transmit.h

来自「很少见的linux下的红外口的工具」· C头文件 代码 · 共 50 行

/*      $Id: transmit.h,v 5.4 2001/08/25 16:17:44 lirc Exp $      */

/****************************************************************************
 ** transmit.h **************************************************************
 ****************************************************************************
 *
 * functions that prepare IR codes for transmitting
 * 
 * Copyright (C) 1999 Christoph Bartelmus <[e-mail]>
 *
 */

#ifndef _TRANSMIT_H
#define _TRANSMIT_H

#include "ir_remote.h"

#define WBUF_SIZE (256)

struct sbuf
{
	lirc_t data[WBUF_SIZE];
	int wptr;
	int too_long;
	int is_biphase;
	lirc_t pendingp;
	lirc_t pendings;
	lirc_t sum;
};

static inline lirc_t time_left(struct timeval *current,struct timeval *last,
			lirc_t gap)
{
	unsigned long secs,diff;
	
	secs=current->tv_sec-last->tv_sec;
	
	diff=1000000*secs+current->tv_usec-last->tv_usec;
	
	return((lirc_t) (diff<gap ? gap-diff:0));
}

void init_send_buffer(void);
inline void set_bit(ir_code *code,int bit,int data);
int init_send(struct ir_remote *remote,struct ir_ncode *code);

extern struct sbuf send_buffer;

#endif