mirror of https://github.com/arendst/Tasmota.git
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
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/**
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* @file spi.h
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* Class declaration for SPI helper files
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*/
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#ifndef SPI_H
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#define SPI_H
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/**
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* Example of spi.h class declaration for SPI portability
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*
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* @defgroup Porting_SPI Porting: SPI
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*
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* @{
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*/
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#include <stdio.h>
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#include <inttypes.h>
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using namespace std;
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class SPI {
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public:
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/**
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* SPI default constructor
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*/
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SPI();
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/**
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* Start SPI communication
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* @param pin used for SPI
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*/
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void begin(int);
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/**
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* Transfer a single byte of data
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* @param tx Byte to send
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* @return Data returned via spi
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*/
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uint8_t transfer(uint8_t);
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/**
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* Transfer a buffer of data using rx and tx buffer
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* @param tbuf Transmit buffer
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* @param rbuf Receive buffer
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* @param len Length of the data
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*/
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void transfernb(char*, char*, uint32_t);
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/**
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* Transfer a buffer of data without using an rx buffer
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* @param buf Pointer to a buffer of data
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* @param len Length of the data
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*/
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void transfern(char*, const uint32_t);
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/**
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* SPI destructor
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*/
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virtual ~SPI();
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private:
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int fd;
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uint8_t msg[32 + 1];
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uint8_t msgByte;
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};
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/*@}*/
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#endif /* SPI_H */
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