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#define	INTCAP	0x08	// GPIO value at interrupt (RO)
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#define	INTCAP	0x08	// GPIO value at interrupt (RO)
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#define	GPIO	0x09	// Read value of pins
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#define	GPIO	0x09	// Read value of pins
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#define OLAT	0x0a	// Latch pins (write)
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#define OLAT	0x0a	// Latch pins (write)
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void mio_init() {
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void mio_init() {
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  mio.i2c_addr = 0x20;
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  mio_init_addr(0x20);
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}
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}
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void mio_init_addr(uint8_t i2c_addr) {
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void mio_init_addr(uint8_t i2c_addr) {
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  mio.i2c_addr = i2c_addr;
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  mio.i2c_addr = i2c_addr;
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  i2c_beginTransmission(mio.i2c_addr);
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  i2c_writeByte(IODIR);		// Start at 0x00
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  i2c_writeByte(0xFF);		// Set IODIR to all inputs
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  i2c_writeByte(0x00);		// Everything else default 0x00
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_writeByte(0x00);
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  i2c_endTransmission(1);
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}
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}
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inline uint8_t mio_readPin(uint8_t pin) {
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inline uint8_t mio_readPin(uint8_t pin) {
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    return rbi(mio_read(), pin);
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    return rbi(mio_read(), pin);
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}
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}