Ida Bosch / PuckLight

Press buttons to activate the LED.

Dependencies:   BLE_API nRF51822

Fork of Puck by Nordic Pucks

Puck.h@10:67e4694f2d74, 2014-08-01 (annotated)

Committer:
stiaje
Date:
Fri Aug 01 07:45:38 2014 +0000
Revision:
10:67e4694f2d74
Parent:
8:49ffd38fb401
Parent:
9:ba0527c6b6d0
Child:
12:8a8cc109f048
Child:
16:fb8678ee25b0
Merge 'Update display puck to use new lib'

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sigveseb 3:5432b38585ea 1 #ifndef __PUCK_HPP__
sigveseb 3:5432b38585ea 2 #define __PUCK_HPP__
sigveseb 3:5432b38585ea 3
sigveseb 3:5432b38585ea 4 #include "BLEDevice.h"
sigveseb 3:5432b38585ea 5 #include <vector>
cristea 7:c07c01c2a741 6 #include "Log.h"
sigveseb 3:5432b38585ea 7
sigveseb 9:ba0527c6b6d0 8 enum PuckState {
sigveseb 3:5432b38585ea 9 CONNECTING,
sigveseb 3:5432b38585ea 10 CONNECTED,
sigveseb 3:5432b38585ea 11 ADVERTISING,
sigveseb 3:5432b38585ea 12 DISCONNECTED
sigveseb 3:5432b38585ea 13 };
sigveseb 3:5432b38585ea 14
sigveseb 3:5432b38585ea 15 const UUID stringToUUID(const char* str);
sigveseb 3:5432b38585ea 16
sigveseb 3:5432b38585ea 17 typedef void (*CharacteristicWriteCallback)(uint8_t* value);
sigveseb 3:5432b38585ea 18
sigveseb 3:5432b38585ea 19 typedef struct {
sigveseb 3:5432b38585ea 20 const UUID* uuid;
sigveseb 3:5432b38585ea 21 std::vector<CharacteristicWriteCallback>* callbacks;
sigveseb 3:5432b38585ea 22 } CharacteristicWriteCallbacks;
sigveseb 3:5432b38585ea 23
sigveseb 3:5432b38585ea 24
sigveseb 3:5432b38585ea 25 class Puck {
sigveseb 3:5432b38585ea 26 private:
sigveseb 3:5432b38585ea 27 Puck() {}
sigveseb 3:5432b38585ea 28 Puck(const Puck&);
sigveseb 3:5432b38585ea 29 Puck& operator=(const Puck&);
sigveseb 3:5432b38585ea 30
sigveseb 3:5432b38585ea 31 BLEDevice ble;
sigveseb 3:5432b38585ea 32 uint8_t beaconPayload[25];
sigveseb 3:5432b38585ea 33 PuckState state;
sigveseb 3:5432b38585ea 34 std::vector<GattService*> services;
sigveseb 3:5432b38585ea 35 std::vector<GattCharacteristic*> characteristics;
sigveseb 3:5432b38585ea 36 std::vector<CharacteristicWriteCallbacks*> writeCallbacks;
sigveseb 3:5432b38585ea 37 std::vector<CharacteristicWriteCallback> pendingCallbackStack;
sigveseb 3:5432b38585ea 38 std::vector<uint8_t*> pendingCallbackParameterStack;
sigveseb 3:5432b38585ea 39
stiaje 4:91506772210d 40 GattCharacteristic **previousCharacteristics;
stiaje 4:91506772210d 41
sigveseb 3:5432b38585ea 42 public:
sigveseb 3:5432b38585ea 43 static Puck &getPuck();
sigveseb 3:5432b38585ea 44
stiaje 5:2f2a2ac6b231 45 BLEDevice &getBle() { return ble; }
sigveseb 3:5432b38585ea 46 PuckState getState() { return state; }
sigveseb 3:5432b38585ea 47 void setState(PuckState state);
sigveseb 3:5432b38585ea 48 void init(uint16_t minor);
sigveseb 3:5432b38585ea 49 void startAdvertising();
sigveseb 3:5432b38585ea 50 void stopAdvertising();
sigveseb 9:ba0527c6b6d0 51 void disconnect();
sigveseb 3:5432b38585ea 52 bool drive();
sigveseb 9:ba0527c6b6d0 53 int countFreeMemory();
sigveseb 3:5432b38585ea 54 void onDataWritten(uint16_t handle);
sigveseb 3:5432b38585ea 55 void addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties = 0xA);
stiaje 10:67e4694f2d74 56
sigveseb 9:ba0527c6b6d0 57 void onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback);
sigveseb 8:49ffd38fb401 58 void updateCharacteristicValue(const UUID uuid, uint8_t* value, int length);
stiaje 10:67e4694f2d74 59
sigveseb 3:5432b38585ea 60 uint8_t* getCharacteristicValue(const UUID uuid);
sigveseb 3:5432b38585ea 61 };
sigveseb 3:5432b38585ea 62
sigveseb 3:5432b38585ea 63 Puck &Puck::getPuck() {
sigveseb 3:5432b38585ea 64 static Puck _puckSingletonInstance;
sigveseb 3:5432b38585ea 65 return _puckSingletonInstance;
sigveseb 3:5432b38585ea 66 }
sigveseb 3:5432b38585ea 67
sigveseb 3:5432b38585ea 68
sigveseb 3:5432b38585ea 69 void onDisconnection(void) {
sigveseb 3:5432b38585ea 70 LOG_INFO("Disconnected.\n");
sigveseb 3:5432b38585ea 71 Puck::getPuck().setState(DISCONNECTED);
sigveseb 3:5432b38585ea 72 }
sigveseb 3:5432b38585ea 73
sigveseb 3:5432b38585ea 74 void onConnection(void) {
sigveseb 3:5432b38585ea 75 LOG_INFO("Connected.\n");
sigveseb 3:5432b38585ea 76 Puck::getPuck().setState(CONNECTED);
sigveseb 3:5432b38585ea 77 }
sigveseb 3:5432b38585ea 78
sigveseb 3:5432b38585ea 79 void onDataWrittenCallback(uint16_t handle) {
sigveseb 3:5432b38585ea 80 Puck::getPuck().onDataWritten(handle);
sigveseb 3:5432b38585ea 81 }
sigveseb 3:5432b38585ea 82
sigveseb 3:5432b38585ea 83 bool isEqualUUID(const UUID* uuidA, const UUID uuidB) {
sigveseb 3:5432b38585ea 84 const uint8_t* uuidABase = uuidA->getBaseUUID();
sigveseb 3:5432b38585ea 85 const uint8_t* uuidBBase = uuidB.getBaseUUID();
sigveseb 9:ba0527c6b6d0 86
sigveseb 3:5432b38585ea 87 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 88 if(uuidABase[i] != uuidBBase[i]) {
sigveseb 3:5432b38585ea 89 return false;
sigveseb 3:5432b38585ea 90 }
sigveseb 3:5432b38585ea 91 }
sigveseb 9:ba0527c6b6d0 92 if(uuidA->getShortUUID() != uuidB.getShortUUID()) {
sigveseb 9:ba0527c6b6d0 93 return false;
sigveseb 9:ba0527c6b6d0 94 }
sigveseb 3:5432b38585ea 95 return true;
sigveseb 3:5432b38585ea 96 }
sigveseb 3:5432b38585ea 97
sigveseb 3:5432b38585ea 98 const UUID stringToUUID(const char* str) {
sigveseb 3:5432b38585ea 99 uint8_t array[16];
sigveseb 3:5432b38585ea 100 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 101 array[i] = str[i];
sigveseb 3:5432b38585ea 102 }
sigveseb 3:5432b38585ea 103 return UUID(array);
sigveseb 3:5432b38585ea 104 }
sigveseb 3:5432b38585ea 105
sigveseb 9:ba0527c6b6d0 106 void Puck::disconnect() {
sigveseb 9:ba0527c6b6d0 107 ble.disconnect();
sigveseb 9:ba0527c6b6d0 108 }
sigveseb 9:ba0527c6b6d0 109
sigveseb 9:ba0527c6b6d0 110 int Puck::countFreeMemory() {
sigveseb 9:ba0527c6b6d0 111 int blocksize = 256;
sigveseb 9:ba0527c6b6d0 112 int amount = 0;
sigveseb 9:ba0527c6b6d0 113 while (blocksize > 0) {
sigveseb 9:ba0527c6b6d0 114 amount += blocksize;
sigveseb 9:ba0527c6b6d0 115 LOG_VERBOSE("Trying to malloc %i bytes... ", amount);
sigveseb 9:ba0527c6b6d0 116 char *p = (char *) malloc(amount);
sigveseb 9:ba0527c6b6d0 117 if (p == NULL) {
sigveseb 9:ba0527c6b6d0 118 LOG_VERBOSE("FAIL!\n", amount);
sigveseb 9:ba0527c6b6d0 119 amount -= blocksize;
sigveseb 9:ba0527c6b6d0 120 blocksize /= 2;
sigveseb 9:ba0527c6b6d0 121 } else {
sigveseb 9:ba0527c6b6d0 122 free(p);
sigveseb 9:ba0527c6b6d0 123 LOG_VERBOSE("OK!\n", amount);
sigveseb 9:ba0527c6b6d0 124 }
sigveseb 9:ba0527c6b6d0 125 }
sigveseb 9:ba0527c6b6d0 126 LOG_DEBUG("Free memory: %i bytes.\n", amount);
sigveseb 9:ba0527c6b6d0 127 return amount;
sigveseb 9:ba0527c6b6d0 128 }
sigveseb 9:ba0527c6b6d0 129
sigveseb 3:5432b38585ea 130 void Puck::setState(PuckState state) {
sigveseb 3:5432b38585ea 131 LOG_DEBUG("Changed state to %i\n", state);
sigveseb 3:5432b38585ea 132 this->state = state;
sigveseb 3:5432b38585ea 133 }
sigveseb 3:5432b38585ea 134
sigveseb 3:5432b38585ea 135 void Puck::init(uint16_t minor) {
sigveseb 3:5432b38585ea 136 /*
sigveseb 3:5432b38585ea 137 * The Beacon payload (encapsulated within the MSD advertising data structure)
sigveseb 3:5432b38585ea 138 * has the following composition:
sigveseb 3:5432b38585ea 139 * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61
sigveseb 3:5432b38585ea 140 * Major/Minor = 1337 / XXXX
sigveseb 3:5432b38585ea 141 * Tx Power = C8
sigveseb 3:5432b38585ea 142 */
sigveseb 3:5432b38585ea 143 uint8_t beaconPayloadTemplate[] = {
sigveseb 3:5432b38585ea 144 0x00, 0x00, // Company identifier code (0x004C == Apple)
sigveseb 3:5432b38585ea 145 0x02, // ID
sigveseb 3:5432b38585ea 146 0x15, // length of the remaining payload
sigveseb 3:5432b38585ea 147 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
sigveseb 3:5432b38585ea 148 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
sigveseb 3:5432b38585ea 149 0x13, 0x37, // the major value to differenciate a location (Our app requires 1337 as major number)
sigveseb 3:5432b38585ea 150 0x00, 0x00, // the minor value to differenciate a location (Change this to differentiate location pucks)
sigveseb 3:5432b38585ea 151 0xC8 // 2's complement of the Tx power (-56dB)
sigveseb 3:5432b38585ea 152 };
sigveseb 3:5432b38585ea 153 beaconPayloadTemplate[22] = minor >> 8;
sigveseb 3:5432b38585ea 154 beaconPayloadTemplate[23] = minor & 255;
sigveseb 3:5432b38585ea 155
sigveseb 3:5432b38585ea 156 for (int i=0; i < 25; i++) {
sigveseb 3:5432b38585ea 157 beaconPayload[i] = beaconPayloadTemplate[i];
sigveseb 3:5432b38585ea 158 }
sigveseb 3:5432b38585ea 159
sigveseb 3:5432b38585ea 160 ble.init();
sigveseb 9:ba0527c6b6d0 161 LOG_DEBUG("Inited BLEDevice.\n");
sigveseb 3:5432b38585ea 162 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 163
sigveseb 3:5432b38585ea 164 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
sigveseb 9:ba0527c6b6d0 165 LOG_DEBUG("Accumulate advertising payload: BREDR_NOT_SUPPORTED.\n");
sigveseb 3:5432b38585ea 166
sigveseb 3:5432b38585ea 167 ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, beaconPayload, sizeof(beaconPayload));
sigveseb 9:ba0527c6b6d0 168 LOG_DEBUG("Accumulate advertising payload: beacon data.\n");
sigveseb 3:5432b38585ea 169
sigveseb 3:5432b38585ea 170 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
sigveseb 9:ba0527c6b6d0 171 LOG_DEBUG("Setting advertising type: ADV_CONNECTABLE_UNDIRECTED.\n");
sigveseb 3:5432b38585ea 172
sigveseb 3:5432b38585ea 173 int hundredMillisecondsInAdvertisingIntervalFormat = 160;
sigveseb 3:5432b38585ea 174 ble.setAdvertisingInterval(hundredMillisecondsInAdvertisingIntervalFormat);
sigveseb 9:ba0527c6b6d0 175 LOG_DEBUG("Set advertising interval: 160 (100 ms).\n");
sigveseb 3:5432b38585ea 176
sigveseb 3:5432b38585ea 177 ble.onDisconnection(onDisconnection);
sigveseb 3:5432b38585ea 178 ble.onConnection(onConnection);
sigveseb 3:5432b38585ea 179 ble.onDataWritten(onDataWrittenCallback);
sigveseb 9:ba0527c6b6d0 180 LOG_DEBUG("Hooked up internal event handlers.\n");
sigveseb 3:5432b38585ea 181
sigveseb 3:5432b38585ea 182 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 183 ble.addService(*services[i]);
sigveseb 9:ba0527c6b6d0 184 LOG_DEBUG("Added service %x to BLEDevice\n", services[i]);
sigveseb 3:5432b38585ea 185 }
sigveseb 3:5432b38585ea 186
sigveseb 3:5432b38585ea 187 LOG_INFO("Inited puck as 0x%X.\n", minor);
sigveseb 3:5432b38585ea 188 }
sigveseb 3:5432b38585ea 189
sigveseb 3:5432b38585ea 190 void Puck::startAdvertising() {
sigveseb 3:5432b38585ea 191 ble.startAdvertising();
sigveseb 3:5432b38585ea 192 LOG_INFO("Starting to advertise.\n");
sigveseb 3:5432b38585ea 193 setState(ADVERTISING);
sigveseb 3:5432b38585ea 194 }
sigveseb 3:5432b38585ea 195
sigveseb 3:5432b38585ea 196 void Puck::stopAdvertising() {
sigveseb 3:5432b38585ea 197 if(state == ADVERTISING) {
sigveseb 3:5432b38585ea 198 ble.stopAdvertising();
sigveseb 3:5432b38585ea 199 LOG_INFO("Stopped advertising.\n");
sigveseb 3:5432b38585ea 200 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 201 } else {
sigveseb 3:5432b38585ea 202 LOG_WARN("Tried to stop advertising, but advertising is already stopped!\n");
sigveseb 3:5432b38585ea 203 }
sigveseb 3:5432b38585ea 204 }
sigveseb 3:5432b38585ea 205
sigveseb 3:5432b38585ea 206
sigveseb 3:5432b38585ea 207 void Puck::addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties) {
sigveseb 3:5432b38585ea 208 MBED_ASSERT(bytes <= 20);
sigveseb 3:5432b38585ea 209 uint16_t size = sizeof(uint8_t) * bytes;
sigveseb 3:5432b38585ea 210 uint8_t* value = (uint8_t*) malloc(size);
sigveseb 9:ba0527c6b6d0 211 if(value == NULL) {
sigveseb 9:ba0527c6b6d0 212 LOG_ERROR("Unable to malloc value for characteristic. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 213 }
sigveseb 9:ba0527c6b6d0 214
sigveseb 3:5432b38585ea 215 GattCharacteristic* characteristic = new GattCharacteristic(characteristicUuid, value, size, size, properties);
sigveseb 3:5432b38585ea 216 characteristics.push_back(characteristic);
sigveseb 9:ba0527c6b6d0 217
sigveseb 9:ba0527c6b6d0 218
sigveseb 3:5432b38585ea 219 GattService* service = NULL;
sigveseb 9:ba0527c6b6d0 220
sigveseb 3:5432b38585ea 221 int removeIndex = -1;
sigveseb 3:5432b38585ea 222 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 223 if(isEqualUUID(&services[i]->getUUID(), serviceUuid)) {
sigveseb 3:5432b38585ea 224 service = services[i];
sigveseb 3:5432b38585ea 225 removeIndex = i;
sigveseb 3:5432b38585ea 226 break;
sigveseb 3:5432b38585ea 227 }
sigveseb 3:5432b38585ea 228 }
sigveseb 3:5432b38585ea 229 GattCharacteristic** characteristics = NULL;
sigveseb 3:5432b38585ea 230 int characteristicsLength = 0;
sigveseb 3:5432b38585ea 231 if(service != NULL) {
sigveseb 3:5432b38585ea 232 characteristicsLength = service->getCharacteristicCount() + 1;
sigveseb 3:5432b38585ea 233 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 234 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 235 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 236 }
sigveseb 3:5432b38585ea 237 for(int i = 0; i < characteristicsLength; i++) {
sigveseb 3:5432b38585ea 238 characteristics[i] = service->getCharacteristic(i);
sigveseb 3:5432b38585ea 239 }
sigveseb 3:5432b38585ea 240 services.erase(services.begin() + removeIndex);
sigveseb 3:5432b38585ea 241 delete service;
stiaje 4:91506772210d 242 free(previousCharacteristics);
sigveseb 3:5432b38585ea 243 } else {
sigveseb 3:5432b38585ea 244 characteristicsLength = 1;
sigveseb 3:5432b38585ea 245 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 246 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 247 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 248 }
sigveseb 3:5432b38585ea 249 }
sigveseb 9:ba0527c6b6d0 250
sigveseb 3:5432b38585ea 251 characteristics[characteristicsLength - 1] = characteristic;
stiaje 4:91506772210d 252 previousCharacteristics = characteristics;
sigveseb 3:5432b38585ea 253 service = new GattService(serviceUuid, characteristics, characteristicsLength);
sigveseb 3:5432b38585ea 254 services.push_back(service);
sigveseb 9:ba0527c6b6d0 255 LOG_DEBUG("Added characteristic.\n");
sigveseb 3:5432b38585ea 256 }
sigveseb 3:5432b38585ea 257
sigveseb 8:49ffd38fb401 258
sigveseb 8:49ffd38fb401 259 void Puck::updateCharacteristicValue(const UUID uuid, uint8_t* value, int length) {
sigveseb 8:49ffd38fb401 260 GattCharacteristic* characteristic = NULL;
sigveseb 8:49ffd38fb401 261 for( int i = 0; i < characteristics.size(); i++) {
sigveseb 8:49ffd38fb401 262 if(isEqualUUID(&characteristics[i]->getUUID(), uuid)) {
sigveseb 8:49ffd38fb401 263 characteristic = characteristics[i];
sigveseb 8:49ffd38fb401 264 break;
sigveseb 8:49ffd38fb401 265 }
sigveseb 8:49ffd38fb401 266 }
sigveseb 8:49ffd38fb401 267 if(characteristic != NULL) {
sigveseb 8:49ffd38fb401 268 ble.updateCharacteristicValue(characteristic->getHandle(), value, length);
sigveseb 8:49ffd38fb401 269 LOG_VERBOSE("Updated characteristic value.\n");
sigveseb 8:49ffd38fb401 270 } else {
sigveseb 8:49ffd38fb401 271 LOG_WARN("Tried to update an unkown characteristic!\n");
sigveseb 8:49ffd38fb401 272 }
sigveseb 8:49ffd38fb401 273 }
sigveseb 8:49ffd38fb401 274
sigveseb 3:5432b38585ea 275 bool Puck::drive() {
sigveseb 3:5432b38585ea 276 ble.waitForEvent();
sigveseb 3:5432b38585ea 277 if(state == DISCONNECTED) {
sigveseb 3:5432b38585ea 278 startAdvertising();
sigveseb 3:5432b38585ea 279 }
sigveseb 3:5432b38585ea 280 while(pendingCallbackStack.size() > 0) {
sigveseb 3:5432b38585ea 281 pendingCallbackStack.back()(pendingCallbackParameterStack.back());
sigveseb 3:5432b38585ea 282 pendingCallbackStack.pop_back();
sigveseb 3:5432b38585ea 283 pendingCallbackParameterStack.pop_back();
sigveseb 3:5432b38585ea 284 }
sigveseb 3:5432b38585ea 285 return true;
sigveseb 3:5432b38585ea 286 }
sigveseb 3:5432b38585ea 287
sigveseb 3:5432b38585ea 288
sigveseb 9:ba0527c6b6d0 289 void Puck::onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback) {
sigveseb 3:5432b38585ea 290 CharacteristicWriteCallbacks* cb = NULL;
sigveseb 3:5432b38585ea 291 for(int i = 0; i< writeCallbacks.size(); i++) {
sigveseb 9:ba0527c6b6d0 292 if(isEqualUUID(writeCallbacks[i]->uuid, *uuid)) {
sigveseb 3:5432b38585ea 293 cb = writeCallbacks[i];
sigveseb 3:5432b38585ea 294 break;
sigveseb 3:5432b38585ea 295 }
sigveseb 3:5432b38585ea 296 }
sigveseb 3:5432b38585ea 297 if(cb == NULL) {
sigveseb 3:5432b38585ea 298 cb = (CharacteristicWriteCallbacks*) malloc(sizeof(CharacteristicWriteCallbacks));
sigveseb 9:ba0527c6b6d0 299 if(cb == NULL) {
sigveseb 9:ba0527c6b6d0 300 LOG_ERROR("Could not malloc CharacteristicWriteCallbacks container. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 301 }
sigveseb 9:ba0527c6b6d0 302 cb->uuid = uuid;
sigveseb 3:5432b38585ea 303 cb->callbacks = new std::vector<CharacteristicWriteCallback>();
sigveseb 3:5432b38585ea 304 writeCallbacks.push_back(cb);
sigveseb 3:5432b38585ea 305 }
sigveseb 3:5432b38585ea 306 cb->callbacks->push_back(callback);
sigveseb 3:5432b38585ea 307 LOG_VERBOSE("Bound characteristic write callback (uuid: %x, callback: %x)\n", uuid, callback);
sigveseb 3:5432b38585ea 308 }
sigveseb 3:5432b38585ea 309
sigveseb 3:5432b38585ea 310
sigveseb 3:5432b38585ea 311 uint8_t* Puck::getCharacteristicValue(const UUID uuid) {
sigveseb 3:5432b38585ea 312 LOG_VERBOSE("Reading characteristic value for UUID %x\n", uuid);
sigveseb 3:5432b38585ea 313 for(int i = 0; i < characteristics.size(); i++) {
sigveseb 3:5432b38585ea 314 GattCharacteristic* characteristic = characteristics[i];
sigveseb 3:5432b38585ea 315 if(isEqualUUID(&characteristic->getUUID(), uuid)) {
sigveseb 3:5432b38585ea 316 return characteristic->getValuePtr();
sigveseb 3:5432b38585ea 317 }
sigveseb 3:5432b38585ea 318 }
sigveseb 3:5432b38585ea 319 LOG_WARN("Tried to read an unknown characteristic!");
sigveseb 3:5432b38585ea 320 return NULL;
sigveseb 3:5432b38585ea 321 }
sigveseb 3:5432b38585ea 322
sigveseb 3:5432b38585ea 323
sigveseb 3:5432b38585ea 324 void Puck::onDataWritten(uint16_t handle) {
sigveseb 3:5432b38585ea 325 for (int i = 0; i < characteristics.size(); i++) {
sigveseb 3:5432b38585ea 326 GattCharacteristic* characteristic = characteristics[i];
sigveseb 3:5432b38585ea 327 if (characteristic->getHandle() == handle) {
sigveseb 3:5432b38585ea 328 uint16_t maxLength = characteristic->getMaxLength();
sigveseb 3:5432b38585ea 329 ble.readCharacteristicValue(handle, characteristic->getValuePtr(), &maxLength);
sigveseb 3:5432b38585ea 330 for(int j = 0; j < writeCallbacks.size(); j++) {
sigveseb 3:5432b38585ea 331 CharacteristicWriteCallbacks* characteristicWriteCallbacks = writeCallbacks[j];
sigveseb 3:5432b38585ea 332 if(isEqualUUID(characteristicWriteCallbacks->uuid, characteristic->getUUID())) {
sigveseb 3:5432b38585ea 333 for(int k = 0; k < characteristicWriteCallbacks->callbacks->size(); k++) {
sigveseb 3:5432b38585ea 334 pendingCallbackStack.push_back(characteristicWriteCallbacks->callbacks->at(k));
sigveseb 3:5432b38585ea 335 pendingCallbackParameterStack.push_back(characteristic->getValuePtr());
sigveseb 3:5432b38585ea 336 }
sigveseb 9:ba0527c6b6d0 337 return;
sigveseb 3:5432b38585ea 338 }
sigveseb 3:5432b38585ea 339 }
sigveseb 3:5432b38585ea 340 }
sigveseb 3:5432b38585ea 341 }
sigveseb 3:5432b38585ea 342 }
sigveseb 3:5432b38585ea 343
sigveseb 3:5432b38585ea 344
sigveseb 3:5432b38585ea 345
sigveseb 3:5432b38585ea 346 #endif // __PUCK_HPP__