#include <mcp230xx.h>

Data Fields
GPIO_DEVICE	gpio
I2C_DEVICE *	i2c
	The I2C device this GPIO is connected to.
uint16_t	address
	The I2C address of the device.
uint32_t	chip
	The chip type (eg MCP230XX_CHIP_MCP23008).
uint32_t	size
	Size of an I2C read/write for the device.
uint8_t	gpioreg
	GPIO port register for the device.
uint8_t	gppureg
	GPPU pull up resistor register for the device.
uint8_t	iodirreg
	IODIR I/O direction register for the device.
uint8_t	gpiovalues [MCP230XX_I2C_MAX_SIZE]
	Buffer for GPIO port values (Output only).
uint8_t	gppuvalues [MCP230XX_I2C_MAX_SIZE]
	Buffer for GPPU pull up values.
uint8_t	iodirvalues [MCP230XX_I2C_MAX_SIZE]
	Buffer for IODIR I/O direction values.

Field Documentation

◆ gpio

GPIO_DEVICE gpio

◆ i2c

I2C_DEVICE* i2c

The I2C device this GPIO is connected to.

◆ address

uint16_t address

The I2C address of the device.

◆ chip

uint32_t chip

The chip type (eg MCP230XX_CHIP_MCP23008).

◆ size

uint32_t size

Size of an I2C read/write for the device.

◆ gpioreg

uint8_t gpioreg

GPIO port register for the device.

◆ gppureg

uint8_t gppureg

GPPU pull up resistor register for the device.

◆ iodirreg

uint8_t iodirreg

IODIR I/O direction register for the device.

◆ gpiovalues

uint8_t gpiovalues[MCP230XX_I2C_MAX_SIZE]

Buffer for GPIO port values (Output only).

◆ gppuvalues

uint8_t gppuvalues[MCP230XX_I2C_MAX_SIZE]

Buffer for GPPU pull up values.

◆ iodirvalues

uint8_t iodirvalues[MCP230XX_I2C_MAX_SIZE]

Buffer for IODIR I/O direction values.

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

ultibo/drivers/mcp230xx.h

Data Fields