/*
 * c't-Sim - Robotersimulator fuer den c't-Bot
 * 
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your
 * option) any later version. 
 * This program is distributed in the hope that it will be 
 * useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
 * PURPOSE. See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public 
 * License along with this program; if not, write to the Free 
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307, USA.
 * 
 */

/*! @file 	led.h 
 * @brief 	Routinen zur LED-Steuerung
 * @author 	Benjamin Benz (bbe@heise.de)
 * @date 	26.12.05
*/

#ifndef led_H_
#define led_H_

#include "ct-Bot.h"

#define LED_RECHTS	(1<<0)		/*!< LED in Fahrichtung rechts*/
#define LED_LINKS	(1<<1)		/*!< LED in Fahrichtung links*/
#define LED_ROT     (1<<2)		/*!< LED Rot */
#define LED_ORANGE  (1<<3)		/*!< LED Orange */
#define LED_GELB    (1<<4)		/*!< LED Gelb */
#define LED_GRUEN   (1<<5)		/*!< LED Gruen */
#define LED_TUERKIS (1<<6)		/*!< LED Tuerkis */
#define LED_WEISS   (1<<7)		/*!< LED Weiss */

#define LED_ALL    0xFF		/*!< LED Alle */

/*! Datenfeld fuer den Zugriff auf die LEDs */
typedef struct {
   uint8 rechts:1;		/*!< LED in Fahrichtung rechts*/
   uint8 links:1; 		/*!< LED in Fahrichtung links*/
 
   uint8 rot:1;   		/*!< LED Rot */
   uint8 orange:1;   	/*!< LED Orange */
 
   uint8 gelb:1;   	/*!< LED Gelb */
   uint8 gruen:1;  	/*!< LED Gruen */
    
   uint8 tuerkis:1;   	/*!< LED Tuerkis */
   uint8 weiss:1;   	/*!< LED Weiss */
#ifndef DOXYGEN
	} __attribute__ ((packed)) led_t;
#else
	} led_t;
#endif

extern uint8 led;

/*!
 * Initialisiert die LEDs
 */
void LED_init(void);

/*!
 * Zeigt eine 8-Bit Variable mit den LEDs an
 * @param LED Wert der gezeigt werden soll
 */
void LED_set(uint8 LED);

/*! Schaltet eine LED aus
 * 
 * @param LED HEX-Code der LED
 */
void LED_off(uint8 LED);

/*! Schaltet eine LED an
 * 
 * @param LED HEX-Code der LED
 */
void LED_on(uint8 LED);

#endif