| // Copyright 2022 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "heart_model.h" |
| |
| #include <zircon/syscalls.h> |
| |
| namespace bt_le_heart_rate { |
| |
| HeartModel::Measurement HeartModel::ReadMeasurement() { |
| Measurement measurement; |
| // Energy expended is a count of reads since the last reset. |
| energy_expended_++; |
| |
| measurement.contact = true; |
| |
| uint8_t random[1]; |
| zx_cprng_draw(random, sizeof(random)); |
| measurement.rate = random[0]; |
| |
| measurement.energy_expended = energy_expended_; |
| |
| return measurement; |
| } |
| |
| void HeartModel::ResetEnergyExpended() { energy_expended_ = 0; } |
| |
| } // namespace bt_le_heart_rate |
