From 2a575bf9b5a4942f60e979161764b9e942699e1e Mon Sep 17 00:00:00 2001
From: Lars Amsel <lars.amsel@ni.com>
Date: Fri, 4 Jun 2021 08:27:50 +0200
Subject: uhd: Add support for the USRP X410
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Co-authored-by: Lars Amsel <lars.amsel@ni.com>
Co-authored-by: Michael Auchter <michael.auchter@ni.com>
Co-authored-by: Martin Braun <martin.braun@ettus.com>
Co-authored-by: Paul Butler <paul.butler@ni.com>
Co-authored-by: Cristina Fuentes <cristina.fuentes-curiel@ni.com>
Co-authored-by: Humberto Jimenez <humberto.jimenez@ni.com>
Co-authored-by: Virendra Kakade <virendra.kakade@ni.com>
Co-authored-by: Lane Kolbly <lane.kolbly@ni.com>
Co-authored-by: Max Köhler <max.koehler@ni.com>
Co-authored-by: Andrew Lynch <andrew.lynch@ni.com>
Co-authored-by: Grant Meyerhoff <grant.meyerhoff@ni.com>
Co-authored-by: Ciro Nishiguchi <ciro.nishiguchi@ni.com>
Co-authored-by: Thomas Vogel <thomas.vogel@ni.com>
---
 mpm/python/usrp_mpm/sys_utils/ectool.py | 45 +++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 mpm/python/usrp_mpm/sys_utils/ectool.py

(limited to 'mpm/python/usrp_mpm/sys_utils/ectool.py')

diff --git a/mpm/python/usrp_mpm/sys_utils/ectool.py b/mpm/python/usrp_mpm/sys_utils/ectool.py
new file mode 100644
index 000000000..0525d604a
--- /dev/null
+++ b/mpm/python/usrp_mpm/sys_utils/ectool.py
@@ -0,0 +1,45 @@
+#
+# Copyright 2020 Ettus Research, a National Instruments Brand
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+"""
+Utilities for interfacing with ectool
+"""
+
+import subprocess
+
+def run_cmd(cmd):
+    """Run ectool utility's command named cmd."""
+    cmd_str = ' '.join(['ectool', cmd])
+    try:
+        output = subprocess.check_output(
+            cmd_str,
+            stderr=subprocess.STDOUT,
+            shell=True,
+        )
+    except subprocess.CalledProcessError as ex:
+        raise RuntimeError("Failed to execute {} ectool command".format(cmd))
+    return output.decode("utf-8")
+
+def get_num_fans():
+    """ Run ectool utility's command pwmgetnumfans to get number of fans."""
+    output = run_cmd('pwmgetnumfans')
+    num_fans = [int(s) for s in output.split() if s.isdigit()][0]
+    return num_fans
+
+def get_fan_rpm():
+    """Run ectool utility's command pwmgetfanrpm to get fan rpm."""
+    num_fans = get_num_fans()
+    if num_fans == 0:
+        raise RuntimeError("Number of fans is zero.")
+    output = run_cmd('pwmgetfanrpm')
+    fan_rpm_info = [int(s) for s in output.split() if s.isdigit()]
+    if len(fan_rpm_info) == 2 * num_fans:
+        return {
+            "fan{}".format(fan) : fan_rpm_info[fan * 2 + 1]
+            for fan in range (0, num_fans)
+        }
+    else:
+        raise RuntimeError("Error getting fan rpm using ectool, at least one fan" \
+                            " may be stalled. Command output: {}".format(output))
-- 
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