From 80a7835141dec0307692914bf28635c3dd479550 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Wed, 9 Aug 2000 21:03:15 +0000
Subject: [PATCH] add insn support

---
 lib/filler.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/ioctl.c  |  7 ++++++
 2 files changed, 70 insertions(+)

diff --git a/lib/filler.c b/lib/filler.c
index bc3f464..5c34416 100644
--- a/lib/filler.c
+++ b/lib/filler.c
@@ -38,6 +38,8 @@
 
 /* these functions download information from the comedi module. */
 
+static int do_test_for_cmd(comedi_t *dev,unsigned int subdevice);
+static int do_test_for_insn(comedi_t *dev,unsigned int subdevice);
 
 
 int get_subdevices(comedi_t *it)
@@ -91,6 +93,9 @@ int get_subdevices(comedi_t *it)
 		}else{
 			r[i].rangeinfo=get_rangeinfo(it->fd,r[i].range_type);
 		}
+
+		r[i].has_cmd = do_test_for_cmd(it,i);
+		r[i].has_insn = do_test_for_insn(it,i);
 	}
 
 	free(s);
@@ -124,3 +129,61 @@ comedi_range *get_rangeinfo(int fd,unsigned int range_type)
 }
 
 
+/* some command testing */
+
+static int do_test_for_cmd(comedi_t *dev,unsigned int subdevice)
+{
+	comedi_cmd it;
+	int ret;
+
+	memset(&it,0,sizeof(it));
+
+	it.subdev = 0;
+	it.start_src = TRIG_ANY;
+	it.scan_begin_src = TRIG_ANY;
+	it.convert_src = TRIG_ANY;
+	it.scan_end_src = TRIG_ANY;
+	it.stop_src = TRIG_ANY;
+
+	ret = ioctl(dev->fd,COMEDI_CMDTEST,&it);
+
+	if(ret<0 && errno==EIO){
+		return 0;
+	}
+	if(ret<0){
+		fprintf(stderr,"BUG in do_test_for_cmd()\n");
+		return 0;
+	}
+	return 1;
+}
+
+static int do_test_for_insn(comedi_t *dev,unsigned int subdevice)
+{
+	comedi_insn insn;
+	comedi_insnlist il;
+	lsampl_t data[2];
+	int ret;
+
+	memset(&insn,0,sizeof(insn));
+
+	il.n_insns = 1;
+	il.insns = &insn;
+
+	insn.insn = INSN_GTOD;
+	insn.n = 2;
+	insn.data = (void *)&data;
+	insn.subdev = subdevice;
+
+	ret = ioctl(dev->fd,COMEDI_INSN,&il);
+
+	if(ret<0 && errno==EIO){
+		return 0;
+	}
+	if(ret<0){
+		fprintf(stderr,"BUG in do_test_for_insn()\n");
+		return 0;
+	}
+	return 1;
+}
+
+
diff --git a/lib/ioctl.c b/lib/ioctl.c
index 781c07a..a9fa513 100644
--- a/lib/ioctl.c
+++ b/lib/ioctl.c
@@ -72,6 +72,13 @@ int ioctl_cmd(int fd,comedi_cmd *it)
 }
 #endif
 
+#ifdef HAVE_COMEDI_INSN
+int ioctl_insnlist(int fd,comedi_insn *it)
+{
+	return ioctl(fd,COMEDI_INSNLIST,it);
+}
+#endif
+
 int ioctl_lock(int fd,int subdevice)
 {
 	return ioctl(fd,COMEDI_LOCK,subdevice);
-- 
2.26.2