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45 lines
1.6 KiB
45 lines
1.6 KiB
8 years ago
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#ifndef _IHANDLERS_H
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#define _IHANDLERS_H
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extern volatile uint16_t pitch; // Pitch value
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extern volatile uint16_t vol; // Volume value
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extern volatile uint8_t vScaledVolume; // Volume byte
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extern volatile uint16_t pitch_counter; // Pitch counter
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extern volatile uint16_t pitch_counter_l; // Last value of pitch counter
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extern volatile uint16_t vol_counter; // Pitch counter
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extern volatile uint16_t vol_counter_l; // Last value of pitch counter
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extern volatile uint16_t timer_overflow_counter; // counter for frequency measurement
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extern volatile bool volumeValueAvailable; // Volume read flag
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extern volatile bool pitchValueAvailable; // Pitch read flag
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extern volatile bool reenableInt1; // Pitch read flag
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extern volatile uint8_t vWavetableSelector;
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extern volatile uint16_t vPointerIncrement; // Table pointer increment
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inline void resetPitchFlag() { pitchValueAvailable = false; }
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inline void resetVolFlag() { volumeValueAvailable = false; }
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inline void savePitchCounter() { pitch_counter_l=pitch_counter; }
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inline void saveVolCounter() { vol_counter_l=vol_counter; };
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inline void setWavetableSampleAdvance(uint16_t val) { vPointerIncrement = val;}
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inline void disableInt1() { EIMSK &= ~ (1 << INT1); }
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inline void enableInt1() { if (reenableInt1) EIMSK |= (1 << INT1); }
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void ihInitialiseTimer();
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void ihInitialiseInterrupts();
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void ihInitialisePitchMeasurement();
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void ihInitialiseVolumeMeasurement();
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void resetPitchFlag();
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void resetVolFlag();
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void savePitchCounter();
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void saveVolCounter();
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#endif // _IHANDLERS_H
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