Initial Weather service skeleton

2021-06-10 00:44:49 +03:00
parent 6ba2878605
commit bda96dc595
8 changed files with 992 additions and 0 deletions
--- a/src/components/ble/weather/WeatherService.h
+++ b/src/components/ble/weather/WeatherService.h
@@ -0,0 +1,139 @@
+/*  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 msUuid {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_UUID_BASE};
+
+      /**
+       * Just write timeline data here
+       */
+      ble_uuid128_t wDataCharUuid {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_CHAR_UUID(0x00, 0x01)};
+      /**
+       * This doesn't take timeline data
+       * but provides some control over it
+       */
+      ble_uuid128_t wControlCharUuid {.u = {.type = BLE_UUID_TYPE_128}, .value = WEATHER_SERVICE_CHAR_UUID(0x00, 0x02)};
+
+      const struct ble_gatt_chr_def characteristicDefinition[2] = {{.uuid = reinterpret_cast<ble_uuid_t*>(&wDataCharUuid),
+                                                                    .access_cb = WeatherCallback,
+                                                                    .arg = this,
+                                                                    .flags = BLE_GATT_CHR_F_NOTIFY,
+                                                                    .val_handle = &eventHandle},
+                                                                   {.uuid = reinterpret_cast<ble_uuid_t*>(&wControlCharUuid),
+                                                                    .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 = reinterpret_cast<ble_uuid_t*>(&msUuid), .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);
+
+      /**
+       *
+       */
+      uint64_t getCurrentUNIXTimestamp() const;
+    };
+  }
+}