This file contains API for Expand 16 Click Driver. More...

#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_i2c_master.h"

Data Structures
struct	expand16_t
	Expand 16 Click context object. More...

struct	expand16_cfg_t
	Expand 16 Click configuration object. More...

Macros
#define	EXPAND16_REG_DEV_ID_AND_CTRL 0x01
	Expand 16 description register.

#define	EXPAND16_REG_IO_DIRECTION 0x03

#define	EXPAND16_REG_OUTPUT_STATE 0x05

#define	EXPAND16_REG_OUTPUT_HIGH_Z 0x07

#define	EXPAND16_REG_INPUT_DEF_STATE 0x09

#define	EXPAND16_REG_PULL_ENABLE 0x0B

#define	EXPAND16_REG_PULL_DOWN_UP 0x0D

#define	EXPAND16_REG_INPUT_STATE 0x0F

#define	EXPAND16_REG_INTERRUPT_MASK 0x11

#define	EXPAND16_REG_INTERRUPT_STATUS 0x13

#define	EXPAND16_PIN_MASK_NONE 0x00
	Expand 16 description setting.

#define	EXPAND16_PIN_MASK_GPIO_0 0x01

#define	EXPAND16_PIN_MASK_GPIO_1 0x02

#define	EXPAND16_PIN_MASK_GPIO_2 0x04

#define	EXPAND16_PIN_MASK_GPIO_3 0x08

#define	EXPAND16_PIN_MASK_GPIO_4 0x10

#define	EXPAND16_PIN_MASK_GPIO_5 0x20

#define	EXPAND16_PIN_MASK_GPIO_6 0x40

#define	EXPAND16_PIN_MASK_GPIO_7 0x80

#define	EXPAND16_PIN_MASK_ALL 0xFF

#define	EXPAND16_SW_RESET_CMD 0x01
	Expand 16 software reset command.

#define	EXPAND16_DEVICE_ID 0xA0
	Expand 16 device ID.

#define	EXPAND16_DEVICE_ID_MASK 0xE0

#define	EXPAND16_PIN_STATE_HIGH 0x01
	Expand 16 pin state setting.

#define	EXPAND16_PIN_STATE_LOW 0x00

#define	EXPAND16_DEVICE_ADDRESS_GND 0x43
	Expand 16 device address setting.

#define	EXPAND16_DEVICE_ADDRESS_VCC 0x44

#define	EXPAND16_MAP_MIKROBUS(cfg, mikrobus)
	MikroBUS pin mapping.

Enumerations
enum	expand16_return_value_t { EXPAND16_OK = 0 , EXPAND16_ERROR = -1 }
	Expand 16 Click return value data. More...

Functions
void	expand16_cfg_setup (expand16_cfg_t *cfg)
	Expand 16 configuration object setup function.

err_t	expand16_init (expand16_t ctx, expand16_cfg_t cfg)
	Expand 16 initialization function.

err_t	expand16_default_cfg (expand16_t *ctx)
	Expand 16 default configuration function.

err_t	expand16_generic_write (expand16_t ctx, uint8_t reg, uint8_t data_in, uint8_t len)
	Expand 16 I2C writing function.

err_t	expand16_generic_read (expand16_t ctx, uint8_t reg, uint8_t data_out, uint8_t len)
	Expand 16 I2C reading function.

void	expand16_set_rst_pin (expand16_t *ctx, uint8_t pin_state)
	Expand 16 set RST pin state function.

void	expand16_hw_reset (expand16_t *ctx)
	Expand 16 Hardware reset function.

uint8_t	expand16_get_int_pin (expand16_t *ctx)
	Expand 16 get INT pin function.

err_t	expand16_write_reg (expand16_t *ctx, uint8_t reg, uint8_t data_in)
	Expand 16 register write function.

err_t	expand16_read_reg (expand16_t ctx, uint8_t reg, uint8_t data_out)
	Expand 16 register read function.

err_t	expand16_set_io_dir (expand16_t *ctx, uint8_t input_pins, uint8_t output_pins)
	Expand 16 set pin input or output direction function.

err_t	expand16_set_output_state (expand16_t *ctx, uint8_t clr_mask, uint8_t set_mask)
	Expand 16 set output pins state function.

Detailed Description

This file contains API for Expand 16 Click Driver.

Enumeration Type Documentation

Expand 16 Click return value data.

Predefined enum values for driver return values.

Enumerator
EXPAND16_OK
EXPAND16_ERROR