clrerr.py: Script for clearing ERR register

c1ff389d · Projects · 8a8b58fc · c1ff389d
Commit c1ff389d authored Feb 02, 2017 by Projects
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clrerr.py software/diag/clrerr.py +92 -0

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--- a/software/diag/clrerr.py
+++ b/software/diag/clrerr.py
+#!/usr/bin/python
+#===============================================================================
+# CERN (BE-CO-HT)
+# Clear bits in the error register
+#===============================================================================
+# author: Theodor Stana (t.stana@cern.ch)
+#         Maciej Suminski (maciej.suminski@cern.ch)
+#
+# date of creation: 2014-05-02
+#
+# version: 1.1
+#
+# description:
+#   Set the converter board errors register, typically for clearing set error
+#   bits. Note that typically to clear an error, one has to set it to logical
+#   one.
+#
+# dependencies:
+#   ../ei2c/ei2c.py
+#   ../ei2c/ei2cdefine.py
+#
+#===============================================================================
+# GNU LESSER GENERAL PUBLIC LICENSE
+#===============================================================================
+# This source file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by the
+# Free Software Foundation; either version 2.1 of the License, or (at your
+# option) any later version. This source is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Lesser General Public License for more details. You should have
+# received a copy of the GNU Lesser General Public License along with this
+# source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
+#===============================================================================
+# last changes:
+#    2014-05-02    Theodor Stana     File created
+#    2017-02-02    M. Suminski       Updated mem map to match v4 gateware,
+#                                    renamed from setsr.py to seterr.py
+#===============================================================================
+#  TODO: -
+#===============================================================================
+
+
+import sys
+sys.path.append("../ei2c")
+from ei2c import *
+import ei2cdefine
+sys.path.append("..")
+import convttl_regs as regs
+
+
+if __name__ == "__main__":
+
+    # Get the IP, user and password for the ELMA crate from either user input,
+    # or ei2cdefine.py
+    if (ei2cdefine.ENABLED):
+        ip   = ei2cdefine.HNAME
+        user = ei2cdefine.USER
+        pwd  = ei2cdefine.PWD
+    else:
+        ip   = raw_input("ELMA crate IP or hostname : ")
+        user = raw_input("ELMA crate user name      : ")
+        pwd  = raw_input("ELMA crate password       : ")
+    testelma = EI2C(ip, user, pwd)
+    testelma.open()
+
+    # Ask for slot number
+    while 1:
+        try:
+            slot = raw_input("Slot no.: ")
+            slot = int(slot)
+            break
+        except TypeError as e:
+            print("Please input a decimal slot number.")
+        except SlotError as e:
+            print(e.strerror)
+        except KeyboardInterrupt:
+            sys.exit();
+        except:
+            print("Unexpected error: ", sys.exc_info()[0])
+
+    # Print which board is detected in the selected slot
+    bid = testelma.get_bid(slot)
+
+    # Get error register value, set and re-print
+    v = testelma.read(slot, regs.ERR)
+    print("ERR (pre-set)  : 0x%08x" % v)
+    testelma.write(slot, regs.ERR, v)
+    v = testelma.read(slot, regs.ERR)
+    print("ERR (post-set) : 0x%08x" % v)
+
+    testelma.close()