Adding hardtherm.py script, which accesses a hardware-implemented one-wire master module

9c367c7f · Theodor-Adrian Stana · a7f5f242 · 9c367c7f
Commit 9c367c7f authored Feb 24, 2015 by Theodor-Adrian Stana
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hardtherm.py software/diag/hardtherm.py +83 -0

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--- a/software/diag/hardtherm.py
+++ b/software/diag/hardtherm.py
+#!/usr/bin/python
+#===============================================================================
+# CERN (BE-CO-HT)
+# Read CHxPCR registers on CONV-TTL-BLO
+#===============================================================================
+# author: Theodor Stana (t.stana@cern.ch)
+#
+# date of creation:
+#
+# version: 1.0
+#
+# description:
+#   This script is used to read the input channel counters on the CONV-TTL-BLO
+#   board.
+#
+#===============================================================================
+# 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:
+#===============================================================================
+#  TODO: - 
+#===============================================================================
+import time
+import sys
+import time
+sys.path.append("../ei2c")
+from ei2c import *
+import ei2cdefine
+
+
+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)
+
+    # Print channel counter values, close and exit
+    temp = testelma.read(slot, 0x90)
+    if(temp & 0x1000):
+        temp = -0x10000 + temp
+    temp /= 16.0
+    uid = (testelma.read(slot, 0x98) << 32) | testelma.read(slot, 0x94)
+    print("temp : %.3f" % temp)
+    print("uid  : 0x%016X" % uid)
+    testelma.close()
+