fmceeprom - FMC DIO 10i8o base from example script

a02bc9ec · Pieter Van Trappen · 8c6bc063 · a02bc9ec
Commit a02bc9ec authored Jul 18, 2022 by Pieter Van Trappen
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fmc_eeprom_fmc-dio-10i8o.py common/fmceeprom/fmc_eeprom_fmc-dio-10i8o.py +137 -0

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--- a/common/fmceeprom/fmc_eeprom_fmc-dio-10i8o.py
+++ b/common/fmceeprom/fmc_eeprom_fmc-dio-10i8o.py
+#!   /usr/bin/env   python3
+#    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 datetime
+import os
+
+from fmc_eeprom import *
+
+
+"""
+Tests IPMI formatting library.
+
+"""
+
+def main (default_directory='.'):
+
+    # Constants declaration
+    PART_NUMBER = "EDA-02063-V5-0"
+    SERIAL = "HCCFFIA___-CR000003"
+    EEPROM_BIN_FILENAME = "eeprom_content.out"
+    EEPROM_BIN_FILENAME = os.path.join(default_directory, EEPROM_BIN_FILENAME)
+    EEPROM_SIZE = 8192 # in Bytes
+
+
+    #==================================================
+    # Serial number
+    serial = SERIAL
+    print("Board's serial number: %s\n" % serial)
+
+    #==================================================
+    # Calculate number of minutes since 0:00 1/1/96
+    now_date = datetime.datetime.now()
+    ref_date = datetime.datetime(1996, 1, 1)
+    diff_date = now_date - ref_date
+    total_seconds = diff_date.days * 86400 + diff_date.seconds
+    current_date = int(total_seconds//60)
+    print("Current date/time: %d minutes (since 0:00 1/1/96)\n" % current_date)
+
+    # Manufacturiing date = current date
+    print("Manufacturing date : %d 0x%06X" % (current_date, current_date))
+    mfg_date = current_date
+
+    #==================================================
+    # Create Board Info Area
+    # FRU field is used to store the date of generation of the eeprom content
+    # This could be used later to determine if the content has to be udated (bug fix, ...)
+    print("EEPROM content generated: %s\n" % now_date)
+    fru = "%s" % now_date
+    bia = BoardInfoArea(mfg_date, "CERN", "FmcAdc100m14b4cha", serial, PART_NUMBER, fru)
+
+    #==================================================
+    # Multirecords Area
+
+    # output number, vnom, vmin, vmax, ripple, imin, imax
+    dcload0 = DCLoadRecord(0, 2.5, 2.375, 2.625, 0.0, 0, 4000) # VADJ
+    dcload1 = DCLoadRecord(1, 3.3, 3.135, 3.465, 0.0, 0, 3000) # P3V3
+    dcload2 = DCLoadRecord(2, 12.0, 11.4, 12.6, 0.0, 0, 1000)  # P12V
+    dcload = [ dcload0, dcload1, dcload2 ]
+
+    # output number, vnom, vmin, vmax, ripple, imin, imax
+    dcout0 = DCOutputRecord(3, 0.0, 0.0, 0.0, 0.0, 0, 0) # VIO_B_M2C
+    dcout1 = DCOutputRecord(4, 0.0, 0.0, 0.0, 0.0, 0, 0) # VREF_A_M2C
+    dcout2 = DCOutputRecord(5, 0.0, 0.0, 0.0, 0.0, 0, 0) # VREF_B_M2C
+    dcout = [ dcout0, dcout1, dcout2 ]
+
+    # module size  : 0=single width, 1=double width
+    # P1 size      : 0=LPC, 1=HPC
+    # P2 size      : 0=LPC, 1=HPC, 3=not fitted
+    # clock dir    : 0=M2C, 1=C2M
+    # nb sig P1 A  : number
+    # nb sig P1 B  : number
+    # nb sig P2 A  : number
+    # nb sig P2 B  : number
+    # nb GBT P1    : number
+    # nb GBT P2    : number
+    # max TCK freq : frequency in MHz
+    oem = OEMRecord(0, 1, 3, 1, 68, 0, 0, 0, 0, 0, 0)
+
+    #==================================================
+    # Internal Use Area
+    # Takes an array of byte as parameter
+    iua_data = [0x1,0x2,0x3,0x4]
+    iua = InternalUseArea(iua_data)
+
+    #==================================================
+    # Write eeprom content to a binary file
+    ipmi_open_file(EEPROM_BIN_FILENAME)
+    #ipmi_set(bia, dcload, dcout, oem, iua)
+    ipmi_set(bia, dcload, dcout, oem)
+    ipmi_write()
+    ipmi_close_file()
+
+    #==================================================
+    # Read eeprom content from binary file
+    f_eeprom = open(EEPROM_BIN_FILENAME, "rb")
+    eeprom_data = []
+    byte = f_eeprom.read(1) # reads one byte
+    while byte:
+        eeprom_data.append(ord(byte))
+        byte = f_eeprom.read(1) # reads one byte
+    f_eeprom.close()
+
+    print("Raw EEPROM data:")
+    i = 0
+    for data in eeprom_data:
+        if i%8 == 0:
+            print("0x%02X (%3d) : %02X" % (i, i, data), end=' ')
+        else:
+            print("%02X" % (data), end=' ')
+        i += 1
+        if i%8 == 0:
+            print("")
+
+    print("\n")
+
+    dsum = 0
+    for data in eeprom_data[158:162]:
+        dsum += data
+        print(("0x%02X  0x%X" % (data, dsum)))
+    print(("\n\nsum: 0x%02X" % dsum))
+    checksum = (0xff & (1 + ~dsum))
+    print(("calculated checksum: 0x%02X" % checksum))
+    print(("data checksum      : 0x%02X" % eeprom_data[162]))
+    print("")
+    print(("check data: 0x%02X" % (dsum + eeprom_data[162])))
+    print(("check data: 0x%02X" % (dsum + checksum)))
+
+
+if __name__ == '__main__' :
+    main()