added lots of more information
This commit is contained in:
David Schleef
parent
14152fb380
commit
5e8a77d52b
1 changed files with 156 additions and 8 deletions
164
demo/info.c
164
demo/info.c
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@ -10,6 +10,8 @@
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#include <sys/ioctl.h>
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#include <errno.h>
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void get_command_stuff(comedi_t *it,int s);
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void help(void)
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{
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fprintf(stderr,"info </dev/comediN>\n");
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@ -62,22 +64,41 @@ int main(int argc,char *argv[])
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printf("subdevice %d:\n",i);
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type=comedi_get_subdevice_type(it,i);
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printf(" type: %d (%s)\n",type,subdevice_types[type]);
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if(type==COMEDI_SUBD_UNUSED)
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continue;
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n_chans=comedi_get_n_channels(it,i);
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printf(" number of channels: %d\n",n_chans);
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printf(" max data value: %d\n",comedi_get_maxdata(it,i,0));
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n_ranges=comedi_get_n_ranges(it,i,0);
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printf(" number of ranges: %d\n",n_ranges);
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if(!comedi_maxdata_is_chan_specific(it,i)){
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printf(" max data value: %d\n",comedi_get_maxdata(it,i,0));
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}else{
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printf(" max data value: (channel specific)\n");
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for(chan=0;chan<n_chans;chan++){
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printf(" chan%d: %d\n",chan,
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comedi_get_maxdata(it,i,chan));
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}
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}
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printf(" ranges:\n");
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for(chan=0;chan<n_chans;chan++){
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printf(" chan%d:",chan);
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//printf(" (0x%08x)",comedi_get_rangetype(it,i,chan));
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if(!comedi_range_is_chan_specific(it,i)){
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n_ranges=comedi_get_n_ranges(it,i,0);
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printf(" all chans:");
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for(j=0;j<n_ranges;j++){
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rng=comedi_get_range(it,i,chan,j);
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//printf(" %p",rng);
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rng=comedi_get_range(it,i,0,j);
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printf(" [%g,%g]",rng->min,rng->max);
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}
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printf("\n");
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}else{
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for(chan=0;chan<n_chans;chan++){
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n_ranges=comedi_get_n_ranges(it,i,chan);
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printf(" chan%d:",chan);
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for(j=0;j<n_ranges;j++){
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rng=comedi_get_range(it,i,chan,j);
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printf(" [%g,%g]",rng->min,rng->max);
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}
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printf("\n");
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}
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}
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printf(" command:\n");
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get_command_stuff(it,i);
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}
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return 0;
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@ -95,3 +116,130 @@ char *tobinary(char *s,int bits,int n)
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return s;
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}
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char *cmd_src(int src,char *buf)
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{
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buf[0]=0;
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if(src&TRIG_NONE)strcat(buf,"none|");
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if(src&TRIG_NOW)strcat(buf,"now|");
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if(src&TRIG_FOLLOW)strcat(buf,"follow|");
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if(src&TRIG_TIME)strcat(buf,"time|");
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if(src&TRIG_TIMER)strcat(buf,"timer|");
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if(src&TRIG_COUNT)strcat(buf,"count|");
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if(src&TRIG_EXT)strcat(buf,"ext|");
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if(src&TRIG_INT)strcat(buf,"int|");
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if(strlen(buf)==0){
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sprintf(buf,"unknown(0x%02x)",src);
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}else{
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buf[strlen(buf)-1]=0;
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}
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return buf;
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}
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void probe_max_1chan(comedi_t *it,int s);
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int comedi_get_cmd_src_mask(comedi_t *it,unsigned int s,comedi_cmd *cmd)
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{
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memset(cmd,0,sizeof(*cmd));
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cmd->subdev = s;
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cmd->flags = 0;
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cmd->start_src = TRIG_ANY;
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cmd->scan_begin_src = TRIG_ANY;
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cmd->convert_src = TRIG_ANY;
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cmd->scan_end_src = TRIG_ANY;
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cmd->stop_src = TRIG_ANY;
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return comedi_command_test(it,cmd);
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}
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int comedi_get_cmd_fast_1chan(comedi_t *it,unsigned int s,comedi_cmd *cmd)
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{
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int ret;
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comedi_get_cmd_src_mask(it,s,cmd);
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cmd->chanlist_len = 1;
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cmd->scan_end_src = TRIG_COUNT;
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cmd->scan_end_arg = 1;
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if(cmd->convert_src&TRIG_TIMER){
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if(cmd->scan_begin_src&TRIG_FOLLOW){
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cmd->convert_src = TRIG_TIMER;
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cmd->scan_begin_src = TRIG_FOLLOW;
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}else{
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cmd->convert_src = TRIG_TIMER;
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cmd->scan_begin_src = TRIG_TIMER;
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}
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}else{
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printf("can't do timed?!?\n");
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return;
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}
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if(cmd->stop_src&TRIG_COUNT){
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cmd->stop_src=TRIG_COUNT;
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cmd->stop_arg=2;
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}else if(cmd->stop_src&TRIG_NONE){
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cmd->stop_src=TRIG_NONE;
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cmd->stop_arg=0;
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}else{
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printf("can't find a good stop_src\n");
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return;
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}
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ret=comedi_command_test(it,cmd);
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if(ret==3){
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/* good */
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ret=comedi_command_test(it,cmd);
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}
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if(ret==4 || ret==0){
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return 0;
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}
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return -1;
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}
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void get_command_stuff(comedi_t *it,int s)
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{
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comedi_cmd cmd;
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char buf[100];
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if(comedi_get_cmd_src_mask(it,s,&cmd)<0){
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printf(" not supported\n");
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}else{
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printf(" start: %s\n",cmd_src(cmd.start_src,buf));
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printf(" scan_begin: %s\n",cmd_src(cmd.scan_begin_src,buf));
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printf(" convert: %s\n",cmd_src(cmd.convert_src,buf));
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printf(" scan_end: %s\n",cmd_src(cmd.scan_end_src,buf));
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printf(" stop: %s\n",cmd_src(cmd.stop_src,buf));
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probe_max_1chan(it,s);
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}
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}
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void probe_max_1chan(comedi_t *it,int s)
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{
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comedi_cmd cmd;
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char buf[100];
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printf(" command fast 1chan:\n");
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if(comedi_get_cmd_fast_1chan(it,s,&cmd)<0){
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printf(" not supported\n");
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}else{
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printf(" start: %s %d\n",
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cmd_src(cmd.start_src,buf),cmd.start_arg);
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printf(" scan_begin: %s %d\n",
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cmd_src(cmd.scan_begin_src,buf),cmd.scan_begin_arg);
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printf(" convert: %s %d\n",
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cmd_src(cmd.convert_src,buf),cmd.convert_arg);
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printf(" scan_end: %s %d\n",
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cmd_src(cmd.scan_end_src,buf),cmd.scan_end_arg);
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printf(" stop: %s %d\n",
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cmd_src(cmd.stop_src,buf),cmd.stop_arg);
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}
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}
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