44 lines
826 B
C++
44 lines
826 B
C++
#ifndef ROTARY_ENCODER_DRIVER_H
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#define ROTARY_ENCODER_DRIVER_H
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#include <stdint.h>
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#include "digital_in.h"
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#include "digital_out.h"
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#include "timer_usec.h"
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class RotaryEncoderDriver {
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static const uint8_t HIST_LEN = 4; // 8 x 5 ms = 40 ms gluggi fyrir rpm-utreikning
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volatile uint8_t cycle;
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volatile int16_t count;
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volatile int16_t prev_count;
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volatile bool speed_ready;
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volatile int16_t history[HIST_LEN];
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volatile uint8_t hist_idx;
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Digital_out led;
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Digital_in eA;
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Digital_in eB;
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Timer_usec timer;
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public:
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volatile int16_t delta;
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RotaryEncoderDriver();
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void begin();
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void update();
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int position();
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void update_delta();
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float count_per_sec();
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float rpm();
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bool new_speed_available();
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void reset_speed_measurement();
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};
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#endif
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