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Commit fc2fe06c authored by Theodor-Adrian Stana's avatar Theodor-Adrian Stana
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sw: Updated ei2c.py to account for Telnet ping messages in ELMA crates

parent ac123760
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Showing with 44 additions and 28 deletions
software/ei2c/ei2c.py
View file @ fc2fe06c
......@@ -31,6 +31,8 @@
#===============================================================================
# last changes:
# 2013-08-13 Theodor Stana t.stana@cern.ch File created
# 2014-10-29 Theodor Stana t.stana@cern.ch Accounting for Telnet
# echoes
#===============================================================================
# TODO: -
#===============================================================================
......@@ -107,7 +109,9 @@ class EI2C:
if (ei2cdefine.DUMP):
self.f.write(cmd);
self.handle.send(cmd)
self._strip_resp(self.handle.recv(30))
resp = "ERROR"
while ("ERROR" in resp):
resp = self._strip_resp(self.handle.recv(30))
def read(self, slot, addr):
self.read_cnt += 1
......@@ -118,8 +122,10 @@ class EI2C:
if (ei2cdefine.DUMP):
self.f.write(cmd);
self.handle.send(cmd)
resp = self._strip_resp(self.handle.recv(30))
return resp
resp = "ERROR"
while ("ERROR" in resp):
resp = self._strip_resp(self.handle.recv(30))
return int(resp, 16)
def writemregs(self, slot, addr, val):
self.write_cnt += 1
......@@ -131,7 +137,9 @@ class EI2C:
self.f.write(cmd);
#print cmd
self.handle.send(cmd)
self._strip_resp(self.handle.recv(30))
resp = "ERROR"
while ("ERROR" in resp):
resp = self._strip_resp(self.handle.recv(30))
def readmregs(self, slot, addr, nrregs):
self.read_cnt += 1
......@@ -142,42 +150,50 @@ class EI2C:
if (ei2cdefine.DUMP):
self.f.write(cmd);
self.handle.send(cmd)
resp = self._strip_resp(self.handle.recv(30))
resp = "ERROR"
while ("ERROR" in resp):
resp = self._strip_resp(self.handle.recv(30))
return resp
def get_ver(self):
return self.ver
return self.ver
def _strip_resp(self, msg):
"""Strip useful message from SysMon response.
"""Strip useful message from SysMon response.
The response string from the SysMon is stripped of unnecessary characters
and a "useful" string is returned. In case one of the error messages appear,
the function raises one of the EI2C exceptions."""
The response string from the SysMon is stripped of unnecessary characters
and a "useful" string is returned. In case one of the error messages appear,
the function raises one of the EI2C exceptions."""
#print msg.splitlines()
msg = msg.splitlines()[1]
if (ei2cdefine.DUMP):
self.f.write(msg + "\n")
while (1):
try:
#print msg.splitlines()
msg = msg.splitlines()[1]
if (ei2cdefine.DUMP):
self.f.write(msg + "\n")
break
except IndexError:
if (ei2cdefine.DUMP):
self.f.write("ERROR\n")
return "ERROR"
if "Not Ack" in msg:
raise NAckError
if "Not Ack" in msg:
raise NAckError
if "Invalid register number!" in msg:
raise RegNumberError
if "Invalid register number!" in msg:
raise RegNumberError
if "Bad command!" in msg:
raise InvalidCmdError
if "Bad command!" in msg:
raise InvalidCmdError
if "I2C Timer expired" in msg:
raise TimerExpiredError
if "I2C Timer expired" in msg:
raise TimerExpiredError
if "Invalid slot number!" in msg:
raise SlotError
if "Invalid slot number!" in msg:
raise SlotError
if "Read Data:" in msg:
msg = msg.split(" ")[3]
msg = int(msg,16)
if "Read Data:" in msg:
msg = msg.split(" ")[3]
return msg
return msg
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