test23: add write, read, compare eeprom content.

dd9c4f1c · Matthieu Cattin · 3fd85a76 · dd9c4f1c
Commit dd9c4f1c authored May 22, 2012 by Matthieu Cattin
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Showing with 44 additions and 4 deletions

test23.py test/fmcadc100m14b4cha/python/test23.py +44 -4

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--- a/test/fmcadc100m14b4cha/python/test23.py
+++ b/test/fmcadc100m14b4cha/python/test23.py
@@ -44,6 +44,7 @@ def main (default_directory='.'):
    SERIAL_FILENAME = os.path.join(default_directory, SERIAL_FILENAME)
    CALIBR_FILENAME = "calibration_data.txt"
    CALIBR_FILENAME = os.path.join(default_directory, CALIBR_FILENAME)
+    EEPROM_BIN_FILENAME = "eeprom_content.out"



@@ -103,6 +104,14 @@ def main (default_directory='.'):

        #==================================================
        # Create Board Info Area
+
+        ################################################################################
+        # CHECK IF A MANUFACTURING DATE IS PRESENT IN THE EEPROM.
+        # IF NOT, PUT THE CURRENT DATE (IT MEANS IT'S THE FIRST TIME THE TEST IS RUN).
+        # IF A DATE IS PRESENT, KEEP IT.
+
+        # 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, ...)
        bia = BoardInfoArea(minutes, "CERN", "FmcAdc100m14b4cha", serial, "part number", "fru")

        #==================================================
@@ -139,14 +148,45 @@ def main (default_directory='.'):
        iua = InternalUseArea(calibr_data)

        #==================================================
-        # Open, set, write, close!
-        ipmi_open_file("eeprom_content.out")
+        # Write eeprom content to a binary file
+        ipmi_open_file(EEPROM_BIN_FILENAME)
        ipmi_set(bia, dcload, dcout, oem, iua)
        ipmi_write()
        ipmi_close_file()

-    except:
-        raise PtsError("test failed: " % e)
+        #==================================================
+        # 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:"
+        #for data in eeprom_data:
+        #    print "0x%02X" % (data)
+
+        #==================================================
+        # Write content to EEPROM via I2C
+        fmc.sys_i2c_eeprom_write(eeprom_data)
+
+        #==================================================
+        # Read back EEPROM content via I2C
+        eeprom_data_read = fmc.sys_i2c_eeprom_read(0, len(eeprom_data))
+        print "EEPROM content comparision"
+        for i in range(len(eeprom_data)):
+            wr_data = eeprom_data[i]
+            rd_data = eeprom_data_read[i]
+            if wr_data == rd_data:
+                check = "OK"
+            else:
+                check = "FAILED"
+            print "0x%02X 0x%02X => %s" % (wr_data, rd_data, check)
+
+    except FmcAdc100mOperationError as e:
+        raise PtsError("test failed: %s" % e)

    ###########################################################################