/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief GPIO NXP PCA9535 Driver API
*
* @ingroup I2CGPIONXPPCA9535
*/
/*
* Copyright (c) 2014 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_I2C_GPIO_NXP_PCA9539_H
#define _DEV_I2C_GPIO_NXP_PCA9539_H
#include <dev/i2c/i2c.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup I2CGPIONXPPCA9535 GPIO NXP PCA9535 Driver
*
* @ingroup I2CDevice
*
* @brief Driver for NXP PCA9535 16-bit GPIO device.
*
* @{
*/
int i2c_dev_register_gpio_nxp_pca9535(
const char *bus_path,
const char *dev_path,
uint16_t address
);
#define GPIO_NXP_PCA9535_GET_INPUT (I2C_DEV_IO_CONTROL + 0)
#define GPIO_NXP_PCA9535_GET_OUTPUT (I2C_DEV_IO_CONTROL + 1)
#define GPIO_NXP_PCA9535_SET_OUTPUT (I2C_DEV_IO_CONTROL + 2)
#define GPIO_NXP_PCA9535_CLEAR_AND_SET_OUTPUT (I2C_DEV_IO_CONTROL + 3)
#define GPIO_NXP_PCA9535_GET_POL_INV (I2C_DEV_IO_CONTROL + 4)
#define GPIO_NXP_PCA9535_SET_POL_INV (I2C_DEV_IO_CONTROL + 5)
#define GPIO_NXP_PCA9535_GET_CONFIG (I2C_DEV_IO_CONTROL + 6)
#define GPIO_NXP_PCA9535_SET_CONFIG (I2C_DEV_IO_CONTROL + 7)
static inline int gpio_nxp_pca9535_get_input(int fd, uint16_t *val)
{
return ioctl(fd, GPIO_NXP_PCA9535_GET_INPUT, val);
}
static inline int gpio_nxp_pca9535_get_output(int fd, uint16_t *val)
{
return ioctl(fd, GPIO_NXP_PCA9535_GET_OUTPUT, val);
}
static inline int gpio_nxp_pca9535_set_output(int fd, uint16_t val)
{
return ioctl(fd, GPIO_NXP_PCA9535_SET_OUTPUT, (void *)(uintptr_t) val);
}
static inline int gpio_nxp_pca9535_clear_and_set_output(
int fd,
uint16_t clear,
uint16_t set
)
{
uint32_t clear_and_set = ((uint32_t) set << 16) | (uint32_t) clear;
return ioctl(
fd,
GPIO_NXP_PCA9535_CLEAR_AND_SET_OUTPUT,
(void *)(uintptr_t) clear_and_set
);
}
static inline int gpio_nxp_pca9535_get_polarity_inversion(
int fd,
uint16_t *val
)
{
return ioctl(fd, GPIO_NXP_PCA9535_GET_POL_INV, val);
}
static inline int gpio_nxp_pca9535_set_polarity_inversion(int fd, uint16_t val)
{
return ioctl(fd, GPIO_NXP_PCA9535_SET_POL_INV, (void *)(uintptr_t) val);
}
static inline int gpio_nxp_pca9535_get_config(int fd, uint16_t *val)
{
return ioctl(fd, GPIO_NXP_PCA9535_GET_CONFIG, val);
}
static inline int gpio_nxp_pca9535_set_config(int fd, uint16_t val)
{
return ioctl(fd, GPIO_NXP_PCA9535_SET_CONFIG, (void *)(uintptr_t) val);
}
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _DEV_I2C_GPIO_NXP_PCA9539_H */