43 lines
861 B
C++
43 lines
861 B
C++
/*
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* Blinks the status LED.
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*/
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#pragma once
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#include <cstdint>
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/**
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* Blinks the status LEDs. Scans out the bit pattern LSB to MSB and
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* stops when there's one set bit remaining. Use to set the period.
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* New values take affect after reload.
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*/
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class Blinker {
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public:
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Blinker();
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/**
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* Update the pattern. Starts at next reload. Restarts on
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* hitting the highest set bit.
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*
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* Examples:
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* 0b101: on, off
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* 0b1000001: on, off for five
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* 0b1000101: on, off, on, off for three
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*/
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void set(uint8_t red, uint8_t green) {
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red_reload_ = red;
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green_reload_ = green;
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}
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/** Called on a periodic 100 ms timer. */
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void tick();
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private:
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void update(bool red_on, bool green_on);
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uint8_t red_;
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uint8_t red_reload_;
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uint8_t green_;
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uint8_t green_reload_;
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};
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