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Dependencies:   mbed

Puck/nRF51822/nRF51GattServer.cpp@0:b8221deeaa87, 2015-04-30 (annotated)

Committer:
Grimmkey
Date:
Thu Apr 30 20:46:27 2015 +0000
Revision:
0:b8221deeaa87
Georgia Institute of Technology ECE 4180 Spring 2015 Jazz Hands project, Nordic nRF51822 half

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Grimmkey 0:b8221deeaa87 1 /* mbed Microcontroller Library
Grimmkey 0:b8221deeaa87 2 * Copyright (c) 2006-2013 ARM Limited
Grimmkey 0:b8221deeaa87 3 *
Grimmkey 0:b8221deeaa87 4 * Licensed under the Apache License, Version 2.0 (the "License");
Grimmkey 0:b8221deeaa87 5 * you may not use this file except in compliance with the License.
Grimmkey 0:b8221deeaa87 6 * You may obtain a copy of the License at
Grimmkey 0:b8221deeaa87 7 *
Grimmkey 0:b8221deeaa87 8 * http://www.apache.org/licenses/LICENSE-2.0
Grimmkey 0:b8221deeaa87 9 *
Grimmkey 0:b8221deeaa87 10 * Unless required by applicable law or agreed to in writing, software
Grimmkey 0:b8221deeaa87 11 * distributed under the License is distributed on an "AS IS" BASIS,
Grimmkey 0:b8221deeaa87 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Grimmkey 0:b8221deeaa87 13 * See the License for the specific language governing permissions and
Grimmkey 0:b8221deeaa87 14 * limitations under the License.
Grimmkey 0:b8221deeaa87 15 */
Grimmkey 0:b8221deeaa87 16
Grimmkey 0:b8221deeaa87 17 #include "nRF51GattServer.h"
Grimmkey 0:b8221deeaa87 18 #include "mbed.h"
Grimmkey 0:b8221deeaa87 19
Grimmkey 0:b8221deeaa87 20 #include "common/common.h"
Grimmkey 0:b8221deeaa87 21 #include "btle/custom/custom_helper.h"
Grimmkey 0:b8221deeaa87 22
Grimmkey 0:b8221deeaa87 23 #include "nRF51Gap.h"
Grimmkey 0:b8221deeaa87 24
Grimmkey 0:b8221deeaa87 25 /**************************************************************************/
Grimmkey 0:b8221deeaa87 26 /*!
Grimmkey 0:b8221deeaa87 27 @brief Adds a new service to the GATT table on the peripheral
Grimmkey 0:b8221deeaa87 28
Grimmkey 0:b8221deeaa87 29 @returns ble_error_t
Grimmkey 0:b8221deeaa87 30
Grimmkey 0:b8221deeaa87 31 @retval BLE_ERROR_NONE
Grimmkey 0:b8221deeaa87 32 Everything executed properly
Grimmkey 0:b8221deeaa87 33
Grimmkey 0:b8221deeaa87 34 @section EXAMPLE
Grimmkey 0:b8221deeaa87 35
Grimmkey 0:b8221deeaa87 36 @code
Grimmkey 0:b8221deeaa87 37
Grimmkey 0:b8221deeaa87 38 @endcode
Grimmkey 0:b8221deeaa87 39 */
Grimmkey 0:b8221deeaa87 40 /**************************************************************************/
Grimmkey 0:b8221deeaa87 41 ble_error_t nRF51GattServer::addService(GattService &service)
Grimmkey 0:b8221deeaa87 42 {
Grimmkey 0:b8221deeaa87 43 /* ToDo: Make sure we don't overflow the array, etc. */
Grimmkey 0:b8221deeaa87 44 /* ToDo: Make sure this service UUID doesn't already exist (?) */
Grimmkey 0:b8221deeaa87 45 /* ToDo: Basic validation */
Grimmkey 0:b8221deeaa87 46
Grimmkey 0:b8221deeaa87 47 /* Add the service to the nRF51 */
Grimmkey 0:b8221deeaa87 48 ble_uuid_t nordicUUID;
Grimmkey 0:b8221deeaa87 49 nordicUUID = custom_convert_to_nordic_uuid(service.getUUID());
Grimmkey 0:b8221deeaa87 50
Grimmkey 0:b8221deeaa87 51 uint16_t serviceHandle;
Grimmkey 0:b8221deeaa87 52 ASSERT( ERROR_NONE ==
Grimmkey 0:b8221deeaa87 53 sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
Grimmkey 0:b8221deeaa87 54 &nordicUUID,
Grimmkey 0:b8221deeaa87 55 &serviceHandle),
Grimmkey 0:b8221deeaa87 56 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 57 service.setHandle(serviceHandle);
Grimmkey 0:b8221deeaa87 58
Grimmkey 0:b8221deeaa87 59 /* Add characteristics to the service */
Grimmkey 0:b8221deeaa87 60 for (uint8_t i = 0; i < service.getCharacteristicCount(); i++) {
Grimmkey 0:b8221deeaa87 61 GattCharacteristic *p_char = service.getCharacteristic(i);
Grimmkey 0:b8221deeaa87 62
Grimmkey 0:b8221deeaa87 63 /* Skip any incompletely defined, read-only characteristics. */
Grimmkey 0:b8221deeaa87 64 if ((p_char->getValueAttribute().getValuePtr() == NULL) &&
Grimmkey 0:b8221deeaa87 65 (p_char->getValueAttribute().getInitialLength() == 0) &&
Grimmkey 0:b8221deeaa87 66 (p_char->getProperties() == GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)) {
Grimmkey 0:b8221deeaa87 67 continue;
Grimmkey 0:b8221deeaa87 68 }
Grimmkey 0:b8221deeaa87 69
Grimmkey 0:b8221deeaa87 70 nordicUUID = custom_convert_to_nordic_uuid(p_char->getValueAttribute().getUUID());
Grimmkey 0:b8221deeaa87 71
Grimmkey 0:b8221deeaa87 72 ASSERT ( ERROR_NONE ==
Grimmkey 0:b8221deeaa87 73 custom_add_in_characteristic(BLE_GATT_HANDLE_INVALID,
Grimmkey 0:b8221deeaa87 74 &nordicUUID,
Grimmkey 0:b8221deeaa87 75 p_char->getProperties(),
Grimmkey 0:b8221deeaa87 76 p_char->getValueAttribute().getValuePtr(),
Grimmkey 0:b8221deeaa87 77 p_char->getValueAttribute().getInitialLength(),
Grimmkey 0:b8221deeaa87 78 p_char->getValueAttribute().getMaxLength(),
Grimmkey 0:b8221deeaa87 79 p_char->isReadAuthorizationEnabled(),
Grimmkey 0:b8221deeaa87 80 p_char->isWriteAuthorizationEnabled(),
Grimmkey 0:b8221deeaa87 81 &nrfCharacteristicHandles[characteristicCount]),
Grimmkey 0:b8221deeaa87 82 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 83
Grimmkey 0:b8221deeaa87 84 /* Update the characteristic handle */
Grimmkey 0:b8221deeaa87 85 uint16_t charHandle = characteristicCount;
Grimmkey 0:b8221deeaa87 86 p_characteristics[characteristicCount++] = p_char;
Grimmkey 0:b8221deeaa87 87
Grimmkey 0:b8221deeaa87 88 p_char->getValueAttribute().setHandle(charHandle);
Grimmkey 0:b8221deeaa87 89
Grimmkey 0:b8221deeaa87 90 /* Add optional descriptors if any */
Grimmkey 0:b8221deeaa87 91 /* ToDo: Make sure we don't overflow the array */
Grimmkey 0:b8221deeaa87 92 for (uint8_t j = 0; j < p_char->getDescriptorCount(); j++) {
Grimmkey 0:b8221deeaa87 93 GattAttribute *p_desc = p_char->getDescriptor(j);
Grimmkey 0:b8221deeaa87 94
Grimmkey 0:b8221deeaa87 95 nordicUUID = custom_convert_to_nordic_uuid(p_desc->getUUID());
Grimmkey 0:b8221deeaa87 96
Grimmkey 0:b8221deeaa87 97 ASSERT ( ERROR_NONE ==
Grimmkey 0:b8221deeaa87 98 custom_add_in_descriptor(BLE_GATT_HANDLE_INVALID,
Grimmkey 0:b8221deeaa87 99 &nordicUUID,
Grimmkey 0:b8221deeaa87 100 p_desc->getValuePtr(),
Grimmkey 0:b8221deeaa87 101 p_desc->getInitialLength(),
Grimmkey 0:b8221deeaa87 102 p_desc->getMaxLength(),
Grimmkey 0:b8221deeaa87 103 &nrfDescriptorHandles[descriptorCount]),
Grimmkey 0:b8221deeaa87 104 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 105
Grimmkey 0:b8221deeaa87 106 uint16_t descHandle = descriptorCount;
Grimmkey 0:b8221deeaa87 107 p_descriptors[descriptorCount++] = p_desc;
Grimmkey 0:b8221deeaa87 108 p_desc->setHandle(descHandle);
Grimmkey 0:b8221deeaa87 109 }
Grimmkey 0:b8221deeaa87 110 }
Grimmkey 0:b8221deeaa87 111
Grimmkey 0:b8221deeaa87 112 serviceCount++;
Grimmkey 0:b8221deeaa87 113
Grimmkey 0:b8221deeaa87 114 return BLE_ERROR_NONE;
Grimmkey 0:b8221deeaa87 115 }
Grimmkey 0:b8221deeaa87 116
Grimmkey 0:b8221deeaa87 117 /**************************************************************************/
Grimmkey 0:b8221deeaa87 118 /*!
Grimmkey 0:b8221deeaa87 119 @brief Reads the value of a characteristic, based on the service
Grimmkey 0:b8221deeaa87 120 and characteristic index fields
Grimmkey 0:b8221deeaa87 121
Grimmkey 0:b8221deeaa87 122 @param[in] charHandle
Grimmkey 0:b8221deeaa87 123 The handle of the GattCharacteristic to read from
Grimmkey 0:b8221deeaa87 124 @param[in] buffer
Grimmkey 0:b8221deeaa87 125 Buffer to hold the the characteristic's value
Grimmkey 0:b8221deeaa87 126 (raw byte array in LSB format)
Grimmkey 0:b8221deeaa87 127 @param[in] len
Grimmkey 0:b8221deeaa87 128 The number of bytes read into the buffer
Grimmkey 0:b8221deeaa87 129
Grimmkey 0:b8221deeaa87 130 @returns ble_error_t
Grimmkey 0:b8221deeaa87 131
Grimmkey 0:b8221deeaa87 132 @retval BLE_ERROR_NONE
Grimmkey 0:b8221deeaa87 133 Everything executed properly
Grimmkey 0:b8221deeaa87 134
Grimmkey 0:b8221deeaa87 135 @section EXAMPLE
Grimmkey 0:b8221deeaa87 136
Grimmkey 0:b8221deeaa87 137 @code
Grimmkey 0:b8221deeaa87 138
Grimmkey 0:b8221deeaa87 139 @endcode
Grimmkey 0:b8221deeaa87 140 */
Grimmkey 0:b8221deeaa87 141 /**************************************************************************/
Grimmkey 0:b8221deeaa87 142 ble_error_t nRF51GattServer::readValue(GattAttribute::Handle_t charHandle, uint8_t buffer[], uint16_t *const lengthP)
Grimmkey 0:b8221deeaa87 143 {
Grimmkey 0:b8221deeaa87 144 ASSERT( ERROR_NONE ==
Grimmkey 0:b8221deeaa87 145 sd_ble_gatts_value_get(nrfCharacteristicHandles[charHandle].value_handle, 0, lengthP, buffer),
Grimmkey 0:b8221deeaa87 146 BLE_ERROR_PARAM_OUT_OF_RANGE);
Grimmkey 0:b8221deeaa87 147
Grimmkey 0:b8221deeaa87 148 return BLE_ERROR_NONE;
Grimmkey 0:b8221deeaa87 149 }
Grimmkey 0:b8221deeaa87 150
Grimmkey 0:b8221deeaa87 151 /**************************************************************************/
Grimmkey 0:b8221deeaa87 152 /*!
Grimmkey 0:b8221deeaa87 153 @brief Updates the value of a characteristic, based on the service
Grimmkey 0:b8221deeaa87 154 and characteristic index fields
Grimmkey 0:b8221deeaa87 155
Grimmkey 0:b8221deeaa87 156 @param[in] charHandle
Grimmkey 0:b8221deeaa87 157 The handle of the GattCharacteristic to write to
Grimmkey 0:b8221deeaa87 158 @param[in] buffer
Grimmkey 0:b8221deeaa87 159 Data to use when updating the characteristic's value
Grimmkey 0:b8221deeaa87 160 (raw byte array in LSB format)
Grimmkey 0:b8221deeaa87 161 @param[in] len
Grimmkey 0:b8221deeaa87 162 The number of bytes in buffer
Grimmkey 0:b8221deeaa87 163
Grimmkey 0:b8221deeaa87 164 @returns ble_error_t
Grimmkey 0:b8221deeaa87 165
Grimmkey 0:b8221deeaa87 166 @retval BLE_ERROR_NONE
Grimmkey 0:b8221deeaa87 167 Everything executed properly
Grimmkey 0:b8221deeaa87 168
Grimmkey 0:b8221deeaa87 169 @section EXAMPLE
Grimmkey 0:b8221deeaa87 170
Grimmkey 0:b8221deeaa87 171 @code
Grimmkey 0:b8221deeaa87 172
Grimmkey 0:b8221deeaa87 173 @endcode
Grimmkey 0:b8221deeaa87 174 */
Grimmkey 0:b8221deeaa87 175 /**************************************************************************/
Grimmkey 0:b8221deeaa87 176 ble_error_t nRF51GattServer::updateValue(GattAttribute::Handle_t charHandle, const uint8_t buffer[], uint16_t len, bool localOnly)
Grimmkey 0:b8221deeaa87 177 {
Grimmkey 0:b8221deeaa87 178 uint16_t gapConnectionHandle = nRF51Gap::getInstance().getConnectionHandle();
Grimmkey 0:b8221deeaa87 179 ble_error_t returnValue = BLE_ERROR_NONE;
Grimmkey 0:b8221deeaa87 180
Grimmkey 0:b8221deeaa87 181 if (localOnly) {
Grimmkey 0:b8221deeaa87 182 /* Only update locally regardless of notify/indicate */
Grimmkey 0:b8221deeaa87 183 ASSERT_INT( ERROR_NONE,
Grimmkey 0:b8221deeaa87 184 sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
Grimmkey 0:b8221deeaa87 185 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 186 return BLE_ERROR_NONE;
Grimmkey 0:b8221deeaa87 187 }
Grimmkey 0:b8221deeaa87 188
Grimmkey 0:b8221deeaa87 189 if ((p_characteristics[charHandle]->getProperties() &
Grimmkey 0:b8221deeaa87 190 (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE |
Grimmkey 0:b8221deeaa87 191 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)) &&
Grimmkey 0:b8221deeaa87 192 (gapConnectionHandle != BLE_CONN_HANDLE_INVALID)) {
Grimmkey 0:b8221deeaa87 193 /* HVX update for the characteristic value */
Grimmkey 0:b8221deeaa87 194 ble_gatts_hvx_params_t hvx_params;
Grimmkey 0:b8221deeaa87 195
Grimmkey 0:b8221deeaa87 196 hvx_params.handle = nrfCharacteristicHandles[charHandle].value_handle;
Grimmkey 0:b8221deeaa87 197 hvx_params.type =
Grimmkey 0:b8221deeaa87 198 (p_characteristics[charHandle]->getProperties() &
Grimmkey 0:b8221deeaa87 199 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) ?
Grimmkey 0:b8221deeaa87 200 BLE_GATT_HVX_NOTIFICATION : BLE_GATT_HVX_INDICATION;
Grimmkey 0:b8221deeaa87 201 hvx_params.offset = 0;
Grimmkey 0:b8221deeaa87 202 hvx_params.p_data = const_cast<uint8_t *>(buffer);
Grimmkey 0:b8221deeaa87 203 hvx_params.p_len = &len;
Grimmkey 0:b8221deeaa87 204
Grimmkey 0:b8221deeaa87 205 error_t error = (error_t) sd_ble_gatts_hvx(gapConnectionHandle, &hvx_params);
Grimmkey 0:b8221deeaa87 206
Grimmkey 0:b8221deeaa87 207 /* ERROR_INVALID_STATE, ERROR_BUSY, ERROR_GATTS_SYS_ATTR_MISSING and
Grimmkey 0:b8221deeaa87 208 *ERROR_NO_TX_BUFFERS the ATT table has been updated. */
Grimmkey 0:b8221deeaa87 209 if ((error != ERROR_NONE) && (error != ERROR_INVALID_STATE) &&
Grimmkey 0:b8221deeaa87 210 (error != ERROR_BLE_NO_TX_BUFFERS) && (error != ERROR_BUSY) &&
Grimmkey 0:b8221deeaa87 211 (error != ERROR_BLEGATTS_SYS_ATTR_MISSING)) {
Grimmkey 0:b8221deeaa87 212 ASSERT_INT( ERROR_NONE,
Grimmkey 0:b8221deeaa87 213 sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
Grimmkey 0:b8221deeaa87 214 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 215 }
Grimmkey 0:b8221deeaa87 216
Grimmkey 0:b8221deeaa87 217 /* Notifications consume application buffers. The return value can
Grimmkey 0:b8221deeaa87 218 be used for resending notifications.
Grimmkey 0:b8221deeaa87 219 */
Grimmkey 0:b8221deeaa87 220 if (error != ERROR_NONE) {
Grimmkey 0:b8221deeaa87 221 returnValue = BLE_STACK_BUSY;
Grimmkey 0:b8221deeaa87 222 }
Grimmkey 0:b8221deeaa87 223 } else {
Grimmkey 0:b8221deeaa87 224 ASSERT_INT( ERROR_NONE,
Grimmkey 0:b8221deeaa87 225 sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
Grimmkey 0:b8221deeaa87 226 BLE_ERROR_PARAM_OUT_OF_RANGE );
Grimmkey 0:b8221deeaa87 227 }
Grimmkey 0:b8221deeaa87 228
Grimmkey 0:b8221deeaa87 229 return returnValue;
Grimmkey 0:b8221deeaa87 230 }
Grimmkey 0:b8221deeaa87 231
Grimmkey 0:b8221deeaa87 232 /**************************************************************************/
Grimmkey 0:b8221deeaa87 233 /*!
Grimmkey 0:b8221deeaa87 234 @brief Callback handler for events getting pushed up from the SD
Grimmkey 0:b8221deeaa87 235 */
Grimmkey 0:b8221deeaa87 236 /**************************************************************************/
Grimmkey 0:b8221deeaa87 237 void nRF51GattServer::hwCallback(ble_evt_t *p_ble_evt)
Grimmkey 0:b8221deeaa87 238 {
Grimmkey 0:b8221deeaa87 239 uint16_t handle_value;
Grimmkey 0:b8221deeaa87 240 GattServerEvents::gattEvent_t eventType;
Grimmkey 0:b8221deeaa87 241 const ble_gatts_evt_t *gattsEventP = &p_ble_evt->evt.gatts_evt;
Grimmkey 0:b8221deeaa87 242
Grimmkey 0:b8221deeaa87 243 switch (p_ble_evt->header.evt_id) {
Grimmkey 0:b8221deeaa87 244 case BLE_GATTS_EVT_WRITE:
Grimmkey 0:b8221deeaa87 245 /* There are 2 use case here: Values being updated & CCCD (indicate/notify) enabled */
Grimmkey 0:b8221deeaa87 246
Grimmkey 0:b8221deeaa87 247 /* 1.) Handle CCCD changes */
Grimmkey 0:b8221deeaa87 248 handle_value = gattsEventP->params.write.handle;
Grimmkey 0:b8221deeaa87 249 for (uint8_t i = 0; i<characteristicCount; i++) {
Grimmkey 0:b8221deeaa87 250 if ((p_characteristics[i]->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)) &&
Grimmkey 0:b8221deeaa87 251 (nrfCharacteristicHandles[i].cccd_handle == handle_value)) {
Grimmkey 0:b8221deeaa87 252 uint16_t cccd_value =
Grimmkey 0:b8221deeaa87 253 (gattsEventP->params.write.data[1] << 8) |
Grimmkey 0:b8221deeaa87 254 gattsEventP->params.write.data[0]; /* Little Endian but M0 may be mis-aligned */
Grimmkey 0:b8221deeaa87 255
Grimmkey 0:b8221deeaa87 256 if (((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE) && (cccd_value & BLE_GATT_HVX_INDICATION)) ||
Grimmkey 0:b8221deeaa87 257 ((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) && (cccd_value & BLE_GATT_HVX_NOTIFICATION))) {
Grimmkey 0:b8221deeaa87 258 eventType = GattServerEvents::GATT_EVENT_UPDATES_ENABLED;
Grimmkey 0:b8221deeaa87 259 } else {
Grimmkey 0:b8221deeaa87 260 eventType = GattServerEvents::GATT_EVENT_UPDATES_DISABLED;
Grimmkey 0:b8221deeaa87 261 }
Grimmkey 0:b8221deeaa87 262
Grimmkey 0:b8221deeaa87 263 handleEvent(eventType, i);
Grimmkey 0:b8221deeaa87 264 return;
Grimmkey 0:b8221deeaa87 265 }
Grimmkey 0:b8221deeaa87 266 }
Grimmkey 0:b8221deeaa87 267
Grimmkey 0:b8221deeaa87 268 /* 2.) Changes to the characteristic value will be handled with other events below */
Grimmkey 0:b8221deeaa87 269 eventType = GattServerEvents::GATT_EVENT_DATA_WRITTEN;
Grimmkey 0:b8221deeaa87 270 break;
Grimmkey 0:b8221deeaa87 271
Grimmkey 0:b8221deeaa87 272 case BLE_GATTS_EVT_HVC:
Grimmkey 0:b8221deeaa87 273 /* Indication confirmation received */
Grimmkey 0:b8221deeaa87 274 eventType = GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED;
Grimmkey 0:b8221deeaa87 275 handle_value = gattsEventP->params.hvc.handle;
Grimmkey 0:b8221deeaa87 276 break;
Grimmkey 0:b8221deeaa87 277
Grimmkey 0:b8221deeaa87 278 case BLE_EVT_TX_COMPLETE: {
Grimmkey 0:b8221deeaa87 279 handleDataSentEvent(p_ble_evt->evt.common_evt.params.tx_complete.count);
Grimmkey 0:b8221deeaa87 280 return;
Grimmkey 0:b8221deeaa87 281 }
Grimmkey 0:b8221deeaa87 282
Grimmkey 0:b8221deeaa87 283 case BLE_GATTS_EVT_SYS_ATTR_MISSING:
Grimmkey 0:b8221deeaa87 284 sd_ble_gatts_sys_attr_set(gattsEventP->conn_handle, NULL, 0);
Grimmkey 0:b8221deeaa87 285 return;
Grimmkey 0:b8221deeaa87 286
Grimmkey 0:b8221deeaa87 287 case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST:
Grimmkey 0:b8221deeaa87 288 switch (gattsEventP->params.authorize_request.type) {
Grimmkey 0:b8221deeaa87 289 case BLE_GATTS_AUTHORIZE_TYPE_READ:
Grimmkey 0:b8221deeaa87 290 eventType = GattServerEvents::GATT_EVENT_READ_AUTHORIZATION_REQ;
Grimmkey 0:b8221deeaa87 291 handle_value = gattsEventP->params.authorize_request.request.read.handle;
Grimmkey 0:b8221deeaa87 292 break;
Grimmkey 0:b8221deeaa87 293 case BLE_GATTS_AUTHORIZE_TYPE_WRITE:
Grimmkey 0:b8221deeaa87 294 eventType = GattServerEvents::GATT_EVENT_WRITE_AUTHORIZATION_REQ;
Grimmkey 0:b8221deeaa87 295 handle_value = gattsEventP->params.authorize_request.request.write.handle;
Grimmkey 0:b8221deeaa87 296 break;
Grimmkey 0:b8221deeaa87 297 default:
Grimmkey 0:b8221deeaa87 298 return;
Grimmkey 0:b8221deeaa87 299 }
Grimmkey 0:b8221deeaa87 300 break;
Grimmkey 0:b8221deeaa87 301
Grimmkey 0:b8221deeaa87 302 default:
Grimmkey 0:b8221deeaa87 303 return;
Grimmkey 0:b8221deeaa87 304 }
Grimmkey 0:b8221deeaa87 305
Grimmkey 0:b8221deeaa87 306 /* Find index (charHandle) in the pool */
Grimmkey 0:b8221deeaa87 307 for (uint8_t i = 0; i < characteristicCount; i++) {
Grimmkey 0:b8221deeaa87 308 if (nrfCharacteristicHandles[i].value_handle == handle_value) {
Grimmkey 0:b8221deeaa87 309 switch (eventType) {
Grimmkey 0:b8221deeaa87 310 case GattServerEvents::GATT_EVENT_DATA_WRITTEN: {
Grimmkey 0:b8221deeaa87 311 GattCharacteristicWriteCBParams cbParams = {
Grimmkey 0:b8221deeaa87 312 .charHandle = i,
Grimmkey 0:b8221deeaa87 313 .op = static_cast<GattCharacteristicWriteCBParams::Type>(gattsEventP->params.write.op),
Grimmkey 0:b8221deeaa87 314 .offset = gattsEventP->params.write.offset,
Grimmkey 0:b8221deeaa87 315 .len = gattsEventP->params.write.len,
Grimmkey 0:b8221deeaa87 316 .data = gattsEventP->params.write.data
Grimmkey 0:b8221deeaa87 317 };
Grimmkey 0:b8221deeaa87 318 handleDataWrittenEvent(&cbParams);
Grimmkey 0:b8221deeaa87 319 break;
Grimmkey 0:b8221deeaa87 320 }
Grimmkey 0:b8221deeaa87 321 case GattServerEvents::GATT_EVENT_WRITE_AUTHORIZATION_REQ: {
Grimmkey 0:b8221deeaa87 322 GattCharacteristicWriteAuthCBParams cbParams = {
Grimmkey 0:b8221deeaa87 323 .charHandle = i,
Grimmkey 0:b8221deeaa87 324 .offset = gattsEventP->params.authorize_request.request.write.offset,
Grimmkey 0:b8221deeaa87 325 .len = gattsEventP->params.authorize_request.request.write.len,
Grimmkey 0:b8221deeaa87 326 .data = gattsEventP->params.authorize_request.request.write.data,
Grimmkey 0:b8221deeaa87 327 };
Grimmkey 0:b8221deeaa87 328 ble_gatts_rw_authorize_reply_params_t reply = {
Grimmkey 0:b8221deeaa87 329 .type = BLE_GATTS_AUTHORIZE_TYPE_WRITE,
Grimmkey 0:b8221deeaa87 330 .params = {
Grimmkey 0:b8221deeaa87 331 .write = {
Grimmkey 0:b8221deeaa87 332 .gatt_status = p_characteristics[i]->authorizeWrite(&cbParams)
Grimmkey 0:b8221deeaa87 333 }
Grimmkey 0:b8221deeaa87 334 }
Grimmkey 0:b8221deeaa87 335 };
Grimmkey 0:b8221deeaa87 336 sd_ble_gatts_rw_authorize_reply(gattsEventP->conn_handle, &reply);
Grimmkey 0:b8221deeaa87 337
Grimmkey 0:b8221deeaa87 338 /*
Grimmkey 0:b8221deeaa87 339 * If write-authorization is enabled for a characteristic,
Grimmkey 0:b8221deeaa87 340 * AUTHORIZATION_REQ event (if replied with true) is *not*
Grimmkey 0:b8221deeaa87 341 * followed by another DATA_WRITTEN event; so we still need
Grimmkey 0:b8221deeaa87 342 * to invoke handleDataWritten(), much the same as we would
Grimmkey 0:b8221deeaa87 343 * have done if write-authorization had not been enabled.
Grimmkey 0:b8221deeaa87 344 */
Grimmkey 0:b8221deeaa87 345 if (reply.params.write.gatt_status == BLE_GATT_STATUS_SUCCESS) {
Grimmkey 0:b8221deeaa87 346 GattCharacteristicWriteCBParams cbParams = {
Grimmkey 0:b8221deeaa87 347 .charHandle = i,
Grimmkey 0:b8221deeaa87 348 .op = static_cast<GattCharacteristicWriteCBParams::Type>(gattsEventP->params.authorize_request.request.write.op),
Grimmkey 0:b8221deeaa87 349 .offset = gattsEventP->params.authorize_request.request.write.offset,
Grimmkey 0:b8221deeaa87 350 .len = gattsEventP->params.authorize_request.request.write.len,
Grimmkey 0:b8221deeaa87 351 .data = gattsEventP->params.authorize_request.request.write.data,
Grimmkey 0:b8221deeaa87 352 };
Grimmkey 0:b8221deeaa87 353 handleDataWrittenEvent(&cbParams);
Grimmkey 0:b8221deeaa87 354 }
Grimmkey 0:b8221deeaa87 355 break;
Grimmkey 0:b8221deeaa87 356 }
Grimmkey 0:b8221deeaa87 357 case GattServerEvents::GATT_EVENT_READ_AUTHORIZATION_REQ: {
Grimmkey 0:b8221deeaa87 358 GattCharacteristicReadAuthCBParams cbParams = {
Grimmkey 0:b8221deeaa87 359 .charHandle = i,
Grimmkey 0:b8221deeaa87 360 .offset = gattsEventP->params.authorize_request.request.read.offset,
Grimmkey 0:b8221deeaa87 361 .len = 0,
Grimmkey 0:b8221deeaa87 362 .data = NULL
Grimmkey 0:b8221deeaa87 363 };
Grimmkey 0:b8221deeaa87 364
Grimmkey 0:b8221deeaa87 365 ble_gatts_rw_authorize_reply_params_t reply = {
Grimmkey 0:b8221deeaa87 366 .type = BLE_GATTS_AUTHORIZE_TYPE_READ,
Grimmkey 0:b8221deeaa87 367 .params = {
Grimmkey 0:b8221deeaa87 368 .read = {
Grimmkey 0:b8221deeaa87 369 .gatt_status = p_characteristics[i]->authorizeRead(&cbParams)
Grimmkey 0:b8221deeaa87 370 }
Grimmkey 0:b8221deeaa87 371 }
Grimmkey 0:b8221deeaa87 372 };
Grimmkey 0:b8221deeaa87 373
Grimmkey 0:b8221deeaa87 374 if (cbParams.authorizationReply == BLE_GATT_STATUS_SUCCESS) {
Grimmkey 0:b8221deeaa87 375 if (cbParams.data != NULL) {
Grimmkey 0:b8221deeaa87 376 reply.params.read.update = 1;
Grimmkey 0:b8221deeaa87 377 reply.params.read.offset = cbParams.offset;
Grimmkey 0:b8221deeaa87 378 reply.params.read.len = cbParams.len;
Grimmkey 0:b8221deeaa87 379 reply.params.read.p_data = cbParams.data;
Grimmkey 0:b8221deeaa87 380 }
Grimmkey 0:b8221deeaa87 381 }
Grimmkey 0:b8221deeaa87 382
Grimmkey 0:b8221deeaa87 383 sd_ble_gatts_rw_authorize_reply(gattsEventP->conn_handle, &reply);
Grimmkey 0:b8221deeaa87 384 break;
Grimmkey 0:b8221deeaa87 385 }
Grimmkey 0:b8221deeaa87 386
Grimmkey 0:b8221deeaa87 387 default:
Grimmkey 0:b8221deeaa87 388 handleEvent(eventType, i);
Grimmkey 0:b8221deeaa87 389 break;
Grimmkey 0:b8221deeaa87 390 }
Grimmkey 0:b8221deeaa87 391 }
Grimmkey 0:b8221deeaa87 392 }
Grimmkey 0:b8221deeaa87 393 }
Grimmkey 0:b8221deeaa87 394
Grimmkey 0:b8221deeaa87 395 ble_error_t
Grimmkey 0:b8221deeaa87 396 nRF51GattServer::initializeGATTDatabase(void)
Grimmkey 0:b8221deeaa87 397 {
Grimmkey 0:b8221deeaa87 398 /* Empty. Services are populated in the GattDatabase through addService(). */
Grimmkey 0:b8221deeaa87 399 return BLE_ERROR_NONE;
Grimmkey 0:b8221deeaa87 400 }