Ida Bosch / PuckLight

Press buttons to activate the LED.

Dependencies:   BLE_API nRF51822

Fork of Puck by Nordic Pucks

Puck.h@15:bfc682889c15, 2015-02-27 (annotated)

Committer:
sigveseb
Date:
Fri Feb 27 17:31:47 2015 +0000
Revision:
15:bfc682889c15
Parent:
14:9eda2d99fc1d
Child:
18:4c95a470d778
Update data write callbacks to use new BLE_API flow

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cristea 12:8a8cc109f048 1 /**
cristea 12:8a8cc109f048 2 * Copyright 2014 Nordic Semiconductor
cristea 12:8a8cc109f048 3 *
cristea 12:8a8cc109f048 4 * Licensed under the Apache License, Version 2.0 (the "License");
cristea 12:8a8cc109f048 5 * you may not use this file except in compliance with the License.
cristea 12:8a8cc109f048 6 * You may obtain a copy of the License at
cristea 12:8a8cc109f048 7 *
cristea 12:8a8cc109f048 8 * http://www.apache.org/licenses/LICENSE-2.0
cristea 12:8a8cc109f048 9 *
cristea 12:8a8cc109f048 10 * Unless required by applicable law or agreed to in writing, software
cristea 12:8a8cc109f048 11 * distributed under the License is distributed on an "AS IS" BASIS,
cristea 12:8a8cc109f048 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
cristea 12:8a8cc109f048 13 * See the License for the specific language governing permissions and
cristea 12:8a8cc109f048 14 * limitations under the License
cristea 12:8a8cc109f048 15 */
cristea 12:8a8cc109f048 16
cristea 12:8a8cc109f048 17
sigveseb 3:5432b38585ea 18 #ifndef __PUCK_HPP__
sigveseb 3:5432b38585ea 19 #define __PUCK_HPP__
sigveseb 3:5432b38585ea 20
sigveseb 3:5432b38585ea 21 #include "BLEDevice.h"
aleksanb 14:9eda2d99fc1d 22 #include "mbed.h"
aleksanb 14:9eda2d99fc1d 23 #include "Log.h"
sigveseb 3:5432b38585ea 24 #include <vector>
sigveseb 3:5432b38585ea 25
sigveseb 9:ba0527c6b6d0 26 enum PuckState {
sigveseb 3:5432b38585ea 27 CONNECTING,
sigveseb 3:5432b38585ea 28 CONNECTED,
sigveseb 3:5432b38585ea 29 ADVERTISING,
sigveseb 3:5432b38585ea 30 DISCONNECTED
sigveseb 3:5432b38585ea 31 };
sigveseb 3:5432b38585ea 32
sigveseb 3:5432b38585ea 33 const UUID stringToUUID(const char* str);
sigveseb 3:5432b38585ea 34
sigveseb 15:bfc682889c15 35 typedef void (*CharacteristicWriteCallback)(const uint8_t* value, uint8_t length);
sigveseb 3:5432b38585ea 36
sigveseb 3:5432b38585ea 37 typedef struct {
sigveseb 3:5432b38585ea 38 const UUID* uuid;
sigveseb 3:5432b38585ea 39 std::vector<CharacteristicWriteCallback>* callbacks;
sigveseb 3:5432b38585ea 40 } CharacteristicWriteCallbacks;
sigveseb 3:5432b38585ea 41
sigveseb 3:5432b38585ea 42
sigveseb 3:5432b38585ea 43 class Puck {
sigveseb 3:5432b38585ea 44 private:
sigveseb 3:5432b38585ea 45 Puck() {}
sigveseb 3:5432b38585ea 46 Puck(const Puck&);
sigveseb 3:5432b38585ea 47 Puck& operator=(const Puck&);
sigveseb 3:5432b38585ea 48
sigveseb 3:5432b38585ea 49 BLEDevice ble;
sigveseb 3:5432b38585ea 50 uint8_t beaconPayload[25];
sigveseb 3:5432b38585ea 51 PuckState state;
sigveseb 3:5432b38585ea 52 std::vector<GattService*> services;
sigveseb 3:5432b38585ea 53 std::vector<GattCharacteristic*> characteristics;
sigveseb 3:5432b38585ea 54 std::vector<CharacteristicWriteCallbacks*> writeCallbacks;
sigveseb 3:5432b38585ea 55 std::vector<CharacteristicWriteCallback> pendingCallbackStack;
sigveseb 15:bfc682889c15 56 std::vector<const uint8_t*> pendingCallbackParameterDataStack;
sigveseb 15:bfc682889c15 57 std::vector<uint8_t> pendingCallbackParameterLengthStack;
sigveseb 3:5432b38585ea 58
stiaje 4:91506772210d 59 GattCharacteristic **previousCharacteristics;
stiaje 4:91506772210d 60
sigveseb 3:5432b38585ea 61 public:
sigveseb 3:5432b38585ea 62 static Puck &getPuck();
sigveseb 3:5432b38585ea 63
stiaje 5:2f2a2ac6b231 64 BLEDevice &getBle() { return ble; }
sigveseb 3:5432b38585ea 65 PuckState getState() { return state; }
sigveseb 3:5432b38585ea 66 void setState(PuckState state);
sigveseb 3:5432b38585ea 67 void init(uint16_t minor);
sigveseb 3:5432b38585ea 68 void startAdvertising();
sigveseb 3:5432b38585ea 69 void stopAdvertising();
sigveseb 9:ba0527c6b6d0 70 void disconnect();
sigveseb 3:5432b38585ea 71 bool drive();
sigveseb 9:ba0527c6b6d0 72 int countFreeMemory();
sigveseb 15:bfc682889c15 73 void onDataWritten(GattAttribute::Handle_t handle, const uint8_t* data, const uint8_t length);
sigveseb 3:5432b38585ea 74 void addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties = 0xA);
stiaje 10:67e4694f2d74 75
sigveseb 9:ba0527c6b6d0 76 void onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback);
sigveseb 8:49ffd38fb401 77 void updateCharacteristicValue(const UUID uuid, uint8_t* value, int length);
stiaje 10:67e4694f2d74 78
sigveseb 3:5432b38585ea 79 uint8_t* getCharacteristicValue(const UUID uuid);
sigveseb 3:5432b38585ea 80 };
sigveseb 3:5432b38585ea 81
sigveseb 3:5432b38585ea 82 Puck &Puck::getPuck() {
sigveseb 3:5432b38585ea 83 static Puck _puckSingletonInstance;
sigveseb 3:5432b38585ea 84 return _puckSingletonInstance;
sigveseb 3:5432b38585ea 85 }
sigveseb 3:5432b38585ea 86
aleksanb 14:9eda2d99fc1d 87 void onDisconnection(Gap::Handle_t handle, Gap::DisconnectionReason_t disconnectReason) {
sigveseb 3:5432b38585ea 88 LOG_INFO("Disconnected.\n");
sigveseb 3:5432b38585ea 89 Puck::getPuck().setState(DISCONNECTED);
sigveseb 3:5432b38585ea 90 }
sigveseb 3:5432b38585ea 91
aleksanb 14:9eda2d99fc1d 92 void onConnection(Gap::Handle_t handle,
aleksanb 14:9eda2d99fc1d 93 Gap::addr_type_t peerAddrType,
aleksanb 14:9eda2d99fc1d 94 const Gap::address_t peerAddr,
aleksanb 14:9eda2d99fc1d 95 const Gap::ConnectionParams_t * connectionParams) {
sigveseb 3:5432b38585ea 96 LOG_INFO("Connected.\n");
sigveseb 3:5432b38585ea 97 Puck::getPuck().setState(CONNECTED);
sigveseb 3:5432b38585ea 98 }
sigveseb 3:5432b38585ea 99
aleksanb 14:9eda2d99fc1d 100 void onDataWrittenCallback(const GattCharacteristicWriteCBParams *context) {
sigveseb 15:bfc682889c15 101 Puck::getPuck().onDataWritten(context->charHandle, context->data, context->len);
sigveseb 3:5432b38585ea 102 }
sigveseb 3:5432b38585ea 103
sigveseb 3:5432b38585ea 104 bool isEqualUUID(const UUID* uuidA, const UUID uuidB) {
sigveseb 3:5432b38585ea 105 const uint8_t* uuidABase = uuidA->getBaseUUID();
sigveseb 3:5432b38585ea 106 const uint8_t* uuidBBase = uuidB.getBaseUUID();
sigveseb 9:ba0527c6b6d0 107
sigveseb 3:5432b38585ea 108 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 109 if(uuidABase[i] != uuidBBase[i]) {
sigveseb 3:5432b38585ea 110 return false;
sigveseb 3:5432b38585ea 111 }
sigveseb 3:5432b38585ea 112 }
sigveseb 9:ba0527c6b6d0 113 if(uuidA->getShortUUID() != uuidB.getShortUUID()) {
sigveseb 9:ba0527c6b6d0 114 return false;
sigveseb 9:ba0527c6b6d0 115 }
sigveseb 3:5432b38585ea 116 return true;
sigveseb 3:5432b38585ea 117 }
sigveseb 3:5432b38585ea 118
sigveseb 3:5432b38585ea 119 const UUID stringToUUID(const char* str) {
sigveseb 3:5432b38585ea 120 uint8_t array[16];
sigveseb 3:5432b38585ea 121 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 122 array[i] = str[i];
sigveseb 3:5432b38585ea 123 }
sigveseb 3:5432b38585ea 124 return UUID(array);
sigveseb 3:5432b38585ea 125 }
sigveseb 3:5432b38585ea 126
sigveseb 9:ba0527c6b6d0 127 void Puck::disconnect() {
aleksanb 14:9eda2d99fc1d 128 ble.disconnect(Gap::LOCAL_HOST_TERMINATED_CONNECTION);
sigveseb 9:ba0527c6b6d0 129 }
sigveseb 9:ba0527c6b6d0 130
sigveseb 9:ba0527c6b6d0 131 int Puck::countFreeMemory() {
sigveseb 9:ba0527c6b6d0 132 int blocksize = 256;
sigveseb 9:ba0527c6b6d0 133 int amount = 0;
sigveseb 9:ba0527c6b6d0 134 while (blocksize > 0) {
sigveseb 9:ba0527c6b6d0 135 amount += blocksize;
sigveseb 9:ba0527c6b6d0 136 LOG_VERBOSE("Trying to malloc %i bytes... ", amount);
sigveseb 9:ba0527c6b6d0 137 char *p = (char *) malloc(amount);
sigveseb 9:ba0527c6b6d0 138 if (p == NULL) {
sigveseb 9:ba0527c6b6d0 139 LOG_VERBOSE("FAIL!\n", amount);
sigveseb 9:ba0527c6b6d0 140 amount -= blocksize;
sigveseb 9:ba0527c6b6d0 141 blocksize /= 2;
sigveseb 9:ba0527c6b6d0 142 } else {
sigveseb 9:ba0527c6b6d0 143 free(p);
sigveseb 9:ba0527c6b6d0 144 LOG_VERBOSE("OK!\n", amount);
sigveseb 9:ba0527c6b6d0 145 }
sigveseb 9:ba0527c6b6d0 146 }
sigveseb 9:ba0527c6b6d0 147 LOG_DEBUG("Free memory: %i bytes.\n", amount);
sigveseb 9:ba0527c6b6d0 148 return amount;
sigveseb 9:ba0527c6b6d0 149 }
sigveseb 9:ba0527c6b6d0 150
sigveseb 3:5432b38585ea 151 void Puck::setState(PuckState state) {
sigveseb 3:5432b38585ea 152 LOG_DEBUG("Changed state to %i\n", state);
sigveseb 3:5432b38585ea 153 this->state = state;
sigveseb 3:5432b38585ea 154 }
sigveseb 3:5432b38585ea 155
sigveseb 3:5432b38585ea 156 void Puck::init(uint16_t minor) {
sigveseb 3:5432b38585ea 157 /*
sigveseb 3:5432b38585ea 158 * The Beacon payload (encapsulated within the MSD advertising data structure)
sigveseb 3:5432b38585ea 159 * has the following composition:
sigveseb 3:5432b38585ea 160 * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61
sigveseb 3:5432b38585ea 161 * Major/Minor = 1337 / XXXX
sigveseb 3:5432b38585ea 162 * Tx Power = C8
sigveseb 3:5432b38585ea 163 */
sigveseb 3:5432b38585ea 164 uint8_t beaconPayloadTemplate[] = {
sigveseb 3:5432b38585ea 165 0x00, 0x00, // Company identifier code (0x004C == Apple)
sigveseb 3:5432b38585ea 166 0x02, // ID
sigveseb 3:5432b38585ea 167 0x15, // length of the remaining payload
sigveseb 3:5432b38585ea 168 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
sigveseb 3:5432b38585ea 169 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
sigveseb 3:5432b38585ea 170 0x13, 0x37, // the major value to differenciate a location (Our app requires 1337 as major number)
sigveseb 3:5432b38585ea 171 0x00, 0x00, // the minor value to differenciate a location (Change this to differentiate location pucks)
sigveseb 3:5432b38585ea 172 0xC8 // 2's complement of the Tx power (-56dB)
sigveseb 3:5432b38585ea 173 };
sigveseb 3:5432b38585ea 174 beaconPayloadTemplate[22] = minor >> 8;
sigveseb 3:5432b38585ea 175 beaconPayloadTemplate[23] = minor & 255;
sigveseb 3:5432b38585ea 176
sigveseb 3:5432b38585ea 177 for (int i=0; i < 25; i++) {
sigveseb 3:5432b38585ea 178 beaconPayload[i] = beaconPayloadTemplate[i];
sigveseb 3:5432b38585ea 179 }
sigveseb 3:5432b38585ea 180
sigveseb 3:5432b38585ea 181 ble.init();
sigveseb 9:ba0527c6b6d0 182 LOG_DEBUG("Inited BLEDevice.\n");
sigveseb 3:5432b38585ea 183 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 184
sigveseb 3:5432b38585ea 185 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
sigveseb 9:ba0527c6b6d0 186 LOG_DEBUG("Accumulate advertising payload: BREDR_NOT_SUPPORTED.\n");
sigveseb 3:5432b38585ea 187
sigveseb 3:5432b38585ea 188 ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, beaconPayload, sizeof(beaconPayload));
sigveseb 9:ba0527c6b6d0 189 LOG_DEBUG("Accumulate advertising payload: beacon data.\n");
sigveseb 3:5432b38585ea 190
sigveseb 3:5432b38585ea 191 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
sigveseb 9:ba0527c6b6d0 192 LOG_DEBUG("Setting advertising type: ADV_CONNECTABLE_UNDIRECTED.\n");
sigveseb 3:5432b38585ea 193
sigveseb 3:5432b38585ea 194 int hundredMillisecondsInAdvertisingIntervalFormat = 160;
sigveseb 3:5432b38585ea 195 ble.setAdvertisingInterval(hundredMillisecondsInAdvertisingIntervalFormat);
sigveseb 9:ba0527c6b6d0 196 LOG_DEBUG("Set advertising interval: 160 (100 ms).\n");
sigveseb 3:5432b38585ea 197
sigveseb 3:5432b38585ea 198 ble.onDisconnection(onDisconnection);
sigveseb 3:5432b38585ea 199 ble.onConnection(onConnection);
sigveseb 3:5432b38585ea 200 ble.onDataWritten(onDataWrittenCallback);
sigveseb 9:ba0527c6b6d0 201 LOG_DEBUG("Hooked up internal event handlers.\n");
sigveseb 3:5432b38585ea 202
sigveseb 3:5432b38585ea 203 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 204 ble.addService(*services[i]);
sigveseb 9:ba0527c6b6d0 205 LOG_DEBUG("Added service %x to BLEDevice\n", services[i]);
sigveseb 3:5432b38585ea 206 }
sigveseb 3:5432b38585ea 207
sigveseb 3:5432b38585ea 208 LOG_INFO("Inited puck as 0x%X.\n", minor);
sigveseb 3:5432b38585ea 209 }
sigveseb 3:5432b38585ea 210
sigveseb 3:5432b38585ea 211 void Puck::startAdvertising() {
sigveseb 3:5432b38585ea 212 ble.startAdvertising();
sigveseb 3:5432b38585ea 213 LOG_INFO("Starting to advertise.\n");
sigveseb 3:5432b38585ea 214 setState(ADVERTISING);
sigveseb 3:5432b38585ea 215 }
sigveseb 3:5432b38585ea 216
sigveseb 3:5432b38585ea 217 void Puck::stopAdvertising() {
sigveseb 3:5432b38585ea 218 if(state == ADVERTISING) {
sigveseb 3:5432b38585ea 219 ble.stopAdvertising();
sigveseb 3:5432b38585ea 220 LOG_INFO("Stopped advertising.\n");
sigveseb 3:5432b38585ea 221 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 222 } else {
sigveseb 3:5432b38585ea 223 LOG_WARN("Tried to stop advertising, but advertising is already stopped!\n");
sigveseb 3:5432b38585ea 224 }
sigveseb 3:5432b38585ea 225 }
sigveseb 3:5432b38585ea 226
sigveseb 3:5432b38585ea 227
sigveseb 3:5432b38585ea 228 void Puck::addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties) {
sigveseb 3:5432b38585ea 229 MBED_ASSERT(bytes <= 20);
sigveseb 3:5432b38585ea 230 uint16_t size = sizeof(uint8_t) * bytes;
sigveseb 3:5432b38585ea 231 uint8_t* value = (uint8_t*) malloc(size);
sigveseb 9:ba0527c6b6d0 232 if(value == NULL) {
sigveseb 9:ba0527c6b6d0 233 LOG_ERROR("Unable to malloc value for characteristic. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 234 }
sigveseb 9:ba0527c6b6d0 235
sigveseb 3:5432b38585ea 236 GattCharacteristic* characteristic = new GattCharacteristic(characteristicUuid, value, size, size, properties);
sigveseb 3:5432b38585ea 237 characteristics.push_back(characteristic);
sigveseb 9:ba0527c6b6d0 238
sigveseb 9:ba0527c6b6d0 239
sigveseb 3:5432b38585ea 240 GattService* service = NULL;
sigveseb 9:ba0527c6b6d0 241
sigveseb 3:5432b38585ea 242 int removeIndex = -1;
sigveseb 3:5432b38585ea 243 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 244 if(isEqualUUID(&services[i]->getUUID(), serviceUuid)) {
sigveseb 3:5432b38585ea 245 service = services[i];
sigveseb 3:5432b38585ea 246 removeIndex = i;
sigveseb 3:5432b38585ea 247 break;
sigveseb 3:5432b38585ea 248 }
sigveseb 3:5432b38585ea 249 }
sigveseb 3:5432b38585ea 250 GattCharacteristic** characteristics = NULL;
sigveseb 3:5432b38585ea 251 int characteristicsLength = 0;
sigveseb 3:5432b38585ea 252 if(service != NULL) {
sigveseb 3:5432b38585ea 253 characteristicsLength = service->getCharacteristicCount() + 1;
sigveseb 3:5432b38585ea 254 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 255 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 256 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 257 }
sigveseb 3:5432b38585ea 258 for(int i = 0; i < characteristicsLength; i++) {
sigveseb 3:5432b38585ea 259 characteristics[i] = service->getCharacteristic(i);
sigveseb 3:5432b38585ea 260 }
sigveseb 3:5432b38585ea 261 services.erase(services.begin() + removeIndex);
sigveseb 3:5432b38585ea 262 delete service;
stiaje 4:91506772210d 263 free(previousCharacteristics);
sigveseb 3:5432b38585ea 264 } else {
sigveseb 3:5432b38585ea 265 characteristicsLength = 1;
sigveseb 3:5432b38585ea 266 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 267 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 268 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 269 }
sigveseb 3:5432b38585ea 270 }
sigveseb 9:ba0527c6b6d0 271
sigveseb 3:5432b38585ea 272 characteristics[characteristicsLength - 1] = characteristic;
stiaje 4:91506772210d 273 previousCharacteristics = characteristics;
sigveseb 3:5432b38585ea 274 service = new GattService(serviceUuid, characteristics, characteristicsLength);
sigveseb 3:5432b38585ea 275 services.push_back(service);
sigveseb 9:ba0527c6b6d0 276 LOG_DEBUG("Added characteristic.\n");
sigveseb 3:5432b38585ea 277 }
sigveseb 3:5432b38585ea 278
sigveseb 8:49ffd38fb401 279 void Puck::updateCharacteristicValue(const UUID uuid, uint8_t* value, int length) {
sigveseb 8:49ffd38fb401 280 GattCharacteristic* characteristic = NULL;
aleksanb 14:9eda2d99fc1d 281 for(int i = 0; i < characteristics.size(); i++) {
aleksanb 14:9eda2d99fc1d 282 GattAttribute &gattAttribute = characteristics[i]->getValueAttribute();
aleksanb 14:9eda2d99fc1d 283 if(isEqualUUID(&gattAttribute.getUUID(), uuid)) {
sigveseb 8:49ffd38fb401 284 characteristic = characteristics[i];
aleksanb 14:9eda2d99fc1d 285 break;
aleksanb 14:9eda2d99fc1d 286 }
sigveseb 8:49ffd38fb401 287 }
sigveseb 8:49ffd38fb401 288 if(characteristic != NULL) {
aleksanb 14:9eda2d99fc1d 289 ble.updateCharacteristicValue(characteristic->getValueHandle(), value, length);
sigveseb 8:49ffd38fb401 290 LOG_VERBOSE("Updated characteristic value.\n");
sigveseb 8:49ffd38fb401 291 } else {
sigveseb 8:49ffd38fb401 292 LOG_WARN("Tried to update an unkown characteristic!\n");
sigveseb 8:49ffd38fb401 293 }
sigveseb 8:49ffd38fb401 294 }
sigveseb 8:49ffd38fb401 295
sigveseb 3:5432b38585ea 296 bool Puck::drive() {
aleksanb 14:9eda2d99fc1d 297 if(state == DISCONNECTED) {
aleksanb 14:9eda2d99fc1d 298 startAdvertising();
aleksanb 14:9eda2d99fc1d 299 }
aleksanb 14:9eda2d99fc1d 300
sigveseb 3:5432b38585ea 301 ble.waitForEvent();
aleksanb 14:9eda2d99fc1d 302
sigveseb 3:5432b38585ea 303 while(pendingCallbackStack.size() > 0) {
sigveseb 15:bfc682889c15 304 pendingCallbackStack.back()(pendingCallbackParameterDataStack.back(), pendingCallbackParameterLengthStack.back());
sigveseb 3:5432b38585ea 305 pendingCallbackStack.pop_back();
sigveseb 15:bfc682889c15 306 pendingCallbackParameterDataStack.pop_back();
sigveseb 15:bfc682889c15 307 pendingCallbackParameterLengthStack.pop_back();
sigveseb 3:5432b38585ea 308 }
sigveseb 3:5432b38585ea 309 return true;
sigveseb 3:5432b38585ea 310 }
sigveseb 3:5432b38585ea 311
sigveseb 3:5432b38585ea 312
sigveseb 9:ba0527c6b6d0 313 void Puck::onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback) {
sigveseb 3:5432b38585ea 314 CharacteristicWriteCallbacks* cb = NULL;
sigveseb 3:5432b38585ea 315 for(int i = 0; i< writeCallbacks.size(); i++) {
sigveseb 9:ba0527c6b6d0 316 if(isEqualUUID(writeCallbacks[i]->uuid, *uuid)) {
sigveseb 3:5432b38585ea 317 cb = writeCallbacks[i];
sigveseb 3:5432b38585ea 318 break;
sigveseb 3:5432b38585ea 319 }
sigveseb 3:5432b38585ea 320 }
sigveseb 3:5432b38585ea 321 if(cb == NULL) {
sigveseb 3:5432b38585ea 322 cb = (CharacteristicWriteCallbacks*) malloc(sizeof(CharacteristicWriteCallbacks));
sigveseb 9:ba0527c6b6d0 323 if(cb == NULL) {
sigveseb 9:ba0527c6b6d0 324 LOG_ERROR("Could not malloc CharacteristicWriteCallbacks container. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 325 }
sigveseb 9:ba0527c6b6d0 326 cb->uuid = uuid;
sigveseb 3:5432b38585ea 327 cb->callbacks = new std::vector<CharacteristicWriteCallback>();
sigveseb 3:5432b38585ea 328 writeCallbacks.push_back(cb);
sigveseb 3:5432b38585ea 329 }
sigveseb 3:5432b38585ea 330 cb->callbacks->push_back(callback);
sigveseb 3:5432b38585ea 331 LOG_VERBOSE("Bound characteristic write callback (uuid: %x, callback: %x)\n", uuid, callback);
sigveseb 3:5432b38585ea 332 }
sigveseb 3:5432b38585ea 333
sigveseb 3:5432b38585ea 334
sigveseb 3:5432b38585ea 335 uint8_t* Puck::getCharacteristicValue(const UUID uuid) {
sigveseb 3:5432b38585ea 336 LOG_VERBOSE("Reading characteristic value for UUID %x\n", uuid);
sigveseb 3:5432b38585ea 337 for(int i = 0; i < characteristics.size(); i++) {
aleksanb 14:9eda2d99fc1d 338 GattAttribute &gattAttribute = characteristics[i]->getValueAttribute();
aleksanb 14:9eda2d99fc1d 339 if(isEqualUUID(&gattAttribute.getUUID(), uuid)) {
aleksanb 14:9eda2d99fc1d 340 return gattAttribute.getValuePtr();
sigveseb 3:5432b38585ea 341 }
sigveseb 3:5432b38585ea 342 }
sigveseb 3:5432b38585ea 343 LOG_WARN("Tried to read an unknown characteristic!");
sigveseb 3:5432b38585ea 344 return NULL;
sigveseb 3:5432b38585ea 345 }
sigveseb 3:5432b38585ea 346
sigveseb 3:5432b38585ea 347
sigveseb 15:bfc682889c15 348 void Puck::onDataWritten(GattAttribute::Handle_t handle, const uint8_t* data, uint8_t length) {
sigveseb 3:5432b38585ea 349 for (int i = 0; i < characteristics.size(); i++) {
sigveseb 3:5432b38585ea 350 GattCharacteristic* characteristic = characteristics[i];
aleksanb 14:9eda2d99fc1d 351
aleksanb 14:9eda2d99fc1d 352 if (characteristic->getValueHandle() == handle) {
aleksanb 14:9eda2d99fc1d 353 GattAttribute &gattAttribute = characteristic->getValueAttribute();
aleksanb 14:9eda2d99fc1d 354
sigveseb 3:5432b38585ea 355 for(int j = 0; j < writeCallbacks.size(); j++) {
sigveseb 3:5432b38585ea 356 CharacteristicWriteCallbacks* characteristicWriteCallbacks = writeCallbacks[j];
aleksanb 14:9eda2d99fc1d 357
aleksanb 14:9eda2d99fc1d 358 if(isEqualUUID(characteristicWriteCallbacks->uuid, gattAttribute.getUUID())) {
sigveseb 3:5432b38585ea 359 for(int k = 0; k < characteristicWriteCallbacks->callbacks->size(); k++) {
sigveseb 3:5432b38585ea 360 pendingCallbackStack.push_back(characteristicWriteCallbacks->callbacks->at(k));
sigveseb 15:bfc682889c15 361
sigveseb 15:bfc682889c15 362 pendingCallbackParameterDataStack.push_back(data);
sigveseb 15:bfc682889c15 363 pendingCallbackParameterLengthStack.push_back(length);
sigveseb 3:5432b38585ea 364 }
sigveseb 9:ba0527c6b6d0 365 return;
sigveseb 3:5432b38585ea 366 }
sigveseb 3:5432b38585ea 367 }
sigveseb 3:5432b38585ea 368 }
sigveseb 3:5432b38585ea 369 }
sigveseb 3:5432b38585ea 370 }
sigveseb 3:5432b38585ea 371
sigveseb 3:5432b38585ea 372
sigveseb 3:5432b38585ea 373 #endif // __PUCK_HPP__