21 lines
501 B
C++
21 lines
501 B
C++
#ifndef USART_H
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#define USART_H
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#include "fifo.h"
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#include "baselayer.h"
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/** @class Usart
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* @brief Sériový port.
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*
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* Zde RS485, jen výstup.
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*/
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class Usart : public BaseLayer {
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FIFO<char, 64> tx_ring;
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public:
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explicit Usart (const uint32_t baud = 9600) noexcept;
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uint32_t Down (const char * data, const uint32_t len) override;
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void SetRS485 (const bool polarity) const;
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void irq (void);
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void SetHalfDuplex (const bool on) const;
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};
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#endif // USART_H
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