// 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
