tests: Added first batch of device tests

- Currently supported: B2xx, X3x0
- Runs some simple examples

1 files changed, 50 insertions, 0 deletions

diff --git a/host/tests/devtest/usrp_probe.py b/host/tests/devtest/usrp_probe.py
new file mode 100644
index 000000000..ba3c645e4
--- /dev/null
+++ b/host/tests/devtest/usrp_probe.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+#
+# Copyright 2015 Ettus Research LLC
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+""" Run uhd_find_devices and parse the output. """
+
+import re
+import subprocess
+
+def get_usrp_list(device_filter=None):
+    """ Returns a list of dicts that contain USRP info """
+    try:
+        if device_filter is not None:
+            output = subprocess.check_output(['uhd_find_devices', '--args', device_filter])
+        else:
+            output = subprocess.check_output('uhd_find_devices')
+    except subprocess.CalledProcessError:
+        return []
+    split_re = "\n*-+\n-- .*\n-+\n"
+    uhd_strings = re.split(split_re, output)
+    result = []
+    for uhd_string in uhd_strings:
+        if not re.match("Device Address", uhd_string):
+            continue
+        this_result = {k: v for k, v in re.findall("    ([a-z]+): (.*)", uhd_string)}
+        args_string = ""
+        try:
+            args_string = "type={},serial={}".format(this_result['type'], this_result['serial'])
+        except KeyError:
+            continue
+        this_result['args'] = args_string
+        result.append(this_result)
+    return result
+
+if __name__ == "__main__":
+    print get_usrp_list()
+    print get_usrp_list('type=x300')