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Mark command as unsupported when it is negative two times in a row

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This commit is contained in:
Marianpol 2021-05-04 09:49:28 +02:00
parent 24c54cf817
commit 57e7e89685
1 changed files with 18 additions and 9 deletions
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27
pyren/mod_elm.py
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@ -987,6 +987,22 @@ class ELM:
if not mod_globals.opt_demo and req in self.rsp_cache.keys():
del self.rsp_cache[req]
def checkIfCommandUnsupported(self, req, res):
if "NR" in res:
nr = res.split (':')[1]
if nr in ['12']:
if mod_globals.opt_csv_only: # all unsupported commands must be removed immediately in csv_only mode
self.notSupportedCommands[req] = res
else:
if req in self.tmpNotSupportedCommands.keys():
del self.tmpNotSupportedCommands[req]
self.notSupportedCommands[req] = res
else:
self.tmpNotSupportedCommands[req] = res
else:
if req in self.tmpNotSupportedCommands.keys(): # if previous response was negative and now it is positive
del self.tmpNotSupportedCommands[req] # remove it from negative commands queue, because of false negative
def request(self, req, positive='', cache=True, serviceDelay="0"):
""" Check if request is saved in L2 cache.
If not then
@ -1103,6 +1119,8 @@ class ELM:
self.lastCMDtime = tc = time.time ()
cmdrsp = self.send_cmd (command)
self.checkIfCommandUnsupported(command, cmdrsp) # check if response for this command is NR:12
# if command[0:2] not in AllowedList:
# break
@ -1113,15 +1131,6 @@ class ELM:
nr = line[6:8]
if line.startswith ("NR"):
nr = line.split (':')[1]
if nr in ['12']: # mark this request as unsupported only if previous response was also negative
if mod_globals.opt_csv_only: # all unsupported commands must be removed immediately in csv_only mode
self.notSupportedCommands[command] = cmdrsp
else:
if command in self.tmpNotSupportedCommands.keys():
del self.tmpNotSupportedCommands[command]
self.notSupportedCommands[command] = cmdrsp
else:
self.tmpNotSupportedCommands[command] = cmdrsp
if nr in ['21', '23']: # it is look like the ECU asked us to wait a bit
time.sleep (0.5)
no_negative_wait_response = False