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initial support for writing a set of calibrations to a text file

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This commit is contained in:
Frank Mori Hess 2003-02-02 01:56:05 +00:00
parent 1974104db9
commit a59ba8a07c
4 changed files with 142 additions and 5 deletions
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4
comedi_calibrate/Makefile
View file

@ -2,12 +2,12 @@
include ../Config
CFLAGS += -I../include
CFLAGS += -I../include
LDFLAGS += -L../lib/ -lcomedi -lm
BINS = comedi_calibrate
objs = comedi_calibrate.o ni.o cb.o other.o
objs = comedi_calibrate.o ni.o cb.o other.o save_cal.o
all: $(BINS)

4
comedi_calibrate/calib.h
View file

@ -30,7 +30,7 @@ typedef struct{
int type;
double gain;
}caldac;
}caldac_t;
typedef struct{
char *name;
@ -57,7 +57,7 @@ struct calibration_setup_struct {
unsigned int settling_time_ns;
observable observables[ N_OBSERVABLES ];
unsigned int n_observables;
caldac caldacs[ N_CALDACS ];
caldac_t caldacs[ N_CALDACS ];
unsigned int n_caldacs;
int (*do_cal) ( calibration_setup_t *setup );
};

2
comedi_calibrate/comedi_calibrate.c
View file

@ -661,7 +661,7 @@ void reset_caldacs( calibration_setup_t *setup )
void update_caldac( calibration_setup_t *setup, unsigned int caldac_index )
{
int ret;
caldac *dac = &setup->caldacs[ caldac_index ];
caldac_t *dac = &setup->caldacs[ caldac_index ];
if( caldac_index > setup->n_caldacs )
{

137
comedi_calibrate/save_cal.c Normal file
View file

@ -0,0 +1,137 @@
/*
comedi_calibrate/save_cal.c - stuff for saving calibration info to
a file.
Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
license, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <comedilib.h>
#include "calib.h"
#define CAL_MAX_CHANNELS_LENGTH 1024
#define CAL_MAX_RANGES_LENGTH 128
#define CAL_MAX_AREFS_LENGTH 16
struct calibration_setting
{
unsigned int subdevice;
caldac_t caldacs[ N_CALDACS ];
unsigned int caldacs_length;
int channels[ CAL_MAX_CHANNELS_LENGTH ]; /* channels that caldac settings are restricted to */
unsigned int channels_length; /* number of elements in channels array, 0 means allow all channels */
int ranges[ CAL_MAX_RANGES_LENGTH ]; /* ranges that caldac settings are restricted to */
unsigned int ranges_length;/* number of elements in ranges array, 0 means allow all ranges */
int arefs[ CAL_MAX_AREFS_LENGTH ]; /* arefs that caldac settings are used restricted to */
unsigned int arefs_length; /* number of elements in arefs array, 0 means allow any aref */
};
int get_inode( comedi_t *dev, ino_t *inode )
{
struct stat file_stats;
int retval;
retval = fstat( comedi_fileno( dev ), &file_stats );
if( retval < 0 )
return -1;
*inode = file_stats.st_ino;
return 0;
}
void write_caldac( FILE *file, caldac_t caldac )
{
static const char *indent = "\t\t\t\t";
fprintf( file, "%s", indent );
fprintf( file, "{\n" );
fprintf( file, "%s", indent );
fprintf( file, "\tsubdevice => %i,\n", caldac.subdev );
fprintf( file, "%s", indent );
fprintf( file, "\tchannel => %i,\n", caldac.chan );
fprintf( file, "%s", indent );
fprintf( file, "\tvalue => %i,\n", caldac.current );
fprintf( file, "%s", indent );
fprintf( file, "}" );
}
void write_calibration_setting( FILE *file, struct calibration_setting setting )
{
static const char *indent = "\t\t";
int i;
fprintf( file, "%s", indent );
fprintf( file, "{\n" );
fprintf( file, "%s", indent );
fprintf( file, "\tchannels => [" );
for( i = 0; i < setting.channels_length; i++ )
fprintf( file, "%i,", setting.channels[ i ] );
fprintf( file, "],\n" );
fprintf( file, "%s", indent );
fprintf( file, "\tranges => [" );
for( i = 0; i < setting.ranges_length; i++ )
fprintf( file, "%i,", setting.ranges[ i ] );
fprintf( file, "],\n" );
fprintf( file, "%s", indent );
fprintf( file, "\tarefs => [" );
for( i = 0; i < setting.arefs_length; i++ )
fprintf( file, "%i,", setting.arefs[ i ] );
fprintf( file, "],\n" );
fprintf( file, "%s", indent );
fprintf( file, "\tcaldacs => [\n" );
for( i = 0; i < setting.caldacs_length; i++ )
{
write_caldac( file, setting.caldacs[ i ] );
fprintf( file, ",\n" );
}
fprintf( file, "%s", indent );
fprintf( file, "\t],\n" );
fprintf( file, "%s", indent );
fprintf( file, "}" );
}
int write_calibration_file( FILE *file, comedi_t *dev,
struct calibration_setting settings[], unsigned int num_settings )
{
ino_t inode;
int retval;
int i;
retval = get_inode( dev, &inode );
if( retval < 0 ) return retval;
fprintf( file, "{\n" );
fprintf( file, "\tboard_name => \"%s\",\n", comedi_get_board_name( dev ) );
fprintf( file, "\tcalibrations => [\n" );
for( i = 0; i < num_settings; i++ )
{
write_calibration_setting( file, settings[ i ] );
fprintf( file, ",\n" );
}
fprintf( file, "\t],\n"
"};\n");
return 0;
}