InfiniTime/src/components/ble/HeartRateService.h

43 lines
1.5 KiB
C++

#pragma once
#define min // workaround: nimble's min/max macros conflict with libstdc++
#define max
#include <host/ble_gap.h>
#include <atomic>
#undef max
#undef min
namespace Pinetime {
namespace System {
class SystemTask;
}
namespace Controllers {
class HeartRateController;
class HeartRateService {
public:
HeartRateService(Pinetime::System::SystemTask& system, Controllers::HeartRateController& heartRateController);
void Init();
int OnHeartRateRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context);
void OnNewHeartRateValue(uint8_t hearRateValue);
void SubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle);
void UnsubscribeNotification(uint16_t connectionHandle, uint16_t attributeHandle);
private:
Pinetime::System::SystemTask& system;
Controllers::HeartRateController& heartRateController;
static constexpr uint16_t heartRateServiceId {0x180D};
static constexpr uint16_t heartRateMeasurementId {0x2A37};
static constexpr ble_uuid16_t heartRateServiceUuid {.u {.type = BLE_UUID_TYPE_16}, .value = heartRateServiceId};
static constexpr ble_uuid16_t heartRateMeasurementUuid {.u {.type = BLE_UUID_TYPE_16}, .value = heartRateMeasurementId};
struct ble_gatt_chr_def characteristicDefinition[2];
struct ble_gatt_svc_def serviceDefinition[2];
uint16_t heartRateMeasurementHandle;
std::atomic_bool heartRateMeasurementNotificationEnable {false};
};
}
}