Shuta Nakamae / nRF51822

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source/nRF51ServiceDiscovery.cpp@392:b21c1373df4d, 2015-07-21 (annotated)

Committer:
rgrover1
Date:
Tue Jul 21 13:23:45 2015 +0100
Revision:
392:b21c1373df4d
Parent:
391:8cc3528a1233 
Synchronized with git rev 2e686550

Author: Andrew Fernandes

nRF51ServiceDiscovery should be able to match short AND long UUIDs.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 391:8cc3528a1233 1 /* mbed Microcontroller Library
rgrover1 391:8cc3528a1233 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 391:8cc3528a1233 3 *
rgrover1 391:8cc3528a1233 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 391:8cc3528a1233 5 * you may not use this file except in compliance with the License.
rgrover1 391:8cc3528a1233 6 * You may obtain a copy of the License at
rgrover1 391:8cc3528a1233 7 *
rgrover1 391:8cc3528a1233 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 391:8cc3528a1233 9 *
rgrover1 391:8cc3528a1233 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 391:8cc3528a1233 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 391:8cc3528a1233 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 391:8cc3528a1233 13 * See the License for the specific language governing permissions and
rgrover1 391:8cc3528a1233 14 * limitations under the License.
rgrover1 391:8cc3528a1233 15 */
rgrover1 391:8cc3528a1233 16
rgrover1 391:8cc3528a1233 17 #include "nRF51ServiceDiscovery.h"
rgrover1 391:8cc3528a1233 18
rgrover1 391:8cc3528a1233 19 ble_error_t
rgrover1 391:8cc3528a1233 20 nRF51ServiceDiscovery::launchCharacteristicDiscovery(Gap::Handle_t connectionHandle,
rgrover1 391:8cc3528a1233 21 Gap::Handle_t startHandle,
rgrover1 391:8cc3528a1233 22 Gap::Handle_t endHandle)
rgrover1 391:8cc3528a1233 23 {
rgrover1 391:8cc3528a1233 24 characteristicDiscoveryStarted(connectionHandle);
rgrover1 391:8cc3528a1233 25
rgrover1 391:8cc3528a1233 26 ble_gattc_handle_range_t handleRange = {
rgrover1 391:8cc3528a1233 27 .start_handle = startHandle,
rgrover1 391:8cc3528a1233 28 .end_handle = endHandle
rgrover1 391:8cc3528a1233 29 };
rgrover1 391:8cc3528a1233 30 uint32_t rc;
rgrover1 391:8cc3528a1233 31 if ((rc = sd_ble_gattc_characteristics_discover(connectionHandle, &handleRange)) != NRF_SUCCESS) {
rgrover1 391:8cc3528a1233 32 terminateCharacteristicDiscovery();
rgrover1 391:8cc3528a1233 33 switch (rc) {
rgrover1 391:8cc3528a1233 34 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 391:8cc3528a1233 35 case NRF_ERROR_INVALID_ADDR:
rgrover1 391:8cc3528a1233 36 return BLE_ERROR_INVALID_PARAM;
rgrover1 391:8cc3528a1233 37 case NRF_ERROR_BUSY:
rgrover1 391:8cc3528a1233 38 return BLE_STACK_BUSY;
rgrover1 391:8cc3528a1233 39 default:
rgrover1 391:8cc3528a1233 40 case NRF_ERROR_INVALID_STATE:
rgrover1 391:8cc3528a1233 41 return BLE_ERROR_INVALID_STATE;
rgrover1 391:8cc3528a1233 42 }
rgrover1 391:8cc3528a1233 43 }
rgrover1 391:8cc3528a1233 44
rgrover1 391:8cc3528a1233 45 return BLE_ERROR_NONE;
rgrover1 391:8cc3528a1233 46 }
rgrover1 391:8cc3528a1233 47
rgrover1 391:8cc3528a1233 48 void
rgrover1 391:8cc3528a1233 49 nRF51ServiceDiscovery::setupDiscoveredServices(const ble_gattc_evt_prim_srvc_disc_rsp_t *response)
rgrover1 391:8cc3528a1233 50 {
rgrover1 391:8cc3528a1233 51 serviceIndex = 0;
rgrover1 391:8cc3528a1233 52 numServices = response->count;
rgrover1 391:8cc3528a1233 53
rgrover1 391:8cc3528a1233 54 /* Account for the limitation on the number of discovered services we can handle at a time. */
rgrover1 391:8cc3528a1233 55 if (numServices > BLE_DB_DISCOVERY_MAX_SRV) {
rgrover1 391:8cc3528a1233 56 numServices = BLE_DB_DISCOVERY_MAX_SRV;
rgrover1 391:8cc3528a1233 57 }
rgrover1 391:8cc3528a1233 58
rgrover1 391:8cc3528a1233 59 serviceUUIDDiscoveryQueue.reset();
rgrover1 391:8cc3528a1233 60 for (unsigned serviceIndex = 0; serviceIndex < numServices; serviceIndex++) {
rgrover1 391:8cc3528a1233 61 if (response->services[serviceIndex].uuid.type == BLE_UUID_TYPE_UNKNOWN) {
rgrover1 391:8cc3528a1233 62 serviceUUIDDiscoveryQueue.enqueue(serviceIndex);
rgrover1 391:8cc3528a1233 63 services[serviceIndex].setup(response->services[serviceIndex].handle_range.start_handle,
rgrover1 391:8cc3528a1233 64 response->services[serviceIndex].handle_range.end_handle);
rgrover1 391:8cc3528a1233 65 } else {
rgrover1 391:8cc3528a1233 66 services[serviceIndex].setup(response->services[serviceIndex].uuid.uuid,
rgrover1 391:8cc3528a1233 67 response->services[serviceIndex].handle_range.start_handle,
rgrover1 391:8cc3528a1233 68 response->services[serviceIndex].handle_range.end_handle);
rgrover1 391:8cc3528a1233 69 }
rgrover1 391:8cc3528a1233 70 }
rgrover1 391:8cc3528a1233 71
rgrover1 391:8cc3528a1233 72 /* Trigger discovery of service UUID if necessary. */
rgrover1 391:8cc3528a1233 73 if (serviceUUIDDiscoveryQueue.getCount()) {
rgrover1 391:8cc3528a1233 74 serviceUUIDDiscoveryQueue.triggerFirst();
rgrover1 391:8cc3528a1233 75 }
rgrover1 391:8cc3528a1233 76 }
rgrover1 391:8cc3528a1233 77
rgrover1 391:8cc3528a1233 78 void
rgrover1 391:8cc3528a1233 79 nRF51ServiceDiscovery::setupDiscoveredCharacteristics(const ble_gattc_evt_char_disc_rsp_t *response)
rgrover1 391:8cc3528a1233 80 {
rgrover1 391:8cc3528a1233 81 characteristicIndex = 0;
rgrover1 391:8cc3528a1233 82 numCharacteristics = response->count;
rgrover1 391:8cc3528a1233 83
rgrover1 391:8cc3528a1233 84 /* Account for the limitation on the number of discovered characteristics we can handle at a time. */
rgrover1 391:8cc3528a1233 85 if (numCharacteristics > BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV) {
rgrover1 391:8cc3528a1233 86 numCharacteristics = BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV;
rgrover1 391:8cc3528a1233 87 }
rgrover1 391:8cc3528a1233 88
rgrover1 391:8cc3528a1233 89 charUUIDDiscoveryQueue.reset();
rgrover1 391:8cc3528a1233 90 for (unsigned charIndex = 0; charIndex < numCharacteristics; charIndex++) {
rgrover1 391:8cc3528a1233 91 if (response->chars[charIndex].uuid.type == BLE_UUID_TYPE_UNKNOWN) {
rgrover1 391:8cc3528a1233 92 charUUIDDiscoveryQueue.enqueue(charIndex);
rgrover1 391:8cc3528a1233 93 characteristics[charIndex].setup(gattc,
rgrover1 391:8cc3528a1233 94 connHandle,
rgrover1 391:8cc3528a1233 95 response->chars[charIndex].char_props,
rgrover1 391:8cc3528a1233 96 response->chars[charIndex].handle_decl,
rgrover1 391:8cc3528a1233 97 response->chars[charIndex].handle_value);
rgrover1 391:8cc3528a1233 98 } else {
rgrover1 391:8cc3528a1233 99 characteristics[charIndex].setup(gattc,
rgrover1 391:8cc3528a1233 100 connHandle,
rgrover1 391:8cc3528a1233 101 response->chars[charIndex].uuid.uuid,
rgrover1 391:8cc3528a1233 102 response->chars[charIndex].char_props,
rgrover1 391:8cc3528a1233 103 response->chars[charIndex].handle_decl,
rgrover1 391:8cc3528a1233 104 response->chars[charIndex].handle_value);
rgrover1 391:8cc3528a1233 105 }
rgrover1 391:8cc3528a1233 106 }
rgrover1 391:8cc3528a1233 107
rgrover1 391:8cc3528a1233 108 /* Trigger discovery of char UUID if necessary. */
rgrover1 391:8cc3528a1233 109 if (charUUIDDiscoveryQueue.getCount()) {
rgrover1 391:8cc3528a1233 110 charUUIDDiscoveryQueue.triggerFirst();
rgrover1 391:8cc3528a1233 111 }
rgrover1 391:8cc3528a1233 112 }
rgrover1 391:8cc3528a1233 113
rgrover1 391:8cc3528a1233 114 void
rgrover1 391:8cc3528a1233 115 nRF51ServiceDiscovery::progressCharacteristicDiscovery(void)
rgrover1 391:8cc3528a1233 116 {
rgrover1 391:8cc3528a1233 117 /* Iterate through the previously discovered characteristics cached in characteristics[]. */
rgrover1 391:8cc3528a1233 118 while ((state == CHARACTERISTIC_DISCOVERY_ACTIVE) && (characteristicIndex < numCharacteristics)) {
rgrover1 391:8cc3528a1233 119 if ((matchingCharacteristicUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) ||
rgrover1 391:8cc3528a1233 120 ((matchingCharacteristicUUID == characteristics[characteristicIndex].getUUID()) &&
rgrover1 391:8cc3528a1233 121 (matchingServiceUUID != UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)))) {
rgrover1 391:8cc3528a1233 122 if (characteristicCallback) {
rgrover1 391:8cc3528a1233 123 characteristicCallback(&characteristics[characteristicIndex]);
rgrover1 391:8cc3528a1233 124 }
rgrover1 391:8cc3528a1233 125 }
rgrover1 391:8cc3528a1233 126
rgrover1 391:8cc3528a1233 127 characteristicIndex++;
rgrover1 391:8cc3528a1233 128 }
rgrover1 391:8cc3528a1233 129
rgrover1 391:8cc3528a1233 130 /* Relaunch discovery of new characteristics beyond the last entry cached in characteristics[]. */
rgrover1 391:8cc3528a1233 131 if (state == CHARACTERISTIC_DISCOVERY_ACTIVE) {
rgrover1 391:8cc3528a1233 132 /* Determine the ending handle of the last cached characteristic. */
rgrover1 391:8cc3528a1233 133 Gap::Handle_t startHandle = characteristics[characteristicIndex - 1].getValueHandle() + 1;
rgrover1 391:8cc3528a1233 134 Gap::Handle_t endHandle = services[serviceIndex].getEndHandle();
rgrover1 391:8cc3528a1233 135 resetDiscoveredCharacteristics(); /* Note: resetDiscoveredCharacteristics() must come after fetching start and end Handles. */
rgrover1 391:8cc3528a1233 136
rgrover1 391:8cc3528a1233 137 if (startHandle < endHandle) {
rgrover1 391:8cc3528a1233 138 ble_gattc_handle_range_t handleRange = {
rgrover1 391:8cc3528a1233 139 .start_handle = startHandle,
rgrover1 391:8cc3528a1233 140 .end_handle = endHandle
rgrover1 391:8cc3528a1233 141 };
rgrover1 391:8cc3528a1233 142 if (sd_ble_gattc_characteristics_discover(connHandle, &handleRange) != NRF_SUCCESS) {
rgrover1 391:8cc3528a1233 143 terminateCharacteristicDiscovery();
rgrover1 391:8cc3528a1233 144 }
rgrover1 391:8cc3528a1233 145 } else {
rgrover1 391:8cc3528a1233 146 terminateCharacteristicDiscovery();
rgrover1 391:8cc3528a1233 147 }
rgrover1 391:8cc3528a1233 148 }
rgrover1 391:8cc3528a1233 149 }
rgrover1 391:8cc3528a1233 150
rgrover1 391:8cc3528a1233 151 void
rgrover1 391:8cc3528a1233 152 nRF51ServiceDiscovery::progressServiceDiscovery(void)
rgrover1 391:8cc3528a1233 153 {
rgrover1 391:8cc3528a1233 154 /* Iterate through the previously discovered services cached in services[]. */
rgrover1 391:8cc3528a1233 155 while ((state == SERVICE_DISCOVERY_ACTIVE) && (serviceIndex < numServices)) {
rgrover1 391:8cc3528a1233 156 if ((matchingServiceUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) ||
rgrover1 392:b21c1373df4d 157 (matchingServiceUUID == services[serviceIndex].getUUID())) {
rgrover1 391:8cc3528a1233 158
rgrover1 391:8cc3528a1233 159 if (serviceCallback && (matchingCharacteristicUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN))) {
rgrover1 391:8cc3528a1233 160 serviceCallback(&services[serviceIndex]);
rgrover1 391:8cc3528a1233 161 }
rgrover1 391:8cc3528a1233 162
rgrover1 391:8cc3528a1233 163 if ((state == SERVICE_DISCOVERY_ACTIVE) && characteristicCallback) {
rgrover1 391:8cc3528a1233 164 launchCharacteristicDiscovery(connHandle, services[serviceIndex].getStartHandle(), services[serviceIndex].getEndHandle());
rgrover1 391:8cc3528a1233 165 } else {
rgrover1 391:8cc3528a1233 166 serviceIndex++;
rgrover1 391:8cc3528a1233 167 }
rgrover1 391:8cc3528a1233 168 } else {
rgrover1 391:8cc3528a1233 169 serviceIndex++;
rgrover1 391:8cc3528a1233 170 }
rgrover1 391:8cc3528a1233 171 }
rgrover1 391:8cc3528a1233 172
rgrover1 391:8cc3528a1233 173 /* Relaunch discovery of new services beyond the last entry cached in services[]. */
rgrover1 391:8cc3528a1233 174 if ((state == SERVICE_DISCOVERY_ACTIVE) && (numServices > 0) && (serviceIndex > 0)) {
rgrover1 391:8cc3528a1233 175 /* Determine the ending handle of the last cached service. */
rgrover1 391:8cc3528a1233 176 Gap::Handle_t endHandle = services[serviceIndex - 1].getEndHandle();
rgrover1 391:8cc3528a1233 177 resetDiscoveredServices(); /* Note: resetDiscoveredServices() must come after fetching endHandle. */
rgrover1 391:8cc3528a1233 178
rgrover1 391:8cc3528a1233 179 if (endHandle == SRV_DISC_END_HANDLE) {
rgrover1 391:8cc3528a1233 180 terminateServiceDiscovery();
rgrover1 391:8cc3528a1233 181 } else {
rgrover1 391:8cc3528a1233 182 if (sd_ble_gattc_primary_services_discover(connHandle, endHandle, NULL) != NRF_SUCCESS) {
rgrover1 391:8cc3528a1233 183 terminateServiceDiscovery();
rgrover1 391:8cc3528a1233 184 }
rgrover1 391:8cc3528a1233 185 }
rgrover1 391:8cc3528a1233 186 }
rgrover1 391:8cc3528a1233 187 }
rgrover1 391:8cc3528a1233 188
rgrover1 391:8cc3528a1233 189 void
rgrover1 391:8cc3528a1233 190 nRF51ServiceDiscovery::ServiceUUIDDiscoveryQueue::triggerFirst(void)
rgrover1 391:8cc3528a1233 191 {
rgrover1 391:8cc3528a1233 192 while (numIndices) { /* loop until a call to char_value_by_uuid_read() succeeds or we run out of pending indices. */
rgrover1 391:8cc3528a1233 193 parentDiscoveryObject->state = DISCOVER_SERVICE_UUIDS;
rgrover1 391:8cc3528a1233 194
rgrover1 391:8cc3528a1233 195 unsigned serviceIndex = getFirst();
rgrover1 391:8cc3528a1233 196 ble_uuid_t uuid = {
rgrover1 391:8cc3528a1233 197 .uuid = BLE_UUID_SERVICE_PRIMARY,
rgrover1 391:8cc3528a1233 198 .type = BLE_UUID_TYPE_BLE,
rgrover1 391:8cc3528a1233 199 };
rgrover1 391:8cc3528a1233 200 ble_gattc_handle_range_t handleRange = {
rgrover1 391:8cc3528a1233 201 .start_handle = parentDiscoveryObject->services[serviceIndex].getStartHandle(),
rgrover1 391:8cc3528a1233 202 .end_handle = parentDiscoveryObject->services[serviceIndex].getEndHandle(),
rgrover1 391:8cc3528a1233 203 };
rgrover1 391:8cc3528a1233 204 if (sd_ble_gattc_char_value_by_uuid_read(parentDiscoveryObject->connHandle, &uuid, &handleRange) == NRF_SUCCESS) {
rgrover1 391:8cc3528a1233 205 return;
rgrover1 391:8cc3528a1233 206 }
rgrover1 391:8cc3528a1233 207
rgrover1 391:8cc3528a1233 208 /* Skip this service if we fail to launch a read for its service-declaration
rgrover1 391:8cc3528a1233 209 * attribute. Its UUID will remain INVALID, and it may not match any filters. */
rgrover1 391:8cc3528a1233 210 dequeue();
rgrover1 391:8cc3528a1233 211 }
rgrover1 391:8cc3528a1233 212
rgrover1 391:8cc3528a1233 213 /* Switch back to service discovery upon exhausting the service-indices pending UUID discovery. */
rgrover1 391:8cc3528a1233 214 if (parentDiscoveryObject->state == DISCOVER_SERVICE_UUIDS) {
rgrover1 391:8cc3528a1233 215 parentDiscoveryObject->state = SERVICE_DISCOVERY_ACTIVE;
rgrover1 391:8cc3528a1233 216 }
rgrover1 391:8cc3528a1233 217 }
rgrover1 391:8cc3528a1233 218
rgrover1 391:8cc3528a1233 219 void
rgrover1 391:8cc3528a1233 220 nRF51ServiceDiscovery::CharUUIDDiscoveryQueue::triggerFirst(void)
rgrover1 391:8cc3528a1233 221 {
rgrover1 391:8cc3528a1233 222 while (numIndices) { /* loop until a call to char_value_by_uuid_read() succeeds or we run out of pending indices. */
rgrover1 391:8cc3528a1233 223 parentDiscoveryObject->state = DISCOVER_CHARACTERISTIC_UUIDS;
rgrover1 391:8cc3528a1233 224
rgrover1 391:8cc3528a1233 225 unsigned charIndex = getFirst();
rgrover1 391:8cc3528a1233 226 ble_uuid_t uuid = {
rgrover1 391:8cc3528a1233 227 .uuid = BLE_UUID_CHARACTERISTIC,
rgrover1 391:8cc3528a1233 228 .type = BLE_UUID_TYPE_BLE,
rgrover1 391:8cc3528a1233 229 };
rgrover1 391:8cc3528a1233 230 ble_gattc_handle_range_t handleRange = { };
rgrover1 391:8cc3528a1233 231 handleRange.start_handle = parentDiscoveryObject->characteristics[charIndex].getDeclHandle();
rgrover1 391:8cc3528a1233 232 handleRange.end_handle = parentDiscoveryObject->characteristics[charIndex].getDeclHandle() + 1;
rgrover1 391:8cc3528a1233 233 if (sd_ble_gattc_char_value_by_uuid_read(parentDiscoveryObject->connHandle, &uuid, &handleRange) == NRF_SUCCESS) {
rgrover1 391:8cc3528a1233 234 return;
rgrover1 391:8cc3528a1233 235 }
rgrover1 391:8cc3528a1233 236
rgrover1 391:8cc3528a1233 237 /* Skip this service if we fail to launch a read for its service-declaration
rgrover1 391:8cc3528a1233 238 * attribute. Its UUID will remain INVALID, and it may not match any filters. */
rgrover1 391:8cc3528a1233 239 dequeue();
rgrover1 391:8cc3528a1233 240 }
rgrover1 391:8cc3528a1233 241
rgrover1 391:8cc3528a1233 242 /* Switch back to service discovery upon exhausting the service-indices pending UUID discovery. */
rgrover1 391:8cc3528a1233 243 if (parentDiscoveryObject->state == DISCOVER_CHARACTERISTIC_UUIDS) {
rgrover1 391:8cc3528a1233 244 parentDiscoveryObject->state = CHARACTERISTIC_DISCOVERY_ACTIVE;
rgrover1 391:8cc3528a1233 245 }
rgrover1 391:8cc3528a1233 246 }
rgrover1 391:8cc3528a1233 247
rgrover1 391:8cc3528a1233 248 void
rgrover1 391:8cc3528a1233 249 nRF51ServiceDiscovery::processDiscoverUUIDResponse(const ble_gattc_evt_char_val_by_uuid_read_rsp_t *response)
rgrover1 391:8cc3528a1233 250 {
rgrover1 391:8cc3528a1233 251 if (state == DISCOVER_SERVICE_UUIDS) {
rgrover1 391:8cc3528a1233 252 if ((response->count == 1) && (response->value_len == UUID::LENGTH_OF_LONG_UUID)) {
rgrover1 391:8cc3528a1233 253 UUID::LongUUIDBytes_t uuid;
rgrover1 391:8cc3528a1233 254 /* Switch longUUID bytes to MSB */
rgrover1 391:8cc3528a1233 255 for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
rgrover1 391:8cc3528a1233 256 uuid[i] = response->handle_value[0].p_value[UUID::LENGTH_OF_LONG_UUID - 1 - i];
rgrover1 391:8cc3528a1233 257 }
rgrover1 391:8cc3528a1233 258
rgrover1 391:8cc3528a1233 259 unsigned serviceIndex = serviceUUIDDiscoveryQueue.dequeue();
rgrover1 391:8cc3528a1233 260 services[serviceIndex].setupLongUUID(uuid);
rgrover1 391:8cc3528a1233 261
rgrover1 391:8cc3528a1233 262 serviceUUIDDiscoveryQueue.triggerFirst();
rgrover1 391:8cc3528a1233 263 } else {
rgrover1 391:8cc3528a1233 264 serviceUUIDDiscoveryQueue.dequeue();
rgrover1 391:8cc3528a1233 265 }
rgrover1 391:8cc3528a1233 266 } else if (state == DISCOVER_CHARACTERISTIC_UUIDS) {
rgrover1 391:8cc3528a1233 267 if ((response->count == 1) && (response->value_len == UUID::LENGTH_OF_LONG_UUID + 1 /* props */ + 2 /* value handle */)) {
rgrover1 391:8cc3528a1233 268 UUID::LongUUIDBytes_t uuid;
rgrover1 391:8cc3528a1233 269 /* Switch longUUID bytes to MSB */
rgrover1 391:8cc3528a1233 270 for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
rgrover1 391:8cc3528a1233 271 uuid[i] = response->handle_value[0].p_value[3 + UUID::LENGTH_OF_LONG_UUID - 1 - i];
rgrover1 391:8cc3528a1233 272 }
rgrover1 391:8cc3528a1233 273
rgrover1 391:8cc3528a1233 274 unsigned charIndex = charUUIDDiscoveryQueue.dequeue();
rgrover1 391:8cc3528a1233 275 characteristics[charIndex].setupLongUUID(uuid);
rgrover1 391:8cc3528a1233 276
rgrover1 391:8cc3528a1233 277 charUUIDDiscoveryQueue.triggerFirst();
rgrover1 391:8cc3528a1233 278 } else {
rgrover1 391:8cc3528a1233 279 charUUIDDiscoveryQueue.dequeue();
rgrover1 391:8cc3528a1233 280 }
rgrover1 391:8cc3528a1233 281 }
rgrover1 391:8cc3528a1233 282 }