TARG=comedi_test
-OBJS=main.o mode1.o
+OBJS=main.o mode0_read.o insn_read.o info.o
all: $(TARG)
--- /dev/null
+
+#ifndef _COMEDI_TEST_H_
+#define _COMEDI_TEST_H_
+
+extern char *filename;
+extern comedi_t *device;
+
+extern int subdevice;
+
+#endif
+
--- /dev/null
+
+#include <stdio.h>
+#include <comedilib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <math.h>
+#include <sys/time.h>
+#include <string.h>
+#include "comedi_test.h"
+
+
+static char *subdevice_types[]={
+ "unused",
+ "analog input",
+ "analog output",
+ "digital input",
+ "digital output",
+ "digital I/O",
+ "counter",
+ "timer",
+ "memory",
+ "calibration",
+ "processor"
+};
+
+
+int test_info(void)
+{
+ int j;
+ int type;
+ int chan,n_chans;
+ int n_ranges;
+ comedi_range *rng;
+
+ printf("rev 1\n");
+
+ type = comedi_get_subdevice_type(device,subdevice);
+ printf("I: subdevice type: %d (%s)\n",type,subdevice_types[type]);
+ if(type==COMEDI_SUBD_UNUSED)
+ return 0;
+ n_chans=comedi_get_n_channels(device,subdevice);
+ printf(" number of channels: %d\n",n_chans);
+ if(!comedi_maxdata_is_chan_specific(device,subdevice)){
+ printf(" max data value: %d\n",comedi_get_maxdata(device,subdevice,0));
+ }else{
+ printf(" max data value: (channel specific)\n");
+ for(chan=0;chan<n_chans;chan++){
+ printf(" chan%d: %d\n",chan,
+ comedi_get_maxdata(device,subdevice,chan));
+ }
+ }
+ printf(" ranges:\n");
+ if(!comedi_range_is_chan_specific(device,subdevice)){
+ n_ranges=comedi_get_n_ranges(device,subdevice,0);
+ printf(" all chans:");
+ for(j=0;j<n_ranges;j++){
+ rng=comedi_get_range(device,subdevice,0,j);
+ printf(" [%g,%g]",rng->min,rng->max);
+ }
+ printf("\n");
+ }else{
+ for(chan=0;chan<n_chans;chan++){
+ n_ranges=comedi_get_n_ranges(device,subdevice,chan);
+ printf(" chan%d:",chan);
+ for(j=0;j<n_ranges;j++){
+ rng=comedi_get_range(device,subdevice,chan,j);
+ printf(" [%g,%g]",rng->min,rng->max);
+ }
+ printf("\n");
+ }
+ }
+
+ return 0;
+}
+
+++ /dev/null
-/*
- This demo opens /dev/comedi0 and looks for an analog input
- subdevice. If it finds one, it measures one sample on each
- channel for each input range. The value NaN indicates that
- the measurement was out of range.
- */
-
-#include <stdio.h>
-#include <comedilib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <getopt.h>
-#include <ctype.h>
-
-extern int verbose_flag;
-extern int subdevice;
-extern int range;
-extern int channel;
-extern int aref;
-extern char *filename;
-
-comedi_t *device;
-
-
-int main(int argc, char *argv[])
-{
- int n_subdevs;
- int n_chans,chan;
- int n_ranges;
- int range;
- int rangetype;
- int maxdata;
- lsampl_t data;
- double voltage;
-
- parse_options(argc,argv);
-
- device=comedi_open(filename);
- if(!device){
- comedi_perror(filename);
- exit(0);
- }
-
- subdevice=comedi_find_subdevice_by_type(device,COMEDI_SUBD_AI,0);
- if(subdevice<0){
- printf("no analog input subdevice found\n");
- exit(0);
- }
-
- n_chans=comedi_get_n_channels(device,subdevice);
- for(chan=0;chan<n_chans;chan++){
- printf("%d: ",chan);
-
- //n_ranges=comedi_get_n_ranges(device,subdevice,chan);
- rangetype=comedi_get_rangetype(device,subdevice,chan);
- n_ranges=RANGE_LENGTH(rangetype);
-
- maxdata=comedi_get_maxdata(device,subdevice,chan);
- for(range=0;range<n_ranges;range++){
- comedi_data_read(device,subdevice,chan,range,aref,&data);
- voltage=comedi_to_phys(data,comedi_get_range(device,subdevice,chan,range),maxdata);
- printf("%g ",voltage);
- }
- printf("\n");
- }
-
- exit(0);
-}
-
--- /dev/null
+
+#include <stdio.h>
+#include <comedilib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <math.h>
+#include <sys/time.h>
+#include <string.h>
+#include "comedi_test.h"
+
+
+int test_insn_read(void)
+{
+ comedi_insn it;
+ lsampl_t data;
+ int save_errno;
+ int ret;
+
+ printf("rev 1\n");
+
+ memset(&it,0,sizeof(it));
+ it.subdev = subdevice;
+ it.insn = INSN_READ;
+ it.n = 1;
+ it.chanspec = CR_PACK(0,0,0);
+ it.data = &data;
+
+ ret = comedi_do_insn(device,&it);
+ save_errno = errno;
+
+ printf("comedi_do_insn: %d\n",ret);
+ if(ret<0){
+ printf("W: comedi_do_insn: errno=%d %s\n",save_errno,strerror(save_errno));
+ }
+
+ return 0;
+}
+
#include <ctype.h>
#include <malloc.h>
+#include "comedi_test.h"
char *filename="/dev/comedi0";
int verbose_flag;
int aref;
int range;
+int test_info(void);
+int test_mode0_read(void);
+int test_insn_read(void);
-int parse_options(int argc, char *argv[])
+struct test_struct{
+ char *name;
+ int (*do_test)(void);
+};
+struct test_struct tests[]={
+ { "info", test_info },
+ { "mode0_read", test_mode0_read },
+ { "insn_read", test_insn_read },
+};
+static int n_tests = sizeof(tests)/sizeof(tests[0]);
+
+int main(int argc, char *argv[])
{
int c;
-
+ int i;
while (1) {
- c = getopt(argc, argv, "acsrfvdgom");
+ c = getopt(argc, argv, "f");
if (c == -1)
break;
switch (c) {
case 'f':
filename = argv[optind];
break;
- case 's':
- sscanf(argv[optind],"%d",&subdevice);
- break;
- case 'c':
- sscanf(argv[optind],"%d",&channel);
- break;
- case 'a':
- sscanf(argv[optind],"%d",&aref);
- break;
- case 'r':
- sscanf(argv[optind],"%d",&range);
- break;
- case 'v':
- verbose_flag = 1;
- break;
- case 'd':
- aref=AREF_DIFF;
- break;
- case 'g':
- aref=AREF_GROUND;
- break;
- case 'o':
- aref=AREF_OTHER;
- break;
- case 'm':
- aref=AREF_COMMON;
- break;
default:
printf("bad option\n");
exit(1);
}
}
- return argc;
+ device = comedi_open(filename);
+
+ for(subdevice=0;subdevice<comedi_get_n_subdevices(device);subdevice++){
+ printf("I:\n");
+ printf("I: subdevice %d\n",subdevice);
+ for(i=0;i<n_tests;i++){
+ printf("I: testing %s...\n",tests[i].name);
+ tests[i].do_test();
+ }
+ }
+
+ return 0;
}
--- /dev/null
+
+#include <stdio.h>
+#include <comedilib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <math.h>
+#include <sys/time.h>
+#include <string.h>
+
+#include "comedi_test.h"
+
+
+int test_mode0_read(void)
+{
+ comedi_trig it;
+ lsampl_t data;
+ unsigned int chanspec;
+ int save_errno;
+ int ret;
+
+ printf("rev 1\n");
+
+ memset(&it,0,sizeof(it));
+ it.subdev = subdevice;
+ it.mode = 0;
+ it.n_chan = 1;
+ it.chanlist = &chanspec;
+ it.data = (sampl_t *)&data;
+ it.n = 1;
+
+ chanspec = CR_PACK(0,0,0);
+
+ ret = comedi_trigger(device,&it);
+ save_errno = errno;
+
+ printf("comedi_trig_ioctl: %d\n",ret);
+ if(ret<0){
+ printf("W: comedi_trig_ioctl: errno=%d %s\n",save_errno,
+ strerror(save_errno));
+ }
+
+ return 0;
+}
+
+++ /dev/null
-/*
- A little input demo for mode 1
-
- Mode 1 uses a timer to acquire samples at regular intervals.
- It scans through the channel list, and then repeats.
- */
-
-#include <stdio.h>
-#include <comedilib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <getopt.h>
-#include <ctype.h>
-#include <math.h>
-#include <sys/time.h>
-#include <string.h>
-
-#define BUFSZ 1000
-#define N_CHANS 1000
-
-extern int verbose_flag;
-extern int subdevice;
-extern int range;
-extern int channel;
-extern int aref;
-extern char *filename;
-
-comedi_t *device;
-
-void parse_options(int argc,char *argv[]);
-
-sampl_t data[BUFSZ];
-
-unsigned int chanlist[N_CHANS];
-
-int ai_mode1_test(double freq,int n_chans,int n_scans);
-
-int main(int argc, char *argv[])
-{
- parse_options(argc,argv);
-
- device=comedi_open(filename);
- if(!device){
- comedi_perror(filename);
- exit(0);
- }
-
- subdevice=comedi_find_subdevice_by_type(device,COMEDI_SUBD_AI,0);
- if(subdevice<0){
- printf("no analog input subdevice found\n");
- exit(0);
- }
-
-while(1){
- printf("Testing mode 1:\n");
-
- printf("10 hz, 1 chan\n");
- ai_mode1_test(10.0,1,10);
-
- printf("100 hz, 1 chan\n");
- ai_mode1_test(100.0,1,100);
-
- printf("1000 hz, 1 chan\n");
- ai_mode1_test(1000.0,1,1000);
-
- printf("10000 hz, 1 chan\n");
- ai_mode1_test(10000.0,1,10000);
-
- printf("100000 hz, 1 chan\n");
- ai_mode1_test(100000.0,1,100000);
-
- printf("100000 hz, 2 chan\n");
- ai_mode1_test(100000.0,2,50000);
-
- printf("100000 hz, 16 chans\n");
- ai_mode1_test(100000.0,16,100000/16);
-}
-
-
- return 0;
-}
-
-int ai_mode1_test(double freq,int n_chans,int n_scans)
-{
- comedi_trig it;
- int err;
- int n,i;
- double actual_freq;
- void *data_ptr;
- int n_left;
- int maxchan;
- struct timeval start,stop;
- int m;
-
- memset(&it,0,sizeof(it));
- it.subdev = subdevice;
- it.mode = 1;
- it.n_chan = n_chans;
- it.chanlist = chanlist;
- it.data = data;
- it.n = n_scans;
-
- maxchan = comedi_get_n_channels(device,subdevice);
-
- /* pack the channel list */
- for(i=0;i<n_chans;i++){
- chanlist[i] = CR_PACK(i%maxchan, range, aref);
- }
-
- comedi_get_timer(device,subdevice,freq,&it.trigvar,&actual_freq);
- printf("primary actual frequency=%g timer value=%d\n",actual_freq,it.trigvar);
-
- gettimeofday(&start,NULL);
-
- if ((err = comedi_trigger(device, &it)) < 0) {
- perror("ioctl");
- }
-
- data_ptr=data;
- n_left=n_scans*n_chans*sizeof(sampl_t);
- while(n_left>0){
- m=n_left;
- if(m>=BUFSZ)m=BUFSZ;
- if((n=read(comedi_fileno(device),data_ptr,m))<0){
- perror("read");
- exit(1);
- }
- //printf("read %d\n",n);
- n_left-=n;
- //data_ptr+=n;
- }
-
- gettimeofday(&stop,NULL);
-
- if(stop.tv_usec<=start.tv_usec){
- stop.tv_usec+=1000000;
- stop.tv_sec--;
- }
- stop.tv_sec-=start.tv_sec;
- stop.tv_usec-=start.tv_usec;
-
- printf("actual time elapsed: %d.%06d s.\n",(int)stop.tv_sec,(int)stop.tv_usec);
- printf("expected time: %g\n",n_scans*n_chans/actual_freq);
-
- return 0;
-}
-
+++ /dev/null
-/*
- A little input demo for mode 2
-
- Mode 2 uses two different timers to convert samples.
- The primary timer determines the time between scans,
- and the secondary timer determines the time between
- samples in a scan.
-
- The time between scans is in trigval; the time
- between samples is selected by trigval1. Conversion
- from seconds or Hz is done using the standard timer
- routines.
-
- */
-
-#include <stdio.h>
-#include <comedilib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <getopt.h>
-#include <ctype.h>
-
-#define N_SCANS 10
-#define N_CHANS 16
-
-int subdevice = 0;
-int chan=0;
-int range = 0;
-int aref = AREF_GROUND;
-double freq = 1000;
-
-#define N_SAMPLES 1000
-
-double data[N_SAMPLES];
-
-
-int main(int argc, char *argv[])
-{
- char *fn = NULL;
- int i;
- comedi_t *dev;
-
- fn = "/dev/comedi0";
-
- dev = comedi_open(fn);
-
-#if 0
- for(i=0;i<10;i++){
- range=comedi_find_range(dev,subdevice,chan,0,-i,i);
- printf("%d\n",range);
- }
-#endif
- comedi_timed_1chan(dev,subdevice,chan,range,aref,freq,N_SAMPLES,data);
-
- for(i=0;i<N_SAMPLES;i++){
- printf("%g\n",data[i]);
- }
-
- return 0;
-}
-
projects / comedilib.git / commitdiff