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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program 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.
+ *
+ * This program 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 "../libs/stopwatch.h"
+#include "../libs/duration_t.h"
+#include "../inc/MarlinConfig.h"
+
+// Print debug messages with M111 S2
+//#define DEBUG_PRINTCOUNTER
+
+// Round up I2C / SPI address to next page boundary (assuming 32 byte pages)
+#define STATS_EEPROM_ADDRESS TERN(USE_WIRED_EEPROM, 0x40, 0x32)
+
+struct printStatistics { // 16 bytes
+ //const uint8_t magic; // Magic header, it will always be 0x16
+ uint16_t totalPrints; // Number of prints
+ uint16_t finishedPrints; // Number of complete prints
+ uint32_t printTime; // Accumulated printing time
+ uint32_t longestPrint; // Longest successful print job
+ float filamentUsed; // Accumulated filament consumed in mm
+ #if SERVICE_INTERVAL_1 > 0
+ uint32_t nextService1; // Service intervals (or placeholders)
+ #endif
+ #if SERVICE_INTERVAL_2 > 0
+ uint32_t nextService2;
+ #endif
+ #if SERVICE_INTERVAL_3 > 0
+ uint32_t nextService3;
+ #endif
+};
+
+class PrintCounter: public Stopwatch {
+ private:
+ typedef Stopwatch super;
+
+ #if EITHER(USE_WIRED_EEPROM, CPU_32_BIT)
+ typedef uint32_t eeprom_address_t;
+ #else
+ typedef uint16_t eeprom_address_t;
+ #endif
+
+ static printStatistics data;
+
+ /**
+ * @brief EEPROM address
+ * @details Defines the start offset address where the data is stored.
+ */
+ static const eeprom_address_t address;
+
+ /**
+ * @brief Interval in seconds between counter updates
+ * @details This const value defines what will be the time between each
+ * accumulator update. This is different from the EEPROM save interval.
+ */
+ static constexpr millis_t updateInterval = SEC_TO_MS(10);
+
+ #if PRINTCOUNTER_SAVE_INTERVAL > 0
+ /**
+ * @brief Interval in seconds between EEPROM saves
+ * @details This const value defines what will be the time between each
+ * EEPROM save cycle, the development team recommends to set this value
+ * no lower than 3600 secs (1 hour).
+ */
+ static constexpr millis_t saveInterval = MIN_TO_MS(PRINTCOUNTER_SAVE_INTERVAL);
+ #endif
+
+ /**
+ * @brief Timestamp of the last call to deltaDuration()
+ * @details Store the timestamp of the last deltaDuration(), this is
+ * required due to the updateInterval cycle.
+ */
+ static millis_t lastDuration;
+
+ /**
+ * @brief Stats were loaded from EEPROM
+ * @details If set to true it indicates if the statistical data was already
+ * loaded from the EEPROM.
+ */
+ static bool loaded;
+
+ protected:
+ /**
+ * @brief dT since the last call
+ * @details Return the elapsed time in seconds since the last call, this is
+ * used internally for print statistics accounting is not intended to be a
+ * user callable function.
+ */
+ static millis_t deltaDuration();
+
+ public:
+
+ /**
+ * @brief Initialize the print counter
+ */
+ static inline void init() {
+ super::init();
+ loadStats();
+ }
+
+ /**
+ * @brief Check if Print Statistics has been loaded
+ * @details Return true if the statistical data has been loaded.
+ * @return bool
+ */
+ FORCE_INLINE static bool isLoaded() { return loaded; }
+
+ /**
+ * @brief Increment the total filament used
+ * @details The total filament used counter will be incremented by "amount".
+ *
+ * @param amount The amount of filament used in mm
+ */
+ static void incFilamentUsed(float const &amount);
+
+ /**
+ * @brief Reset the Print Statistics
+ * @details Reset the statistics to zero and saves them to EEPROM creating
+ * also the magic header.
+ */
+ static void initStats();
+
+ /**
+ * @brief Load the Print Statistics
+ * @details Load the statistics from EEPROM
+ */
+ static void loadStats();
+
+ /**
+ * @brief Save the Print Statistics
+ * @details Save the statistics to EEPROM
+ */
+ static void saveStats();
+
+ /**
+ * @brief Serial output the Print Statistics
+ * @details This function may change in the future, for now it directly
+ * prints the statistical data to serial.
+ */
+ static void showStats();
+
+ /**
+ * @brief Return the currently loaded statistics
+ * @details Return the raw data, in the same structure used internally
+ */
+ static printStatistics getStats() { return data; }
+
+ /**
+ * @brief Loop function
+ * @details This function should be called at loop, it will take care of
+ * periodically save the statistical data to EEPROM and do time keeping.
+ */
+ static void tick();
+
+ /**
+ * The following functions are being overridden
+ */
+ static bool start();
+ static bool _stop(const bool completed);
+ static inline bool stop() { return _stop(true); }
+ static inline bool abort() { return _stop(false); }
+
+ static void reset();
+
+ #if HAS_SERVICE_INTERVALS
+ static void resetServiceInterval(const int index);
+ static bool needsService(const int index);
+ #endif
+
+ #if ENABLED(DEBUG_PRINTCOUNTER)
+
+ /**
+ * @brief Print a debug message
+ * @details Print a simple debug message
+ */
+ static void debug(const char func[]);
+
+ #endif
+};
+
+// Global Print Job Timer instance
+#if ENABLED(PRINTCOUNTER)
+ extern PrintCounter print_job_timer;
+#else
+ extern Stopwatch print_job_timer;
+#endif