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// Software SPI
#ifndef SWSPI_H
#define SWSPI_H
//initialize gpio
extern void swspi_init(unsigned char miso, unsigned char mosi, unsigned char sck, unsigned char cfg);
//transmit and receive (full duplex mode)
extern unsigned char swspi_txrx(unsigned char tx);
//transmit (half dublex mode, miso == mosi)
extern void swspi_tx(unsigned char tx);
//receive (half dublex mode, miso == mosi)
extern unsigned char swspi_rx();
#endif //SWSPI_H
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