xref: /btstack/example/ancs_client_demo.c (revision b3fcedb9c9ccbcc9680da165cd86f394be5d84a8)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
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5  * modification, are permitted provided that the following conditions
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9  *    notice, this list of conditions and the following disclaimer.
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37 
38 // *****************************************************************************
39 //
40 // ANCS Client Demo
41 //
42 // TODO: query full text upon notification using control point
43 // TODO: present notifications in human readable form
44 //
45 // *****************************************************************************
46 
47 #include <stdint.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 
53 #include "btstack_config.h"
54 
55 #include "btstack_run_loop.h"
56 
57 #include "btstack_debug.h"
58 #include "btstack_event.h"
59 #include "btstack_memory.h"
60 #include "gap.h"
61 #include "hci.h"
62 #include "hci_dump.h"
63 #include "l2cap.h"
64 
65 #include "ble/ancs_client.h"
66 #include "ble/att_db.h"
67 #include "ble/att_server.h"
68 #include "ble/gatt_client.h"
69 #include "ble/le_device_db.h"
70 #include "ble/sm.h"
71 
72 // ancs client demo profile
73 #include "ancs_client_demo.h"
74 
75 static const uint8_t adv_data[] = {
76     // Flags general discoverable
77     0x02, 0x01, 0x02,
78     // Name
79     0x05, 0x09, 'A', 'N', 'C', 'S',
80     // Service Solicitation, 128-bit UUIDs - ANCS (little endian)
81     0x11,0x15,0xD0,0x00,0x2D,0x12,0x1E,0x4B,0x0F,0xA4,0x99,0x4E,0xCE,0xB5,0x31,0xF4,0x05,0x79
82 };
83 static uint8_t adv_data_len = sizeof(adv_data);
84 static btstack_packet_callback_registration_t hci_event_callback_registration;
85 static btstack_packet_callback_registration_t sm_event_callback_registration;
86 
87 static void app_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
88     switch (packet_type) {
89         case HCI_EVENT_PACKET:
90             switch (hci_event_packet_get_type(packet)) {
91                 case SM_EVENT_JUST_WORKS_REQUEST:
92                     sm_just_works_confirm(sm_event_just_works_request_get_handle(packet));
93                     printf("Just Works Confirmed.\n");
94                     break;
95                 case SM_EVENT_PASSKEY_DISPLAY_NUMBER:
96                     printf("Passkey display: %06u.\n", sm_event_passkey_display_number_get_passkey(packet));
97                     break;
98             }
99             break;
100     }
101 }
102 
103 static void ancs_callback(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
104     const char * attribute_name;
105     if (hci_event_packet_get_type(packet) != HCI_EVENT_ANCS_META) return;
106     switch (hci_event_ancs_meta_get_subevent_code(packet)){
107         case ANCS_SUBEVENT_CLIENT_CONNECTED:
108             printf("ANCS Client: Connected\n");
109             break;
110         case ANCS_SUBEVENT_CLIENT_DISCONNECTED:
111             printf("ANCS Client: Disconnected\n");
112             break;
113         case ANCS_SUBEVENT_CLIENT_NOTIFICATION:
114             attribute_name = ancs_client_attribute_name_for_id(ancs_subevent_client_notification_get_attribute_id(packet));
115             if (!attribute_name) break;
116             printf("Notification: %s - %s\n", attribute_name, ancs_subevent_client_notification_get_text(packet));
117             break;
118         default:
119             break;
120     }
121 }
122 
123 int btstack_main(int argc, const char * argv[]);
124 int btstack_main(int argc, const char * argv[]){
125 
126     printf("BTstack ANCS Client starting up...\n");
127 
128     // register for HCI events
129     hci_event_callback_registration.callback = &app_packet_handler;
130     hci_add_event_handler(&hci_event_callback_registration);
131 
132     // set up l2cap_le
133     l2cap_init();
134 
135     // setup le device db
136     le_device_db_init();
137 
138     // setup SM: Display only
139     sm_init();
140     sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY);
141     sm_set_authentication_requirements( SM_AUTHREQ_BONDING );
142 
143     // register for SM events
144     sm_event_callback_registration.callback = &app_packet_handler;
145     sm_add_event_handler(&sm_event_callback_registration);
146 
147     // setup ATT server
148     att_server_init(profile_data, NULL, NULL);
149     att_server_register_packet_handler(app_packet_handler);
150 
151     // setup GATT client
152     gatt_client_init();
153 
154     // setup ANCS Client
155     ancs_client_init();
156     ancs_client_register_callback(&ancs_callback);
157 
158     // setup advertisements
159     uint16_t adv_int_min = 0x0030;
160     uint16_t adv_int_max = 0x0030;
161     uint8_t adv_type = 0;
162     bd_addr_t null_addr;
163     memset(null_addr, 0, 6);
164     gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00);
165     gap_advertisements_set_data(adv_data_len, (uint8_t*) adv_data);
166     gap_advertisements_enable(1);
167 
168     // turn on!
169     hci_power_control(HCI_POWER_ON);
170 
171     return 0;
172 }
173