2.3-InternetRadio/nutos/nut/include/dev/irblast.h

/*
 * Copyright (C) 2007 by Przemyslaw Rudy. 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 copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
 * COPYRIGHT OWNER 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.
 *
 */

/*
 * $Log$
 * Revision 1.2  2008/08/11 06:59:59  haraldkipp
 * BSD types replaced by stdint types (feature request #1282721).
 *
 * Revision 1.1  2007/05/24 07:42:42  haraldkipp
 * New driver from Przemyslaw Rudy sends modulated infrared remote control
 * codes using a simple IR LED. Cool.
 *
 */

#ifndef _IRBLAST_H_
#define _IRBLAST_H_

#include <stdint.h>

/* IOCTL commands */
#define IRBLAST_SETFREQ  0x0A01   /*!< \brief Set carrier freq */
#define IRBLAST_GETFREQ  0x0A02   /*!< \brief Query carrier freq */

extern NUTDEVICE devIrblast0;

uint8_t IrblastFreq2Ocr(uint8_t freqKHz);
int IrblastPeriod2Ocr(uint8_t freqKHz, int entries, uint16_t *pCode);

#endif   /* _IRBLAST_H_ */