#include <modm/driver/gpio/mcp23_transport.hpp>

Inheritance diagram for modm::Mcp23TransportSpi< SpiMaster, Cs >:

Public Member Functions
	Mcp23TransportSpi (uint8_t address)

bool	ping ()
	pings the sensor

void	attachConfigurationHandler (Spi::ConfigurationHandler handler)

Protected Member Functions
bool	write (uint8_t reg, uint8_t value)
	write a 8bit value

bool	write16 (uint8_t reg, uint16_t value)
	write a 16bit value

bool	read (uint8_t reg, uint8_t &value)
	read a 8bit value

bool	read (uint8_t reg, uint8_t *buffer, uint8_t length)
	read multiple 8bit values from a start register

bool	acquireMaster ()

bool	releaseMaster ()

Detailed Description

MCP23xxx SPI Transport Layer.

This class manages communication with the gpio expcander via the SPI bus. The SPI interface can be clocked with up to 10MHz and requires Mode3.

Template Parameters

Cs	connected Chip Select Pin

The documentation for this class was generated from the following file:

Public Member Functions