| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include <stdlib.h> |
| #include <nfc_api.h> |
| #include <nfc_int.h> |
| #include <rw_int.h> |
| #include <tags_defs.h> |
| |
| #define RWLENGTH 32 |
| #define PLENGTH 1 |
| #define OFFSET 7 |
| |
| // borrowed from rw_i93.cc |
| extern tRW_CB rw_cb; |
| extern tNFC_CB nfc_cb; |
| void rw_init(void); |
| tNFC_STATUS rw_i93_select(uint8_t* p_uid); |
| |
| // borrowed from rw_i93.cc |
| 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 */ |
| }; |
| |
| // borrowed from rw_i93.cc |
| 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 */ |
| }; |
| |
| void GKI_freebuf(void* p_buf __attribute__((unused))) {} |
| |
| int main() { |
| tRW_I93_CB* p_i93 = &rw_cb.tcb.i93; |
| |
| GKI_init(); |
| rw_init(); |
| |
| uint8_t p_uid = 1; |
| if (rw_i93_select(&p_uid) != NFC_STATUS_OK) { |
| return EXIT_FAILURE; |
| } |
| |
| tNFC_CONN_CB* p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; |
| tNFC_CONN_EVT event = NFC_DATA_CEVT; |
| |
| tNFC_CONN* p_data = (tNFC_CONN*)malloc(sizeof(tNFC_CONN)); |
| |
| if (!p_data) { |
| return EXIT_FAILURE; |
| } |
| |
| p_data->data.p_data = (NFC_HDR*)malloc(sizeof(uint8_t) * (OFFSET + PLENGTH) * 2); |
| |
| if (!(p_data->data.p_data)) { |
| free(p_data); |
| return EXIT_FAILURE; |
| } |
| |
| p_i93->state = RW_I93_STATE_SET_READ_ONLY; |
| p_i93->sub_state = RW_I93_SUBSTATE_WAIT_CC; |
| p_i93->block_size = 1; |
| |
| p_i93->ndef_tlv_start_offset = 0; |
| p_i93->rw_length = RWLENGTH; |
| p_i93->ndef_length = p_i93->rw_length * 2; |
| |
| p_data->status = NFC_STATUS_OK; |
| NFC_HDR* p_resp = (NFC_HDR*)p_data->data.p_data; |
| p_resp->len = PLENGTH; |
| p_resp->offset = OFFSET; |
| |
| p_cb->p_cback(0, event, p_data); |
| |
| free(p_data->data.p_data); |
| free(p_data); |
| |
| return EXIT_SUCCESS; |
| } |
| |