20 lines
409 B
C++
20 lines
409 B
C++
//
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// Created by kirillius on 25.09.2021.
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//
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#ifndef AVR_IOHELP_SPI_H
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#define AVR_IOHELP_SPI_H
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#include <avr/io.h>
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#define SPI(MOSI, MISO, SCK) do{DDRB = ((DDRB&~(1<<MISO))|(1<<MOSI)|(1<<SCK)); (SPCR |= (1<<SPE)|(1<<MSTR)); SPSR |= (1<<SPI2X);}while(0)
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namespace SPI{
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uint8_t transfer(uint8_t byte);
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void send(uint8_t byte);
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uint8_t receive();
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uint8_t data();
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}
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#endif //AVR_IOHELP_SPI_H
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