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/* Copyright (C) 2021 Avamander
This file is part of InfiniTime.
InfiniTime is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
InfiniTime is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdint>
#include <string>
#include <vector>
#include <memory>
#define min // workaround: nimble's min/max macros conflict with libstdc++
#define max
#include <host/ble_gap.h>
#include <host/ble_uuid.h>
#undef max
#undef min
#include "WeatherData.h"
#include <components/datetime/DateTimeController.h>
// 00030000-78fc-48fe-8e23-433b3a1942d0
#define WEATHER_SERVICE_UUID_BASE \
{ 0xd0, 0x42, 0x19, 0x3a, 0x3b, 0x43, 0x23, 0x8e, 0xfe, 0x48, 0xfc, 0x78, 0x00, 0x00, 0x03, 0x00 }
#define WEATHER_SERVICE_CHAR_UUID(y, x) \
{ 0xd0, 0x42, 0x19, 0x3a, 0x3b, 0x43, 0x23, 0x8e, 0xfe, 0x48, 0xfc, 0x78, (x), (y), 0x03, 0x00 }
int WeatherCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg);
namespace Pinetime {
namespace System {
class SystemTask;
}
namespace Controllers {
class WeatherService {
public:
explicit WeatherService(System::SystemTask& system, DateTime& dateTimeController);
void Init();
int OnCommand(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt);
/*
* Helper functions for quick access to currently valid data
*/
WeatherData::Location getCurrentLocation() const;
WeatherData::Clouds getCurrentClouds() const;
WeatherData::Obscuration getCurrentObscuration() const;
WeatherData::Precipitation getCurrentPrecipitation() const;
WeatherData::Wind getCurrentWind() const;
WeatherData::Temperature getCurrentTemperature() const;
WeatherData::Humidity getCurrentHumidity() const;
WeatherData::Pressure getCurrentPressure() const;
WeatherData::AirQuality getCurrentQuality() const;
/*
* Management functions
*/
/**
* Adds an event to the timeline
* @return
*/
bool addEventToTimeline(std::unique_ptr<WeatherData::TimelineHeader> event);
/**
* Gets the current timeline length
*/
size_t getTimelineLength() const;
/**
* Checks if an event of a certain type exists in the timeline
* @return
*/
bool hasTimelineEventOfType(WeatherData::eventtype type) const;
private:
ble_uuid128_t weatherUUID {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_UUID_BASE};
/**
* Just write timeline data here
*/
ble_uuid128_t weatherDataCharUUID {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_CHAR_UUID(0x00, 0x01)};
/**
* This doesn't take timeline data,
* provides some control over it
*/
ble_uuid128_t weatherControlCharUUID {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_CHAR_UUID(0x00, 0x02)};
const struct ble_gatt_chr_def characteristicDefinition[2] = {{.uuid = &weatherDataCharUUID.u,
.access_cb = WeatherCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_NOTIFY,
.val_handle = &eventHandle},
{.uuid = &weatherControlCharUUID.u,
.access_cb = WeatherCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ}};
const struct ble_gatt_svc_def serviceDefinition[2] = {
{.type = BLE_GATT_SVC_TYPE_PRIMARY, .uuid = &weatherUUID.u, .characteristics = characteristicDefinition}, {0}};
uint16_t eventHandle {};
Pinetime::System::SystemTask& system;
Pinetime::Controllers::DateTime& dateTimeController;
std::vector<std::unique_ptr<WeatherData::TimelineHeader>> timeline;
/**
* Cleans up the timeline of expired events
* @return result code
*/
void tidyTimeline();
/**
* Compares two timeline events
*/
static bool compareTimelineEvents(const std::unique_ptr<WeatherData::TimelineHeader>& first,
const std::unique_ptr<WeatherData::TimelineHeader>& second);
/**
* Returns current UNIX timestamp
*/
uint64_t getCurrentUNIXTimestamp() const;
};
}
}
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