python

python/simple-integration-tests/eiger/test_firmware.py

@@ -0,0 +1,128 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Tests specific for the firmware.
+
+Check that register values are correct after starting an exposure
+
+0x4 exposure time
+0x5 period
+0x6 sub exposure time
+
+"""
+import pytest
+import config_test
+from fixtures import detector, eiger, jungfrau, eigertest, jungfrautest
+from sls_detector.errors import DetectorValueError
+from sls_detector.utils import  eiger_register_to_time
+
+# testdata_exptimes = [0.001, 0.002, 0.0236]
+
+@eigertest
+def test_short_exposure_time(eiger):
+    t = 1.23
+    eiger.exposure_time = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    #Register 0x4 holds exposure time
+    reg = eiger.register[0x4]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+@eigertest
+def test_short_minimal_exposure_time(eiger):
+    t = 1e-8
+    eiger.exposure_time = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    #Register 0x4 holds exposure time
+    reg = eiger.register[0x4]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+
+@eigertest
+def test_long_exposure_time(eiger):
+    t = 623
+    eiger.exposure_time = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    # Register 0x4 holds exposure time
+    reg = eiger.register[0x4]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+
+@eigertest
+def test_short_period(eiger):
+    t = 0.1
+    eiger.exposure_time = 0.001
+    eiger.period = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    # Register 0x5 holds period
+    reg = eiger.register[0x5]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+
+@eigertest
+def test_long_period(eiger):
+    t = 8900
+    eiger.exposure_time = 0.001
+    eiger.period = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    # Register 0x5 holds period
+    reg = eiger.register[0x5]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+@eigertest
+def test_zero_period_with_acq(eiger):
+    t = 0
+    eiger.exposure_time = 0.001
+    eiger.period = t
+    eiger.file_write = False
+    eiger.acq()
+
+    # Register 0x5 holds period
+    reg = eiger.register[0x5]
+    assert pytest.approx(t, 1e-9) == eiger_register_to_time(reg)
+
+
+testdata_times = [0.001, 0.002, 0.0236]
+@eigertest
+@pytest.mark.parametrize("t", testdata_times)
+def test_subexptime(eiger,t):
+    eiger.sub_exposure_time = t
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    # Register 0x6 holds sub exposure time
+    # time is stored straight as n clocks
+    reg = eiger.register[0x6]
+    assert pytest.approx(t, 1e-9) == reg/100e6
+
+
+@eigertest
+@pytest.mark.parametrize("t", testdata_times)
+def test_subdeadtime(eiger, t):
+    eiger.sub_deadtime = t
+    eiger.sub_exposure_time = 1
+    eiger.sub_exposure_time = 0.001
+    eiger.file_write = False
+    eiger.start_detector()
+    eiger.stop_detector()
+
+    # Register 0x7 holds sub period
+    # time is stored straight as n clocks
+    # exptime+deadtime
+    reg = eiger.register[0x7]
+    assert pytest.approx(t, 1e-7) == (reg/100e6-0.001)