zephyr/drivers/pwm/pwm_pca9685.h

51 lines
1.3 KiB
C

/*
* Copyright (c) 2015 Intel Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @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__ */