37 lines
778 B
C
37 lines
778 B
C
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#ifndef MORSE_H
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#define MORSE_H
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#include "gpio.h"
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#include "generator.h"
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#include "pwmclass.h"
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union morse_byte {
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struct {
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unsigned char bits : 5;
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unsigned char mlen : 3;
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};
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unsigned char byte;
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explicit constexpr morse_byte () noexcept : byte (0u) {}
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};
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class Morse {
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const unsigned unit;
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const GpioClass & led;
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Generator gen;
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PwmClass pwm;
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public:
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explicit Morse (const GpioClass & pin, const unsigned ms = 100u) noexcept;
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const Morse & operator<< (const char * text);
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protected:
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void out (const morse_byte mb);
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void on () {
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led << false; // LED je připojena proti VCC, zde se tedy rozsvítí
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gen.on ();
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}
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void off () {
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led << true;
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gen.off();
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}
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};
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#endif // MORSE_H
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