X-Git-Url: http://rtime.felk.cvut.cz/gitweb/mf6xx.git/blobdiff_plain/7bfee47eafe9273f70d32248b542da30c0452e94..255b7f7b6910f0bc6878e088c25bff41c0acd010:/src/hudaqlib/samples/special/ListDevices.c

diff --git a/src/hudaqlib/samples/special/ListDevices.c b/src/hudaqlib/samples/special/ListDevices.c
new file mode 100644
index 0000000..7dc140f
--- /dev/null
+++ b/src/hudaqlib/samples/special/ListDevices.c
@@ -0,0 +1,76 @@
+/* DaWrite.c:
+ *   This demo demonstrates how to list devices.  
+ */
+#include <malloc.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "hudaqlib.h"
+
+
+typedef struct
+{
+	char *DevName;
+	int DevOrder;
+} DeviceStruct;
+
+
+int ListDevices(DeviceStruct *D)
+{
+	int index=0;
+	int i;
+	HUDAQHANDLE h;
+
+	do
+	{
+		h = HudaqOpenDevice("", index+1, HudaqOpenNOINIT);  //Open a device
+		if(h==0) break;
+
+		D[index].DevName = strdup(HudaqGetBoardName(h));
+		D[index].DevOrder=1;
+
+		for(i=0;i<index;i++) 
+			if(!strcmp(D[index].DevName,D[i].DevName)) D[index].DevOrder++;
+		HudaqCloseDevice(h);
+
+		index++;   
+	} while(h!=0);
+
+	return index;
+}
+
+
+int main(int argc, char* argv[])
+{
+	int i, count;
+	char ch;
+	HUDAQHANDLE h;
+	DeviceStruct ds[10];
+
+	count = ListDevices(ds);
+	if(count<=0) {printf("\nNo Hudaqdevice found");return(-1);}
+
+	if(count>1) 
+	{
+		for(i=0;i<count;i++)
+			printf("\nPlease hit %c to choose %s card [%d]:",i+'A',ds[i].DevName,ds[i].DevOrder);
+		printf("\n");
+		i=toupper(getchar());
+		i-='A';
+		if (i<0 || i>=10) return;
+	}
+	else
+		i=0;
+
+	h = HudaqOpenDevice(ds[i].DevName,ds[i].DevOrder, HudaqOpenNOINIT);
+	if(h==0) 
+		return -3;			       /* Device cannot be openned. */    
+
+
+	printf("\nDevice [%s(%d)] has been succesfully opened.", ds[i].DevName, ds[i].DevOrder);
+
+	HudaqCloseDevice(h);                 /* Close handle */
+
+	return 0;
+}
+