test added

unit-tests/live/d500/test-temperatures-xu-vs-hwmc.py

@@ -0,0 +1,97 @@
+# License: Apache 2.0. See LICENSE file in root directory.
+# Copyright(c) 2024 Intel Corporation. All Rights Reserved.
+
+# test:device D500*
+
+import pyrealsense2 as rs
+from rspy import test
+
+# This test checks that the same values of temperature are received whether XU command or HWM Command are used.
+
+dev = test.find_first_device_or_exit()
+depth_sensor = dev.first_depth_sensor()
+dp_device = dev.as_debug_protocol()
+
+
+########################################  HELPERS  ##########################################
+
+def get_temperatures_from_xu():
+    pvt_temp = -10
+    ohm_temp = -10
+    proj_temp = -10
+
+    test.check(depth_sensor.supports(rs.option.soc_pvt_temperature))
+    test.check(depth_sensor.supports(rs.option.ohm_temperature))
+    test.check(depth_sensor.supports(rs.option.projector_temperature))
+
+    pvt_temp = depth_sensor.get_option(rs.option.soc_pvt_temperature)
+    ohm_temp = depth_sensor.get_option(rs.option.ohm_temperature)
+    proj_temp = depth_sensor.get_option(rs.option.projector_temperature)
+
+    return pvt_temp, ohm_temp, proj_temp
+
+
+def parse_temperature_from_hwm(hwm_answer):
+    temperature = -10.0
+    relevant_data = hwm_answer[4:]
+    temperatures_list = []
+
+    test.check_equal(len(relevant_data), 20)
+    whole_number_part = 0
+    decimal_part = 0
+    for i in range(len(relevant_data)):
+        if i % 2 == 0:
+            decimal_part = relevant_data[i]
+        else:
+            whole_number_part = relevant_data[i]
+            current_temp = whole_number_part + decimal_part / 256.0
+            temperatures_list.append(current_temp)
+            whole_number_part = 0
+            decimal_part = 0
+    return temperatures_list
+
+
+def get_temperatures_from_hwm():
+    pvt_temp = -10
+    ohm_temp = -10
+    proj_temp = -10
+
+    gtemp_opcode = 0x2a
+
+    # getting all the available temperatures
+    param_for_all_temp = 0
+    all_temp_cmd = dp_device.build_command(opcode=gtemp_opcode, param1=param_for_all_temp)
+    all_temp_list = parse_temperature_from_hwm(dp_device.send_and_receive_raw_data(all_temp_cmd))
+
+    # get pvt temperature
+    pvt_temp_index = 7
+    pvt_temp = all_temp_list[pvt_temp_index - 1]
+
+    # get ohm temperature
+    ohm_temp_index = 2
+    ohm_temp = all_temp_list[ohm_temp_index - 1]
+
+    # get projector temperature
+    proj_temp_index = 1
+    proj_temp = all_temp_list[proj_temp_index - 1]
+
+    return pvt_temp, ohm_temp, proj_temp
+
+
+#############################################################################################
+
+test.start("Compare Temperature readings XU vs HWMC")
+
+pvt_temp_xu, ohm_temp_xu, projector_temp_xu = get_temperatures_from_xu()
+
+pvt_temp_hwm, ohm_temp_hwm, projector_temp_hwm = get_temperatures_from_hwm()
+
+tolerance = 0.1
+test.check_approx_abs(pvt_temp_xu, pvt_temp_hwm, tolerance)
+test.check_approx_abs(ohm_temp_xu, ohm_temp_hwm, tolerance)
+test.check_approx_abs(projector_temp_xu, projector_temp_xu, tolerance)
+
+test.finish()
+#############################################################################################
+
+test.print_results_and_exit()