rgbled.c
1.15 KB
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup drivers_rgbled
* @{
*
* @file
* @brief High-level driver for easy handling of RGB-LEDs
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include "rgbled.h"
/**
* @name Drive the RGB-LED by default with 500Hz
*/
#define PWM_FREQU (500)
/**
* @name Set the default resolution to 8-bit per color (for a 24-bit color space)
*/
#define PWM_RES (255)
void rgbled_init(rgbled_t *led, pwm_t pwm, int channel_r, int channel_g, int channel_b)
{
led->device = pwm;
led->channel_r = channel_r;
led->channel_g = channel_g;
led->channel_b = channel_b;
pwm_init(pwm, PWM_LEFT, PWM_FREQU, PWM_RES);
}
void rgbled_set(const rgbled_t *led, color_rgb_t *color)
{
pwm_set(led->device, led->channel_r, (unsigned int)color->r);
pwm_set(led->device, led->channel_g, (unsigned int)color->g);
pwm_set(led->device, led->channel_b, (unsigned int)color->b);
}