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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <device.h>
#include <init.h>
#include <math.h>
#include <settings/settings.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/conn.h>
#include <bluetooth/hci.h>
#include <bluetooth/uuid.h>
#include <bluetooth/gatt.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/keys.h>
#include <zmk/split/bluetooth/uuid.h>
static struct bt_conn *auth_passkey_entry_conn;
static u8_t passkey_entries[6] = {0, 0, 0, 0, 0, 0};
static u8_t passkey_digit = 0;
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
#define ZMK_ADV_PARAMS BT_LE_ADV_PARAM(BT_LE_ADV_OPT_CONNECTABLE | \
BT_LE_ADV_OPT_USE_NAME | \
BT_LE_ADV_OPT_ONE_TIME, \
BT_GAP_ADV_FAST_INT_MIN_2, \
BT_GAP_ADV_FAST_INT_MAX_2, NULL)
#else
#define ZMK_ADV_PARAMS BT_LE_ADV_CONN_NAME
#endif
static void connected(struct bt_conn *conn, u8_t err)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
if (err)
{
LOG_WRN("Failed to connect to %s (%u)", log_strdup(addr), err);
return;
}
LOG_DBG("Connected %s", log_strdup(addr));
bt_conn_le_param_update(conn, BT_LE_CONN_PARAM(0x0006, 0x000c, 30, 400));
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
bt_conn_le_phy_update(conn, BT_CONN_LE_PHY_PARAM_2M);
#endif
if (bt_conn_set_security(conn, BT_SECURITY_L2))
{
LOG_ERR("Failed to set security");
}
}
static void disconnected(struct bt_conn *conn, u8_t reason)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
LOG_DBG("Disconnected from %s (reason 0x%02x)", log_strdup(addr), reason);
}
static void security_changed(struct bt_conn *conn, bt_security_t level,
enum bt_security_err err)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
if (!err)
{
LOG_DBG("Security changed: %s level %u", log_strdup(addr), level);
}
else
{
LOG_ERR("Security failed: %s level %u err %d", log_strdup(addr), level,
err);
}
}
static struct bt_conn_cb conn_callbacks = {
.connected = connected,
.disconnected = disconnected,
.security_changed = security_changed,
};
static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
LOG_DBG("Passkey for %s: %06u", log_strdup(addr), passkey);
}
#ifdef CONFIG_ZMK_BLE_PASSKEY_ENTRY
static void auth_passkey_entry(struct bt_conn *conn)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
LOG_DBG("Passkey entry requested for %s", log_strdup(addr));
auth_passkey_entry_conn = bt_conn_ref(conn);
}
#endif
static void auth_cancel(struct bt_conn *conn)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
if (auth_passkey_entry_conn)
{
bt_conn_unref(auth_passkey_entry_conn);
auth_passkey_entry_conn = NULL;
}
passkey_digit = 0;
LOG_DBG("Pairing cancelled: %s", log_strdup(addr));
}
static struct bt_conn_auth_cb zmk_ble_auth_cb_display = {
// .passkey_display = auth_passkey_display,
#ifdef CONFIG_ZMK_BLE_PASSKEY_ENTRY
.passkey_entry = auth_passkey_entry,
#endif
.cancel = auth_cancel,
};
static const struct bt_data zmk_ble_ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
BT_DATA_BYTES(BT_DATA_UUID16_SOME,
#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
0x12, 0x18, /* HID Service */
#endif
0x0f, 0x18 /* Battery Service */
),
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
BT_DATA_BYTES(BT_DATA_UUID128_ALL,
ZMK_SPLIT_BT_SERVICE_UUID)
#endif
};
static void zmk_ble_ready(int err)
{
LOG_DBG("ready? %d", err);
if (err)
{
LOG_ERR("Bluetooth init failed (err %d)", err);
return;
}
err = bt_le_adv_start(ZMK_ADV_PARAMS, zmk_ble_ad, ARRAY_SIZE(zmk_ble_ad), NULL, 0);
if (err)
{
LOG_ERR("Advertising failed to start (err %d)", err);
return;
}
}
static int zmk_ble_init(struct device *_arg)
{
int err = bt_enable(NULL);
if (err)
{
LOG_ERR("BLUETOOTH FAILED (%d)", err);
return err;
}
if (IS_ENABLED(CONFIG_BT_SETTINGS))
{
settings_load();
}
bt_conn_cb_register(&conn_callbacks);
bt_conn_auth_cb_register(&zmk_ble_auth_cb_display);
zmk_ble_ready(0);
return 0;
}
int zmk_ble_unpair_all()
{
LOG_DBG("");
return bt_unpair(BT_ID_DEFAULT, NULL);
};
bool zmk_ble_handle_key_user(struct zmk_key_event *key_event)
{
zmk_key key = key_event->key;
if (!auth_passkey_entry_conn)
{
return true;
}
if (key < NUM_1 || key > NUM_0)
{
return true;
}
u32_t val = (key == NUM_0) ? 0 : (key - NUM_1 + 1);
passkey_entries[passkey_digit++] = val;
if (passkey_digit == 6)
{
u32_t passkey = 0;
for (int i = 5; i >= 0; i--)
{
passkey = (passkey * 10) + val;
}
bt_conn_auth_passkey_entry(auth_passkey_entry_conn, passkey);
bt_conn_unref(auth_passkey_entry_conn);
auth_passkey_entry_conn = NULL;
}
return false;
}
SYS_INIT(zmk_ble_init,
APPLICATION,
CONFIG_ZMK_BLE_INIT_PRIORITY);
|
