM (p, checksum); |
| 2089 | |
| 2090 | evt_data.status = rw_t3t_update_block (p_cb, 0, (UINT8 *) rw_t3t_ndef_attrib_info); |
| 2091 | } |
| 2092 | else if (p_cb->cur_cmd == RW_T3T_CMD_SET_READ_ONLY_HARD) |
| 2093 | { |
| 2094 | /* NDEF is already read only, Read and update MemoryControl block */ |
| 2095 | RW_TRACE_DEBUG0 ("Felica-Lite tag detected...getting Memory Control block."); |
| 2096 | p_cb->rw_substate = RW_T3T_SRO_SST_CHECK_MC_BLK; |
| 2097 | |
| 2098 | /* Send command to check Memory Configuration block */ |
| 2099 | evt_data.status = rw_t3t_check_mc_block (p_cb); |
| 2100 | } |
| 2101 | } |
| 2102 | else |
| 2103 | { |
| 2104 | RW_TRACE_ERROR0 ("Felica-Lite tag not detected"); |
| 2105 | evt_data.status = NFC_STATUS_FAILED; |
| 2106 | } |
| 2107 | |
| 2108 | /* If error, notify upper layer */ |
| 2109 | if (evt_data.status != NFC_STATUS_OK) |
| 2110 | { |
| 2111 | rw_t3t_set_readonly_cplt (evt_data.status); |
| 2112 | } |
| 2113 | } |
| 2114 | |
| 2115 | /***************************************************************************** |
| 2116 | ** |
| 2117 | ** Function rw_t3t_act_handle_sro_rsp |
| 2118 | ** |
| 2119 | ** Description Handle response for setting read only codes |
| 2120 | ** |
| 2121 | ** Returns Nothing |
| 2122 | ** |
| 2123 | *****************************************************************************/ |
| 2124 | void rw_t3t_act_handle_sro_rsp (tRW_T3T_CB *p_cb, BT_HDR *p_msg_rsp) |
| 2125 | { |
| 2126 | UINT8 *p_t3t_rsp = (UINT8 *) (p_msg_rsp+1) + p_msg_rsp->offset; |
| 2127 | UINT8 *p_mc; |
| 2128 | tRW_DATA evt_data; |
| 2129 | |
| 2130 | evt_data.status = NFC_STATUS_OK; |
| 2131 | |
| 2132 | if (p_cb->rw_substate == RW_T3T_SRO_SST_UPDATE_NDEF_ATTRIB) |
| 2133 | { |
| 2134 | /* Validate response opcode */ |
| 2135 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 2136 | ||(p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) ) |
| 2137 | |
| 2138 | { |
| 2139 | RW_TRACE_ERROR2 ("Response error: rsp_code=%02X, status=%02X", p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE], p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1]); |
| 2140 | evt_data.status = NFC_STATUS_FAILED; |
| 2141 | } |
| 2142 | else |
| 2143 | { |
| 2144 | p_cb->ndef_attrib.rwflag = T3T_MSG_NDEF_RWFLAG_RO; |
| 2145 | if (p_cb->cur_cmd == RW_T3T_CMD_SET_READ_ONLY_HARD) |
| 2146 | { |
| 2147 | p_cb->rw_substate = RW_T3T_SRO_SST_CHECK_MC_BLK; |
| 2148 | |
| 2149 | /* Send command to check Memory Configuration block */ |
| 2150 | evt_data.status = rw_t3t_check_mc_block (p_cb); |
| 2151 | } |
| 2152 | else |
| 2153 | { |
| 2154 | rw_t3t_set_readonly_cplt (evt_data.status); |
| 2155 | } |
| 2156 | } |
| 2157 | } |
| 2158 | else if (p_cb->rw_substate == RW_T3T_SRO_SST_CHECK_MC_BLK) |
| 2159 | { |
| 2160 | /* Check tags's response for reading MemoryControl block, Validate response opcode */ |
| 2161 | if (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_CHECK_RSP) |
| 2162 | { |
| 2163 | RW_TRACE_ERROR2 ("Response error: expecting rsp_code %02X, but got %02X", T3T_MSG_OPC_CHECK_RSP, p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE]); |
| 2164 | evt_data.status = NFC_STATUS_FAILED; |
| 2165 | } |
| 2166 | /* Validate status code and NFCID2 response from tag */ |
| 2167 | else if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) /* verify response status code */ |
| 2168 | ||(memcmp (p_cb->peer_nfcid2, &p_t3t_rsp[T3T_MSG_RSP_OFFSET_IDM], NCI_NFCID2_LEN) != 0) ) /* verify response IDm */ |
| 2169 | { |
| 2170 | evt_data.status = NFC_STATUS_FAILED; |
| 2171 | } |
| 2172 | else |
| 2173 | { |
| 2174 | /* Check if memory configuration (MC) block to see if SYS_OP=1 (NDEF enabled) */ |
| 2175 | p_mc = &p_t3t_rsp[T3T_MSG_RSP_OFFSET_CHECK_DATA]; /* Point to MC data of CHECK response */ |
| 2176 | |
| 2177 | if (p_mc[T3T_MSG_FELICALITE_MC_OFFSET_SYS_OP] != 0x01) |
| 2178 | { |
| 2179 | /* Tag is not currently enabled for NDEF */ |
| 2180 | evt_data.status = NFC_STATUS_FAILED; |
| 2181 | } |
| 2182 | else |
| 2183 | { |
| 2184 | /* Set MC_SP field with MC[0] = 0x00 & MC[1] = 0xC0 (Hardlock) to change access permission from RW to RO */ |
| 2185 | p_mc[T3T_MSG_FELICALITE_MC_OFFSET_MC_SP] = 0x00; |
| 2186 | /* Not changing the access permission of Subtraction Register and MC[0:1] */ |
| 2187 | p_mc[T3T_MSG_FELICALITE_MC_OFFSET_MC_SP + 1] = 0xC0; |
| 2188 | |
| 2189 | /* Set RF_PRM field to 0x07 (procedure of issuance) */ |
| 2190 | p_mc[T3T_MSG_FELICALITE_MC_OFFSET_RF_PRM] = 0x07; |
| 2191 | |
| 2192 | /* Construct and send UPDATE message to write MC block */ |
| 2193 | p_cb->rw_substate = RW_T3T_SRO_SST_UPDATE_MC_BLK; |
| 2194 | evt_data.status = rw_t3t_update_block (p_cb, T3T_MSG_FELICALITE_BLOCK_ID_MC, p_mc); |
| 2195 | } |
| 2196 | } |
| 2197 | } |
| 2198 | else if (p_cb->rw_substate == RW_T3T_SRO_SST_UPDATE_MC_BLK) |
| 2199 | { |
| 2200 | /* Validate response opcode */ |
| 2201 | if ( (p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE] != T3T_MSG_OPC_UPDATE_RSP) |
| 2202 | ||(p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1] != T3T_MSG_RSP_STATUS_OK) ) |
| 2203 | |
| 2204 | { |
| 2205 | RW_TRACE_ERROR2 ("Response error: rsp_code=%02X, status=%02X", p_t3t_rsp[T3T_MSG_RSP_OFFSET_RSPCODE], p_t3t_rsp[T3T_MSG_RSP_OFFSET_STATUS1]); |
| 2206 | evt_data.status = NFC_STATUS_FAILED; |
| 2207 | } |
| 2208 | else |
| 2209 | { |
| 2210 | rw_t3t_set_readonly_cplt (evt_data.status); |
| 2211 | } |
| 2212 | } |
| 2213 | |
| 2214 | /* If error, notify upper layer */ |
| 2215 | if (evt_data.status != NFC_STATUS_OK) |
| 2216 | { |
| 2217 | rw_t3t_set_readonly_cplt (evt_data.status); |
| 2218 | } |
| 2219 | |
| 2220 | GKI_freebuf (p_msg_rsp); |
| 2221 | } |
| 2222 | |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2223 | /******************************************************************************* |
| 2224 | ** |
| 2225 | ** Function rw_t3t_data_cback |
| 2226 | ** |
| 2227 | ** Description This callback function receives the data from NFCC. |
| 2228 | ** |
| 2229 | ** Returns none |
| 2230 | ** |
| 2231 | *******************************************************************************/ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2232 | void rw_t3t_data_cback (UINT8 conn_id, tNFC_DATA_CEVT *p_data) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2233 | { |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2234 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2235 | BT_HDR *p_msg = p_data->p_data; |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2236 | BOOLEAN free_msg = FALSE; /* if TRUE, free msg buffer before returning */ |
| 2237 | UINT8 *p, sod; |
| 2238 | |
| 2239 | /* Stop rsponse timer */ |
| 2240 | nfc_stop_quick_timer (&p_cb->timer); |
| 2241 | |
| 2242 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 2243 | /* Update rx stats */ |
| 2244 | rw_main_update_rx_stats (p_msg->len); |
| 2245 | #endif /* RW_STATS_INCLUDED */ |
| 2246 | |
| 2247 | /* Check if we are expecting a response */ |
| 2248 | if (p_cb->rw_state != RW_T3T_STATE_COMMAND_PENDING) |
| 2249 | { |
| 2250 | /* |
| 2251 | ** This must be raw frame response |
| 2252 | ** send raw frame to app with SoD |
| 2253 | */ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2254 | rw_t3t_act_handle_raw_senddata_rsp (p_cb, p_data); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2255 | } |
| 2256 | /* Sanity check: verify msg len is big enough to contain t3t header */ |
| 2257 | else if (p_msg->len < T3T_MSG_RSP_COMMON_HDR_LEN) |
| 2258 | { |
| 2259 | RW_TRACE_ERROR1 ("T3T: invalid Type3 Tag Message (invalid len: %i)", p_msg->len); |
| 2260 | free_msg = TRUE; |
| 2261 | |
| 2262 | rw_t3t_process_frame_error (); |
| 2263 | } |
| 2264 | else |
| 2265 | { |
| 2266 | /* Check for RF frame error */ |
| 2267 | p = (UINT8 *) (p_msg+1) + p_msg->offset; |
| 2268 | sod = p[0]; |
| 2269 | if (p[sod] != NCI_STATUS_OK) |
| 2270 | { |
| 2271 | RW_TRACE_ERROR1 ("T3T: rf frame error (crc status=%i)", p[sod]); |
| 2272 | GKI_freebuf (p_msg); |
| 2273 | |
| 2274 | rw_t3t_process_frame_error (); |
| 2275 | return; |
| 2276 | } |
| 2277 | |
| 2278 | #if (BT_TRACE_PROTOCOL == TRUE) |
| 2279 | DispT3TagMessage (p_msg, TRUE); |
| 2280 | #endif |
| 2281 | |
| 2282 | /* Skip over SoD */ |
| 2283 | p_msg->offset++; |
| 2284 | p_msg->len--; |
| 2285 | |
| 2286 | /* Get response code */ |
| 2287 | switch (p_cb->cur_cmd) |
| 2288 | { |
| 2289 | case RW_T3T_CMD_DETECT_NDEF: |
| 2290 | rw_t3t_act_handle_ndef_detect_rsp (p_cb, p_msg); |
| 2291 | break; |
| 2292 | |
| 2293 | case RW_T3T_CMD_CHECK_NDEF: |
| 2294 | rw_t3t_act_handle_check_ndef_rsp (p_cb, p_msg); |
| 2295 | break; |
| 2296 | |
| 2297 | case RW_T3T_CMD_UPDATE_NDEF: |
| 2298 | rw_t3t_act_handle_update_ndef_rsp (p_cb, p_msg); |
| 2299 | break; |
| 2300 | |
| 2301 | case RW_T3T_CMD_CHECK: |
| 2302 | rw_t3t_act_handle_check_rsp (p_cb, p_msg); |
| 2303 | break; |
| 2304 | |
| 2305 | case RW_T3T_CMD_UPDATE: |
| 2306 | rw_t3t_act_handle_update_rsp (p_cb, p_msg); |
| 2307 | break; |
| 2308 | |
| 2309 | case RW_T3T_CMD_SEND_RAW_FRAME: |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2310 | rw_t3t_act_handle_raw_senddata_rsp (p_cb, p_data); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2311 | break; |
| 2312 | |
| 2313 | case RW_T3T_CMD_GET_SYSTEM_CODES: |
| 2314 | rw_t3t_act_handle_get_sc_rsp (p_cb, p_msg); |
| 2315 | break; |
| 2316 | |
| 2317 | case RW_T3T_CMD_FORMAT: |
| 2318 | rw_t3t_act_handle_fmt_rsp (p_cb, p_msg); |
| 2319 | break; |
| 2320 | |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 2321 | case RW_T3T_CMD_SET_READ_ONLY_SOFT: |
| 2322 | case RW_T3T_CMD_SET_READ_ONLY_HARD: |
| 2323 | rw_t3t_act_handle_sro_rsp (p_cb, p_msg); |
| 2324 | break; |
| 2325 | |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2326 | default: |
| 2327 | GKI_freebuf (p_msg); |
| 2328 | break; |
| 2329 | } |
| 2330 | } |
| 2331 | |
| 2332 | if (free_msg) |
| 2333 | { |
| 2334 | GKI_freebuf (p_msg); |
| 2335 | } |
| 2336 | } |
| 2337 | |
| 2338 | |
| 2339 | /******************************************************************************* |
| 2340 | ** |
| 2341 | ** Function rw_t3t_conn_cback |
| 2342 | ** |
| 2343 | ** Description This callback function receives the events/data from NFCC. |
| 2344 | ** |
| 2345 | ** Returns none |
| 2346 | ** |
| 2347 | *******************************************************************************/ |
| 2348 | void rw_t3t_conn_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data) |
| 2349 | { |
| 2350 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2351 | RW_TRACE_DEBUG2 ("rw_t3t_conn_cback: conn_id=%i, evt=0x%02x", conn_id, event); |
| 2352 | |
| 2353 | /* Only handle NFC_RF_CONN_ID conn_id */ |
| 2354 | if (conn_id != NFC_RF_CONN_ID) |
| 2355 | { |
| 2356 | return; |
| 2357 | } |
| 2358 | |
| 2359 | switch (event) |
| 2360 | { |
| 2361 | case NFC_DEACTIVATE_CEVT: |
| 2362 | rw_t3t_unselect (NULL); |
| 2363 | break; |
| 2364 | |
| 2365 | case NFC_DATA_CEVT: /* check for status in tNFC_CONN */ |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2366 | if ( (p_data->data.status == NFC_STATUS_OK) |
| 2367 | ||(p_data->data.status == NFC_STATUS_CONTINUE) ) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2368 | { |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2369 | rw_t3t_data_cback (conn_id, &(p_data->data)); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2370 | break; |
| 2371 | } |
| 2372 | /* Data event with error status...fall through to NFC_ERROR_CEVT case */ |
| 2373 | |
| 2374 | |
| 2375 | case NFC_ERROR_CEVT: |
| 2376 | nfc_stop_quick_timer (&p_cb->timer); |
| 2377 | |
| 2378 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 2379 | rw_main_update_trans_error_stats (); |
| 2380 | #endif /* RW_STATS_INCLUDED */ |
| 2381 | |
| 2382 | if (event == NFC_ERROR_CEVT) |
| 2383 | rw_t3t_process_error (NFC_STATUS_TIMEOUT); |
| 2384 | else |
| 2385 | rw_t3t_process_error (p_data->status); |
| 2386 | break; |
| 2387 | |
| 2388 | default: |
| 2389 | break; |
| 2390 | |
| 2391 | } |
| 2392 | } |
| 2393 | |
| 2394 | |
| 2395 | /******************************************************************************* |
| 2396 | ** |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 2397 | ** Function rw_t3t_mrti_to_a_b |
| 2398 | ** |
| 2399 | ** Description Converts the given MRTI (Maximum Response Time Information) |
| 2400 | ** to the base to calculate timeout value. |
| 2401 | ** (The timeout value is a + b * number_blocks) |
| 2402 | ** |
| 2403 | ** Returns NFC_STATUS_OK |
| 2404 | ** |
| 2405 | *******************************************************************************/ |
| 2406 | static void rw_t3t_mrti_to_a_b (UINT8 mrti, UINT32 *p_a, UINT32 *p_b) |
| 2407 | { |
| 2408 | UINT8 a, b, e; |
| 2409 | |
| 2410 | a = (mrti & 0x7) + 1; /* A is bit 0 ~ bit 2 */ |
| 2411 | mrti >>=3; |
| 2412 | b = (mrti & 0x7) + 1; /* B is bit 3 ~ bit 5 */ |
| 2413 | mrti >>=3; |
| 2414 | e = mrti & 0x3; /* E is bit 6 ~ bit 7 */ |
| 2415 | *p_a = rw_t3t_mrti_base[e] * a; /* (A+1) * base (i.e T/t3t * 4^E) */ |
| 2416 | *p_b = rw_t3t_mrti_base[e] * b; /* (B+1) * base (i.e T/t3t * 4^E) */ |
| 2417 | } |
| 2418 | |
| 2419 | |
| 2420 | /******************************************************************************* |
| 2421 | ** |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2422 | ** Function rw_t3t_select |
| 2423 | ** |
| 2424 | ** Description Called by NFC manager when a Type3 tag has been activated |
| 2425 | ** |
| 2426 | ** Returns NFC_STATUS_OK |
| 2427 | ** |
| 2428 | *******************************************************************************/ |
| 2429 | tNFC_STATUS rw_t3t_select (UINT8 peer_nfcid2[NCI_RF_F_UID_LEN], UINT8 mrti_check, UINT8 mrti_update) |
| 2430 | { |
| 2431 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2432 | |
| 2433 | RW_TRACE_API0 ("rw_t3t_select"); |
| 2434 | |
| 2435 | memcpy (p_cb->peer_nfcid2, peer_nfcid2, NCI_NFCID2_LEN); /* Store tag's NFCID2 */ |
| 2436 | p_cb->ndef_attrib.status = NFC_STATUS_NOT_INITIALIZED; /* Indicate that NDEF detection has not been performed yet */ |
| 2437 | p_cb->rw_state = RW_T3T_STATE_IDLE; |
| 2438 | p_cb->flags = 0; |
Sherry Smith | 818b56e | 2014-05-14 16:46:32 -0700 | [diff] [blame] | 2439 | rw_t3t_mrti_to_a_b (mrti_check, &p_cb->check_tout_a, &p_cb->check_tout_b); |
| 2440 | rw_t3t_mrti_to_a_b (mrti_update, &p_cb->update_tout_a, &p_cb->update_tout_b); |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2441 | |
| 2442 | /* Alloc cmd buf for retransmissions */ |
| 2443 | if (p_cb->p_cur_cmd_buf == NULL) |
| 2444 | { |
| 2445 | if ((p_cb->p_cur_cmd_buf = (BT_HDR *) GKI_getpoolbuf (NFC_RW_POOL_ID)) == NULL) |
| 2446 | { |
| 2447 | RW_TRACE_ERROR0 ("rw_t3t_select: unable to allocate buffer for retransmission"); |
| 2448 | p_cb->rw_state = RW_T3T_STATE_NOT_ACTIVATED; |
| 2449 | return (NFC_STATUS_FAILED); |
| 2450 | } |
| 2451 | } |
| 2452 | |
| 2453 | |
| 2454 | NFC_SetStaticRfCback (rw_t3t_conn_cback); |
| 2455 | |
| 2456 | return NFC_STATUS_OK; |
| 2457 | } |
| 2458 | |
| 2459 | |
| 2460 | /******************************************************************************* |
| 2461 | ** |
| 2462 | ** Function rw_t3t_unselect |
| 2463 | ** |
| 2464 | ** Description Called by NFC manager when a Type3 tag has been de-activated |
| 2465 | ** |
| 2466 | ** Returns NFC_STATUS_OK |
| 2467 | ** |
| 2468 | *******************************************************************************/ |
| 2469 | static tNFC_STATUS rw_t3t_unselect (UINT8 peer_nfcid2[]) |
| 2470 | { |
| 2471 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2472 | |
| 2473 | #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE)) |
| 2474 | /* Display stats */ |
| 2475 | rw_main_log_stats (); |
| 2476 | #endif /* RW_STATS_INCLUDED */ |
| 2477 | |
| 2478 | /* Stop t3t timer (if started) */ |
| 2479 | nfc_stop_quick_timer (&p_cb->timer); |
| 2480 | |
| 2481 | /* Free cmd buf for retransmissions */ |
| 2482 | if (p_cb->p_cur_cmd_buf) |
| 2483 | { |
| 2484 | GKI_freebuf (p_cb->p_cur_cmd_buf); |
| 2485 | p_cb->p_cur_cmd_buf = NULL; |
| 2486 | } |
| 2487 | |
| 2488 | p_cb->rw_state = RW_T3T_STATE_NOT_ACTIVATED; |
| 2489 | NFC_SetStaticRfCback (NULL); |
| 2490 | |
| 2491 | return NFC_STATUS_OK; |
| 2492 | } |
| 2493 | |
Evan Chu | a24be4f | 2013-11-13 15:30:16 -0500 | [diff] [blame] | 2494 | /******************************************************************************* |
| 2495 | ** |
| 2496 | ** Function rw_t3t_update_ndef_flag |
| 2497 | ** |
| 2498 | ** Description set additional NDEF Flags for felica lite tag |
| 2499 | ** |
| 2500 | ** Returns updated NDEF Flag value |
| 2501 | ** |
| 2502 | *******************************************************************************/ |
| 2503 | static void rw_t3t_update_ndef_flag (UINT8 *p_flag) |
| 2504 | { |
| 2505 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2506 | UINT8 xx; |
| 2507 | |
| 2508 | for (xx = 0; xx < p_cb->num_system_codes; xx++) |
| 2509 | { |
| 2510 | if (p_cb->system_codes[xx] == T3T_SYSTEM_CODE_FELICA_LITE) |
| 2511 | { |
| 2512 | *p_flag &= ~RW_NDEF_FL_UNKNOWN; |
| 2513 | *p_flag |= (RW_NDEF_FL_SUPPORTED | RW_NDEF_FL_FORMATABLE); |
| 2514 | break; |
| 2515 | } |
| 2516 | } |
| 2517 | } |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2518 | |
| 2519 | #if (BT_TRACE_VERBOSE == TRUE) |
| 2520 | /******************************************************************************* |
| 2521 | ** |
| 2522 | ** Function rw_t3t_cmd_str |
| 2523 | ** |
| 2524 | ** Description Converts cmd_id to command string for logging |
| 2525 | ** |
| 2526 | ** Returns command string |
| 2527 | ** |
| 2528 | *******************************************************************************/ |
| 2529 | static char *rw_t3t_cmd_str (UINT8 cmd_id) |
| 2530 | { |
| 2531 | switch (cmd_id) |
| 2532 | { |
| 2533 | case RW_T3T_CMD_DETECT_NDEF: |
| 2534 | return "RW_T3T_CMD_DETECT_NDEF"; |
| 2535 | |
| 2536 | case RW_T3T_CMD_CHECK_NDEF: |
| 2537 | return "RW_T3T_CMD_CHECK_NDEF"; |
| 2538 | |
| 2539 | case RW_T3T_CMD_UPDATE_NDEF: |
| 2540 | return "RW_T3T_CMD_UPDATE_NDEF"; |
| 2541 | |
| 2542 | case RW_T3T_CMD_CHECK: |
| 2543 | return "RW_T3T_CMD_CHECK"; |
| 2544 | |
| 2545 | case RW_T3T_CMD_UPDATE: |
| 2546 | return "RW_T3T_CMD_UPDATE"; |
| 2547 | |
| 2548 | case RW_T3T_CMD_SEND_RAW_FRAME: |
| 2549 | return "RW_T3T_CMD_SEND_RAW_FRAME"; |
| 2550 | |
| 2551 | case RW_T3T_CMD_GET_SYSTEM_CODES: |
| 2552 | return "RW_T3T_CMD_GET_SYSTEM_CODES"; |
| 2553 | |
| 2554 | default: |
| 2555 | return "Unknown"; |
| 2556 | } |
| 2557 | } |
| 2558 | |
| 2559 | |
| 2560 | /******************************************************************************* |
| 2561 | ** |
| 2562 | ** Function rw_t3t_state_str |
| 2563 | ** |
| 2564 | ** Description Converts state_id to command string for logging |
| 2565 | ** |
| 2566 | ** Returns command string |
| 2567 | ** |
| 2568 | *******************************************************************************/ |
| 2569 | static char *rw_t3t_state_str (UINT8 state_id) |
| 2570 | { |
| 2571 | switch (state_id) |
| 2572 | { |
| 2573 | case RW_T3T_STATE_NOT_ACTIVATED: |
| 2574 | return "RW_T3T_STATE_NOT_ACTIVATED"; |
| 2575 | |
| 2576 | case RW_T3T_STATE_IDLE: |
| 2577 | return "RW_T3T_STATE_IDLE"; |
| 2578 | |
| 2579 | case RW_T3T_STATE_COMMAND_PENDING: |
| 2580 | return "RW_T3T_STATE_COMMAND_PENDING"; |
| 2581 | |
| 2582 | default: |
| 2583 | return "Unknown"; |
| 2584 | } |
| 2585 | } |
| 2586 | #endif |
| 2587 | |
| 2588 | /***************************************************************************** |
| 2589 | ** Type3 Tag API Functions |
| 2590 | *****************************************************************************/ |
| 2591 | |
| 2592 | |
| 2593 | /***************************************************************************** |
| 2594 | ** |
| 2595 | ** Function RW_T3tDetectNDef |
| 2596 | ** |
| 2597 | ** Description |
| 2598 | ** This function is used to perform NDEF detection on a Type 3 tag, and |
| 2599 | ** retrieve the tag's NDEF attribute information (block 0). |
| 2600 | ** |
| 2601 | ** Before using this API, the application must call RW_SelectTagType to |
| 2602 | ** indicate that a Type 3 tag has been activated, and to provide the |
| 2603 | ** tag's Manufacture ID (IDm) . |
| 2604 | ** |
| 2605 | ** Returns |
| 2606 | ** NFC_STATUS_OK: ndef detection procedure started |
| 2607 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2608 | ** NFC_STATUS_FAILED: other error |
| 2609 | ** |
| 2610 | *****************************************************************************/ |
| 2611 | tNFC_STATUS RW_T3tDetectNDef (void) |
| 2612 | { |
| 2613 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2614 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2615 | |
| 2616 | RW_TRACE_API0 ("RW_T3tDetectNDef"); |
| 2617 | |
| 2618 | /* Check if we are in valid state to handle this API */ |
| 2619 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2620 | { |
| 2621 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2622 | return (NFC_STATUS_FAILED); |
| 2623 | } |
| 2624 | |
The Android Open Source Project | 808ebf8 | 2012-12-13 15:18:55 -0800 | [diff] [blame] | 2625 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (T3T_SYSTEM_CODE_NDEF, 0, 0)) == NCI_STATUS_OK) |
The Android Open Source Project | e9df6ba | 2012-12-13 14:55:37 -0800 | [diff] [blame] | 2626 | { |
| 2627 | p_cb->cur_cmd = RW_T3T_CMD_DETECT_NDEF; |
| 2628 | p_cb->cur_tout = RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS; |
| 2629 | p_cb->cur_poll_rc = 0; |
| 2630 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 2631 | p_cb->flags |= RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP; |
| 2632 | |
| 2633 | /* start timer for waiting for responses */ |
| 2634 | rw_t3t_start_poll_timer (p_cb); |
| 2635 | } |
| 2636 | |
| 2637 | return (retval); |
| 2638 | } |
| 2639 | |
| 2640 | |
| 2641 | /***************************************************************************** |
| 2642 | ** |
| 2643 | ** Function RW_T3tCheckNDef |
| 2644 | ** |
| 2645 | ** Description |
| 2646 | ** Retrieve NDEF contents from a Type3 tag. |
| 2647 | ** |
| 2648 | ** The RW_T3T_CHECK_EVT event is used to notify the application for each |
| 2649 | ** segment of NDEF data received. The RW_T3T_CHECK_CPLT_EVT event is used to |
| 2650 | ** notify the application all segments have been received. |
| 2651 | ** |
| 2652 | ** Before using this API, the RW_T3tDetectNDef function must be called to |
| 2653 | ** verify that the tag contains NDEF data, and to retrieve the NDEF |
| 2654 | ** attributes. |
| 2655 | ** |
| 2656 | ** Internally, this command will be separated into multiple Tag 3 Check |
| 2657 | ** commands (if necessary) - depending on the tag's Nbr (max number of |
| 2658 | ** blocks per read) attribute. |
| 2659 | ** |
| 2660 | ** Returns |
| 2661 | ** NFC_STATUS_OK: check command started |
| 2662 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2663 | ** NFC_STATUS_FAILED: other error |
| 2664 | ** |
| 2665 | *****************************************************************************/ |
| 2666 | tNFC_STATUS RW_T3tCheckNDef (void) |
| 2667 | { |
| 2668 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2669 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2670 | |
| 2671 | RW_TRACE_API0 ("RW_T3tCheckNDef"); |
| 2672 | |
| 2673 | /* Check if we are in valid state to handle this API */ |
| 2674 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2675 | { |
| 2676 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2677 | return (NFC_STATUS_FAILED); |
| 2678 | } |
| 2679 | else if (p_cb->ndef_attrib.status != NFC_STATUS_OK) /* NDEF detection not performed yet? */ |
| 2680 | { |
| 2681 | RW_TRACE_ERROR0 ("Error: NDEF detection not performed yet"); |
| 2682 | return (NFC_STATUS_NOT_INITIALIZED); |
| 2683 | } |
| 2684 | else if (p_cb->ndef_attrib.ln == 0) |
| 2685 | { |
| 2686 | RW_TRACE_ERROR0 ("Type 3 tag contains empty NDEF message"); |
| 2687 | return (NFC_STATUS_FAILED); |
| 2688 | } |
| 2689 | |
| 2690 | /* Check number of blocks needed for this update */ |
| 2691 | p_cb->flags &= ~RW_T3T_FL_IS_FINAL_NDEF_SEGMENT; |
| 2692 | p_cb->ndef_rx_offset = 0; |
| 2693 | retval = rw_t3t_send_next_ndef_check_cmd (p_cb); |
| 2694 | |
| 2695 | return (retval); |
| 2696 | } |
| 2697 | |
| 2698 | /***************************************************************************** |
| 2699 | ** |
| 2700 | ** Function RW_T3tUpdateNDef |
| 2701 | ** |
| 2702 | ** Description |
| 2703 | ** Write NDEF contents to a Type3 tag. |
| 2704 | ** |
| 2705 | ** The RW_T3T_UPDATE_CPLT_EVT callback event will be used to notify the |
| 2706 | ** application of the response. |
| 2707 | ** |
| 2708 | ** Before using this API, the RW_T3tDetectNDef function must be called to |
| 2709 | ** verify that the tag contains NDEF data, and to retrieve the NDEF |
| 2710 | ** attributes. |
| 2711 | ** |
| 2712 | ** Internally, this command will be separated into multiple Tag 3 Update |
| 2713 | ** commands (if necessary) - depending on the tag's Nbw (max number of |
| 2714 | ** blocks per write) attribute. |
| 2715 | ** |
| 2716 | ** Returns |
| 2717 | ** NFC_STATUS_OK: check command started |
| 2718 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2719 | ** NFC_STATUS_REFUSED: tag is read-only |
| 2720 | ** NFC_STATUS_BUFFER_FULL: len exceeds tag's maximum size |
| 2721 | ** NFC_STATUS_FAILED: other error |
| 2722 | ** |
| 2723 | *****************************************************************************/ |
| 2724 | tNFC_STATUS RW_T3tUpdateNDef (UINT32 len, UINT8 *p_data) |
| 2725 | { |
| 2726 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2727 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2728 | |
| 2729 | RW_TRACE_API1 ("RW_T3tUpdateNDef (len=%i)", len); |
| 2730 | |
| 2731 | /* Check if we are in valid state to handle this API */ |
| 2732 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2733 | { |
| 2734 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2735 | return (NFC_STATUS_FAILED); |
| 2736 | } |
| 2737 | else if (p_cb->ndef_attrib.status != NFC_STATUS_OK) /* NDEF detection not performed yet? */ |
| 2738 | { |
| 2739 | RW_TRACE_ERROR0 ("Error: NDEF detection not performed yet"); |
| 2740 | return (NFC_STATUS_NOT_INITIALIZED); |
| 2741 | } |
| 2742 | else if (len > (((UINT32)p_cb->ndef_attrib.nmaxb) * 16)) /* Len exceed's tag's NDEF memory? */ |
| 2743 | { |
| 2744 | return (NFC_STATUS_BUFFER_FULL); |
| 2745 | } |
| 2746 | else if (p_cb->ndef_attrib.rwflag == T3T_MSG_NDEF_RWFLAG_RO)/* Tag's NDEF memory is read-only? */ |
| 2747 | { |
| 2748 | return (NFC_STATUS_REFUSED); |
| 2749 | } |
| 2750 | |
| 2751 | /* Check number of blocks needed for this update */ |
| 2752 | p_cb->flags &= ~RW_T3T_FL_IS_FINAL_NDEF_SEGMENT; |
| 2753 | p_cb->ndef_msg_bytes_sent = 0; |
| 2754 | p_cb->ndef_msg_len = len; |
| 2755 | p_cb->ndef_msg = p_data; |
| 2756 | |
| 2757 | /* Send initial UPDATE command for NDEF Attribute Info */ |
| 2758 | retval = rw_t3t_send_update_ndef_attribute_cmd (p_cb, TRUE); |
| 2759 | |
| 2760 | return (retval); |
| 2761 | } |
| 2762 | |
| 2763 | /***************************************************************************** |
| 2764 | ** |
| 2765 | ** Function RW_T3tCheck |
| 2766 | ** |
| 2767 | ** Description |
| 2768 | ** Read (non-NDEF) contents from a Type3 tag. |
| 2769 | ** |
| 2770 | ** The RW_READ_EVT event is used to notify the application for each |
| 2771 | ** segment of NDEF data received. The RW_READ_CPLT_EVT event is used to |
| 2772 | ** notify the application all segments have been received. |
| 2773 | ** |
| 2774 | ** Before using this API, the application must call RW_SelectTagType to |
| 2775 | ** indicate that a Type 3 tag has been activated, and to provide the |
| 2776 | ** tag's Manufacture ID (IDm) . |
| 2777 | ** |
| 2778 | ** Returns |
| 2779 | ** NFC_STATUS_OK: check command started |
| 2780 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2781 | ** NFC_STATUS_FAILED: other error |
| 2782 | ** |
| 2783 | *****************************************************************************/ |
| 2784 | tNFC_STATUS RW_T3tCheck (UINT8 num_blocks, tT3T_BLOCK_DESC *t3t_blocks) |
| 2785 | { |
| 2786 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2787 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2788 | |
| 2789 | RW_TRACE_API1 ("RW_T3tCheck (num_blocks = %i)", num_blocks); |
| 2790 | |
| 2791 | /* Check if we are in valid state to handle this API */ |
| 2792 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2793 | { |
| 2794 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2795 | return (NFC_STATUS_FAILED); |
| 2796 | } |
| 2797 | |
| 2798 | /* Send the CHECK command */ |
| 2799 | retval = rw_t3t_send_check_cmd (p_cb, num_blocks, t3t_blocks); |
| 2800 | |
| 2801 | return (retval); |
| 2802 | } |
| 2803 | |
| 2804 | /***************************************************************************** |
| 2805 | ** |
| 2806 | ** Function RW_T3tUpdate |
| 2807 | ** |
| 2808 | ** Description |
| 2809 | ** Write (non-NDEF) contents to a Type3 tag. |
| 2810 | ** |
| 2811 | ** The RW_WRITE_CPLT_EVT event is used to notify the application all |
| 2812 | ** segments have been received. |
| 2813 | ** |
| 2814 | ** Before using this API, the application must call RW_SelectTagType to |
| 2815 | ** indicate that a Type 3 tag has been activated, and to provide the tag's |
| 2816 | ** Manufacture ID (IDm) . |
| 2817 | ** |
| 2818 | ** Returns |
| 2819 | ** NFC_STATUS_OK: check command started |
| 2820 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2821 | ** NFC_STATUS_FAILED: other error |
| 2822 | ** |
| 2823 | *****************************************************************************/ |
| 2824 | tNFC_STATUS RW_T3tUpdate (UINT8 num_blocks, tT3T_BLOCK_DESC *t3t_blocks, UINT8 *p_data) |
| 2825 | { |
| 2826 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2827 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2828 | |
| 2829 | RW_TRACE_API1 ("RW_T3tUpdate (num_blocks = %i)", num_blocks); |
| 2830 | |
| 2831 | /* Check if we are in valid state to handle this API */ |
| 2832 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2833 | { |
| 2834 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2835 | return (NFC_STATUS_FAILED); |
| 2836 | } |
| 2837 | |
| 2838 | /* Send the UPDATE command */ |
| 2839 | retval = rw_t3t_send_update_cmd (p_cb, num_blocks, t3t_blocks, p_data); |
| 2840 | |
| 2841 | return (retval); |
| 2842 | } |
| 2843 | |
| 2844 | /***************************************************************************** |
| 2845 | ** |
| 2846 | ** Function RW_T3tPresenceCheck |
| 2847 | ** |
| 2848 | ** Description |
| 2849 | ** Check if the tag is still in the field. |
| 2850 | ** |
| 2851 | ** The RW_T3T_PRESENCE_CHECK_EVT w/ status is used to indicate presence |
| 2852 | ** or non-presence. |
| 2853 | ** |
| 2854 | ** Returns |
| 2855 | ** NFC_STATUS_OK, if raw data frame sent |
| 2856 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2857 | ** NFC_STATUS_FAILED: other error |
| 2858 | ** |
| 2859 | *****************************************************************************/ |
| 2860 | tNFC_STATUS RW_T3tPresenceCheck (void) |
| 2861 | { |
| 2862 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2863 | tRW_DATA evt_data; |
| 2864 | tRW_CB *p_rw_cb = &rw_cb; |
| 2865 | |
| 2866 | RW_TRACE_API0 ("RW_T3tPresenceCheck"); |
| 2867 | |
| 2868 | /* If RW_SelectTagType was not called (no conn_callback) return failure */ |
| 2869 | if (!(p_rw_cb->p_cback)) |
| 2870 | { |
| 2871 | retval = NFC_STATUS_FAILED; |
| 2872 | } |
| 2873 | /* If we are not activated, then RW_T3T_PRESENCE_CHECK_EVT status=FAIL */ |
| 2874 | else if (p_rw_cb->tcb.t3t.rw_state == RW_T3T_STATE_NOT_ACTIVATED) |
| 2875 | { |
| 2876 | evt_data.status = NFC_STATUS_FAILED; |
| 2877 | (*p_rw_cb->p_cback) (RW_T3T_PRESENCE_CHECK_EVT, &evt_data); |
| 2878 | } |
| 2879 | /* If command is pending */ |
| 2880 | else if (p_rw_cb->tcb.t3t.rw_state == RW_T3T_STATE_COMMAND_PENDING) |
| 2881 | { |
| 2882 | /* If already performing presence check, return error */ |
| 2883 | if (p_rw_cb->tcb.t3t.flags & RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP) |
| 2884 | { |
| 2885 | RW_TRACE_DEBUG0 ("RW_T3tPresenceCheck already in progress"); |
| 2886 | retval = NFC_STATUS_FAILED; |
| 2887 | } |
| 2888 | /* If busy with any other command, assume that the tag is present */ |
| 2889 | else |
| 2890 | { |
| 2891 | evt_data.status = NFC_STATUS_OK; |
| 2892 | (*p_rw_cb->p_cback) (RW_T3T_PRESENCE_CHECK_EVT, &evt_data); |
| 2893 | } |
| 2894 | } |
| 2895 | else |
| 2896 | { |
| 2897 | /* IDLE state: send POLL command */ |
| 2898 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (0xFFFF, T3T_POLL_RC_SC, 0)) == NCI_STATUS_OK) |
| 2899 | { |
| 2900 | p_rw_cb->tcb.t3t.flags |= RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP; |
| 2901 | p_rw_cb->tcb.t3t.rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 2902 | p_rw_cb->tcb.t3t.cur_poll_rc = 0; |
| 2903 | |
| 2904 | /* start timer for waiting for responses */ |
| 2905 | rw_t3t_start_poll_timer (&p_rw_cb->tcb.t3t); |
| 2906 | } |
| 2907 | else |
| 2908 | { |
| 2909 | RW_TRACE_DEBUG1 ("RW_T3tPresenceCheck error sending NCI_RF_T3T_POLLING cmd (status = 0x%0x)", retval); |
| 2910 | } |
| 2911 | } |
| 2912 | |
| 2913 | return (retval); |
| 2914 | } |
| 2915 | |
| 2916 | /***************************************************************************** |
| 2917 | ** |
| 2918 | ** Function RW_T3tPoll |
| 2919 | ** |
| 2920 | ** Description |
| 2921 | ** Send POLL command |
| 2922 | ** |
| 2923 | ** Returns |
| 2924 | ** NFC_STATUS_OK, if raw data frame sent |
| 2925 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2926 | ** NFC_STATUS_FAILED: other error |
| 2927 | ** |
| 2928 | *****************************************************************************/ |
| 2929 | tNFC_STATUS RW_T3tPoll (UINT16 system_code, tT3T_POLL_RC rc, UINT8 tsn) |
| 2930 | { |
| 2931 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2932 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2933 | |
| 2934 | RW_TRACE_API0 ("RW_T3tPoll"); |
| 2935 | |
| 2936 | /* Check if we are in valid state to handle this API */ |
| 2937 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2938 | { |
| 2939 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2940 | return (NFC_STATUS_FAILED); |
| 2941 | } |
| 2942 | |
| 2943 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (system_code, (UINT8) rc, tsn)) == NCI_STATUS_OK) |
| 2944 | { |
| 2945 | /* start timer for waiting for responses */ |
| 2946 | p_cb->cur_poll_rc = rc; |
| 2947 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 2948 | rw_t3t_start_poll_timer (p_cb); |
| 2949 | } |
| 2950 | |
| 2951 | |
| 2952 | return (retval); |
| 2953 | } |
| 2954 | |
| 2955 | /***************************************************************************** |
| 2956 | ** |
| 2957 | ** Function RW_T3tSendRawFrame |
| 2958 | ** |
| 2959 | ** Description |
| 2960 | ** This function is called to send a raw data frame to the peer device. |
| 2961 | ** When type 3 tag receives response from peer, the callback function |
| 2962 | ** will be called with a RW_T3T_RAW_FRAME_EVT [Table 6]. |
| 2963 | ** |
| 2964 | ** Before using this API, the application must call RW_SelectTagType to |
| 2965 | ** indicate that a Type 3 tag has been activated. |
| 2966 | ** |
| 2967 | ** The raw frame should be a properly formatted Type 3 tag message. |
| 2968 | ** |
| 2969 | ** Returns |
| 2970 | ** NFC_STATUS_OK, if raw data frame sent |
| 2971 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 2972 | ** NFC_STATUS_FAILED: other error |
| 2973 | ** |
| 2974 | *****************************************************************************/ |
| 2975 | tNFC_STATUS RW_T3tSendRawFrame (UINT16 len, UINT8 *p_data) |
| 2976 | { |
| 2977 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 2978 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 2979 | |
| 2980 | RW_TRACE_API1 ("RW_T3tSendRawFrame (len = %i)", len); |
| 2981 | |
| 2982 | /* Check if we are in valid state to handle this API */ |
| 2983 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 2984 | { |
| 2985 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 2986 | return (NFC_STATUS_FAILED); |
| 2987 | } |
| 2988 | |
| 2989 | /* Send the UPDATE command */ |
| 2990 | retval = rw_t3t_send_raw_frame (p_cb, len ,p_data); |
| 2991 | |
| 2992 | return (retval); |
| 2993 | } |
| 2994 | |
| 2995 | /***************************************************************************** |
| 2996 | ** |
| 2997 | ** Function RW_T3tGetSystemCodes |
| 2998 | ** |
| 2999 | ** Description |
| 3000 | ** Get systems codes supported by the activated tag: |
| 3001 | ** Poll for wildcard (FFFF): |
| 3002 | ** - If felica-lite code then poll for ndef (12fc) |
| 3003 | ** - Otherwise send RequestSystmCode command to get |
| 3004 | ** system codes. |
| 3005 | ** |
| 3006 | ** Before using this API, the application must call RW_SelectTagType to |
| 3007 | ** indicate that a Type 3 tag has been activated. |
| 3008 | ** |
| 3009 | ** Returns |
| 3010 | ** NFC_STATUS_OK, if raw data frame sent |
| 3011 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 3012 | ** NFC_STATUS_FAILED: other error |
| 3013 | ** |
| 3014 | *****************************************************************************/ |
| 3015 | tNFC_STATUS RW_T3tGetSystemCodes (void) |
| 3016 | { |
| 3017 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 3018 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 3019 | |
| 3020 | RW_TRACE_API0 ("RW_T3tGetSystemCodes"); |
| 3021 | |
| 3022 | /* Check if we are in valid state to handle this API */ |
| 3023 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 3024 | { |
| 3025 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 3026 | return (NFC_STATUS_FAILED); |
| 3027 | } |
| 3028 | else |
| 3029 | { |
| 3030 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (0xFFFF, T3T_POLL_RC_SC, 0)) == NCI_STATUS_OK) |
| 3031 | { |
| 3032 | p_cb->cur_cmd = RW_T3T_CMD_GET_SYSTEM_CODES; |
| 3033 | p_cb->cur_tout = RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS; |
| 3034 | p_cb->cur_poll_rc = T3T_POLL_RC_SC; |
| 3035 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 3036 | p_cb->rw_substate = RW_T3T_GET_SC_SST_POLL_WILDCARD; |
| 3037 | p_cb->flags |= RW_T3T_FL_W4_GET_SC_POLL_RSP; |
| 3038 | p_cb->num_system_codes = 0; |
| 3039 | |
| 3040 | /* start timer for waiting for responses */ |
| 3041 | rw_t3t_start_poll_timer (p_cb); |
| 3042 | } |
| 3043 | } |
| 3044 | |
| 3045 | |
| 3046 | |
| 3047 | return (retval); |
| 3048 | } |
| 3049 | |
| 3050 | /***************************************************************************** |
| 3051 | ** |
| 3052 | ** Function RW_T3tFormatNDef |
| 3053 | ** |
| 3054 | ** Description |
| 3055 | ** Format a type-3 tag for NDEF. |
| 3056 | ** |
| 3057 | ** Only Felica-Lite tags are supported by this API. The |
| 3058 | ** RW_T3T_FORMAT_CPLT_EVT is used to notify the status of the operation. |
| 3059 | ** |
| 3060 | ** Returns |
| 3061 | ** NFC_STATUS_OK: ndef detection procedure started |
| 3062 | ** NFC_STATUS_NO_BUFFERS: unable to allocate a buffer for this operation |
| 3063 | ** NFC_STATUS_FAILED: other error |
| 3064 | ** |
| 3065 | *****************************************************************************/ |
| 3066 | tNFC_STATUS RW_T3tFormatNDef (void) |
| 3067 | { |
| 3068 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 3069 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 3070 | |
| 3071 | RW_TRACE_API0 ("RW_T3tFormatNDef"); |
| 3072 | |
| 3073 | /* Check if we are in valid state to handle this API */ |
| 3074 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 3075 | { |
| 3076 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 3077 | return (NFC_STATUS_FAILED); |
| 3078 | } |
| 3079 | else |
| 3080 | { |
| 3081 | /* Poll tag, to see if Felica-Lite system is supported */ |
| 3082 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (T3T_SYSTEM_CODE_FELICA_LITE, T3T_POLL_RC_SC, 0)) == NCI_STATUS_OK) |
| 3083 | { |
| 3084 | p_cb->cur_cmd = RW_T3T_CMD_FORMAT; |
| 3085 | p_cb->cur_tout = RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS; |
| 3086 | p_cb->cur_poll_rc = T3T_POLL_RC_SC; |
| 3087 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 3088 | p_cb->rw_substate = RW_T3T_FMT_SST_POLL_FELICA_LITE; |
| 3089 | p_cb->flags |= RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP; |
| 3090 | |
| 3091 | /* start timer for waiting for responses */ |
| 3092 | rw_t3t_start_poll_timer (p_cb); |
| 3093 | } |
| 3094 | } |
| 3095 | |
| 3096 | |
| 3097 | |
| 3098 | return (retval); |
| 3099 | } |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 3100 | |
| 3101 | /***************************************************************************** |
| 3102 | ** |
| 3103 | ** Function RW_T3tSetReadOnly |
| 3104 | ** |
| 3105 | ** Description This function performs NDEF read-only procedure |
| 3106 | ** Note: Only Felica-Lite tags are supported by this API. |
| 3107 | ** RW_T3tDetectNDef() must be called before using this |
| 3108 | ** |
| 3109 | ** The RW_T3T_SET_READ_ONLY_CPLT_EVT event will be returned. |
| 3110 | ** |
| 3111 | ** Returns NFC_STATUS_OK if success |
| 3112 | ** NFC_STATUS_FAILED if T3T is busy or other error |
| 3113 | ** |
| 3114 | *****************************************************************************/ |
| 3115 | tNFC_STATUS RW_T3tSetReadOnly (BOOLEAN b_hard_lock) |
| 3116 | { |
| 3117 | tNFC_STATUS retval = NFC_STATUS_OK; |
| 3118 | tRW_T3T_CB *p_cb = &rw_cb.tcb.t3t; |
| 3119 | tRW_DATA evt_data; |
| 3120 | |
Evan Chu | 7c69b27 | 2013-05-14 12:48:36 -0400 | [diff] [blame] | 3121 | RW_TRACE_API1 ("RW_T3tSetReadOnly (): b_hard_lock=%d", b_hard_lock); |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 3122 | |
| 3123 | /* Check if we are in valid state to handle this API */ |
| 3124 | if (p_cb->rw_state != RW_T3T_STATE_IDLE) |
| 3125 | { |
| 3126 | RW_TRACE_ERROR1 ("Error: invalid state to handle API (0x%x)", p_cb->rw_state); |
| 3127 | return (NFC_STATUS_FAILED); |
| 3128 | } |
| 3129 | |
| 3130 | if (p_cb->ndef_attrib.status != NFC_STATUS_OK) /* NDEF detection not performed yet? */ |
| 3131 | { |
| 3132 | RW_TRACE_ERROR0 ("Error: NDEF detection not performed yet"); |
| 3133 | return (NFC_STATUS_NOT_INITIALIZED); |
| 3134 | } |
| 3135 | |
| 3136 | if ((!b_hard_lock) && (p_cb->ndef_attrib.rwflag == T3T_MSG_NDEF_RWFLAG_RO))/* Tag's NDEF memory is read-only already */ |
| 3137 | { |
| 3138 | evt_data.status = NFC_STATUS_OK; |
Evan Chu | 7c69b27 | 2013-05-14 12:48:36 -0400 | [diff] [blame] | 3139 | (*(rw_cb.p_cback)) (RW_T3T_SET_READ_ONLY_CPLT_EVT, &evt_data); |
Martijn Coenen | 5c65c3a | 2013-03-27 13:23:36 -0700 | [diff] [blame] | 3140 | return (retval); |
| 3141 | } |
| 3142 | else |
| 3143 | { |
| 3144 | /* Poll tag, to see if Felica-Lite system is supported */ |
| 3145 | if ((retval = (tNFC_STATUS) nci_snd_t3t_polling (T3T_SYSTEM_CODE_FELICA_LITE, T3T_POLL_RC_SC, 0)) == NCI_STATUS_OK) |
| 3146 | { |
| 3147 | if (b_hard_lock) |
| 3148 | p_cb->cur_cmd = RW_T3T_CMD_SET_READ_ONLY_HARD; |
| 3149 | else |
| 3150 | p_cb->cur_cmd = RW_T3T_CMD_SET_READ_ONLY_SOFT; |
| 3151 | p_cb->cur_tout = RW_T3T_DEFAULT_CMD_TIMEOUT_TICKS; |
| 3152 | p_cb->cur_poll_rc = T3T_POLL_RC_SC; |
| 3153 | p_cb->rw_state = RW_T3T_STATE_COMMAND_PENDING; |
| 3154 | p_cb->rw_substate = RW_T3T_SRO_SST_POLL_FELICA_LITE; |
| 3155 | p_cb->flags |= RW_T3T_FL_W4_SRO_FELICA_LITE_POLL_RSP; |
| 3156 | |
| 3157 | /* start timer for waiting for responses */ |
| 3158 | rw_t3t_start_poll_timer (p_cb); |
| 3159 | } |
| 3160 | } |
| 3161 | return (retval); |
| 3162 | } |