void BLEPeripheral::begin() { unsigned char advertisementData[20]; unsigned char scanData[20]; unsigned char advertisementDataLength = 0; unsigned char scanDataLength = 0; if (this->_advertisedServiceUuid){ BLEUuid advertisedServiceUuid = BLEUuid(this->_advertisedServiceUuid); unsigned char advertisedServiceUuidLength = advertisedServiceUuid.length(); advertisementDataLength = 2 + advertisedServiceUuidLength; advertisementData[0] = (advertisedServiceUuidLength > 2) ? 0x06 : 0x02; advertisementData[1] = advertisedServiceUuidLength; memcpy(&advertisementData[2], advertisedServiceUuid.data(), advertisedServiceUuidLength); } else if (this->_manufacturerData && this->_manufacturerDataLength > 0) { if (this->_manufacturerDataLength > sizeof(advertisementData)) { this->_manufacturerDataLength = sizeof(advertisementData); } advertisementDataLength = 2 + this->_manufacturerDataLength; advertisementData[0] = 0xff; advertisementData[1] = this->_manufacturerDataLength; memcpy(&advertisementData[2], this->_manufacturerData, this->_manufacturerDataLength); } if (this->_localName){ unsigned char originalLocalNameLength = strlen(this->_localName); unsigned char localNameLength = originalLocalNameLength; if (localNameLength > sizeof(scanData)) { localNameLength = sizeof(scanData); } scanDataLength = 2 + localNameLength; scanData[0] = (originalLocalNameLength > sizeof(scanData)) ? 0x08 : 0x09; scanData[1] = localNameLength; memcpy(&scanData[2], this->_localName, localNameLength); } for (int i = 0; i < this->_numAttributes; i++) { BLEAttribute* attribute = this->_attributes[i]; if (attribute->type() == BLETypeCharacteristic) { BLECharacteristic* characteristic = (BLECharacteristic*)attribute; characteristic->setValueChangeListener(*this); } } this->_nRF8001.begin(advertisementData, advertisementDataLength, scanData, scanDataLength, this->_attributes, this->_numAttributes); this->_nRF8001.requestAddress(); }
bool nRF51822::broadcastCharacteristic(BLECharacteristic& characteristic) { bool success = false; for (int i = 0; i < this->_numLocalCharacteristics; i++) { struct localCharacteristicInfo* localCharacteristicInfo = &this->_localCharacteristicInfo[i]; if (localCharacteristicInfo->characteristic == &characteristic) { if (characteristic.properties() & BLEBroadcast && localCharacteristicInfo->service) { unsigned char advData[31]; unsigned char advDataLen = this->_advDataLen; // copy the existing advertisement data memcpy(advData, this->_advData, advDataLen); advDataLen += (4 + characteristic.valueLength()); if (advDataLen <= 31) { BLEUuid uuid = BLEUuid(localCharacteristicInfo->service->uuid()); advData[this->_advDataLen + 0] = 3 + characteristic.valueLength(); advData[this->_advDataLen + 1] = 0x16; memcpy(&advData[this->_advDataLen + 2], uuid.data(), 2); memcpy(&advData[this->_advDataLen + 4], characteristic.value(), characteristic.valueLength()); sd_ble_gap_adv_data_set(advData, advDataLen, NULL, 0); // update advertisement data success = true; this->_broadcastCharacteristic = &characteristic; } } break; } } return success; }
void nRF51822::begin(unsigned char advertisementDataType, unsigned char advertisementDataLength, const unsigned char* advertisementData, unsigned char scanDataType, unsigned char scanDataLength, const unsigned char* scanData, BLELocalAttribute** localAttributes, unsigned char numLocalAttributes, BLERemoteAttribute** remoteAttributes, unsigned char numRemoteAttributes) { #ifdef __RFduino__ sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, NULL); #else sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL); // sd_nvic_EnableIRQ(SWI2_IRQn); #endif #ifdef NRF51_S130 ble_enable_params_t enableParams = { .gatts_enable_params = { .service_changed = true } }; sd_ble_enable(&enableParams); #endif #ifdef NRF_51822_DEBUG ble_version_t version; sd_ble_version_get(&version); Serial.print(F("version = ")); Serial.print(version.version_number); Serial.print(F(" ")); Serial.print(version.company_id); Serial.print(F(" ")); Serial.print(version.subversion_number); Serial.println(); #endif ble_gap_conn_params_t gap_conn_params; gap_conn_params.min_conn_interval = 40; // in 1.25ms units gap_conn_params.max_conn_interval = 80; // in 1.25ms unit gap_conn_params.slave_latency = 0; gap_conn_params.conn_sup_timeout = 4000 / 10; // in 10ms unit sd_ble_gap_ppcp_set(&gap_conn_params); sd_ble_gap_tx_power_set(0); unsigned char srData[31]; unsigned char srDataLen = 0; this->_advDataLen = 0; // flags this->_advData[this->_advDataLen + 0] = 2; this->_advData[this->_advDataLen + 1] = 0x01; this->_advData[this->_advDataLen + 2] = 0x06; this->_advDataLen += 3; if (advertisementDataType && advertisementDataLength && advertisementData) { this->_advData[this->_advDataLen + 0] = advertisementDataLength + 1; this->_advData[this->_advDataLen + 1] = advertisementDataType; this->_advDataLen += 2; memcpy(&this->_advData[this->_advDataLen], advertisementData, advertisementDataLength); this->_advDataLen += advertisementDataLength; } if (scanDataType && scanDataLength && scanData) { srData[0] = scanDataLength + 1; srData[1] = scanDataType; memcpy(&srData[2], scanData, scanDataLength); srDataLen = 2 + scanDataLength; } sd_ble_gap_adv_data_set(this->_advData, this->_advDataLen, srData, srDataLen); sd_ble_gap_appearance_set(0); for (int i = 0; i < numLocalAttributes; i++) { BLELocalAttribute *localAttribute = localAttributes[i]; if (localAttribute->type() == BLETypeCharacteristic) { this->_numLocalCharacteristics++; } } this->_numLocalCharacteristics -= 3; // 0x2a00, 0x2a01, 0x2a05 this->_localCharacteristicInfo = (struct localCharacteristicInfo*)malloc(sizeof(struct localCharacteristicInfo) * this->_numLocalCharacteristics); unsigned char localCharacteristicIndex = 0; uint16_t handle = 0; BLEService *lastService = NULL; for (int i = 0; i < numLocalAttributes; i++) { BLELocalAttribute *localAttribute = localAttributes[i]; BLEUuid uuid = BLEUuid(localAttribute->uuid()); const unsigned char* uuidData = uuid.data(); unsigned char value[255]; ble_uuid_t nordicUUID; if (uuid.length() == 2) { nordicUUID.uuid = (uuidData[1] << 8) | uuidData[0]; nordicUUID.type = BLE_UUID_TYPE_BLE; } else { unsigned char uuidDataTemp[16]; memcpy(&uuidDataTemp, uuidData, sizeof(uuidDataTemp)); nordicUUID.uuid = (uuidData[13] << 8) | uuidData[12]; uuidDataTemp[13] = 0; uuidDataTemp[12] = 0; sd_ble_uuid_vs_add((ble_uuid128_t*)&uuidDataTemp, &nordicUUID.type); } if (localAttribute->type() == BLETypeService) { BLEService *service = (BLEService *)localAttribute; if (strcmp(service->uuid(), "1800") == 0 || strcmp(service->uuid(), "1801") == 0) { continue; // skip } sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &nordicUUID, &handle); lastService = service; } else if (localAttribute->type() == BLETypeCharacteristic) { BLECharacteristic *characteristic = (BLECharacteristic *)localAttribute; if (strcmp(characteristic->uuid(), "2a00") == 0) { ble_gap_conn_sec_mode_t secMode; BLE_GAP_CONN_SEC_MODE_SET_OPEN(&secMode); // no security is needed sd_ble_gap_device_name_set(&secMode, characteristic->value(), characteristic->valueLength()); } else if (strcmp(characteristic->uuid(), "2a01") == 0) { const uint16_t *appearance = (const uint16_t*)characteristic->value(); sd_ble_gap_appearance_set(*appearance); } else if (strcmp(characteristic->uuid(), "2a05") == 0) { // do nothing } else { uint8_t properties = characteristic->properties() & 0xfe; uint16_t valueLength = characteristic->valueLength(); this->_localCharacteristicInfo[localCharacteristicIndex].characteristic = characteristic; this->_localCharacteristicInfo[localCharacteristicIndex].notifySubscribed = false; this->_localCharacteristicInfo[localCharacteristicIndex].indicateSubscribed = false; this->_localCharacteristicInfo[localCharacteristicIndex].service = lastService; ble_gatts_char_md_t characteristicMetaData; ble_gatts_attr_md_t clientCharacteristicConfigurationMetaData; ble_gatts_attr_t characteristicValueAttribute; ble_gatts_attr_md_t characteristicValueAttributeMetaData; memset(&characteristicMetaData, 0, sizeof(characteristicMetaData)); memcpy(&characteristicMetaData.char_props, &properties, 1); characteristicMetaData.p_char_user_desc = NULL; characteristicMetaData.p_char_pf = NULL; characteristicMetaData.p_user_desc_md = NULL; characteristicMetaData.p_cccd_md = NULL; characteristicMetaData.p_sccd_md = NULL; if (properties & (BLENotify | BLEIndicate)) { memset(&clientCharacteristicConfigurationMetaData, 0, sizeof(clientCharacteristicConfigurationMetaData)); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&clientCharacteristicConfigurationMetaData.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&clientCharacteristicConfigurationMetaData.write_perm); clientCharacteristicConfigurationMetaData.vloc = BLE_GATTS_VLOC_STACK; characteristicMetaData.p_cccd_md = &clientCharacteristicConfigurationMetaData; } memset(&characteristicValueAttributeMetaData, 0, sizeof(characteristicValueAttributeMetaData)); if (properties & (BLERead | BLENotify | BLEIndicate)) { if (this->_bondStore) { BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&characteristicValueAttributeMetaData.read_perm); } else { BLE_GAP_CONN_SEC_MODE_SET_OPEN(&characteristicValueAttributeMetaData.read_perm); } } if (properties & (BLEWriteWithoutResponse | BLEWrite)) { if (this->_bondStore) { BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&characteristicValueAttributeMetaData.write_perm); } else { BLE_GAP_CONN_SEC_MODE_SET_OPEN(&characteristicValueAttributeMetaData.write_perm); } } characteristicValueAttributeMetaData.vloc = BLE_GATTS_VLOC_STACK; characteristicValueAttributeMetaData.rd_auth = 0; characteristicValueAttributeMetaData.wr_auth = 0; characteristicValueAttributeMetaData.vlen = !characteristic->fixedLength(); for (int j = (i + 1); j < numLocalAttributes; j++) { localAttribute = localAttributes[j]; if (localAttribute->type() != BLETypeDescriptor) { break; } BLEDescriptor *descriptor = (BLEDescriptor *)localAttribute; if (strcmp(descriptor->uuid(), "2901") == 0) { characteristicMetaData.p_char_user_desc = (uint8_t*)descriptor->value(); characteristicMetaData.char_user_desc_max_size = descriptor->valueLength(); characteristicMetaData.char_user_desc_size = descriptor->valueLength(); } else if (strcmp(descriptor->uuid(), "2904") == 0) { characteristicMetaData.p_char_pf = (ble_gatts_char_pf_t *)descriptor->value(); } } memset(&characteristicValueAttribute, 0, sizeof(characteristicValueAttribute)); characteristicValueAttribute.p_uuid = &nordicUUID; characteristicValueAttribute.p_attr_md = &characteristicValueAttributeMetaData; characteristicValueAttribute.init_len = valueLength; characteristicValueAttribute.init_offs = 0; characteristicValueAttribute.max_len = characteristic->valueSize(); characteristicValueAttribute.p_value = NULL; sd_ble_gatts_characteristic_add(BLE_GATT_HANDLE_INVALID, &characteristicMetaData, &characteristicValueAttribute, &this->_localCharacteristicInfo[localCharacteristicIndex].handles); if (valueLength) { for (int j = 0; j < valueLength; j++) { value[j] = (*characteristic)[j]; } sd_ble_gatts_value_set(this->_localCharacteristicInfo[localCharacteristicIndex].handles.value_handle, 0, &valueLength, value); } localCharacteristicIndex++; } } else if (localAttribute->type() == BLETypeDescriptor) { BLEDescriptor *descriptor = (BLEDescriptor *)localAttribute; if (strcmp(descriptor->uuid(), "2901") == 0 || strcmp(descriptor->uuid(), "2902") == 0 || strcmp(descriptor->uuid(), "2903") == 0 || strcmp(descriptor->uuid(), "2904") == 0) { continue; // skip } uint16_t valueLength = descriptor->valueLength(); ble_gatts_attr_t descriptorAttribute; ble_gatts_attr_md_t descriptorMetaData; memset(&descriptorAttribute, 0, sizeof(descriptorAttribute)); memset(&descriptorMetaData, 0, sizeof(descriptorMetaData)); descriptorMetaData.vloc = BLE_GATTS_VLOC_STACK; descriptorMetaData.vlen = (valueLength == descriptor->valueLength()) ? 0 : 1; if (this->_bondStore) { BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&descriptorMetaData.read_perm); } else { BLE_GAP_CONN_SEC_MODE_SET_OPEN(&descriptorMetaData.read_perm); } descriptorAttribute.p_uuid = &nordicUUID; descriptorAttribute.p_attr_md = &descriptorMetaData; descriptorAttribute.init_len = valueLength; descriptorAttribute.max_len = descriptor->valueLength(); descriptorAttribute.p_value = NULL; sd_ble_gatts_descriptor_add(BLE_GATT_HANDLE_INVALID, &descriptorAttribute, &handle); if (valueLength) { for (int j = 0; j < valueLength; j++) { value[j] = (*descriptor)[j]; } sd_ble_gatts_value_set(handle, 0, &valueLength, value); } } } if ( numRemoteAttributes > 0) { numRemoteAttributes -= 2; // 0x1801, 0x2a05 } for (int i = 0; i < numRemoteAttributes; i++) { BLERemoteAttribute *remoteAttribute = remoteAttributes[i]; if (remoteAttribute->type() == BLETypeService) { this->_numRemoteServices++; } else if (remoteAttribute->type() == BLETypeCharacteristic) { this->_numRemoteCharacteristics++; } } this->_remoteServiceInfo = (struct remoteServiceInfo*)malloc(sizeof(struct remoteServiceInfo) * this->_numRemoteServices); this->_remoteCharacteristicInfo = (struct remoteCharacteristicInfo*)malloc(sizeof(struct remoteCharacteristicInfo) * this->_numRemoteCharacteristics); BLERemoteService *lastRemoteService = NULL; unsigned char remoteServiceIndex = 0; unsigned char remoteCharacteristicIndex = 0; for (int i = 0; i < numRemoteAttributes; i++) { BLERemoteAttribute *remoteAttribute = remoteAttributes[i]; BLEUuid uuid = BLEUuid(remoteAttribute->uuid()); const unsigned char* uuidData = uuid.data(); ble_uuid_t nordicUUID; if (uuid.length() == 2) { nordicUUID.uuid = (uuidData[1] << 8) | uuidData[0]; nordicUUID.type = BLE_UUID_TYPE_BLE; } else { unsigned char uuidDataTemp[16]; memcpy(&uuidDataTemp, uuidData, sizeof(uuidDataTemp)); nordicUUID.uuid = (uuidData[13] << 8) | uuidData[12]; uuidDataTemp[13] = 0; uuidDataTemp[12] = 0; sd_ble_uuid_vs_add((ble_uuid128_t*)&uuidDataTemp, &nordicUUID.type); } if (remoteAttribute->type() == BLETypeService) { this->_remoteServiceInfo[remoteServiceIndex].service = lastRemoteService = (BLERemoteService *)remoteAttribute; this->_remoteServiceInfo[remoteServiceIndex].uuid = nordicUUID; memset(&this->_remoteServiceInfo[remoteServiceIndex].handlesRange, 0, sizeof(this->_remoteServiceInfo[remoteServiceIndex].handlesRange)); remoteServiceIndex++; } else if (remoteAttribute->type() == BLETypeCharacteristic) { this->_remoteCharacteristicInfo[remoteCharacteristicIndex].characteristic = (BLERemoteCharacteristic *)remoteAttribute; this->_remoteCharacteristicInfo[remoteCharacteristicIndex].service = lastRemoteService; this->_remoteCharacteristicInfo[remoteCharacteristicIndex].uuid = nordicUUID; memset(&this->_remoteCharacteristicInfo[remoteCharacteristicIndex].properties, 0, sizeof(this->_remoteCharacteristicInfo[remoteCharacteristicIndex].properties)); this->_remoteCharacteristicInfo[remoteCharacteristicIndex].valueHandle = 0; remoteCharacteristicIndex++; } } if (this->_bondStore && this->_bondStore->hasData()) { #ifdef NRF_51822_DEBUG Serial.println(F("Restoring bond data")); #endif #ifdef NRF51_S130 this->_bondStore->getData(this->_bondData, 0, sizeof(this->_bondData)); #else this->_bondStore->getData(this->_authStatusBuffer, 0, sizeof(this->_authStatusBuffer)); #endif } this->startAdvertising(); #ifdef __RFduino__ RFduinoBLE_enabled = 1; #endif }
void BLEPeripheral::_advDataInit(void) { uint8_t *adv_tmp = _adv_data; memset(_adv_data, 0, sizeof(_adv_data)); /* Add flags */ *adv_tmp++ = 2; *adv_tmp++ = BLE_ADV_TYPE_FLAGS; *adv_tmp++ = BLE_SVC_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; _adv_data_len = 3; if (_advertise_service_uuid) { BLEUuid bleUuid = BLEUuid(_advertise_service_uuid); struct bt_uuid uuid = bleUuid.uuid(); if (BT_UUID16 == uuid.type) { uint8_t *adv_tmp = &_adv_data[_adv_data_len]; *adv_tmp++ = (1 + sizeof(uint16_t)); /* Segment data length */ *adv_tmp++ = BLE_ADV_TYPE_COMP_16_UUID; /* Needed for Eddystone */ UINT16_TO_LESTREAM(adv_tmp, uuid.uuid16); _adv_data_len += (2 + sizeof(uint16_t)); } else if (BT_UUID128 == uuid.type) { uint8_t *adv_tmp = &_adv_data[_adv_data_len]; *adv_tmp++ = (1 + MAX_UUID_SIZE); /* Segment data length */ *adv_tmp++ = BLE_ADV_TYPE_INC_128_UUID; memcpy(adv_tmp, uuid.uuid128, MAX_UUID_SIZE); _adv_data_len += (2 + MAX_UUID_SIZE); } } if (_local_name) { /* Add device name (truncated if too long) */ uint8_t calculated_len; adv_tmp = &_adv_data[_adv_data_len]; if (_adv_data_len + strlen(_local_name) + 2 <= BLE_MAX_ADV_SIZE) { *adv_tmp++ = strlen(_local_name) + 1; *adv_tmp++ = BLE_ADV_TYPE_COMP_LOCAL_NAME; calculated_len = strlen(_local_name); } else { *adv_tmp++ = BLE_MAX_ADV_SIZE - _adv_data_len - 1; *adv_tmp++ = BLE_ADV_TYPE_SHORT_LOCAL_NAME; calculated_len = BLE_MAX_ADV_SIZE - _adv_data_len - 2; } memcpy(adv_tmp, _local_name, calculated_len); _adv_data_len += calculated_len + 2; } if (_service_data) { /* Add Service Data (if it will fit) */ BLEUuid bleUuid = BLEUuid(_service_data_uuid); struct bt_uuid uuid = bleUuid.uuid(); /* A 128-bit Service Data UUID won't fit in an Advertising packet */ if (BT_UUID16 != uuid.type) { return; /* We support service data only for 16-bit service UUID */ } uint8_t block_len = 1 + sizeof(uint16_t) + _service_data_length; if (_adv_data_len + 1 + block_len > BLE_MAX_ADV_SIZE) { return; // Service data block is too large. } adv_tmp = &_adv_data[_adv_data_len]; *adv_tmp++ = block_len; _adv_data_len++; *adv_tmp++ = BLE_ADV_TYPE_SERVICE_DATA_16_UUID; UINT16_TO_LESTREAM(adv_tmp, uuid.uuid16); memcpy(adv_tmp, _service_data, _service_data_length); _adv_data_len += block_len; } }
void BLEPeripheral::begin() { unsigned char advertisementDataType = 0; unsigned char scanDataType = 0; unsigned char advertisementDataLength = 0; unsigned char scanDataLength = 0; unsigned char advertisementData[BLE_ADVERTISEMENT_DATA_MAX_VALUE_LENGTH]; unsigned char scanData[BLE_SCAN_DATA_MAX_VALUE_LENGTH]; if (this->_serviceSolicitationUuid){ BLEUuid serviceSolicitationUuid = BLEUuid(this->_serviceSolicitationUuid); advertisementDataLength = serviceSolicitationUuid.length(); advertisementDataType = (advertisementDataLength > 2) ? 0x15 : 0x14; memcpy(advertisementData, serviceSolicitationUuid.data(), advertisementDataLength); } else if (this->_advertisedServiceUuid){ BLEUuid advertisedServiceUuid = BLEUuid(this->_advertisedServiceUuid); advertisementDataLength = advertisedServiceUuid.length(); advertisementDataType = (advertisementDataLength > 2) ? 0x06 : 0x02; memcpy(advertisementData, advertisedServiceUuid.data(), advertisementDataLength); } else if (this->_manufacturerData && this->_manufacturerDataLength > 0) { advertisementDataLength = this->_manufacturerDataLength; if (advertisementDataLength > sizeof(advertisementData)) { advertisementDataLength = sizeof(advertisementData); } advertisementDataType = 0xff; memcpy(advertisementData, this->_manufacturerData, advertisementDataLength); } if (this->_localName){ unsigned char localNameLength = strlen(this->_localName); scanDataLength = localNameLength; if (scanDataLength > sizeof(scanData)) { scanDataLength = sizeof(scanData); } scanDataType = (localNameLength > scanDataLength) ? 0x08 : 0x09; memcpy(scanData, this->_localName, scanDataLength); } if (this->_localAttributes == NULL) { this->initLocalAttributes(); } for (int i = 0; i < this->_numLocalAttributes; i++) { BLELocalAttribute* localAttribute = this->_localAttributes[i]; if (localAttribute->type() == BLETypeCharacteristic) { BLECharacteristic* characteristic = (BLECharacteristic*)localAttribute; characteristic->setValueChangeListener(*this); } } for (int i = 0; i < this->_numRemoteAttributes; i++) { BLERemoteAttribute* remoteAttribute = this->_remoteAttributes[i]; if (remoteAttribute->type() == BLETypeCharacteristic) { BLERemoteCharacteristic* remoteCharacteristic = (BLERemoteCharacteristic*)remoteAttribute; remoteCharacteristic->setValueChangeListener(*this); } } if (this->_numRemoteAttributes) { this->addRemoteAttribute(this->_remoteGenericAttributeService); this->addRemoteAttribute(this->_remoteServicesChangedCharacteristic); } this->_device->begin(advertisementDataType, advertisementDataLength, advertisementData, scanDataType, scanDataLength, scanData, this->_localAttributes, this->_numLocalAttributes, this->_remoteAttributes, this->_numRemoteAttributes); this->_device->requestAddress(); }
void BLEPeripheral::begin() { unsigned char advertisementDataSize = 0; BLEEirData advertisementData[3]; BLEEirData scanData; scanData.length = 0; unsigned char remainingAdvertisementDataLength = BLE_ADVERTISEMENT_DATA_MAX_VALUE_LENGTH + 2; if (this->_serviceSolicitationUuid){ BLEUuid serviceSolicitationUuid = BLEUuid(this->_serviceSolicitationUuid); unsigned char uuidLength = serviceSolicitationUuid.length(); advertisementData[advertisementDataSize].length = uuidLength; advertisementData[advertisementDataSize].type = (uuidLength > 2) ? 0x15 : 0x14; memcpy(advertisementData[advertisementDataSize].data, serviceSolicitationUuid.data(), uuidLength); advertisementDataSize += 1; remainingAdvertisementDataLength -= uuidLength + 2; } if (this->_advertisedServiceUuid){ BLEUuid advertisedServiceUuid = BLEUuid(this->_advertisedServiceUuid); unsigned char uuidLength = advertisedServiceUuid.length(); if (uuidLength + 2 <= remainingAdvertisementDataLength) { advertisementData[advertisementDataSize].length = uuidLength; advertisementData[advertisementDataSize].type = (uuidLength > 2) ? 0x06 : 0x02; memcpy(advertisementData[advertisementDataSize].data, advertisedServiceUuid.data(), uuidLength); advertisementDataSize += 1; remainingAdvertisementDataLength -= uuidLength + 2; } } if (this->_manufacturerData && this->_manufacturerDataLength > 0) { if (remainingAdvertisementDataLength >= 3) { unsigned char dataLength = this->_manufacturerDataLength; if (dataLength + 2 > remainingAdvertisementDataLength) { dataLength = remainingAdvertisementDataLength - 2; } advertisementData[advertisementDataSize].length = dataLength; advertisementData[advertisementDataSize].type = 0xff; memcpy(advertisementData[advertisementDataSize].data, this->_manufacturerData, dataLength); advertisementDataSize += 1; remainingAdvertisementDataLength -= dataLength + 2; } } if (this->_localName){ unsigned char localNameLength = strlen(this->_localName); scanData.length = localNameLength; if (scanData.length > BLE_SCAN_DATA_MAX_VALUE_LENGTH) { scanData.length = BLE_SCAN_DATA_MAX_VALUE_LENGTH; } scanData.type = (localNameLength > scanData.length) ? 0x08 : 0x09; memcpy(scanData.data, this->_localName, scanData.length); } if (this->_localAttributes == NULL) { this->initLocalAttributes(); } for (int i = 0; i < this->_numLocalAttributes; i++) { BLELocalAttribute* localAttribute = this->_localAttributes[i]; if (localAttribute->type() == BLETypeCharacteristic) { BLECharacteristic* characteristic = (BLECharacteristic*)localAttribute; characteristic->setValueChangeListener(*this); } } for (int i = 0; i < this->_numRemoteAttributes; i++) { BLERemoteAttribute* remoteAttribute = this->_remoteAttributes[i]; if (remoteAttribute->type() == BLETypeCharacteristic) { BLERemoteCharacteristic* remoteCharacteristic = (BLERemoteCharacteristic*)remoteAttribute; remoteCharacteristic->setValueChangeListener(*this); } } if (this->_numRemoteAttributes) { this->addRemoteAttribute(this->_remoteGenericAttributeService); this->addRemoteAttribute(this->_remoteServicesChangedCharacteristic); } this->_device->begin(advertisementDataSize, advertisementData, scanData.length > 0 ? 1 : 0, &scanData, this->_localAttributes, this->_numLocalAttributes, this->_remoteAttributes, this->_numRemoteAttributes); this->_device->requestAddress(); }