1
0
Fork 0
InfiniTime/src/components/ble/CurrentTimeClient.h
2020-11-16 01:35:45 +01:00

61 lines
No EOL
2.4 KiB
C++

#pragma once
#define min // workaround: nimble's min/max macros conflict with libstdc++
#define max
#include <host/ble_gap.h>
#undef max
#undef min
#include <cstdint>
#include "BleClient.h"
namespace Pinetime {
namespace Controllers {
class DateTime;
class CurrentTimeClient : public BleClient {
public:
explicit CurrentTimeClient(DateTime& dateTimeController);
void Init();
void Reset();
bool OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service);
int OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic);
int OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute);
static constexpr const ble_uuid16_t* Uuid() { return &CurrentTimeClient::ctsServiceUuid; }
static constexpr const ble_uuid16_t* CurrentTimeCharacteristicUuid() { return &CurrentTimeClient::currentTimeCharacteristicUuid; }
void Discover(uint16_t connectionHandle, std::function<void(uint16_t)> lambda) override;
private:
typedef struct __attribute__((packed)) {
uint16_t year;
uint8_t month;
uint8_t dayofmonth;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t millis;
uint8_t reason;
} CtsData;
static constexpr uint16_t ctsServiceId {0x1805};
static constexpr uint16_t currentTimeCharacteristicId {0x2a2b};
static constexpr ble_uuid16_t ctsServiceUuid {
.u { .type = BLE_UUID_TYPE_16 },
.value = ctsServiceId
};
static constexpr ble_uuid16_t currentTimeCharacteristicUuid {
.u { .type = BLE_UUID_TYPE_16 },
.value = currentTimeCharacteristicId
};
DateTime& dateTimeController;
bool isDiscovered = false;
uint16_t ctsStartHandle;
uint16_t ctsEndHandle;
bool isCharacteristicDiscovered = false;
uint16_t currentTimeHandle;
std::function<void(uint16_t)> onServiceDiscovered;
};
}
}