New program to test FMC EEPROM formating and writing.

243cc399 · Matthieu Cattin · d1c8010c · 243cc399 · 243cc399
Commit 243cc399 authored Jan 12, 2012 by Matthieu Cattin
Expand all Hide whitespace changes
Inline Side-by-side

Showing with 207 additions and 78 deletions

test19_eeprom.py test/fmcadc100m14b4cha/python/test19_eeprom.py +129 -0

test19_eeprom_input.xml test/fmcadc100m14b4cha/python/test19_eeprom_input.xml +78 -78

No files found.
--- a/test/fmcadc100m14b4cha/python/test19_eeprom.py
+++ b/test/fmcadc100m14b4cha/python/test19_eeprom.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
+
+import sys
+import rr
+import time
+import datetime
+import os
+import libxml2
+
+import spec_fmc_adc
+import fmc_adc
+
+
+"""
+test19_eeprom: Test eeprom data formatting
+
+Note: Requires test00.py to run first to load the firmware!
+"""
+
+
+def main (default_directory = '.'):
+
+    # Objects declaration
+    spec = rr.Gennum() # bind to the SPEC board
+    spec_fmc = spec_fmc_adc.CSpecFmcAdc100Ms(spec)
+    fmc = fmc_adc.CFmcAdc100Ms(spec)
+
+    ############################################################################
+    # Append serial number and mfg date to XML file
+    ############################################################################
+    serial_filename = "../../../serial.txt"
+    f_serial = open(serial_filename, 'r+')
+    serial = f_serial.readline()
+    f_serial.close()
+
+    serial = serial[:-1] # remove EOL char
+    print "serial number: %s"%serial
+    serial = '+' + serial + '.0'
+
+    # Calculate number of minutes since 1/1/96
+    now_date = datetime.datetime.now()
+    ref_date = datetime.datetime(1996, 1, 1)
+    diff_date = now_date - ref_date
+    minutes = "%d"%int(diff_date.total_seconds()//60)
+    print "Mfg date/time: %s"%minutes
+
+    sys.exit()
+
+    xml_filename = "test19_eeprom_input.xml"
+    doc = libxml2.parseFile(xml_filename)
+    root = doc.getRootElement()
+    area = root.children
+
+    while area is not None:
+        if area.type == "element":
+            areaContent = area.children
+            while areaContent is not None:
+                if areaContent.type == "element":
+                    if areaContent.prop('name') == "Board_serial_number":
+                        areaContent.setProp('content', serial)
+                        print "Board serial number %s written to XML file"%serial
+                    if areaContent.prop('name') == "Mfg. Date/Time":
+                        areaContent.setProp('content', minutes)
+                        print "Mfg date/time %s written to XML file"%minutes
+                areaContent=areaContent.next
+        area=area.next
+
+    f = open(xml_filename, 'w')
+    doc.saveTo(f)
+    f.close
+
+    ############################################################################
+    # Format FMC EEPROM data
+    ############################################################################
+    print "Formatting FMC EEPROM data"
+    os.system("python fmc_eeprom_gen.py -i test19_eeprom_input.xml -o test19_formatted_data.txt -r test19_corr_data.txt")
+
+    ############################################################################
+    # Write data to FMC EEPROM
+    ############################################################################
+    in_filename = "test19_formatted_data.txt"
+    eeprom_content = []
+    eeprom_addr = []
+    f_in = open(in_filename,"r+")
+    for line in f_in:
+        addr,data=line.split()
+        eeprom_content.append(int(data,2))
+        eeprom_addr.append(int(addr,2))
+    if len(eeprom_content) == 0:
+        print "[ERROR] Formatted data file is empty"
+    else:
+        byte_to_write = len(eeprom_content)
+        addr = 0
+        while byte_to_write:
+            if byte_to_write > 32:
+                size = 32
+            else:
+                size = byte_to_write
+            fmc.sys_i2c_eeprom_write(addr,eeprom_content[addr:(addr+size)])
+            byte_to_write -= size
+            addr += size
+            time.sleep(0.01) # have to wait between writes otherwise the eeprom gives NACK on the i2c bus
+        print "Data written to FMC EEPROM"
+    f_in.close()
+
+    ############################################################################
+    # Verify EEPROM data
+    ############################################################################
+    time.sleep(0.1)
+    if len(eeprom_content) != 0:
+        eeprom_content_read = fmc.sys_i2c_eeprom_read(0,len(eeprom_content))
+        error = 0
+        for i in range(len(eeprom_content)):
+            if eeprom_content[i] != eeprom_content_read[i]:
+                print "[ERROR] eeprom data corruption @ addr:%d expect:0x%.2X read:0x%.2X"%(i, eeprom_content[i], eeprom_content_read[i])
+                error += 1
+        if error == 0:
+            print "Data verification OK!"
+
+
+
+if __name__ == '__main__' :
+    main()
--- a/test/fmcadc100m14b4cha/python/test19_eeprom_input.xml
+++ b/test/fmcadc100m14b4cha/python/test19_eeprom_input.xml