From: David Schleef <ds@schleef.org>
Date: Thu, 1 Mar 2001 21:58:37 +0000 (+0000)
Subject: bufconfig support
X-Git-Tag: r0_7_15~5
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=93c44d29a1736a51957ebed0706c6a96e8f56066;p=comedilib.git

bufconfig support
---

diff --git a/lib/get.c b/lib/get.c
index da061a1..e7ea066 100644
--- a/lib/get.c
+++ b/lib/get.c
@@ -150,3 +150,49 @@ comedi_range * comedi_get_range(comedi_t *it,unsigned int subdevice,unsigned int
 
 
 
+int comedi_get_buffer_size(comedi_t *it,unsigned int subd)
+{
+	comedi_bufconfig bc;
+	int ret;
+
+	memset(&bc,0,sizeof(bc));
+
+	bc.subdevice = subd;
+	
+	ret = ioctl(it->fd, COMEDI_BUFCONFIG, &bc);
+	if(ret<0)return -1;
+
+	return bc.size;
+}
+
+int comedi_get_max_buffer_size(comedi_t *it,unsigned int subd)
+{
+	comedi_bufconfig bc;
+	int ret;
+
+	memset(&bc,0,sizeof(bc));
+
+	bc.subdevice = subd;
+	
+	ret = ioctl(it->fd, COMEDI_BUFCONFIG, &bc);
+	if(ret<0)return -1;
+
+	return bc.maximum_size;
+}
+
+int comedi_set_buffer_size(comedi_t *it,unsigned int subd,int size)
+{
+	comedi_bufconfig bc;
+	int ret;
+
+	memset(&bc,0,sizeof(bc));
+
+	bc.subdevice = subd;
+	bc.size = size;
+	
+	ret = ioctl(it->fd, COMEDI_BUFCONFIG, &bc);
+	if(ret<0)return -1;
+
+	return bc.size;
+}
+