gpio-ext-pcal9535a.h File Reference

Driver for I2C-based IO expander type NXP PCAL9535A. More...

#include <stdbool.h>
#include <string.h>
#include "gpio-ext.h"

Include dependency graph for gpio-ext-pcal9535a.h:

Go to the source code of this file.

Data Structures
struct	gpio_ext_pcal_state_t
struct	gpio_ext_pcal_t

Functions
Functions called from application programs
uint16_t	ReadPcal (const struct gpio_ext_t *GpioExt, uint8_t Address)
void	WritePcal (const struct gpio_ext_t *GpioExt, uint8_t Address, uint16_t Data)
static void	GpioExtInitPcal (const struct gpio_ext_t *GpioExt)
	Initialize I2C-based IO expander type NXP PCAL9535A. More...
static void	GpioExtDisablePcal (const struct gpio_ext_t *GpioExt)
	De-initialize I2C-based IO expander type NXP PCAL9535A. More...
static uint16_t	GpioExtInPortPcal (const struct gpio_ext_t *GpioExt)
	Name: GpioExtInPortPcal Read 16-bits data from GPIO port. More...
static void	GpioExtOutPortPcal (const struct gpio_ext_t *GpioExt, uint16_t Data)
	Name: GpioExtOutPortPcal Write 16-bits data to GPIO port. More...
static void	GpioExtSetDirectionPcal (const struct gpio_ext_t *GpioExt, uint16_t Direction)
	Set pins direction to GPIO port. More...
static void	GpioExtSetPullSelectPcal (const struct gpio_ext_t *GpioExt, uint16_t PullSelect)
	Select pullup or pulldown for GPIO port. More...
static void	GpioExtSetPullEnablePcal (const struct gpio_ext_t *GpioExt, uint16_t PullEnable)
	Enable pullup/pulldown to GPIO port. More...
static void	GpioExtSetInterruptsPcal (const struct gpio_ext_t *GpioExt, uint16_t Mask)
static void	GpioExtSetLatchPcal (const struct gpio_ext_t *GpioExt, uint16_t Mask)
void	GpioExtSetDrivePcal (const struct gpio_ext_t *GpioExt, uint8_t Values[])

Variables
const struct gpio_ext_api_t	GpioPcalFunc

Detailed Description

Driver for I2C-based IO expander type NXP PCAL9535A.

Author

KLO, Jetro AS

Definition in file gpio-ext-pcal9535a.h.