Ken Van Hoeylandt 14e459e50f
GPS implementation (#216)
Implemented basic GPS support:
- GPS HAL
- GPS Service
- GPS Settings app
2025-02-11 23:46:52 +01:00

60 lines
1.4 KiB
C++

#pragma once
#include <Tactility/RtosCompat.h>
#include <Tactility/Mutex.h>
#include <minmea.h>
#include <ranges>
#include <memory>
namespace tt::hal::gps {
/** Thread-safe storage of recent satellites */
class SatelliteStorage {
public:
static constexpr size_t recordCount = 32;
private:
struct SatelliteRecord {
minmea_sat_info data {
.nr = 0,
.elevation = 0,
.azimuth = 0,
.snr = 0
};
TickType_t lastUpdated = 0;
bool inUse = false;
};
Mutex mutex = Mutex(Mutex::Type::Recursive);
std::array<SatelliteRecord, recordCount> records;
uint16_t recycleTimeSeconds;
uint16_t recentTimeSeconds;
SatelliteRecord* findRecord(int number);
SatelliteRecord* findUnusedRecord();
SatelliteRecord* findRecordToRecycle();
/** Tries to find an existing record, otherwise return a free one, otherwise return the oldest active one */
SatelliteRecord* findWithFallback(int number);
public:
explicit SatelliteStorage(
uint16_t recycleTimeSeconds = 120,
uint16_t recentTimeSeconds = 60
) : recycleTimeSeconds(recycleTimeSeconds), recentTimeSeconds(recentTimeSeconds) {}
void notify(const minmea_sat_info& info);
void getRecords(const std::function<void(const minmea_sat_info&)>& onRecord) const;
};
} // namespace tt::hal::gps