devices::mcp230xx Namespace Reference

Defines the API for MCP23008/MCP23017 chips support. More...

Classes
class	MCP23008
	I2C device driver for Microchip MCP23008 support. More...
class	MCP23017
	I2C device driver for Microchip MCP23017 support. More...

Enumerations
enum class	MCP23017Port : uint8_t {   PORT_A ,   PORT_B ,   PORT_AB }
	The port(s) to use in MCP23017 API. More...
enum class	InterruptPolarity : uint8_t {   ACTIVE_LOW = 0 ,   ACTIVE_HIGH = 1 }
	The polarity of the MCP23008/MCP23017 INT pins. More...

Detailed Description

Defines the API for MCP23008/MCP23017 chips support.

See also

devices::mcp230xx::MCP23008

devices::mcp230xx::MCP23017

Enumeration Type Documentation

MCP23017Port

enum class devices::mcp230xx::MCP23017Port : uint8_t

strong

The port(s) to use in MCP23017 API.

Most API are templates which argument selects which MCP23017 port the API shall apply to.

Enumerator
PORT_A	The A port of MCP23017. The API applies only on Port A.
PORT_B	The B port of MCP23017. The API applies only on Port B.
PORT_AB	Both A and B ports of MCP23017. The API applies to both ports at the same time. In this configuration, the API takes uint16_t type to pass or return values for both ports at once. Each uint16_t argument is broken down as follows: low byte maps to A port high byte maps to B port

Definition at line 36 of file mcp23017.h.

InterruptPolarity

enum class devices::mcp230xx::InterruptPolarity : uint8_t

strong

The polarity of the MCP23008/MCP23017 INT pins.

Enumerator
ACTIVE_LOW	The INT pins shall be active low, ie they are high by default, and changed to low when an interrupt is triggered.
ACTIVE_HIGH	The INT pins shall be active high, ie they are low by default, and changed to high when an interrupt is triggered.

Definition at line 43 of file mcp230xx.h.