From 2c91648c7f8f21e1d2e528e2c0a8bd28a1c89d7d Mon Sep 17 00:00:00 2001 From: Sugandha Gupta Date: Fri, 3 Aug 2018 16:23:55 -0700 Subject: mpm: sys_utils: Get list of temperatures from all thermal zones --- mpm/python/usrp_mpm/sys_utils/sysfs_thermal.py | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) (limited to 'mpm/python/usrp_mpm') diff --git a/mpm/python/usrp_mpm/sys_utils/sysfs_thermal.py b/mpm/python/usrp_mpm/sys_utils/sysfs_thermal.py index a5df76858..7409fbe17 100644 --- a/mpm/python/usrp_mpm/sys_utils/sysfs_thermal.py +++ b/mpm/python/usrp_mpm/sys_utils/sysfs_thermal.py @@ -8,6 +8,23 @@ sysfs thermal sensors API import pyudev +def read_thermal_sensors_value(sensor_type, data_probe): + """ + This function will return a list of all the float value of + the thermal sensor subsystem = 'thermal' and type = sensor_type + + Arguments: + sensor_type -- Is attribute "type" of udev. This can be fpga-thermal-zone, + magnesium-db0-zone, croc-ec-thermal etc. + data_probe -- is one of the attribute of that sensor. This can be 'temp' in + the case of thermal-zone or 'cur_state' in the case of a + cooling device. + """ + reading_sensors = [x.attributes.asint(data_probe) for x in pyudev.Context() + .list_devices(subsystem='thermal') + .match_attribute('type', sensor_type)] + return reading_sensors + def read_thermal_sensor_value(sensor_type, data_probe): """ This function will return the float value of the thermal sensor @@ -20,7 +37,7 @@ def read_thermal_sensor_value(sensor_type, data_probe): the case of thermal-zone or 'cur_state' in the case of a cooling device. """ - reading_sensors = [x.attributes.asint(data_probe) for x in pyudev.Context() - .list_devices(subsystem='thermal') - .match_attribute('type', sensor_type)] - return reading_sensors[0] + sensor_val = read_thermal_sensors_value(sensor_type, data_probe) + if not sensor_val: + raise IndexError("No {} attribute found for {} sensor.".format(data_probe, sensor_type)) + return sensor_val[0] -- cgit v1.2.3