1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <stdlib.h>
18 #include "../includes/common.h"
19 #include "../includes/memutils.h"
20 
21 #include <log/log.h>
22 #include <nfc_api.h>
23 #include <nfc_int.h>
24 #include <rw_int.h>
25 #include <tags_defs.h>
26 
27 extern tRW_CB rw_cb;
28 extern tNFC_CB nfc_cb;
29 void rw_init(void);
30 tNFC_STATUS rw_t4t_select(void);
GKI_freebuf(void * x)31 void GKI_freebuf(void* x) { (void)x; }
32 
33 // borrowed from rw_t4t.cc
34 /* main state */
35 #define RW_T4T_STATE_READ_NDEF 0x03
36 /* sub state */
37 #define RW_T4T_SUBSTATE_WAIT_READ_RESP 0x05
38 
GKI_start_timer(uint8_t,int32_t,bool)39 void GKI_start_timer(uint8_t, int32_t, bool) {}
GKI_stop_timer(uint8_t)40 void GKI_stop_timer(uint8_t) {}
41 
poc_cback(tRW_EVENT event,tRW_DATA * p_rw_data)42 void poc_cback(tRW_EVENT event, tRW_DATA* p_rw_data) {
43     (void)event;
44     (void)p_rw_data;
45 }
46 
main()47 int main() {
48     tNFC_ACTIVATE_DEVT p_activate_params = {};
49     p_activate_params.protocol = NFC_PROTOCOL_ISO_DEP;
50     p_activate_params.rf_tech_param.mode = NFC_DISCOVERY_TYPE_POLL_A;
51     RW_SetActivatedTagType(&p_activate_params, &poc_cback);
52     if (rw_cb.p_cback != &poc_cback) {
53         ALOGE("Structure tRW_CB mismatch rw_cb.p_cback=%p poc_cback=%p\n", rw_cb.p_cback,
54               poc_cback);
55         return EXIT_FAILURE;
56     }
57     tRW_T4T_CB* p_t4t = &rw_cb.tcb.t4t;
58     GKI_init();
59     rw_init();
60 
61     if ((rw_t4t_select()) != NFC_STATUS_OK) {
62         return EXIT_FAILURE;
63     }
64 
65     tNFC_CONN* p_data = (tNFC_CONN*)malloc(sizeof(tNFC_CONN));
66     if (!p_data) {
67         return EXIT_FAILURE;
68     }
69     p_data->data.p_data = (NFC_HDR*)malloc(sizeof(uint8_t) * 16);
70     if (!(p_data->data.p_data)) {
71         free(p_data);
72         return EXIT_FAILURE;
73     }
74     p_data->status = NFC_STATUS_OK;
75 
76     p_t4t->state = RW_T4T_STATE_READ_NDEF;
77     p_t4t->sub_state = RW_T4T_SUBSTATE_WAIT_READ_RESP;
78 
79     NFC_HDR* p_r_apdu = (NFC_HDR*)p_data->data.p_data;
80     p_r_apdu->offset = 8;
81     p_r_apdu->len = 1;
82 
83     tNFC_CONN_CB* p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID];
84     tNFC_CONN_EVT event = NFC_DATA_CEVT;
85 
86     p_cb->p_cback(0, event, p_data);
87 
88     free(p_data->data.p_data);
89     free(p_data);
90 
91     return EXIT_SUCCESS;
92 }
93