Productize / nRF51822

library for BLE_GAP_backpack

Dependencies:   nrf51-sdk

Fork of nRF51822 by Nordic Semiconductor

source/nRF5xGattServer.cpp@575:7023a8204a1b, 2016-01-11 (annotated)

Committer:
vcoubard
Date:
Mon Jan 11 10:19:24 2016 +0000
Revision:
575:7023a8204a1b
Parent:
571:bbf6410b6a89
Child:
578:78f69f1be114
Synchronized with git rev 252ef3cf

Author: Andres Amaya Garcia

Make _gapInstance non-static in nRF5xn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vcoubard 541:884f95bf5351 1 /* mbed Microcontroller Library
vcoubard 541:884f95bf5351 2 * Copyright (c) 2006-2013 ARM Limited
vcoubard 541:884f95bf5351 3 *
vcoubard 541:884f95bf5351 4 * Licensed under the Apache License, Version 2.0 (the "License");
vcoubard 541:884f95bf5351 5 * you may not use this file except in compliance with the License.
vcoubard 541:884f95bf5351 6 * You may obtain a copy of the License at
vcoubard 541:884f95bf5351 7 *
vcoubard 541:884f95bf5351 8 * http://www.apache.org/licenses/LICENSE-2.0
vcoubard 541:884f95bf5351 9 *
vcoubard 541:884f95bf5351 10 * Unless required by applicable law or agreed to in writing, software
vcoubard 541:884f95bf5351 11 * distributed under the License is distributed on an "AS IS" BASIS,
vcoubard 541:884f95bf5351 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vcoubard 541:884f95bf5351 13 * See the License for the specific language governing permissions and
vcoubard 541:884f95bf5351 14 * limitations under the License.
vcoubard 541:884f95bf5351 15 */
vcoubard 541:884f95bf5351 16
vcoubard 541:884f95bf5351 17 #include "nRF5xGattServer.h"
vcoubard 541:884f95bf5351 18 #include "mbed.h"
vcoubard 541:884f95bf5351 19
vcoubard 541:884f95bf5351 20 #include "common/common.h"
vcoubard 541:884f95bf5351 21 #include "btle/custom/custom_helper.h"
vcoubard 541:884f95bf5351 22
vcoubard 575:7023a8204a1b 23 #include "nRF5xn.h"
vcoubard 541:884f95bf5351 24
vcoubard 541:884f95bf5351 25 /**************************************************************************/
vcoubard 541:884f95bf5351 26 /*!
vcoubard 541:884f95bf5351 27 @brief Adds a new service to the GATT table on the peripheral
vcoubard 541:884f95bf5351 28
vcoubard 541:884f95bf5351 29 @returns ble_error_t
vcoubard 541:884f95bf5351 30
vcoubard 541:884f95bf5351 31 @retval BLE_ERROR_NONE
vcoubard 541:884f95bf5351 32 Everything executed properly
vcoubard 541:884f95bf5351 33
vcoubard 541:884f95bf5351 34 @section EXAMPLE
vcoubard 541:884f95bf5351 35
vcoubard 541:884f95bf5351 36 @code
vcoubard 541:884f95bf5351 37
vcoubard 541:884f95bf5351 38 @endcode
vcoubard 541:884f95bf5351 39 */
vcoubard 541:884f95bf5351 40 /**************************************************************************/
vcoubard 541:884f95bf5351 41 ble_error_t nRF5xGattServer::addService(GattService &service)
vcoubard 541:884f95bf5351 42 {
vcoubard 541:884f95bf5351 43 /* ToDo: Make sure this service UUID doesn't already exist (?) */
vcoubard 541:884f95bf5351 44 /* ToDo: Basic validation */
vcoubard 541:884f95bf5351 45
vcoubard 541:884f95bf5351 46 /* Add the service to the nRF51 */
vcoubard 541:884f95bf5351 47 ble_uuid_t nordicUUID;
vcoubard 541:884f95bf5351 48 nordicUUID = custom_convert_to_nordic_uuid(service.getUUID());
vcoubard 541:884f95bf5351 49
vcoubard 541:884f95bf5351 50 uint16_t serviceHandle;
vcoubard 541:884f95bf5351 51 ASSERT( ERROR_NONE ==
vcoubard 541:884f95bf5351 52 sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
vcoubard 541:884f95bf5351 53 &nordicUUID,
vcoubard 541:884f95bf5351 54 &serviceHandle),
vcoubard 541:884f95bf5351 55 BLE_ERROR_PARAM_OUT_OF_RANGE );
vcoubard 541:884f95bf5351 56 service.setHandle(serviceHandle);
vcoubard 541:884f95bf5351 57
vcoubard 541:884f95bf5351 58 /* Add characteristics to the service */
vcoubard 541:884f95bf5351 59 for (uint8_t i = 0; i < service.getCharacteristicCount(); i++) {
vcoubard 541:884f95bf5351 60 if (characteristicCount >= BLE_TOTAL_CHARACTERISTICS) {
vcoubard 541:884f95bf5351 61 return BLE_ERROR_NO_MEM;
vcoubard 541:884f95bf5351 62 }
vcoubard 541:884f95bf5351 63 GattCharacteristic *p_char = service.getCharacteristic(i);
vcoubard 541:884f95bf5351 64
vcoubard 541:884f95bf5351 65 /* Skip any incompletely defined, read-only characteristics. */
vcoubard 541:884f95bf5351 66 if ((p_char->getValueAttribute().getValuePtr() == NULL) &&
vcoubard 552:20b282c26f96 67 (p_char->getValueAttribute().getLength() == 0) &&
vcoubard 541:884f95bf5351 68 (p_char->getProperties() == GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)) {
vcoubard 541:884f95bf5351 69 continue;
vcoubard 541:884f95bf5351 70 }
vcoubard 541:884f95bf5351 71
vcoubard 541:884f95bf5351 72 nordicUUID = custom_convert_to_nordic_uuid(p_char->getValueAttribute().getUUID());
vcoubard 541:884f95bf5351 73
vcoubard 541:884f95bf5351 74 /* The user-description descriptor is a special case which needs to be
vcoubard 541:884f95bf5351 75 * handled at the time of adding the characteristic. The following block
vcoubard 541:884f95bf5351 76 * is meant to discover its presence. */
vcoubard 541:884f95bf5351 77 const uint8_t *userDescriptionDescriptorValuePtr = NULL;
vcoubard 541:884f95bf5351 78 uint16_t userDescriptionDescriptorValueLen = 0;
vcoubard 541:884f95bf5351 79 for (uint8_t j = 0; j < p_char->getDescriptorCount(); j++) {
vcoubard 541:884f95bf5351 80 GattAttribute *p_desc = p_char->getDescriptor(j);
vcoubard 541:884f95bf5351 81 if (p_desc->getUUID() == BLE_UUID_DESCRIPTOR_CHAR_USER_DESC) {
vcoubard 541:884f95bf5351 82 userDescriptionDescriptorValuePtr = p_desc->getValuePtr();
vcoubard 541:884f95bf5351 83 userDescriptionDescriptorValueLen = p_desc->getLength();
vcoubard 541:884f95bf5351 84 }
vcoubard 541:884f95bf5351 85 }
vcoubard 541:884f95bf5351 86
vcoubard 541:884f95bf5351 87 ASSERT ( ERROR_NONE ==
vcoubard 541:884f95bf5351 88 custom_add_in_characteristic(BLE_GATT_HANDLE_INVALID,
vcoubard 541:884f95bf5351 89 &nordicUUID,
vcoubard 541:884f95bf5351 90 p_char->getProperties(),
vcoubard 541:884f95bf5351 91 p_char->getRequiredSecurity(),
vcoubard 541:884f95bf5351 92 p_char->getValueAttribute().getValuePtr(),
vcoubard 552:20b282c26f96 93 p_char->getValueAttribute().getLength(),
vcoubard 541:884f95bf5351 94 p_char->getValueAttribute().getMaxLength(),
vcoubard 553:2a413611e569 95 p_char->getValueAttribute().hasVariableLength(),
vcoubard 541:884f95bf5351 96 userDescriptionDescriptorValuePtr,
vcoubard 541:884f95bf5351 97 userDescriptionDescriptorValueLen,
vcoubard 541:884f95bf5351 98 p_char->isReadAuthorizationEnabled(),
vcoubard 541:884f95bf5351 99 p_char->isWriteAuthorizationEnabled(),
vcoubard 541:884f95bf5351 100 &nrfCharacteristicHandles[characteristicCount]),
vcoubard 541:884f95bf5351 101 BLE_ERROR_PARAM_OUT_OF_RANGE );
vcoubard 541:884f95bf5351 102
vcoubard 541:884f95bf5351 103 /* Update the characteristic handle */
vcoubard 541:884f95bf5351 104 p_characteristics[characteristicCount] = p_char;
vcoubard 541:884f95bf5351 105 p_char->getValueAttribute().setHandle(nrfCharacteristicHandles[characteristicCount].value_handle);
vcoubard 541:884f95bf5351 106 characteristicCount++;
vcoubard 541:884f95bf5351 107
vcoubard 541:884f95bf5351 108 /* Add optional descriptors if any */
vcoubard 541:884f95bf5351 109 for (uint8_t j = 0; j < p_char->getDescriptorCount(); j++) {
vcoubard 541:884f95bf5351 110 if (descriptorCount >= BLE_TOTAL_DESCRIPTORS) {
vcoubard 541:884f95bf5351 111 return BLE_ERROR_NO_MEM;
vcoubard 541:884f95bf5351 112 }
vcoubard 541:884f95bf5351 113
vcoubard 541:884f95bf5351 114 GattAttribute *p_desc = p_char->getDescriptor(j);
vcoubard 541:884f95bf5351 115 /* skip the user-description-descriptor here; this has already been handled when adding the characteristic (above). */
vcoubard 541:884f95bf5351 116 if (p_desc->getUUID() == BLE_UUID_DESCRIPTOR_CHAR_USER_DESC) {
vcoubard 541:884f95bf5351 117 continue;
vcoubard 541:884f95bf5351 118 }
vcoubard 541:884f95bf5351 119
vcoubard 541:884f95bf5351 120 nordicUUID = custom_convert_to_nordic_uuid(p_desc->getUUID());
vcoubard 541:884f95bf5351 121
vcoubard 541:884f95bf5351 122 ASSERT(ERROR_NONE ==
vcoubard 541:884f95bf5351 123 custom_add_in_descriptor(BLE_GATT_HANDLE_INVALID,
vcoubard 541:884f95bf5351 124 &nordicUUID,
vcoubard 541:884f95bf5351 125 p_desc->getValuePtr(),
vcoubard 552:20b282c26f96 126 p_desc->getLength(),
vcoubard 541:884f95bf5351 127 p_desc->getMaxLength(),
vcoubard 553:2a413611e569 128 p_desc->hasVariableLength(),
vcoubard 541:884f95bf5351 129 &nrfDescriptorHandles[descriptorCount]),
vcoubard 541:884f95bf5351 130 BLE_ERROR_PARAM_OUT_OF_RANGE);
vcoubard 541:884f95bf5351 131
vcoubard 541:884f95bf5351 132 p_descriptors[descriptorCount++] = p_desc;
vcoubard 541:884f95bf5351 133 p_desc->setHandle(nrfDescriptorHandles[descriptorCount]);
vcoubard 541:884f95bf5351 134 }
vcoubard 541:884f95bf5351 135 }
vcoubard 541:884f95bf5351 136
vcoubard 541:884f95bf5351 137 serviceCount++;
vcoubard 541:884f95bf5351 138
vcoubard 541:884f95bf5351 139 return BLE_ERROR_NONE;
vcoubard 541:884f95bf5351 140 }
vcoubard 541:884f95bf5351 141
vcoubard 541:884f95bf5351 142 /**************************************************************************/
vcoubard 541:884f95bf5351 143 /*!
vcoubard 541:884f95bf5351 144 @brief Reads the value of a characteristic, based on the service
vcoubard 541:884f95bf5351 145 and characteristic index fields
vcoubard 541:884f95bf5351 146
vcoubard 541:884f95bf5351 147 @param[in] attributeHandle
vcoubard 541:884f95bf5351 148 The handle of the GattCharacteristic to read from
vcoubard 541:884f95bf5351 149 @param[in] buffer
vcoubard 541:884f95bf5351 150 Buffer to hold the the characteristic's value
vcoubard 541:884f95bf5351 151 (raw byte array in LSB format)
vcoubard 541:884f95bf5351 152 @param[in/out] len
vcoubard 541:884f95bf5351 153 input: Length in bytes to be read.
vcoubard 541:884f95bf5351 154 output: Total length of attribute value upon successful return.
vcoubard 541:884f95bf5351 155
vcoubard 541:884f95bf5351 156 @returns ble_error_t
vcoubard 541:884f95bf5351 157
vcoubard 541:884f95bf5351 158 @retval BLE_ERROR_NONE
vcoubard 541:884f95bf5351 159 Everything executed properly
vcoubard 541:884f95bf5351 160 */
vcoubard 541:884f95bf5351 161 /**************************************************************************/
vcoubard 541:884f95bf5351 162 ble_error_t nRF5xGattServer::read(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP)
vcoubard 541:884f95bf5351 163 {
vcoubard 541:884f95bf5351 164 return read(BLE_CONN_HANDLE_INVALID, attributeHandle, buffer, lengthP);
vcoubard 541:884f95bf5351 165 }
vcoubard 541:884f95bf5351 166
vcoubard 541:884f95bf5351 167 ble_error_t nRF5xGattServer::read(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP)
vcoubard 541:884f95bf5351 168 {
vcoubard 541:884f95bf5351 169 ble_gatts_value_t value = {
vcoubard 541:884f95bf5351 170 .len = *lengthP,
vcoubard 541:884f95bf5351 171 .offset = 0,
vcoubard 541:884f95bf5351 172 .p_value = buffer,
vcoubard 541:884f95bf5351 173 };
vcoubard 541:884f95bf5351 174
vcoubard 541:884f95bf5351 175 ASSERT( ERROR_NONE ==
vcoubard 541:884f95bf5351 176 sd_ble_gatts_value_get(connectionHandle, attributeHandle, &value),
vcoubard 541:884f95bf5351 177 BLE_ERROR_PARAM_OUT_OF_RANGE);
vcoubard 541:884f95bf5351 178 *lengthP = value.len;
vcoubard 541:884f95bf5351 179
vcoubard 541:884f95bf5351 180 return BLE_ERROR_NONE;
vcoubard 541:884f95bf5351 181 }
vcoubard 541:884f95bf5351 182
vcoubard 541:884f95bf5351 183 /**************************************************************************/
vcoubard 541:884f95bf5351 184 /*!
vcoubard 541:884f95bf5351 185 @brief Updates the value of a characteristic, based on the service
vcoubard 541:884f95bf5351 186 and characteristic index fields
vcoubard 541:884f95bf5351 187
vcoubard 541:884f95bf5351 188 @param[in] charHandle
vcoubard 541:884f95bf5351 189 The handle of the GattCharacteristic to write to
vcoubard 541:884f95bf5351 190 @param[in] buffer
vcoubard 541:884f95bf5351 191 Data to use when updating the characteristic's value
vcoubard 541:884f95bf5351 192 (raw byte array in LSB format)
vcoubard 541:884f95bf5351 193 @param[in] len
vcoubard 541:884f95bf5351 194 The number of bytes in buffer
vcoubard 541:884f95bf5351 195
vcoubard 541:884f95bf5351 196 @returns ble_error_t
vcoubard 541:884f95bf5351 197
vcoubard 541:884f95bf5351 198 @retval BLE_ERROR_NONE
vcoubard 541:884f95bf5351 199 Everything executed properly
vcoubard 541:884f95bf5351 200 */
vcoubard 541:884f95bf5351 201 /**************************************************************************/
vcoubard 541:884f95bf5351 202 ble_error_t nRF5xGattServer::write(GattAttribute::Handle_t attributeHandle, const uint8_t buffer[], uint16_t len, bool localOnly)
vcoubard 541:884f95bf5351 203 {
vcoubard 541:884f95bf5351 204 return write(BLE_CONN_HANDLE_INVALID, attributeHandle, buffer, len, localOnly);
vcoubard 541:884f95bf5351 205 }
vcoubard 541:884f95bf5351 206
vcoubard 541:884f95bf5351 207 ble_error_t nRF5xGattServer::write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, const uint8_t buffer[], uint16_t len, bool localOnly)
vcoubard 541:884f95bf5351 208 {
vcoubard 541:884f95bf5351 209 ble_error_t returnValue = BLE_ERROR_NONE;
vcoubard 541:884f95bf5351 210
vcoubard 541:884f95bf5351 211 ble_gatts_value_t value = {
vcoubard 541:884f95bf5351 212 .len = len,
vcoubard 541:884f95bf5351 213 .offset = 0,
vcoubard 541:884f95bf5351 214 .p_value = const_cast<uint8_t *>(buffer),
vcoubard 541:884f95bf5351 215 };
vcoubard 541:884f95bf5351 216
vcoubard 541:884f95bf5351 217 if (localOnly) {
vcoubard 541:884f95bf5351 218 /* Only update locally regardless of notify/indicate */
vcoubard 541:884f95bf5351 219 ASSERT_INT( ERROR_NONE,
vcoubard 541:884f95bf5351 220 sd_ble_gatts_value_set(connectionHandle, attributeHandle, &value),
vcoubard 541:884f95bf5351 221 BLE_ERROR_PARAM_OUT_OF_RANGE );
vcoubard 541:884f95bf5351 222 return BLE_ERROR_NONE;
vcoubard 541:884f95bf5351 223 }
vcoubard 541:884f95bf5351 224
vcoubard 541:884f95bf5351 225 int characteristicIndex = resolveValueHandleToCharIndex(attributeHandle);
vcoubard 541:884f95bf5351 226 if ((characteristicIndex != -1) &&
vcoubard 541:884f95bf5351 227 (p_characteristics[characteristicIndex]->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY))) {
vcoubard 541:884f95bf5351 228 /* HVX update for the characteristic value */
vcoubard 541:884f95bf5351 229 ble_gatts_hvx_params_t hvx_params;
vcoubard 541:884f95bf5351 230
vcoubard 541:884f95bf5351 231 hvx_params.handle = attributeHandle;
vcoubard 541:884f95bf5351 232 hvx_params.type =
vcoubard 541:884f95bf5351 233 (p_characteristics[characteristicIndex]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) ? BLE_GATT_HVX_NOTIFICATION : BLE_GATT_HVX_INDICATION;
vcoubard 541:884f95bf5351 234 hvx_params.offset = 0;
vcoubard 541:884f95bf5351 235 hvx_params.p_data = const_cast<uint8_t *>(buffer);
vcoubard 541:884f95bf5351 236 hvx_params.p_len = &len;
vcoubard 541:884f95bf5351 237
vcoubard 541:884f95bf5351 238 if (connectionHandle == BLE_CONN_HANDLE_INVALID) { /* use the default connection handle if the caller hasn't specified a valid connectionHandle. */
vcoubard 575:7023a8204a1b 239 nRF5xGap &gap = (nRF5xGap &) nRF5xn::Instance(BLE::DEFAULT_INSTANCE).getGap();
vcoubard 575:7023a8204a1b 240 connectionHandle = gap.getConnectionHandle();
vcoubard 541:884f95bf5351 241 }
vcoubard 541:884f95bf5351 242 error_t error = (error_t) sd_ble_gatts_hvx(connectionHandle, &hvx_params);
vcoubard 541:884f95bf5351 243 if (error != ERROR_NONE) {
vcoubard 541:884f95bf5351 244 switch (error) {
vcoubard 541:884f95bf5351 245 case ERROR_BLE_NO_TX_BUFFERS: /* Notifications consume application buffers. The return value can be used for resending notifications. */
vcoubard 541:884f95bf5351 246 case ERROR_BUSY:
vcoubard 541:884f95bf5351 247 returnValue = BLE_STACK_BUSY;
vcoubard 541:884f95bf5351 248 break;
vcoubard 541:884f95bf5351 249
vcoubard 541:884f95bf5351 250 case ERROR_INVALID_STATE:
vcoubard 541:884f95bf5351 251 case ERROR_BLEGATTS_SYS_ATTR_MISSING:
vcoubard 541:884f95bf5351 252 returnValue = BLE_ERROR_INVALID_STATE;
vcoubard 541:884f95bf5351 253 break;
vcoubard 541:884f95bf5351 254
vcoubard 541:884f95bf5351 255 default :
vcoubard 541:884f95bf5351 256 ASSERT_INT( ERROR_NONE,
vcoubard 541:884f95bf5351 257 sd_ble_gatts_value_set(connectionHandle, attributeHandle, &value),
vcoubard 541:884f95bf5351 258 BLE_ERROR_PARAM_OUT_OF_RANGE );
vcoubard 541:884f95bf5351 259
vcoubard 541:884f95bf5351 260 /* Notifications consume application buffers. The return value can
vcoubard 541:884f95bf5351 261 * be used for resending notifications. */
vcoubard 541:884f95bf5351 262 returnValue = BLE_STACK_BUSY;
vcoubard 541:884f95bf5351 263 break;
vcoubard 541:884f95bf5351 264 }
vcoubard 541:884f95bf5351 265 }
vcoubard 541:884f95bf5351 266 } else {
vcoubard 541:884f95bf5351 267 returnValue = BLE_ERROR_INVALID_STATE; // if assert is not used
vcoubard 541:884f95bf5351 268 ASSERT_INT( ERROR_NONE,
vcoubard 541:884f95bf5351 269 sd_ble_gatts_value_set(connectionHandle, attributeHandle, &value),
vcoubard 541:884f95bf5351 270 BLE_ERROR_PARAM_OUT_OF_RANGE );
vcoubard 541:884f95bf5351 271 }
vcoubard 541:884f95bf5351 272
vcoubard 541:884f95bf5351 273 return returnValue;
vcoubard 541:884f95bf5351 274 }
vcoubard 541:884f95bf5351 275
vcoubard 541:884f95bf5351 276 ble_error_t nRF5xGattServer::areUpdatesEnabled(const GattCharacteristic &characteristic, bool *enabledP)
vcoubard 541:884f95bf5351 277 {
vcoubard 541:884f95bf5351 278 /* Forward the call with the default connection handle. */
vcoubard 575:7023a8204a1b 279 nRF5xGap &gap = (nRF5xGap &) nRF5xn::Instance(BLE::DEFAULT_INSTANCE).getGap();
vcoubard 575:7023a8204a1b 280 return areUpdatesEnabled(gap.getConnectionHandle(), characteristic, enabledP);
vcoubard 541:884f95bf5351 281 }
vcoubard 541:884f95bf5351 282
vcoubard 541:884f95bf5351 283 ble_error_t nRF5xGattServer::areUpdatesEnabled(Gap::Handle_t connectionHandle, const GattCharacteristic &characteristic, bool *enabledP)
vcoubard 541:884f95bf5351 284 {
vcoubard 541:884f95bf5351 285 int characteristicIndex = resolveValueHandleToCharIndex(characteristic.getValueHandle());
vcoubard 541:884f95bf5351 286 if (characteristicIndex == -1) {
vcoubard 541:884f95bf5351 287 return BLE_ERROR_INVALID_PARAM;
vcoubard 541:884f95bf5351 288 }
vcoubard 541:884f95bf5351 289
vcoubard 541:884f95bf5351 290 /* Read the cccd value from the GATT server. */
vcoubard 541:884f95bf5351 291 GattAttribute::Handle_t cccdHandle = nrfCharacteristicHandles[characteristicIndex].cccd_handle;
vcoubard 541:884f95bf5351 292 uint16_t cccdValue;
vcoubard 541:884f95bf5351 293 uint16_t length = sizeof(cccdValue);
vcoubard 541:884f95bf5351 294 ble_error_t rc = read(connectionHandle, cccdHandle, reinterpret_cast<uint8_t *>(&cccdValue), &length);
vcoubard 541:884f95bf5351 295 if (rc != BLE_ERROR_NONE) {
vcoubard 541:884f95bf5351 296 return rc;
vcoubard 541:884f95bf5351 297 }
vcoubard 541:884f95bf5351 298 if (length != sizeof(cccdValue)) {
vcoubard 541:884f95bf5351 299 return BLE_ERROR_INVALID_STATE;
vcoubard 541:884f95bf5351 300 }
vcoubard 541:884f95bf5351 301
vcoubard 541:884f95bf5351 302 /* Check for NOTFICATION or INDICATION in CCCD. */
vcoubard 541:884f95bf5351 303 if ((cccdValue & BLE_GATT_HVX_NOTIFICATION) || (cccdValue & BLE_GATT_HVX_INDICATION)) {
vcoubard 541:884f95bf5351 304 *enabledP = true;
vcoubard 541:884f95bf5351 305 }
vcoubard 541:884f95bf5351 306
vcoubard 541:884f95bf5351 307 return BLE_ERROR_NONE;
vcoubard 541:884f95bf5351 308 }
vcoubard 541:884f95bf5351 309
vcoubard 541:884f95bf5351 310 /**************************************************************************/
vcoubard 541:884f95bf5351 311 /*!
vcoubard 575:7023a8204a1b 312 @brief Clear nRF5xGattServer's state.
vcoubard 575:7023a8204a1b 313
vcoubard 575:7023a8204a1b 314 @returns ble_error_t
vcoubard 575:7023a8204a1b 315
vcoubard 575:7023a8204a1b 316 @retval BLE_ERROR_NONE
vcoubard 575:7023a8204a1b 317 Everything executed properly
vcoubard 575:7023a8204a1b 318 */
vcoubard 575:7023a8204a1b 319 /**************************************************************************/
vcoubard 575:7023a8204a1b 320 ble_error_t nRF5xGattServer::reset(void)
vcoubard 575:7023a8204a1b 321 {
vcoubard 575:7023a8204a1b 322 /* Clear all state that is from the parent, including private members */
vcoubard 575:7023a8204a1b 323 if (GattServer::reset() != BLE_ERROR_NONE) {
vcoubard 575:7023a8204a1b 324 return BLE_ERROR_INVALID_STATE;
vcoubard 575:7023a8204a1b 325 }
vcoubard 575:7023a8204a1b 326
vcoubard 575:7023a8204a1b 327 /* Clear derived class members */
vcoubard 575:7023a8204a1b 328 memset(p_characteristics, 0, sizeof(p_characteristics));
vcoubard 575:7023a8204a1b 329 memset(p_descriptors, 0, sizeof(p_descriptors));
vcoubard 575:7023a8204a1b 330 memset(nrfCharacteristicHandles, 0, sizeof(ble_gatts_char_handles_t));
vcoubard 575:7023a8204a1b 331 memset(nrfDescriptorHandles, 0, sizeof(nrfDescriptorHandles));
vcoubard 575:7023a8204a1b 332 descriptorCount = 0;
vcoubard 575:7023a8204a1b 333
vcoubard 575:7023a8204a1b 334 return BLE_ERROR_NONE;
vcoubard 575:7023a8204a1b 335 }
vcoubard 575:7023a8204a1b 336
vcoubard 575:7023a8204a1b 337 /**************************************************************************/
vcoubard 575:7023a8204a1b 338 /*!
vcoubard 541:884f95bf5351 339 @brief Callback handler for events getting pushed up from the SD
vcoubard 541:884f95bf5351 340 */
vcoubard 541:884f95bf5351 341 /**************************************************************************/
vcoubard 541:884f95bf5351 342 void nRF5xGattServer::hwCallback(ble_evt_t *p_ble_evt)
vcoubard 541:884f95bf5351 343 {
vcoubard 541:884f95bf5351 344 GattAttribute::Handle_t handle_value;
vcoubard 541:884f95bf5351 345 GattServerEvents::gattEvent_t eventType;
vcoubard 541:884f95bf5351 346 const ble_gatts_evt_t *gattsEventP = &p_ble_evt->evt.gatts_evt;
vcoubard 541:884f95bf5351 347
vcoubard 541:884f95bf5351 348 switch (p_ble_evt->header.evt_id) {
vcoubard 541:884f95bf5351 349 case BLE_GATTS_EVT_WRITE: {
vcoubard 541:884f95bf5351 350 /* There are 2 use case here: Values being updated & CCCD (indicate/notify) enabled */
vcoubard 541:884f95bf5351 351
vcoubard 541:884f95bf5351 352 /* 1.) Handle CCCD changes */
vcoubard 541:884f95bf5351 353 handle_value = gattsEventP->params.write.handle;
vcoubard 541:884f95bf5351 354 int characteristicIndex = resolveCCCDHandleToCharIndex(handle_value);
vcoubard 541:884f95bf5351 355 if ((characteristicIndex != -1) &&
vcoubard 541:884f95bf5351 356 (p_characteristics[characteristicIndex]->getProperties() &
vcoubard 541:884f95bf5351 357 (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY))) {
vcoubard 541:884f95bf5351 358
vcoubard 541:884f95bf5351 359 uint16_t cccd_value = (gattsEventP->params.write.data[1] << 8) | gattsEventP->params.write.data[0]; /* Little Endian but M0 may be mis-aligned */
vcoubard 541:884f95bf5351 360
vcoubard 541:884f95bf5351 361 if (((p_characteristics[characteristicIndex]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE) && (cccd_value & BLE_GATT_HVX_INDICATION)) ||
vcoubard 541:884f95bf5351 362 ((p_characteristics[characteristicIndex]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) && (cccd_value & BLE_GATT_HVX_NOTIFICATION))) {
vcoubard 541:884f95bf5351 363 eventType = GattServerEvents::GATT_EVENT_UPDATES_ENABLED;
vcoubard 541:884f95bf5351 364 } else {
vcoubard 541:884f95bf5351 365 eventType = GattServerEvents::GATT_EVENT_UPDATES_DISABLED;
vcoubard 541:884f95bf5351 366 }
vcoubard 541:884f95bf5351 367
vcoubard 541:884f95bf5351 368 handleEvent(eventType, p_characteristics[characteristicIndex]->getValueHandle());
vcoubard 541:884f95bf5351 369 return;
vcoubard 541:884f95bf5351 370 }
vcoubard 541:884f95bf5351 371
vcoubard 541:884f95bf5351 372 /* 2.) Changes to the characteristic value will be handled with other events below */
vcoubard 541:884f95bf5351 373 eventType = GattServerEvents::GATT_EVENT_DATA_WRITTEN;
vcoubard 541:884f95bf5351 374 }
vcoubard 541:884f95bf5351 375 break;
vcoubard 541:884f95bf5351 376
vcoubard 541:884f95bf5351 377 case BLE_GATTS_EVT_HVC:
vcoubard 541:884f95bf5351 378 /* Indication confirmation received */
vcoubard 541:884f95bf5351 379 eventType = GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED;
vcoubard 541:884f95bf5351 380 handle_value = gattsEventP->params.hvc.handle;
vcoubard 541:884f95bf5351 381 break;
vcoubard 541:884f95bf5351 382
vcoubard 541:884f95bf5351 383 case BLE_EVT_TX_COMPLETE: {
vcoubard 541:884f95bf5351 384 handleDataSentEvent(p_ble_evt->evt.common_evt.params.tx_complete.count);
vcoubard 541:884f95bf5351 385 return;
vcoubard 541:884f95bf5351 386 }
vcoubard 541:884f95bf5351 387
vcoubard 541:884f95bf5351 388 case BLE_GATTS_EVT_SYS_ATTR_MISSING:
vcoubard 541:884f95bf5351 389 sd_ble_gatts_sys_attr_set(gattsEventP->conn_handle, NULL, 0, 0);
vcoubard 541:884f95bf5351 390 return;
vcoubard 541:884f95bf5351 391
vcoubard 541:884f95bf5351 392 case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST:
vcoubard 541:884f95bf5351 393 switch (gattsEventP->params.authorize_request.type) {
vcoubard 541:884f95bf5351 394 case BLE_GATTS_AUTHORIZE_TYPE_READ:
vcoubard 541:884f95bf5351 395 eventType = GattServerEvents::GATT_EVENT_READ_AUTHORIZATION_REQ;
vcoubard 541:884f95bf5351 396 handle_value = gattsEventP->params.authorize_request.request.read.handle;
vcoubard 541:884f95bf5351 397 break;
vcoubard 541:884f95bf5351 398 case BLE_GATTS_AUTHORIZE_TYPE_WRITE:
vcoubard 541:884f95bf5351 399 eventType = GattServerEvents::GATT_EVENT_WRITE_AUTHORIZATION_REQ;
vcoubard 541:884f95bf5351 400 handle_value = gattsEventP->params.authorize_request.request.write.handle;
vcoubard 541:884f95bf5351 401 break;
vcoubard 541:884f95bf5351 402 default:
vcoubard 541:884f95bf5351 403 return;
vcoubard 541:884f95bf5351 404 }
vcoubard 541:884f95bf5351 405 break;
vcoubard 541:884f95bf5351 406
vcoubard 541:884f95bf5351 407 default:
vcoubard 541:884f95bf5351 408 return;
vcoubard 541:884f95bf5351 409 }
vcoubard 541:884f95bf5351 410
vcoubard 541:884f95bf5351 411 int characteristicIndex = resolveValueHandleToCharIndex(handle_value);
vcoubard 541:884f95bf5351 412 if (characteristicIndex == -1) {
vcoubard 541:884f95bf5351 413 return;
vcoubard 541:884f95bf5351 414 }
vcoubard 541:884f95bf5351 415
vcoubard 541:884f95bf5351 416 /* Find index (charHandle) in the pool */
vcoubard 541:884f95bf5351 417 switch (eventType) {
vcoubard 541:884f95bf5351 418 case GattServerEvents::GATT_EVENT_DATA_WRITTEN: {
vcoubard 541:884f95bf5351 419 GattWriteCallbackParams cbParams = {
vcoubard 541:884f95bf5351 420 .connHandle = gattsEventP->conn_handle,
vcoubard 541:884f95bf5351 421 .handle = handle_value,
vcoubard 541:884f95bf5351 422 .writeOp = static_cast<GattWriteCallbackParams::WriteOp_t>(gattsEventP->params.write.op),
vcoubard 541:884f95bf5351 423 .offset = gattsEventP->params.write.offset,
vcoubard 541:884f95bf5351 424 .len = gattsEventP->params.write.len,
vcoubard 541:884f95bf5351 425 .data = gattsEventP->params.write.data
vcoubard 541:884f95bf5351 426 };
vcoubard 541:884f95bf5351 427 handleDataWrittenEvent(&cbParams);
vcoubard 541:884f95bf5351 428 break;
vcoubard 541:884f95bf5351 429 }
vcoubard 541:884f95bf5351 430 case GattServerEvents::GATT_EVENT_WRITE_AUTHORIZATION_REQ: {
vcoubard 541:884f95bf5351 431 GattWriteAuthCallbackParams cbParams = {
vcoubard 541:884f95bf5351 432 .connHandle = gattsEventP->conn_handle,
vcoubard 541:884f95bf5351 433 .handle = handle_value,
vcoubard 541:884f95bf5351 434 .offset = gattsEventP->params.authorize_request.request.write.offset,
vcoubard 541:884f95bf5351 435 .len = gattsEventP->params.authorize_request.request.write.len,
vcoubard 541:884f95bf5351 436 .data = gattsEventP->params.authorize_request.request.write.data,
vcoubard 541:884f95bf5351 437 .authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS /* the callback handler must leave this member
vcoubard 541:884f95bf5351 438 * set to AUTH_CALLBACK_REPLY_SUCCESS if the client
vcoubard 541:884f95bf5351 439 * request is to proceed. */
vcoubard 541:884f95bf5351 440 };
vcoubard 541:884f95bf5351 441 ble_gatts_rw_authorize_reply_params_t reply = {
vcoubard 541:884f95bf5351 442 .type = BLE_GATTS_AUTHORIZE_TYPE_WRITE,
vcoubard 541:884f95bf5351 443 .params = {
vcoubard 541:884f95bf5351 444 .write = {
vcoubard 541:884f95bf5351 445 .gatt_status = p_characteristics[characteristicIndex]->authorizeWrite(&cbParams)
vcoubard 541:884f95bf5351 446 }
vcoubard 541:884f95bf5351 447 }
vcoubard 541:884f95bf5351 448 };
vcoubard 541:884f95bf5351 449 sd_ble_gatts_rw_authorize_reply(gattsEventP->conn_handle, &reply);
vcoubard 541:884f95bf5351 450
vcoubard 541:884f95bf5351 451 /*
vcoubard 541:884f95bf5351 452 * If write-authorization is enabled for a characteristic,
vcoubard 541:884f95bf5351 453 * AUTHORIZATION_REQ event (if replied with true) is *not*
vcoubard 541:884f95bf5351 454 * followed by another DATA_WRITTEN event; so we still need
vcoubard 541:884f95bf5351 455 * to invoke handleDataWritten(), much the same as we would
vcoubard 541:884f95bf5351 456 * have done if write-authorization had not been enabled.
vcoubard 541:884f95bf5351 457 */
vcoubard 541:884f95bf5351 458 if (reply.params.write.gatt_status == BLE_GATT_STATUS_SUCCESS) {
vcoubard 541:884f95bf5351 459 GattWriteCallbackParams cbParams = {
vcoubard 541:884f95bf5351 460 .connHandle = gattsEventP->conn_handle,
vcoubard 541:884f95bf5351 461 .handle = handle_value,
vcoubard 541:884f95bf5351 462 .writeOp = static_cast<GattWriteCallbackParams::WriteOp_t>(gattsEventP->params.authorize_request.request.write.op),
vcoubard 541:884f95bf5351 463 .offset = gattsEventP->params.authorize_request.request.write.offset,
vcoubard 541:884f95bf5351 464 .len = gattsEventP->params.authorize_request.request.write.len,
vcoubard 541:884f95bf5351 465 .data = gattsEventP->params.authorize_request.request.write.data,
vcoubard 541:884f95bf5351 466 };
vcoubard 541:884f95bf5351 467 handleDataWrittenEvent(&cbParams);
vcoubard 541:884f95bf5351 468 }
vcoubard 541:884f95bf5351 469 break;
vcoubard 541:884f95bf5351 470 }
vcoubard 541:884f95bf5351 471 case GattServerEvents::GATT_EVENT_READ_AUTHORIZATION_REQ: {
vcoubard 541:884f95bf5351 472 GattReadAuthCallbackParams cbParams = {
vcoubard 541:884f95bf5351 473 .connHandle = gattsEventP->conn_handle,
vcoubard 541:884f95bf5351 474 .handle = handle_value,
vcoubard 541:884f95bf5351 475 .offset = gattsEventP->params.authorize_request.request.read.offset,
vcoubard 541:884f95bf5351 476 .len = 0,
vcoubard 541:884f95bf5351 477 .data = NULL,
vcoubard 541:884f95bf5351 478 .authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS /* the callback handler must leave this member
vcoubard 541:884f95bf5351 479 * set to AUTH_CALLBACK_REPLY_SUCCESS if the client
vcoubard 541:884f95bf5351 480 * request is to proceed. */
vcoubard 541:884f95bf5351 481 };
vcoubard 541:884f95bf5351 482
vcoubard 541:884f95bf5351 483 ble_gatts_rw_authorize_reply_params_t reply = {
vcoubard 541:884f95bf5351 484 .type = BLE_GATTS_AUTHORIZE_TYPE_READ,
vcoubard 541:884f95bf5351 485 .params = {
vcoubard 541:884f95bf5351 486 .read = {
vcoubard 541:884f95bf5351 487 .gatt_status = p_characteristics[characteristicIndex]->authorizeRead(&cbParams)
vcoubard 541:884f95bf5351 488 }
vcoubard 541:884f95bf5351 489 }
vcoubard 541:884f95bf5351 490 };
vcoubard 541:884f95bf5351 491
vcoubard 541:884f95bf5351 492 if (cbParams.authorizationReply == BLE_GATT_STATUS_SUCCESS) {
vcoubard 541:884f95bf5351 493 if (cbParams.data != NULL) {
vcoubard 541:884f95bf5351 494 reply.params.read.update = 1;
vcoubard 541:884f95bf5351 495 reply.params.read.offset = cbParams.offset;
vcoubard 541:884f95bf5351 496 reply.params.read.len = cbParams.len;
vcoubard 541:884f95bf5351 497 reply.params.read.p_data = cbParams.data;
vcoubard 541:884f95bf5351 498 }
vcoubard 541:884f95bf5351 499 }
vcoubard 541:884f95bf5351 500
vcoubard 541:884f95bf5351 501 sd_ble_gatts_rw_authorize_reply(gattsEventP->conn_handle, &reply);
vcoubard 541:884f95bf5351 502 break;
vcoubard 541:884f95bf5351 503 }
vcoubard 541:884f95bf5351 504
vcoubard 541:884f95bf5351 505 default:
vcoubard 541:884f95bf5351 506 handleEvent(eventType, handle_value);
vcoubard 541:884f95bf5351 507 break;
vcoubard 541:884f95bf5351 508 }
rgrover1 388:db85a09c27ef 509 }