xref: /btstack/example/ancs_client_demo.c (revision a4fe6467953bdb173fdf96a604f6527ed88f81c3)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define __BTSTACK_FILE__ "ancs_client_demo.c"
39 
40 // *****************************************************************************
41 //
42 // ANCS Client Demo
43 //
44 // TODO: query full text upon notification using control point
45 // TODO: present notifications in human readable form
46 //
47 // *****************************************************************************
48 
49 #include <stdint.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <inttypes.h>
54 
55 #include "btstack_config.h"
56 
57 #include "btstack_run_loop.h"
58 
59 #include "btstack_debug.h"
60 #include "btstack_event.h"
61 #include "btstack_memory.h"
62 #include "gap.h"
63 #include "hci.h"
64 #include "hci_dump.h"
65 #include "l2cap.h"
66 
67 #include "ble/ancs_client.h"
68 #include "ble/att_db.h"
69 #include "ble/att_server.h"
70 #include "ble/gatt_client.h"
71 #include "ble/le_device_db.h"
72 #include "ble/sm.h"
73 
74 // ancs client demo profile
75 #include "ancs_client_demo.h"
76 
77 static const uint8_t adv_data[] = {
78     // Flags general discoverable, BR/EDR not supported
79     0x02, 0x01, 0x06,
80     // Name
81     0x05, 0x09, 'A', 'N', 'C', 'S',
82     // Service Solicitation, 128-bit UUIDs - ANCS (little endian)
83     0x11,0x15,0xD0,0x00,0x2D,0x12,0x1E,0x4B,0x0F,0xA4,0x99,0x4E,0xCE,0xB5,0x31,0xF4,0x05,0x79
84 };
85 static uint8_t adv_data_len = sizeof(adv_data);
86 static btstack_packet_callback_registration_t hci_event_callback_registration;
87 static btstack_packet_callback_registration_t sm_event_callback_registration;
88 
89 static void app_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
90     UNUSED(channel);
91     UNUSED(size);
92 
93     switch (packet_type) {
94         case HCI_EVENT_PACKET:
95             switch (hci_event_packet_get_type(packet)) {
96                 case SM_EVENT_JUST_WORKS_REQUEST:
97                     sm_just_works_confirm(sm_event_just_works_request_get_handle(packet));
98                     printf("Just Works Confirmed.\n");
99                     break;
100                 case SM_EVENT_PASSKEY_DISPLAY_NUMBER:
101                     printf("Passkey display: %"PRIu32"\n", sm_event_passkey_display_number_get_passkey(packet));
102                     break;
103             }
104             break;
105     }
106 }
107 
108 static void ancs_callback(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
109     UNUSED(packet_type);
110     UNUSED(channel);
111     UNUSED(size);
112 
113     const char * attribute_name;
114     if (hci_event_packet_get_type(packet) != HCI_EVENT_ANCS_META) return;
115     switch (hci_event_ancs_meta_get_subevent_code(packet)){
116         case ANCS_SUBEVENT_CLIENT_CONNECTED:
117             printf("ANCS Client: Connected\n");
118             break;
119         case ANCS_SUBEVENT_CLIENT_DISCONNECTED:
120             printf("ANCS Client: Disconnected\n");
121             break;
122         case ANCS_SUBEVENT_CLIENT_NOTIFICATION:
123             attribute_name = ancs_client_attribute_name_for_id(ancs_subevent_client_notification_get_attribute_id(packet));
124             if (!attribute_name) break;
125             printf("Notification: %s - %s\n", attribute_name, ancs_subevent_client_notification_get_text(packet));
126             break;
127         default:
128             break;
129     }
130 }
131 
132 int btstack_main(int argc, const char * argv[]);
133 int btstack_main(int argc, const char * argv[]){
134     (void)argc;
135     (void)argv;
136 
137     printf("BTstack ANCS Client starting up...\n");
138 
139 
140     // set up l2cap_le
141     l2cap_init();
142 
143     // setup le device db
144     le_device_db_init();
145 
146     // setup SM: Display only
147     sm_init();
148     sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY);
149     sm_set_authentication_requirements( SM_AUTHREQ_BONDING );
150 
151     // register for HCI events
152     hci_event_callback_registration.callback = &app_packet_handler;
153     hci_add_event_handler(&hci_event_callback_registration);
154 
155     // register for SM events
156     sm_event_callback_registration.callback = &app_packet_handler;
157     sm_add_event_handler(&sm_event_callback_registration);
158 
159     // setup ATT server
160     att_server_init(profile_data, NULL, NULL);
161 
162     // setup ANCS Client
163     ancs_client_init();
164 
165 
166     // register for ATT Serer events
167     att_server_register_packet_handler(app_packet_handler);
168 
169     // setup GATT client
170     gatt_client_init();
171 
172     // register for ancs events
173     ancs_client_register_callback(&ancs_callback);
174 
175     // setup advertisements
176     uint16_t adv_int_min = 0x0030;
177     uint16_t adv_int_max = 0x0030;
178     uint8_t adv_type = 0;
179     bd_addr_t null_addr;
180     memset(null_addr, 0, 6);
181     gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00);
182     gap_advertisements_set_data(adv_data_len, (uint8_t*) adv_data);
183     gap_advertisements_enable(1);
184 
185     // turn on!
186     hci_power_control(HCI_POWER_ON);
187 
188     return 0;
189 }
190