1 /******************************************************************************
2 *
3 * Copyright (C) 2010-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 /******************************************************************************
20 *
21 * This is the main implementation file for the NFA Connection Handover.
22 *
23 ******************************************************************************/
24 #include <string.h>
25 #include "nfc_api.h"
26 #include "nfa_sys.h"
27 #include "nfa_cho_api.h"
28 #include "nfa_cho_int.h"
29 #include "trace_api.h"
30
31 /*****************************************************************************
32 ** Global Variables
33 *****************************************************************************/
34
35 /* system manager control block definition */
36 #if NFA_DYNAMIC_MEMORY == FALSE
37 tNFA_CHO_CB nfa_cho_cb;
38 #endif
39
40 /*****************************************************************************
41 ** Static Functions
42 *****************************************************************************/
43
44 /* event handler function type */
45 static BOOLEAN nfa_cho_evt_hdlr (BT_HDR *p_msg);
46
47 /* disable function type */
48 static void nfa_cho_sys_disable (void);
49
50 /*****************************************************************************
51 ** Constants
52 *****************************************************************************/
53 static const tNFA_SYS_REG nfa_cho_sys_reg =
54 {
55 NULL,
56 nfa_cho_evt_hdlr,
57 nfa_cho_sys_disable,
58 NULL
59 };
60
61 /*******************************************************************************
62 **
63 ** Function nfa_cho_timer_cback
64 **
65 ** Description Process timeout event when timer expires
66 **
67 **
68 ** Returns None
69 **
70 *******************************************************************************/
nfa_cho_timer_cback(void * p_tle)71 static void nfa_cho_timer_cback (void *p_tle)
72 {
73 nfa_cho_sm_execute (NFA_CHO_TIMEOUT_EVT, NULL);
74 }
75
76 /*******************************************************************************
77 **
78 ** Function nfa_cho_init
79 **
80 ** Description Initialize NFA Connection Handover
81 **
82 **
83 ** Returns None
84 **
85 *******************************************************************************/
nfa_cho_init(void)86 void nfa_cho_init (void)
87 {
88 CHO_TRACE_DEBUG0 ("nfa_cho_init ()");
89
90 /* initialize control block */
91 memset (&nfa_cho_cb, 0, sizeof (tNFA_CHO_CB));
92
93 nfa_cho_cb.server_sap = LLCP_INVALID_SAP;
94 nfa_cho_cb.client_sap = LLCP_INVALID_SAP;
95 nfa_cho_cb.remote_sap = LLCP_INVALID_SAP;
96
97 nfa_cho_cb.hs_ndef_type_handle = NFA_HANDLE_INVALID;
98 nfa_cho_cb.bt_ndef_type_handle = NFA_HANDLE_INVALID;
99 nfa_cho_cb.wifi_ndef_type_handle = NFA_HANDLE_INVALID;
100
101 nfa_cho_cb.trace_level = APPL_INITIAL_TRACE_LEVEL;
102
103 /* register message handler on NFA SYS */
104 nfa_sys_register ( NFA_ID_CHO, &nfa_cho_sys_reg);
105
106 /* initialize timer callback */
107 nfa_cho_cb.timer.p_cback = nfa_cho_timer_cback;
108 }
109
110 /*******************************************************************************
111 **
112 ** Function nfa_cho_sys_disable
113 **
114 ** Description Deregister NFA Connection Handover from NFA SYS/DM
115 **
116 **
117 ** Returns None
118 **
119 *******************************************************************************/
nfa_cho_sys_disable(void)120 static void nfa_cho_sys_disable (void)
121 {
122 CHO_TRACE_DEBUG0 ("nfa_cho_sys_disable ()");
123
124 /* clean up if application is still registered */
125 if (nfa_cho_cb.p_cback)
126 {
127 nfa_cho_proc_api_dereg ();
128 }
129
130 /* deregister message handler on NFA SYS */
131 nfa_sys_deregister (NFA_ID_CHO);
132 }
133
134 /*******************************************************************************
135 **
136 ** Function nfa_cho_evt_hdlr
137 **
138 ** Description Processing event for NFA Connection Handover
139 **
140 **
141 ** Returns TRUE if p_msg needs to be deallocated
142 **
143 *******************************************************************************/
nfa_cho_evt_hdlr(BT_HDR * p_msg)144 static BOOLEAN nfa_cho_evt_hdlr (BT_HDR *p_msg)
145 {
146 tNFA_CHO_INT_EVENT_DATA *p_data = (tNFA_CHO_INT_EVENT_DATA *) p_msg;
147
148 nfa_cho_sm_execute (p_data->hdr.event, p_data);
149
150 return TRUE;
151 }
152
153
154