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