osd-contiki/platform/zoul/dev/led-strip.h

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/*
* Copyright (c) 2015, Zolertia
* All rights reserved.
*
* 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 the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/* -------------------------------------------------------------------------- */
/**
* \addtogroup zoul-sensors
* @{
*
* \defgroup zoul-led-strip LED strip compatible with Zoul-based platforms
*
* Driver to control a bright LED strip powered at 3VDC, drawing power directly
* from the battery power supply. An example on how to adapt 12VDC LED strips
* to 3VDC is provided at http://www.hackster.io/zolertia
* @{
*
* \file
* Header file for a bright LED strip driver
*/
/* -------------------------------------------------------------------------- */
#ifndef LED_STRIP_H_
#define LED_STRIP_H_
/* -------------------------------------------------------------------------- */
#include <stdint.h>
/* -------------------------------------------------------------------------- */
#define LED_STRIP_OFF 0xFF
#define LED_STRIP_ON 0x00
#define LED_STRIP_ERROR -1
/* -------------------------------------------------------------------------- */
/**
* \brief Init function for the bright LED strip driver
*
* The LED strip driver allows to lighten up any application using up to 4
* LEDs 3VDC-powered per strip
* The function is set to power OFF the LEDs as default,
* it should be called from the contiki-main initialization process.
*
* \return ignored
*/
void led_strip_config(void);
/**
* \brief Function to turn ON/OFF the LED strip
*
* \param val Set ON/OFF (LED_STRIP_ON or LED_STRIP_OFF)
* \return the selected antenna position, or LED_STRIP_ERROR if not
* previously configured
*/
int led_strip_switch(uint8_t val);
/**
* \brief Function to get the LED strip current state
*
* \return Current LED strip state or LED_STRIP_ERROR if not
* previously configured
*/
int led_strip_get(void);
/* -------------------------------------------------------------------------- */
#endif /* ifndef LED_STRIP_H_ */
/* -------------------------------------------------------------------------- */
/**
* @}
* @}
*/