1 // 2 // Copyright (C) 2015 Google, Inc. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at: 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #pragma once 18 19 #include <bluetooth/uuid.h> 20 21 // This header defines constants specific to the GATT Heart Rate Service. 22 23 namespace heart_rate { 24 25 // HR Measurement characteristic value flags 26 const uint8_t kHRValueFormat8Bit = (0 << 0); 27 const uint8_t kHRValueFormat16Bit = (1 << 0); 28 const uint16_t kHRSensorContactDetected = (3 << 1); 29 const uint8_t kHREnergyExpendedPresent = (1 << 3); 30 31 const bluetooth::UUID kCCCDescriptorUUID("2902"); 32 const bluetooth::UUID kHRServiceUUID("180D"); 33 const bluetooth::UUID kHRMeasurementUUID("2A37"); 34 const bluetooth::UUID kBodySensorLocationUUID("2A38"); 35 const bluetooth::UUID kHRControlPointUUID("2A39"); 36 37 const uint8_t kHRBodyLocationOther = 0; 38 const uint8_t kHRBodyLocationChest = 1; 39 const uint8_t kHRBodyLocationWrist = 2; 40 const uint8_t kHRBodyLocationFinger = 3; 41 const uint8_t kHRBodyLocationHand = 4; 42 const uint8_t kHRBodyLocationEarLobe = 5; 43 const uint8_t kHRBodyLocationFoot = 6; 44 45 } // namespace heart_rate 46
