/usr/include/lirc/receive.h is in liblirc-dev 0.10.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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** receive.h ***************************************************************
****************************************************************************
*
* functions that decode IR codes
*
* Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
*
*/
/**
* @file receive.h
* @author Christoph Bartelmus
* @brief Functions that decode IR codes.
* @ingroup driver_api
*/
#ifndef _RECEIVE_H
#define _RECEIVE_H
#include <stdint.h>
#include "ir_remote.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup driver_api
* @{
*/
/** Min value returned by receive_timeout. */
#define MIN_RECEIVE_TIMEOUT 100000
/**
* Set update mode, where recorded pre_data is verified to match
* the template pre_data. By defaulöt false.
*/
void rec_set_update_mode(int mode);
/**
* Set a file logging input from driver in same format as mode2(1).
* @param f Open file to write on or NULL to disable logging.
*/
void rec_buffer_set_logfile(FILE* f);
/** Return actual timeout to use given MIN_RECEIVE_TIMEOUT limitation. */
static inline lirc_t receive_timeout(lirc_t usec)
{
return 2 * usec < MIN_RECEIVE_TIMEOUT ? MIN_RECEIVE_TIMEOUT : 2 * usec;
}
/**
* If set_waitfordata(func) is called, invoke and return function set this
* way. Otherwise wait until data is available in drv.fd, timeout or a
* signal is raised.
*
* @param maxusec timeout in micro seconds, given to poll(2). If <= 0, the
* function will block indefinitely until data is available or a
* signal is processed. If positive, a timeout value in microseconds.
* @return True (1) if there is data available in drv.fd, else 0 indicating
* timeout.
*/
int waitfordata(uint32_t maxusec);
/** Set the function used by waitfordata(). */
void set_waitfordata_func(int (*func)(uint32_t maxusec));
/** Clear internal buffer to pristine state. */
void rec_buffer_init(void);
/**
* Flush the internal fifo and store a single code read
* from the driver in it.
*/
int rec_buffer_clear(void);
/**
* Decode data from remote
*
* @param ctx Undefined on enter. On exit, the fields in the
* structure are defined.
*/
int receive_decode(struct ir_remote* remote, struct decode_ctx_t* ctx);
/**
* Reset the modules's internal fifo's read state to initial values
* where the nothing is read. The write pointer is not affected.
*/
void rec_buffer_rewind(void);
/** Reset internal fifo's write pointer. */
void rec_buffer_reset_wptr(void);
/** @} */
#ifdef __cplusplus
}
#endif
#endif
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