1 files changed, 56 insertions, 0 deletions
diff --git a/gr-iio/lib/pluto_utils.cc b/gr-iio/lib/pluto_utils.cc
new file mode 100644
index 0000000000..2d8f2fed35
--- /dev/null
+++ b/gr-iio/lib/pluto_utils.cc
@@ -0,0 +1,56 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2017 Analog Devices Inc.
+ * Author: Paul Cercueil <paul.cercueil@analog.com>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include <gnuradio/iio/pluto_utils.h>
+#include <iio.h>
+#include <stdexcept>
+
+namespace gr {
+namespace iio {
+
+std::string get_pluto_uri()
+{
+    iio_scan_context* ctx = iio_create_scan_context("usb", 0);
+    if (!ctx)
+        throw std::runtime_error("Unable to create scan context");
+
+    iio_context_info** info;
+    int ret = iio_scan_context_get_info_list(ctx, &info);
+    if (ret < 0) {
+        iio_scan_context_destroy(ctx);
+        throw std::runtime_error("Unable to scan for Pluto devices");
+    }
+
+    if (ret == 0) {
+        iio_context_info_list_free(info);
+        iio_scan_context_destroy(ctx);
+        throw std::runtime_error("No Pluto device found");
+    }
+
+    if (ret > 1) {
+        printf("More than one Pluto found:\n");
+
+        for (unsigned int i = 0; i < (size_t)ret; i++) {
+            printf("\t%d: %s [%s]\n",
+                   i,
+                   iio_context_info_get_description(info[i]),
+                   iio_context_info_get_uri(info[i]));
+        }
+
+        printf("We will use the first one.\n");
+    }
+
+    std::string uri(iio_context_info_get_uri(info[0]));
+    iio_context_info_list_free(info);
+    iio_scan_context_destroy(ctx);
+
+    return uri;
+}
+} // namespace iio
+} // namespace gr