zephyr/drivers/pwm/pwm-pca9685.h

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/*
* Copyright (c) 2015 Intel Corporation.
*
* 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.
*
* 3) Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 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 HOLDER 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.
*/
/**
* @file Header file for the PCA9685 PWM driver.
*/
#ifndef __PWM_PCA9685_H__
#define __PWM_PCA9685_H__
#include <gpio.h>
#include <i2c.h>
/**
* @brief Initialization function for PCA9685
*
* @param dev Device struct
* @return DEV_OK if successful, failed otherwise
*/
extern int pwm_pca9685_init(struct device *dev);
/** Configuration data */
struct pwm_pca9685_config {
/** The master I2C device's name */
const char * const i2c_master_dev_name;
/** The slave address of the chip */
uint16_t i2c_slave_addr;
};
/** Runtime driver data */
struct pwm_pca9685_drv_data {
/** Master I2C device */
struct device *i2c_master;
};
#endif /* __PWM_PCA9685_H__ */