readPort() [1/2]

uint8_t readPort ( int  port, uint8_t  hwAddr = 0  )

inline

Gets status of input pins of specified port.

Parameters

port	Port to get input pins (MCP_PORTA or MCP_PORTB)
hwAddr	Optional hardware device address

Returns

Input pins status mask (1 = high, 0 = low)

Example:

// read input pins of port A
uint8_t portA = io.readPort(MCP_PORTA);

Definition at line 386 of file MCP23S17.h.