led_strip.h

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/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_LED_STRIP_H_
#define ZEPHYR_INCLUDE_DRIVERS_LED_STRIP_H_
 
#include <zephyr/types.h>
#include <device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct led_rgb {
#ifdef CONFIG_LED_STRIP_RGB_SCRATCH
        /*
         * Pad/scratch space needed by some drivers. Users should
         * ignore.
         */
        uint8_t scratch;
#endif
        uint8_t r;
        uint8_t g;
        uint8_t b;
};
 
typedef int (*led_api_update_rgb)(const struct device *dev,
                                  struct led_rgb *pixels,
                                  size_t num_pixels);
 
typedef int (*led_api_update_channels)(const struct device *dev,
                                       uint8_t *channels,
                                       size_t num_channels);
 
struct led_strip_driver_api {
        led_api_update_rgb update_rgb;
        led_api_update_channels update_channels;
};
 
static inline int led_strip_update_rgb(const struct device *dev,
                                       struct led_rgb *pixels,
                                       size_t num_pixels) {
        const struct led_strip_driver_api *api =
                (const struct led_strip_driver_api *)dev->api;
 
        return api->update_rgb(dev, pixels, num_pixels);
}
 
static inline int led_strip_update_channels(const struct device *dev,
                                            uint8_t *channels,
                                            size_t num_channels) {
        const struct led_strip_driver_api *api =
                (const struct led_strip_driver_api *)dev->api;
 
        return api->update_channels(dev, channels, num_channels);
}
 
#ifdef __cplusplus
}
#endif
 
#endif  /* ZEPHYR_INCLUDE_DRIVERS_LED_STRIP_H_ */