| /****************************************************************************** |
| * |
| * Copyright (C) 2011-2014 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains the implementation for ISO 15693 in Reader/Writer |
| * mode. |
| * |
| ******************************************************************************/ |
| #include <log/log.h> |
| #include <string.h> |
| |
| #include <android-base/stringprintf.h> |
| #include <base/logging.h> |
| |
| #include "nfc_target.h" |
| |
| #include "bt_types.h" |
| #include "nfc_api.h" |
| #include "nfc_int.h" |
| #include "rw_api.h" |
| #include "rw_int.h" |
| #include "trace_api.h" |
| |
| using android::base::StringPrintf; |
| |
| extern bool nfc_debug_enabled; |
| |
| /* Response timeout */ |
| #define RW_I93_TOUT_RESP 1000 |
| /* stay quiet timeout */ |
| #define RW_I93_TOUT_STAY_QUIET 200 |
| /* max reading data if read multi block is supported */ |
| #define RW_I93_READ_MULTI_BLOCK_SIZE 128 |
| /* CC, zero length NDEF, Terminator TLV */ |
| #define RW_I93_FORMAT_DATA_LEN 8 |
| /* max getting lock status if get multi block sec is supported */ |
| #define RW_I93_GET_MULTI_BLOCK_SEC_SIZE 253 |
| |
| /* main state */ |
| enum { |
| RW_I93_STATE_NOT_ACTIVATED, /* ISO15693 is not activated */ |
| RW_I93_STATE_IDLE, /* waiting for upper layer API */ |
| RW_I93_STATE_BUSY, /* waiting for response from tag */ |
| |
| RW_I93_STATE_DETECT_NDEF, /* performing NDEF detection precedure */ |
| RW_I93_STATE_READ_NDEF, /* performing read NDEF procedure */ |
| RW_I93_STATE_UPDATE_NDEF, /* performing update NDEF procedure */ |
| RW_I93_STATE_FORMAT, /* performing format procedure */ |
| RW_I93_STATE_SET_READ_ONLY, /* performing set read-only procedure */ |
| |
| RW_I93_STATE_PRESENCE_CHECK /* checking presence of tag */ |
| }; |
| |
| /* sub state */ |
| enum { |
| RW_I93_SUBSTATE_WAIT_UID, /* waiting for response of inventory */ |
| RW_I93_SUBSTATE_WAIT_SYS_INFO, /* waiting for response of get sys info */ |
| RW_I93_SUBSTATE_WAIT_CC, /* waiting for reading CC */ |
| RW_I93_SUBSTATE_SEARCH_NDEF_TLV, /* searching NDEF TLV */ |
| RW_I93_SUBSTATE_CHECK_LOCK_STATUS, /* check if any NDEF TLV is locked */ |
| |
| RW_I93_SUBSTATE_RESET_LEN, /* set length to 0 to update NDEF TLV */ |
| RW_I93_SUBSTATE_WRITE_NDEF, /* writing NDEF and Terminator TLV */ |
| RW_I93_SUBSTATE_UPDATE_LEN, /* set length into NDEF TLV */ |
| |
| RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI, /* reset DSFID and AFI */ |
| RW_I93_SUBSTATE_CHECK_READ_ONLY, /* check if any block is locked */ |
| RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV, /* write CC and empty NDEF/Terminator TLV |
| */ |
| |
| RW_I93_SUBSTATE_WAIT_UPDATE_CC, /* updating CC as read-only */ |
| RW_I93_SUBSTATE_LOCK_NDEF_TLV, /* lock blocks of NDEF TLV */ |
| RW_I93_SUBSTATE_WAIT_LOCK_CC /* lock block of CC */ |
| }; |
| |
| static std::string rw_i93_get_state_name(uint8_t state); |
| static std::string rw_i93_get_sub_state_name(uint8_t sub_state); |
| static std::string rw_i93_get_tag_name(uint8_t product_version); |
| |
| static void rw_i93_data_cback(uint8_t conn_id, tNFC_CONN_EVT event, |
| tNFC_CONN* p_data); |
| void rw_i93_handle_error(tNFC_STATUS status); |
| tNFC_STATUS rw_i93_send_cmd_get_sys_info(uint8_t* p_uid, uint8_t extra_flag); |
| tNFC_STATUS rw_i93_send_cmd_get_ext_sys_info(uint8_t* p_uid); |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_get_product_version |
| ** |
| ** Description Get product version from UID |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_get_product_version(uint8_t* p_uid) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| |
| if (!memcmp(p_i93->uid, p_uid, I93_UID_BYTE_LEN)) { |
| return; |
| } |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| memcpy(p_i93->uid, p_uid, I93_UID_BYTE_LEN); |
| |
| if (p_uid[1] == I93_UID_IC_MFG_CODE_NXP) { |
| if (p_uid[2] == I93_UID_ICODE_SLI) |
| p_i93->product_version = RW_I93_ICODE_SLI; |
| else if (p_uid[2] == I93_UID_ICODE_SLI_S) |
| p_i93->product_version = RW_I93_ICODE_SLI_S; |
| else if (p_uid[2] == I93_UID_ICODE_SLI_L) |
| p_i93->product_version = RW_I93_ICODE_SLI_L; |
| else |
| p_i93->product_version = RW_I93_UNKNOWN_PRODUCT; |
| } else if (p_uid[1] == I93_UID_IC_MFG_CODE_TI) { |
| if ((p_uid[2] & I93_UID_TAG_IT_HF_I_PRODUCT_ID_MASK) == |
| I93_UID_TAG_IT_HF_I_PLUS_INLAY) |
| p_i93->product_version = RW_I93_TAG_IT_HF_I_PLUS_INLAY; |
| else if ((p_uid[2] & I93_UID_TAG_IT_HF_I_PRODUCT_ID_MASK) == |
| I93_UID_TAG_IT_HF_I_PLUS_CHIP) |
| p_i93->product_version = RW_I93_TAG_IT_HF_I_PLUS_CHIP; |
| else if ((p_uid[2] & I93_UID_TAG_IT_HF_I_PRODUCT_ID_MASK) == |
| I93_UID_TAG_IT_HF_I_STD_CHIP_INLAY) |
| p_i93->product_version = RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY; |
| else if ((p_uid[2] & I93_UID_TAG_IT_HF_I_PRODUCT_ID_MASK) == |
| I93_UID_TAG_IT_HF_I_PRO_CHIP_INLAY) |
| p_i93->product_version = RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY; |
| else |
| p_i93->product_version = RW_I93_UNKNOWN_PRODUCT; |
| } else if ((p_uid[1] == I93_UID_IC_MFG_CODE_STM) && |
| (p_i93->info_flags & I93_INFO_FLAG_IC_REF)) { |
| if (p_i93->ic_reference == I93_IC_REF_STM_M24LR04E_R) |
| p_i93->product_version = RW_I93_STM_M24LR04E_R; |
| else if (p_i93->ic_reference == I93_IC_REF_STM_M24LR16E_R) |
| p_i93->product_version = RW_I93_STM_M24LR16E_R; |
| else if (p_i93->ic_reference == I93_IC_REF_STM_M24LR64E_R) |
| p_i93->product_version = RW_I93_STM_M24LR64E_R; |
| else if (p_i93->ic_reference == I93_IC_REF_STM_ST25DVHIK) |
| p_i93->product_version = RW_I93_STM_ST25DVHIK; |
| else if (p_i93->ic_reference == I93_IC_REF_STM_ST25DV04K) |
| p_i93->product_version = RW_I93_STM_ST25DV04K; |
| else { |
| switch (p_i93->ic_reference & I93_IC_REF_STM_MASK) { |
| case I93_IC_REF_STM_LRI1K: |
| p_i93->product_version = RW_I93_STM_LRI1K; |
| break; |
| case I93_IC_REF_STM_LRI2K: |
| p_i93->product_version = RW_I93_STM_LRI2K; |
| break; |
| case I93_IC_REF_STM_LRIS2K: |
| p_i93->product_version = RW_I93_STM_LRIS2K; |
| break; |
| case I93_IC_REF_STM_LRIS64K: |
| p_i93->product_version = RW_I93_STM_LRIS64K; |
| break; |
| case I93_IC_REF_STM_M24LR64_R: |
| p_i93->product_version = RW_I93_STM_M24LR64_R; |
| break; |
| default: |
| p_i93->product_version = RW_I93_UNKNOWN_PRODUCT; |
| break; |
| } |
| } |
| } else { |
| p_i93->product_version = RW_I93_UNKNOWN_PRODUCT; |
| } |
| |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("product_version = <%s>", |
| rw_i93_get_tag_name(p_i93->product_version).c_str()); |
| |
| switch (p_i93->product_version) { |
| case RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY: |
| case RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY: |
| /* these don't support Get System Information Command */ |
| /* these support only Inventory, Stay Quiet, Read Single Block, Write |
| * Single Block, Lock Block */ |
| p_i93->block_size = I93_TAG_IT_HF_I_STD_PRO_CHIP_INLAY_BLK_SIZE; |
| p_i93->num_block = I93_TAG_IT_HF_I_STD_PRO_CHIP_INLAY_NUM_USER_BLK; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_process_ext_sys_info |
| ** |
| ** Description Store extended system information of tag |
| ** |
| ** Returns FALSE if retrying with protocol extension flag |
| ** |
| *******************************************************************************/ |
| bool rw_i93_process_ext_sys_info(uint8_t* p_data) { |
| uint8_t* p = p_data; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| uint8_t uid[I93_UID_BYTE_LEN], *p_uid; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| STREAM_TO_UINT8(p_i93->info_flags, p); |
| |
| p_uid = uid; |
| STREAM_TO_ARRAY8(p_uid, p); |
| |
| if (p_i93->info_flags & I93_INFO_FLAG_DSFID) { |
| STREAM_TO_UINT8(p_i93->dsfid, p); |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_AFI) { |
| STREAM_TO_UINT8(p_i93->afi, p); |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_MEM_SIZE) { |
| STREAM_TO_UINT16(p_i93->num_block, p); |
| |
| /* it is one less than actual number of bytes */ |
| p_i93->num_block += 1; |
| |
| STREAM_TO_UINT8(p_i93->block_size, p); |
| /* it is one less than actual number of blocks */ |
| p_i93->block_size = (p_i93->block_size & 0x1F) + 1; |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_IC_REF) { |
| STREAM_TO_UINT8(p_i93->ic_reference, p); |
| |
| /* clear existing UID to set product version */ |
| p_i93->uid[0] = 0x00; |
| |
| /* store UID and get product version */ |
| rw_i93_get_product_version(p_uid); |
| |
| if (p_i93->uid[0] == I93_UID_FIRST_BYTE) { |
| if (p_i93->uid[1] == I93_UID_IC_MFG_CODE_STM) { |
| /* STM supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_EXT_COMMANDS; |
| } |
| } |
| } |
| return true; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_process_sys_info |
| ** |
| ** Description Store system information of tag |
| ** |
| ** Returns FALSE if retrying with protocol extension flag |
| ** |
| *******************************************************************************/ |
| bool rw_i93_process_sys_info(uint8_t* p_data) { |
| uint8_t* p = p_data; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| uint8_t uid[I93_UID_BYTE_LEN], *p_uid; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| STREAM_TO_UINT8(p_i93->info_flags, p); |
| |
| p_uid = uid; |
| STREAM_TO_ARRAY8(p_uid, p); |
| |
| if (p_i93->info_flags & I93_INFO_FLAG_DSFID) { |
| STREAM_TO_UINT8(p_i93->dsfid, p); |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_AFI) { |
| STREAM_TO_UINT8(p_i93->afi, p); |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_MEM_SIZE) { |
| if (p_i93->intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK) { |
| STREAM_TO_UINT16(p_i93->num_block, p); |
| } else { |
| STREAM_TO_UINT8(p_i93->num_block, p); |
| } |
| /* it is one less than actual number of bytes */ |
| p_i93->num_block += 1; |
| |
| STREAM_TO_UINT8(p_i93->block_size, p); |
| /* it is one less than actual number of blocks */ |
| p_i93->block_size = (p_i93->block_size & 0x1F) + 1; |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_IC_REF) { |
| STREAM_TO_UINT8(p_i93->ic_reference, p); |
| |
| /* clear existing UID to set product version */ |
| p_i93->uid[0] = 0x00; |
| |
| /* store UID and get product version */ |
| rw_i93_get_product_version(p_uid); |
| |
| if (p_i93->uid[0] == I93_UID_FIRST_BYTE) { |
| if ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference == I93_IC_REF_ICODE_SLI_L)) { |
| p_i93->num_block = 8; |
| p_i93->block_size = 4; |
| } else if (p_i93->uid[1] == I93_UID_IC_MFG_CODE_STM) { |
| /* |
| ** LRI1K: 010000xx(b), blockSize: 4, numberBlocks: 0x20 |
| ** LRI2K: 001000xx(b), blockSize: 4, numberBlocks: 0x40 |
| ** LRIS2K: 001010xx(b), blockSize: 4, numberBlocks: 0x40 |
| ** LRIS64K: 010001xx(b), blockSize: 4, numberBlocks: 0x800 |
| ** M24LR64-R: 001011xx(b), blockSize: 4, numberBlocks: 0x800 |
| ** M24LR04E-R: 01011010(b), blockSize: 4, numberBlocks: 0x80 |
| ** M24LR16E-R: 01001110(b), blockSize: 4, numberBlocks: 0x200 |
| ** M24LR64E-R: 01011110(b), blockSize: 4, numberBlocks: 0x800 |
| */ |
| if ((p_i93->product_version == RW_I93_STM_M24LR16E_R) || |
| (p_i93->product_version == RW_I93_STM_M24LR64E_R)) { |
| /* |
| ** M24LR16E-R or M24LR64E-R returns system information |
| ** without memory size, if option flag is not set. |
| ** LRIS64K and M24LR64-R return error if option flag is not |
| ** set. |
| */ |
| if (!(p_i93->intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK)) { |
| /* get memory size with protocol extension flag */ |
| if (rw_i93_send_cmd_get_sys_info(NULL, I93_FLAG_PROT_EXT_YES) == |
| NFC_STATUS_OK) { |
| /* STM supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_16BIT_NUM_BLOCK; |
| |
| return false; |
| } |
| } |
| } else if ((p_i93->product_version == RW_I93_STM_LRI2K) && |
| (p_i93->ic_reference == 0x21)) { |
| /* workaround of byte order in memory size information */ |
| p_i93->num_block = 64; |
| p_i93->block_size = 4; |
| } else if (!(p_i93->info_flags & I93_INFO_FLAG_MEM_SIZE)) { |
| if (!(p_i93->intl_flags & RW_I93_FLAG_EXT_COMMANDS)) { |
| if (rw_i93_send_cmd_get_ext_sys_info(NULL) == NFC_STATUS_OK) { |
| /* STM supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_EXT_COMMANDS; |
| |
| return false; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_check_sys_info_prot_ext |
| ** |
| ** Description Check if need to set protocol extension flag to get system |
| ** info |
| ** |
| ** Returns TRUE if sent Get System Info with protocol extension flag |
| ** |
| *******************************************************************************/ |
| bool rw_i93_check_sys_info_prot_ext(uint8_t error_code) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| if ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_STM) && |
| (p_i93->sent_cmd == I93_CMD_GET_SYS_INFO) && |
| (error_code == I93_ERROR_CODE_OPTION_NOT_SUPPORTED) && |
| (rw_i93_send_cmd_get_sys_info(NULL, I93_FLAG_PROT_EXT_YES) == |
| NFC_STATUS_OK)) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_to_upper |
| ** |
| ** Description Send response to upper layer |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_send_to_upper(NFC_HDR* p_resp) { |
| uint8_t *p = (uint8_t*)(p_resp + 1) + p_resp->offset, *p_uid; |
| uint16_t length = p_resp->len; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| uint8_t event = RW_I93_MAX_EVT; |
| uint8_t flags; |
| NFC_HDR* p_buff; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| if ((length) && (rw_i93_check_sys_info_prot_ext(*p))) { |
| /* getting system info with protocol extension flag */ |
| /* This STM tag supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_16BIT_NUM_BLOCK; |
| p_i93->state = RW_I93_STATE_BUSY; |
| } else { |
| /* notify error to upper layer */ |
| rw_data.i93_cmd_cmpl.status = NFC_STATUS_FAILED; |
| rw_data.i93_cmd_cmpl.command = p_i93->sent_cmd; |
| STREAM_TO_UINT8(rw_data.i93_cmd_cmpl.error_code, p); |
| |
| rw_cb.tcb.i93.sent_cmd = 0; |
| (*(rw_cb.p_cback))(RW_I93_CMD_CMPL_EVT, &rw_data); |
| } |
| return; |
| } |
| |
| switch (p_i93->sent_cmd) { |
| case I93_CMD_INVENTORY: |
| |
| /* forward inventory response */ |
| rw_data.i93_inventory.status = NFC_STATUS_OK; |
| STREAM_TO_UINT8(rw_data.i93_inventory.dsfid, p); |
| |
| p_uid = rw_data.i93_inventory.uid; |
| STREAM_TO_ARRAY8(p_uid, p); |
| |
| /* store UID and get product version */ |
| rw_i93_get_product_version(p_uid); |
| |
| event = RW_I93_INVENTORY_EVT; |
| break; |
| |
| case I93_CMD_READ_SINGLE_BLOCK: |
| case I93_CMD_EXT_READ_SINGLE_BLOCK: |
| case I93_CMD_READ_MULTI_BLOCK: |
| case I93_CMD_EXT_READ_MULTI_BLOCK: |
| case I93_CMD_GET_MULTI_BLK_SEC: |
| case I93_CMD_EXT_GET_MULTI_BLK_SEC: |
| |
| /* forward tag data or security status */ |
| p_buff = (NFC_HDR*)GKI_getbuf((uint16_t)(length + NFC_HDR_SIZE)); |
| |
| if (p_buff) { |
| p_buff->offset = 0; |
| p_buff->len = length; |
| |
| memcpy((p_buff + 1), p, length); |
| |
| rw_data.i93_data.status = NFC_STATUS_OK; |
| rw_data.i93_data.command = p_i93->sent_cmd; |
| rw_data.i93_data.p_data = p_buff; |
| |
| event = RW_I93_DATA_EVT; |
| } else { |
| rw_data.i93_cmd_cmpl.status = NFC_STATUS_NO_BUFFERS; |
| rw_data.i93_cmd_cmpl.command = p_i93->sent_cmd; |
| rw_data.i93_cmd_cmpl.error_code = 0; |
| |
| event = RW_I93_CMD_CMPL_EVT; |
| } |
| break; |
| |
| case I93_CMD_WRITE_SINGLE_BLOCK: |
| case I93_CMD_EXT_WRITE_SINGLE_BLOCK: |
| case I93_CMD_LOCK_BLOCK: |
| case I93_CMD_EXT_LOCK_BLOCK: |
| case I93_CMD_WRITE_MULTI_BLOCK: |
| case I93_CMD_EXT_WRITE_MULTI_BLOCK: |
| case I93_CMD_SELECT: |
| case I93_CMD_RESET_TO_READY: |
| case I93_CMD_WRITE_AFI: |
| case I93_CMD_LOCK_AFI: |
| case I93_CMD_WRITE_DSFID: |
| case I93_CMD_LOCK_DSFID: |
| |
| /* notify the complete of command */ |
| rw_data.i93_cmd_cmpl.status = NFC_STATUS_OK; |
| rw_data.i93_cmd_cmpl.command = p_i93->sent_cmd; |
| rw_data.i93_cmd_cmpl.error_code = 0; |
| |
| event = RW_I93_CMD_CMPL_EVT; |
| break; |
| |
| case I93_CMD_GET_SYS_INFO: |
| |
| if (rw_i93_process_sys_info(p)) { |
| rw_data.i93_sys_info.status = NFC_STATUS_OK; |
| rw_data.i93_sys_info.info_flags = p_i93->info_flags; |
| rw_data.i93_sys_info.dsfid = p_i93->dsfid; |
| rw_data.i93_sys_info.afi = p_i93->afi; |
| rw_data.i93_sys_info.num_block = p_i93->num_block; |
| rw_data.i93_sys_info.block_size = p_i93->block_size; |
| rw_data.i93_sys_info.IC_reference = p_i93->ic_reference; |
| |
| memcpy(rw_data.i93_sys_info.uid, p_i93->uid, I93_UID_BYTE_LEN); |
| |
| event = RW_I93_SYS_INFO_EVT; |
| } else { |
| /* retrying with protocol extension flag */ |
| p_i93->state = RW_I93_STATE_BUSY; |
| return; |
| } |
| break; |
| |
| case I93_CMD_EXT_GET_SYS_INFO: |
| |
| if (rw_i93_process_ext_sys_info(p)) { |
| rw_data.i93_sys_info.status = NFC_STATUS_OK; |
| rw_data.i93_sys_info.info_flags = p_i93->info_flags; |
| rw_data.i93_sys_info.dsfid = p_i93->dsfid; |
| rw_data.i93_sys_info.afi = p_i93->afi; |
| rw_data.i93_sys_info.num_block = p_i93->num_block; |
| rw_data.i93_sys_info.block_size = p_i93->block_size; |
| rw_data.i93_sys_info.IC_reference = p_i93->ic_reference; |
| |
| memcpy(rw_data.i93_sys_info.uid, p_i93->uid, I93_UID_BYTE_LEN); |
| |
| event = RW_I93_SYS_INFO_EVT; |
| } else { |
| /* retrying with protocol extension flag or with extended sys info |
| * command */ |
| p_i93->state = RW_I93_STATE_BUSY; |
| return; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| rw_cb.tcb.i93.sent_cmd = 0; |
| if (event != RW_I93_MAX_EVT) { |
| (*(rw_cb.p_cback))(event, &rw_data); |
| } else { |
| LOG(ERROR) << StringPrintf("Invalid response"); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_to_lower |
| ** |
| ** Description Send Request frame to lower layer |
| ** |
| ** Returns TRUE if success |
| ** |
| *******************************************************************************/ |
| bool rw_i93_send_to_lower(NFC_HDR* p_msg) { |
| /* store command for retransmitting */ |
| if (rw_cb.tcb.i93.p_retry_cmd) { |
| GKI_freebuf(rw_cb.tcb.i93.p_retry_cmd); |
| rw_cb.tcb.i93.p_retry_cmd = NULL; |
| } |
| |
| rw_cb.tcb.i93.p_retry_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (rw_cb.tcb.i93.p_retry_cmd) { |
| memcpy(rw_cb.tcb.i93.p_retry_cmd, p_msg, |
| sizeof(NFC_HDR) + p_msg->offset + p_msg->len); |
| } |
| |
| if (NFC_SendData(NFC_RF_CONN_ID, p_msg) != NFC_STATUS_OK) { |
| LOG(ERROR) << StringPrintf("failed"); |
| return false; |
| } |
| |
| nfc_start_quick_timer(&rw_cb.tcb.i93.timer, NFC_TTYPE_RW_I93_RESPONSE, |
| (RW_I93_TOUT_RESP * QUICK_TIMER_TICKS_PER_SEC) / 1000); |
| |
| return true; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_inventory |
| ** |
| ** Description Send Inventory Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_inventory(uint8_t* p_uid, bool including_afi, |
| uint8_t afi) { |
| NFC_HDR* p_cmd; |
| uint8_t *p, flags; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("including_afi:%d, AFI:0x%02X", including_afi, afi); |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 3; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| flags = (I93_FLAG_SLOT_ONE | I93_FLAG_INVENTORY_SET | |
| RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE); |
| if (including_afi) { |
| flags |= I93_FLAG_AFI_PRESENT; |
| } |
| |
| UINT8_TO_STREAM(p, flags); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_INVENTORY); |
| |
| if (including_afi) { |
| /* Parameters */ |
| UINT8_TO_STREAM(p, afi); /* Optional AFI */ |
| p_cmd->len++; |
| } |
| |
| if (p_uid) { |
| UINT8_TO_STREAM(p, I93_UID_BYTE_LEN * 8); /* Mask Length */ |
| ARRAY8_TO_STREAM(p, p_uid); /* UID */ |
| p_cmd->len += I93_UID_BYTE_LEN; |
| } else { |
| UINT8_TO_STREAM(p, 0x00); /* Mask Length */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_INVENTORY; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_stay_quiet |
| ** |
| ** Description Send Stay Quiet Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_stay_quiet(void) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_STAY_QUIET); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_STAY_QUIET; |
| |
| /* restart timer for stay quiet */ |
| nfc_start_quick_timer( |
| &rw_cb.tcb.i93.timer, NFC_TTYPE_RW_I93_RESPONSE, |
| (RW_I93_TOUT_STAY_QUIET * QUICK_TIMER_TICKS_PER_SEC) / 1000); |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_read_single_block |
| ** |
| ** Description Send Read Single Block Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_read_single_block(uint16_t block_number, |
| bool read_security) { |
| NFC_HDR* p_cmd; |
| uint8_t *p, flags; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| flags = |
| (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE); |
| |
| if (read_security) flags |= I93_FLAG_OPTION_SET; |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK) |
| flags |= I93_FLAG_PROT_EXT_YES; |
| |
| UINT8_TO_STREAM(p, flags); |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT8_TO_STREAM(p, I93_CMD_EXT_READ_SINGLE_BLOCK); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_READ_SINGLE_BLOCK); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK || |
| rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, block_number); /* Block number */ |
| p_cmd->len++; |
| } else { |
| UINT8_TO_STREAM(p, block_number); /* Block number */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_READ_SINGLE_BLOCK; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_READ_SINGLE_BLOCK; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_write_single_block |
| ** |
| ** Description Send Write Single Block Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_write_single_block(uint16_t block_number, |
| uint8_t* p_data) { |
| NFC_HDR* p_cmd; |
| uint8_t *p, flags; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11 + rw_cb.tcb.i93.block_size; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| if ((rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) { |
| /* Option must be set for TI tag */ |
| flags = (I93_FLAG_ADDRESS_SET | I93_FLAG_OPTION_SET | |
| RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE); |
| } else { |
| flags = (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE); |
| } |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK) |
| flags |= I93_FLAG_PROT_EXT_YES; |
| |
| UINT8_TO_STREAM(p, flags); |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT8_TO_STREAM(p, I93_CMD_EXT_WRITE_SINGLE_BLOCK); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_WRITE_SINGLE_BLOCK); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK || |
| rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, block_number); /* Block number */ |
| p_cmd->len++; |
| } else { |
| UINT8_TO_STREAM(p, block_number); /* Block number */ |
| } |
| |
| /* Data */ |
| ARRAY_TO_STREAM(p, p_data, rw_cb.tcb.i93.block_size); |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_WRITE_SINGLE_BLOCK; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_WRITE_SINGLE_BLOCK; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_lock_block |
| ** |
| ** Description Send Lock Block Request to VICC |
| ** |
| ** STM LRIS64K, M24LR64-R, M24LR04E-R, M24LR16E-R, M24LR64E-R |
| ** do not support. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_lock_block(uint8_t block_number) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| if ((rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (rw_cb.tcb.i93.product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) { |
| /* Option must be set for TI tag */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | I93_FLAG_OPTION_SET | |
| RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE)); |
| } else { |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| } |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT8_TO_STREAM(p, I93_CMD_EXT_LOCK_BLOCK); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_LOCK_BLOCK); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, block_number); /* Block number */ |
| p_cmd->len++; |
| } else { |
| UINT8_TO_STREAM(p, block_number); /* Block number */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_LOCK_BLOCK; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_LOCK_BLOCK; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_read_multi_blocks |
| ** |
| ** Description Send Read Multiple Blocks Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_read_multi_blocks(uint16_t first_block_number, |
| uint16_t number_blocks) { |
| NFC_HDR* p_cmd; |
| uint8_t *p, flags; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 12; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| flags = |
| (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE); |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK) { |
| flags |= I93_FLAG_PROT_EXT_YES; |
| } |
| |
| UINT8_TO_STREAM(p, flags); |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT8_TO_STREAM(p, I93_CMD_EXT_READ_MULTI_BLOCK); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_READ_MULTI_BLOCK); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK || |
| rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, first_block_number); /* First block number */ |
| p_cmd->len++; |
| } else { |
| UINT8_TO_STREAM(p, first_block_number); /* First block number */ |
| } |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| p_cmd->len++; |
| } else { |
| UINT8_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_READ_MULTI_BLOCK; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_READ_MULTI_BLOCK; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_write_multi_blocks |
| ** |
| ** Description Send Write Multiple Blocks Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_write_multi_blocks(uint16_t first_block_number, |
| uint16_t number_blocks, |
| uint8_t* p_data) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 12 + number_blocks * rw_cb.tcb.i93.block_size; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| INT8_TO_STREAM(p, I93_CMD_EXT_WRITE_MULTI_BLOCK); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_WRITE_MULTI_BLOCK); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, first_block_number); /* Block number */ |
| UINT16_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| p_cmd->len += 2; |
| } else { |
| UINT8_TO_STREAM(p, first_block_number); /* Block number */ |
| UINT8_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| } |
| |
| UINT8_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| |
| /* Data */ |
| ARRAY_TO_STREAM(p, p_data, number_blocks * rw_cb.tcb.i93.block_size); |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_WRITE_MULTI_BLOCK; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_WRITE_MULTI_BLOCK; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_select |
| ** |
| ** Description Send Select Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_select(uint8_t* p_uid) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_SELECT); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, p_uid); /* UID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_SELECT; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_reset_to_ready |
| ** |
| ** Description Send Reset to Ready Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_reset_to_ready(void) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_RESET_TO_READY); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_RESET_TO_READY; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_write_afi |
| ** |
| ** Description Send Write AFI Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_write_afi(uint8_t afi) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_WRITE_AFI); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| UINT8_TO_STREAM(p, afi); /* AFI */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_WRITE_AFI; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_lock_afi |
| ** |
| ** Description Send Lock AFI Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_lock_afi(void) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_LOCK_AFI); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_LOCK_AFI; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_write_dsfid |
| ** |
| ** Description Send Write DSFID Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_write_dsfid(uint8_t dsfid) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_WRITE_DSFID); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| UINT8_TO_STREAM(p, dsfid); /* DSFID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_WRITE_DSFID; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_lock_dsfid |
| ** |
| ** Description Send Lock DSFID Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_lock_dsfid(void) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_LOCK_DSFID); |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_LOCK_DSFID; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_get_ext_sys_info |
| ** |
| ** Description Send Get Extended System Information Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_get_ext_sys_info(uint8_t* p_uid) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__ << "Cannot allocate buffer"; |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 11; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_EXT_GET_SYS_INFO); |
| |
| /* Parameters request field */ |
| UINT8_TO_STREAM(p, |
| (I93_INFO_FLAG_MOI | I93_INFO_FLAG_DSFID | I93_INFO_FLAG_AFI | |
| I93_INFO_FLAG_MEM_SIZE | I93_INFO_FLAG_IC_REF)); |
| |
| /* Parameters */ |
| if (p_uid) { |
| ARRAY8_TO_STREAM(p, p_uid); /* UID */ |
| } else { |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_GET_SYS_INFO; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_get_sys_info |
| ** |
| ** Description Send Get System Information Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_get_sys_info(uint8_t* p_uid, uint8_t extra_flags) { |
| NFC_HDR* p_cmd; |
| uint8_t* p; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 10; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| UINT8_TO_STREAM(p, (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | |
| RW_I93_FLAG_DATA_RATE | extra_flags)); |
| |
| /* Command Code */ |
| UINT8_TO_STREAM(p, I93_CMD_GET_SYS_INFO); |
| |
| /* Parameters */ |
| if (p_uid) { |
| ARRAY8_TO_STREAM(p, p_uid); /* UID */ |
| } else { |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_GET_SYS_INFO; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_send_cmd_get_multi_block_sec |
| ** |
| ** Description Send Get Multiple Block Security Status Request to VICC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_send_cmd_get_multi_block_sec(uint16_t first_block_number, |
| uint16_t number_blocks) { |
| NFC_HDR* p_cmd; |
| uint8_t *p, flags; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| p_cmd = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID); |
| |
| if (!p_cmd) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| return NFC_STATUS_NO_BUFFERS; |
| } |
| |
| p_cmd->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE; |
| p_cmd->len = 12; |
| p = (uint8_t*)(p_cmd + 1) + p_cmd->offset; |
| |
| /* Flags */ |
| flags = |
| (I93_FLAG_ADDRESS_SET | RW_I93_FLAG_SUB_CARRIER | RW_I93_FLAG_DATA_RATE); |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK) |
| flags |= I93_FLAG_PROT_EXT_YES; |
| |
| UINT8_TO_STREAM(p, flags); |
| |
| /* Command Code */ |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT8_TO_STREAM(p, I93_CMD_EXT_GET_MULTI_BLK_SEC); |
| } else { |
| UINT8_TO_STREAM(p, I93_CMD_GET_MULTI_BLK_SEC); |
| } |
| |
| /* Parameters */ |
| ARRAY8_TO_STREAM(p, rw_cb.tcb.i93.uid); /* UID */ |
| |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_16BIT_NUM_BLOCK || |
| rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) { |
| UINT16_TO_STREAM(p, first_block_number); /* First block number */ |
| UINT16_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| p_cmd->len += 2; |
| } else { |
| UINT8_TO_STREAM(p, first_block_number); /* First block number */ |
| UINT8_TO_STREAM( |
| p, number_blocks - 1); /* Number of blocks, 0x00 to read one block */ |
| } |
| |
| if (rw_i93_send_to_lower(p_cmd)) { |
| if (rw_cb.tcb.i93.intl_flags & RW_I93_FLAG_EXT_COMMANDS) |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_EXT_GET_MULTI_BLK_SEC; |
| else |
| rw_cb.tcb.i93.sent_cmd = I93_CMD_GET_MULTI_BLK_SEC; |
| return NFC_STATUS_OK; |
| } else { |
| return NFC_STATUS_FAILED; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_get_next_blocks |
| ** |
| ** Description Read as many blocks as possible (up to |
| ** RW_I93_READ_MULTI_BLOCK_SIZE) |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_get_next_blocks(uint16_t offset) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| uint16_t first_block; |
| uint16_t num_block; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| first_block = offset / p_i93->block_size; |
| |
| /* more blocks, more efficent but more error rate */ |
| |
| if (p_i93->intl_flags & RW_I93_FLAG_READ_MULTI_BLOCK) { |
| num_block = RW_I93_READ_MULTI_BLOCK_SIZE / p_i93->block_size; |
| |
| if (num_block + first_block > p_i93->num_block) |
| num_block = p_i93->num_block - first_block; |
| |
| if (p_i93->uid[1] == I93_UID_IC_MFG_CODE_STM) { |
| /* LRIS64K, M24LR64-R, M24LR04E-R, M24LR16E-R, M24LR64E-R requires |
| ** - The max number of blocks is 32 and they are all located in the |
| ** same sector. |
| ** - The sector is 32 blocks of 4 bytes. |
| */ |
| if ((p_i93->product_version == RW_I93_STM_LRIS64K) || |
| (p_i93->product_version == RW_I93_STM_M24LR64_R) || |
| (p_i93->product_version == RW_I93_STM_M24LR04E_R) || |
| (p_i93->product_version == RW_I93_STM_M24LR16E_R) || |
| (p_i93->product_version == RW_I93_STM_M24LR64E_R)) { |
| if (num_block > I93_STM_MAX_BLOCKS_PER_READ) |
| num_block = I93_STM_MAX_BLOCKS_PER_READ; |
| |
| if ((first_block / I93_STM_BLOCKS_PER_SECTOR) != |
| ((first_block + num_block - 1) / I93_STM_BLOCKS_PER_SECTOR)) { |
| num_block = I93_STM_BLOCKS_PER_SECTOR - |
| (first_block % I93_STM_BLOCKS_PER_SECTOR); |
| } |
| } |
| } |
| |
| return rw_i93_send_cmd_read_multi_blocks(first_block, num_block); |
| } else { |
| return rw_i93_send_cmd_read_single_block(first_block, false); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_get_next_block_sec |
| ** |
| ** Description Get as many security of blocks as possible from |
| ** p_i93->rw_offset (up to RW_I93_GET_MULTI_BLOCK_SEC_SIZE) |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS rw_i93_get_next_block_sec(void) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| uint16_t num_blocks; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| if (p_i93->num_block <= p_i93->rw_offset) { |
| LOG(ERROR) << StringPrintf( |
| "rw_offset(0x%x) must be less than num_block(0x%x)", p_i93->rw_offset, |
| p_i93->num_block); |
| return NFC_STATUS_FAILED; |
| } |
| |
| num_blocks = p_i93->num_block - p_i93->rw_offset; |
| |
| if (num_blocks > RW_I93_GET_MULTI_BLOCK_SEC_SIZE) |
| num_blocks = RW_I93_GET_MULTI_BLOCK_SEC_SIZE; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << __func__ << std::hex << rw_cb.tcb.i93.intl_flags; |
| return rw_i93_send_cmd_get_multi_block_sec(p_i93->rw_offset, num_blocks); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_sm_detect_ndef |
| ** |
| ** Description Process NDEF detection procedure |
| ** |
| ** 1. Get UID if not having yet |
| ** 2. Get System Info if not having yet |
| ** 3. Read first block for CC |
| ** 4. Search NDEF Type and length |
| ** 5. Get block status to get max NDEF size and read-only |
| ** status |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_sm_detect_ndef(NFC_HDR* p_resp) { |
| uint8_t *p = (uint8_t*)(p_resp + 1) + p_resp->offset, *p_uid; |
| uint8_t flags, u8 = 0, cc[4]; |
| uint16_t length = p_resp->len, xx, block, first_block, last_block, num_blocks; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "sub_state:%s (0x%x)", |
| rw_i93_get_sub_state_name(p_i93->sub_state).c_str(), p_i93->sub_state); |
| |
| if (length == 0) { |
| android_errorWriteLog(0x534e4554, "121260197"); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| if ((length) && (rw_i93_check_sys_info_prot_ext(*p))) { |
| /* getting system info with protocol extension flag */ |
| /* This STM tag supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_16BIT_NUM_BLOCK; |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got error flags (0x%02x)", flags); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| return; |
| } |
| |
| switch (p_i93->sub_state) { |
| case RW_I93_SUBSTATE_WAIT_UID: |
| |
| if (length < (I93_UID_BYTE_LEN + 1)) { |
| android_errorWriteLog(0x534e4554, "121260197"); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| STREAM_TO_UINT8(u8, p); /* DSFID */ |
| p_uid = p_i93->uid; |
| STREAM_TO_ARRAY8(p_uid, p); |
| |
| if (u8 != I93_DFS_UNSUPPORTED) { |
| /* if Data Storage Format is unknown */ |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got unknown DSFID (0x%02x)", u8); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } else { |
| /* get system information to get memory size */ |
| if (rw_i93_send_cmd_get_sys_info(NULL, I93_FLAG_PROT_EXT_NO) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_SYS_INFO; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_SYS_INFO: |
| |
| p_i93->block_size = 0; |
| p_i93->num_block = 0; |
| |
| if (!rw_i93_process_sys_info(p)) { |
| /* retrying with protocol extension flag */ |
| break; |
| } |
| |
| if ((p_i93->block_size == 0) || (p_i93->num_block == 0)) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Unable to get tag memory size"); |
| rw_i93_handle_error(status); |
| } else { |
| /* read CC in the first block */ |
| if (rw_i93_send_cmd_read_single_block(0x0000, false) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_CC; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_CC: |
| |
| /* assume block size is more than 4 */ |
| STREAM_TO_ARRAY(cc, p, 4); |
| |
| status = NFC_STATUS_FAILED; |
| |
| /* |
| ** Capability Container (CC) |
| ** |
| ** CC[0] : magic number (0xE1) |
| ** CC[1] : Bit 7-6:Major version number |
| ** : Bit 5-4:Minor version number |
| ** : Bit 3-2:Read access condition (00b: read access granted |
| ** without any security) |
| ** : Bit 1-0:Write access condition (00b: write access granted |
| ** without any security) |
| ** CC[2] : Memory size in 8 bytes (Ex. 0x04 is 32 bytes) [STM, set to |
| ** 0xFF if more than 2040bytes] |
| ** CC[3] : Bit 0:Read multiple blocks is supported [NXP, STM] |
| ** : Bit 1:Inventory page read is supported [NXP] |
| ** : Bit 2:More than 2040 bytes are supported [STM] |
| */ |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "cc: 0x%02X 0x%02X 0x%02X 0x%02X", cc[0], cc[1], cc[2], cc[3]); |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Total blocks:0x%04X, Block size:0x%02X", |
| p_i93->num_block, p_i93->block_size); |
| |
| if ((cc[0] == I93_ICODE_CC_MAGIC_NUMER_E1) || |
| (cc[0] == I93_ICODE_CC_MAGIC_NUMER_E2)) { |
| if ((cc[1] & I93_ICODE_CC_READ_ACCESS_MASK) == |
| I93_ICODE_CC_READ_ACCESS_GRANTED) { |
| if ((cc[1] & I93_ICODE_CC_WRITE_ACCESS_MASK) != |
| I93_ICODE_CC_WRITE_ACCESS_GRANTED) { |
| /* read-only or password required to write */ |
| p_i93->intl_flags |= RW_I93_FLAG_READ_ONLY; |
| } |
| if (cc[3] & I93_ICODE_CC_MBREAD_MASK) { |
| /* tag supports read multi blocks command */ |
| p_i93->intl_flags |= RW_I93_FLAG_READ_MULTI_BLOCK; |
| } |
| if (cc[0] == I93_ICODE_CC_MAGIC_NUMER_E2) { |
| p_i93->intl_flags |= RW_I93_FLAG_EXT_COMMANDS; |
| } |
| status = NFC_STATUS_OK; |
| } |
| } |
| |
| if (status == NFC_STATUS_OK) { |
| /* seach NDEF TLV from offset 4 when CC file coded on 4 bytes NFC Forum |
| */ |
| if (cc[2] != 0) |
| p_i93->rw_offset = 4; |
| else |
| p_i93->rw_offset = 8; |
| |
| if (rw_i93_get_next_blocks(p_i93->rw_offset) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_SEARCH_NDEF_TLV; |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_TYPE; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_SEARCH_NDEF_TLV: |
| |
| /* search TLV within read blocks */ |
| for (xx = 0; xx < length; xx++) { |
| /* if looking for type */ |
| if (p_i93->tlv_detect_state == RW_I93_TLV_DETECT_STATE_TYPE) { |
| if (*(p + xx) == I93_ICODE_TLV_TYPE_NULL) { |
| continue; |
| } else if ((*(p + xx) == I93_ICODE_TLV_TYPE_NDEF) || |
| (*(p + xx) == I93_ICODE_TLV_TYPE_PROP)) { |
| /* store found type and get length field */ |
| p_i93->tlv_type = *(p + xx); |
| p_i93->ndef_tlv_start_offset = p_i93->rw_offset + xx; |
| |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_LENGTH_1; |
| } else if (*(p + xx) == I93_ICODE_TLV_TYPE_TERM) { |
| /* no NDEF TLV found */ |
| p_i93->tlv_type = I93_ICODE_TLV_TYPE_TERM; |
| break; |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Invalid type: 0x%02x", *(p + xx)); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| } else if (p_i93->tlv_detect_state == |
| RW_I93_TLV_DETECT_STATE_LENGTH_1) { |
| /* if 3 bytes length field */ |
| if (*(p + xx) == 0xFF) { |
| /* need 2 more bytes for length field */ |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_LENGTH_2; |
| } else { |
| p_i93->tlv_length = *(p + xx); |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_VALUE; |
| |
| if (p_i93->tlv_type == I93_ICODE_TLV_TYPE_NDEF) { |
| p_i93->ndef_tlv_last_offset = |
| p_i93->ndef_tlv_start_offset + 1 + p_i93->tlv_length; |
| break; |
| } |
| } |
| } else if (p_i93->tlv_detect_state == |
| RW_I93_TLV_DETECT_STATE_LENGTH_2) { |
| /* the second byte of 3 bytes length field */ |
| p_i93->tlv_length = *(p + xx); |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_LENGTH_3; |
| } else if (p_i93->tlv_detect_state == |
| RW_I93_TLV_DETECT_STATE_LENGTH_3) { |
| /* the last byte of 3 bytes length field */ |
| p_i93->tlv_length = (p_i93->tlv_length << 8) + *(p + xx); |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_VALUE; |
| |
| if (p_i93->tlv_type == I93_ICODE_TLV_TYPE_NDEF) { |
| p_i93->ndef_tlv_last_offset = |
| p_i93->ndef_tlv_start_offset + 3 + p_i93->tlv_length; |
| break; |
| } |
| } else if (p_i93->tlv_detect_state == RW_I93_TLV_DETECT_STATE_VALUE) { |
| /* this is other than NDEF TLV */ |
| if (p_i93->tlv_length <= length - xx) { |
| /* skip value field */ |
| xx += (uint8_t)p_i93->tlv_length; |
| p_i93->tlv_detect_state = RW_I93_TLV_DETECT_STATE_TYPE; |
| } else { |
| /* read more data */ |
| p_i93->tlv_length -= (length - xx); |
| break; |
| } |
| } |
| } |
| |
| /* found NDEF TLV and read length field */ |
| if ((p_i93->tlv_type == I93_ICODE_TLV_TYPE_NDEF) && |
| (p_i93->tlv_detect_state == RW_I93_TLV_DETECT_STATE_VALUE)) { |
| p_i93->ndef_length = p_i93->tlv_length; |
| |
| /* get lock status to see if read-only */ |
| if ((p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY) || |
| ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK))) { |
| /* these doesn't support GetMultiBlockSecurityStatus */ |
| |
| p_i93->rw_offset = p_i93->ndef_tlv_start_offset; |
| first_block = p_i93->ndef_tlv_start_offset / p_i93->block_size; |
| |
| /* read block to get lock status */ |
| rw_i93_send_cmd_read_single_block(first_block, true); |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_LOCK_STATUS; |
| } else { |
| /* block offset for read-only check */ |
| p_i93->rw_offset = 0; |
| |
| if (rw_i93_get_next_block_sec() == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_LOCK_STATUS; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } else { |
| /* read more data */ |
| p_i93->rw_offset += length; |
| |
| if (p_i93->rw_offset >= p_i93->block_size * p_i93->num_block) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } else if (rw_i93_get_next_blocks(p_i93->rw_offset) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_SEARCH_NDEF_TLV; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_CHECK_LOCK_STATUS: |
| |
| if ((p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY) || |
| ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK))) { |
| /* these doesn't support GetMultiBlockSecurityStatus */ |
| |
| block = (p_i93->rw_offset / p_i93->block_size); |
| last_block = (p_i93->ndef_tlv_last_offset / p_i93->block_size); |
| |
| if ((*p) & I93_BLOCK_LOCKED) { |
| if (block <= last_block) { |
| p_i93->intl_flags |= RW_I93_FLAG_READ_ONLY; |
| } |
| } else { |
| /* if we need to check more user blocks */ |
| if (block + 1 < p_i93->num_block) { |
| p_i93->rw_offset += p_i93->block_size; |
| |
| /* read block to get lock status */ |
| rw_i93_send_cmd_read_single_block( |
| (uint16_t)(p_i93->rw_offset / p_i93->block_size), true); |
| break; |
| } |
| } |
| |
| p_i93->max_ndef_length = |
| p_i93->ndef_length |
| /* add available bytes including the last block of NDEF TLV */ |
| + (p_i93->block_size * (block - last_block) + 1) - |
| (p_i93->ndef_tlv_last_offset % p_i93->block_size) - 1; |
| } else { |
| if (p_i93->rw_offset == 0) { |
| p_i93->max_ndef_length = |
| p_i93->ndef_length |
| /* add available bytes in the last block of NDEF TLV */ |
| + p_i93->block_size - |
| (p_i93->ndef_tlv_last_offset % p_i93->block_size) - 1; |
| |
| first_block = (p_i93->ndef_tlv_start_offset / p_i93->block_size); |
| } else { |
| first_block = 0; |
| } |
| |
| last_block = (p_i93->ndef_tlv_last_offset / p_i93->block_size); |
| num_blocks = length; |
| |
| for (block = first_block; block < num_blocks; block++) { |
| /* if any block of NDEF TLV is locked */ |
| if ((block + p_i93->rw_offset) <= last_block) { |
| if (*(p + block) & I93_BLOCK_LOCKED) { |
| p_i93->intl_flags |= RW_I93_FLAG_READ_ONLY; |
| break; |
| } |
| } else { |
| if (*(p + block) & I93_BLOCK_LOCKED) { |
| /* no more consecutive unlocked block */ |
| break; |
| } else { |
| /* add block size if not locked */ |
| p_i93->max_ndef_length += p_i93->block_size; |
| } |
| } |
| } |
| |
| /* update next security of block to check */ |
| p_i93->rw_offset += num_blocks; |
| |
| /* if need to check more */ |
| if (p_i93->num_block > p_i93->rw_offset) { |
| if (rw_i93_get_next_block_sec() != NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| } |
| } |
| |
| /* check if need to adjust max NDEF length */ |
| if ((p_i93->ndef_length < 0xFF) && (p_i93->max_ndef_length >= 0xFF)) { |
| /* 3 bytes length field must be used */ |
| p_i93->max_ndef_length -= 2; |
| } |
| |
| rw_data.ndef.status = NFC_STATUS_OK; |
| rw_data.ndef.protocol = NFC_PROTOCOL_T5T; |
| rw_data.ndef.flags = 0; |
| rw_data.ndef.flags |= RW_NDEF_FL_SUPPORTED; |
| rw_data.ndef.flags |= RW_NDEF_FL_FORMATED; |
| rw_data.ndef.flags |= RW_NDEF_FL_FORMATABLE; |
| rw_data.ndef.cur_size = p_i93->ndef_length; |
| |
| if (p_i93->intl_flags & RW_I93_FLAG_READ_ONLY) { |
| rw_data.ndef.flags |= RW_NDEF_FL_READ_ONLY; |
| rw_data.ndef.max_size = p_i93->ndef_length; |
| } else { |
| rw_data.ndef.flags |= RW_NDEF_FL_HARD_LOCKABLE; |
| rw_data.ndef.max_size = p_i93->max_ndef_length; |
| } |
| |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "NDEF cur_size(%d),max_size (%d), flags (0x%x)", |
| rw_data.ndef.cur_size, rw_data.ndef.max_size, rw_data.ndef.flags); |
| |
| (*(rw_cb.p_cback))(RW_I93_NDEF_DETECT_EVT, &rw_data); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_sm_read_ndef |
| ** |
| ** Description Process NDEF read procedure |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_sm_read_ndef(NFC_HDR* p_resp) { |
| uint8_t* p = (uint8_t*)(p_resp + 1) + p_resp->offset; |
| uint8_t flags; |
| uint16_t offset, length = p_resp->len; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got error flags (0x%02x)", flags); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| |
| /* if this is the first block */ |
| if (p_i93->rw_length == 0) { |
| /* get start of NDEF in the first block */ |
| offset = p_i93->ndef_tlv_start_offset % p_i93->block_size; |
| |
| if (p_i93->ndef_length < 0xFF) { |
| offset += 2; |
| } else { |
| offset += 4; |
| } |
| |
| /* adjust offset if read more blocks because the first block doesn't have |
| * NDEF */ |
| offset -= (p_i93->rw_offset - p_i93->ndef_tlv_start_offset); |
| } else { |
| offset = 0; |
| } |
| |
| /* if read enough data to skip type and length field for the beginning */ |
| if (offset < length) { |
| offset++; /* flags */ |
| p_resp->offset += offset; |
| p_resp->len -= offset; |
| |
| rw_data.data.status = NFC_STATUS_OK; |
| rw_data.data.p_data = p_resp; |
| |
| p_i93->rw_length += p_resp->len; |
| } else { |
| /* in case of no Ndef data included */ |
| p_resp->len = 0; |
| } |
| |
| /* if read all of NDEF data */ |
| if (p_i93->rw_length >= p_i93->ndef_length) { |
| /* remove extra btyes in the last block */ |
| p_resp->len -= (p_i93->rw_length - p_i93->ndef_length); |
| |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("NDEF read complete read (%d)/total (%d)", p_resp->len, |
| p_i93->ndef_length); |
| |
| (*(rw_cb.p_cback))(RW_I93_NDEF_READ_CPLT_EVT, &rw_data); |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("NDEF read segment read (%d)/total (%d)", p_resp->len, |
| p_i93->ndef_length); |
| |
| if (p_resp->len > 0) { |
| (*(rw_cb.p_cback))(RW_I93_NDEF_READ_EVT, &rw_data); |
| } |
| |
| /* this will make read data from next block */ |
| p_i93->rw_offset += length; |
| |
| if (rw_i93_get_next_blocks(p_i93->rw_offset) != NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_sm_update_ndef |
| ** |
| ** Description Process NDEF update procedure |
| ** |
| ** 1. Set length field to zero |
| ** 2. Write NDEF and Terminator TLV |
| ** 3. Set length field to NDEF length |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_sm_update_ndef(NFC_HDR* p_resp) { |
| uint8_t* p = (uint8_t*)(p_resp + 1) + p_resp->offset; |
| uint8_t flags, xx, length_offset, buff[I93_MAX_BLOCK_LENGH]; |
| uint16_t length = p_resp->len, block_number; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "sub_state:%s (0x%x)", |
| rw_i93_get_sub_state_name(p_i93->sub_state).c_str(), p_i93->sub_state); |
| |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| if (((p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) && |
| (*p == I93_ERROR_CODE_BLOCK_FAIL_TO_WRITE)) { |
| /* ignore error */ |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got error flags (0x%02x)", flags); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| } |
| |
| switch (p_i93->sub_state) { |
| case RW_I93_SUBSTATE_RESET_LEN: |
| |
| /* get offset of length field */ |
| length_offset = (p_i93->ndef_tlv_start_offset + 1) % p_i93->block_size; |
| |
| /* set length to zero */ |
| *(p + length_offset) = 0x00; |
| |
| if (p_i93->ndef_length > 0) { |
| /* if 3 bytes length field is needed */ |
| if (p_i93->ndef_length >= 0xFF) { |
| xx = length_offset + 3; |
| } else { |
| xx = length_offset + 1; |
| } |
| |
| /* write the first part of NDEF in the same block */ |
| for (; xx < p_i93->block_size; xx++) { |
| if (p_i93->rw_length < p_i93->ndef_length) { |
| *(p + xx) = *(p_i93->p_update_data + p_i93->rw_length++); |
| } else { |
| *(p + xx) = I93_ICODE_TLV_TYPE_NULL; |
| } |
| } |
| } |
| |
| block_number = (p_i93->ndef_tlv_start_offset + 1) / p_i93->block_size; |
| |
| if (rw_i93_send_cmd_write_single_block(block_number, p) == |
| NFC_STATUS_OK) { |
| /* update next writing offset */ |
| p_i93->rw_offset = (block_number + 1) * p_i93->block_size; |
| p_i93->sub_state = RW_I93_SUBSTATE_WRITE_NDEF; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WRITE_NDEF: |
| |
| /* if it's not the end of tag memory */ |
| if (p_i93->rw_offset < p_i93->block_size * p_i93->num_block) { |
| block_number = p_i93->rw_offset / p_i93->block_size; |
| |
| /* if we have more data to write */ |
| if (p_i93->rw_length < p_i93->ndef_length) { |
| p = p_i93->p_update_data + p_i93->rw_length; |
| |
| p_i93->rw_offset += p_i93->block_size; |
| p_i93->rw_length += p_i93->block_size; |
| |
| /* if this is the last block of NDEF TLV */ |
| if (p_i93->rw_length > p_i93->ndef_length) { |
| /* length of NDEF TLV in the block */ |
| xx = (uint8_t)(p_i93->block_size - |
| (p_i93->rw_length - p_i93->ndef_length)); |
| |
| /* set NULL TLV in the unused part of block */ |
| memset(buff, I93_ICODE_TLV_TYPE_NULL, p_i93->block_size); |
| memcpy(buff, p, xx); |
| p = buff; |
| |
| /* if it's the end of tag memory */ |
| if ((p_i93->rw_offset >= p_i93->block_size * p_i93->num_block) && |
| (xx < p_i93->block_size)) { |
| buff[xx] = I93_ICODE_TLV_TYPE_TERM; |
| } |
| |
| p_i93->ndef_tlv_last_offset = |
| p_i93->rw_offset - p_i93->block_size + xx - 1; |
| } |
| |
| if (rw_i93_send_cmd_write_single_block(block_number, p) != |
| NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* if this is the very next block of NDEF TLV */ |
| if (block_number == |
| (p_i93->ndef_tlv_last_offset / p_i93->block_size) + 1) { |
| p_i93->rw_offset += p_i93->block_size; |
| |
| /* write Terminator TLV and NULL TLV */ |
| memset(buff, I93_ICODE_TLV_TYPE_NULL, p_i93->block_size); |
| buff[0] = I93_ICODE_TLV_TYPE_TERM; |
| p = buff; |
| |
| if (rw_i93_send_cmd_write_single_block(block_number, p) != |
| NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* finished writing NDEF and Terminator TLV */ |
| /* read length field to update length */ |
| block_number = |
| (p_i93->ndef_tlv_start_offset + 1) / p_i93->block_size; |
| |
| if (rw_i93_send_cmd_read_single_block(block_number, false) == |
| NFC_STATUS_OK) { |
| /* set offset to length field */ |
| p_i93->rw_offset = p_i93->ndef_tlv_start_offset + 1; |
| |
| /* get size of length field */ |
| if (p_i93->ndef_length >= 0xFF) { |
| p_i93->rw_length = 3; |
| } else if (p_i93->ndef_length > 0) { |
| p_i93->rw_length = 1; |
| } else { |
| p_i93->rw_length = 0; |
| } |
| |
| p_i93->sub_state = RW_I93_SUBSTATE_UPDATE_LEN; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } |
| } else { |
| /* if we have no more data to write */ |
| if (p_i93->rw_length >= p_i93->ndef_length) { |
| /* finished writing NDEF and Terminator TLV */ |
| /* read length field to update length */ |
| block_number = (p_i93->ndef_tlv_start_offset + 1) / p_i93->block_size; |
| |
| if (rw_i93_send_cmd_read_single_block(block_number, false) == |
| NFC_STATUS_OK) { |
| /* set offset to length field */ |
| p_i93->rw_offset = p_i93->ndef_tlv_start_offset + 1; |
| |
| /* get size of length field */ |
| if (p_i93->ndef_length >= 0xFF) { |
| p_i93->rw_length = 3; |
| } else if (p_i93->ndef_length > 0) { |
| p_i93->rw_length = 1; |
| } else { |
| p_i93->rw_length = 0; |
| } |
| |
| p_i93->sub_state = RW_I93_SUBSTATE_UPDATE_LEN; |
| break; |
| } |
| } |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_UPDATE_LEN: |
| |
| /* if we have more length field to write */ |
| if (p_i93->rw_length > 0) { |
| /* if we got ack for writing, read next block to update rest of length |
| * field */ |
| if (length == 0) { |
| block_number = p_i93->rw_offset / p_i93->block_size; |
| |
| if (rw_i93_send_cmd_read_single_block(block_number, false) != |
| NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| length_offset = p_i93->rw_offset % p_i93->block_size; |
| |
| /* update length field within the read block */ |
| for (xx = length_offset; xx < p_i93->block_size; xx++) { |
| if (p_i93->rw_length == 3) |
| *(p + xx) = 0xFF; |
| else if (p_i93->rw_length == 2) |
| *(p + xx) = (uint8_t)((p_i93->ndef_length >> 8) & 0xFF); |
| else if (p_i93->rw_length == 1) |
| *(p + xx) = (uint8_t)(p_i93->ndef_length & 0xFF); |
| |
| p_i93->rw_length--; |
| if (p_i93->rw_length == 0) break; |
| } |
| |
| block_number = (p_i93->rw_offset / p_i93->block_size); |
| |
| if (rw_i93_send_cmd_write_single_block(block_number, p) == |
| NFC_STATUS_OK) { |
| /* set offset to the beginning of next block */ |
| p_i93->rw_offset += |
| p_i93->block_size - (p_i93->rw_offset % p_i93->block_size); |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "NDEF update complete, %d bytes, (%d-%d)", p_i93->ndef_length, |
| p_i93->ndef_tlv_start_offset, p_i93->ndef_tlv_last_offset); |
| |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| p_i93->p_update_data = NULL; |
| |
| rw_data.status = NFC_STATUS_OK; |
| (*(rw_cb.p_cback))(RW_I93_NDEF_UPDATE_CPLT_EVT, &rw_data); |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_sm_format |
| ** |
| ** Description Process format procedure |
| ** |
| ** 1. Get UID |
| ** 2. Get sys info for memory size (reset AFI/DSFID) |
| ** 3. Get block status to get read-only status |
| ** 4. Write CC and empty NDEF |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_sm_format(NFC_HDR* p_resp) { |
| uint8_t *p = (uint8_t*)(p_resp + 1) + p_resp->offset, *p_uid; |
| uint8_t flags; |
| uint16_t length = p_resp->len, xx, block_number; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "sub_state:%s (0x%x)", |
| rw_i93_get_sub_state_name(p_i93->sub_state).c_str(), p_i93->sub_state); |
| |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| if (((p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) && |
| (*p == I93_ERROR_CODE_BLOCK_FAIL_TO_WRITE)) { |
| /* ignore error */ |
| } else if ((length) && (rw_i93_check_sys_info_prot_ext(*p))) { |
| /* getting system info with protocol extension flag */ |
| /* This STM tag supports more than 2040 bytes */ |
| p_i93->intl_flags |= RW_I93_FLAG_16BIT_NUM_BLOCK; |
| return; |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got error flags (0x%02x)", flags); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| } |
| |
| switch (p_i93->sub_state) { |
| case RW_I93_SUBSTATE_WAIT_UID: |
| |
| p++; /* skip DSFID */ |
| p_uid = p_i93->uid; |
| STREAM_TO_ARRAY8(p_uid, p); /* store UID */ |
| |
| /* get system information to get memory size */ |
| if (rw_i93_send_cmd_get_sys_info(NULL, I93_FLAG_PROT_EXT_NO) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_SYS_INFO; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_SYS_INFO: |
| |
| p_i93->block_size = 0; |
| p_i93->num_block = 0; |
| |
| if (!rw_i93_process_sys_info(p)) { |
| /* retrying with protocol extension flag */ |
| break; |
| } |
| |
| if (p_i93->info_flags & I93_INFO_FLAG_DSFID) { |
| /* DSFID, if any DSFID then reset */ |
| if (p_i93->dsfid != I93_DFS_UNSUPPORTED) { |
| p_i93->intl_flags |= RW_I93_FLAG_RESET_DSFID; |
| } |
| } |
| if (p_i93->info_flags & I93_INFO_FLAG_AFI) { |
| /* AFI, reset to 0 */ |
| if (p_i93->afi != 0x00) { |
| p_i93->intl_flags |= RW_I93_FLAG_RESET_AFI; |
| } |
| } |
| |
| if ((p_i93->block_size == 0) || (p_i93->num_block == 0)) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Unable to get tag memory size"); |
| rw_i93_handle_error(status); |
| } else if (p_i93->intl_flags & RW_I93_FLAG_RESET_DSFID) { |
| if (rw_i93_send_cmd_write_dsfid(I93_DFS_UNSUPPORTED) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else if (p_i93->intl_flags & RW_I93_FLAG_RESET_AFI) { |
| if (rw_i93_send_cmd_write_afi(0x00) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* get lock status to see if read-only */ |
| if ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK)) { |
| /* these doesn't support GetMultiBlockSecurityStatus */ |
| |
| rw_cb.tcb.i93.rw_offset = 0; |
| |
| /* read blocks with option flag to get block security status */ |
| if (rw_i93_send_cmd_read_single_block(0x0000, true) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_READ_ONLY; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* block offset for read-only check */ |
| p_i93->rw_offset = 0; |
| |
| if (rw_i93_get_next_block_sec() == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_READ_ONLY; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } |
| |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI: |
| |
| if (p_i93->sent_cmd == I93_CMD_WRITE_DSFID) { |
| p_i93->intl_flags &= ~RW_I93_FLAG_RESET_DSFID; |
| } else if (p_i93->sent_cmd == I93_CMD_WRITE_AFI) { |
| p_i93->intl_flags &= ~RW_I93_FLAG_RESET_AFI; |
| } |
| |
| if (p_i93->intl_flags & RW_I93_FLAG_RESET_DSFID) { |
| if (rw_i93_send_cmd_write_dsfid(I93_DFS_UNSUPPORTED) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else if (p_i93->intl_flags & RW_I93_FLAG_RESET_AFI) { |
| if (rw_i93_send_cmd_write_afi(0x00) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* get lock status to see if read-only */ |
| if ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK)) { |
| /* these doesn't support GetMultiBlockSecurityStatus */ |
| |
| rw_cb.tcb.i93.rw_offset = 0; |
| |
| /* read blocks with option flag to get block security status */ |
| if (rw_i93_send_cmd_read_single_block(0x0000, true) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_READ_ONLY; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| /* block offset for read-only check */ |
| p_i93->rw_offset = 0; |
| |
| if (rw_i93_get_next_block_sec() == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_CHECK_READ_ONLY; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_CHECK_READ_ONLY: |
| |
| if ((p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY) || |
| ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) && |
| (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK))) { |
| if ((*p) & I93_BLOCK_LOCKED) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| break; |
| } |
| |
| /* if we checked all of user blocks */ |
| if ((p_i93->rw_offset / p_i93->block_size) + 1 == p_i93->num_block) { |
| if ((p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) { |
| /* read the block which has AFI */ |
| p_i93->rw_offset = I93_TAG_IT_HF_I_STD_PRO_CHIP_INLAY_AFI_LOCATION; |
| rw_i93_send_cmd_read_single_block( |
| (uint16_t)(p_i93->rw_offset / p_i93->block_size), true); |
| break; |
| } |
| } else if (p_i93->rw_offset == |
| I93_TAG_IT_HF_I_STD_PRO_CHIP_INLAY_AFI_LOCATION) { |
| /* no block is locked */ |
| } else { |
| p_i93->rw_offset += p_i93->block_size; |
| rw_i93_send_cmd_read_single_block( |
| (uint16_t)(p_i93->rw_offset / p_i93->block_size), true); |
| break; |
| } |
| } else { |
| /* if any block is locked, we cannot format it */ |
| for (xx = 0; xx < length; xx++) { |
| if (*(p + xx) & I93_BLOCK_LOCKED) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| break; |
| } |
| } |
| |
| /* update block offset for read-only check */ |
| p_i93->rw_offset += length; |
| |
| /* if need to get more lock status of blocks */ |
| if (p_i93->num_block > p_i93->rw_offset) { |
| if (rw_i93_get_next_block_sec() != NFC_STATUS_OK) { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| } |
| } |
| |
| /* get buffer to store CC, zero length NDEF TLV and Terminator TLV */ |
| p_i93->p_update_data = (uint8_t*)GKI_getbuf(RW_I93_FORMAT_DATA_LEN); |
| |
| if (!p_i93->p_update_data) { |
| LOG(ERROR) << StringPrintf("Cannot allocate buffer"); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| break; |
| } |
| |
| p = p_i93->p_update_data; |
| |
| /* Capability Container */ |
| *(p++) = I93_ICODE_CC_MAGIC_NUMER_E1; /* magic number */ |
| *(p++) = 0x40; /* version 1.0, read/write */ |
| |
| /* if memory size is less than 2048 bytes */ |
| if (((p_i93->num_block * p_i93->block_size) / 8) < 0x100) |
| *(p++) = (uint8_t)((p_i93->num_block * p_i93->block_size) / |
| 8); /* memory size */ |
| else |
| *(p++) = 0xFF; |
| |
| if ((p_i93->product_version == RW_I93_ICODE_SLI) || |
| (p_i93->product_version == RW_I93_ICODE_SLI_S) || |
| (p_i93->product_version == RW_I93_ICODE_SLI_L)) { |
| if (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK) |
| *(p++) = I93_ICODE_CC_IPREAD_MASK; /* IPREAD */ |
| else |
| *(p++) = I93_ICODE_CC_MBREAD_MASK; /* MBREAD, read multi block command |
| supported */ |
| } else if ((p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP)) { |
| *(p++) = I93_ICODE_CC_MBREAD_MASK; /* MBREAD, read multi block command |
| supported */ |
| } else if ((p_i93->product_version == |
| RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == |
| RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) { |
| *(p++) = 0; |
| } else { |
| /* STM except LRIS2K, Broadcom supports read multi block command */ |
| |
| /* if memory size is more than 2040 bytes (which is not LRIS2K) */ |
| if (((p_i93->num_block * p_i93->block_size) / 8) > 0xFF) |
| *(p++) = (I93_ICODE_CC_MBREAD_MASK | I93_STM_CC_OVERFLOW_MASK); |
| else if (p_i93->product_version == RW_I93_STM_LRIS2K) |
| *(p++) = 0x00; |
| else |
| *(p++) = I93_ICODE_CC_MBREAD_MASK; |
| } |
| |
| /* zero length NDEF and Terminator TLV */ |
| *(p++) = I93_ICODE_TLV_TYPE_NDEF; |
| *(p++) = 0x00; |
| *(p++) = I93_ICODE_TLV_TYPE_TERM; |
| *(p++) = I93_ICODE_TLV_TYPE_NULL; |
| |
| /* start from block 0 */ |
| p_i93->rw_offset = 0; |
| |
| if (rw_i93_send_cmd_write_single_block(0, p_i93->p_update_data) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV; |
| p_i93->rw_offset += p_i93->block_size; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV: |
| |
| /* if we have more data to write */ |
| if (p_i93->rw_offset < RW_I93_FORMAT_DATA_LEN) { |
| block_number = (p_i93->rw_offset / p_i93->block_size); |
| p = p_i93->p_update_data + p_i93->rw_offset; |
| |
| if (rw_i93_send_cmd_write_single_block(block_number, p) == |
| NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV; |
| p_i93->rw_offset += p_i93->block_size; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| GKI_freebuf(p_i93->p_update_data); |
| p_i93->p_update_data = NULL; |
| |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| rw_data.status = NFC_STATUS_OK; |
| (*(rw_cb.p_cback))(RW_I93_FORMAT_CPLT_EVT, &rw_data); |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_sm_set_read_only |
| ** |
| ** Description Process read-only procedure |
| ** |
| ** 1. Update CC as read-only |
| ** 2. Lock all block of NDEF TLV |
| ** 3. Lock block of CC |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void rw_i93_sm_set_read_only(NFC_HDR* p_resp) { |
| uint8_t* p = (uint8_t*)(p_resp + 1) + p_resp->offset; |
| uint8_t flags, block_number; |
| uint16_t length = p_resp->len; |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "sub_state:%s (0x%x)", |
| rw_i93_get_sub_state_name(p_i93->sub_state).c_str(), p_i93->sub_state); |
| |
| STREAM_TO_UINT8(flags, p); |
| length--; |
| |
| if (flags & I93_FLAG_ERROR_DETECTED) { |
| if (((p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PLUS_CHIP) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY) || |
| (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY)) && |
| (*p == I93_ERROR_CODE_BLOCK_FAIL_TO_WRITE)) { |
| /* ignore error */ |
| } else { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Got error flags (0x%02x)", flags); |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| return; |
| } |
| } |
| |
| switch (p_i93->sub_state) { |
| case RW_I93_SUBSTATE_WAIT_CC: |
| |
| /* mark CC as read-only */ |
| *(p + 1) |= I93_ICODE_CC_READ_ONLY; |
| |
| if (rw_i93_send_cmd_write_single_block(0, p) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_UPDATE_CC; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_UPDATE_CC: |
| |
| /* successfully write CC then lock all blocks of NDEF TLV */ |
| p_i93->rw_offset = p_i93->ndef_tlv_start_offset; |
| block_number = (uint8_t)(p_i93->rw_offset / p_i93->block_size); |
| |
| if (rw_i93_send_cmd_lock_block(block_number) == NFC_STATUS_OK) { |
| p_i93->rw_offset += p_i93->block_size; |
| p_i93->sub_state = RW_I93_SUBSTATE_LOCK_NDEF_TLV; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_LOCK_NDEF_TLV: |
| |
| /* if we need to lock more blocks */ |
| if (p_i93->rw_offset < p_i93->ndef_tlv_last_offset) { |
| /* get the next block of NDEF TLV */ |
| block_number = (uint8_t)(p_i93->rw_offset / p_i93->block_size); |
| |
| if (rw_i93_send_cmd_lock_block(block_number) == NFC_STATUS_OK) { |
| p_i93->rw_offset += p_i93->block_size; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } |
| /* if the first block of NDEF TLV is different from block of CC */ |
| else if (p_i93->ndef_tlv_start_offset / p_i93->block_size != 0) { |
| /* lock block of CC */ |
| if (rw_i93_send_cmd_lock_block(0) == NFC_STATUS_OK) { |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_LOCK_CC; |
| } else { |
| rw_i93_handle_error(NFC_STATUS_FAILED); |
| } |
| } else { |
| p_i93->intl_flags |= RW_I93_FLAG_READ_ONLY; |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| rw_data.status = NFC_STATUS_OK; |
| (*(rw_cb.p_cback))(RW_I93_SET_TAG_RO_EVT, &rw_data); |
| } |
| break; |
| |
| case RW_I93_SUBSTATE_WAIT_LOCK_CC: |
| |
| p_i93->intl_flags |= RW_I93_FLAG_READ_ONLY; |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| rw_data.status = NFC_STATUS_OK; |
| (*(rw_cb.p_cback))(RW_I93_SET_TAG_RO_EVT, &rw_data); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_handle_error |
| ** |
| ** Description notify error to application and clean up |
| ** |
| ** Returns none |
| ** |
| *******************************************************************************/ |
| void rw_i93_handle_error(tNFC_STATUS status) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| tRW_DATA rw_data; |
| tRW_EVENT event; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("status:0x%02X, state:0x%X", status, p_i93->state); |
| |
| nfc_stop_quick_timer(&p_i93->timer); |
| |
| if (rw_cb.p_cback) { |
| rw_data.status = status; |
| |
| switch (p_i93->state) { |
| case RW_I93_STATE_IDLE: /* in case of RawFrame */ |
| event = RW_I93_INTF_ERROR_EVT; |
| break; |
| |
| case RW_I93_STATE_BUSY: |
| if (p_i93->sent_cmd == I93_CMD_STAY_QUIET) { |
| /* There is no response to Stay Quiet command */ |
| rw_data.i93_cmd_cmpl.status = NFC_STATUS_OK; |
| rw_data.i93_cmd_cmpl.command = I93_CMD_STAY_QUIET; |
| rw_data.i93_cmd_cmpl.error_code = 0; |
| event = RW_I93_CMD_CMPL_EVT; |
| } else { |
| event = RW_I93_INTF_ERROR_EVT; |
| } |
| break; |
| |
| case RW_I93_STATE_DETECT_NDEF: |
| rw_data.ndef.protocol = NFC_PROTOCOL_T5T; |
| rw_data.ndef.cur_size = 0; |
| rw_data.ndef.max_size = 0; |
| rw_data.ndef.flags = 0; |
| rw_data.ndef.flags |= RW_NDEF_FL_FORMATABLE; |
| rw_data.ndef.flags |= RW_NDEF_FL_UNKNOWN; |
| event = RW_I93_NDEF_DETECT_EVT; |
| break; |
| |
| case RW_I93_STATE_READ_NDEF: |
| event = RW_I93_NDEF_READ_FAIL_EVT; |
| break; |
| |
| case RW_I93_STATE_UPDATE_NDEF: |
| p_i93->p_update_data = NULL; |
| event = RW_I93_NDEF_UPDATE_FAIL_EVT; |
| break; |
| |
| case RW_I93_STATE_FORMAT: |
| if (p_i93->p_update_data) { |
| GKI_freebuf(p_i93->p_update_data); |
| p_i93->p_update_data = NULL; |
| } |
| event = RW_I93_FORMAT_CPLT_EVT; |
| break; |
| |
| case RW_I93_STATE_SET_READ_ONLY: |
| event = RW_I93_SET_TAG_RO_EVT; |
| break; |
| |
| case RW_I93_STATE_PRESENCE_CHECK: |
| event = RW_I93_PRESENCE_CHECK_EVT; |
| break; |
| |
| default: |
| event = RW_I93_MAX_EVT; |
| break; |
| } |
| |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| if (event != RW_I93_MAX_EVT) { |
| (*(rw_cb.p_cback))(event, &rw_data); |
| } |
| } else { |
| p_i93->state = RW_I93_STATE_IDLE; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_process_timeout |
| ** |
| ** Description process timeout event |
| ** |
| ** Returns none |
| ** |
| *******************************************************************************/ |
| void rw_i93_process_timeout(TIMER_LIST_ENT* p_tle) { |
| NFC_HDR* p_buf; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("event=%d", p_tle->event); |
| |
| if (p_tle->event == NFC_TTYPE_RW_I93_RESPONSE) { |
| if ((rw_cb.tcb.i93.retry_count < RW_MAX_RETRIES) && |
| (rw_cb.tcb.i93.p_retry_cmd) && |
| (rw_cb.tcb.i93.sent_cmd != I93_CMD_STAY_QUIET)) { |
| rw_cb.tcb.i93.retry_count++; |
| LOG(ERROR) << StringPrintf("retry_count = %d", rw_cb.tcb.i93.retry_count); |
| |
| p_buf = rw_cb.tcb.i93.p_retry_cmd; |
| rw_cb.tcb.i93.p_retry_cmd = NULL; |
| |
| if (rw_i93_send_to_lower(p_buf)) { |
| return; |
| } |
| } |
| |
| /* all retrial is done or failed to send command to lower layer */ |
| if (rw_cb.tcb.i93.p_retry_cmd) { |
| GKI_freebuf(rw_cb.tcb.i93.p_retry_cmd); |
| rw_cb.tcb.i93.p_retry_cmd = NULL; |
| rw_cb.tcb.i93.retry_count = 0; |
| } |
| rw_i93_handle_error(NFC_STATUS_TIMEOUT); |
| } else { |
| LOG(ERROR) << StringPrintf("unknown event=%d", p_tle->event); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function rw_i93_data_cback |
| ** |
| ** Description This callback function receives the data from NFCC. |
| ** |
| ** Returns none |
| ** |
| *******************************************************************************/ |
| static void rw_i93_data_cback(__attribute__((unused)) uint8_t conn_id, |
| tNFC_CONN_EVT event, tNFC_CONN* p_data) { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| NFC_HDR* p_resp; |
| tRW_DATA rw_data; |
| |
| uint8_t begin_state = p_i93->state; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("event = 0x%X", event); |
| |
| if ((event == NFC_DEACTIVATE_CEVT) || (event == NFC_ERROR_CEVT) || |
| ((event == NFC_DATA_CEVT) && (p_data->status != NFC_STATUS_OK))) { |
| nfc_stop_quick_timer(&p_i93->timer); |
| |
| if (event == NFC_ERROR_CEVT || (p_data->status != NFC_STATUS_OK)) { |
| if ((p_i93->retry_count < RW_MAX_RETRIES) && (p_i93->p_retry_cmd)) { |
| p_i93->retry_count++; |
| |
| LOG(ERROR) << StringPrintf("retry_count = %d", p_i93->retry_count); |
| |
| p_resp = p_i93->p_retry_cmd; |
| p_i93->p_retry_cmd = NULL; |
| if (rw_i93_send_to_lower(p_resp)) { |
| return; |
| } |
| } |
| |
| /* all retrial is done or failed to send command to lower layer */ |
| if (p_i93->p_retry_cmd) { |
| GKI_freebuf(p_i93->p_retry_cmd); |
| p_i93->p_retry_cmd = NULL; |
| p_i93->retry_count = 0; |
| } |
| |
| rw_i93_handle_error((tNFC_STATUS)(*(uint8_t*)p_data)); |
| } else { |
| /* free retry buffer */ |
| if (p_i93->p_retry_cmd) { |
| GKI_freebuf(p_i93->p_retry_cmd); |
| p_i93->p_retry_cmd = NULL; |
| p_i93->retry_count = 0; |
| } |
| NFC_SetStaticRfCback(NULL); |
| p_i93->state = RW_I93_STATE_NOT_ACTIVATED; |
| } |
| return; |
| } |
| |
| if (event != NFC_DATA_CEVT) { |
| return; |
| } |
| |
| p_resp = (NFC_HDR*)p_data->data.p_data; |
| |
| nfc_stop_quick_timer(&p_i93->timer); |
| |
| /* free retry buffer */ |
| if (p_i93->p_retry_cmd) { |
| GKI_freebuf(p_i93->p_retry_cmd); |
| p_i93->p_retry_cmd = NULL; |
| p_i93->retry_count = 0; |
| } |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "RW I93 state: <%s (%d)>", rw_i93_get_state_name(p_i93->state).c_str(), |
| p_i93->state); |
| |
| switch (p_i93->state) { |
| case RW_I93_STATE_IDLE: |
| /* Unexpected Response from VICC, it should be raw frame response */ |
| /* forward to upper layer without parsing */ |
| p_i93->sent_cmd = 0; |
| if (rw_cb.p_cback) { |
| rw_data.raw_frame.status = p_data->data.status; |
| rw_data.raw_frame.p_data = p_resp; |
| (*(rw_cb.p_cback))(RW_I93_RAW_FRAME_EVT, &rw_data); |
| p_resp = NULL; |
| } else { |
| GKI_freebuf(p_resp); |
| } |
| break; |
| case RW_I93_STATE_BUSY: |
| p_i93->state = RW_I93_STATE_IDLE; |
| rw_i93_send_to_upper(p_resp); |
| GKI_freebuf(p_resp); |
| break; |
| |
| case RW_I93_STATE_DETECT_NDEF: |
| rw_i93_sm_detect_ndef(p_resp); |
| GKI_freebuf(p_resp); |
| break; |
| |
| case RW_I93_STATE_READ_NDEF: |
| rw_i93_sm_read_ndef(p_resp); |
| /* p_resp may send upper lyaer */ |
| break; |
| |
| case RW_I93_STATE_UPDATE_NDEF: |
| rw_i93_sm_update_ndef(p_resp); |
| GKI_freebuf(p_resp); |
| break; |
| |
| case RW_I93_STATE_FORMAT: |
| rw_i93_sm_format(p_resp); |
| GKI_freebuf(p_resp); |
| break; |
| |
| case RW_I93_STATE_SET_READ_ONLY: |
| rw_i93_sm_set_read_only(p_resp); |
| GKI_freebuf(p_resp); |
| break; |
| |
| case RW_I93_STATE_PRESENCE_CHECK: |
| p_i93->state = RW_I93_STATE_IDLE; |
| p_i93->sent_cmd = 0; |
| |
| /* if any response, send presence check with ok */ |
| rw_data.status = NFC_STATUS_OK; |
| (*(rw_cb.p_cback))(RW_I93_PRESENCE_CHECK_EVT, &rw_data); |
| GKI_freebuf(p_resp); |
| break; |
| |
| default: |
| LOG(ERROR) << StringPrintf("invalid state=%d", p_i93->state); |
| GKI_freebuf(p_resp); |
| break; |
| } |
| |
| if (begin_state != p_i93->state) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("RW I93 state changed:<%s> -> <%s>", |
| rw_i93_get_state_name(begin_state).c_str(), |
| rw_i93_get_state_name(p_i93->state).c_str()); |
| } |
| } |
| |
| /******************************************************************************* |
|