streamer.cpp File Reference

example application streams data from dt100d port. More...

#include <popt.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <errno.h>
#include "local.h"
#include "acq2xx_api.h"
#include "acq_transport.h"
#include "AcqType.h"
#include "Frame.h"
#include "DataStreamer.h"
#include "DirfileFrameHandler.h"

Go to the source code of this file.

Data Structures
class	FrameTimer
Defines
#define	RETERR(cmd)
#define	US   1000000
Functions
int	main (int argc, const char **argv)
Variables
int	acq200_debug
int	timeout
char *	device
int	do_shell
static int	show_mean = 1
static int	format_hex
static int	show_tags
static char *	outbase
static int	time_frames

---

Detailed Description

example application streams data from dt100d port.

• program auto-detects card type:
• nchannels 32/64/96
• word_size 2/3/4
• lock-in or normal
• IF lock-in : reference selection

• default output option prints mean (64) value of each channel in columns.
• use cut to select channels of interest.
• it's trivial to collect an bunch of data to plot in a math tool like gnu-octave.
• for large volume data collection, use "-o dirfile" option.
  • DirFile is a simple binary file format
  • essentially a directory with a binary file per channel.
  • Format:http://getdata.sourceforge.net/dirfile.html
  • Plot:http://kst.kde.org/handbook/index.html

Usage: streamer [OPTION...]
  -f, --device=STRING
  -b, --board=STRING
  -v, --verbose=INT
  --version
  -T, --showtags
  -x, --showhex
  -n, --nomean
  -m, --mean
  -o dirfile : output in DirFile format (use kst to view)
  --time-frames

Help options:
  -?, --help              Show this help message
  --usage                 Display brief usage message

Example usage:
[peter API]$  ./x86/bin/streamer -T -f 192.168.1.216 | cut -f 1-8 | head -n 5
         0	           0	-17067	-18570	     0	     0	-17009	-18589
         1	           0	-22293	-24254	     0	    -1	-22217	-24279
         2	           0	-22290	-24256	     0	    -1	-22216	-24282
         3	           0	-22290	-24257	     0	    -1	-22216	-24282
         4	           0	-22291	-24255	     0	    -1	-22217	-24281

Definition in file streamer.cpp.

---

Define Documentation

#define RETERR

(

cmd

)

Value:

if (STATUS_ERR(rc = cmd)) {             \
        err("failed: \"%s\" code:%d", #cmd, rc);        \
        return rc;      \
}

Definition at line 87 of file streamer.cpp.

#define US   1000000

Definition at line 101 of file streamer.cpp.

---

Function Documentation

int main	(	int	argc,
		const char **	argv
	)

Definition at line 153 of file streamer.cpp.

References acq200_debug, DataStreamer::addFrameHandler(), DirfileFrameHandler::create(), DataStreamer::create(), DataStreamer::createMeanHandler(), DataStreamer::createNewlineHandler(), DataStreamer::createTagHandler(), device, format_hex, AcqType::getAcqType(), Transport::getTransport(), opt_context, outbase, show_mean, show_tags, DataStreamer::streamData(), and time_frames.

---

Variable Documentation

int acq200_debug

Definition at line 82 of file streamer.cpp.

char* device

Definition at line 84 of file streamer.cpp.

int do_shell

Definition at line 85 of file streamer.cpp.

int format_hex [static]

Definition at line 95 of file streamer.cpp.

Referenced by DataStreamer::createMeanHandler(), and main().

char* outbase [static]

Definition at line 97 of file streamer.cpp.

Referenced by DirfileFrameHandler::create(), and main().

int show_mean = 1 [static]

Definition at line 94 of file streamer.cpp.

Referenced by main().

int show_tags [static]

Definition at line 96 of file streamer.cpp.

Referenced by main().

int time_frames [static]

Definition at line 99 of file streamer.cpp.

Referenced by main().

int timeout

Definition at line 83 of file streamer.cpp.