channelize.196.c File Reference

takes a block of data and dechannelize to logical channels. More...

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

Go to the source code of this file.

Defines
#define	SSZ   (sizeof(short))
#define	INPUT   fd_in
#define	OUTPUT   fd_out
Functions
int	acq200_lookup_pchan (int lchannel)
int	acq200_lookup_lchan (int pchan)
static void	open_files (const char *fname_in)
static int	load (short *input, int ndata)
static void	channelize (short *output, short *input, int nchan, int nsamples)
static void	store (short *output, int ndata)
int	main (int argc, char *argv[])
Variables
int	fd_in
FILE *	fd_out

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Detailed Description

takes a block of data and dechannelize to logical channels.

usage: channelize.196 [nchan]

Definition in file channelize.196.c.

---

Define Documentation

#define INPUT   fd_in

Definition at line 23 of file channelize.196.c.

Referenced by load().

#define OUTPUT   fd_out

Definition at line 24 of file channelize.196.c.

Referenced by store().

#define SSZ   (sizeof(short))

Definition at line 18 of file channelize.196.c.

Referenced by load(), main(), and store().

---

Function Documentation

int acq200_lookup_lchan

(

int

pchan

)

Definition at line 75 of file channelize.196.c.

Referenced by channelize().

int acq200_lookup_pchan

(

int

lchannel

)

Definition at line 26 of file channelize.196.c.

static void channelize	(	short *	output,
		short *	input,
		int	nchan,
		int	nsamples
	)			[static]

Definition at line 155 of file channelize.196.c.

References acq200_lookup_lchan().

Referenced by main().

static int load	(	short *	input,
		int	ndata
	)			[static]

Definition at line 136 of file channelize.196.c.

References INPUT, and SSZ.

Referenced by main().

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 179 of file channelize.196.c.

References channelize(), load(), open_files(), SSZ, and store().

static void open_files

(

const char *

fname_in

)

[static]

Definition at line 124 of file channelize.196.c.

References fd_in, and fd_out.

Referenced by main().

static void store	(	short *	output,
		int	ndata
	)			[static]

Definition at line 172 of file channelize.196.c.

References OUTPUT, and SSZ.

Referenced by main().

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Variable Documentation

int fd_in

Definition at line 20 of file channelize.196.c.

Referenced by mmapBigBuffer(), mmapDmaBuffer(), and open_files().

FILE* fd_out

Definition at line 21 of file channelize.196.c.

Referenced by doDmaBufDataOutput(), doWorkBufDataOutput(), make_output_file(), and open_files().