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// This file deals with looking up ignition timing
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#pragma once
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#include "stdint.h"
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static const int TIMING_SCALE = 10;
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// number of RPM lookup values
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static unsigned const MAX_RPM_POINTS = 8;
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// number of vacuum lookup points
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static unsigned const MAX_VACUUM_POINTS = 8;
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#if defined __cplusplus
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extern "C"
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{
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#endif
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    /// @brief Get timing adjustment value
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    /// @return Timing adjustment value
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    uint8_t getTimingAdjust();
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    /// @brief Set the timing adjustment value
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    /// @param adjust Timing value
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    void setTimingAdjust(int8_t adjust);
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    /// @brief Get timing map RPM column heading
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    /// @param i column number
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    /// @return Value at that position
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    int16_t getRpmMap(unsigned int i);
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    /// @brief Set the timing map RPM column heading
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    /// @param i column number
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    /// @param value Value to place at that position
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    void setRpmMap(unsigned int i, uint16_t value);
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    /// @brief Set vacuum mapping column heading (row actually)
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    /// @param i row number
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    /// @param value Value to place at that position
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    void setVacuumMap(unsigned int i, uint16_t value);
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    /// @brief Get vacuum mapping column heading (row actually)
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    /// @param i row number
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    uint16_t getVacuumMap(unsigned int i);
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    /// @brief Set the timing value
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    /// @param vacuumIndex
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    /// @param rpmIndex
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    /// @param value
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    void setTiming(unsigned int vacuumIndex,  unsigned int rpmIndex, uint8_t value);
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    /// @brief Get the timing value
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    /// @param vacuumIndex
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    /// @param rpmIndex
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    /// @return value
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    uint8_t getTiming(unsigned int vacuumIndex, unsigned int rpmIndex);
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    /// @brief Lookup ignition timing
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    /// @param rpm Engine Speed in RPM
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    /// @param vacuumMb Ported vacuum in millibars of vacuum : between about 0 and 700 usually
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    /// @return Vacuum advance in degrees * TIMING_SCALE;
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    int mapTiming(int rpm, int vacuumMb);
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#if defined __cplusplus
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}
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#endif