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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 | /* main.c - Application main entry point */ /* * Copyright (c) 2015-2016 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr/types.h> #include <stddef.h> #include <string.h> #include <errno.h> #include <misc/printk.h> #include <misc/byteorder.h> #include <zephyr.h> #include <bluetooth/bluetooth.h> #include <bluetooth/hci.h> #include <bluetooth/conn.h> #include <bluetooth/uuid.h> #include <bluetooth/gatt.h> #include <gatt/gap.h> #include <gatt/hrs.h> #include <gatt/dis.h> #include <gatt/bas.h> #include <gatt/cts.h> #define DEVICE_NAME CONFIG_BLUETOOTH_DEVICE_NAME #define DEVICE_NAME_LEN (sizeof(DEVICE_NAME) - 1) #define HEART_RATE_APPEARANCE 0x0341 /* Custom Service Variables */ static struct bt_uuid_128 vnd_uuid = BT_UUID_INIT_128( 0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12); static struct bt_uuid_128 vnd_enc_uuid = BT_UUID_INIT_128( 0xf1, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12); static struct bt_uuid_128 vnd_auth_uuid = BT_UUID_INIT_128( 0xf2, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12); static u8_t vnd_value[] = { 'V', 'e', 'n', 'd', 'o', 'r' }; static ssize_t read_vnd(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf, u16_t len, u16_t offset) { const char *value = attr->user_data; return bt_gatt_attr_read(conn, attr, buf, len, offset, value, strlen(value)); } static ssize_t write_vnd(struct bt_conn *conn, const struct bt_gatt_attr *attr, const void *buf, u16_t len, u16_t offset, u8_t flags) { u8_t *value = attr->user_data; if (offset + len > sizeof(vnd_value)) { return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET); } memcpy(value + offset, buf, len); return len; } static struct bt_gatt_ccc_cfg vnd_ccc_cfg[CONFIG_BLUETOOTH_MAX_PAIRED] = {}; static u8_t simulate_vnd; static u8_t indicating; static struct bt_gatt_indicate_params ind_params; static void vnd_ccc_cfg_changed(const struct bt_gatt_attr *attr, u16_t value) { simulate_vnd = (value == BT_GATT_CCC_INDICATE) ? 1 : 0; } static void indicate_cb(struct bt_conn *conn, const struct bt_gatt_attr *attr, u8_t err) { printk("Indication %s\n", err != 0 ? "fail" : "success"); indicating = 0; } #define MAX_DATA 74 static u8_t vnd_long_value[] = { 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '1', 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '2', 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '3', 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '4', 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '5', 'V', 'e', 'n', 'd', 'o', 'r', ' ', 'd', 'a', 't', 'a', '6', '.', ' ' }; static ssize_t read_long_vnd(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf, u16_t len, u16_t offset) { const char *value = attr->user_data; return bt_gatt_attr_read(conn, attr, buf, len, offset, value, sizeof(vnd_long_value)); } static ssize_t write_long_vnd(struct bt_conn *conn, const struct bt_gatt_attr *attr, const void *buf, u16_t len, u16_t offset, u8_t flags) { u8_t *value = attr->user_data; if (flags & BT_GATT_WRITE_FLAG_PREPARE) { return 0; } if (offset + len > sizeof(vnd_long_value)) { return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET); } memcpy(value + offset, buf, len); return len; } static const struct bt_uuid_128 vnd_long_uuid = BT_UUID_INIT_128( 0xf3, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12); static struct bt_gatt_cep vnd_long_cep = { .properties = BT_GATT_CEP_RELIABLE_WRITE, }; static int signed_value; static ssize_t read_signed(struct bt_conn *conn, const struct bt_gatt_attr *attr, void *buf, u16_t len, u16_t offset) { const char *value = attr->user_data; return bt_gatt_attr_read(conn, attr, buf, len, offset, value, sizeof(signed_value)); } static ssize_t write_signed(struct bt_conn *conn, const struct bt_gatt_attr *attr, const void *buf, u16_t len, u16_t offset, u8_t flags) { u8_t *value = attr->user_data; if (offset + len > sizeof(signed_value)) { return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET); } memcpy(value + offset, buf, len); return len; } static const struct bt_uuid_128 vnd_signed_uuid = BT_UUID_INIT_128( 0xf3, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x13, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x13); /* Vendor Primary Service Declaration */ static struct bt_gatt_attr vnd_attrs[] = { /* Vendor Primary Service Declaration */ BT_GATT_PRIMARY_SERVICE(&vnd_uuid), BT_GATT_CHARACTERISTIC(&vnd_enc_uuid.uuid, BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE | BT_GATT_CHRC_INDICATE), BT_GATT_DESCRIPTOR(&vnd_enc_uuid.uuid, BT_GATT_PERM_READ_ENCRYPT | BT_GATT_PERM_WRITE_ENCRYPT, read_vnd, write_vnd, vnd_value), BT_GATT_CCC(vnd_ccc_cfg, vnd_ccc_cfg_changed), BT_GATT_CHARACTERISTIC(&vnd_auth_uuid.uuid, BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE), BT_GATT_DESCRIPTOR(&vnd_auth_uuid.uuid, BT_GATT_PERM_READ_AUTHEN | BT_GATT_PERM_WRITE_AUTHEN, read_vnd, write_vnd, vnd_value), BT_GATT_CHARACTERISTIC(&vnd_long_uuid.uuid, BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE | BT_GATT_CHRC_EXT_PROP), BT_GATT_DESCRIPTOR(&vnd_long_uuid.uuid, BT_GATT_PERM_READ | BT_GATT_PERM_WRITE | BT_GATT_PERM_PREPARE_WRITE, read_long_vnd, write_long_vnd, &vnd_long_value), BT_GATT_CEP(&vnd_long_cep), BT_GATT_CHARACTERISTIC(&vnd_signed_uuid.uuid, BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE | BT_GATT_CHRC_AUTH), BT_GATT_DESCRIPTOR(&vnd_signed_uuid.uuid, BT_GATT_PERM_READ | BT_GATT_PERM_WRITE, read_signed, write_signed, &signed_value), }; static const struct bt_data ad[] = { BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)), BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0x0d, 0x18, 0x0f, 0x18, 0x05, 0x18), BT_DATA_BYTES(BT_DATA_UUID128_ALL, 0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12), }; static const struct bt_data sd[] = { BT_DATA(BT_DATA_NAME_COMPLETE, DEVICE_NAME, DEVICE_NAME_LEN), }; static void connected(struct bt_conn *conn, u8_t err) { if (err) { printk("Connection failed (err %u)\n", err); } else { printk("Connected\n"); } } static void disconnected(struct bt_conn *conn, u8_t reason) { printk("Disconnected (reason %u)\n", reason); } static struct bt_conn_cb conn_callbacks = { .connected = connected, .disconnected = disconnected, }; static void bt_ready(int err) { if (err) { printk("Bluetooth init failed (err %d)\n", err); return; } printk("Bluetooth initialized\n"); gap_init(DEVICE_NAME, HEART_RATE_APPEARANCE); hrs_init(0x01); bas_init(); cts_init(); dis_init(CONFIG_SOC, "Manufacturer"); bt_gatt_register(vnd_attrs, ARRAY_SIZE(vnd_attrs)); err = bt_le_adv_start(BT_LE_ADV_CONN, ad, ARRAY_SIZE(ad), sd, ARRAY_SIZE(sd)); if (err) { printk("Advertising failed to start (err %d)\n", err); return; } printk("Advertising successfully started\n"); } 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)); printk("Passkey for %s: %06u\n", addr, passkey); } 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)); printk("Pairing cancelled: %s\n", addr); } static struct bt_conn_auth_cb auth_cb_display = { .passkey_display = auth_passkey_display, .passkey_entry = NULL, .cancel = auth_cancel, }; void main(void) { int err; err = bt_enable(bt_ready); if (err) { printk("Bluetooth init failed (err %d)\n", err); return; } bt_conn_cb_register(&conn_callbacks); bt_conn_auth_cb_register(&auth_cb_display); /* Implement notification. At the moment there is no suitable way * of starting delayed work so we do it here */ while (1) { k_sleep(MSEC_PER_SEC); /* Current Time Service updates only when time is changed */ cts_notify(); /* Heartrate measurements simulation */ hrs_notify(); /* Battery level simulation */ bas_notify(); /* Vendor indication simulation */ if (simulate_vnd) { if (indicating) { continue; } ind_params.attr = &vnd_attrs[2]; ind_params.func = indicate_cb; ind_params.data = &indicating; ind_params.len = sizeof(indicating); if (bt_gatt_indicate(NULL, &ind_params) == 0) { indicating = 1; } } } } |