1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
*
* neard - Near Field Communication manager
*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __NEAR_SNEP_CORE_H
#define __NEAR_SNEP_CORE_H
#include <near/device.h>
#define NEAR_SNEP_VERSION 0x10
#define NEAR_SNEP_MAJOR(version) (((version) >> 4) & 0xf)
#define NEAR_SNEP_MINOR(version) ((version) & 0xf)
#define NEAR_SNEP_MSG_SIZE 0x06
#define NEAR_SNEP_ACCEPTABLE_LENGTH 1024
#define NEAR_SNEP_ACC_LENGTH_SIZE 4
/* Request codes */
#define NEAR_SNEP_REQ_CONTINUE 0x00
#define NEAR_SNEP_REQ_GET 0x01
#define NEAR_SNEP_REQ_PUT 0x02
#define NEAR_SNEP_REQ_REJECT 0x7f
/* Response codes */
#define NEAR_SNEP_RESP_CONTINUE 0x80
#define NEAR_SNEP_RESP_SUCCESS 0x81
#define NEAR_SNEP_RESP_NOT_FOUND 0xc0
#define NEAR_SNEP_RESP_EXCESS 0xc1
#define NEAR_SNEP_RESP_BAD_REQ 0xc2
#define NEAR_SNEP_RESP_NOT_IMPL 0xe0
#define NEAR_SNEP_RESP_VERSION 0xe1
#define NEAR_SNEP_RESP_REJECT 0xff
#define NEAR_SNEP_REQ_PUT_HEADER_LENGTH 6
#define NEAR_SNEP_REQ_GET_HEADER_LENGTH 10
/* Default SNEP Resp message header length: Version + code + len */
#define NEAR_SNEP_RESP_HEADER_LENGTH (1 + 1 + 4)
/* Offset of 'H' in Android frame: 3 is the offset in NDEF */
#define NEAR_SNEP_REQ_ANDROID (NEAR_SNEP_ACC_LENGTH_SIZE + 3)
/* TODO: Right now it is dummy, need to get correct value
* from lower layers */
#define NEAR_SNEP_REQ_MAX_FRAGMENT_LENGTH 128
typedef near_bool_t (*near_server_io) (int client_fd, void *snep_data);
struct p2p_snep_data {
uint8_t *nfc_data;
uint32_t nfc_data_length;
uint32_t nfc_data_current_length;
uint8_t *nfc_data_ptr;
uint32_t adapter_idx;
uint32_t target_idx;
gboolean respond_continue;
uint8_t request;
near_tag_io_cb cb;
struct p2p_snep_put_req_data *req;
};
near_bool_t near_snep_core_read(int client_fd,
uint32_t adapter_idx, uint32_t target_idx,
near_tag_io_cb cb,
near_server_io req_get,
near_server_io req_put);
int near_snep_core_push(int fd, uint32_t adapter_idx, uint32_t target_idx,
struct near_ndef_message *ndef,
near_device_io_cb cb);
void near_snep_core_close(int client_fd, int err);
void near_snep_core_response_noinfo(int client_fd, uint8_t response);
void near_snep_core_response_with_info(int client_fd, uint8_t response,
uint8_t *data, int length);
void near_snep_core_parse_handover_record(int client_fd, uint8_t *ndef,
uint32_t nfc_data_length);
#endif
|