Small test program to set the echo cancellation mode on the FXO module

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@527 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 46 insertions, 0 deletions

diff --git a/fxotune.c b/fxotune.c
new file mode 100755
index 0000000..6bdaeba
--- /dev/null
+++ b/fxotune.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <linux/zaptel.h>
+#include "wctdm.h"
+
+int main (int argc , char **argv)
+{
+	char zapdev[80] = "";
+	int fd;
+	
+	if (argc < 4) {
+		fprintf(stdout, "Usage:\n");
+		fprintf(stdout, "%s [zap device] echocan [0-7]\n", argv[0]);
+		exit(1);
+	}
+
+	strncpy(zapdev, argv[1], sizeof(zapdev));
+
+	fd = open(zapdev, O_RDWR);
+	if (fd < 0) {
+		fprintf(stderr, "open: %s\n", strerror(errno));
+		exit(1);
+	}
+	
+	if (!strcasecmp(argv[2], "echocan")) {
+		int modeno = atoi(argv[3]);
+
+		if (modeno < 0 || modeno > 7) {
+			fprintf(stdout, "Echo canceller coefficient settings must be between 0 and 7.\n");
+			exit(1);
+		}
+
+		if (ioctl(fd, WCTDM_SET_ECHOTUNE, &modeno)) {
+			fprintf(stdout, "echotune: %s\n", strerror(errno));
+			exit(1);
+		}
+		exit(0);
+	}
+	exit(0);
+}