47 lines
No EOL
1.5 KiB
C++
47 lines
No EOL
1.5 KiB
C++
#pragma once
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class TickController {
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private:
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// 0 to disable
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unsigned int period_half_micros;
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// 0 - 16384, 8192 = no bend
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unsigned int midi_bend;
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unsigned int period_with_bend;
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void CalculatePeriod();
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public:
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TickController();
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void SetPeriod(unsigned int half_micros);
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void SetBend(unsigned int bend);
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// In units of half microseconds
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// 0 = disabled
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unsigned long NextTick();
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unsigned long NextTickWithTs(unsigned long cur_half_micros);
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};
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class MotorControl {
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private:
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// Control pins of the stepper motor
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int pin_dir, pin_step;
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unsigned long next_tick_half_micros;
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TickController tick_ctrl;
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void DoTick();
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public:
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// Constructor
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MotorControl(int pin_dir, int pin_step);
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// Must be called before using any other functionality (but after enabling the controllers)
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void Init();
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// Set the motor to tick at a given interval (inverse of frequency)
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void TickOn(unsigned long period_half_micros);
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// Set the motor to tick with a given MIDI pitch
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void TickAtPitch(unsigned int midi_pitch);
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// Set the pitch bend
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void TickPitchBend(int bend);
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// Turn off the motor
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void TickOff();
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// Perform a tick if necessary
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// This should be called from the main event loop
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void Tick(unsigned long cur_half_micros);
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}; |