writePort() [2/2]

void writePort	(	int	port,
		void const *	buffer,
		size_t	length,
		uint8_t	hwAddr = 0
	)

High speed writes an entire buffer to a specific port.

Parameters

port	Destination port (MCP_PORTA or MCP_PORTB)
buffer	Pointer to the source buffer
length	Buffer length (max 4092 bytes)
hwAddr	Optional hardware device address

Example:

// sends the content of "buf" (256 bytes) to port A
io.writePort(MCP_PORTA, buf, 256);

Definition at line 312 of file MCP23S17.cpp.