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source/nRF51ServiceDiscovery.cpp@386:52cd618a90b4, 2015-08-13 (annotated)

Committer:
elevatorguy
Date:
Thu Aug 13 02:33:38 2015 +0000
Revision:
386:52cd618a90b4
Parent:
381:c997e9717fb7 
changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 362:6fa0d4d555f6 1 /* mbed Microcontroller Library
rgrover1 362:6fa0d4d555f6 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 362:6fa0d4d555f6 3 *
rgrover1 362:6fa0d4d555f6 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 362:6fa0d4d555f6 5 * you may not use this file except in compliance with the License.
rgrover1 362:6fa0d4d555f6 6 * You may obtain a copy of the License at
rgrover1 362:6fa0d4d555f6 7 *
rgrover1 362:6fa0d4d555f6 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 362:6fa0d4d555f6 9 *
rgrover1 362:6fa0d4d555f6 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 362:6fa0d4d555f6 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 362:6fa0d4d555f6 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 362:6fa0d4d555f6 13 * See the License for the specific language governing permissions and
rgrover1 362:6fa0d4d555f6 14 * limitations under the License.
rgrover1 362:6fa0d4d555f6 15 */
rgrover1 362:6fa0d4d555f6 16
rgrover1 362:6fa0d4d555f6 17 #include "nRF51ServiceDiscovery.h"
rgrover1 362:6fa0d4d555f6 18
rgrover1 362:6fa0d4d555f6 19 ble_error_t
rgrover1 362:6fa0d4d555f6 20 nRF51ServiceDiscovery::launchCharacteristicDiscovery(Gap::Handle_t connectionHandle,
rgrover1 362:6fa0d4d555f6 21 Gap::Handle_t startHandle,
rgrover1 362:6fa0d4d555f6 22 Gap::Handle_t endHandle)
rgrover1 362:6fa0d4d555f6 23 {
rgrover1 362:6fa0d4d555f6 24 characteristicDiscoveryStarted(connectionHandle);
rgrover1 362:6fa0d4d555f6 25
rgrover1 362:6fa0d4d555f6 26 ble_gattc_handle_range_t handleRange = {
rgrover1 362:6fa0d4d555f6 27 .start_handle = startHandle,
rgrover1 362:6fa0d4d555f6 28 .end_handle = endHandle
rgrover1 362:6fa0d4d555f6 29 };
rgrover1 362:6fa0d4d555f6 30 uint32_t rc;
rgrover1 362:6fa0d4d555f6 31 if ((rc = sd_ble_gattc_characteristics_discover(connectionHandle, &handleRange)) != NRF_SUCCESS) {
rgrover1 362:6fa0d4d555f6 32 terminateCharacteristicDiscovery();
rgrover1 362:6fa0d4d555f6 33 switch (rc) {
rgrover1 362:6fa0d4d555f6 34 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 362:6fa0d4d555f6 35 case NRF_ERROR_INVALID_ADDR:
rgrover1 362:6fa0d4d555f6 36 return BLE_ERROR_INVALID_PARAM;
rgrover1 362:6fa0d4d555f6 37 case NRF_ERROR_BUSY:
rgrover1 362:6fa0d4d555f6 38 return BLE_STACK_BUSY;
rgrover1 362:6fa0d4d555f6 39 default:
rgrover1 362:6fa0d4d555f6 40 case NRF_ERROR_INVALID_STATE:
rgrover1 362:6fa0d4d555f6 41 return BLE_ERROR_INVALID_STATE;
rgrover1 362:6fa0d4d555f6 42 }
rgrover1 362:6fa0d4d555f6 43 }
rgrover1 362:6fa0d4d555f6 44
rgrover1 362:6fa0d4d555f6 45 return BLE_ERROR_NONE;
rgrover1 362:6fa0d4d555f6 46 }
rgrover1 362:6fa0d4d555f6 47
rgrover1 362:6fa0d4d555f6 48 void
rgrover1 362:6fa0d4d555f6 49 nRF51ServiceDiscovery::setupDiscoveredServices(const ble_gattc_evt_prim_srvc_disc_rsp_t *response)
rgrover1 362:6fa0d4d555f6 50 {
rgrover1 362:6fa0d4d555f6 51 serviceIndex = 0;
rgrover1 362:6fa0d4d555f6 52 numServices = response->count;
rgrover1 362:6fa0d4d555f6 53
rgrover1 362:6fa0d4d555f6 54 /* Account for the limitation on the number of discovered services we can handle at a time. */
rgrover1 362:6fa0d4d555f6 55 if (numServices > BLE_DB_DISCOVERY_MAX_SRV) {
rgrover1 362:6fa0d4d555f6 56 numServices = BLE_DB_DISCOVERY_MAX_SRV;
rgrover1 362:6fa0d4d555f6 57 }
rgrover1 362:6fa0d4d555f6 58
rgrover1 362:6fa0d4d555f6 59 serviceUUIDDiscoveryQueue.reset();
rgrover1 362:6fa0d4d555f6 60 for (unsigned serviceIndex = 0; serviceIndex < numServices; serviceIndex++) {
rgrover1 362:6fa0d4d555f6 61 if (response->services[serviceIndex].uuid.type == BLE_UUID_TYPE_UNKNOWN) {
rgrover1 362:6fa0d4d555f6 62 serviceUUIDDiscoveryQueue.enqueue(serviceIndex);
rgrover1 362:6fa0d4d555f6 63 services[serviceIndex].setup(response->services[serviceIndex].handle_range.start_handle,
rgrover1 362:6fa0d4d555f6 64 response->services[serviceIndex].handle_range.end_handle);
rgrover1 362:6fa0d4d555f6 65 } else {
rgrover1 362:6fa0d4d555f6 66 services[serviceIndex].setup(response->services[serviceIndex].uuid.uuid,
rgrover1 362:6fa0d4d555f6 67 response->services[serviceIndex].handle_range.start_handle,
rgrover1 362:6fa0d4d555f6 68 response->services[serviceIndex].handle_range.end_handle);
rgrover1 362:6fa0d4d555f6 69 }
rgrover1 362:6fa0d4d555f6 70 }
rgrover1 362:6fa0d4d555f6 71
rgrover1 362:6fa0d4d555f6 72 /* Trigger discovery of service UUID if necessary. */
rgrover1 362:6fa0d4d555f6 73 if (serviceUUIDDiscoveryQueue.getCount()) {
rgrover1 362:6fa0d4d555f6 74 serviceUUIDDiscoveryQueue.triggerFirst();
rgrover1 362:6fa0d4d555f6 75 }
rgrover1 362:6fa0d4d555f6 76 }
rgrover1 362:6fa0d4d555f6 77
rgrover1 362:6fa0d4d555f6 78 void
rgrover1 362:6fa0d4d555f6 79 nRF51ServiceDiscovery::setupDiscoveredCharacteristics(const ble_gattc_evt_char_disc_rsp_t *response)
rgrover1 362:6fa0d4d555f6 80 {
rgrover1 362:6fa0d4d555f6 81 characteristicIndex = 0;
rgrover1 362:6fa0d4d555f6 82 numCharacteristics = response->count;
rgrover1 362:6fa0d4d555f6 83
rgrover1 362:6fa0d4d555f6 84 /* Account for the limitation on the number of discovered characteristics we can handle at a time. */
rgrover1 362:6fa0d4d555f6 85 if (numCharacteristics > BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV) {
rgrover1 362:6fa0d4d555f6 86 numCharacteristics = BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV;
rgrover1 362:6fa0d4d555f6 87 }
rgrover1 362:6fa0d4d555f6 88
rgrover1 362:6fa0d4d555f6 89 charUUIDDiscoveryQueue.reset();
rgrover1 362:6fa0d4d555f6 90 for (unsigned charIndex = 0; charIndex < numCharacteristics; charIndex++) {
rgrover1 362:6fa0d4d555f6 91 if (response->chars[charIndex].uuid.type == BLE_UUID_TYPE_UNKNOWN) {
rgrover1 362:6fa0d4d555f6 92 charUUIDDiscoveryQueue.enqueue(charIndex);
rgrover1 362:6fa0d4d555f6 93 characteristics[charIndex].setup(gattc,
rgrover1 362:6fa0d4d555f6 94 connHandle,
rgrover1 362:6fa0d4d555f6 95 response->chars[charIndex].char_props,
rgrover1 362:6fa0d4d555f6 96 response->chars[charIndex].handle_decl,
rgrover1 362:6fa0d4d555f6 97 response->chars[charIndex].handle_value);
rgrover1 362:6fa0d4d555f6 98 } else {
rgrover1 362:6fa0d4d555f6 99 characteristics[charIndex].setup(gattc,
rgrover1 362:6fa0d4d555f6 100 connHandle,
rgrover1 362:6fa0d4d555f6 101 response->chars[charIndex].uuid.uuid,
rgrover1 362:6fa0d4d555f6 102 response->chars[charIndex].char_props,
rgrover1 362:6fa0d4d555f6 103 response->chars[charIndex].handle_decl,
rgrover1 362:6fa0d4d555f6 104 response->chars[charIndex].handle_value);
rgrover1 362:6fa0d4d555f6 105 }
rgrover1 362:6fa0d4d555f6 106 }
rgrover1 362:6fa0d4d555f6 107
rgrover1 362:6fa0d4d555f6 108 /* Trigger discovery of char UUID if necessary. */
rgrover1 362:6fa0d4d555f6 109 if (charUUIDDiscoveryQueue.getCount()) {
rgrover1 362:6fa0d4d555f6 110 charUUIDDiscoveryQueue.triggerFirst();
rgrover1 362:6fa0d4d555f6 111 }
rgrover1 362:6fa0d4d555f6 112 }
rgrover1 362:6fa0d4d555f6 113
rgrover1 362:6fa0d4d555f6 114 void
rgrover1 362:6fa0d4d555f6 115 nRF51ServiceDiscovery::progressCharacteristicDiscovery(void)
rgrover1 362:6fa0d4d555f6 116 {
rgrover1 362:6fa0d4d555f6 117 /* Iterate through the previously discovered characteristics cached in characteristics[]. */
rgrover1 362:6fa0d4d555f6 118 while ((state == CHARACTERISTIC_DISCOVERY_ACTIVE) && (characteristicIndex < numCharacteristics)) {
rgrover1 362:6fa0d4d555f6 119 if ((matchingCharacteristicUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) ||
rgrover1 362:6fa0d4d555f6 120 ((matchingCharacteristicUUID == characteristics[characteristicIndex].getShortUUID()) &&
rgrover1 362:6fa0d4d555f6 121 (matchingServiceUUID != UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)))) {
rgrover1 362:6fa0d4d555f6 122 if (characteristicCallback) {
rgrover1 362:6fa0d4d555f6 123 characteristicCallback(&characteristics[characteristicIndex]);
rgrover1 362:6fa0d4d555f6 124 }
rgrover1 362:6fa0d4d555f6 125 }
rgrover1 362:6fa0d4d555f6 126
rgrover1 362:6fa0d4d555f6 127 characteristicIndex++;
rgrover1 362:6fa0d4d555f6 128 }
rgrover1 362:6fa0d4d555f6 129
rgrover1 362:6fa0d4d555f6 130 /* Relaunch discovery of new characteristics beyond the last entry cached in characteristics[]. */
rgrover1 362:6fa0d4d555f6 131 if (state == CHARACTERISTIC_DISCOVERY_ACTIVE) {
rgrover1 362:6fa0d4d555f6 132 /* Determine the ending handle of the last cached characteristic. */
rgrover1 362:6fa0d4d555f6 133 Gap::Handle_t startHandle = characteristics[characteristicIndex - 1].getValueHandle() + 1;
rgrover1 362:6fa0d4d555f6 134 Gap::Handle_t endHandle = services[serviceIndex].getEndHandle();
rgrover1 362:6fa0d4d555f6 135 resetDiscoveredCharacteristics(); /* Note: resetDiscoveredCharacteristics() must come after fetching start and end Handles. */
rgrover1 362:6fa0d4d555f6 136
rgrover1 362:6fa0d4d555f6 137 if (startHandle < endHandle) {
rgrover1 362:6fa0d4d555f6 138 ble_gattc_handle_range_t handleRange = {
rgrover1 362:6fa0d4d555f6 139 .start_handle = startHandle,
rgrover1 362:6fa0d4d555f6 140 .end_handle = endHandle
rgrover1 362:6fa0d4d555f6 141 };
rgrover1 362:6fa0d4d555f6 142 if (sd_ble_gattc_characteristics_discover(connHandle, &handleRange) != NRF_SUCCESS) {
rgrover1 362:6fa0d4d555f6 143 terminateCharacteristicDiscovery();
rgrover1 362:6fa0d4d555f6 144 }
rgrover1 362:6fa0d4d555f6 145 } else {
rgrover1 362:6fa0d4d555f6 146 terminateCharacteristicDiscovery();
rgrover1 362:6fa0d4d555f6 147 }
rgrover1 362:6fa0d4d555f6 148 }
rgrover1 362:6fa0d4d555f6 149 }
rgrover1 362:6fa0d4d555f6 150
rgrover1 362:6fa0d4d555f6 151 void
rgrover1 362:6fa0d4d555f6 152 nRF51ServiceDiscovery::progressServiceDiscovery(void)
rgrover1 362:6fa0d4d555f6 153 {
rgrover1 362:6fa0d4d555f6 154 /* Iterate through the previously discovered services cached in services[]. */
rgrover1 362:6fa0d4d555f6 155 while ((state == SERVICE_DISCOVERY_ACTIVE) && (serviceIndex < numServices)) {
rgrover1 362:6fa0d4d555f6 156 if ((matchingServiceUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) ||
rgrover1 362:6fa0d4d555f6 157 (matchingServiceUUID == services[serviceIndex].getUUID().getShortUUID())) {
rgrover1 362:6fa0d4d555f6 158
rgrover1 362:6fa0d4d555f6 159 if (serviceCallback && (matchingCharacteristicUUID == UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN))) {
rgrover1 362:6fa0d4d555f6 160 serviceCallback(&services[serviceIndex]);
rgrover1 362:6fa0d4d555f6 161 }
rgrover1 362:6fa0d4d555f6 162
rgrover1 362:6fa0d4d555f6 163 if ((state == SERVICE_DISCOVERY_ACTIVE) && characteristicCallback) {
rgrover1 362:6fa0d4d555f6 164 launchCharacteristicDiscovery(connHandle, services[serviceIndex].getStartHandle(), services[serviceIndex].getEndHandle());
rgrover1 362:6fa0d4d555f6 165 } else {
rgrover1 362:6fa0d4d555f6 166 serviceIndex++;
rgrover1 362:6fa0d4d555f6 167 }
rgrover1 362:6fa0d4d555f6 168 } else {
rgrover1 362:6fa0d4d555f6 169 serviceIndex++;
rgrover1 362:6fa0d4d555f6 170 }
rgrover1 362:6fa0d4d555f6 171 }
rgrover1 362:6fa0d4d555f6 172
rgrover1 362:6fa0d4d555f6 173 /* Relaunch discovery of new services beyond the last entry cached in services[]. */
rgrover1 362:6fa0d4d555f6 174 if ((state == SERVICE_DISCOVERY_ACTIVE) && (numServices > 0) && (serviceIndex > 0)) {
rgrover1 362:6fa0d4d555f6 175 /* Determine the ending handle of the last cached service. */
rgrover1 362:6fa0d4d555f6 176 Gap::Handle_t endHandle = services[serviceIndex - 1].getEndHandle();
rgrover1 362:6fa0d4d555f6 177 resetDiscoveredServices(); /* Note: resetDiscoveredServices() must come after fetching endHandle. */
rgrover1 362:6fa0d4d555f6 178
rgrover1 362:6fa0d4d555f6 179 if (endHandle == SRV_DISC_END_HANDLE) {
rgrover1 362:6fa0d4d555f6 180 terminateServiceDiscovery();
rgrover1 362:6fa0d4d555f6 181 } else {
rgrover1 362:6fa0d4d555f6 182 if (sd_ble_gattc_primary_services_discover(connHandle, endHandle, NULL) != NRF_SUCCESS) {
rgrover1 362:6fa0d4d555f6 183 terminateServiceDiscovery();
rgrover1 362:6fa0d4d555f6 184 }
rgrover1 362:6fa0d4d555f6 185 }
rgrover1 362:6fa0d4d555f6 186 }
rgrover1 362:6fa0d4d555f6 187 }
rgrover1 362:6fa0d4d555f6 188
rgrover1 362:6fa0d4d555f6 189 void
rgrover1 362:6fa0d4d555f6 190 nRF51ServiceDiscovery::ServiceUUIDDiscoveryQueue::triggerFirst(void)
rgrover1 362:6fa0d4d555f6 191 {
rgrover1 362:6fa0d4d555f6 192 while (numIndices) { /* loop until a call to char_value_by_uuid_read() succeeds or we run out of pending indices. */
rgrover1 362:6fa0d4d555f6 193 parentDiscoveryObject->state = DISCOVER_SERVICE_UUIDS;
rgrover1 362:6fa0d4d555f6 194
rgrover1 362:6fa0d4d555f6 195 unsigned serviceIndex = getFirst();
rgrover1 362:6fa0d4d555f6 196 ble_uuid_t uuid = {
rgrover1 362:6fa0d4d555f6 197 .uuid = BLE_UUID_SERVICE_PRIMARY,
rgrover1 362:6fa0d4d555f6 198 .type = BLE_UUID_TYPE_BLE,
rgrover1 362:6fa0d4d555f6 199 };
rgrover1 362:6fa0d4d555f6 200 ble_gattc_handle_range_t handleRange = {
rgrover1 362:6fa0d4d555f6 201 .start_handle = parentDiscoveryObject->services[serviceIndex].getStartHandle(),
rgrover1 362:6fa0d4d555f6 202 .end_handle = parentDiscoveryObject->services[serviceIndex].getEndHandle(),
rgrover1 362:6fa0d4d555f6 203 };
rgrover1 362:6fa0d4d555f6 204 if (sd_ble_gattc_char_value_by_uuid_read(parentDiscoveryObject->connHandle, &uuid, &handleRange) == NRF_SUCCESS) {
rgrover1 362:6fa0d4d555f6 205 return;
rgrover1 362:6fa0d4d555f6 206 }
rgrover1 362:6fa0d4d555f6 207
rgrover1 362:6fa0d4d555f6 208 /* Skip this service if we fail to launch a read for its service-declaration
rgrover1 362:6fa0d4d555f6 209 * attribute. Its UUID will remain INVALID, and it may not match any filters. */
rgrover1 362:6fa0d4d555f6 210 dequeue();
rgrover1 362:6fa0d4d555f6 211 }
rgrover1 362:6fa0d4d555f6 212
rgrover1 362:6fa0d4d555f6 213 /* Switch back to service discovery upon exhausting the service-indices pending UUID discovery. */
rgrover1 362:6fa0d4d555f6 214 if (parentDiscoveryObject->state == DISCOVER_SERVICE_UUIDS) {
rgrover1 362:6fa0d4d555f6 215 parentDiscoveryObject->state = SERVICE_DISCOVERY_ACTIVE;
rgrover1 362:6fa0d4d555f6 216 }
rgrover1 362:6fa0d4d555f6 217 }
rgrover1 362:6fa0d4d555f6 218
rgrover1 362:6fa0d4d555f6 219 void
rgrover1 362:6fa0d4d555f6 220 nRF51ServiceDiscovery::CharUUIDDiscoveryQueue::triggerFirst(void)
rgrover1 362:6fa0d4d555f6 221 {
rgrover1 362:6fa0d4d555f6 222 while (numIndices) { /* loop until a call to char_value_by_uuid_read() succeeds or we run out of pending indices. */
rgrover1 362:6fa0d4d555f6 223 parentDiscoveryObject->state = DISCOVER_CHARACTERISTIC_UUIDS;
rgrover1 362:6fa0d4d555f6 224
rgrover1 362:6fa0d4d555f6 225 unsigned charIndex = getFirst();
rgrover1 362:6fa0d4d555f6 226 ble_uuid_t uuid = {
rgrover1 362:6fa0d4d555f6 227 .uuid = BLE_UUID_CHARACTERISTIC,
rgrover1 362:6fa0d4d555f6 228 .type = BLE_UUID_TYPE_BLE,
rgrover1 362:6fa0d4d555f6 229 };
rgrover1 362:6fa0d4d555f6 230 ble_gattc_handle_range_t handleRange = { };
rgrover1 362:6fa0d4d555f6 231 handleRange.start_handle = parentDiscoveryObject->characteristics[charIndex].getDeclHandle();
rgrover1 362:6fa0d4d555f6 232 handleRange.end_handle = parentDiscoveryObject->characteristics[charIndex].getDeclHandle() + 1;
rgrover1 362:6fa0d4d555f6 233 if (sd_ble_gattc_char_value_by_uuid_read(parentDiscoveryObject->connHandle, &uuid, &handleRange) == NRF_SUCCESS) {
rgrover1 362:6fa0d4d555f6 234 return;
rgrover1 362:6fa0d4d555f6 235 }
rgrover1 362:6fa0d4d555f6 236
rgrover1 362:6fa0d4d555f6 237 /* Skip this service if we fail to launch a read for its service-declaration
rgrover1 362:6fa0d4d555f6 238 * attribute. Its UUID will remain INVALID, and it may not match any filters. */
rgrover1 362:6fa0d4d555f6 239 dequeue();
rgrover1 362:6fa0d4d555f6 240 }
rgrover1 362:6fa0d4d555f6 241
rgrover1 362:6fa0d4d555f6 242 /* Switch back to service discovery upon exhausting the service-indices pending UUID discovery. */
rgrover1 362:6fa0d4d555f6 243 if (parentDiscoveryObject->state == DISCOVER_CHARACTERISTIC_UUIDS) {
rgrover1 362:6fa0d4d555f6 244 parentDiscoveryObject->state = CHARACTERISTIC_DISCOVERY_ACTIVE;
rgrover1 362:6fa0d4d555f6 245 }
rgrover1 362:6fa0d4d555f6 246 }
rgrover1 362:6fa0d4d555f6 247
rgrover1 362:6fa0d4d555f6 248 void
rgrover1 362:6fa0d4d555f6 249 nRF51ServiceDiscovery::processDiscoverUUIDResponse(const ble_gattc_evt_char_val_by_uuid_read_rsp_t *response)
rgrover1 362:6fa0d4d555f6 250 {
rgrover1 362:6fa0d4d555f6 251 if (state == DISCOVER_SERVICE_UUIDS) {
rgrover1 362:6fa0d4d555f6 252 if ((response->count == 1) && (response->value_len == UUID::LENGTH_OF_LONG_UUID)) {
rgrover1 362:6fa0d4d555f6 253 UUID::LongUUIDBytes_t uuid;
rgrover1 362:6fa0d4d555f6 254 /* Switch longUUID bytes to MSB */
rgrover1 362:6fa0d4d555f6 255 for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
rgrover1 362:6fa0d4d555f6 256 uuid[i] = response->handle_value[0].p_value[UUID::LENGTH_OF_LONG_UUID - 1 - i];
rgrover1 362:6fa0d4d555f6 257 }
rgrover1 362:6fa0d4d555f6 258
rgrover1 362:6fa0d4d555f6 259 unsigned serviceIndex = serviceUUIDDiscoveryQueue.dequeue();
rgrover1 362:6fa0d4d555f6 260 services[serviceIndex].setupLongUUID(uuid);
rgrover1 362:6fa0d4d555f6 261
rgrover1 362:6fa0d4d555f6 262 serviceUUIDDiscoveryQueue.triggerFirst();
rgrover1 362:6fa0d4d555f6 263 } else {
rgrover1 362:6fa0d4d555f6 264 serviceUUIDDiscoveryQueue.dequeue();
rgrover1 362:6fa0d4d555f6 265 }
rgrover1 362:6fa0d4d555f6 266 } else if (state == DISCOVER_CHARACTERISTIC_UUIDS) {
rgrover1 362:6fa0d4d555f6 267 if ((response->count == 1) && (response->value_len == UUID::LENGTH_OF_LONG_UUID + 1 /* props */ + 2 /* value handle */)) {
rgrover1 362:6fa0d4d555f6 268 UUID::LongUUIDBytes_t uuid;
rgrover1 362:6fa0d4d555f6 269 /* Switch longUUID bytes to MSB */
rgrover1 362:6fa0d4d555f6 270 for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
rgrover1 362:6fa0d4d555f6 271 uuid[i] = response->handle_value[0].p_value[3 + UUID::LENGTH_OF_LONG_UUID - 1 - i];
rgrover1 362:6fa0d4d555f6 272 }
rgrover1 362:6fa0d4d555f6 273
rgrover1 362:6fa0d4d555f6 274 unsigned charIndex = charUUIDDiscoveryQueue.dequeue();
rgrover1 362:6fa0d4d555f6 275 characteristics[charIndex].setupLongUUID(uuid);
rgrover1 362:6fa0d4d555f6 276
rgrover1 362:6fa0d4d555f6 277 charUUIDDiscoveryQueue.triggerFirst();
rgrover1 362:6fa0d4d555f6 278 } else {
rgrover1 362:6fa0d4d555f6 279 charUUIDDiscoveryQueue.dequeue();
rgrover1 362:6fa0d4d555f6 280 }
rgrover1 362:6fa0d4d555f6 281 }
rgrover1 362:6fa0d4d555f6 282 }