openedf.c File Reference

#include <assert.h>
#include <time.h>
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stddef.h>
#include <openedf.h>
#include <unistd.h>
#include <edfmacros.h>
#include <nsutil.h>

Go to the source code of this file.

Defines
#define	MAXERRORLEN   1024
Functions
void	setLastError (const char *fmt,...)
int	EDFUnpackInt (const char *inp, int fieldLen)
double	EDFUnpackDouble (const char *inp, int fieldLen)
const char *	EDFUnpackString (const char *inp, int fieldLen)
void	storeEDFString (char *packet, size_t memsize, const char *str)
void	storeEDFDouble (char *packet, size_t memsize, double d)
void	storeEDFInt (char *packet, size_t memsize, int i)
int	EDFEncodePacket (char *packet, const struct EDFDecodedConfig *cfg)
void	EDFDecodeChannelHeader (struct EDFDecodedChannelHeader *result, const char *packet, int whichChannel, int totalChannels)
void	EDFDecodeHeaderPreamble (struct EDFDecodedHeader *result, const char *packet)
int	readEDFString (struct EDFDecodedConfig *cfg, const char *buf, int len)
int	writeEDFString (const struct EDFDecodedConfig *cfg, char *buf, int *buflen)
int	writeEDF (int fd, const struct EDFDecodedConfig *cfg)
int	setEDFHeaderBytes (struct EDFDecodedConfig *cfg)
int	readEDF (int fd, struct EDFDecodedConfig *cfg)
double	getSecondsPerSample (const struct EDFDecodedConfig *cfg, int whichChan)
double	getSamplesPerSecond (const struct EDFDecodedConfig *cfg, int whichChan)
int	getDataRecordChunkSize (const struct EDFDecodedConfig *cfg)
EDFInputIterator *	newEDFInputIterator (const struct EDFDecodedConfig *cfg)
void	freeEDFInputIterator (struct EDFInputIterator *edfi)
int	stepEDFInputIterator (struct EDFInputIterator *edfi)
int	readDataRecord (const struct EDFInputIterator *edfi, FILE *fp)
int	fetchSamples (const struct EDFInputIterator *edfi, short *samples, FILE *fp)
int	isValidREDF (const struct EDFDecodedConfig *cfg)
const char *	getDMY (void)
const char *	getHMS (void)
int	makeREDFConfig (struct EDFDecodedConfig *result, const struct EDFDecodedConfig *source)
const char *	getLastError (void)

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Define Documentation

#define MAXERRORLEN   1024

Definition at line 38 of file openedf.c. Referenced by setLastError().

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Function Documentation

void EDFDecodeChannelHeader (  struct EDFDecodedChannelHeader *  result, const char *  packet, int  whichChannel, int  totalChannels )

Definition at line 116 of file openedf.c. References LOADCFD, LOADCFI, LOADCFS, and sampleCount. Referenced by readEDF(), and readEDFString().

void EDFDecodeHeaderPreamble (  struct EDFDecodedHeader *  result, const char *  packet )

Definition at line 131 of file openedf.c. References LOADHFD, LOADHFI, and LOADHFS. Referenced by readEDF(), and readEDFString().

int EDFEncodePacket (  char *  packet, const struct EDFDecodedConfig *  cfg )

Definition at line 86 of file openedf.c. References cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataFormat, EDFDecodedHeader::dataRecordChannels, EDFDecodedHeader::dataRecordCount, EDFDecodedHeader::dataRecordSeconds, EDFDecodedChannelHeader::digiMax, EDFDecodedChannelHeader::digiMin, EDFDecodedChannelHeader::dimUnit, EDFDecodedConfig::hdr, EDFDecodedHeader::headerRecordBytes, EDFDecodedChannelHeader::label, EDFDecodedHeader::localPatient, EDFDecodedHeader::localRecorder, EDFDecodedHeader::manufacturerID, EDFDecodedChannelHeader::physMax, EDFDecodedChannelHeader::physMin, EDFDecodedChannelHeader::prefiltering, EDFDecodedHeader::recordingStartDate, EDFDecodedHeader::recordingStartTime, EDFDecodedChannelHeader::reserved, sampleCount, EDFDecodedChannelHeader::sampleCount, STORECFD, STORECFI, STORECFS, STOREHFD, STOREHFI, STOREHFS, and EDFDecodedChannelHeader::transducer. Referenced by writeEDF(), and writeEDFString().

double EDFUnpackDouble (  const char *  inp, int  fieldLen )

Definition at line 49 of file openedf.c. References EDFUnpackString().

int EDFUnpackInt (  const char *  inp, int  fieldLen )

Definition at line 44 of file openedf.c. References EDFUnpackString().

const char* EDFUnpackString (  const char *  inp, int  fieldLen )

Definition at line 54 of file openedf.c. Referenced by EDFUnpackDouble(), and EDFUnpackInt().

int fetchSamples (  const struct EDFInputIterator *  edfi, short *  samples, FILE *  fp )

Definition at line 294 of file openedf.c. References BYTESPERSAMPLE, EDFInputIterator::cfg, EDFDecodedConfig::chan, EDFInputIterator::dataRecord, EDFDecodedHeader::dataRecordChannels, EDFDecodedConfig::hdr, readDataRecord(), sampleCount, EDFDecodedChannelHeader::sampleCount, EDFInputIterator::sampleNum, and samples. Referenced by main().

void freeEDFInputIterator (  struct EDFInputIterator *  edfi  )

Definition at line 261 of file openedf.c. References EDFInputIterator::dataRecord. Referenced by main().

int getDataRecordChunkSize (  const struct EDFDecodedConfig *  cfg  )

Definition at line 240 of file openedf.c. References BYTESPERSAMPLE, cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordChannels, EDFDecodedConfig::hdr, and EDFDecodedChannelHeader::sampleCount. Referenced by main(), newEDFInputIterator(), and readDataRecord().

const char* getDMY (  void   )

Definition at line 338 of file openedf.c. References buf. Referenced by main(), and makeREDFConfig().

const char* getHMS (  void   )

Definition at line 349 of file openedf.c. References buf. Referenced by main(), and makeREDFConfig().

const char* getLastError (  void   )

Definition at line 387 of file openedf.c.

double getSamplesPerSecond (  const struct EDFDecodedConfig *  cfg, int  whichChan )

Definition at line 235 of file openedf.c. References cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordSeconds, EDFDecodedConfig::hdr, and EDFDecodedChannelHeader::sampleCount. Referenced by main().

double getSecondsPerSample (  const struct EDFDecodedConfig *  cfg, int  whichChan )

Definition at line 230 of file openedf.c. References cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordSeconds, EDFDecodedConfig::hdr, and EDFDecodedChannelHeader::sampleCount.

int isValidREDF (  const struct EDFDecodedConfig *  cfg  )

Definition at line 312 of file openedf.c. References cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordChannels, EDFDecodedConfig::hdr, EDFDecodedChannelHeader::sampleCount, and setLastError(). Referenced by makeREDFConfig().

int makeREDFConfig (  struct EDFDecodedConfig *  result, const struct EDFDecodedConfig *  source )

Definition at line 367 of file openedf.c. References getDMY(), getHMS(), EDFDecodedConfig::hdr, isValidREDF(), EDFDecodedHeader::recordingStartDate, EDFDecodedHeader::recordingStartTime, and setEDFHeaderBytes(). Referenced by cmdSetHeader(), and main().

struct EDFInputIterator* newEDFInputIterator (  const struct EDFDecodedConfig *  cfg  )

Definition at line 248 of file openedf.c. References cfg, and getDataRecordChunkSize(). Referenced by main().

int readDataRecord (  const struct EDFInputIterator *  edfi, FILE *  fp )

Definition at line 279 of file openedf.c. References EDFInputIterator::cfg, EDFInputIterator::dataRecord, EDFInputIterator::dataRecordNum, getDataRecordChunkSize(), EDFDecodedConfig::hdr, and EDFDecodedHeader::headerRecordBytes. Referenced by fetchSamples().

int readEDF (  int  fd, struct EDFDecodedConfig *  cfg )

Definition at line 204 of file openedf.c. References cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordChannels, EDFDecodeChannelHeader(), EDFDecodeHeaderPreamble(), EDFDecodedConfig::hdr, EDFDecodedHeader::headerRecordBytes, MAXCHANNELS, and setEDFHeaderBytes(). Referenced by main().

int readEDFString (  struct EDFDecodedConfig *  cfg, const char *  buf, int  len )

Definition at line 145 of file openedf.c. References buf, cfg, EDFDecodedConfig::chan, EDFDecodedHeader::dataRecordChannels, EDFDecodeChannelHeader(), EDFDecodeHeaderPreamble(), EDFDecodedConfig::hdr, EDFDecodedHeader::headerRecordBytes, MAXCHANNELS, rprintf(), and setEDFHeaderBytes(). Referenced by cmdSetHeader(), and main().

int setEDFHeaderBytes (  struct EDFDecodedConfig *  cfg  )

Definition at line 198 of file openedf.c. References cfg, EDFDecodedHeader::dataRecordChannels, EDFDecodedConfig::hdr, and EDFDecodedHeader::headerRecordBytes. Referenced by main(), makeREDFConfig(), readEDF(), and readEDFString().

void setLastError (  const char *  fmt, ...  )

Definition at line 392 of file openedf.c. References MAXERRORLEN. Referenced by isValidREDF().

int stepEDFInputIterator (  struct EDFInputIterator *  edfi  )

Definition at line 268 of file openedf.c. References EDFInputIterator::cfg, EDFDecodedConfig::chan, EDFInputIterator::dataRecordNum, EDFDecodedChannelHeader::sampleCount, and EDFInputIterator::sampleNum. Referenced by main().

void storeEDFDouble (  char *  packet, size_t  memsize, double  d )

Definition at line 72 of file openedf.c. References buf, and storeEDFString().

void storeEDFInt (  char *  packet, size_t  memsize, int  i )

Definition at line 79 of file openedf.c. References buf, and storeEDFString().

void storeEDFString (  char *  packet, size_t  memsize, const char *  str )

Definition at line 62 of file openedf.c. References buf. Referenced by storeEDFDouble(), and storeEDFInt().

int writeEDF (  int  fd, const struct EDFDecodedConfig *  cfg )

Definition at line 184 of file openedf.c. References cfg, EDFEncodePacket(), EDFDecodedConfig::hdr, EDFDecodedHeader::headerRecordBytes, and MAXCHANNELS. Referenced by main().

int writeEDFString (  const struct EDFDecodedConfig *  cfg, char *  buf, int *  buflen )

Definition at line 167 of file openedf.c. References buf, cfg, EDFEncodePacket(), EDFDecodedConfig::hdr, EDFDecodedHeader::headerRecordBytes, and MAXCHANNELS. Referenced by cmdSetHeader(), and main().

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