test47: Add eeprom content validity test.

285e7810 · Matthieu Cattin · d10f5f94 · 285e7810
Commit 285e7810 authored Jan 19, 2015 by Matthieu Cattin
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test47.py tests/test47.py +110 -0

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--- a/tests/test47.py
+++ b/tests/test47.py
+#!   /usr/bin/env   python
+#    coding: utf8
+
+# Copyright CERN, 2011
+# Author: Matthieu Cattin <matthieu.cattin@cern.ch>
+# Licence: GPL v2 or later.
+# Website: http://www.ohwr.org
+# Last modifications: 16/5/2012
+
+# Import system modules
+import sys
+import time
+import datetime
+import os
+
+# Import specific modules
+from fmc_adc_spec import *
+from fmc_adc import *
+
+# Import common modules
+from ptsexcept import *
+from fmc_eeprom import *
+import rr
+
+
+"""
+test47: Read eeprom and check validity
+
+Note: Requires test00.py to run first to load the gateware!
+      Requires test23.py to run to write eeprom data.
+"""
+
+def main (default_directory='.'):
+
+    # Constants declaration
+    TEST_NB = 47
+    EXPECTED_BITSTREAM_TYPE = 0x1
+
+    EEPROM_SIZE = 8192 # in Bytes
+    EEPROM_EXPECTED_CONTENT = [01, 00]
+
+
+    start_test_time = time.time()
+    print "================================================================================"
+    print "Test%02d start\n" % TEST_NB
+
+    # SPEC object declaration
+    print "Loading hardware access library and opening device.\n"
+    spec = rr.Gennum()
+
+    # Carrier object declaration (SPEC board specific part)
+    try:
+        carrier = CFmcAdc100mSpec(spec, EXPECTED_BITSTREAM_TYPE)
+    except FmcAdc100mSpecOperationError as e:
+        raise PtsCritical("Carrier init failed, test stopped: %s" % e)
+
+    # Mezzanine object declaration (FmcAdc100m14b4cha board specific part)
+    try:
+        fmc = CFmcAdc100m(spec)
+    except FmcAdc100mOperationError as e:
+        raise PtsCritical("Mezzanine init failed, test stopped: %s" % e)
+
+
+    ###########################################################################
+    # Real test stuff here
+    try:
+
+        # Read entire EEPROM
+        print "Read EEPROM content."
+        eeprom_data_read = fmc.sys_i2c_eeprom_read(0, EEPROM_SIZE)
+
+        #==================================================
+        # Check eeprom content validity
+        print "Check EEPROM content validity.\n"
+        mismatch = 0
+        for i in range(len(EEPROM_EXPECTED_CONTENT)):
+            expect_data = EEPROM_EXPECTED_CONTENT[i]
+            rd_data = eeprom_data_read[i]
+            if expect_data == rd_data:
+                check = "OK"
+            else:
+                check = "FAILED"
+                mismatch += 1
+                #print "0x%02X 0x%02X => %s" % (expect_data, rd_data, check)
+            print "0x%02X: 0x%02X == 0x%02X ? => %s" % (i, expect_data, rd_data, check)
+        print "EEPROM content validity check => ",
+        if(mismatch == 0):
+            print "OK"
+        else:
+            print "FAILED"
+
+
+    except FmcAdc100mOperationError as e:
+        raise PtsError("Test failed: %s" % e)
+
+    ###########################################################################
+
+    print ""
+    print "==> End of test%02d" % TEST_NB
+    print "================================================================================"
+    end_test_time = time.time()
+    print "Test%02d elapsed time: %.2f seconds\n" % (TEST_NB, end_test_time-start_test_time)
+
+    # Check if an error occured during EEPROM verification
+    if(mismatch != 0):
+        raise PtsError("EEPROM validity check failed: %d mismatch found. Check log for details." % mismatch)
+
+
+if __name__ == '__main__' :
+    main()